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openjpeg/src/lib/openjp2/j2k.c

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/*
* The copyright in this software is being made available under the 2-clauses
* BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux
* Copyright (c) 2003-2014, Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
* Copyright (c) 2006-2007, Parvatha Elangovan
* Copyright (c) 2010-2011, Kaori Hagihara
* Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
* Copyright (c) 2012, CS Systemes d'Information, France
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "opj_includes.h"
/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
/*@{*/
/** @name Local static functions */
/*@{*/
#define OPJ_UNUSED(x) (void)x
/**
* Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
*/
static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager);
/**
* The read header procedure.
*/
static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* The default encoding validation procedure without any extension.
*
* @param p_j2k the jpeg2000 codec to validate.
* @param p_stream the input stream to validate.
* @param p_manager the user event manager.
*
* @return true if the parameters are correct.
*/
static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* The default decoding validation procedure without any extension.
*
* @param p_j2k the jpeg2000 codec to validate.
* @param p_stream the input stream to validate.
* @param p_manager the user event manager.
*
* @return true if the parameters are correct.
*/
static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
* are valid. Developpers wanting to extend the library can add their own validation procedures.
*/
static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager);
/**
* Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
* are valid. Developpers wanting to extend the library can add their own validation procedures.
*/
static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager);
/**
* Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
* are valid. Developpers wanting to extend the library can add their own validation procedures.
*/
static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager);
/**
* The mct encoding validation procedure.
*
* @param p_j2k the jpeg2000 codec to validate.
* @param p_stream the input stream to validate.
* @param p_manager the user event manager.
*
* @return true if the parameters are correct.
*/
static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Builds the tcd decoder to use to decode tile.
*/
static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Builds the tcd encoder to use to encode tile.
*/
static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Creates a tile-coder decoder.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Excutes the given procedures on the given codec.
*
* @param p_procedure_list the list of procedures to execute
* @param p_j2k the jpeg2000 codec to execute the procedures on.
* @param p_stream the stream to execute the procedures on.
* @param p_manager the user manager.
*
* @return true if all the procedures were successfully executed.
*/
static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
opj_procedure_list_t * p_procedure_list,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Updates the rates of the tcp.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Copies the decoding tile parameters onto all the tile parameters.
* Creates also the tile decoder.
*/
static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Destroys the memory associated with the decoding of headers.
*/
static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads the lookup table containing all the marker, status and action, and returns the handler associated
* with the marker value.
* @param p_id Marker value to look up
*
* @return the handler associated with the id.
*/
static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler(
OPJ_UINT32 p_id);
/**
* Destroys a tile coding parameter structure.
*
* @param p_tcp the tile coding parameter to destroy.
*/
static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp);
/**
* Destroys the data inside a tile coding parameter structure.
*
* @param p_tcp the tile coding parameter which contain data to destroy.
*/
static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp);
/**
* Destroys a coding parameter structure.
*
* @param p_cp the coding parameter to destroy.
*/
static void opj_j2k_cp_destroy(opj_cp_t *p_cp);
/**
* Compare 2 a SPCod/ SPCoc elements, i.e. the coding style of a given component of a tile.
*
* @param p_j2k J2K codec.
* @param p_tile_no Tile number
* @param p_first_comp_no The 1st component number to compare.
* @param p_second_comp_no The 1st component number to compare.
*
* @return OPJ_TRUE if SPCdod are equals.
*/
static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
/**
* Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
*
* @param p_j2k J2K codec.
* @param p_tile_no FIXME DOC
* @param p_comp_no the component number to output.
* @param p_data FIXME DOC
* @param p_header_size FIXME DOC
* @param p_manager the user event manager.
*
* @return FIXME DOC
*/
static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_header_size,
opj_event_mgr_t * p_manager);
/**
* Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
*
* @param p_j2k the J2K codec.
* @param p_tile_no the tile index.
* @param p_comp_no the component being outputted.
*
* @return the number of bytes taken by the SPCod element.
*/
static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no);
/**
* Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
* @param p_j2k the jpeg2000 codec.
* @param compno FIXME DOC
* @param p_header_data the data contained in the COM box.
* @param p_header_size the size of the data contained in the COM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
OPJ_UINT32 compno,
OPJ_BYTE * p_header_data,
OPJ_UINT32 * p_header_size,
opj_event_mgr_t * p_manager);
/**
* Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
*
* @param p_tile_no the tile index.
* @param p_comp_no the component being outputted.
* @param p_j2k the J2K codec.
*
* @return the number of bytes taken by the SPCod element.
*/
static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no);
/**
* Compares 2 SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
*
* @param p_j2k J2K codec.
* @param p_tile_no the tile to output.
* @param p_first_comp_no the first component number to compare.
* @param p_second_comp_no the second component number to compare.
*
* @return OPJ_TRUE if equals.
*/
static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
/**
* Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
*
* @param p_tile_no the tile to output.
* @param p_comp_no the component number to output.
* @param p_data the data buffer.
* @param p_header_size pointer to the size of the data buffer, it is changed by the function.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*
*/
static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_header_size,
opj_event_mgr_t * p_manager);
/**
* Updates the Tile Length Marker.
*/
static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size);
/**
* Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
*
* @param p_j2k J2K codec.
* @param compno the component number to output.
* @param p_header_data the data buffer.
* @param p_header_size pointer to the size of the data buffer, it is changed by the function.
* @param p_manager the user event manager.
*
*/
static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
OPJ_UINT32 compno,
OPJ_BYTE * p_header_data,
OPJ_UINT32 * p_header_size,
opj_event_mgr_t * p_manager);
/**
* Copies the tile component parameters of all the component from the first tile component.
*
* @param p_j2k the J2k codec.
*/
static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k);
/**
* Copies the tile quantization parameters of all the component from the first tile component.
*
* @param p_j2k the J2k codec.
*/
static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
/**
* Reads the tiles.
*/
static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
OPJ_UINT32 p_tile_index,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data,
opj_image_t* p_output_image);
static void opj_get_tile_dimensions(opj_image_t * l_image,
opj_tcd_tilecomp_t * l_tilec,
opj_image_comp_t * l_img_comp,
OPJ_UINT32* l_size_comp,
OPJ_UINT32* l_width,
OPJ_UINT32* l_height,
OPJ_UINT32* l_offset_x,
OPJ_UINT32* l_offset_y,
OPJ_UINT32* l_image_width,
OPJ_UINT32* l_stride,
OPJ_UINT32* l_tile_offset);
static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Sets up the procedures to do on writing header.
* Developers wanting to extend the library can add their own writing procedures.
*/
static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager);
static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_total_data_size,
opj_stream_private_t *p_stream,
struct opj_event_mgr * p_manager);
static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_total_data_size,
opj_stream_private_t *p_stream,
struct opj_event_mgr * p_manager);
/**
* Gets the offset of the header.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k);
/*
* -----------------------------------------------------------------------
* -----------------------------------------------------------------------
* -----------------------------------------------------------------------
*/
/**
* Writes the SOC marker (Start Of Codestream)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a SOC marker (Start of Codestream)
* @param p_j2k the jpeg2000 file codec.
* @param p_stream XXX needs data
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes the SIZ marker (image and tile size)
*
* @param p_j2k J2K codec.
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a SIZ marker (image and tile size)
* @param p_j2k the jpeg2000 file codec.
* @param p_header_data the data contained in the SIZ box.
* @param p_header_size the size of the data contained in the SIZ marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the COM marker (comment)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a COM marker (comments)
* @param p_j2k the jpeg2000 file codec.
* @param p_header_data the data contained in the COM box.
* @param p_header_size the size of the data contained in the COM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the COD marker (Coding style default)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a COD marker (Coding Styke defaults)
* @param p_header_data the data contained in the COD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the COD marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Compares 2 COC markers (Coding style component)
*
* @param p_j2k J2K codec.
* @param p_first_comp_no the index of the first component to compare.
* @param p_second_comp_no the index of the second component to compare.
*
* @return OPJ_TRUE if equals
*/
static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
/**
* Writes the COC marker (Coding style component)
*
* @param p_j2k J2K codec.
* @param p_comp_no the index of the component to output.
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes the COC marker (Coding style component)
*
* @param p_j2k J2K codec.
* @param p_comp_no the index of the component to output.
* @param p_data FIXME DOC
* @param p_data_written FIXME DOC
* @param p_manager the user event manager.
*/
static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
opj_event_mgr_t * p_manager);
/**
* Gets the maximum size taken by a coc.
*
* @param p_j2k the jpeg2000 codec to use.
*/
static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k);
/**
* Reads a COC marker (Coding Style Component)
* @param p_header_data the data contained in the COC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the COC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the QCD marker (quantization default)
*
* @param p_j2k J2K codec.
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a QCD marker (Quantization defaults)
* @param p_header_data the data contained in the QCD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the QCD marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Compare QCC markers (quantization component)
*
* @param p_j2k J2K codec.
* @param p_first_comp_no the index of the first component to compare.
* @param p_second_comp_no the index of the second component to compare.
*
* @return OPJ_TRUE if equals.
*/
static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
/**
* Writes the QCC marker (quantization component)
*
* @param p_comp_no the index of the component to output.
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes the QCC marker (quantization component)
*
* @param p_j2k J2K codec.
* @param p_comp_no the index of the component to output.
* @param p_data FIXME DOC
* @param p_data_written the stream to write data to.
* @param p_manager the user event manager.
*/
static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
opj_event_mgr_t * p_manager);
/**
* Gets the maximum size taken by a qcc.
*/
static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k);
/**
* Reads a QCC marker (Quantization component)
* @param p_header_data the data contained in the QCC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the QCC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the POC marker (Progression Order Change)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes the POC marker (Progression Order Change)
*
* @param p_j2k J2K codec.
* @param p_data FIXME DOC
* @param p_data_written the stream to write data to.
* @param p_manager the user event manager.
*/
static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
opj_event_mgr_t * p_manager);
/**
* Gets the maximum size taken by the writing of a POC.
*/
static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k);
/**
* Reads a POC marker (Progression Order Change)
*
* @param p_header_data the data contained in the POC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
*/
static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k);
/**
* Gets the maximum size taken by the headers of the SOT.
*
* @param p_j2k the jpeg2000 codec to use.
*/
static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);
/**
* Reads a CRG marker (Component registration)
*
* @param p_header_data the data contained in the TLM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the TLM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Reads a TLM marker (Tile Length Marker)
*
* @param p_header_data the data contained in the TLM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the TLM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the updated tlm.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a PLM marker (Packet length, main header marker)
*
* @param p_header_data the data contained in the TLM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the TLM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Reads a PLT marker (Packet length, tile-part header)
*
* @param p_header_data the data contained in the PLT box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the PLT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Reads a PPM marker (Packed headers, main header)
*
* @param p_header_data the data contained in the POC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_ppm(
opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Merges all PPM markers read (Packed headers, main header)
*
* @param p_cp main coding parameters.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager);
/**
* Reads a PPT marker (Packed packet headers, tile-part header)
*
* @param p_header_data the data contained in the PPT box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the PPT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Merges all PPT markers read (Packed headers, tile-part header)
*
* @param p_tcp the tile.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp,
opj_event_mgr_t * p_manager);
/**
* Writes the TLM marker (Tile Length Marker)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes the SOT marker (Start of tile-part)
*
* @param p_j2k J2K codec.
* @param p_data FIXME DOC
* @param p_data_written FIXME DOC
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
const opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads values from a SOT marker (Start of tile-part)
*
* the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
*
* @param p_header_data the data contained in the SOT marker.
* @param p_header_size the size of the data contained in the SOT marker.
* @param p_tile_no Isot.
* @param p_tot_len Psot.
* @param p_current_part TPsot.
* @param p_num_parts TNsot.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
OPJ_UINT32* p_tile_no,
OPJ_UINT32* p_tot_len,
OPJ_UINT32* p_current_part,
OPJ_UINT32* p_num_parts,
opj_event_mgr_t * p_manager);
/**
* Reads a SOT marker (Start of tile-part)
*
* @param p_header_data the data contained in the SOT marker.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the PPT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the SOD marker (Start of data)
*
* @param p_j2k J2K codec.
* @param p_tile_coder FIXME DOC
* @param p_data FIXME DOC
* @param p_data_written FIXME DOC
* @param p_total_data_size FIXME DOC
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
opj_tcd_t * p_tile_coder,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_total_data_size,
const opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a SOD marker (Start Of Data)
*
* @param p_j2k the jpeg2000 codec.
* @param p_stream FIXME DOC
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
{
opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
p_j2k->m_current_tile_number, 1); /* PSOT */
++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
p_tile_part_size, 4); /* PSOT */
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
}
/**
* Writes the RGN marker (Region Of Interest)
*
* @param p_tile_no the tile to output
* @param p_comp_no the component to output
* @param nb_comps the number of components
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
OPJ_UINT32 nb_comps,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a RGN marker (Region Of Interest)
*
* @param p_header_data the data contained in the POC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the EOC marker (End of Codestream)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
#if 0
/**
* Reads a EOC marker (End Of Codestream)
*
* @param p_j2k the jpeg2000 codec.
* @param p_stream FIXME DOC
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
#endif
/**
* Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Inits the Info
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
Add main header marker information
@param cstr_index Codestream information structure
@param type marker type
@param pos byte offset of marker segment
@param len length of marker segment
*/
static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
/**
Add tile header marker information
@param tileno tile index number
@param cstr_index Codestream information structure
@param type marker type
@param pos byte offset of marker segment
@param len length of marker segment
*/
static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
OPJ_UINT32 len);
/**
* Reads an unknown marker
*
* @param p_j2k the jpeg2000 codec.
* @param p_stream the stream object to read from.
* @param output_marker FIXME DOC
* @param p_manager the user event manager.
*
* @return true if the marker could be deduced.
*/
static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
OPJ_UINT32 *output_marker,
opj_event_mgr_t * p_manager);
/**
* Writes the MCT marker (Multiple Component Transform)
*
* @param p_j2k J2K codec.
* @param p_mct_record FIXME DOC
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
opj_mct_data_t * p_mct_record,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a MCT marker (Multiple Component Transform)
*
* @param p_header_data the data contained in the MCT box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the MCT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the MCC marker (Multiple Component Collection)
*
* @param p_j2k J2K codec.
* @param p_mcc_record FIXME DOC
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
opj_simple_mcc_decorrelation_data_t * p_mcc_record,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a MCC marker (Multiple Component Collection)
*
* @param p_header_data the data contained in the MCC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the MCC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the MCO marker (Multiple component transformation ordering)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a MCO marker (Multiple Component Transform Ordering)
*
* @param p_header_data the data contained in the MCO box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the MCO marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
OPJ_UINT32 p_index);
static void opj_j2k_read_int16_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_int32_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_float32_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_float64_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_int16_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_int32_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_float32_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_read_float64_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_write_float_to_int16(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_write_float_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_write_float_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static void opj_j2k_write_float_to_float64(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
/**
* Ends the encoding, i.e. frees memory.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes the CBD marker (Component bit depth definition)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Reads a CBD marker (Component bit depth definition)
* @param p_header_data the data contained in the CBD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the CBD marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes COC marker for each component.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes QCC marker for each component.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes regions of interests.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Writes EPC ????
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager);
/**
* Checks the progression order changes values. Tells of the poc given as input are valid.
* A nice message is outputted at errors.
*
* @param p_pocs the progression order changes.
* @param p_nb_pocs the number of progression order changes.
* @param p_nb_resolutions the number of resolutions.
* @param numcomps the number of components
* @param numlayers the number of layers.
* @param p_manager the user event manager.
*
* @return true if the pocs are valid.
*/
static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
OPJ_UINT32 p_nb_pocs,
OPJ_UINT32 p_nb_resolutions,
OPJ_UINT32 numcomps,
OPJ_UINT32 numlayers,
opj_event_mgr_t * p_manager);
/**
* Gets the number of tile parts used for the given change of progression (if any) and the given tile.
*
* @param cp the coding parameters.
* @param pino the offset of the given poc (i.e. its position in the coding parameter).
* @param tileno the given tile.
*
* @return the number of tile parts.
*/
static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
OPJ_UINT32 tileno);
/**
* Calculates the total number of tile parts needed by the encoder to
* encode such an image. If not enough memory is available, then the function return false.
*
* @param p_nb_tiles pointer that will hold the number of tile parts.
* @param cp the coding parameters for the image.
* @param image the image to encode.
* @param p_j2k the p_j2k encoder.
* @param p_manager the user event manager.
*
* @return true if the function was successful, false else.
*/
static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
opj_cp_t *cp,
OPJ_UINT32 * p_nb_tiles,
opj_image_t *image,
opj_event_mgr_t * p_manager);
static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
opj_image_t *image, opj_event_mgr_t *p_manager);
static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
opj_event_mgr_t *p_manager);
/**
* Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
*
* @param p_stream the stream to read data from.
* @param tile_no tile number we're looking for.
* @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
* @param p_manager the user event manager.
*
* @return true if the function was successful, false else.
*/
static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
*p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
opj_event_mgr_t * p_manager);
/*@}*/
/*@}*/
/* ----------------------------------------------------------------------- */
typedef struct j2k_prog_order {
OPJ_PROG_ORDER enum_prog;
char str_prog[5];
} j2k_prog_order_t;
static j2k_prog_order_t j2k_prog_order_list[] = {
{OPJ_CPRL, "CPRL"},
{OPJ_LRCP, "LRCP"},
{OPJ_PCRL, "PCRL"},
{OPJ_RLCP, "RLCP"},
{OPJ_RPCL, "RPCL"},
{(OPJ_PROG_ORDER) - 1, ""}
};
/**
* FIXME DOC
*/
static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
2,
4,
4,
8
};
typedef void (* opj_j2k_mct_function)(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem);
static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
opj_j2k_read_int16_to_float,
opj_j2k_read_int32_to_float,
opj_j2k_read_float32_to_float,
opj_j2k_read_float64_to_float
};
static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
opj_j2k_read_int16_to_int32,
opj_j2k_read_int32_to_int32,
opj_j2k_read_float32_to_int32,
opj_j2k_read_float64_to_int32
};
static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
opj_j2k_write_float_to_int16,
opj_j2k_write_float_to_int32,
opj_j2k_write_float_to_float,
opj_j2k_write_float_to_float64
};
typedef struct opj_dec_memory_marker_handler {
/** marker value */
OPJ_UINT32 id;
/** value of the state when the marker can appear */
OPJ_UINT32 states;
/** action linked to the marker */
OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
}
opj_dec_memory_marker_handler_t;
static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
{
{J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
{J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
{J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
{J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
{J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
{J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
{J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
{J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
{J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
{J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
{J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
{J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
{J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
{J2K_MS_SOP, 0, 0},
{J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
{J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
{J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
{J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
{J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
{J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
#ifdef USE_JPWL
#ifdef TODO_MS /* remove these functions which are not commpatible with the v2 API */
{J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
{J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
{J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
{J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
#endif
#endif /* USE_JPWL */
#ifdef USE_JPSEC
{J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
{J2K_MS_INSEC, 0, j2k_read_insec}
#endif /* USE_JPSEC */
{J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
};
static void opj_j2k_read_int16_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_UINT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_bytes(l_src_data, &l_temp, 2);
l_src_data += sizeof(OPJ_INT16);
*(l_dest_data++) = (OPJ_FLOAT32) l_temp;
}
}
static void opj_j2k_read_int32_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_UINT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_bytes(l_src_data, &l_temp, 4);
l_src_data += sizeof(OPJ_INT32);
*(l_dest_data++) = (OPJ_FLOAT32) l_temp;
}
}
static void opj_j2k_read_float32_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_FLOAT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_float(l_src_data, &l_temp);
l_src_data += sizeof(OPJ_FLOAT32);
*(l_dest_data++) = l_temp;
}
}
static void opj_j2k_read_float64_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_FLOAT64 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_double(l_src_data, &l_temp);
l_src_data += sizeof(OPJ_FLOAT64);
*(l_dest_data++) = (OPJ_FLOAT32) l_temp;
}
}
static void opj_j2k_read_int16_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_UINT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_bytes(l_src_data, &l_temp, 2);
l_src_data += sizeof(OPJ_INT16);
*(l_dest_data++) = (OPJ_INT32) l_temp;
}
}
static void opj_j2k_read_int32_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_UINT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_bytes(l_src_data, &l_temp, 4);
l_src_data += sizeof(OPJ_INT32);
*(l_dest_data++) = (OPJ_INT32) l_temp;
}
}
static void opj_j2k_read_float32_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_FLOAT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_float(l_src_data, &l_temp);
l_src_data += sizeof(OPJ_FLOAT32);
*(l_dest_data++) = (OPJ_INT32) l_temp;
}
}
static void opj_j2k_read_float64_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
OPJ_UINT32 i;
OPJ_FLOAT64 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
opj_read_double(l_src_data, &l_temp);
l_src_data += sizeof(OPJ_FLOAT64);
*(l_dest_data++) = (OPJ_INT32) l_temp;
}
}
static void opj_j2k_write_float_to_int16(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
OPJ_UINT32 i;
OPJ_UINT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
l_temp = (OPJ_UINT32) * (l_src_data++);
opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT16));
l_dest_data += sizeof(OPJ_INT16);
}
}
static void opj_j2k_write_float_to_int32(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
OPJ_UINT32 i;
OPJ_UINT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
l_temp = (OPJ_UINT32) * (l_src_data++);
opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT32));
l_dest_data += sizeof(OPJ_INT32);
}
}
static void opj_j2k_write_float_to_float(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
OPJ_UINT32 i;
OPJ_FLOAT32 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
l_temp = (OPJ_FLOAT32) * (l_src_data++);
opj_write_float(l_dest_data, l_temp);
l_dest_data += sizeof(OPJ_FLOAT32);
}
}
static void opj_j2k_write_float_to_float64(const void * p_src_data,
void * p_dest_data, OPJ_UINT32 p_nb_elem)
{
OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
OPJ_UINT32 i;
OPJ_FLOAT64 l_temp;
for (i = 0; i < p_nb_elem; ++i) {
l_temp = (OPJ_FLOAT64) * (l_src_data++);
opj_write_double(l_dest_data, l_temp);
l_dest_data += sizeof(OPJ_FLOAT64);
}
}
char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
{
j2k_prog_order_t *po;
for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
if (po->enum_prog == prg_order) {
return po->str_prog;
}
}
return po->str_prog;
}
static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
OPJ_UINT32 p_nb_pocs,
OPJ_UINT32 p_nb_resolutions,
OPJ_UINT32 p_num_comps,
OPJ_UINT32 p_num_layers,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32* packet_array;
OPJ_UINT32 index, resno, compno, layno;
OPJ_UINT32 i;
OPJ_UINT32 step_c = 1;
OPJ_UINT32 step_r = p_num_comps * step_c;
OPJ_UINT32 step_l = p_nb_resolutions * step_r;
OPJ_BOOL loss = OPJ_FALSE;
OPJ_UINT32 layno0 = 0;
packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers,
sizeof(OPJ_UINT32));
if (packet_array == 00) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory for checking the poc values.\n");
return OPJ_FALSE;
}
if (p_nb_pocs == 0) {
opj_free(packet_array);
return OPJ_TRUE;
}
index = step_r * p_pocs->resno0;
/* take each resolution for each poc */
for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
/* take each comp of each resolution for each poc */
for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
OPJ_UINT32 comp_index = res_index + layno0 * step_l;
/* and finally take each layer of each res of ... */
for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
/*index = step_r * resno + step_c * compno + step_l * layno;*/
packet_array[comp_index] = 1;
comp_index += step_l;
}
res_index += step_c;
}
index += step_r;
}
++p_pocs;
/* iterate through all the pocs */
for (i = 1; i < p_nb_pocs ; ++i) {
OPJ_UINT32 l_last_layno1 = (p_pocs - 1)->layno1 ;
layno0 = (p_pocs->layno1 > l_last_layno1) ? l_last_layno1 : 0;
index = step_r * p_pocs->resno0;
/* take each resolution for each poc */
for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
/* take each comp of each resolution for each poc */
for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
OPJ_UINT32 comp_index = res_index + layno0 * step_l;
/* and finally take each layer of each res of ... */
for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
/*index = step_r * resno + step_c * compno + step_l * layno;*/
packet_array[comp_index] = 1;
comp_index += step_l;
}
res_index += step_c;
}
index += step_r;
}
++p_pocs;
}
index = 0;
for (layno = 0; layno < p_num_layers ; ++layno) {
for (resno = 0; resno < p_nb_resolutions; ++resno) {
for (compno = 0; compno < p_num_comps; ++compno) {
loss |= (packet_array[index] != 1);
/*index = step_r * resno + step_c * compno + step_l * layno;*/
index += step_c;
}
}
}
if (loss) {
opj_event_msg(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
}
opj_free(packet_array);
return !loss;
}
/* ----------------------------------------------------------------------- */
static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
OPJ_UINT32 tileno)
{
const OPJ_CHAR *prog = 00;
OPJ_INT32 i;
OPJ_UINT32 tpnum = 1;
opj_tcp_t *tcp = 00;
opj_poc_t * l_current_poc = 00;
/* preconditions */
assert(tileno < (cp->tw * cp->th));
assert(pino < (cp->tcps[tileno].numpocs + 1));
/* get the given tile coding parameter */
tcp = &cp->tcps[tileno];
assert(tcp != 00);
l_current_poc = &(tcp->pocs[pino]);
assert(l_current_poc != 0);
/* get the progression order as a character string */
prog = opj_j2k_convert_progression_order(tcp->prg);
assert(strlen(prog) > 0);
if (cp->m_specific_param.m_enc.m_tp_on == 1) {
for (i = 0; i < 4; ++i) {
switch (prog[i]) {
/* component wise */
case 'C':
tpnum *= l_current_poc->compE;
break;
/* resolution wise */
case 'R':
tpnum *= l_current_poc->resE;
break;
/* precinct wise */
case 'P':
tpnum *= l_current_poc->prcE;
break;
/* layer wise */
case 'L':
tpnum *= l_current_poc->layE;
break;
}
/* whould we split here ? */
if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
cp->m_specific_param.m_enc.m_tp_pos = i;
break;
}
}
} else {
tpnum = 1;
}
return tpnum;
}
static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
opj_cp_t *cp,
OPJ_UINT32 * p_nb_tiles,
opj_image_t *image,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 pino, tileno;
OPJ_UINT32 l_nb_tiles;
opj_tcp_t *tcp;
/* preconditions */
assert(p_nb_tiles != 00);
assert(cp != 00);
assert(image != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_j2k);
OPJ_UNUSED(p_manager);
l_nb_tiles = cp->tw * cp->th;
* p_nb_tiles = 0;
tcp = cp->tcps;
/* INDEX >> */
/* TODO mergeV2: check this part which use cstr_info */
/*if (p_j2k->cstr_info) {
opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
OPJ_UINT32 cur_totnum_tp = 0;
opj_pi_update_encoding_parameters(image,cp,tileno);
for (pino = 0; pino <= tcp->numpocs; ++pino)
{
OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
*p_nb_tiles = *p_nb_tiles + tp_num;
cur_totnum_tp += tp_num;
}
tcp->m_nb_tile_parts = cur_totnum_tp;
l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
if (l_info_tile_ptr->tp == 00) {
return OPJ_FALSE;
}
memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
l_info_tile_ptr->num_tps = cur_totnum_tp;
++l_info_tile_ptr;
++tcp;
}
}
else */{
for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
OPJ_UINT32 cur_totnum_tp = 0;
opj_pi_update_encoding_parameters(image, cp, tileno);
for (pino = 0; pino <= tcp->numpocs; ++pino) {
OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
*p_nb_tiles = *p_nb_tiles + tp_num;
cur_totnum_tp += tp_num;
}
tcp->m_nb_tile_parts = cur_totnum_tp;
++tcp;
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
/* 2 bytes will be written */
OPJ_BYTE * l_start_stream = 00;
/* preconditions */
assert(p_stream != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
/* write SOC identifier */
opj_write_bytes(l_start_stream, J2K_MS_SOC, 2);
if (opj_stream_write_data(p_stream, l_start_stream, 2, p_manager) != 2) {
return OPJ_FALSE;
}
/* UniPG>> */
#ifdef USE_JPWL
/* update markers struct */
/*
OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
*/
assert(0 && "TODO");
#endif /* USE_JPWL */
/* <<UniPG */
return OPJ_TRUE;
}
/**
* Reads a SOC marker (Start of Codestream)
* @param p_j2k the jpeg2000 file codec.
* @param p_stream FIXME DOC
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_BYTE l_data [2];
OPJ_UINT32 l_marker;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
return OPJ_FALSE;
}
opj_read_bytes(l_data, &l_marker, 2);
if (l_marker != J2K_MS_SOC) {
return OPJ_FALSE;
}
/* Next marker should be a SIZ marker in the main header */
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
/* FIXME move it in a index structure included in p_j2k*/
p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
opj_event_msg(p_manager, EVT_INFO, "Start to read j2k main header (%d).\n",
p_j2k->cstr_index->main_head_start);
/* Add the marker to the codestream index*/
if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC,
p_j2k->cstr_index->main_head_start, 2)) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i;
OPJ_UINT32 l_size_len;
OPJ_BYTE * l_current_ptr;
opj_image_t * l_image = 00;
opj_cp_t *cp = 00;
opj_image_comp_t * l_img_comp = 00;
/* preconditions */
assert(p_stream != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_image = p_j2k->m_private_image;
cp = &(p_j2k->m_cp);
l_size_len = 40 + 3 * l_image->numcomps;
l_img_comp = l_image->comps;
if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
}
l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
/* write SOC identifier */
opj_write_bytes(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
l_current_ptr += 2;
opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
l_current_ptr += 2;
opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
l_current_ptr += 2;
opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
l_current_ptr += 4;
opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
l_current_ptr += 2;
for (i = 0; i < l_image->numcomps; ++i) {
/* TODO here with MCT ? */
opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
1); /* Ssiz_i */
++l_current_ptr;
opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
++l_current_ptr;
opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
++l_current_ptr;
++l_img_comp;
}
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
p_manager) != l_size_len) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a SIZ marker (image and tile size)
* @param p_j2k the jpeg2000 file codec.
* @param p_header_data the data contained in the SIZ box.
* @param p_header_size the size of the data contained in the SIZ marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 i;
OPJ_UINT32 l_nb_comp;
OPJ_UINT32 l_nb_comp_remain;
OPJ_UINT32 l_remaining_size;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_tmp, l_tx1, l_ty1;
opj_image_t *l_image = 00;
opj_cp_t *l_cp = 00;
opj_image_comp_t * l_img_comp = 00;
opj_tcp_t * l_current_tile_param = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_header_data != 00);
l_image = p_j2k->m_private_image;
l_cp = &(p_j2k->m_cp);
/* minimum size == 39 - 3 (= minimum component parameter) */
if (p_header_size < 36) {
opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
return OPJ_FALSE;
}
l_remaining_size = p_header_size - 36;
l_nb_comp = l_remaining_size / 3;
l_nb_comp_remain = l_remaining_size % 3;
if (l_nb_comp_remain != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_tmp,
2); /* Rsiz (capabilities) */
p_header_data += 2;
l_cp->rsiz = (OPJ_UINT16) l_tmp;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
4); /* XTsiz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
4); /* YTsiz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
4); /* XT0siz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
4); /* YT0siz */
p_header_data += 4;
opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2); /* Csiz */
p_header_data += 2;
if (l_tmp < 16385) {
l_image->numcomps = (OPJ_UINT16) l_tmp;
} else {
opj_event_msg(p_manager, EVT_ERROR,
"Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
return OPJ_FALSE;
}
if (l_image->numcomps != l_nb_comp) {
opj_event_msg(p_manager, EVT_ERROR,
"Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
l_image->numcomps, l_nb_comp);
return OPJ_FALSE;
}
/* testcase 4035.pdf.SIGSEGV.d8b.3375 */
/* testcase issue427-null-image-size.jp2 */
if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
opj_event_msg(p_manager, EVT_ERROR,
"Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
(OPJ_INT64)l_image->y1 - l_image->y0);
return OPJ_FALSE;
}
/* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
opj_event_msg(p_manager, EVT_ERROR,
"Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
l_cp->tdy);
return OPJ_FALSE;
}
/* testcase 1610.pdf.SIGSEGV.59c.681 */
if ((0xFFFFFFFFU / l_image->x1) < l_image->y1) {
opj_event_msg(p_manager, EVT_ERROR,
"Prevent buffer overflow (x1: %d, y1: %d)\n", l_image->x1, l_image->y1);
return OPJ_FALSE;
}
/* testcase issue427-illegal-tile-offset.jp2 */
l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
(l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
opj_event_msg(p_manager, EVT_ERROR,
"Error with SIZ marker: illegal tile offset\n");
return OPJ_FALSE;
}
#ifdef USE_JPWL
if (l_cp->correct) {
/* if JPWL is on, we check whether TX errors have damaged
too much the SIZ parameters */
if (!(l_image->x1 * l_image->y1)) {
opj_event_msg(p_manager, EVT_ERROR,
"JPWL: bad image size (%d x %d)\n",
l_image->x1, l_image->y1);
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
}
/* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
if (l_image->numcomps != ((len - 38) / 3)) {
opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
l_image->numcomps, ((len - 38) / 3));
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
*/ /* we try to correct */
/* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
if (l_image->numcomps < ((len - 38) / 3)) {
len = 38 + 3 * l_image->numcomps;
opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
len);
} else {
l_image->numcomps = ((len - 38) / 3);
opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
l_image->numcomps);
}
}
*/
/* update components number in the jpwl_exp_comps filed */
l_cp->exp_comps = l_image->numcomps;
}
#endif /* USE_JPWL */
/* Allocate the resulting image components */
l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps,
sizeof(opj_image_comp_t));
if (l_image->comps == 00) {
l_image->numcomps = 0;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
l_img_comp = l_image->comps;
/* Read the component information */
for (i = 0; i < l_image->numcomps; ++i) {
OPJ_UINT32 tmp;
opj_read_bytes(p_header_data, &tmp, 1); /* Ssiz_i */
++p_header_data;
l_img_comp->prec = (tmp & 0x7f) + 1;
l_img_comp->sgnd = tmp >> 7;
opj_read_bytes(p_header_data, &tmp, 1); /* XRsiz_i */
++p_header_data;
l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
opj_read_bytes(p_header_data, &tmp, 1); /* YRsiz_i */
++p_header_data;
l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
l_img_comp->dy < 1 || l_img_comp->dy > 255) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
i, l_img_comp->dx, l_img_comp->dy);
return OPJ_FALSE;
}
/* Avoids later undefined shift in computation of */
/* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
<< (l_image->comps[i].prec - 1); */
if (l_img_comp->prec > 31) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
i, l_img_comp->prec);
return OPJ_FALSE;
}
#ifdef USE_JPWL
if (l_cp->correct) {
/* if JPWL is on, we check whether TX errors have damaged
too much the SIZ parameters, again */
if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
i, i, l_image->comps[i].dx, l_image->comps[i].dy);
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
if (!l_image->comps[i].dx) {
l_image->comps[i].dx = 1;
opj_event_msg(p_manager, EVT_WARNING,
"- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
i, l_image->comps[i].dx);
}
if (!l_image->comps[i].dy) {
l_image->comps[i].dy = 1;
opj_event_msg(p_manager, EVT_WARNING,
"- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
i, l_image->comps[i].dy);
}
}
}
#endif /* USE_JPWL */
l_img_comp->resno_decoded =
0; /* number of resolution decoded */
l_img_comp->factor =
l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
++l_img_comp;
}
/* Compute the number of tiles */
l_cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->x1 - l_cp->tx0),
(OPJ_INT32)l_cp->tdx);
l_cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->y1 - l_cp->ty0),
(OPJ_INT32)l_cp->tdy);
/* Check that the number of tiles is valid */
if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
l_cp->tw, l_cp->th);
return OPJ_FALSE;
}
l_nb_tiles = l_cp->tw * l_cp->th;
/* Define the tiles which will be decoded */
if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
p_j2k->m_specific_param.m_decoder.m_start_tile_x =
(p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
p_j2k->m_specific_param.m_decoder.m_start_tile_y =
(p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv((
OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0),
(OPJ_INT32)l_cp->tdx);
p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv((
OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0),
(OPJ_INT32)l_cp->tdy);
} else {
p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
}
#ifdef USE_JPWL
if (l_cp->correct) {
/* if JPWL is on, we check whether TX errors have damaged
too much the SIZ parameters */
if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
(l_cp->th > l_cp->max_tiles)) {
opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: bad number of tiles (%d x %d)\n",
l_cp->tw, l_cp->th);
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
if (l_cp->tw < 1) {
l_cp->tw = 1;
opj_event_msg(p_manager, EVT_WARNING,
"- setting %d tiles in x => HYPOTHESIS!!!\n",
l_cp->tw);
}
if (l_cp->tw > l_cp->max_tiles) {
l_cp->tw = 1;
opj_event_msg(p_manager, EVT_WARNING,
"- too large x, increase expectance of %d\n"
"- setting %d tiles in x => HYPOTHESIS!!!\n",
l_cp->max_tiles, l_cp->tw);
}
if (l_cp->th < 1) {
l_cp->th = 1;
opj_event_msg(p_manager, EVT_WARNING,
"- setting %d tiles in y => HYPOTHESIS!!!\n",
l_cp->th);
}
if (l_cp->th > l_cp->max_tiles) {
l_cp->th = 1;
opj_event_msg(p_manager, EVT_WARNING,
"- too large y, increase expectance of %d to continue\n",
"- setting %d tiles in y => HYPOTHESIS!!!\n",
l_cp->max_tiles, l_cp->th);
}
}
}
#endif /* USE_JPWL */
/* memory allocations */
l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
if (l_cp->tcps == 00) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
#ifdef USE_JPWL
if (l_cp->correct) {
if (!l_cp->tcps) {
opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: could not alloc tcps field of cp\n");
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
}
}
#endif /* USE_JPWL */
p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
(opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
(opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
sizeof(opj_mct_data_t));
if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
(opj_simple_mcc_decorrelation_data_t*)
opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
sizeof(opj_simple_mcc_decorrelation_data_t));
if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
/* set up default dc level shift */
for (i = 0; i < l_image->numcomps; ++i) {
if (! l_image->comps[i].sgnd) {
p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
<< (l_image->comps[i].prec - 1);
}
}
l_current_tile_param = l_cp->tcps;
for (i = 0; i < l_nb_tiles; ++i) {
l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
sizeof(opj_tccp_t));
if (l_current_tile_param->tccps == 00) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
++l_current_tile_param;
}
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
opj_image_comp_header_update(l_image, l_cp);
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_comment_size;
OPJ_UINT32 l_total_com_size;
const OPJ_CHAR *l_comment;
OPJ_BYTE * l_current_ptr = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
l_comment = p_j2k->m_cp.comment;
l_comment_size = (OPJ_UINT32)strlen(l_comment);
l_total_com_size = l_comment_size + 6;
if (l_total_com_size >
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to write the COM marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
}
l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
l_current_ptr += 2;
opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
l_current_ptr += 2;
opj_write_bytes(l_current_ptr, 1,
2); /* General use (IS 8859-15:1999 (Latin) values) */
l_current_ptr += 2;
memcpy(l_current_ptr, l_comment, l_comment_size);
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
p_manager) != l_total_com_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a COM marker (comments)
* @param p_j2k the jpeg2000 file codec.
* @param p_header_data the data contained in the COM box.
* @param p_header_size the size of the data contained in the COM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_header_data != 00);
OPJ_UNUSED(p_j2k);
OPJ_UNUSED(p_header_data);
OPJ_UNUSED(p_header_size);
OPJ_UNUSED(p_manager);
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_code_size, l_remaining_size;
OPJ_BYTE * l_current_data = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
p_j2k->m_current_tile_number, 0);
l_remaining_size = l_code_size;
if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
l_current_data += 2;
opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
l_current_data += 2;
opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
++l_current_data;
opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
++l_current_data;
opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
l_current_data += 2;
opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
++l_current_data;
l_remaining_size -= 9;
if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
l_current_data, &l_remaining_size, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
return OPJ_FALSE;
}
if (l_remaining_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
return OPJ_FALSE;
}
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
p_manager) != l_code_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a COD marker (Coding Styke defaults)
* @param p_header_data the data contained in the COD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the COD marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
/* loop */
OPJ_UINT32 i;
OPJ_UINT32 l_tmp;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_image_t *l_image = 00;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_image = p_j2k->m_private_image;
l_cp = &(p_j2k->m_cp);
/* If we are in the first tile-part header of the current tile */
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
/* Only one COD per tile */
if (l_tcp->cod) {
opj_event_msg(p_manager, EVT_ERROR,
"COD marker already read. No more than one COD marker per tile.\n");
return OPJ_FALSE;
}
l_tcp->cod = 1;
/* Make sure room is sufficient */
if (p_header_size < 5) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
++p_header_data;
/* Make sure we know how to decode this */
if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
J2K_CP_CSTY_EPH)) != 0U) {
opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
++p_header_data;
l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
/* Make sure progression order is valid */
if (l_tcp->prg > OPJ_CPRL) {
opj_event_msg(p_manager, EVT_ERROR,
"Unknown progression order in COD marker\n");
l_tcp->prg = OPJ_PROG_UNKNOWN;
}
opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
p_header_data += 2;
if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid number of layers in COD marker : %d not in range [1-65535]\n",
l_tcp->numlayers);
return OPJ_FALSE;
}
/* If user didn't set a number layer to decode take the max specify in the codestream. */
if (l_cp->m_specific_param.m_dec.m_layer) {
l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
} else {
l_tcp->num_layers_to_decode = l_tcp->numlayers;
}
opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
++p_header_data;
p_header_size -= 5;
for (i = 0; i < l_image->numcomps; ++i) {
l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
}
if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
return OPJ_FALSE;
}
/* Apply the coding style to other components of the current tile or the m_default_tcp*/
opj_j2k_copy_tile_component_parameters(p_j2k);
/* Index */
#ifdef WIP_REMOVE_MSD
if (p_j2k->cstr_info) {
/*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
p_j2k->cstr_info->prog = l_tcp->prg;
p_j2k->cstr_info->numlayers = l_tcp->numlayers;
p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
l_image->numcomps * sizeof(OPJ_UINT32));
if (!p_j2k->cstr_info->numdecompos) {
return OPJ_FALSE;
}
for (i = 0; i < l_image->numcomps; ++i) {
p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
}
}
#endif
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 l_coc_size, l_remaining_size;
OPJ_UINT32 l_comp_room;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
p_j2k->m_current_tile_number, p_comp_no);
if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data;
/*p_j2k->m_specific_param.m_encoder.m_header_tile_data
= (OPJ_BYTE*)opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data,
l_coc_size);*/
new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
}
opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
p_manager);
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
p_manager) != l_coc_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
{
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
return OPJ_FALSE;
}
return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
p_first_comp_no, p_second_comp_no);
}
static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
opj_event_mgr_t * p_manager
)
{
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_coc_size, l_remaining_size;
OPJ_BYTE * l_current_data = 00;
opj_image_t *l_image = 00;
OPJ_UINT32 l_comp_room;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
l_image = p_j2k->m_private_image;
l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
p_j2k->m_current_tile_number, p_comp_no);
l_remaining_size = l_coc_size;
l_current_data = p_data;
opj_write_bytes(l_current_data, J2K_MS_COC,
2); /* COC */
l_current_data += 2;
opj_write_bytes(l_current_data, l_coc_size - 2,
2); /* L_COC */
l_current_data += 2;
opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
l_current_data += l_comp_room;
opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
1); /* Scoc */
++l_current_data;
l_remaining_size -= (5 + l_comp_room);
opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
l_current_data, &l_remaining_size, p_manager);
* p_data_written = l_coc_size;
}
static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
{
OPJ_UINT32 i, j;
OPJ_UINT32 l_nb_comp;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_max = 0;
/* preconditions */
l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
l_nb_comp = p_j2k->m_private_image->numcomps;
for (i = 0; i < l_nb_tiles; ++i) {
for (j = 0; j < l_nb_comp; ++j) {
l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
}
}
return 6 + l_max;
}
/**
* Reads a COC marker (Coding Style Component)
* @param p_header_data the data contained in the COC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the COC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
opj_image_t *l_image = NULL;
OPJ_UINT32 l_comp_room;
OPJ_UINT32 l_comp_no;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
l_image = p_j2k->m_private_image;
l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
/* make sure room is sufficient*/
if (p_header_size < l_comp_room + 1) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
return OPJ_FALSE;
}
p_header_size -= l_comp_room + 1;
opj_read_bytes(p_header_data, &l_comp_no,
l_comp_room); /* Ccoc */
p_header_data += l_comp_room;
if (l_comp_no >= l_image->numcomps) {
opj_event_msg(p_manager, EVT_ERROR,
"Error reading COC marker (bad number of components)\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
1); /* Scoc */
++p_header_data ;
if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_qcd_size, l_remaining_size;
OPJ_BYTE * l_current_data = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
0);
l_remaining_size = l_qcd_size;
if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
l_current_data += 2;
opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
l_current_data += 2;
l_remaining_size -= 4;
if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
l_current_data, &l_remaining_size, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
return OPJ_FALSE;
}
if (l_remaining_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
return OPJ_FALSE;
}
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
p_manager) != l_qcd_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a QCD marker (Quantization defaults)
* @param p_header_data the data contained in the QCD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the QCD marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
return OPJ_FALSE;
}
/* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
opj_j2k_copy_tile_quantization_parameters(p_j2k);
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_qcc_size, l_remaining_size;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
p_comp_no);
l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
l_remaining_size = l_qcc_size;
if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
}
opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
p_manager);
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
p_manager) != l_qcc_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
{
return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
p_first_comp_no, p_second_comp_no);
}
static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_qcc_size, l_remaining_size;
OPJ_BYTE * l_current_data = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
p_comp_no);
l_remaining_size = l_qcc_size;
l_current_data = p_data;
opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
l_current_data += 2;
if (p_j2k->m_private_image->numcomps <= 256) {
--l_qcc_size;
opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
l_current_data += 2;
opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
++l_current_data;
/* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
l_remaining_size -= 6;
} else {
opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
l_current_data += 2;
opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
l_current_data += 2;
l_remaining_size -= 6;
}
opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
l_current_data, &l_remaining_size, p_manager);
*p_data_written = l_qcc_size;
}
static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
{
return opj_j2k_get_max_coc_size(p_j2k);
}
/**
* Reads a QCC marker (Quantization component)
* @param p_header_data the data contained in the QCC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the QCC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_num_comp, l_comp_no;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_num_comp = p_j2k->m_private_image->numcomps;
if (l_num_comp <= 256) {
if (p_header_size < 1) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_comp_no, 1);
++p_header_data;
--p_header_size;
} else {
if (p_header_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_comp_no, 2);
p_header_data += 2;
p_header_size -= 2;
}
#ifdef USE_JPWL
if (p_j2k->m_cp.correct) {
static OPJ_UINT32 backup_compno = 0;
/* compno is negative or larger than the number of components!!! */
if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
opj_event_msg(p_manager, EVT_ERROR,
"JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
l_comp_no, l_num_comp);
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
l_comp_no = backup_compno % l_num_comp;
opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
"- setting component number to %d\n",
l_comp_no);
}
/* keep your private count of tiles */
backup_compno++;
};
#endif /* USE_JPWL */
if (l_comp_no >= p_j2k->m_private_image->numcomps) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid component number: %d, regarding the number of components %d\n",
l_comp_no, p_j2k->m_private_image->numcomps);
return OPJ_FALSE;
}
if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_nb_comp;
OPJ_UINT32 l_nb_poc;
OPJ_UINT32 l_poc_size;
OPJ_UINT32 l_written_size = 0;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_poc_room;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
l_nb_comp = p_j2k->m_private_image->numcomps;
l_nb_poc = 1 + l_tcp->numpocs;
if (l_nb_comp <= 256) {
l_poc_room = 1;
} else {
l_poc_room = 2;
}
l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
}
opj_j2k_write_poc_in_memory(p_j2k,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
p_manager);
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
p_manager) != l_poc_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 i;
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_nb_comp;
OPJ_UINT32 l_nb_poc;
OPJ_UINT32 l_poc_size;
opj_image_t *l_image = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
opj_poc_t *l_current_poc = 00;
OPJ_UINT32 l_poc_room;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_manager);
l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
l_tccp = &l_tcp->tccps[0];
l_image = p_j2k->m_private_image;
l_nb_comp = l_image->numcomps;
l_nb_poc = 1 + l_tcp->numpocs;
if (l_nb_comp <= 256) {
l_poc_room = 1;
} else {
l_poc_room = 2;
}
l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
l_current_data = p_data;
opj_write_bytes(l_current_data, J2K_MS_POC,
2); /* POC */
l_current_data += 2;
opj_write_bytes(l_current_data, l_poc_size - 2,
2); /* Lpoc */
l_current_data += 2;
l_current_poc = l_tcp->pocs;
for (i = 0; i < l_nb_poc; ++i) {
opj_write_bytes(l_current_data, l_current_poc->resno0,
1); /* RSpoc_i */
++l_current_data;
opj_write_bytes(l_current_data, l_current_poc->compno0,
l_poc_room); /* CSpoc_i */
l_current_data += l_poc_room;
opj_write_bytes(l_current_data, l_current_poc->layno1,
2); /* LYEpoc_i */
l_current_data += 2;
opj_write_bytes(l_current_data, l_current_poc->resno1,
1); /* REpoc_i */
++l_current_data;
opj_write_bytes(l_current_data, l_current_poc->compno1,
l_poc_room); /* CEpoc_i */
l_current_data += l_poc_room;
opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
1); /* Ppoc_i */
++l_current_data;
/* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
++l_current_poc;
}
*p_data_written = l_poc_size;
}
static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
{
opj_tcp_t * l_tcp = 00;
OPJ_UINT32 l_nb_tiles = 0;
OPJ_UINT32 l_max_poc = 0;
OPJ_UINT32 i;
l_tcp = p_j2k->m_cp.tcps;
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
for (i = 0; i < l_nb_tiles; ++i) {
l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
++l_tcp;
}
++l_max_poc;
return 4 + 9 * l_max_poc;
}
static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
{
OPJ_UINT32 i;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_max = 0;
opj_tcp_t * l_tcp = 00;
l_tcp = p_j2k->m_cp.tcps;
l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
for (i = 0; i < l_nb_tiles; ++i) {
l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
++l_tcp;
}
return 12 * l_max;
}
static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
{
OPJ_UINT32 l_nb_bytes = 0;
OPJ_UINT32 l_nb_comps;
OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
l_nb_comps = p_j2k->m_private_image->numcomps - 1;
l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
l_nb_bytes += l_nb_comps * l_coc_bytes;
l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
l_nb_bytes += l_nb_comps * l_qcc_bytes;
}
l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
/*** DEVELOPER CORNER, Add room for your headers ***/
return l_nb_bytes;
}
/**
* Reads a POC marker (Progression Order Change)
*
* @param p_header_data the data contained in the POC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 i, l_nb_comp, l_tmp;
opj_image_t * l_image = 00;
OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
OPJ_UINT32 l_chunk_size, l_comp_room;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_poc_t *l_current_poc = 00;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_image = p_j2k->m_private_image;
l_nb_comp = l_image->numcomps;
if (l_nb_comp <= 256) {
l_comp_room = 1;
} else {
l_comp_room = 2;
}
l_chunk_size = 5 + 2 * l_comp_room;
l_current_poc_nb = p_header_size / l_chunk_size;
l_current_poc_remaining = p_header_size % l_chunk_size;
if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
l_current_poc_nb += l_old_poc_nb;
if (l_current_poc_nb >= 32) {
opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
return OPJ_FALSE;
}
assert(l_current_poc_nb < 32);
/* now poc is in use.*/
l_tcp->POC = 1;
l_current_poc = &l_tcp->pocs[l_old_poc_nb];
for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
opj_read_bytes(p_header_data, &(l_current_poc->resno0),
1); /* RSpoc_i */
++p_header_data;
opj_read_bytes(p_header_data, &(l_current_poc->compno0),
l_comp_room); /* CSpoc_i */
p_header_data += l_comp_room;
opj_read_bytes(p_header_data, &(l_current_poc->layno1),
2); /* LYEpoc_i */
/* make sure layer end is in acceptable bounds */
l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
p_header_data += 2;
opj_read_bytes(p_header_data, &(l_current_poc->resno1),
1); /* REpoc_i */
++p_header_data;
opj_read_bytes(p_header_data, &(l_current_poc->compno1),
l_comp_room); /* CEpoc_i */
p_header_data += l_comp_room;
opj_read_bytes(p_header_data, &l_tmp,
1); /* Ppoc_i */
++p_header_data;
l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
/* make sure comp is in acceptable bounds */
l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
++l_current_poc;
}
l_tcp->numpocs = l_current_poc_nb - 1;
return OPJ_TRUE;
}
/**
* Reads a CRG marker (Component registration)
*
* @param p_header_data the data contained in the TLM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the TLM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_nb_comp;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_header_data);
l_nb_comp = p_j2k->m_private_image->numcomps;
if (p_header_size != l_nb_comp * 4) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
return OPJ_FALSE;
}
/* Do not care of this at the moment since only local variables are set here */
/*
for
(i = 0; i < l_nb_comp; ++i)
{
opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
p_header_data+=2;
opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
p_header_data+=2;
}
*/
return OPJ_TRUE;
}
/**
* Reads a TLM marker (Tile Length Marker)
*
* @param p_header_data the data contained in the TLM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the TLM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
l_Ptlm_size;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_j2k);
if (p_header_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
return OPJ_FALSE;
}
p_header_size -= 2;
opj_read_bytes(p_header_data, &l_Ztlm,
1); /* Ztlm */
++p_header_data;
opj_read_bytes(p_header_data, &l_Stlm,
1); /* Stlm */
++p_header_data;
l_ST = ((l_Stlm >> 4) & 0x3);
l_SP = (l_Stlm >> 6) & 0x1;
l_Ptlm_size = (l_SP + 1) * 2;
l_quotient = l_Ptlm_size + l_ST;
l_tot_num_tp_remaining = p_header_size % l_quotient;
if (l_tot_num_tp_remaining != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
return OPJ_FALSE;
}
/* FIXME Do not care of this at the moment since only local variables are set here */
/*
for
(i = 0; i < l_tot_num_tp; ++i)
{
opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
p_header_data += l_ST;
opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
p_header_data += l_Ptlm_size;
}*/
return OPJ_TRUE;
}
/**
* Reads a PLM marker (Packet length, main header marker)
*
* @param p_header_data the data contained in the TLM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the TLM marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_j2k);
OPJ_UNUSED(p_header_data);
if (p_header_size < 1) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
return OPJ_FALSE;
}
/* Do not care of this at the moment since only local variables are set here */
/*
opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
++p_header_data;
--p_header_size;
while
(p_header_size > 0)
{
opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
++p_header_data;
p_header_size -= (1+l_Nplm);
if
(p_header_size < 0)
{
opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
return false;
}
for
(i = 0; i < l_Nplm; ++i)
{
opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
++p_header_data;
// take only the last seven bytes
l_packet_len |= (l_tmp & 0x7f);
if
(l_tmp & 0x80)
{
l_packet_len <<= 7;
}
else
{
// store packet length and proceed to next packet
l_packet_len = 0;
}
}
if
(l_packet_len != 0)
{
opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
return false;
}
}
*/
return OPJ_TRUE;
}
/**
* Reads a PLT marker (Packet length, tile-part header)
*
* @param p_header_data the data contained in the PLT box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the PLT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_j2k);
if (p_header_size < 1) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
++p_header_data;
--p_header_size;
for (i = 0; i < p_header_size; ++i) {
opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
++p_header_data;
/* take only the last seven bytes */
l_packet_len |= (l_tmp & 0x7f);
if (l_tmp & 0x80) {
l_packet_len <<= 7;
} else {
/* store packet length and proceed to next packet */
l_packet_len = 0;
}
}
if (l_packet_len != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a PPM marker (Packed packet headers, main header)
*
* @param p_header_data the data contained in the POC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_ppm(
opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager)
{
opj_cp_t *l_cp = 00;
OPJ_UINT32 l_Z_ppm;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
/* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
if (p_header_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
l_cp->ppm = 1;
opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
++p_header_data;
--p_header_size;
/* check allocation needed */
if (l_cp->ppm_markers == NULL) { /* first PPM marker */
OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
assert(l_cp->ppm_markers_count == 0U);
l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
if (l_cp->ppm_markers == NULL) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
return OPJ_FALSE;
}
l_cp->ppm_markers_count = l_newCount;
} else if (l_cp->ppm_markers_count <= l_Z_ppm) {
OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
opj_ppx *new_ppm_markers;
new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
l_newCount * sizeof(opj_ppx));
if (new_ppm_markers == NULL) {
/* clean up to be done on l_cp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
return OPJ_FALSE;
}
l_cp->ppm_markers = new_ppm_markers;
memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
(l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
l_cp->ppm_markers_count = l_newCount;
}
if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
/* clean up to be done on l_cp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
return OPJ_FALSE;
}
l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
/* clean up to be done on l_cp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
return OPJ_FALSE;
}
l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
return OPJ_TRUE;
}
/**
* Merges all PPM markers read (Packed headers, main header)
*
* @param p_cp main coding parameters.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
/* preconditions */
assert(p_cp != 00);
assert(p_manager != 00);
assert(p_cp->ppm_buffer == NULL);
if (p_cp->ppm == 0U) {
return OPJ_TRUE;
}
l_ppm_data_size = 0U;
l_N_ppm_remaining = 0U;
for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
if (p_cp->ppm_markers[i].m_data !=
NULL) { /* standard doesn't seem to require contiguous Zppm */
OPJ_UINT32 l_N_ppm;
OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
if (l_N_ppm_remaining >= l_data_size) {
l_N_ppm_remaining -= l_data_size;
l_data_size = 0U;
} else {
l_data += l_N_ppm_remaining;
l_data_size -= l_N_ppm_remaining;
l_N_ppm_remaining = 0U;
}
if (l_data_size > 0U) {
do {
/* read Nppm */
if (l_data_size < 4U) {
/* clean up to be done on l_cp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
return OPJ_FALSE;
}
opj_read_bytes(l_data, &l_N_ppm, 4);
l_data += 4;
l_data_size -= 4;
l_ppm_data_size +=
l_N_ppm; /* can't overflow, max 256 markers of max 65536 bytes, that is when PPM markers are not corrupted which is checked elsewhere */
if (l_data_size >= l_N_ppm) {
l_data_size -= l_N_ppm;
l_data += l_N_ppm;
} else {
l_N_ppm_remaining = l_N_ppm - l_data_size;
l_data_size = 0U;
}
} while (l_data_size > 0U);
}
}
}
if (l_N_ppm_remaining != 0U) {
/* clean up to be done on l_cp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
return OPJ_FALSE;
}
p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
if (p_cp->ppm_buffer == 00) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
return OPJ_FALSE;
}
p_cp->ppm_len = l_ppm_data_size;
l_ppm_data_size = 0U;
l_N_ppm_remaining = 0U;
for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
if (p_cp->ppm_markers[i].m_data !=
NULL) { /* standard doesn't seem to require contiguous Zppm */
OPJ_UINT32 l_N_ppm;
OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
if (l_N_ppm_remaining >= l_data_size) {
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
l_ppm_data_size += l_data_size;
l_N_ppm_remaining -= l_data_size;
l_data_size = 0U;
} else {
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
l_ppm_data_size += l_N_ppm_remaining;
l_data += l_N_ppm_remaining;
l_data_size -= l_N_ppm_remaining;
l_N_ppm_remaining = 0U;
}
if (l_data_size > 0U) {
do {
/* read Nppm */
if (l_data_size < 4U) {
/* clean up to be done on l_cp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
return OPJ_FALSE;
}
opj_read_bytes(l_data, &l_N_ppm, 4);
l_data += 4;
l_data_size -= 4;
if (l_data_size >= l_N_ppm) {
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
l_ppm_data_size += l_N_ppm;
l_data_size -= l_N_ppm;
l_data += l_N_ppm;
} else {
memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
l_ppm_data_size += l_data_size;
l_N_ppm_remaining = l_N_ppm - l_data_size;
l_data_size = 0U;
}
} while (l_data_size > 0U);
}
opj_free(p_cp->ppm_markers[i].m_data);
p_cp->ppm_markers[i].m_data = NULL;
p_cp->ppm_markers[i].m_data_size = 0U;
}
}
p_cp->ppm_data = p_cp->ppm_buffer;
p_cp->ppm_data_size = p_cp->ppm_len;
p_cp->ppm_markers_count = 0U;
opj_free(p_cp->ppm_markers);
p_cp->ppm_markers = NULL;
return OPJ_TRUE;
}
/**
* Reads a PPT marker (Packed packet headers, tile-part header)
*
* @param p_header_data the data contained in the PPT box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the PPT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_Z_ppt;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
/* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
if (p_header_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
if (l_cp->ppm) {
opj_event_msg(p_manager, EVT_ERROR,
"Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
return OPJ_FALSE;
}
l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
l_tcp->ppt = 1;
opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
++p_header_data;
--p_header_size;
/* check allocation needed */
if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
assert(l_tcp->ppt_markers_count == 0U);
l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
if (l_tcp->ppt_markers == NULL) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
return OPJ_FALSE;
}
l_tcp->ppt_markers_count = l_newCount;
} else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
opj_ppx *new_ppt_markers;
new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
l_newCount * sizeof(opj_ppx));
if (new_ppt_markers == NULL) {
/* clean up to be done on l_tcp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
return OPJ_FALSE;
}
l_tcp->ppt_markers = new_ppt_markers;
memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
(l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
l_tcp->ppt_markers_count = l_newCount;
}
if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
/* clean up to be done on l_tcp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
return OPJ_FALSE;
}
l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
/* clean up to be done on l_tcp destruction */
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
return OPJ_FALSE;
}
l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
return OPJ_TRUE;
}
/**
* Merges all PPT markers read (Packed packet headers, tile-part header)
*
* @param p_tcp the tile.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i, l_ppt_data_size;
/* preconditions */
assert(p_tcp != 00);
assert(p_manager != 00);
assert(p_tcp->ppt_buffer == NULL);
if (p_tcp->ppt == 0U) {
return OPJ_TRUE;
}
l_ppt_data_size = 0U;
for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
l_ppt_data_size +=
p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
}
p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
if (p_tcp->ppt_buffer == 00) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
return OPJ_FALSE;
}
p_tcp->ppt_len = l_ppt_data_size;
l_ppt_data_size = 0U;
for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
if (p_tcp->ppt_markers[i].m_data !=
NULL) { /* standard doesn't seem to require contiguous Zppt */
memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
p_tcp->ppt_markers[i].m_data_size);
l_ppt_data_size +=
p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
opj_free(p_tcp->ppt_markers[i].m_data);
p_tcp->ppt_markers[i].m_data = NULL;
p_tcp->ppt_markers[i].m_data_size = 0U;
}
}
p_tcp->ppt_markers_count = 0U;
opj_free(p_tcp->ppt_markers);
p_tcp->ppt_markers = NULL;
p_tcp->ppt_data = p_tcp->ppt_buffer;
p_tcp->ppt_data_size = p_tcp->ppt_len;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_tlm_size;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_tlm_size = 6 + (5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
/* change the way data is written to avoid seeking if possible */
/* TODO */
p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
opj_write_bytes(l_current_data, J2K_MS_TLM,
2); /* TLM */
l_current_data += 2;
opj_write_bytes(l_current_data, l_tlm_size - 2,
2); /* Lpoc */
l_current_data += 2;
opj_write_bytes(l_current_data, 0,
1); /* Ztlm=0*/
++l_current_data;
opj_write_bytes(l_current_data, 0x50,
1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
++l_current_data;
/* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
p_manager) != l_tlm_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
const opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_stream);
OPJ_UNUSED(p_manager);
opj_write_bytes(p_data, J2K_MS_SOT,
2); /* SOT */
p_data += 2;
opj_write_bytes(p_data, 10,
2); /* Lsot */
p_data += 2;
opj_write_bytes(p_data, p_j2k->m_current_tile_number,
2); /* Isot */
p_data += 2;
/* Psot */
p_data += 4;
opj_write_bytes(p_data,
p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
1); /* TPsot */
++p_data;
opj_write_bytes(p_data,
p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
1); /* TNsot */
++p_data;
/* UniPG>> */
#ifdef USE_JPWL
/* update markers struct */
/*
OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
*/
assert(0 && "TODO");
#endif /* USE_JPWL */
* p_data_written = 12;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
OPJ_UINT32* p_tile_no,
OPJ_UINT32* p_tot_len,
OPJ_UINT32* p_current_part,
OPJ_UINT32* p_num_parts,
opj_event_mgr_t * p_manager)
{
/* preconditions */
assert(p_header_data != 00);
assert(p_manager != 00);
/* Size of this marker is fixed = 12 (we have already read marker and its size)*/
if (p_header_size != 8) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
p_header_data += 2;
opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
p_header_data += 4;
opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
++p_header_data;
opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
++p_header_data;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager)
{
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_tot_len, l_num_parts = 0;
OPJ_UINT32 l_current_part;
OPJ_UINT32 l_tile_x, l_tile_y;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
&(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
/* testcase 2.pdf.SIGFPE.706.1112 */
if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
p_j2k->m_current_tile_number);
return OPJ_FALSE;
}
l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
/* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
/* of https://github.com/uclouvain/openjpeg/issues/939 */
/* We must avoid reading twice the same tile part number for a given tile */
/* so as to avoid various issues, like opj_j2k_merge_ppt being called */
/* several times. */
/* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
/* should appear in increasing order. */
if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid tile part index for tile number %d. "
"Got %d, expected %d\n",
p_j2k->m_current_tile_number,
l_current_part,
l_tcp->m_current_tile_part_number + 1);
return OPJ_FALSE;
}
++ l_tcp->m_current_tile_part_number;
#ifdef USE_JPWL
if (l_cp->correct) {
OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
static OPJ_UINT32 backup_tileno = 0;
/* tileno is negative or larger than the number of tiles!!! */
if (tileno > (l_cp->tw * l_cp->th)) {
opj_event_msg(p_manager, EVT_ERROR,
"JPWL: bad tile number (%d out of a maximum of %d)\n",
tileno, (l_cp->tw * l_cp->th));
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
tileno = backup_tileno;
opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
"- setting tile number to %d\n",
tileno);
}
/* keep your private count of tiles */
backup_tileno++;
};
#endif /* USE_JPWL */
/* look for the tile in the list of already processed tile (in parts). */
/* Optimization possible here with a more complex data structure and with the removing of tiles */
/* since the time taken by this function can only grow at the time */
/* PSot should be equal to zero or >=14 or <= 2^32-1 */
if ((l_tot_len != 0) && (l_tot_len < 14)) {
if (l_tot_len ==
12) { /* MSD: Special case for the PHR data which are read by kakadu*/
opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
l_tot_len);
} else {
opj_event_msg(p_manager, EVT_ERROR,
"Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
return OPJ_FALSE;
}
}
#ifdef USE_JPWL
if (l_cp->correct) {
/* totlen is negative or larger than the bytes left!!! */
if (/*(l_tot_len < 0) ||*/ (l_tot_len >
p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
opj_event_msg(p_manager, EVT_ERROR,
"JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
l_tot_len,
p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
l_tot_len = 0;
opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
"- setting Psot to %d => assuming it is the last tile\n",
l_tot_len);
}
};
#endif /* USE_JPWL */
/* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
if (!l_tot_len) {
opj_event_msg(p_manager, EVT_INFO,
"Psot value of the current tile-part is equal to zero, "
"we assuming it is the last tile-part of the codestream.\n");
p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
}
if (l_num_parts !=
0) { /* Number of tile-part header is provided by this tile-part header */
l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
/* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
* tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
if (l_tcp->m_nb_tile_parts) {
if (l_current_part >= l_tcp->m_nb_tile_parts) {
opj_event_msg(p_manager, EVT_ERROR,
"In SOT marker, TPSot (%d) is not valid regards to the current "
"number of tile-part (%d), giving up\n", l_current_part,
l_tcp->m_nb_tile_parts);
p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
return OPJ_FALSE;
}
}
if (l_current_part >= l_num_parts) {
/* testcase 451.pdf.SIGSEGV.ce9.3723 */
opj_event_msg(p_manager, EVT_ERROR,
"In SOT marker, TPSot (%d) is not valid regards to the current "
"number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
return OPJ_FALSE;
}
l_tcp->m_nb_tile_parts = l_num_parts;
}
/* If know the number of tile part header we will check if we didn't read the last*/
if (l_tcp->m_nb_tile_parts) {
if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
p_j2k->m_specific_param.m_decoder.m_can_decode =
1; /* Process the last tile-part header*/
}
}
if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
/* Keep the size of data to skip after this marker */
p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
12; /* SOT_marker_size = 12 */
} else {
/* FIXME: need to be computed from the number of bytes remaining in the codestream */
p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
}
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
/* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
p_j2k->m_specific_param.m_decoder.m_skip_data =
(l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
|| (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
|| (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
|| (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
} else {
assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
p_j2k->m_specific_param.m_decoder.m_skip_data =
(p_j2k->m_current_tile_number != (OPJ_UINT32)
p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
}
/* Index */
if (p_j2k->cstr_index) {
assert(p_j2k->cstr_index->tile_index != 00);
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
p_j2k->m_current_tile_number;
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
l_current_part;
if (l_num_parts != 0) {
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
l_num_parts;
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
l_num_parts;
if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
(opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to read SOT marker. Tile index allocation failed\n");
return OPJ_FALSE;
}
} else {
opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
l_num_parts * sizeof(opj_tp_index_t));
if (! new_tp_index) {
opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to read SOT marker. Tile index allocation failed\n");
return OPJ_FALSE;
}
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
new_tp_index;
}
} else {
/*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
(opj_tp_index_t*)opj_calloc(
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
sizeof(opj_tp_index_t));
if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to read SOT marker. Tile index allocation failed\n");
return OPJ_FALSE;
}
}
if (l_current_part >=
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
opj_tp_index_t *new_tp_index;
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
l_current_part + 1;
new_tp_index = (opj_tp_index_t *) opj_realloc(
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
sizeof(opj_tp_index_t));
if (! new_tp_index) {
opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to read SOT marker. Tile index allocation failed\n");
return OPJ_FALSE;
}
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
new_tp_index;
}
}
}
}
/* FIXME move this onto a separate method to call before reading any SOT, remove part about main_end header, use a index struct inside p_j2k */
/* if (p_j2k->cstr_info) {
if (l_tcp->first) {
if (tileno == 0) {
p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
}
p_j2k->cstr_info->tile[tileno].tileno = tileno;
p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
p_j2k->cstr_info->tile[tileno].num_tps = numparts;
if (numparts) {
p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
}
else {
p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
}
}
else {
p_j2k->cstr_info->tile[tileno].end_pos += totlen;
}
p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
}*/
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
opj_tcd_t * p_tile_coder,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_total_data_size,
const opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
opj_codestream_info_t *l_cstr_info = 00;
OPJ_UINT32 l_remaining_data;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_stream);
opj_write_bytes(p_data, J2K_MS_SOD,
2); /* SOD */
p_data += 2;
/* make room for the EOF marker */
l_remaining_data = p_total_data_size - 4;
/* update tile coder */
p_tile_coder->tp_num =
p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
p_tile_coder->cur_tp_num =
p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
/* INDEX >> */
/* TODO mergeV2: check this part which use cstr_info */
/*l_cstr_info = p_j2k->cstr_info;
if (l_cstr_info) {
if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
//TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
}
else {*/
/*
TODO
if
(cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
{
cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
}*/
/*}*/
/* UniPG>> */
#ifdef USE_JPWL
/* update markers struct */
/*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
*/
assert(0 && "TODO");
#endif /* USE_JPWL */
/* <<UniPG */
/*}*/
/* << INDEX */
if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
p_tile_coder->tcd_image->tiles->packno = 0;
if (l_cstr_info) {
l_cstr_info->packno = 0;
}
}
*p_data_written = 0;
if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data,
p_data_written, l_remaining_data, l_cstr_info)) {
opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
return OPJ_FALSE;
}
*p_data_written += 2;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_SIZE_T l_current_read_size;
opj_codestream_index_t * l_cstr_index = 00;
OPJ_BYTE ** l_current_data = 00;
opj_tcp_t * l_tcp = 00;
OPJ_UINT32 * l_tile_len = 00;
OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
/* opj_stream_get_number_byte_left returns OPJ_OFF_T
// but we are in the last tile part,
// so its result will fit on OPJ_UINT32 unless we find
// a file with a single tile part of more than 4 GB...*/
p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
opj_stream_get_number_byte_left(p_stream) - 2);
} else {
/* Check to avoid pass the limit of OPJ_UINT32 */
if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
} else {
/* MSD: case commented to support empty SOT marker (PHR data) */
}
}
l_current_data = &(l_tcp->m_data);
l_tile_len = &l_tcp->m_data_size;
/* Patch to support new PHR data */
if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
/* If we are here, we'll try to read the data after allocation */
/* Check enough bytes left in stream before allocation */
if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
opj_stream_get_number_byte_left(p_stream)) {
opj_event_msg(p_manager, EVT_ERROR,
"Tile part length size inconsistent with stream length\n");
return OPJ_FALSE;
}
if (! *l_current_data) {
/* LH: oddly enough, in this path, l_tile_len!=0.
* TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
*/
*l_current_data = (OPJ_BYTE*) opj_malloc(
p_j2k->m_specific_param.m_decoder.m_sot_length);
} else {
OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
*l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length);
if (! l_new_current_data) {
opj_free(*l_current_data);
/*nothing more is done as l_current_data will be set to null, and just
afterward we enter in the error path
and the actual tile_len is updated (committed) at the end of the
function. */
}
*l_current_data = l_new_current_data;
}
if (*l_current_data == 00) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
return OPJ_FALSE;
}
} else {
l_sot_length_pb_detected = OPJ_TRUE;
}
/* Index */
l_cstr_index = p_j2k->cstr_index;
if (l_cstr_index) {
OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
OPJ_UINT32 l_current_tile_part =
l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
=
l_current_pos;
l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
=
l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
l_cstr_index,
J2K_MS_SOD,
l_current_pos,
p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
return OPJ_FALSE;
}
/*l_cstr_index->packno = 0;*/
}
/* Patch to support new PHR data */
if (!l_sot_length_pb_detected) {
l_current_read_size = opj_stream_read_data(
p_stream,
*l_current_data + *l_tile_len,
p_j2k->m_specific_param.m_decoder.m_sot_length,
p_manager);
} else {
l_current_read_size = 0;
}
if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
} else {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
}
*l_tile_len += (OPJ_UINT32)l_current_read_size;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
OPJ_UINT32 nb_comps,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_rgn_size;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
OPJ_UINT32 l_comp_room;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp = &l_tcp->tccps[p_comp_no];
if (nb_comps <= 256) {
l_comp_room = 1;
} else {
l_comp_room = 2;
}
l_rgn_size = 6 + l_comp_room;
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_RGN,
2); /* RGN */
l_current_data += 2;
opj_write_bytes(l_current_data, l_rgn_size - 2,
2); /* Lrgn */
l_current_data += 2;
opj_write_bytes(l_current_data, p_comp_no,
l_comp_room); /* Crgn */
l_current_data += l_comp_room;
opj_write_bytes(l_current_data, 0,
1); /* Srgn */
++l_current_data;
opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
1); /* SPrgn */
++l_current_data;
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
p_manager) != l_rgn_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
J2K_MS_EOC, 2); /* EOC */
/* UniPG>> */
#ifdef USE_JPWL
/* update markers struct */
/*
OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
*/
#endif /* USE_JPWL */
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
return OPJ_FALSE;
}
if (! opj_stream_flush(p_stream, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a RGN marker (Region Of Interest)
*
* @param p_header_data the data contained in the POC box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the POC marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_nb_comp;
opj_image_t * l_image = 00;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
/* preconditions*/
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_image = p_j2k->m_private_image;
l_nb_comp = l_image->numcomps;
if (l_nb_comp <= 256) {
l_comp_room = 1;
} else {
l_comp_room = 2;
}
if (p_header_size != 2 + l_comp_room) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
p_header_data += l_comp_room;
opj_read_bytes(p_header_data, &l_roi_sty,
1); /* Srgn */
++p_header_data;
#ifdef USE_JPWL
if (l_cp->correct) {
/* totlen is negative or larger than the bytes left!!! */
if (l_comp_room >= l_nb_comp) {
opj_event_msg(p_manager, EVT_ERROR,
"JPWL: bad component number in RGN (%d when there are only %d)\n",
l_comp_room, l_nb_comp);
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
}
};
#endif /* USE_JPWL */
/* testcase 3635.pdf.asan.77.2930 */
if (l_comp_no >= l_nb_comp) {
opj_event_msg(p_manager, EVT_ERROR,
"bad component number in RGN (%d when there are only %d)\n",
l_comp_no, l_nb_comp);
return OPJ_FALSE;
}
opj_read_bytes(p_header_data,
(OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
++p_header_data;
return OPJ_TRUE;
}
static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
{
return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
}
static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
{
(void)p_tcp;
return 0;
}
static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
opj_cp_t * l_cp = 00;
opj_image_t * l_image = 00;
opj_tcp_t * l_tcp = 00;
opj_image_comp_t * l_img_comp = 00;
OPJ_UINT32 i, j, k;
OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
OPJ_FLOAT32 * l_rates = 0;
OPJ_FLOAT32 l_sot_remove;
OPJ_UINT32 l_bits_empty, l_size_pixel;
OPJ_UINT32 l_tile_size = 0;
OPJ_UINT32 l_last_res;
OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_manager);
l_cp = &(p_j2k->m_cp);
l_image = p_j2k->m_private_image;
l_tcp = l_cp->tcps;
l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
l_size_pixel = l_image->numcomps * l_image->comps->prec;
l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
l_cp->th * l_cp->tw);
if (l_cp->m_specific_param.m_enc.m_tp_on) {
l_tp_stride_func = opj_j2k_get_tp_stride;
} else {
l_tp_stride_func = opj_j2k_get_default_stride;
}
for (i = 0; i < l_cp->th; ++i) {
for (j = 0; j < l_cp->tw; ++j) {
OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
(OPJ_FLOAT32)l_tcp->numlayers;
/* 4 borders of the tile rescale on the image if necessary */
l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
(OPJ_INT32)l_image->x0);
l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
(OPJ_INT32)l_image->y0);
l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
(OPJ_INT32)l_image->x1);
l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
(OPJ_INT32)l_image->y1);
l_rates = l_tcp->rates;
/* Modification of the RATE >> */
if (*l_rates > 0.0f) {
*l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
(OPJ_UINT32)(l_y1 - l_y0)))
/
((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
)
-
l_offset;
}
++l_rates;
for (k = 1; k < l_tcp->numlayers; ++k) {
if (*l_rates > 0.0f) {
*l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
(OPJ_UINT32)(l_y1 - l_y0)))
/
((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
)
-
l_offset;
}
++l_rates;
}
++l_tcp;
}
}
l_tcp = l_cp->tcps;
for (i = 0; i < l_cp->th; ++i) {
for (j = 0; j < l_cp->tw; ++j) {
l_rates = l_tcp->rates;
if (*l_rates > 0.0f) {
*l_rates -= l_sot_remove;
if (*l_rates < 30.0f) {
*l_rates = 30.0f;
}
}
++l_rates;
l_last_res = l_tcp->numlayers - 1;
for (k = 1; k < l_last_res; ++k) {
if (*l_rates > 0.0f) {
*l_rates -= l_sot_remove;
if (*l_rates < * (l_rates - 1) + 10.0f) {
*l_rates = (*(l_rates - 1)) + 20.0f;
}
}
++l_rates;
}
if (*l_rates > 0.0f) {
*l_rates -= (l_sot_remove + 2.f);
if (*l_rates < * (l_rates - 1) + 10.0f) {
*l_rates = (*(l_rates - 1)) + 20.0f;
}
}
++l_tcp;
}
}
l_img_comp = l_image->comps;
l_tile_size = 0;
for (i = 0; i < l_image->numcomps; ++i) {
l_tile_size += (opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
*
opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
*
l_img_comp->prec
);
++l_img_comp;
}
l_tile_size = (OPJ_UINT32)(l_tile_size * 0.1625); /* 1.3/8 = 0.1625 */
l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
(OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
return OPJ_FALSE;
}
if (OPJ_IS_CINEMA(l_cp->rsiz)) {
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
(OPJ_BYTE *) opj_malloc(5 *
p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
}
return OPJ_TRUE;
}
#if 0
static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i;
opj_tcd_t * l_tcd = 00;
OPJ_UINT32 l_nb_tiles;
opj_tcp_t * l_tcp = 00;
OPJ_BOOL l_success;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
l_tcp = p_j2k->m_cp.tcps;
l_tcd = opj_tcd_create(OPJ_TRUE);
if (l_tcd == 00) {
opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
return OPJ_FALSE;
}
for (i = 0; i < l_nb_tiles; ++i) {
if (l_tcp->m_data) {
if (! opj_tcd_init_decode_tile(l_tcd, i)) {
opj_tcd_destroy(l_tcd);
opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
return OPJ_FALSE;
}
l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
p_j2k->cstr_index);
/* cleanup */
if (! l_success) {
p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
break;
}
}
opj_j2k_tcp_destroy(l_tcp);
++l_tcp;
}
opj_tcd_destroy(l_tcd);
return OPJ_TRUE;
}
#endif
static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_manager);
p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 i;
opj_simple_mcc_decorrelation_data_t * l_mcc_record;
opj_mct_data_t * l_mct_record;
opj_tcp_t * l_tcp;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
return OPJ_FALSE;
}
l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
l_mct_record = l_tcp->m_mct_records;
for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
return OPJ_FALSE;
}
++l_mct_record;
}
l_mcc_record = l_tcp->m_mcc_records;
for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
return OPJ_FALSE;
}
++l_mcc_record;
}
if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_all_coc(
opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 compno;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
/* cod is first component of first tile */
if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
return OPJ_FALSE;
}
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_all_qcc(
opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 compno;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
/* qcd is first component of first tile */
if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
return OPJ_FALSE;
}
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 compno;
const opj_tccp_t *l_tccp = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_tccp = p_j2k->m_cp.tcps->tccps;
for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
if (l_tccp->roishift) {
if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
p_stream, p_manager)) {
return OPJ_FALSE;
}
}
++l_tccp;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
opj_codestream_index_t * l_cstr_index = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_manager);
l_cstr_index = p_j2k->cstr_index;
if (l_cstr_index) {
l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
/* UniPG>> */
/* The following adjustment is done to adjust the codestream size */
/* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
/* the first bunch of bytes is not in the codestream */
l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
/* <<UniPG */
}
#ifdef USE_JPWL
/* preparation of JPWL marker segments */
#if 0
if (cp->epc_on) {
/* encode according to JPWL */
jpwl_encode(p_j2k, p_stream, image);
}
#endif
assert(0 && "TODO");
#endif /* USE_JPWL */
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
OPJ_UINT32 *output_marker,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_unknown_marker;
const opj_dec_memory_marker_handler_t * l_marker_handler;
OPJ_UINT32 l_size_unk = 2;
/* preconditions*/
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
for (;;) {
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* read 2 bytes as the new marker ID*/
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
&l_unknown_marker, 2);
if (!(l_unknown_marker < 0xff00)) {
/* Get the marker handler from the marker ID*/
l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
opj_event_msg(p_manager, EVT_ERROR,
"Marker is not compliant with its position\n");
return OPJ_FALSE;
} else {
if (l_marker_handler->id != J2K_MS_UNK) {
/* Add the marker to the codestream index*/
if (l_marker_handler->id != J2K_MS_SOT) {
OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
(OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
l_size_unk);
if (res == OPJ_FALSE) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
return OPJ_FALSE;
}
}
break; /* next marker is known and well located */
} else {
l_size_unk += 2;
}
}
}
}
*output_marker = l_marker_handler->id ;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
opj_mct_data_t * p_mct_record,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 l_mct_size;
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_tmp;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_mct_size = 10 + p_mct_record->m_data_size;
if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_MCT,
2); /* MCT */
l_current_data += 2;
opj_write_bytes(l_current_data, l_mct_size - 2,
2); /* Lmct */
l_current_data += 2;
opj_write_bytes(l_current_data, 0,
2); /* Zmct */
l_current_data += 2;
/* only one marker atm */
l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
(p_mct_record->m_element_type << 10);
opj_write_bytes(l_current_data, l_tmp, 2);
l_current_data += 2;
opj_write_bytes(l_current_data, 0,
2); /* Ymct */
l_current_data += 2;
memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
p_manager) != l_mct_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a MCT marker (Multiple Component Transform)
*
* @param p_header_data the data contained in the MCT box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the MCT marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 i;
opj_tcp_t *l_tcp = 00;
OPJ_UINT32 l_tmp;
OPJ_UINT32 l_indix;
opj_mct_data_t * l_mct_data;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
&p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
if (p_header_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
return OPJ_FALSE;
}
/* first marker */
opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
p_header_data += 2;
if (l_tmp != 0) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge mct data within multiple MCT records\n");
return OPJ_TRUE;
}
if (p_header_size <= 6) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
return OPJ_FALSE;
}
/* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
p_header_data += 2;
l_indix = l_tmp & 0xff;
l_mct_data = l_tcp->m_mct_records;
for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
if (l_mct_data->m_index == l_indix) {
break;
}
++l_mct_data;
}
/* NOT FOUND */
if (i == l_tcp->m_nb_mct_records) {
if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
opj_mct_data_t *new_mct_records;
l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
if (! new_mct_records) {
opj_free(l_tcp->m_mct_records);
l_tcp->m_mct_records = NULL;
l_tcp->m_nb_max_mct_records = 0;
l_tcp->m_nb_mct_records = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
return OPJ_FALSE;
}
/* Update m_mcc_records[].m_offset_array and m_decorrelation_array
* to point to the new addresses */
if (new_mct_records != l_tcp->m_mct_records) {
for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
opj_simple_mcc_decorrelation_data_t* l_mcc_record =
&(l_tcp->m_mcc_records[i]);
if (l_mcc_record->m_decorrelation_array) {
l_mcc_record->m_decorrelation_array =
new_mct_records +
(l_mcc_record->m_decorrelation_array -
l_tcp->m_mct_records);
}
if (l_mcc_record->m_offset_array) {
l_mcc_record->m_offset_array =
new_mct_records +
(l_mcc_record->m_offset_array -
l_tcp->m_mct_records);
}
}
}
l_tcp->m_mct_records = new_mct_records;
l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
sizeof(opj_mct_data_t));
}
l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
++l_tcp->m_nb_mct_records;
}
if (l_mct_data->m_data) {
opj_free(l_mct_data->m_data);
l_mct_data->m_data = 00;
l_mct_data->m_data_size = 0;
}
l_mct_data->m_index = l_indix;
l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
p_header_data += 2;
if (l_tmp != 0) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge multiple MCT markers\n");
return OPJ_TRUE;
}
p_header_size -= 6;
l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
if (! l_mct_data->m_data) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
return OPJ_FALSE;
}
memcpy(l_mct_data->m_data, p_header_data, p_header_size);
l_mct_data->m_data_size = p_header_size;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
struct opj_simple_mcc_decorrelation_data * p_mcc_record,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 i;
OPJ_UINT32 l_mcc_size;
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_nb_bytes_for_comp;
OPJ_UINT32 l_mask;
OPJ_UINT32 l_tmcc;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
if (p_mcc_record->m_nb_comps > 255) {
l_nb_bytes_for_comp = 2;
l_mask = 0x8000;
} else {
l_nb_bytes_for_comp = 1;
l_mask = 0;
}
l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_MCC,
2); /* MCC */
l_current_data += 2;
opj_write_bytes(l_current_data, l_mcc_size - 2,
2); /* Lmcc */
l_current_data += 2;
/* first marker */
opj_write_bytes(l_current_data, 0,
2); /* Zmcc */
l_current_data += 2;
opj_write_bytes(l_current_data, p_mcc_record->m_index,
1); /* Imcc -> no need for other values, take the first */
++l_current_data;
/* only one marker atm */
opj_write_bytes(l_current_data, 0,
2); /* Ymcc */
l_current_data += 2;
opj_write_bytes(l_current_data, 1,
2); /* Qmcc -> number of collections -> 1 */
l_current_data += 2;
opj_write_bytes(l_current_data, 0x1,
1); /* Xmcci type of component transformation -> array based decorrelation */
++l_current_data;
opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
l_current_data += 2;
for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
opj_write_bytes(l_current_data, i,
l_nb_bytes_for_comp); /* Cmccij Component offset*/
l_current_data += l_nb_bytes_for_comp;
}
opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
l_current_data += 2;
for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
opj_write_bytes(l_current_data, i,
l_nb_bytes_for_comp); /* Wmccij Component offset*/
l_current_data += l_nb_bytes_for_comp;
}
l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
if (p_mcc_record->m_decorrelation_array) {
l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
}
if (p_mcc_record->m_offset_array) {
l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
}
opj_write_bytes(l_current_data, l_tmcc,
3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
l_current_data += 3;
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
p_manager) != l_mcc_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i, j;
OPJ_UINT32 l_tmp;
OPJ_UINT32 l_indix;
opj_tcp_t * l_tcp;
opj_simple_mcc_decorrelation_data_t * l_mcc_record;
opj_mct_data_t * l_mct_data;
OPJ_UINT32 l_nb_collections;
OPJ_UINT32 l_nb_comps;
OPJ_UINT32 l_nb_bytes_by_comp;
OPJ_BOOL l_new_mcc = OPJ_FALSE;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
&p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
if (p_header_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
/* first marker */
opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
p_header_data += 2;
if (l_tmp != 0) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge multiple data spanning\n");
return OPJ_TRUE;
}
if (p_header_size < 7) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_indix,
1); /* Imcc -> no need for other values, take the first */
++p_header_data;
l_mcc_record = l_tcp->m_mcc_records;
for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
if (l_mcc_record->m_index == l_indix) {
break;
}
++l_mcc_record;
}
/** NOT FOUND */
if (i == l_tcp->m_nb_mcc_records) {
if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
opj_simple_mcc_decorrelation_data_t *new_mcc_records;
l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
opj_simple_mcc_decorrelation_data_t));
if (! new_mcc_records) {
opj_free(l_tcp->m_mcc_records);
l_tcp->m_mcc_records = NULL;
l_tcp->m_nb_max_mcc_records = 0;
l_tcp->m_nb_mcc_records = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
return OPJ_FALSE;
}
l_tcp->m_mcc_records = new_mcc_records;
l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
* sizeof(opj_simple_mcc_decorrelation_data_t));
}
l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
l_new_mcc = OPJ_TRUE;
}
l_mcc_record->m_index = l_indix;
/* only one marker atm */
opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
p_header_data += 2;
if (l_tmp != 0) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge multiple data spanning\n");
return OPJ_TRUE;
}
opj_read_bytes(p_header_data, &l_nb_collections,
2); /* Qmcc -> number of collections -> 1 */
p_header_data += 2;
if (l_nb_collections > 1) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge multiple collections\n");
return OPJ_TRUE;
}
p_header_size -= 7;
for (i = 0; i < l_nb_collections; ++i) {
if (p_header_size < 3) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_tmp,
1); /* Xmcci type of component transformation -> array based decorrelation */
++p_header_data;
if (l_tmp != 1) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge collections other than array decorrelation\n");
return OPJ_TRUE;
}
opj_read_bytes(p_header_data, &l_nb_comps, 2);
p_header_data += 2;
p_header_size -= 3;
l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
opj_read_bytes(p_header_data, &l_tmp,
l_nb_bytes_by_comp); /* Cmccij Component offset*/
p_header_data += l_nb_bytes_by_comp;
if (l_tmp != j) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge collections with indix shuffle\n");
return OPJ_TRUE;
}
}
opj_read_bytes(p_header_data, &l_nb_comps, 2);
p_header_data += 2;
l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
l_nb_comps &= 0x7fff;
if (l_nb_comps != l_mcc_record->m_nb_comps) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge collections without same number of indixes\n");
return OPJ_TRUE;
}
if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
opj_read_bytes(p_header_data, &l_tmp,
l_nb_bytes_by_comp); /* Wmccij Component offset*/
p_header_data += l_nb_bytes_by_comp;
if (l_tmp != j) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge collections with indix shuffle\n");
return OPJ_TRUE;
}
}
opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
p_header_data += 3;
l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
l_mcc_record->m_decorrelation_array = 00;
l_mcc_record->m_offset_array = 00;
l_indix = l_tmp & 0xff;
if (l_indix != 0) {
l_mct_data = l_tcp->m_mct_records;
for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
if (l_mct_data->m_index == l_indix) {
l_mcc_record->m_decorrelation_array = l_mct_data;
break;
}
++l_mct_data;
}
if (l_mcc_record->m_decorrelation_array == 00) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
}
l_indix = (l_tmp >> 8) & 0xff;
if (l_indix != 0) {
l_mct_data = l_tcp->m_mct_records;
for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
if (l_mct_data->m_index == l_indix) {
l_mcc_record->m_offset_array = l_mct_data;
break;
}
++l_mct_data;
}
if (l_mcc_record->m_offset_array == 00) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
}
}
if (p_header_size != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
if (l_new_mcc) {
++l_tcp->m_nb_mcc_records;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager
)
{
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_mco_size;
opj_tcp_t * l_tcp = 00;
opj_simple_mcc_decorrelation_data_t * l_mcc_record;
OPJ_UINT32 i;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
l_mco_size = 5 + l_tcp->m_nb_mcc_records;
if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
l_current_data += 2;
opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
l_current_data += 2;
opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
1); /* Nmco : only one transform stage*/
++l_current_data;
l_mcc_record = l_tcp->m_mcc_records;
for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
opj_write_bytes(l_current_data, l_mcc_record->m_index,
1); /* Imco -> use the mcc indicated by 1*/
++l_current_data;
++l_mcc_record;
}
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
p_manager) != l_mco_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a MCO marker (Multiple Component Transform Ordering)
*
* @param p_header_data the data contained in the MCO box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the MCO marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_tmp, i;
OPJ_UINT32 l_nb_stages;
opj_tcp_t * l_tcp;
opj_tccp_t * l_tccp;
opj_image_t * l_image;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_image = p_j2k->m_private_image;
l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
&p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
if (p_header_size < 1) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_nb_stages,
1); /* Nmco : only one transform stage*/
++p_header_data;
if (l_nb_stages > 1) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot take in charge multiple transformation stages.\n");
return OPJ_TRUE;
}
if (p_header_size != l_nb_stages + 1) {
opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
return OPJ_FALSE;
}
l_tccp = l_tcp->tccps;
for (i = 0; i < l_image->numcomps; ++i) {
l_tccp->m_dc_level_shift = 0;
++l_tccp;
}
if (l_tcp->m_mct_decoding_matrix) {
opj_free(l_tcp->m_mct_decoding_matrix);
l_tcp->m_mct_decoding_matrix = 00;
}
for (i = 0; i < l_nb_stages; ++i) {
opj_read_bytes(p_header_data, &l_tmp, 1);
++p_header_data;
if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
OPJ_UINT32 p_index)
{
OPJ_UINT32 i;
opj_simple_mcc_decorrelation_data_t * l_mcc_record;
opj_mct_data_t * l_deco_array, * l_offset_array;
OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
OPJ_UINT32 l_nb_elem;
OPJ_UINT32 * l_offset_data, * l_current_offset_data;
opj_tccp_t * l_tccp;
/* preconditions */
assert(p_tcp != 00);
l_mcc_record = p_tcp->m_mcc_records;
for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
if (l_mcc_record->m_index == p_index) {
break;
}
}
if (i == p_tcp->m_nb_mcc_records) {
/** element discarded **/
return OPJ_TRUE;
}
if (l_mcc_record->m_nb_comps != p_image->numcomps) {
/** do not support number of comps != image */
return OPJ_TRUE;
}
l_deco_array = l_mcc_record->m_decorrelation_array;
if (l_deco_array) {
l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
* p_image->numcomps;
if (l_deco_array->m_data_size != l_data_size) {
return OPJ_FALSE;
}
l_nb_elem = p_image->numcomps * p_image->numcomps;
l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
if (! p_tcp->m_mct_decoding_matrix) {
return OPJ_FALSE;
}
j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
}
l_offset_array = l_mcc_record->m_offset_array;
if (l_offset_array) {
l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
p_image->numcomps;
if (l_offset_array->m_data_size != l_data_size) {
return OPJ_FALSE;
}
l_nb_elem = p_image->numcomps;
l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
if (! l_offset_data) {
return OPJ_FALSE;
}
j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
l_offset_array->m_data, l_offset_data, l_nb_elem);
l_tccp = p_tcp->tccps;
l_current_offset_data = l_offset_data;
for (i = 0; i < p_image->numcomps; ++i) {
l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
++l_tccp;
}
opj_free(l_offset_data);
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 i;
OPJ_UINT32 l_cbd_size;
OPJ_BYTE * l_current_data = 00;
opj_image_t *l_image = 00;
opj_image_comp_t * l_comp = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_image = p_j2k->m_private_image;
l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
if (! new_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
}
l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
l_current_data += 2;
opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
l_current_data += 2;
opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
l_current_data += 2;
l_comp = l_image->comps;
for (i = 0; i < l_image->numcomps; ++i) {
opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
1); /* Component bit depth */
++l_current_data;
++l_comp;
}
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
p_manager) != l_cbd_size) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Reads a CBD marker (Component bit depth definition)
* @param p_header_data the data contained in the CBD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the CBD marker.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_nb_comp, l_num_comp;
OPJ_UINT32 l_comp_def;
OPJ_UINT32 i;
opj_image_comp_t * l_comp = 00;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
l_num_comp = p_j2k->m_private_image->numcomps;
if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data, &l_nb_comp,
2); /* Ncbd */
p_header_data += 2;
if (l_nb_comp != l_num_comp) {
opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
return OPJ_FALSE;
}
l_comp = p_j2k->m_private_image->comps;
for (i = 0; i < l_num_comp; ++i) {
opj_read_bytes(p_header_data, &l_comp_def,
1); /* Component bit depth */
++p_header_data;
l_comp->sgnd = (l_comp_def >> 7) & 1;
l_comp->prec = (l_comp_def & 0x7f) + 1;
if (l_comp->prec > 31) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
i, l_comp->prec);
return OPJ_FALSE;
}
++l_comp;
}
return OPJ_TRUE;
}
/* ----------------------------------------------------------------------- */
/* J2K / JPT decoder interface */
/* ----------------------------------------------------------------------- */
void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
{
if (j2k && parameters) {
j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
#ifdef USE_JPWL
j2k->m_cp.correct = parameters->jpwl_correct;
j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
#endif /* USE_JPWL */
}
}
OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
{
if (opj_has_thread_support()) {
opj_thread_pool_destroy(j2k->m_tp);
j2k->m_tp = NULL;
if (num_threads <= (OPJ_UINT32)INT_MAX) {
j2k->m_tp = opj_thread_pool_create((int)num_threads);
}
if (j2k->m_tp == NULL) {
j2k->m_tp = opj_thread_pool_create(0);
return OPJ_FALSE;
}
return OPJ_TRUE;
}
return OPJ_FALSE;
}
static int opj_j2k_get_default_thread_count()
{
const char* num_threads = getenv("OPJ_NUM_THREADS");
if (num_threads == NULL || !opj_has_thread_support()) {
return 0;
}
if (strcmp(num_threads, "ALL_CPUS") == 0) {
return opj_get_num_cpus();
}
return atoi(num_threads);
}
/* ----------------------------------------------------------------------- */
/* J2K encoder interface */
/* ----------------------------------------------------------------------- */
opj_j2k_t* opj_j2k_create_compress(void)
{
opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
if (!l_j2k) {
return NULL;
}
l_j2k->m_is_decoder = 0;
l_j2k->m_cp.m_is_decoder = 0;
l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
OPJ_J2K_DEFAULT_HEADER_SIZE);
if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
opj_j2k_destroy(l_j2k);
return NULL;
}
l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
OPJ_J2K_DEFAULT_HEADER_SIZE;
/* validation list creation*/
l_j2k->m_validation_list = opj_procedure_list_create();
if (! l_j2k->m_validation_list) {
opj_j2k_destroy(l_j2k);
return NULL;
}
/* execution list creation*/
l_j2k->m_procedure_list = opj_procedure_list_create();
if (! l_j2k->m_procedure_list) {
opj_j2k_destroy(l_j2k);
return NULL;
}
l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
if (!l_j2k->m_tp) {
l_j2k->m_tp = opj_thread_pool_create(0);
}
if (!l_j2k->m_tp) {
opj_j2k_destroy(l_j2k);
return NULL;
}
return l_j2k;
}
static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
{
POC[0].tile = 1;
POC[0].resno0 = 0;
POC[0].compno0 = 0;
POC[0].layno1 = 1;
POC[0].resno1 = (OPJ_UINT32)(numres - 1);
POC[0].compno1 = 3;
POC[0].prg1 = OPJ_CPRL;
POC[1].tile = 1;
POC[1].resno0 = (OPJ_UINT32)(numres - 1);
POC[1].compno0 = 0;
POC[1].layno1 = 1;
POC[1].resno1 = (OPJ_UINT32)numres;
POC[1].compno1 = 3;
POC[1].prg1 = OPJ_CPRL;
return 2;
}
static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
opj_image_t *image, opj_event_mgr_t *p_manager)
{
/* Configure cinema parameters */
int i;
/* No tiling */
parameters->tile_size_on = OPJ_FALSE;
parameters->cp_tdx = 1;
parameters->cp_tdy = 1;
/* One tile part for each component */
parameters->tp_flag = 'C';
parameters->tp_on = 1;
/* Tile and Image shall be at (0,0) */
parameters->cp_tx0 = 0;
parameters->cp_ty0 = 0;
parameters->image_offset_x0 = 0;
parameters->image_offset_y0 = 0;
/* Codeblock size= 32*32 */
parameters->cblockw_init = 32;
parameters->cblockh_init = 32;
/* Codeblock style: no mode switch enabled */
parameters->mode = 0;
/* No ROI */
parameters->roi_compno = -1;
/* No subsampling */
parameters->subsampling_dx = 1;
parameters->subsampling_dy = 1;
/* 9-7 transform */
parameters->irreversible = 1;
/* Number of layers */
if (parameters->tcp_numlayers > 1) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
"1 single quality layer"
"-> Number of layers forced to 1 (rather than %d)\n"
"-> Rate of the last layer (%3.1f) will be used",
parameters->tcp_numlayers,
parameters->tcp_rates[parameters->tcp_numlayers - 1]);
parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
parameters->tcp_numlayers = 1;
}
/* Resolution levels */
switch (parameters->rsiz) {
case OPJ_PROFILE_CINEMA_2K:
if (parameters->numresolution > 6) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 (2k dc profile) requires:\n"
"Number of decomposition levels <= 5\n"
"-> Number of decomposition levels forced to 5 (rather than %d)\n",
parameters->numresolution + 1);
parameters->numresolution = 6;
}
break;
case OPJ_PROFILE_CINEMA_4K:
if (parameters->numresolution < 2) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-4 (4k dc profile) requires:\n"
"Number of decomposition levels >= 1 && <= 6\n"
"-> Number of decomposition levels forced to 1 (rather than %d)\n",
parameters->numresolution + 1);
parameters->numresolution = 1;
} else if (parameters->numresolution > 7) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-4 (4k dc profile) requires:\n"
"Number of decomposition levels >= 1 && <= 6\n"
"-> Number of decomposition levels forced to 6 (rather than %d)\n",
parameters->numresolution + 1);
parameters->numresolution = 7;
}
break;
default :
break;
}
/* Precincts */
parameters->csty |= 0x01;
parameters->res_spec = parameters->numresolution - 1;
for (i = 0; i < parameters->res_spec; i++) {
parameters->prcw_init[i] = 256;
parameters->prch_init[i] = 256;
}
/* The progression order shall be CPRL */
parameters->prog_order = OPJ_CPRL;
/* Progression order changes for 4K, disallowed for 2K */
if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
parameters->numresolution);
} else {
parameters->numpocs = 0;
}
/* Limited bit-rate */
parameters->cp_disto_alloc = 1;
if (parameters->max_cs_size <= 0) {
/* No rate has been introduced, 24 fps is assumed */
parameters->max_cs_size = OPJ_CINEMA_24_CS;
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
"Maximum 1302083 compressed bytes @ 24fps\n"
"As no rate has been given, this limit will be used.\n");
} else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
"Maximum 1302083 compressed bytes @ 24fps\n"
"-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
parameters->max_cs_size = OPJ_CINEMA_24_CS;
}
if (parameters->max_comp_size <= 0) {
/* No rate has been introduced, 24 fps is assumed */
parameters->max_comp_size = OPJ_CINEMA_24_COMP;
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
"Maximum 1041666 compressed bytes @ 24fps\n"
"As no rate has been given, this limit will be used.\n");
} else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
"Maximum 1041666 compressed bytes @ 24fps\n"
"-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
parameters->max_comp_size = OPJ_CINEMA_24_COMP;
}
parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
image->comps[0].h * image->comps[0].prec) /
(OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
image->comps[0].dy);
}
static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
opj_event_mgr_t *p_manager)
{
OPJ_UINT32 i;
/* Number of components */
if (image->numcomps != 3) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 (2k dc profile) requires:\n"
"3 components"
"-> Number of components of input image (%d) is not compliant\n"
"-> Non-profile-3 codestream will be generated\n",
image->numcomps);
return OPJ_FALSE;
}
/* Bitdepth */
for (i = 0; i < image->numcomps; i++) {
if ((image->comps[i].bpp != 12) | (image->comps[i].sgnd)) {
char signed_str[] = "signed";
char unsigned_str[] = "unsigned";
char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 (2k dc profile) requires:\n"
"Precision of each component shall be 12 bits unsigned"
"-> At least component %d of input image (%d bits, %s) is not compliant\n"
"-> Non-profile-3 codestream will be generated\n",
i, image->comps[i].bpp, tmp_str);
return OPJ_FALSE;
}
}
/* Image size */
switch (rsiz) {
case OPJ_PROFILE_CINEMA_2K:
if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-3 (2k dc profile) requires:\n"
"width <= 2048 and height <= 1080\n"
"-> Input image size %d x %d is not compliant\n"
"-> Non-profile-3 codestream will be generated\n",
image->comps[0].w, image->comps[0].h);
return OPJ_FALSE;
}
break;
case OPJ_PROFILE_CINEMA_4K:
if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Profile-4 (4k dc profile) requires:\n"
"width <= 4096 and height <= 2160\n"
"-> Image size %d x %d is not compliant\n"
"-> Non-profile-4 codestream will be generated\n",
image->comps[0].w, image->comps[0].h);
return OPJ_FALSE;
}
break;
default :
break;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
opj_cparameters_t *parameters,
opj_image_t *image,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i, j, tileno, numpocs_tile;
opj_cp_t *cp = 00;
if (!p_j2k || !parameters || ! image) {
return OPJ_FALSE;
}
if ((parameters->numresolution <= 0) ||
(parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid number of resolutions : %d not in range [1,%d]\n",
parameters->numresolution, OPJ_J2K_MAXRLVLS);
return OPJ_FALSE;
}
/* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
cp = &(p_j2k->m_cp);
/* set default values for cp */
cp->tw = 1;
cp->th = 1;
/* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
if (parameters->rsiz ==
OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
OPJ_BOOL deprecated_used = OPJ_FALSE;
switch (parameters->cp_cinema) {
case OPJ_CINEMA2K_24:
parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
parameters->max_cs_size = OPJ_CINEMA_24_CS;
parameters->max_comp_size = OPJ_CINEMA_24_COMP;
deprecated_used = OPJ_TRUE;
break;
case OPJ_CINEMA2K_48:
parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
parameters->max_cs_size = OPJ_CINEMA_48_CS;
parameters->max_comp_size = OPJ_CINEMA_48_COMP;
deprecated_used = OPJ_TRUE;
break;
case OPJ_CINEMA4K_24:
parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
parameters->max_cs_size = OPJ_CINEMA_24_CS;
parameters->max_comp_size = OPJ_CINEMA_24_COMP;
deprecated_used = OPJ_TRUE;
break;
case OPJ_OFF:
default:
break;
}
switch (parameters->cp_rsiz) {
case OPJ_CINEMA2K:
parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
deprecated_used = OPJ_TRUE;
break;
case OPJ_CINEMA4K:
parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
deprecated_used = OPJ_TRUE;
break;
case OPJ_MCT:
parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
deprecated_used = OPJ_TRUE;
case OPJ_STD_RSIZ:
default:
break;
}
if (deprecated_used) {
opj_event_msg(p_manager, EVT_WARNING,
"Deprecated fields cp_cinema or cp_rsiz are used\n"
"Please consider using only the rsiz field\n"
"See openjpeg.h documentation for more details\n");
}
}
/* see if max_codestream_size does limit input rate */
if (parameters->max_cs_size <= 0) {
if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
OPJ_FLOAT32 temp_size;
temp_size = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
image->comps[0].h * image->comps[0].prec) /
(parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
(OPJ_FLOAT32)image->comps[0].dx * (OPJ_FLOAT32)image->comps[0].dy);
parameters->max_cs_size = (int) floor(temp_size);
} else {
parameters->max_cs_size = 0;
}
} else {
OPJ_FLOAT32 temp_rate;
OPJ_BOOL cap = OPJ_FALSE;
temp_rate = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
image->comps[0].h * image->comps[0].prec) /
(OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
image->comps[0].dy);
for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
if (parameters->tcp_rates[i] < temp_rate) {
parameters->tcp_rates[i] = temp_rate;
cap = OPJ_TRUE;
}
}
if (cap) {
opj_event_msg(p_manager, EVT_WARNING,
"The desired maximum codestream size has limited\n"
"at least one of the desired quality layers\n");
}
}
/* Manage profiles and applications and set RSIZ */
/* set cinema parameters if required */
if (OPJ_IS_CINEMA(parameters->rsiz)) {
if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
|| (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
parameters->rsiz = OPJ_PROFILE_NONE;
} else {
opj_j2k_set_cinema_parameters(parameters, image, p_manager);
if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
parameters->rsiz = OPJ_PROFILE_NONE;
}
}
} else if (OPJ_IS_STORAGE(parameters->rsiz)) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Long Term Storage profile not yet supported\n");
parameters->rsiz = OPJ_PROFILE_NONE;
} else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Broadcast profiles not yet supported\n");
parameters->rsiz = OPJ_PROFILE_NONE;
} else if (OPJ_IS_IMF(parameters->rsiz)) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 IMF profiles not yet supported\n");
parameters->rsiz = OPJ_PROFILE_NONE;
} else if (OPJ_IS_PART2(parameters->rsiz)) {
if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
opj_event_msg(p_manager, EVT_WARNING,
"JPEG 2000 Part-2 profile defined\n"
"but no Part-2 extension enabled.\n"
"Profile set to NONE.\n");
parameters->rsiz = OPJ_PROFILE_NONE;
} else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
opj_event_msg(p_manager, EVT_WARNING,
"Unsupported Part-2 extension enabled\n"
"Profile set to NONE.\n");
parameters->rsiz = OPJ_PROFILE_NONE;
}
}
/*
copy user encoding parameters
*/
cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
parameters->max_comp_size;
cp->rsiz = parameters->rsiz;
cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
parameters->cp_disto_alloc & 1u;
cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
parameters->cp_fixed_alloc & 1u;
cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
parameters->cp_fixed_quality & 1u;
/* mod fixed_quality */
if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
size_t array_size = (size_t)parameters->tcp_numlayers *
(size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
if (!cp->m_specific_param.m_enc.m_matrice) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate copy of user encoding parameters matrix \n");
return OPJ_FALSE;
}
memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
array_size);
}
/* tiles */
cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
/* tile offset */
cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
/* comment string */
if (parameters->cp_comment) {
cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
if (!cp->comment) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate copy of comment string\n");
return OPJ_FALSE;
}
strcpy(cp->comment, parameters->cp_comment);
} else {
/* Create default comment for codestream */
const char comment[] = "Created by OpenJPEG version ";
const size_t clen = strlen(comment);
const char *version = opj_version();
/* UniPG>> */
#ifdef USE_JPWL
cp->comment = (char*)opj_malloc(clen + strlen(version) + 11);
if (!cp->comment) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate comment string\n");
return OPJ_FALSE;
}
sprintf(cp->comment, "%s%s with JPWL", comment, version);
#else
cp->comment = (char*)opj_malloc(clen + strlen(version) + 1);
if (!cp->comment) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate comment string\n");
return OPJ_FALSE;
}
sprintf(cp->comment, "%s%s", comment, version);
#endif
/* <<UniPG */
}
/*
calculate other encoding parameters
*/
if (parameters->tile_size_on) {
cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0),
(OPJ_INT32)cp->tdx);
cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0),
(OPJ_INT32)cp->tdy);
} else {
cp->tdx = image->x1 - cp->tx0;
cp->tdy = image->y1 - cp->ty0;
}
if (parameters->tp_on) {
cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
cp->m_specific_param.m_enc.m_tp_on = 1;
}
#ifdef USE_JPWL
/*
calculate JPWL encoding parameters
*/
if (parameters->jpwl_epc_on) {
OPJ_INT32 i;
/* set JPWL on */
cp->epc_on = OPJ_TRUE;
cp->info_on = OPJ_FALSE; /* no informative technique */
/* set EPB on */
if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
cp->epb_on = OPJ_TRUE;
cp->hprot_MH = parameters->jpwl_hprot_MH;
for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
}
/* if tile specs are not specified, copy MH specs */
if (cp->hprot_TPH[0] == -1) {
cp->hprot_TPH_tileno[0] = 0;
cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
}
for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
cp->pprot[i] = parameters->jpwl_pprot[i];
}
}
/* set ESD writing */
if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
cp->esd_on = OPJ_TRUE;
cp->sens_size = parameters->jpwl_sens_size;
cp->sens_addr = parameters->jpwl_sens_addr;
cp->sens_range = parameters->jpwl_sens_range;
cp->sens_MH = parameters->jpwl_sens_MH;
for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
}
}
/* always set RED writing to false: we are at the encoder */
cp->red_on = OPJ_FALSE;
} else {
cp->epc_on = OPJ_FALSE;
}
#endif /* USE_JPWL */
/* initialize the mutiple tiles */
/* ---------------------------- */
cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
if (!cp->tcps) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate tile coding parameters\n");
return OPJ_FALSE;
}
if (parameters->numpocs) {
/* initialisation of POC */
opj_j2k_check_poc_val(parameters->POC, parameters->numpocs,
(OPJ_UINT32)parameters->numresolution, image->numcomps,
(OPJ_UINT32)parameters->tcp_numlayers, p_manager);
/* TODO MSD use the return value*/
}
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
opj_tcp_t *tcp = &cp->tcps[tileno];
tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
for (j = 0; j < tcp->numlayers; j++) {
if (OPJ_IS_CINEMA(cp->rsiz)) {
if (cp->m_specific_param.m_enc.m_fixed_quality) {
tcp->distoratio[j] = parameters->tcp_distoratio[j];
}
tcp->rates[j] = parameters->tcp_rates[j];
} else {
if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
tcp->distoratio[j] = parameters->tcp_distoratio[j];
} else {
tcp->rates[j] = parameters->tcp_rates[j];
}
}
}
tcp->csty = (OPJ_UINT32)parameters->csty;
tcp->prg = parameters->prog_order;
tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
numpocs_tile = 0;
tcp->POC = 0;
if (parameters->numpocs) {
/* initialisation of POC */
tcp->POC = 1;
for (i = 0; i < parameters->numpocs; i++) {
if (tileno + 1 == parameters->POC[i].tile) {
opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
tcp_poc->tile = parameters->POC[numpocs_tile].tile;
numpocs_tile++;
}
}
tcp->numpocs = numpocs_tile - 1 ;
} else {
tcp->numpocs = 0;
}
tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
if (!tcp->tccps) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate tile component coding parameters\n");
return OPJ_FALSE;
}
if (parameters->mct_data) {
OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
OPJ_FLOAT32);
OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
lMctSize);
if (!lTmpBuf) {
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate temp buffer\n");
return OPJ_FALSE;
}
tcp->mct = 2;
tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
if (! tcp->m_mct_coding_matrix) {
opj_free(lTmpBuf);
lTmpBuf = NULL;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate encoder MCT coding matrix \n");
return OPJ_FALSE;
}
memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
memcpy(lTmpBuf, parameters->mct_data, lMctSize);
tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
if (! tcp->m_mct_decoding_matrix) {
opj_free(lTmpBuf);
lTmpBuf = NULL;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate encoder MCT decoding matrix \n");
return OPJ_FALSE;
}
if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
image->numcomps) == OPJ_FALSE) {
opj_free(lTmpBuf);
lTmpBuf = NULL;
opj_event_msg(p_manager, EVT_ERROR,
"Failed to inverse encoder MCT decoding matrix \n");
return OPJ_FALSE;
}
tcp->mct_norms = (OPJ_FLOAT64*)
opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
if (! tcp->mct_norms) {
opj_free(lTmpBuf);
lTmpBuf = NULL;
opj_event_msg(p_manager, EVT_ERROR,
"Not enough memory to allocate encoder MCT norms \n");
return OPJ_FALSE;
}
opj_calculate_norms(tcp->mct_norms, image->numcomps,
tcp->m_mct_decoding_matrix);
opj_free(lTmpBuf);
for (i = 0; i < image->numcomps; i++) {
opj_tccp_t *tccp = &tcp->tccps[i];
tccp->m_dc_level_shift = l_dc_shift[i];
}
if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
/* free will be handled by opj_j2k_destroy */
opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
return OPJ_FALSE;
}
} else {
if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
if ((image->comps[0].dx != image->comps[1].dx) ||
(image->comps[0].dx != image->comps[2].dx) ||
(image->comps[0].dy != image->comps[1].dy) ||
(image->comps[0].dy != image->comps[2].dy)) {
opj_event_msg(p_manager, EVT_WARNING,
"Cannot perform MCT on components with different sizes. Disabling MCT.\n");
tcp->mct = 0;
}
}
for (i = 0; i < image->numcomps; i++) {
opj_tccp_t *tccp = &tcp->tccps[i];
opj_image_comp_t * l_comp = &(image->comps[i]);
if (! l_comp->sgnd) {
tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
}
}
}
for (i = 0; i < image->numcomps; i++) {
opj_tccp_t *tccp = &tcp->tccps[i];
tccp->csty = parameters->csty &
0x01; /* 0 => one precinct || 1 => custom precinct */
tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
tccp->cblksty = (OPJ_UINT32)parameters->mode;
tccp->qmfbid = parameters->irreversible ? 0 : 1;
tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
J2K_CCP_QNTSTY_NOQNT;
tccp->numgbits = 2;
if ((OPJ_INT32)i == parameters->roi_compno) {
tccp->roishift = parameters->roi_shift;
} else {
tccp->roishift = 0;
}
if (parameters->csty & J2K_CCP_CSTY_PRT) {
OPJ_INT32 p = 0, it_res;
assert(tccp->numresolutions > 0);
for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
if (p < parameters->res_spec) {
if (parameters->prcw_init[p] < 1) {
tccp->prcw[it_res] = 1;
} else {
tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
}
if (parameters->prch_init[p] < 1) {
tccp->prch[it_res] = 1;
} else {
tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
}
} else {
OPJ_INT32 res_spec = parameters->res_spec;
OPJ_INT32 size_prcw = 0;
OPJ_INT32 size_prch = 0;
assert(res_spec > 0); /* issue 189 */
size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
if (size_prcw < 1) {
tccp->prcw[it_res] = 1;
} else {
tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
}
if (size_prch < 1) {
tccp->prch[it_res] = 1;
} else {
tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
}
}
p++;
/*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
} /*end for*/
} else {
for (j = 0; j < tccp->numresolutions; j++) {
tccp->prcw[j] = 15;
tccp->prch[j] = 15;
}
}
opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
}
}
if (parameters->mct_data) {
opj_free(parameters->mct_data);
parameters->mct_data = 00;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
{
assert(cstr_index != 00);
/* expand the list? */
if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
opj_marker_info_t *new_marker;
cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
cstr_index->maxmarknum);
new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
cstr_index->maxmarknum * sizeof(opj_marker_info_t));
if (! new_marker) {
opj_free(cstr_index->marker);
cstr_index->marker = NULL;
cstr_index->maxmarknum = 0;
cstr_index->marknum = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
return OPJ_FALSE;
}
cstr_index->marker = new_marker;
}
/* add the marker */
cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
cstr_index->marknum++;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
OPJ_UINT32 len)
{
assert(cstr_index != 00);
assert(cstr_index->tile_index != 00);
/* expand the list? */
if ((cstr_index->tile_index[tileno].marknum + 1) >
cstr_index->tile_index[tileno].maxmarknum) {
opj_marker_info_t *new_marker;
cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
(OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
new_marker = (opj_marker_info_t *) opj_realloc(
cstr_index->tile_index[tileno].marker,
cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
if (! new_marker) {
opj_free(cstr_index->tile_index[tileno].marker);
cstr_index->tile_index[tileno].marker = NULL;
cstr_index->tile_index[tileno].maxmarknum = 0;
cstr_index->tile_index[tileno].marknum = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
return OPJ_FALSE;
}
cstr_index->tile_index[tileno].marker = new_marker;
}
/* add the marker */
cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
= (OPJ_UINT16)type;
cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
= (OPJ_INT32)pos;
cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
= (OPJ_INT32)len;
cstr_index->tile_index[tileno].marknum++;
if (type == J2K_MS_SOT) {
OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
if (cstr_index->tile_index[tileno].tp_index) {
cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
}
}
return OPJ_TRUE;
}
/*
* -----------------------------------------------------------------------
* -----------------------------------------------------------------------
* -----------------------------------------------------------------------
*/
OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
(void)p_j2k;
(void)p_stream;
(void)p_manager;
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
opj_j2k_t* p_j2k,
opj_image_t** p_image,
opj_event_mgr_t* p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
/* create an empty image header */
p_j2k->m_private_image = opj_image_create0();
if (! p_j2k->m_private_image) {
return OPJ_FALSE;
}
/* customization of the validation */
if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
return OPJ_FALSE;
}
/* validation of the parameters codec */
if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
return OPJ_FALSE;
}
/* customization of the encoding */
if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
return OPJ_FALSE;
}
/* read header */
if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
return OPJ_FALSE;
}
*p_image = opj_image_create0();
if (!(*p_image)) {
return OPJ_FALSE;
}
/* Copy codestream image information to the output image */
opj_copy_image_header(p_j2k->m_private_image, *p_image);
/*Allocate and initialize some elements of codestrem index*/
if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions*/
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
return OPJ_FALSE;
}
/* DEVELOPER CORNER, add your custom procedures */
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions*/
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
(opj_procedure)opj_j2k_build_decoder, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
(opj_procedure)opj_j2k_decoding_validation, p_manager)) {
return OPJ_FALSE;
}
/* DEVELOPER CORNER, add your custom validation procedure */
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_BOOL l_is_valid = OPJ_TRUE;
OPJ_UINT32 i, j;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_stream);
OPJ_UNUSED(p_manager);
if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
for (i = 0; i < l_nb_tiles; ++i) {
if (l_tcp->mct == 2) {
opj_tccp_t * l_tccp = l_tcp->tccps;
l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
l_is_valid &= !(l_tccp->qmfbid & 1);
++l_tccp;
}
}
++l_tcp;
}
}
return l_is_valid;
}
OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
{
OPJ_UINT32 i;
OPJ_UINT32 l_indix = 1;
opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
opj_simple_mcc_decorrelation_data_t * l_mcc_data;
OPJ_UINT32 l_mct_size, l_nb_elem;
OPJ_FLOAT32 * l_data, * l_current_data;
opj_tccp_t * l_tccp;
/* preconditions */
assert(p_tcp != 00);
if (p_tcp->mct != 2) {
return OPJ_TRUE;
}
if (p_tcp->m_mct_decoding_matrix) {
if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
opj_mct_data_t *new_mct_records;
p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
if (! new_mct_records) {
opj_free(p_tcp->m_mct_records);
p_tcp->m_mct_records = NULL;
p_tcp->m_nb_max_mct_records = 0;
p_tcp->m_nb_mct_records = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
return OPJ_FALSE;
}
p_tcp->m_mct_records = new_mct_records;
l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
memset(l_mct_deco_data, 0,
(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
opj_mct_data_t));
}
l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
if (l_mct_deco_data->m_data) {
opj_free(l_mct_deco_data->m_data);
l_mct_deco_data->m_data = 00;
}
l_mct_deco_data->m_index = l_indix++;
l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
l_nb_elem = p_image->numcomps * p_image->numcomps;
l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
if (! l_mct_deco_data->m_data) {
return OPJ_FALSE;
}
j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
l_mct_deco_data->m_data_size = l_mct_size;
++p_tcp->m_nb_mct_records;
}
if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
opj_mct_data_t *new_mct_records;
p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
if (! new_mct_records) {
opj_free(p_tcp->m_mct_records);
p_tcp->m_mct_records = NULL;
p_tcp->m_nb_max_mct_records = 0;
p_tcp->m_nb_mct_records = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
return OPJ_FALSE;
}
p_tcp->m_mct_records = new_mct_records;
l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
memset(l_mct_offset_data, 0,
(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
opj_mct_data_t));
if (l_mct_deco_data) {
l_mct_deco_data = l_mct_offset_data - 1;
}
}
l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
if (l_mct_offset_data->m_data) {
opj_free(l_mct_offset_data->m_data);
l_mct_offset_data->m_data = 00;
}
l_mct_offset_data->m_index = l_indix++;
l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
l_nb_elem = p_image->numcomps;
l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
if (! l_mct_offset_data->m_data) {
return OPJ_FALSE;
}
l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
if (! l_data) {
opj_free(l_mct_offset_data->m_data);
l_mct_offset_data->m_data = 00;
return OPJ_FALSE;
}
l_tccp = p_tcp->tccps;
l_current_data = l_data;
for (i = 0; i < l_nb_elem; ++i) {
*(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
++l_tccp;
}
j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
l_mct_offset_data->m_data, l_nb_elem);
opj_free(l_data);
l_mct_offset_data->m_data_size = l_mct_size;
++p_tcp->m_nb_mct_records;
if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
opj_simple_mcc_decorrelation_data_t *new_mcc_records;
p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
opj_simple_mcc_decorrelation_data_t));
if (! new_mcc_records) {
opj_free(p_tcp->m_mcc_records);
p_tcp->m_mcc_records = NULL;
p_tcp->m_nb_max_mcc_records = 0;
p_tcp->m_nb_mcc_records = 0;
/* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
return OPJ_FALSE;
}
p_tcp->m_mcc_records = new_mcc_records;
l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
sizeof(opj_simple_mcc_decorrelation_data_t));
}
l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
l_mcc_data->m_decorrelation_array = l_mct_deco_data;
l_mcc_data->m_is_irreversible = 1;
l_mcc_data->m_nb_comps = p_image->numcomps;
l_mcc_data->m_index = l_indix++;
l_mcc_data->m_offset_array = l_mct_offset_data;
++p_tcp->m_nb_mcc_records;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
/* add here initialization of cp
copy paste of setup_decoder */
(void)p_j2k;
(void)p_stream;
(void)p_manager;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
/* add here initialization of cp
copy paste of setup_encoder */
(void)p_j2k;
(void)p_stream;
(void)p_manager;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_BOOL l_is_valid = OPJ_TRUE;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_stream);
/* STATE checking */
/* make sure the state is at 0 */
l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
/* POINTER validation */
/* make sure a p_j2k codec is present */
l_is_valid &= (p_j2k->m_procedure_list != 00);
/* make sure a validation list is present */
l_is_valid &= (p_j2k->m_validation_list != 00);
/* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
/* 33 (32) would always fail the check below (if a cast to 64bits was done) */
/* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
(p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
opj_event_msg(p_manager, EVT_ERROR,
"Number of resolutions is too high in comparison to the size of tiles\n");
return OPJ_FALSE;
}
if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
(p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
opj_event_msg(p_manager, EVT_ERROR,
"Number of resolutions is too high in comparison to the size of tiles\n");
return OPJ_FALSE;
}
if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
(p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
opj_event_msg(p_manager, EVT_ERROR,
"Number of resolutions is too high in comparison to the size of tiles\n");
return OPJ_FALSE;
}
/* PARAMETER VALIDATION */
return l_is_valid;
}
static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_BOOL l_is_valid = OPJ_TRUE;
/* preconditions*/
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_stream);
OPJ_UNUSED(p_manager);
/* STATE checking */
/* make sure the state is at 0 */
#ifdef TODO_MSD
l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
#endif
l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
/* POINTER validation */
/* make sure a p_j2k codec is present */
/* make sure a procedure list is present */
l_is_valid &= (p_j2k->m_procedure_list != 00);
/* make sure a validation list is present */
l_is_valid &= (p_j2k->m_validation_list != 00);
/* PARAMETER VALIDATION */
return l_is_valid;
}
static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 l_current_marker;
OPJ_UINT32 l_marker_size;
const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
OPJ_BOOL l_has_siz = 0;
OPJ_BOOL l_has_cod = 0;
OPJ_BOOL l_has_qcd = 0;
/* preconditions */
assert(p_stream != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
/* We enter in the main header */
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
/* Try to read the SOC marker, the codestream must begin with SOC marker */
if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
return OPJ_FALSE;
}
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read 2 bytes as the new marker ID */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
&l_current_marker, 2);
/* Try to read until the SOT is detected */
while (l_current_marker != J2K_MS_SOT) {
/* Check if the current marker ID is valid */
if (l_current_marker < 0xff00) {
opj_event_msg(p_manager, EVT_ERROR,
"A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
return OPJ_FALSE;
}
/* Get the marker handler from the marker ID */
l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
/* Manage case where marker is unknown */
if (l_marker_handler->id == J2K_MS_UNK) {
if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR,
"Unknow marker have been detected and generated error.\n");
return OPJ_FALSE;
}
if (l_current_marker == J2K_MS_SOT) {
break; /* SOT marker is detected main header is completely read */
} else { /* Get the marker handler from the marker ID */
l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
}
}
if (l_marker_handler->id == J2K_MS_SIZ) {
/* Mark required SIZ marker as found */
l_has_siz = 1;
}
if (l_marker_handler->id == J2K_MS_COD) {
/* Mark required COD marker as found */
l_has_cod = 1;
}
if (l_marker_handler->id == J2K_MS_QCD) {
/* Mark required QCD marker as found */
l_has_qcd = 1;
}
/* Check if the marker is known and if it is the right place to find it */
if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
opj_event_msg(p_manager, EVT_ERROR,
"Marker is not compliant with its position\n");
return OPJ_FALSE;
}
/* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* read 2 bytes as the marker size */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
2);
if (l_marker_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
return OPJ_FALSE;
}
l_marker_size -= 2; /* Subtract the size of the marker ID already read */
/* Check if the marker size is compatible with the header data size */
if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
if (! new_header_data) {
opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
}
/* Try to read the rest of the marker segment from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
p_manager) != l_marker_size) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read the marker segment with the correct marker handler */
if (!(*(l_marker_handler->handler))(p_j2k,
p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR,
"Marker handler function failed to read the marker segment\n");
return OPJ_FALSE;
}
/* Add the marker to the codestream index*/
if (OPJ_FALSE == opj_j2k_add_mhmarker(
p_j2k->cstr_index,
l_marker_handler->id,
(OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
l_marker_size + 4)) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
return OPJ_FALSE;
}
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* read 2 bytes as the new marker ID */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
&l_current_marker, 2);
}
if (l_has_siz == 0) {
opj_event_msg(p_manager, EVT_ERROR,
"required SIZ marker not found in main header\n");
return OPJ_FALSE;
}
if (l_has_cod == 0) {
opj_event_msg(p_manager, EVT_ERROR,
"required COD marker not found in main header\n");
return OPJ_FALSE;
}
if (l_has_qcd == 0) {
opj_event_msg(p_manager, EVT_ERROR,
"required QCD marker not found in main header\n");
return OPJ_FALSE;
}
if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
/* Position of the last element if the main header */
p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
/* Next step: read a tile-part header */
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
opj_procedure_list_t * p_procedure_list,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
opj_event_mgr_t *) = 00;
OPJ_BOOL l_result = OPJ_TRUE;
OPJ_UINT32 l_nb_proc, i;
/* preconditions*/
assert(p_procedure_list != 00);
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
for (i = 0; i < l_nb_proc; ++i) {
l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
++l_procedure;
}
/* and clear the procedure list at the end.*/
opj_procedure_list_clear(p_procedure_list);
return l_result;
}
/* FIXME DOC*/
static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
opj_tcp_t * l_tcp = 00;
opj_tcp_t * l_default_tcp = 00;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 i, j;
opj_tccp_t *l_current_tccp = 00;
OPJ_UINT32 l_tccp_size;
OPJ_UINT32 l_mct_size;
opj_image_t * l_image;
OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
OPJ_UINT32 l_offset;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_stream);
l_image = p_j2k->m_private_image;
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
l_tcp = p_j2k->m_cp.tcps;
l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
OPJ_FLOAT32);
/* For each tile */
for (i = 0; i < l_nb_tiles; ++i) {
/* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
l_current_tccp = l_tcp->tccps;
/*Copy default coding parameters into the current tile coding parameters*/
memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
/* Initialize some values of the current tile coding parameters*/
l_tcp->cod = 0;
l_tcp->ppt = 0;
l_tcp->ppt_data = 00;
l_tcp->m_current_tile_part_number = -1;
/* Remove memory not owned by this tile in case of early error return. */
l_tcp->m_mct_decoding_matrix = 00;
l_tcp->m_nb_max_mct_records = 0;
l_tcp->m_mct_records = 00;
l_tcp->m_nb_max_mcc_records = 0;
l_tcp->m_mcc_records = 00;
/* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
l_tcp->tccps = l_current_tccp;
/* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
if (l_default_tcp->m_mct_decoding_matrix) {
l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
if (! l_tcp->m_mct_decoding_matrix) {
return OPJ_FALSE;
}
memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
l_mct_size);
}
/* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
opj_mct_data_t);
l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
if (! l_tcp->m_mct_records) {
return OPJ_FALSE;
}
memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
/* Copy the mct record data from dflt_tile_cp to the current tile*/
l_src_mct_rec = l_default_tcp->m_mct_records;
l_dest_mct_rec = l_tcp->m_mct_records;
for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
if (l_src_mct_rec->m_data) {
l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
if (! l_dest_mct_rec->m_data) {
return OPJ_FALSE;
}
memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
l_src_mct_rec->m_data_size);
}
++l_src_mct_rec;
++l_dest_mct_rec;
/* Update with each pass to free exactly what has been allocated on early return. */
l_tcp->m_nb_max_mct_records += 1;
}
/* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
opj_simple_mcc_decorrelation_data_t);
l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
l_mcc_records_size);
if (! l_tcp->m_mcc_records) {
return OPJ_FALSE;
}
memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
/* Copy the mcc record data from dflt_tile_cp to the current tile*/
l_src_mcc_rec = l_default_tcp->m_mcc_records;
l_dest_mcc_rec = l_tcp->m_mcc_records;
for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
if (l_src_mcc_rec->m_decorrelation_array) {
l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
l_default_tcp->m_mct_records);
l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
}
if (l_src_mcc_rec->m_offset_array) {
l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
l_default_tcp->m_mct_records);
l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
}
++l_src_mcc_rec;
++l_dest_mcc_rec;
}
/* Copy all the dflt_tile_compo_cp to the current tile cp */
memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
/* Move to next tile cp*/
++l_tcp;
}
/* Create the current tile decoder*/
p_j2k->m_tcd = (opj_tcd_t*)opj_tcd_create(OPJ_TRUE); /* FIXME why a cast ? */
if (! p_j2k->m_tcd) {
return OPJ_FALSE;
}
if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
opj_tcd_destroy(p_j2k->m_tcd);
p_j2k->m_tcd = 00;
opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
OPJ_UINT32 p_id)
{
const opj_dec_memory_marker_handler_t *e;
for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
if (e->id == p_id) {
break; /* we find a handler corresponding to the marker ID*/
}
}
return e;
}
void opj_j2k_destroy(opj_j2k_t *p_j2k)
{
if (p_j2k == 00) {
return;
}
if (p_j2k->m_is_decoder) {
if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
}
if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
p_j2k->m_specific_param.m_decoder.m_header_data = 00;
p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
}
} else {
if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
}
if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
}
if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
}
}
opj_tcd_destroy(p_j2k->m_tcd);
opj_j2k_cp_destroy(&(p_j2k->m_cp));
memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
opj_procedure_list_destroy(p_j2k->m_procedure_list);
p_j2k->m_procedure_list = 00;
opj_procedure_list_destroy(p_j2k->m_validation_list);
p_j2k->m_procedure_list = 00;
j2k_destroy_cstr_index(p_j2k->cstr_index);
p_j2k->cstr_index = NULL;
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
opj_image_destroy(p_j2k->m_output_image);
p_j2k->m_output_image = NULL;
opj_thread_pool_destroy(p_j2k->m_tp);
p_j2k->m_tp = NULL;
opj_free(p_j2k);
}
void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
{
if (p_cstr_ind) {
if (p_cstr_ind->marker) {
opj_free(p_cstr_ind->marker);
p_cstr_ind->marker = NULL;
}
if (p_cstr_ind->tile_index) {
OPJ_UINT32 it_tile = 0;
for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
if (p_cstr_ind->tile_index[it_tile].packet_index) {
opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
p_cstr_ind->tile_index[it_tile].packet_index = NULL;
}
if (p_cstr_ind->tile_index[it_tile].tp_index) {
opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
p_cstr_ind->tile_index[it_tile].tp_index = NULL;
}
if (p_cstr_ind->tile_index[it_tile].marker) {
opj_free(p_cstr_ind->tile_index[it_tile].marker);
p_cstr_ind->tile_index[it_tile].marker = NULL;
}
}
opj_free(p_cstr_ind->tile_index);
p_cstr_ind->tile_index = NULL;
}
opj_free(p_cstr_ind);
}
}
static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
{
if (p_tcp == 00) {
return;
}
if (p_tcp->ppt_markers != 00) {
OPJ_UINT32 i;
for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
if (p_tcp->ppt_markers[i].m_data != NULL) {
opj_free(p_tcp->ppt_markers[i].m_data);
}
}
p_tcp->ppt_markers_count = 0U;
opj_free(p_tcp->ppt_markers);
p_tcp->ppt_markers = NULL;
}
if (p_tcp->ppt_buffer != 00) {
opj_free(p_tcp->ppt_buffer);
p_tcp->ppt_buffer = 00;
}
if (p_tcp->tccps != 00) {
opj_free(p_tcp->tccps);
p_tcp->tccps = 00;
}
if (p_tcp->m_mct_coding_matrix != 00) {
opj_free(p_tcp->m_mct_coding_matrix);
p_tcp->m_mct_coding_matrix = 00;
}
if (p_tcp->m_mct_decoding_matrix != 00) {
opj_free(p_tcp->m_mct_decoding_matrix);
p_tcp->m_mct_decoding_matrix = 00;
}
if (p_tcp->m_mcc_records) {
opj_free(p_tcp->m_mcc_records);
p_tcp->m_mcc_records = 00;
p_tcp->m_nb_max_mcc_records = 0;
p_tcp->m_nb_mcc_records = 0;
}
if (p_tcp->m_mct_records) {
opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
OPJ_UINT32 i;
for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
if (l_mct_data->m_data) {
opj_free(l_mct_data->m_data);
l_mct_data->m_data = 00;
}
++l_mct_data;
}
opj_free(p_tcp->m_mct_records);
p_tcp->m_mct_records = 00;
}
if (p_tcp->mct_norms != 00) {
opj_free(p_tcp->mct_norms);
p_tcp->mct_norms = 00;
}
opj_j2k_tcp_data_destroy(p_tcp);
}
static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
{
if (p_tcp->m_data) {
opj_free(p_tcp->m_data);
p_tcp->m_data = NULL;
p_tcp->m_data_size = 0;
}
}
static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
{
OPJ_UINT32 l_nb_tiles;
opj_tcp_t * l_current_tile = 00;
if (p_cp == 00) {
return;
}
if (p_cp->tcps != 00) {
OPJ_UINT32 i;
l_current_tile = p_cp->tcps;
l_nb_tiles = p_cp->th * p_cp->tw;
for (i = 0U; i < l_nb_tiles; ++i) {
opj_j2k_tcp_destroy(l_current_tile);
++l_current_tile;
}
opj_free(p_cp->tcps);
p_cp->tcps = 00;
}
if (p_cp->ppm_markers != 00) {
OPJ_UINT32 i;
for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
if (p_cp->ppm_markers[i].m_data != NULL) {
opj_free(p_cp->ppm_markers[i].m_data);
}
}
p_cp->ppm_markers_count = 0U;
opj_free(p_cp->ppm_markers);
p_cp->ppm_markers = NULL;
}
opj_free(p_cp->ppm_buffer);
p_cp->ppm_buffer = 00;
p_cp->ppm_data =
NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
opj_free(p_cp->comment);
p_cp->comment = 00;
if (! p_cp->m_is_decoder) {
opj_free(p_cp->m_specific_param.m_enc.m_matrice);
p_cp->m_specific_param.m_enc.m_matrice = 00;
}
}
static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
*p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_header_data[10];
OPJ_OFF_T l_stream_pos_backup;
OPJ_UINT32 l_current_marker;
OPJ_UINT32 l_marker_size;
OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
/* initialize to no correction needed */
*p_correction_needed = OPJ_FALSE;
if (!opj_stream_has_seek(p_stream)) {
/* We can't do much in this case, seek is needed */
return OPJ_TRUE;
}
l_stream_pos_backup = opj_stream_tell(p_stream);
if (l_stream_pos_backup == -1) {
/* let's do nothing */
return OPJ_TRUE;
}
for (;;) {
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
/* assume all is OK */
if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/* Read 2 bytes from buffer as the new marker ID */
opj_read_bytes(l_header_data, &l_current_marker, 2);
if (l_current_marker != J2K_MS_SOT) {
/* assume all is OK */
if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read 2 bytes from the buffer as the marker size */
opj_read_bytes(l_header_data, &l_marker_size, 2);
/* Check marker size for SOT Marker */
if (l_marker_size != 10) {
opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
return OPJ_FALSE;
}
l_marker_size -= 2;
if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
p_manager) != l_marker_size) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
&l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
return OPJ_FALSE;
}
if (l_tile_no == tile_no) {
/* we found what we were looking for */
break;
}
if ((l_tot_len == 0U) || (l_tot_len < 14U)) {
/* last SOT until EOC or invalid Psot value */
/* assume all is OK */
if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
l_tot_len -= 12U;
/* look for next SOT marker */
if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
p_manager) != (OPJ_OFF_T)(l_tot_len)) {
/* assume all is OK */
if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
}
/* check for correction */
if (l_current_part == l_num_parts) {
*p_correction_needed = OPJ_TRUE;
}
if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
OPJ_UINT32 * p_tile_index,
OPJ_UINT32 * p_data_size,
OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
OPJ_UINT32 * p_nb_comps,
OPJ_BOOL * p_go_on,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 l_current_marker = J2K_MS_SOT;
OPJ_UINT32 l_marker_size;
const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
opj_tcp_t * l_tcp = NULL;
/* preconditions */
assert(p_stream != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
/* Reach the End Of Codestream ?*/
if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
l_current_marker = J2K_MS_EOC;
}
/* We need to encounter a SOT marker (a new tile-part header) */
else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
return OPJ_FALSE;
}
/* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
(l_current_marker != J2K_MS_EOC)) {
/* Try to read until the Start Of Data is detected */
while (l_current_marker != J2K_MS_SOD) {
if (opj_stream_get_number_byte_left(p_stream) == 0) {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
break;
}
/* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read 2 bytes from the buffer as the marker size */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
2);
/* Check marker size (does not include marker ID but includes marker size) */
if (l_marker_size < 2) {
opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
return OPJ_FALSE;
}
/* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
if (l_current_marker == 0x8080 &&
opj_stream_get_number_byte_left(p_stream) == 0) {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
break;
}
/* Why this condition? FIXME */
if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
}
l_marker_size -= 2; /* Subtract the size of the marker ID already read */
/* Get the marker handler from the marker ID */
l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
/* Check if the marker is known and if it is the right place to find it */
if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
opj_event_msg(p_manager, EVT_ERROR,
"Marker is not compliant with its position\n");
return OPJ_FALSE;
}
/* FIXME manage case of unknown marker as in the main header ? */
/* Check if the marker size is compatible with the header data size */
if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
OPJ_BYTE *new_header_data = NULL;
/* If we are here, this means we consider this marker as known & we will read it */
/* Check enough bytes left in stream before allocation */
if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
opj_event_msg(p_manager, EVT_ERROR,
"Marker size inconsistent with stream length\n");
return OPJ_FALSE;
}
new_header_data = (OPJ_BYTE *) opj_realloc(
p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
if (! new_header_data) {
opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
}
/* Try to read the rest of the marker segment from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
p_manager) != l_marker_size) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
if (!l_marker_handler->handler) {
/* See issue #175 */
opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
return OPJ_FALSE;
}
/* Read the marker segment with the correct marker handler */
if (!(*(l_marker_handler->handler))(p_j2k,
p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR,
"Fail to read the current marker segment (%#x)\n", l_current_marker);
return OPJ_FALSE;
}
/* Add the marker to the codestream index*/
if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
p_j2k->cstr_index,
l_marker_handler->id,
(OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
l_marker_size + 4)) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
return OPJ_FALSE;
}
/* Keep the position of the last SOT marker read */
if (l_marker_handler->id == J2K_MS_SOT) {
OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
;
if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
}
}
if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
/* Skip the rest of the tile part header*/
if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
} else {
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read 2 bytes from the buffer as the new marker ID */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
&l_current_marker, 2);
}
}
if (opj_stream_get_number_byte_left(p_stream) == 0
&& p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
break;
}
/* If we didn't skip data before, we need to read the SOD marker*/
if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
/* Try to read the SOD marker and skip data ? FIXME */
if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
return OPJ_FALSE;
}
if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
!p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
/* Issue 254 */
OPJ_BOOL l_correction_needed;
p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR,
"opj_j2k_apply_nb_tile_parts_correction error\n");
return OPJ_FALSE;
}
if (l_correction_needed) {
OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
OPJ_UINT32 l_tile_no;
p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
/* correct tiles */
for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
}
}
opj_event_msg(p_manager, EVT_WARNING,
"Non conformant codestream TPsot==TNsot.\n");
}
}
if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read 2 bytes from buffer as the new marker ID */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
&l_current_marker, 2);
}
} else {
/* Indicate we will try to read a new tile-part header*/
p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
/* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
if (opj_stream_read_data(p_stream,
p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
/* Read 2 bytes from buffer as the new marker ID */
opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
&l_current_marker, 2);
}
}
/* Current marker is the EOC marker ?*/
if (l_current_marker == J2K_MS_EOC) {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
}
/* FIXME DOC ???*/
if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
++p_j2k->m_current_tile_number;
++l_tcp;
}
if (p_j2k->m_current_tile_number == l_nb_tiles) {
*p_go_on = OPJ_FALSE;
return OPJ_TRUE;
}
}
if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
return OPJ_FALSE;
}
/*FIXME ???*/
if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
p_manager)) {
opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
*p_tile_index = p_j2k->m_current_tile_number;
*p_go_on = OPJ_TRUE;
*p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd);
if (*p_data_size == UINT_MAX) {
return OPJ_FALSE;
}
*p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
*p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
*p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
*p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
*p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
OPJ_UINT32 p_tile_index,
OPJ_BYTE * p_data,
OPJ_UINT32 p_data_size,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 l_current_marker;
OPJ_BYTE l_data [2];
opj_tcp_t * l_tcp;
/* preconditions */
assert(p_stream != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
|| (p_tile_index != p_j2k->m_current_tile_number)) {
return OPJ_FALSE;
}
l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
if (! l_tcp->m_data) {
opj_j2k_tcp_destroy(l_tcp);
return OPJ_FALSE;
}
if (! opj_tcd_decode_tile(p_j2k->m_tcd,
l_tcp->m_data,
l_tcp->m_data_size,
p_tile_index,
p_j2k->cstr_index, p_manager)) {
opj_j2k_tcp_destroy(l_tcp);
p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
return OPJ_FALSE;
}
if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
return OPJ_FALSE;
}
/* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
* we destroy just the data which will be re-read in read_tile_header*/
/*opj_j2k_tcp_destroy(l_tcp);
p_j2k->m_tcd->tcp = 0;*/
opj_j2k_tcp_data_destroy(l_tcp);
p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
if (opj_stream_get_number_byte_left(p_stream) == 0
&& p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
return OPJ_TRUE;
}
if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
return OPJ_FALSE;
}
opj_read_bytes(l_data, &l_current_marker, 2);
if (l_current_marker == J2K_MS_EOC) {
p_j2k->m_current_tile_number = 0;
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
} else if (l_current_marker != J2K_MS_SOT) {
if (opj_stream_get_number_byte_left(p_stream) == 0) {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
return OPJ_TRUE;
}
opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data,
opj_image_t* p_output_image)
{
OPJ_UINT32 i, j, k = 0;
OPJ_UINT32 l_width_src, l_height_src;
OPJ_UINT32 l_width_dest, l_height_dest;
OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
OPJ_SIZE_T l_start_offset_src, l_line_offset_src, l_end_offset_src ;
OPJ_UINT32 l_start_x_dest, l_start_y_dest;
OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
OPJ_SIZE_T l_start_offset_dest, l_line_offset_dest;
opj_image_comp_t * l_img_comp_src = 00;
opj_image_comp_t * l_img_comp_dest = 00;
opj_tcd_tilecomp_t * l_tilec = 00;
opj_image_t * l_image_src = 00;
OPJ_UINT32 l_size_comp, l_remaining;
OPJ_INT32 * l_dest_ptr;
opj_tcd_resolution_t* l_res = 00;
l_tilec = p_tcd->tcd_image->tiles->comps;
l_image_src = p_tcd->image;
l_img_comp_src = l_image_src->comps;
l_img_comp_dest = p_output_image->comps;
for (i = 0; i < l_image_src->numcomps; i++) {
/* Allocate output component buffer if necessary */
if (!l_img_comp_dest->data) {
OPJ_SIZE_T l_width = l_img_comp_dest->w;
OPJ_SIZE_T l_height = l_img_comp_dest->h;
if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height))) {
/* would overflow */
return OPJ_FALSE;
}
l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_width * l_height,
sizeof(OPJ_INT32));
if (! l_img_comp_dest->data) {
return OPJ_FALSE;
}
}
/* Copy info from decoded comp image to output image */
l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
/*-----*/
/* Compute the precision of the output buffer */
l_size_comp = l_img_comp_src->prec >> 3; /*(/ 8)*/
l_remaining = l_img_comp_src->prec & 7; /* (%8) */
l_res = l_tilec->resolutions + l_img_comp_src->resno_decoded;
if (l_remaining) {
++l_size_comp;
}
if (l_size_comp == 3) {
l_size_comp = 4;
}
/*-----*/
/* Current tile component size*/
/*if (i == 0) {
fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
l_res->x0, l_res->x1, l_res->y0, l_res->y1);
}*/
l_width_src = (OPJ_UINT32)(l_res->x1 - l_res->x0);
l_height_src = (OPJ_UINT32)(l_res->y1 - l_res->y0);
/* Border of the current output component*/
l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
l_x1_dest = l_x0_dest +
l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
l_y1_dest = l_y0_dest + l_img_comp_dest->h;
/*if (i == 0) {
fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
}*/
/*-----*/
/* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
* of the input buffer (decoded tile component) which will be move
* in the output buffer. Compute the area of the output buffer (l_start_x_dest,
* l_start_y_dest, l_width_dest, l_height_dest) which will be modified
* by this input area.
* */
assert(l_res->x0 >= 0);
assert(l_res->x1 >= 0);
if (l_x0_dest < (OPJ_UINT32)l_res->x0) {
l_start_x_dest = (OPJ_UINT32)l_res->x0 - l_x0_dest;
l_offset_x0_src = 0;
if (l_x1_dest >= (OPJ_UINT32)l_res->x1) {
l_width_dest = l_width_src;
l_offset_x1_src = 0;
} else {
l_width_dest = l_x1_dest - (OPJ_UINT32)l_res->x0 ;
l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
}
} else {
l_start_x_dest = 0U;
l_offset_x0_src = (OPJ_INT32)l_x0_dest - l_res->x0;
if (l_x1_dest >= (OPJ_UINT32)l_res->x1) {
l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
l_offset_x1_src = 0;
} else {
l_width_dest = l_img_comp_dest->w ;
l_offset_x1_src = l_res->x1 - (OPJ_INT32)l_x1_dest;
}
}
if (l_y0_dest < (OPJ_UINT32)l_res->y0) {
l_start_y_dest = (OPJ_UINT32)l_res->y0 - l_y0_dest;
l_offset_y0_src = 0;
if (l_y1_dest >= (OPJ_UINT32)l_res->y1) {
l_height_dest = l_height_src;
l_offset_y1_src = 0;
} else {
l_height_dest = l_y1_dest - (OPJ_UINT32)l_res->y0 ;
l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
}
} else {
l_start_y_dest = 0U;
l_offset_y0_src = (OPJ_INT32)l_y0_dest - l_res->y0;
if (l_y1_dest >= (OPJ_UINT32)l_res->y1) {
l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
l_offset_y1_src = 0;
} else {
l_height_dest = l_img_comp_dest->h ;
l_offset_y1_src = l_res->y1 - (OPJ_INT32)l_y1_dest;
}
}
if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
(l_offset_y1_src < 0)) {
return OPJ_FALSE;
}
/* testcase 2977.pdf.asan.67.2198 */
if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
return OPJ_FALSE;
}
/*-----*/
/* Compute the input buffer offset */
l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
* (OPJ_SIZE_T)l_width_src;
l_line_offset_src = (OPJ_SIZE_T)l_offset_x1_src + (OPJ_SIZE_T)l_offset_x0_src;
l_end_offset_src = (OPJ_SIZE_T)l_offset_y1_src * (OPJ_SIZE_T)l_width_src -
(OPJ_SIZE_T)l_offset_x0_src;
/* Compute the output buffer offset */
l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
* (OPJ_SIZE_T)l_img_comp_dest->w;
l_line_offset_dest = (OPJ_SIZE_T)l_img_comp_dest->w - (OPJ_SIZE_T)l_width_dest;
/* Move the output buffer to the first place where we will write*/
l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
/*if (i == 0) {
fprintf(stdout, "COMPO[%d]:\n",i);
fprintf(stdout, "SRC: l_start_x_src=%d, l_start_y_src=%d, l_width_src=%d, l_height_src=%d\n"
"\t tile offset:%d, %d, %d, %d\n"
"\t buffer offset: %d; %d, %d\n",
l_res->x0, l_res->y0, l_width_src, l_height_src,
l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src,
l_start_offset_src, l_line_offset_src, l_end_offset_src);
fprintf(stdout, "DEST: l_start_x_dest=%d, l_start_y_dest=%d, l_width_dest=%d, l_height_dest=%d\n"
"\t start offset: %d, line offset= %d\n",
l_start_x_dest, l_start_y_dest, l_width_dest, l_height_dest, l_start_offset_dest, l_line_offset_dest);
}*/
switch (l_size_comp) {
case 1: {
OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data;
l_src_ptr += l_start_offset_src; /* Move to the first place where we will read*/
if (l_img_comp_src->sgnd) {
for (j = 0 ; j < l_height_dest ; ++j) {
for (k = 0 ; k < l_width_dest ; ++k) {
*(l_dest_ptr++) = (OPJ_INT32)(*
(l_src_ptr++)); /* Copy only the data needed for the output image */
}
l_dest_ptr +=
l_line_offset_dest; /* Move to the next place where we will write */
l_src_ptr += l_line_offset_src ; /* Move to the next place where we will read */
}
} else {
for (j = 0 ; j < l_height_dest ; ++j) {
for (k = 0 ; k < l_width_dest ; ++k) {
*(l_dest_ptr++) = (OPJ_INT32)((*(l_src_ptr++)) & 0xff);
}
l_dest_ptr += l_line_offset_dest;
l_src_ptr += l_line_offset_src;
}
}
l_src_ptr +=
l_end_offset_src; /* Move to the end of this component-part of the input buffer */
p_data = (OPJ_BYTE*)
l_src_ptr; /* Keep the current position for the next component-part */
}
break;
case 2: {
OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data;
l_src_ptr += l_start_offset_src;
if (l_img_comp_src->sgnd) {
for (j = 0; j < l_height_dest; ++j) {
for (k = 0; k < l_width_dest; ++k) {
OPJ_INT16 val;
memcpy(&val, l_src_ptr, sizeof(val));
l_src_ptr ++;
*(l_dest_ptr++) = val;
}
l_dest_ptr += l_line_offset_dest;
l_src_ptr += l_line_offset_src ;
}
} else {
for (j = 0; j < l_height_dest; ++j) {
for (k = 0; k < l_width_dest; ++k) {
OPJ_INT16 val;
memcpy(&val, l_src_ptr, sizeof(val));
l_src_ptr ++;
*(l_dest_ptr++) = val & 0xffff;
}
l_dest_ptr += l_line_offset_dest;
l_src_ptr += l_line_offset_src ;
}
}
l_src_ptr += l_end_offset_src;
p_data = (OPJ_BYTE*) l_src_ptr;
}
break;
case 4: {
OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data;
l_src_ptr += l_start_offset_src;
for (j = 0; j < l_height_dest; ++j) {
memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
l_dest_ptr += l_width_dest + l_line_offset_dest;
l_src_ptr += l_width_dest + l_line_offset_src ;
}
l_src_ptr += l_end_offset_src;
p_data = (OPJ_BYTE*) l_src_ptr;
}
break;
}
++l_img_comp_dest;
++l_img_comp_src;
++l_tilec;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
opj_image_t* p_image,
OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
opj_event_mgr_t * p_manager)
{
opj_cp_t * l_cp = &(p_j2k->m_cp);
opj_image_t * l_image = p_j2k->m_private_image;
OPJ_UINT32 it_comp;
OPJ_INT32 l_comp_x1, l_comp_y1;
opj_image_comp_t* l_img_comp = NULL;
/* Check if we are read the main header */
if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
opj_event_msg(p_manager, EVT_ERROR,
"Need to decode the main header before begin to decode the remaining codestream");
return OPJ_FALSE;
}
if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
opj_event_msg(p_manager, EVT_INFO,
"No decoded area parameters, set the decoded area to the whole image\n");
p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
return OPJ_TRUE;
}
/* ----- */
/* Check if the positions provided by the user are correct */
/* Left */
if (p_start_x < 0) {
opj_event_msg(p_manager, EVT_ERROR,
"Left position of the decoded area (region_x0=%d) should be >= 0.\n",
p_start_x);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_start_x > l_image->x1) {
opj_event_msg(p_manager, EVT_ERROR,
"Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
p_start_x, l_image->x1);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_start_x < l_image->x0) {
opj_event_msg(p_manager, EVT_WARNING,
"Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
p_start_x, l_image->x0);
p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
p_image->x0 = l_image->x0;
} else {
p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
l_cp->tx0) / l_cp->tdx;
p_image->x0 = (OPJ_UINT32)p_start_x;
}
/* Up */
if (p_start_x < 0) {
opj_event_msg(p_manager, EVT_ERROR,
"Up position of the decoded area (region_y0=%d) should be >= 0.\n",
p_start_y);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_start_y > l_image->y1) {
opj_event_msg(p_manager, EVT_ERROR,
"Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
p_start_y, l_image->y1);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_start_y < l_image->y0) {
opj_event_msg(p_manager, EVT_WARNING,
"Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
p_start_y, l_image->y0);
p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
p_image->y0 = l_image->y0;
} else {
p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
l_cp->ty0) / l_cp->tdy;
p_image->y0 = (OPJ_UINT32)p_start_y;
}
/* Right */
if (p_end_x <= 0) {
opj_event_msg(p_manager, EVT_ERROR,
"Right position of the decoded area (region_x1=%d) should be > 0.\n",
p_end_x);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_end_x < l_image->x0) {
opj_event_msg(p_manager, EVT_ERROR,
"Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
p_end_x, l_image->x0);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_end_x > l_image->x1) {
opj_event_msg(p_manager, EVT_WARNING,
"Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
p_end_x, l_image->x1);
p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
p_image->x1 = l_image->x1;
} else {
p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
p_image->x1 = (OPJ_UINT32)p_end_x;
}
/* Bottom */
if (p_end_y <= 0) {
opj_event_msg(p_manager, EVT_ERROR,
"Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
p_end_y);
return OPJ_FALSE;
} else if ((OPJ_UINT32)p_end_y < l_image->y0) {
opj_event_msg(p_manager, EVT_ERROR,
"Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
p_end_y, l_image->y0);
return OPJ_FALSE;
}
if ((OPJ_UINT32)p_end_y > l_image->y1) {
opj_event_msg(p_manager, EVT_WARNING,
"Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
p_end_y, l_image->y1);
p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
p_image->y1 = l_image->y1;
} else {
p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
p_image->y1 = (OPJ_UINT32)p_end_y;
}
/* ----- */
p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
l_img_comp = p_image->comps;
for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
OPJ_INT32 l_h, l_w;
l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
(OPJ_INT32)l_img_comp->dx);
l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
(OPJ_INT32)l_img_comp->dy);
l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
- opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
if (l_w < 0) {
opj_event_msg(p_manager, EVT_ERROR,
"Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
it_comp, l_w);
return OPJ_FALSE;
}
l_img_comp->w = (OPJ_UINT32)l_w;
l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
- opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
if (l_h < 0) {
opj_event_msg(p_manager, EVT_ERROR,
"Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
it_comp, l_h);
return OPJ_FALSE;
}
l_img_comp->h = (OPJ_UINT32)l_h;
l_img_comp++;
}
opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
p_image->x0, p_image->y0, p_image->x1, p_image->y1);
return OPJ_TRUE;
}
opj_j2k_t* opj_j2k_create_decompress(void)
{
opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
if (!l_j2k) {
return 00;
}
l_j2k->m_is_decoder = 1;
l_j2k->m_cp.m_is_decoder = 1;
#ifdef OPJ_DISABLE_TPSOT_FIX
l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
#endif
l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
sizeof(opj_tcp_t));
if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
opj_j2k_destroy(l_j2k);
return 00;
}
l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
OPJ_J2K_DEFAULT_HEADER_SIZE);
if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
opj_j2k_destroy(l_j2k);
return 00;
}
l_j2k->m_specific_param.m_decoder.m_header_data_size =
OPJ_J2K_DEFAULT_HEADER_SIZE;
l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
/* codestream index creation */
l_j2k->cstr_index = opj_j2k_create_cstr_index();
if (!l_j2k->cstr_index) {
opj_j2k_destroy(l_j2k);
return 00;
}
/* validation list creation */
l_j2k->m_validation_list = opj_procedure_list_create();
if (! l_j2k->m_validation_list) {
opj_j2k_destroy(l_j2k);
return 00;
}
/* execution list creation */
l_j2k->m_procedure_list = opj_procedure_list_create();
if (! l_j2k->m_procedure_list) {
opj_j2k_destroy(l_j2k);
return 00;
}
l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
if (!l_j2k->m_tp) {
l_j2k->m_tp = opj_thread_pool_create(0);
}
if (!l_j2k->m_tp) {
opj_j2k_destroy(l_j2k);
return NULL;
}
return l_j2k;
}
static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
{
opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
opj_calloc(1, sizeof(opj_codestream_index_t));
if (!cstr_index) {
return NULL;
}
cstr_index->maxmarknum = 100;
cstr_index->marknum = 0;
cstr_index->marker = (opj_marker_info_t*)
opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
if (!cstr_index-> marker) {
opj_free(cstr_index);
return NULL;
}
cstr_index->tile_index = NULL;
return cstr_index;
}
static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no)
{
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp = &l_tcp->tccps[p_comp_no];
/* preconditions again */
assert(p_tile_no < (l_cp->tw * l_cp->th));
assert(p_comp_no < p_j2k->m_private_image->numcomps);
if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
return 5 + l_tccp->numresolutions;
} else {
return 5;
}
}
static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
{
OPJ_UINT32 i;
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
opj_tccp_t *l_tccp0 = NULL;
opj_tccp_t *l_tccp1 = NULL;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp0 = &l_tcp->tccps[p_first_comp_no];
l_tccp1 = &l_tcp->tccps[p_second_comp_no];
if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
return OPJ_FALSE;
}
if (l_tccp0->cblkw != l_tccp1->cblkw) {
return OPJ_FALSE;
}
if (l_tccp0->cblkh != l_tccp1->cblkh) {
return OPJ_FALSE;
}
if (l_tccp0->cblksty != l_tccp1->cblksty) {
return OPJ_FALSE;
}
if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
return OPJ_FALSE;
}
if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
return OPJ_FALSE;
}
for (i = 0U; i < l_tccp0->numresolutions; ++i) {
if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
return OPJ_FALSE;
}
if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_header_size,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 i;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_header_size != 00);
assert(p_manager != 00);
assert(p_data != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp = &l_tcp->tccps[p_comp_no];
/* preconditions again */
assert(p_tile_no < (l_cp->tw * l_cp->th));
assert(p_comp_no < (p_j2k->m_private_image->numcomps));
if (*p_header_size < 5) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
return OPJ_FALSE;
}
opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
++p_data;
opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
++p_data;
opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
++p_data;
opj_write_bytes(p_data, l_tccp->cblksty,
1); /* SPcoc (G) */
++p_data;
opj_write_bytes(p_data, l_tccp->qmfbid,
1); /* SPcoc (H) */
++p_data;
*p_header_size = *p_header_size - 5;
if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
if (*p_header_size < l_tccp->numresolutions) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
return OPJ_FALSE;
}
for (i = 0; i < l_tccp->numresolutions; ++i) {
opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
1); /* SPcoc (I_i) */
++p_data;
}
*p_header_size = *p_header_size - l_tccp->numresolutions;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
OPJ_UINT32 compno,
OPJ_BYTE * p_header_data,
OPJ_UINT32 * p_header_size,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i, l_tmp;
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
opj_tccp_t *l_tccp = NULL;
OPJ_BYTE * l_current_ptr = NULL;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_header_data != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
/* precondition again */
assert(compno < p_j2k->m_private_image->numcomps);
l_tccp = &l_tcp->tccps[compno];
l_current_ptr = p_header_data;
/* make sure room is sufficient */
if (*p_header_size < 5) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
return OPJ_FALSE;
}
opj_read_bytes(l_current_ptr, &l_tccp->numresolutions,
1); /* SPcox (D) */
++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
opj_event_msg(p_manager, EVT_ERROR,
"Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
return OPJ_FALSE;
}
++l_current_ptr;
/* If user wants to remove more resolutions than the codestream contains, return error */
if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
opj_event_msg(p_manager, EVT_ERROR,
"Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
"of resolutions of this component\nModify the cp_reduce parameter.\n\n",
compno);
p_j2k->m_specific_param.m_decoder.m_state |=
0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
return OPJ_FALSE;
}
opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1); /* SPcoc (E) */
++l_current_ptr;
l_tccp->cblkw += 2;
opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1); /* SPcoc (F) */
++l_current_ptr;
l_tccp->cblkh += 2;
if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
opj_event_msg(p_manager, EVT_ERROR,
"Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
return OPJ_FALSE;
}
opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1); /* SPcoc (G) */
++l_current_ptr;
if (l_tccp->cblksty & 0xC0U) { /* 2 msb are reserved, assume we can't read */
opj_event_msg(p_manager, EVT_ERROR,
"Error reading SPCod SPCoc element, Invalid code-block style found\n");
return OPJ_FALSE;
}
opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1); /* SPcoc (H) */
++l_current_ptr;
*p_header_size = *p_header_size - 5;
/* use custom precinct size ? */
if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
if (*p_header_size < l_tccp->numresolutions) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
return OPJ_FALSE;
}
for (i = 0; i < l_tccp->numresolutions; ++i) {
opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPcoc (I_i) */
++l_current_ptr;
/* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
return OPJ_FALSE;
}
l_tccp->prcw[i] = l_tmp & 0xf;
l_tccp->prch[i] = l_tmp >> 4;
}
*p_header_size = *p_header_size - l_tccp->numresolutions;
} else {
/* set default size for the precinct width and height */
for (i = 0; i < l_tccp->numresolutions; ++i) {
l_tccp->prcw[i] = 15;
l_tccp->prch[i] = 15;
}
}
#ifdef WIP_REMOVE_MSD
/* INDEX >> */
if (p_j2k->cstr_info && compno == 0) {
OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
l_tccp->cblkh;
p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
l_tccp->cblkw;
p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
= l_tccp->numresolutions;
p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
l_tccp->cblksty;
p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
l_tccp->qmfbid;
memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
l_data_size);
memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
l_data_size);
}
/* << INDEX */
#endif
return OPJ_TRUE;
}
static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
{
/* loop */
OPJ_UINT32 i;
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
OPJ_UINT32 l_prc_size;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
l_ref_tccp = &l_tcp->tccps[0];
l_copied_tccp = l_ref_tccp + 1;
l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
l_copied_tccp->cblkw = l_ref_tccp->cblkw;
l_copied_tccp->cblkh = l_ref_tccp->cblkh;
l_copied_tccp->cblksty = l_ref_tccp->cblksty;
l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
++l_copied_tccp;
}
}
static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no)
{
OPJ_UINT32 l_num_bands;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp = &l_tcp->tccps[p_comp_no];
/* preconditions again */
assert(p_tile_no < l_cp->tw * l_cp->th);
assert(p_comp_no < p_j2k->m_private_image->numcomps);
l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
(l_tccp->numresolutions * 3 - 2);
if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
return 1 + l_num_bands;
} else {
return 1 + 2 * l_num_bands;
}
}
static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
{
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
opj_tccp_t *l_tccp0 = NULL;
opj_tccp_t *l_tccp1 = NULL;
OPJ_UINT32 l_band_no, l_num_bands;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp0 = &l_tcp->tccps[p_first_comp_no];
l_tccp1 = &l_tcp->tccps[p_second_comp_no];
if (l_tccp0->qntsty != l_tccp1->qntsty) {
return OPJ_FALSE;
}
if (l_tccp0->numgbits != l_tccp1->numgbits) {
return OPJ_FALSE;
}
if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
l_num_bands = 1U;
} else {
l_num_bands = l_tccp0->numresolutions * 3U - 2U;
if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
return OPJ_FALSE;
}
}
for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
return OPJ_FALSE;
}
}
if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
return OPJ_FALSE;
}
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_header_size,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 l_header_size;
OPJ_UINT32 l_band_no, l_num_bands;
OPJ_UINT32 l_expn, l_mant;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_header_size != 00);
assert(p_manager != 00);
assert(p_data != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_tile_no];
l_tccp = &l_tcp->tccps[p_comp_no];
/* preconditions again */
assert(p_tile_no < l_cp->tw * l_cp->th);
assert(p_comp_no < p_j2k->m_private_image->numcomps);
l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
(l_tccp->numresolutions * 3 - 2);
if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
l_header_size = 1 + l_num_bands;
if (*p_header_size < l_header_size) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
return OPJ_FALSE;
}
opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
1); /* Sqcx */
++p_data;
for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
++p_data;
}
} else {
l_header_size = 1 + 2 * l_num_bands;
if (*p_header_size < l_header_size) {
opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
return OPJ_FALSE;
}
opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
1); /* Sqcx */
++p_data;
for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
p_data += 2;
}
}
*p_header_size = *p_header_size - l_header_size;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
OPJ_UINT32 p_comp_no,
OPJ_BYTE* p_header_data,
OPJ_UINT32 * p_header_size,
opj_event_mgr_t * p_manager
)
{
/* loop*/
OPJ_UINT32 l_band_no;
opj_cp_t *l_cp = 00;
opj_tcp_t *l_tcp = 00;
opj_tccp_t *l_tccp = 00;
OPJ_BYTE * l_current_ptr = 00;
OPJ_UINT32 l_tmp, l_num_band;
/* preconditions*/
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_header_data != 00);
l_cp = &(p_j2k->m_cp);
/* come from tile part header or main header ?*/
l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
/* precondition again*/
assert(p_comp_no < p_j2k->m_private_image->numcomps);
l_tccp = &l_tcp->tccps[p_comp_no];
l_current_ptr = p_header_data;
if (*p_header_size < 1) {
opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
return OPJ_FALSE;
}
*p_header_size -= 1;
opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
++l_current_ptr;
l_tccp->qntsty = l_tmp & 0x1f;
l_tccp->numgbits = l_tmp >> 5;
if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
l_num_band = 1;
} else {
l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
(*p_header_size) :
(*p_header_size) / 2;
if (l_num_band > OPJ_J2K_MAXBANDS) {
opj_event_msg(p_manager, EVT_WARNING,
"While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
"number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
"OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
OPJ_J2K_MAXBANDS);
/*return OPJ_FALSE;*/
}
}
#ifdef USE_JPWL
if (l_cp->correct) {
/* if JPWL is on, we check whether there are too many subbands */
if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: bad number of subbands in Sqcx (%d)\n",
l_num_band);
if (!JPWL_ASSUME) {
opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
l_num_band = 1;
opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
"- setting number of bands to %d => HYPOTHESIS!!!\n",
l_num_band);
};
};
#endif /* USE_JPWL */
if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
++l_current_ptr;
if (l_band_no < OPJ_J2K_MAXBANDS) {
l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
l_tccp->stepsizes[l_band_no].mant = 0;
}
}
*p_header_size = *p_header_size - l_num_band;
} else {
for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
l_current_ptr += 2;
if (l_band_no < OPJ_J2K_MAXBANDS) {
l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
}
}
*p_header_size = *p_header_size - 2 * l_num_band;
}
/* Add Antonin : if scalar_derived -> compute other stepsizes */
if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
l_tccp->stepsizes[l_band_no].expn =
((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
?
(OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
}
}
return OPJ_TRUE;
}
static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
{
OPJ_UINT32 i;
opj_cp_t *l_cp = NULL;
opj_tcp_t *l_tcp = NULL;
opj_tccp_t *l_ref_tccp = NULL;
opj_tccp_t *l_copied_tccp = NULL;
OPJ_UINT32 l_size;
/* preconditions */
assert(p_j2k != 00);
l_cp = &(p_j2k->m_cp);
l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
&l_cp->tcps[p_j2k->m_current_tile_number] :
p_j2k->m_specific_param.m_decoder.m_default_tcp;
l_ref_tccp = &l_tcp->tccps[0];
l_copied_tccp = l_ref_tccp + 1;
l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
l_copied_tccp->qntsty = l_ref_tccp->qntsty;
l_copied_tccp->numgbits = l_ref_tccp->numgbits;
memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
++l_copied_tccp;
}
}
static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
OPJ_INT32 numcomps, FILE* out_stream)
{
if (l_default_tile) {
OPJ_INT32 compno;
fprintf(out_stream, "\t default tile {\n");
fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
for (compno = 0; compno < numcomps; compno++) {
opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
OPJ_UINT32 resno;
OPJ_INT32 bandno, numbands;
/* coding style*/
fprintf(out_stream, "\t\t comp %d {\n", compno);
fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
for (resno = 0; resno < l_tccp->numresolutions; resno++) {
fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
}
fprintf(out_stream, "\n");
/* quantization style*/
fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
(OPJ_INT32)l_tccp->numresolutions * 3 - 2;
for (bandno = 0; bandno < numbands; bandno++) {
fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
l_tccp->stepsizes[bandno].expn);
}
fprintf(out_stream, "\n");
/* RGN value*/
fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
fprintf(out_stream, "\t\t }\n");
} /*end of component of default tile*/
fprintf(out_stream, "\t }\n"); /*end of default tile*/
}
}
void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
{
/* Check if the flag is compatible with j2k file*/
if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
fprintf(out_stream, "Wrong flag\n");
return;
}
/* Dump the image_header */
if (flag & OPJ_IMG_INFO) {
if (p_j2k->m_private_image) {
j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
}
}
/* Dump the codestream info from main header */
if (flag & OPJ_J2K_MH_INFO) {
if (p_j2k->m_private_image) {
opj_j2k_dump_MH_info(p_j2k, out_stream);
}
}
/* Dump all tile/codestream info */
if (flag & OPJ_J2K_TCH_INFO) {
OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
OPJ_UINT32 i;
opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
if (p_j2k->m_private_image) {
for (i = 0; i < l_nb_tiles; ++i) {
opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
out_stream);
++l_tcp;
}
}
}
/* Dump the codestream info of the current tile */
if (flag & OPJ_J2K_TH_INFO) {
}
/* Dump the codestream index from main header */
if (flag & OPJ_J2K_MH_IND) {
opj_j2k_dump_MH_index(p_j2k, out_stream);
}
/* Dump the codestream index of the current tile */
if (flag & OPJ_J2K_TH_IND) {
}
}
static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
{
opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
OPJ_UINT32 it_marker, it_tile, it_tile_part;
fprintf(out_stream, "Codestream index from main header: {\n");
fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
"\t Main header end position=%" PRIi64 "\n",
cstr_index->main_head_start, cstr_index->main_head_end);
fprintf(out_stream, "\t Marker list: {\n");
if (cstr_index->marker) {
for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
cstr_index->marker[it_marker].type,
cstr_index->marker[it_marker].pos,
cstr_index->marker[it_marker].len);
}
}
fprintf(out_stream, "\t }\n");
if (cstr_index->tile_index) {
/* Simple test to avoid to write empty information*/
OPJ_UINT32 l_acc_nb_of_tile_part = 0;
for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
}
if (l_acc_nb_of_tile_part) {
fprintf(out_stream, "\t Tile index: {\n");
for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
nb_of_tile_part);
if (cstr_index->tile_index[it_tile].tp_index) {
for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
PRIi64 ", end_pos=%" PRIi64 ".\n",
it_tile_part,
cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
}
}
if (cstr_index->tile_index[it_tile].marker) {
for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
it_marker++) {
fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
cstr_index->tile_index[it_tile].marker[it_marker].type,
cstr_index->tile_index[it_tile].marker[it_marker].pos,
cstr_index->tile_index[it_tile].marker[it_marker].len);
}
}
}
fprintf(out_stream, "\t }\n");
}
}
fprintf(out_stream, "}\n");
}
static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
{
fprintf(out_stream, "Codestream info from main header: {\n");
fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
(OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
fprintf(out_stream, "}\n");
}
void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
FILE* out_stream)
{
char tab[2];
if (dev_dump_flag) {
fprintf(stdout, "[DEV] Dump an image_header struct {\n");
tab[0] = '\0';
} else {
fprintf(out_stream, "Image info {\n");
tab[0] = '\t';
tab[1] = '\0';
}
fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
img_header->y1);
fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
if (img_header->comps) {
OPJ_UINT32 compno;
for (compno = 0; compno < img_header->numcomps; compno++) {
fprintf(out_stream, "%s\t component %d {\n", tab, compno);
j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
out_stream);
fprintf(out_stream, "%s}\n", tab);
}
}
fprintf(out_stream, "}\n");
}
void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
OPJ_BOOL dev_dump_flag, FILE* out_stream)
{
char tab[3];
if (dev_dump_flag) {
fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
tab[0] = '\0';
} else {
tab[0] = '\t';
tab[1] = '\t';
tab[2] = '\0';
}
fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
if (dev_dump_flag) {
fprintf(out_stream, "}\n");
}
}
opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
{
OPJ_UINT32 compno;
OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
opj_tcp_t *l_default_tile;
opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
sizeof(opj_codestream_info_v2_t));
if (!cstr_info) {
return NULL;
}
cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
cstr_info->tx0 = p_j2k->m_cp.tx0;
cstr_info->ty0 = p_j2k->m_cp.ty0;
cstr_info->tdx = p_j2k->m_cp.tdx;
cstr_info->tdy = p_j2k->m_cp.tdy;
cstr_info->tw = p_j2k->m_cp.tw;
cstr_info->th = p_j2k->m_cp.th;
cstr_info->tile_info = NULL; /* Not fill from the main header*/
l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
cstr_info->m_default_tile_info.csty = l_default_tile->csty;
cstr_info->m_default_tile_info.prg = l_default_tile->prg;
cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
cstr_info->m_default_tile_info.mct = l_default_tile->mct;
cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
cstr_info->nbcomps, sizeof(opj_tccp_info_t));
if (!cstr_info->m_default_tile_info.tccp_info) {
opj_destroy_cstr_info(&cstr_info);
return NULL;
}
for (compno = 0; compno < numcomps; compno++) {
opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
opj_tccp_info_t *l_tccp_info = &
(cstr_info->m_default_tile_info.tccp_info[compno]);
OPJ_INT32 bandno, numbands;
/* coding style*/
l_tccp_info->csty = l_tccp->csty;
l_tccp_info->numresolutions = l_tccp->numresolutions;
l_tccp_info->cblkw = l_tccp->cblkw;
l_tccp_info->cblkh = l_tccp->cblkh;
l_tccp_info->cblksty = l_tccp->cblksty;
l_tccp_info->qmfbid = l_tccp->qmfbid;
if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
}
/* quantization style*/
l_tccp_info->qntsty = l_tccp->qntsty;
l_tccp_info->numgbits = l_tccp->numgbits;
numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
(OPJ_INT32)l_tccp->numresolutions * 3 - 2;
if (numbands < OPJ_J2K_MAXBANDS) {
for (bandno = 0; bandno < numbands; bandno++) {
l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
l_tccp->stepsizes[bandno].mant;
l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
l_tccp->stepsizes[bandno].expn;
}
}
/* RGN value*/
l_tccp_info->roishift = l_tccp->roishift;
}
return cstr_info;
}
opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
{
opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
opj_calloc(1, sizeof(opj_codestream_index_t));
if (!l_cstr_index) {
return NULL;
}
l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
l_cstr_index->marknum = p_j2k->cstr_index->marknum;
l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
sizeof(opj_marker_info_t));
if (!l_cstr_index->marker) {
opj_free(l_cstr_index);
return NULL;
}
if (p_j2k->cstr_index->marker) {
memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
l_cstr_index->marknum * sizeof(opj_marker_info_t));
} else {
opj_free(l_cstr_index->marker);
l_cstr_index->marker = NULL;
}
l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
if (!l_cstr_index->tile_index) {
opj_free(l_cstr_index->marker);
opj_free(l_cstr_index);
return NULL;
}
if (!p_j2k->cstr_index->tile_index) {
opj_free(l_cstr_index->tile_index);
l_cstr_index->tile_index = NULL;
} else {
OPJ_UINT32 it_tile = 0;
for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
/* Tile Marker*/
l_cstr_index->tile_index[it_tile].marknum =
p_j2k->cstr_index->tile_index[it_tile].marknum;
l_cstr_index->tile_index[it_tile].marker =
(opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
sizeof(opj_marker_info_t));
if (!l_cstr_index->tile_index[it_tile].marker) {
OPJ_UINT32 it_tile_free;
for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
opj_free(l_cstr_index->tile_index[it_tile_free].marker);
}
opj_free(l_cstr_index->tile_index);
opj_free(l_cstr_index->marker);
opj_free(l_cstr_index);
return NULL;
}
if (p_j2k->cstr_index->tile_index[it_tile].marker)
memcpy(l_cstr_index->tile_index[it_tile].marker,
p_j2k->cstr_index->tile_index[it_tile].marker,
l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
else {
opj_free(l_cstr_index->tile_index[it_tile].marker);
l_cstr_index->tile_index[it_tile].marker = NULL;
}
/* Tile part index*/
l_cstr_index->tile_index[it_tile].nb_tps =
p_j2k->cstr_index->tile_index[it_tile].nb_tps;
l_cstr_index->tile_index[it_tile].tp_index =
(opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
opj_tp_index_t));
if (!l_cstr_index->tile_index[it_tile].tp_index) {
OPJ_UINT32 it_tile_free;
for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
opj_free(l_cstr_index->tile_index[it_tile_free].marker);
opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
}
opj_free(l_cstr_index->tile_index);
opj_free(l_cstr_index->marker);
opj_free(l_cstr_index);
return NULL;
}
if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
memcpy(l_cstr_index->tile_index[it_tile].tp_index,
p_j2k->cstr_index->tile_index[it_tile].tp_index,
l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
} else {
opj_free(l_cstr_index->tile_index[it_tile].tp_index);
l_cstr_index->tile_index[it_tile].tp_index = NULL;
}
/* Packet index (NOT USED)*/
l_cstr_index->tile_index[it_tile].nb_packet = 0;
l_cstr_index->tile_index[it_tile].packet_index = NULL;
}
}
return l_cstr_index;
}
static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
{
OPJ_UINT32 it_tile = 0;
p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
if (!p_j2k->cstr_index->tile_index) {
return OPJ_FALSE;
}
for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
sizeof(opj_marker_info_t));
if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_BOOL l_go_on = OPJ_TRUE;
OPJ_UINT32 l_current_tile_no;
OPJ_UINT32 l_data_size, l_max_data_size;
OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
OPJ_UINT32 l_nb_comps;
OPJ_BYTE * l_current_data;
OPJ_UINT32 nr_tiles = 0;
l_current_data = (OPJ_BYTE*)opj_malloc(1000);
if (! l_current_data) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tiles\n");
return OPJ_FALSE;
}
l_max_data_size = 1000;
for (;;) {
if (! opj_j2k_read_tile_header(p_j2k,
&l_current_tile_no,
&l_data_size,
&l_tile_x0, &l_tile_y0,
&l_tile_x1, &l_tile_y1,
&l_nb_comps,
&l_go_on,
p_stream,
p_manager)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
if (! l_go_on) {
break;
}
if (l_data_size > l_max_data_size) {
OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
l_data_size);
if (! l_new_current_data) {
opj_free(l_current_data);
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile %d/%d\n",
l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
return OPJ_FALSE;
}
l_current_data = l_new_current_data;
l_max_data_size = l_data_size;
}
if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, l_current_data, l_data_size,
p_stream, p_manager)) {
opj_free(l_current_data);
opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
if (! opj_j2k_update_image_data(p_j2k->m_tcd, l_current_data,
p_j2k->m_output_image)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO,
"Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
if (opj_stream_get_number_byte_left(p_stream) == 0
&& p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
break;
}
if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
break;
}
}
opj_free(l_current_data);
return OPJ_TRUE;
}
/**
* Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
*/
static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions*/
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_decode_tiles, p_manager)) {
return OPJ_FALSE;
}
/* DEVELOPER CORNER, add your custom procedures */
return OPJ_TRUE;
}
/*
* Read and decode one tile.
*/
static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_BOOL l_go_on = OPJ_TRUE;
OPJ_UINT32 l_current_tile_no;
OPJ_UINT32 l_tile_no_to_dec;
OPJ_UINT32 l_data_size, l_max_data_size;
OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
OPJ_UINT32 l_nb_comps;
OPJ_BYTE * l_current_data;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 i;
l_current_data = (OPJ_BYTE*)opj_malloc(1000);
if (! l_current_data) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode one tile\n");
return OPJ_FALSE;
}
l_max_data_size = 1000;
/*Allocate and initialize some elements of codestrem index if not already done*/
if (!p_j2k->cstr_index->tile_index) {
if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
}
/* Move into the codestream to the first SOT used to decode the desired tile */
l_tile_no_to_dec = (OPJ_UINT32)
p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
if (p_j2k->cstr_index->tile_index)
if (p_j2k->cstr_index->tile_index->tp_index) {
if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
/* the index for this tile has not been built,
* so move to the last SOT read */
if (!(opj_stream_read_seek(p_stream,
p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
opj_free(l_current_data);
return OPJ_FALSE;
}
} else {
if (!(opj_stream_read_seek(p_stream,
p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
p_manager))) {
opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
opj_free(l_current_data);
return OPJ_FALSE;
}
}
/* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
}
}
/* Reset current tile part number for all tiles, and not only the one */
/* of interest. */
/* Not completely sure this is always correct but required for */
/* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
for (i = 0; i < l_nb_tiles; ++i) {
p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
}
for (;;) {
if (! opj_j2k_read_tile_header(p_j2k,
&l_current_tile_no,
&l_data_size,
&l_tile_x0, &l_tile_y0,
&l_tile_x1, &l_tile_y1,
&l_nb_comps,
&l_go_on,
p_stream,
p_manager)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
if (! l_go_on) {
break;
}
if (l_data_size > l_max_data_size) {
OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
l_data_size);
if (! l_new_current_data) {
opj_free(l_current_data);
l_current_data = NULL;
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile %d/%d\n",
l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
return OPJ_FALSE;
}
l_current_data = l_new_current_data;
l_max_data_size = l_data_size;
}
if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, l_current_data, l_data_size,
p_stream, p_manager)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
if (! opj_j2k_update_image_data(p_j2k->m_tcd, l_current_data,
p_j2k->m_output_image)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO,
"Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
if (l_current_tile_no == l_tile_no_to_dec) {
/* move into the codestream to the first SOT (FIXME or not move?)*/
if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
p_manager))) {
opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
opj_free(l_current_data);
return OPJ_FALSE;
}
break;
} else {
opj_event_msg(p_manager, EVT_WARNING,
"Tile read, decoded and updated is not the desired one (%d vs %d).\n",
l_current_tile_no + 1, l_tile_no_to_dec + 1);
}
}
opj_free(l_current_data);
return OPJ_TRUE;
}
/**
* Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
*/
static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions*/
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
return OPJ_FALSE;
}
/* DEVELOPER CORNER, add your custom procedures */
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
opj_stream_private_t * p_stream,
opj_image_t * p_image,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 compno;
if (!p_image) {
return OPJ_FALSE;
}
p_j2k->m_output_image = opj_image_create0();
if (!(p_j2k->m_output_image)) {
return OPJ_FALSE;
}
opj_copy_image_header(p_image, p_j2k->m_output_image);
/* customization of the decoding */
opj_j2k_setup_decoding(p_j2k, p_manager);
/* Decode the codestream */
if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
return OPJ_FALSE;
}
/* Move data and copy one information from codec to output image*/
for (compno = 0; compno < p_image->numcomps; compno++) {
p_image->comps[compno].resno_decoded =
p_j2k->m_output_image->comps[compno].resno_decoded;
p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
#if 0
char fn[256];
sprintf(fn, "/tmp/%d.raw", compno);
FILE *debug = fopen(fn, "wb");
fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
p_image->comps[compno].w * p_image->comps[compno].h, debug);
fclose(debug);
#endif
p_j2k->m_output_image->comps[compno].data = NULL;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_image_t* p_image,
opj_event_mgr_t * p_manager,
OPJ_UINT32 tile_index)
{
OPJ_UINT32 compno;
OPJ_UINT32 l_tile_x, l_tile_y;
opj_image_comp_t* l_img_comp;
if (!p_image) {
opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
return OPJ_FALSE;
}
if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
opj_event_msg(p_manager, EVT_ERROR,
"Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
(p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
return OPJ_FALSE;
}
/* Compute the dimension of the desired tile*/
l_tile_x = tile_index % p_j2k->m_cp.tw;
l_tile_y = tile_index / p_j2k->m_cp.tw;
p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
if (p_image->x0 < p_j2k->m_private_image->x0) {
p_image->x0 = p_j2k->m_private_image->x0;
}
p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
if (p_image->x1 > p_j2k->m_private_image->x1) {
p_image->x1 = p_j2k->m_private_image->x1;
}
p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
if (p_image->y0 < p_j2k->m_private_image->y0) {
p_image->y0 = p_j2k->m_private_image->y0;
}
p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
if (p_image->y1 > p_j2k->m_private_image->y1) {
p_image->y1 = p_j2k->m_private_image->y1;
}
l_img_comp = p_image->comps;
for (compno = 0; compno < p_image->numcomps; ++compno) {
OPJ_INT32 l_comp_x1, l_comp_y1;
l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
(OPJ_INT32)l_img_comp->dx);
l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
(OPJ_INT32)l_img_comp->dy);
l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
(OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
(OPJ_INT32)l_img_comp->factor));
l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
(OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
(OPJ_INT32)l_img_comp->factor));
l_img_comp++;
}
/* Destroy the previous output image*/
if (p_j2k->m_output_image) {
opj_image_destroy(p_j2k->m_output_image);
}
/* Create the ouput image from the information previously computed*/
p_j2k->m_output_image = opj_image_create0();
if (!(p_j2k->m_output_image)) {
return OPJ_FALSE;
}
opj_copy_image_header(p_image, p_j2k->m_output_image);
p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
/* customization of the decoding */
opj_j2k_setup_decoding_tile(p_j2k, p_manager);
/* Decode the codestream */
if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
opj_image_destroy(p_j2k->m_private_image);
p_j2k->m_private_image = NULL;
return OPJ_FALSE;
}
/* Move data and copy one information from codec to output image*/
for (compno = 0; compno < p_image->numcomps; compno++) {
p_image->comps[compno].resno_decoded =
p_j2k->m_output_image->comps[compno].resno_decoded;
if (p_image->comps[compno].data) {
opj_free(p_image->comps[compno].data);
}
p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
p_j2k->m_output_image->comps[compno].data = NULL;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
OPJ_UINT32 res_factor,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 it_comp;
p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
if (p_j2k->m_private_image) {
if (p_j2k->m_private_image->comps) {
if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
OPJ_UINT32 max_res =
p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
if (res_factor >= max_res) {
opj_event_msg(p_manager, EVT_ERROR,
"Resolution factor is greater than the maximum resolution in the component.\n");
return OPJ_FALSE;
}
p_j2k->m_private_image->comps[it_comp].factor = res_factor;
}
return OPJ_TRUE;
}
}
}
}
return OPJ_FALSE;
}
OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i, j;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_max_tile_size = 0, l_current_tile_size;
OPJ_BYTE * l_current_data = 00;
OPJ_BOOL l_reuse_data = OPJ_FALSE;
opj_tcd_t* p_tcd = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
p_tcd = p_j2k->m_tcd;
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
if (l_nb_tiles == 1) {
l_reuse_data = OPJ_TRUE;
#ifdef __SSE__
for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
if (((size_t)l_img_comp->data & 0xFU) !=
0U) { /* tile data shall be aligned on 16 bytes */
l_reuse_data = OPJ_FALSE;
}
}
#endif
}
for (i = 0; i < l_nb_tiles; ++i) {
if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
if (l_current_data) {
opj_free(l_current_data);
}
return OPJ_FALSE;
}
/* if we only have one tile, then simply set tile component data equal to image component data */
/* otherwise, allocate the data */
for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
if (l_reuse_data) {
opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
l_tilec->data = l_img_comp->data;
l_tilec->ownsData = OPJ_FALSE;
} else {
if (! opj_alloc_tile_component_data(l_tilec)) {
opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
if (l_current_data) {
opj_free(l_current_data);
}
return OPJ_FALSE;
}
}
}
l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
if (!l_reuse_data) {
if (l_current_tile_size > l_max_tile_size) {
OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
l_current_tile_size);
if (! l_new_current_data) {
if (l_current_data) {
opj_free(l_current_data);
}
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
return OPJ_FALSE;
}
l_current_data = l_new_current_data;
l_max_tile_size = l_current_tile_size;
}
/* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
/* 32 bit components @ 8 bit precision get converted to 8 bit */
/* 32 bit components @ 16 bit precision get converted to 16 bit */
opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
/* now copy this data into the tile component */
if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
l_current_tile_size)) {
opj_event_msg(p_manager, EVT_ERROR,
"Size mismatch between tile data and sent data.");
opj_free(l_current_data);
return OPJ_FALSE;
}
}
if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
if (l_current_data) {
opj_free(l_current_data);
}
return OPJ_FALSE;
}
}
if (l_current_data) {
opj_free(l_current_data);
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
/* customization of the encoding */
if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
return OPJ_FALSE;
}
if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_image_t * p_image,
opj_event_mgr_t * p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
p_j2k->m_private_image = opj_image_create0();
if (! p_j2k->m_private_image) {
opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
return OPJ_FALSE;
}
opj_copy_image_header(p_image, p_j2k->m_private_image);
/* TODO_MSD: Find a better way */
if (p_image->comps) {
OPJ_UINT32 it_comp;
for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
if (p_image->comps[it_comp].data) {
p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
p_image->comps[it_comp].data = NULL;
}
}
}
/* customization of the validation */
if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
return OPJ_FALSE;
}
/* validation of the parameters codec */
if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
return OPJ_FALSE;
}
/* customization of the encoding */
if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
return OPJ_FALSE;
}
/* write header */
if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
OPJ_UINT32 p_tile_index,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
(void)p_stream;
if (p_tile_index != p_j2k->m_current_tile_number) {
opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
return OPJ_FALSE;
}
opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
/* initialisation before tile encoding */
if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static void opj_get_tile_dimensions(opj_image_t * l_image,
opj_tcd_tilecomp_t * l_tilec,
opj_image_comp_t * l_img_comp,
OPJ_UINT32* l_size_comp,
OPJ_UINT32* l_width,
OPJ_UINT32* l_height,
OPJ_UINT32* l_offset_x,
OPJ_UINT32* l_offset_y,
OPJ_UINT32* l_image_width,
OPJ_UINT32* l_stride,
OPJ_UINT32* l_tile_offset)
{
OPJ_UINT32 l_remaining;
*l_size_comp = l_img_comp->prec >> 3; /* (/8) */
l_remaining = l_img_comp->prec & 7; /* (%8) */
if (l_remaining) {
*l_size_comp += 1;
}
if (*l_size_comp == 3) {
*l_size_comp = 4;
}
*l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
*l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
*l_offset_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x0,
(OPJ_INT32)l_img_comp->dx);
*l_offset_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->y0,
(OPJ_INT32)l_img_comp->dy);
*l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
(OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
*l_stride = *l_image_width - *l_width;
*l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
}
static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
{
OPJ_UINT32 i, j, k = 0;
for (i = 0; i < p_tcd->image->numcomps; ++i) {
opj_image_t * l_image = p_tcd->image;
OPJ_INT32 * l_src_ptr;
opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
opj_image_comp_t * l_img_comp = l_image->comps + i;
OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
l_image_width, l_stride, l_tile_offset;
opj_get_tile_dimensions(l_image,
l_tilec,
l_img_comp,
&l_size_comp,
&l_width,
&l_height,
&l_offset_x,
&l_offset_y,
&l_image_width,
&l_stride,
&l_tile_offset);
l_src_ptr = l_img_comp->data + l_tile_offset;
switch (l_size_comp) {
case 1: {
OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
if (l_img_comp->sgnd) {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
++l_dest_ptr;
++l_src_ptr;
}
l_src_ptr += l_stride;
}
} else {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
++l_dest_ptr;
++l_src_ptr;
}
l_src_ptr += l_stride;
}
}
p_data = (OPJ_BYTE*) l_dest_ptr;
}
break;
case 2: {
OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
if (l_img_comp->sgnd) {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
}
l_src_ptr += l_stride;
}
} else {
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
}
l_src_ptr += l_stride;
}
}
p_data = (OPJ_BYTE*) l_dest_ptr;
}
break;
case 4: {
OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
for (j = 0; j < l_height; ++j) {
for (k = 0; k < l_width; ++k) {
*(l_dest_ptr++) = *(l_src_ptr++);
}
l_src_ptr += l_stride;
}
p_data = (OPJ_BYTE*) l_dest_ptr;
}
break;
}
}
}
static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 l_nb_bytes_written;
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_tile_size = 0;
OPJ_UINT32 l_available_data;
/* preconditions */
assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
l_available_data = l_tile_size;
l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
l_nb_bytes_written = 0;
if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
l_available_data, p_stream, p_manager)) {
return OPJ_FALSE;
}
l_current_data += l_nb_bytes_written;
l_available_data -= l_nb_bytes_written;
l_nb_bytes_written = 0;
if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
l_available_data, p_stream, p_manager)) {
return OPJ_FALSE;
}
l_available_data -= l_nb_bytes_written;
l_nb_bytes_written = l_tile_size - l_available_data;
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
return OPJ_FALSE;
}
++p_j2k->m_current_tile_number;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
/* DEVELOPER CORNER, insert your custom procedures */
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_eoc, p_manager)) {
return OPJ_FALSE;
}
if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
return OPJ_FALSE;
}
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_epc, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_end_encoding, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
(opj_procedure)opj_j2k_build_encoder, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
(opj_procedure)opj_j2k_encoding_validation, p_manager)) {
return OPJ_FALSE;
}
/* DEVELOPER CORNER, add your custom validation procedure */
if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
(opj_procedure)opj_j2k_mct_validation, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
opj_event_mgr_t * p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_init_info, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_soc, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_siz, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_cod, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_qcd, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_all_coc, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
return OPJ_FALSE;
}
if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_tlm, p_manager)) {
return OPJ_FALSE;
}
if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_poc, p_manager)) {
return OPJ_FALSE;
}
}
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_regions, p_manager)) {
return OPJ_FALSE;
}
if (p_j2k->m_cp.comment != 00) {
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_com, p_manager)) {
return OPJ_FALSE;
}
}
/* DEVELOPER CORNER, insert your custom procedures */
if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) {
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
return OPJ_FALSE;
}
}
/* End of Developer Corner */
if (p_j2k->cstr_index) {
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_get_end_header, p_manager)) {
return OPJ_FALSE;
}
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_create_tcd, p_manager)) {
return OPJ_FALSE;
}
if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
(opj_procedure)opj_j2k_update_rates, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_total_data_size,
opj_stream_private_t *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 l_nb_bytes_written = 0;
OPJ_UINT32 l_current_nb_bytes_written;
OPJ_BYTE * l_begin_data = 00;
opj_tcd_t * l_tcd = 00;
opj_cp_t * l_cp = 00;
l_tcd = p_j2k->m_tcd;
l_cp = &(p_j2k->m_cp);
l_tcd->cur_pino = 0;
/*Get number of tile parts*/
p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
/* INDEX >> */
/* << INDEX */
l_current_nb_bytes_written = 0;
l_begin_data = p_data;
if (! opj_j2k_write_sot(p_j2k, p_data, &l_current_nb_bytes_written, p_stream,
p_manager)) {
return OPJ_FALSE;
}
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
#if 0
for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
l_current_nb_bytes_written = 0;
opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
p_manager);
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
l_current_nb_bytes_written = 0;
opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
p_manager);
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
}
#endif
if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
l_current_nb_bytes_written = 0;
opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
p_manager);
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
}
}
l_current_nb_bytes_written = 0;
if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
p_total_data_size, p_stream, p_manager)) {
return OPJ_FALSE;
}
l_nb_bytes_written += l_current_nb_bytes_written;
* p_data_written = l_nb_bytes_written;
/* Writing Psot in SOT marker */
opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
4); /* PSOT */
if (OPJ_IS_CINEMA(l_cp->rsiz)) {
opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_total_data_size,
opj_stream_private_t *p_stream,
struct opj_event_mgr * p_manager
)
{
OPJ_UINT32 tilepartno = 0;
OPJ_UINT32 l_nb_bytes_written = 0;
OPJ_UINT32 l_current_nb_bytes_written;
OPJ_UINT32 l_part_tile_size;
OPJ_UINT32 tot_num_tp;
OPJ_UINT32 pino;
OPJ_BYTE * l_begin_data;
opj_tcp_t *l_tcp = 00;
opj_tcd_t * l_tcd = 00;
opj_cp_t * l_cp = 00;
l_tcd = p_j2k->m_tcd;
l_cp = &(p_j2k->m_cp);
l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
/*Get number of tile parts*/
tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
/* start writing remaining tile parts */
++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
l_current_nb_bytes_written = 0;
l_part_tile_size = 0;
l_begin_data = p_data;
if (! opj_j2k_write_sot(p_j2k, p_data, &l_current_nb_bytes_written, p_stream,
p_manager)) {
return OPJ_FALSE;
}
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
l_part_tile_size += l_current_nb_bytes_written;
l_current_nb_bytes_written = 0;
if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
p_total_data_size, p_stream, p_manager)) {
return OPJ_FALSE;
}
p_data += l_current_nb_bytes_written;
l_nb_bytes_written += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
l_part_tile_size += l_current_nb_bytes_written;
/* Writing Psot in SOT marker */
opj_write_bytes(l_begin_data + 6, l_part_tile_size,
4); /* PSOT */
if (OPJ_IS_CINEMA(l_cp->rsiz)) {
opj_j2k_update_tlm(p_j2k, l_part_tile_size);
}
++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
}
for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
l_tcd->cur_pino = pino;
/*Get number of tile parts*/
tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
l_current_nb_bytes_written = 0;
l_part_tile_size = 0;
l_begin_data = p_data;
if (! opj_j2k_write_sot(p_j2k, p_data, &l_current_nb_bytes_written, p_stream,
p_manager)) {
return OPJ_FALSE;
}
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
l_part_tile_size += l_current_nb_bytes_written;
l_current_nb_bytes_written = 0;
if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
p_total_data_size, p_stream, p_manager)) {
return OPJ_FALSE;
}
l_nb_bytes_written += l_current_nb_bytes_written;
p_data += l_current_nb_bytes_written;
p_total_data_size -= l_current_nb_bytes_written;
l_part_tile_size += l_current_nb_bytes_written;
/* Writing Psot in SOT marker */
opj_write_bytes(l_begin_data + 6, l_part_tile_size,
4); /* PSOT */
if (OPJ_IS_CINEMA(l_cp->rsiz)) {
opj_j2k_update_tlm(p_j2k, l_part_tile_size);
}
++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
}
}
*p_data_written = l_nb_bytes_written;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
OPJ_UINT32 l_tlm_size;
OPJ_OFF_T l_tlm_position, l_current_position;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
l_current_position = opj_stream_tell(p_stream);
if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
return OPJ_FALSE;
}
if (opj_stream_write_data(p_stream,
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
p_manager) != l_tlm_size) {
return OPJ_FALSE;
}
if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_stream);
OPJ_UNUSED(p_manager);
opj_tcd_destroy(p_j2k->m_tcd);
p_j2k->m_tcd = 00;
if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
}
if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
}
p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
return OPJ_TRUE;
}
/**
* Destroys the memory associated with the decoding of headers.
*/
static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
OPJ_UNUSED(p_stream);
OPJ_UNUSED(p_manager);
if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
return OPJ_TRUE;
}
static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
struct opj_stream_private *p_stream,
struct opj_event_mgr * p_manager)
{
opj_codestream_info_t * l_cstr_info = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
(void)l_cstr_info;
OPJ_UNUSED(p_stream);
/* TODO mergeV2: check this part which use cstr_info */
/*l_cstr_info = p_j2k->cstr_info;
if (l_cstr_info) {
OPJ_UINT32 compno;
l_cstr_info->tile = (opj_tile_info_t *) opj_malloc(p_j2k->m_cp.tw * p_j2k->m_cp.th * sizeof(opj_tile_info_t));
l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
l_cstr_info->tw = p_j2k->m_cp.tw;
l_cstr_info->th = p_j2k->m_cp.th;
l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
/*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
/*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
/*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
/*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
}
l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
/*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
/*l_cstr_info->maxmarknum = 100;
l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
l_cstr_info->marknum = 0;
}*/
return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
&p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
p_manager);
}
/**
* Creates a tile-coder decoder.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
OPJ_UNUSED(p_stream);
p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
if (! p_j2k->m_tcd) {
opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
return OPJ_FALSE;
}
if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
p_j2k->m_tp)) {
opj_tcd_destroy(p_j2k->m_tcd);
p_j2k->m_tcd = 00;
return OPJ_FALSE;
}
return OPJ_TRUE;
}
OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
OPJ_UINT32 p_tile_index,
OPJ_BYTE * p_data,
OPJ_UINT32 p_data_size,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR,
"Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
return OPJ_FALSE;
} else {
OPJ_UINT32 j;
/* Allocate data */
for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
if (! opj_alloc_tile_component_data(l_tilec)) {
opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
return OPJ_FALSE;
}
}
/* now copy data into the tile component */
if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
opj_event_msg(p_manager, EVT_ERROR,
"Size mismatch between tile data and sent data.");
return OPJ_FALSE;
}
if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
opj_event_msg(p_manager, EVT_ERROR,
"Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
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