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openjpeg/libopenjpeg/j2k.c

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/*
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and 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, Mickael Savinaud, Communications & Systemes <mickael.savinaud@c-s.fr>
* 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 */
/*@{*/
/**
* Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
*/
static void opj_j2k_setup_header_reading (opj_j2k_v2_t *p_j2k);
/**
* The read header procedure.
*/
static opj_bool opj_j2k_read_header_procedure( opj_j2k_v2_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_v2_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_v2_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 void opj_j2k_setup_encoding_validation (opj_j2k_v2_t *p_j2k);
/**
* 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 void opj_j2k_setup_decoding_validation (opj_j2k_v2_t *p_j2k);
/**
* 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 void opj_j2k_setup_end_compress (opj_j2k_v2_t *p_j2k);
/**
* 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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_t *p_tcp);
/**
* Destroys a coding parameter structure.
*
* @param p_cp the coding parameter to destroy.
*/
static void opj_j2k_cp_destroy (opj_cp_v2_t *p_cp);
/**
* Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
*
* @param p_comp_no the component number 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_SPCod_SPCoc( opj_j2k_v2_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_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_SPCod_SPCoc_size (opj_j2k_v2_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_header_data the data contained in the COM box.
* @param p_j2k the jpeg2000 codec.
* @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_v2_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_v2_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_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_v2_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_v2_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_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_read_SQcd_SQcc( opj_j2k_v2_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_v2_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_v2_t *p_j2k );
/**
* Reads the tiles.
*/
static opj_bool opj_j2k_decode_tiles ( opj_j2k_v2_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_v2_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_v2_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image);
static void opj_j2k_get_tile_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data);
static opj_bool opj_j2k_post_write_tile (opj_j2k_v2_t * p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 p_data_size,
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 void opj_j2k_setup_header_writting (opj_j2k_v2_t *p_j2k);
static opj_bool opj_j2k_write_first_tile_part( opj_j2k_v2_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_v2_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_v2_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_v2_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_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager );
/**
* Reads a SOC marker (Start of Codestream)
* @param p_header_data the data contained in the SOC box.
* @param jp2 the jpeg2000 file codec.
* @param p_header_size the size of the data contained in the SOC marker.
* @param p_manager the user event manager.
*/
static opj_bool opj_j2k_read_soc( opj_j2k_v2_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_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_siz( opj_j2k_v2_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_header_data the data contained in the SIZ box.
* @param jp2 the jpeg2000 file codec.
* @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_v2_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_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager );
/**
* Reads a COM marker (comments)
* @param p_header_data the data contained in the COM box.
* @param jp2 the jpeg2000 file codec.
* @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_v2_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_v2_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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the COC marker (Coding style component)
*
* @param p_comp_number 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_coc( opj_j2k_v2_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_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 void opj_j2k_write_coc_in_memory(opj_j2k_v2_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_v2_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_v2_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_comp_number 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_qcd( opj_j2k_v2_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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager );
/**
* 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_v2_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_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 void opj_j2k_write_qcc_in_memory(opj_j2k_v2_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_v2_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_v2_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_v2_t *p_j2k,
opj_stream_private_t *p_stream,
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 void opj_j2k_write_poc_in_memory(opj_j2k_v2_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 writting of a POC.
*/
static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager );
/**
* 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.
*/
#if 0
static opj_bool j2k_read_ppm_v2 (
opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager
);
#endif
static opj_bool j2k_read_ppm_v3 (
opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
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_v2_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_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_sot( opj_j2k_v2_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 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_sot ( opj_j2k_v2_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_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_sod( opj_j2k_v2_t *p_j2k,
opj_tcd_v2_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_header_data the data contained in the SOD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
static opj_bool opj_j2k_read_sod( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager );
/**
* Updates the Tile Length Marker.
*/
void opj_j2k_update_tlm (opj_j2k_v2_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 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_v2_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
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_v2_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_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager );
/**
* Reads a EOC marker (End Of Codestream)
*
* @param p_header_data the data contained in the SOD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
static opj_bool opj_j2k_read_eoc ( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager );
/**
* 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_v2_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_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager );
/**
Add main header marker information
@param cstr_info Codestream information structure
@param type marker type
@param pos byte offset of marker segment
@param len length of marker segment
*/
static void 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_info Codestream information structure
@param type marker type
@param pos byte offset of marker segment
@param len length of marker segment
*/
static void 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_stream the stream object to read from.
* @param p_j2k the jpeg2000 codec.
* @param p_manager the user event manager.
*
* @return true if the marker could be deduced.
*/
static opj_bool opj_j2k_read_unk ( opj_j2k_v2_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_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_record( opj_j2k_v2_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_v2_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_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_mcc_record( opj_j2k_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
/**
* Writes the image 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_image_components( opj_j2k_v2_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_v2_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_v2_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.
*
* @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_v2_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_v2_t *p_j2k,
opj_cp_v2_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_v2_t* p_j2k, FILE* out_stream);
static void opj_j2k_dump_MH_index(opj_j2k_v2_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_v2_t * p_tcp);
static OPJ_FLOAT32 opj_j2k_get_default_stride (opj_tcp_v2_t * p_tcp);
/*@}*/
/*@}*/
/* ----------------------------------------------------------------------- */
typedef struct j2k_prog_order{
OPJ_PROG_ORDER enum_prog;
char str_prog[5];
}j2k_prog_order_t;
j2k_prog_order_t j2k_prog_order_list[] = {
{CPRL, "CPRL"},
{LRCP, "LRCP"},
{PCRL, "PCRL"},
{RLCP, "RLCP"},
{RPCL, "RPCL"},
{(OPJ_PROG_ORDER)-1, ""}
};
/**
* FIXME DOC
*/
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);
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
};
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
};
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_v2_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;
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, j2k_read_ppm_v3},
{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*/
};
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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;
}
}
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);
}
}
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);
}
}
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);
}
}
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);
}
}
/**
* Converts an enum type progression order to string type.
*
* @param prg_order the progression order to get.
*
* @return the string representation of the given progression order.
*/
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;
}
/**
* Checks the progression order changes values. Tells if the poc given as input are valid.
*
* @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.
*/
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_v2(p_manager , EVT_ERROR, "Not enough memory for checking the poc values.\n");
return OPJ_FALSE;
}
memset(packet_array,0,step_l * p_num_layers* sizeof(OPJ_UINT32));
if (p_nb_pocs == 0) {
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_v2(p_manager , EVT_ERROR, "Missing packets possible loss of data\n");
}
opj_free(packet_array);
return !loss;
}
/* ----------------------------------------------------------------------- */
/**
* 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.
*/
OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_v2_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno)
{
const OPJ_CHAR *prog = 00;
OPJ_UINT32 i;
OPJ_UINT32 tpnum = 1;
opj_tcp_v2_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;
}
/**
* 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.
*/
opj_bool opj_j2k_calculate_tp( opj_j2k_v2_t *p_j2k,
opj_cp_v2_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_v2_t *tcp;
/* preconditions */
assert(p_nb_tiles != 00);
assert(cp != 00);
assert(image != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
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;
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;
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;
}
/**
* 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.
*/
opj_bool opj_j2k_write_soc( opj_j2k_v2_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 */
/*
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_header_data the data contained in the SOC box.
* @param jp2 the jpeg2000 file codec.
* @param p_header_size the size of the data contained in the SOC marker.
* @param p_manager the user event manager.
*/
static opj_bool opj_j2k_read_soc( opj_j2k_v2_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_v2(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*/
opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC, p_j2k->cstr_index->main_head_start, 2);
return OPJ_TRUE;
}
/**
* Writes the SIZ marker (image and tile size)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_siz( opj_j2k_v2_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_v2_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) {
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_size_len);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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_header_data the data contained in the SIZ box.
* @param jp2 the jpeg2000 file codec.
* @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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_size, 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;
opj_image_t *l_image = 00;
opj_cp_v2_t *l_cp = 00;
opj_image_comp_t * l_img_comp = 00;
opj_tcp_v2_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_v2(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_v2(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
return OPJ_FALSE;
}
l_size = p_header_size + 2; /* Lsiz */
opj_read_bytes(p_header_data,&l_tmp ,2); /* Rsiz (capabilities) */
p_header_data+=2;
l_cp->rsiz = (OPJ_RSIZ_CAPABILITIES) 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_v2(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_v2(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;
}
#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_v2(p_manager, EVT_ERROR,
"JPWL: bad image size (%d x %d)\n",
l_image->x1, l_image->y1);
if (!JPWL_ASSUME || JPWL_ASSUME) {
opj_event_msg_v2(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_v2(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_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
*/ /* we try to correct */
/* opj_event_msg_v2(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_v2(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
len);
} else {
l_image->numcomps = ((len - 38) / 3);
opj_event_msg_v2(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_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
memset(l_image->comps,0,l_image->numcomps * sizeof(opj_image_comp_t));
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_INT32)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_INT32)tmp; /* should be between 1 and 255 */
#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_v2(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_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust them\n");
if (!l_image->comps[i].dx) {
l_image->comps[i].dx = 1;
opj_event_msg_v2(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_v2(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 = int_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
l_cp->th = int_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
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 = int_ceildiv((p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0), l_cp->tdx);
p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0), 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_v2(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_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
opj_event_msg_v2(p_manager, EVT_WARNING, "- trying to adjust them\n");
if (l_cp->tw < 1) {
l_cp->tw= 1;
opj_event_msg_v2(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_v2(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_v2(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_v2(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_v2_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_v2_t));
if (l_cp->tcps == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
memset(l_cp->tcps,0,l_nb_tiles*sizeof(opj_tcp_t));
#ifdef USE_JPWL
if (l_cp->correct) {
if (!l_cp->tcps) {
opj_event_msg_v2(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
"JPWL: could not alloc tcps field of cp\n");
if (!JPWL_ASSUME || JPWL_ASSUME) {
opj_event_msg_v2(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_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps ,0,l_image->numcomps*sizeof(opj_tccp_t));
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
(opj_mct_data_t*)opj_malloc(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_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records,0,J2K_MCT_DEFAULT_NB_RECORDS * sizeof(opj_mct_data_t));
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records = 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_malloc(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_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
memset(p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records,0,J2K_MCC_DEFAULT_NB_RECORDS * sizeof(opj_simple_mcc_decorrelation_data_t));
p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records = 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_malloc(l_image->numcomps * sizeof(opj_tccp_t));
if (l_current_tile_param->tccps == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
return OPJ_FALSE;
}
memset(l_current_tile_param->tccps,0,l_image->numcomps * sizeof(opj_tccp_t));
++l_current_tile_param;
}
p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH; /* FIXME J2K_DEC_STATE_MH; */
opj_image_comp_header_update(l_image,l_cp);
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_com( opj_j2k_v2_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 = 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) {
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_total_com_size);
if(! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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_header_data the data contained in the COM box.
* @param jp2 the jpeg2000 file codec.
* @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_v2_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);
(void)p_header_size;
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_cod( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager )
{
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_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) {
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_code_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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,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_v2(p_manager, EVT_ERROR, "Error writting COD marker\n");
return OPJ_FALSE;
}
if (l_remaining_size != 0) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting 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_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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;
/* Make sure room is sufficient */
if (p_header_size < 5) {
opj_event_msg_v2(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;
opj_read_bytes(p_header_data,&l_tmp,1); /* SGcod (A) */
++p_header_data;
l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
opj_read_bytes(p_header_data,&l_tcp->numlayers,2); /* SGcod (B) */
p_header_data+=2;
/* 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_v2(p_manager, EVT_ERROR, "Error reading COD marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg_v2(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));
for (i = 0; i < l_image->numcomps; ++i) {
p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
}
}
#endif
return OPJ_TRUE;
}
/**
* Writes the COC marker (Coding style 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.
*/
opj_bool opj_j2k_write_coc( opj_j2k_v2_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) {
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);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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;
}
/**
* Writes the COC marker (Coding style 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.
*/
void opj_j2k_write_coc_in_memory( opj_j2k_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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;
}
/**
* Gets the maximum size taken by a coc.
*
* @param p_j2k the jpeg2000 codec to use.
*/
OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_v2_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 = 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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
opj_cp_v2_t *l_cp = NULL;
opj_tcp_v2_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 ) ? /*FIXME J2K_DEC_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_v2(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_v2(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_v2(p_manager, EVT_ERROR, "Error reading COC marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading COC marker\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Writes the QCD marker (quantization default)
*
* @param p_comp_number 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.
*/
opj_bool opj_j2k_write_qcd( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_t *l_tcp = 00;
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_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
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) {
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_qcd_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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_v2(p_manager, EVT_ERROR, "Error writting QCD marker\n");
return OPJ_FALSE;
}
if (l_remaining_size != 0) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error writting 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_v2_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_v2(p_manager, EVT_ERROR, "Error reading QCD marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg_v2(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;
}
/**
* 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.
*/
opj_bool opj_j2k_write_qcc( opj_j2k_v2_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 = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
l_remaining_size = l_qcc_size;
if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
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_qcc_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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;
}
/**
* 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.
*/
void opj_j2k_write_qcc_in_memory( opj_j2k_v2_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;
}
/**
* Gets the maximum size taken by a qcc.
*/
OPJ_UINT32 opj_j2k_get_max_qcc_size (opj_j2k_v2_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_v2_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_v2(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_v2(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_v2(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_v2(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_v2(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 (! opj_j2k_read_SQcd_SQcc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCC marker\n");
return OPJ_FALSE;
}
if (p_header_size != 0) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading QCC marker\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_poc( opj_j2k_v2_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_v2_t *l_tcp = 00;
opj_tccp_t *l_tccp = 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_tccp = &l_tcp->tccps[0];
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) {
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_poc_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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;
}
/**
* 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.
*/
void opj_j2k_write_poc_in_memory( opj_j2k_v2_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_v2_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);
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,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 = int_min(l_current_poc->layno1, l_tcp->numlayers);
l_current_poc->resno1 = int_min(l_current_poc->resno1, l_tccp->numresolutions);
l_current_poc->compno1 = int_min(l_current_poc->compno1, l_nb_comp);
++l_current_poc;
}
*p_data_written = l_poc_size;
}
/**
* Gets the maximum size taken by the writing of a POC.
*/
OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_v2_t *p_j2k)
{
opj_tcp_v2_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 = uint_max(l_max_poc,l_tcp->numpocs);
++l_tcp;
}
++l_max_poc;
return 4 + 9 * l_max_poc;
}
/**
* Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
*/
OPJ_UINT32 opj_j2k_get_max_toc_size (opj_j2k_v2_t *p_j2k)
{
OPJ_UINT32 i;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_max = 0;
opj_tcp_v2_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 = uint_max(l_max,l_tcp->m_nb_tile_parts);
++l_tcp;
}
return 12 * l_max;
}
/**
* Gets the maximum size taken by the headers of the SOT.
*
* @param p_j2k the jpeg2000 codec to use.
*/
OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_v2_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 (p_j2k->m_cp.m_specific_param.m_enc.m_cinema == 0) {
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_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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_v2(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;
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 */
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 = 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_v2_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);
l_nb_comp = p_j2k->m_private_image->numcomps;
if (p_header_size != l_nb_comp *4) {
opj_event_msg_v2(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_v2_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, l_tot_num_tp_remaining, l_quotient, l_Ptlm_size;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
if (p_header_size < 2) {
opj_event_msg_v2(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 = p_header_size / l_quotient;
l_tot_num_tp_remaining = p_header_size % l_quotient;
if (l_tot_num_tp_remaining != 0) {
opj_event_msg_v2(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_v2_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 (p_header_size < 1) {
opj_event_msg_v2(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_v2_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);
if (p_header_size < 1) {
opj_event_msg_v2(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_v2(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.
*/
#if 0
opj_bool j2k_read_ppm_v2 (
opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager
)
{
opj_cp_v2_t *l_cp = 00;
OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
if (p_header_size < 1) {
opj_event_msg_v2(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;
/* First PPM marker */
if (l_Z_ppm == 0) {
if (p_header_size < 4) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPM marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
p_header_data+=4;
p_header_size-=4;
/* First PPM marker: Initialization */
l_cp->ppm_len = l_N_ppm;
l_cp->ppm_data_size = 0;
l_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len);
if (l_cp->ppm_buffer == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
return OPJ_FALSE;
}
memset(l_cp->ppm_buffer,0,l_cp->ppm_len);
l_cp->ppm_data = l_cp->ppm_buffer;
}
while (1) {
if (l_cp->ppm_data_size == l_cp->ppm_len) {
if (p_header_size >= 4) {
/* read a N_ppm */
opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
p_header_data+=4;
p_header_size-=4;
l_cp->ppm_len += l_N_ppm ;
l_cp->ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
if (l_cp->ppm_buffer == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
return OPJ_FALSE;
}
memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
l_cp->ppm_data = l_cp->ppm_buffer;
}
else {
return OPJ_FALSE;
}
}
l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
if (l_remaining_data <= p_header_size) {
/* we must store less information than available in the packet */
memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
l_cp->ppm_data_size = l_cp->ppm_len;
p_header_size -= l_remaining_data;
p_header_data += l_remaining_data;
}
else {
memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
l_cp->ppm_data_size += p_header_size;
p_header_data += p_header_size;
p_header_size = 0;
break;
}
}
return OPJ_TRUE;
}
#endif
/**
* 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.
*/
opj_bool j2k_read_ppm_v3 (
opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
struct opj_event_mgr * p_manager
)
{
opj_cp_v2_t *l_cp = 00;
OPJ_UINT32 l_remaining_data, l_Z_ppm, l_N_ppm;
/* preconditions */
assert(p_header_data != 00);
assert(p_j2k != 00);
assert(p_manager != 00);
/* Minimum size of PPM marker is equal to the size of Zppm element */
if (p_header_size < 1) {
opj_event_msg_v2(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;
/* First PPM marker */
if (l_Z_ppm == 0) {
/* We need now at least the Nppm^0 element */
if (p_header_size < 4) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading PPM marker\n");
return OPJ_FALSE;
}
opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */
p_header_data+=4;
p_header_size-=4;
/* First PPM marker: Initialization */
l_cp->ppm_len = l_N_ppm;
l_cp->ppm_data_read = 0;
l_cp->ppm_data = (OPJ_BYTE *) opj_malloc(l_cp->ppm_len);
if (l_cp->ppm_data == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
return OPJ_FALSE;
}
memset(l_cp->ppm_data,0,l_cp->ppm_len);
l_cp->ppm_data_current = l_cp->ppm_data;
/*l_cp->ppm_data = l_cp->ppm_buffer;*/
}
else {
if (p_header_size < 4) {
opj_event_msg_v2(p_manager, EVT_WARNING, "Empty PPM marker\n");
return OPJ_TRUE;
}
else {
/* Uncompleted Ippm series in the previous PPM marker?*/
if (l_cp->ppm_data_read < l_cp->ppm_len) {
/* Get the place where add the remaining Ippm series*/
l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_data_read]);
l_N_ppm = l_cp->ppm_len - l_cp->ppm_data_read;
}
else {
opj_read_bytes(p_header_data,&l_N_ppm,4); /* First N_ppm */
p_header_data+=4;
p_header_size-=4;
/* Increase the size of ppm_data to add the new Ippm series*/
l_cp->ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
/* Keep the position of the place where concatenate the new series*/
l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
l_cp->ppm_len += l_N_ppm;
}
}
}
l_remaining_data = p_header_size;
while (l_remaining_data >= l_N_ppm) {
/* read a complete Ippm series*/
memcpy(l_cp->ppm_data_current, p_header_data, l_N_ppm);
p_header_size -= l_N_ppm;
p_header_data += l_N_ppm;
l_cp->ppm_data_read += l_N_ppm; /* Increase the number of data read*/
if (p_header_size)
{
opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm^i */
p_header_data+=4;
p_header_size-=4;
}
else {
l_remaining_data = p_header_size;
break;
}
l_remaining_data = p_header_size;
/* Next Ippm series is a complete series ?*/
if (l_remaining_data > l_N_ppm) {
/* Increase the size of ppm_data to add the new Ippm series*/
l_cp->ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
/* Keep the position of the place where concatenate the new series */
l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
l_cp->ppm_len += l_N_ppm;
}
}
/* Need to read an incomplete Ippm series*/
if (l_remaining_data) {
l_cp->ppm_data = (OPJ_BYTE *) opj_realloc(l_cp->ppm_data, l_cp->ppm_len + l_N_ppm);
/* Keep the position of the place where concatenate the new series*/
l_cp->ppm_data_current = &(l_cp->ppm_data[l_cp->ppm_len]);
l_cp->ppm_len += l_N_ppm;
/* Read incomplete Ippm series*/
memcpy(l_cp->ppm_data_current, p_header_data, l_remaining_data);
p_header_size -= l_remaining_data;
p_header_data += l_remaining_data;
l_cp->ppm_data_read += l_remaining_data; /* Increase the number of data read*/
}
#ifdef CLEAN_MSD
if (l_cp->ppm_data_size == l_cp->ppm_len) {
if (p_header_size >= 4) {
/* read a N_ppm*/
opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */
p_header_data+=4;
p_header_size-=4;
l_cp->ppm_len += l_N_ppm ;
l_cp->ppm_buffer = (OPJ_BYTE *) opj_realloc(l_cp->ppm_buffer, l_cp->ppm_len);
if (l_cp->ppm_buffer == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n");
return OPJ_FALSE;
}
memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm);
l_cp->ppm_data = l_cp->ppm_buffer;
}
else {
return OPJ_FALSE;
}
}
l_remaining_data = l_cp->ppm_len - l_cp->ppm_data_size;
if (l_remaining_data <= p_header_size) {
/* we must store less information than available in the packet */
memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , l_remaining_data);
l_cp->ppm_data_size = l_cp->ppm_len;
p_header_size -= l_remaining_data;
p_header_data += l_remaining_data;
}
else {
memcpy(l_cp->ppm_buffer + l_cp->ppm_data_size , p_header_data , p_header_size);
l_cp->ppm_data_size += p_header_size;
p_header_data += p_header_size;
p_header_size = 0;
break;
}
}
#endif
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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_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 at minimum */
if (p_header_size < 1) {
opj_event_msg_v2(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_v2(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;
/* Allocate buffer to read the packet header */
if (l_Z_ppt == 0) {
/* First PPT marker */
l_tcp->ppt_data_size = 0;
l_tcp->ppt_len = p_header_size;
l_tcp->ppt_buffer = (OPJ_BYTE *) opj_calloc(l_tcp->ppt_len, sizeof(OPJ_BYTE) );
if (l_tcp->ppt_buffer == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n");
return OPJ_FALSE;
}
l_tcp->ppt_data = l_tcp->ppt_buffer;
/* memset(l_tcp->ppt_buffer,0,l_tcp->ppt_len); */
}
else {
l_tcp->ppt_len += p_header_size;
l_tcp->ppt_buffer = (OPJ_BYTE *) opj_realloc(l_tcp->ppt_buffer,l_tcp->ppt_len);
if (l_tcp->ppt_buffer == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n");
return OPJ_FALSE;
}
l_tcp->ppt_data = l_tcp->ppt_buffer;
memset(l_tcp->ppt_buffer+l_tcp->ppt_data_size,0,p_header_size);
}
/* Read packet header from buffer */
memcpy(l_tcp->ppt_buffer+l_tcp->ppt_data_size,p_header_data,p_header_size);
l_tcp->ppt_data_size += p_header_size;
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_tlm( opj_j2k_v2_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) {
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_tlm_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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;
}
/**
* Writes the SOT marker (Start of tile-part)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_sot( opj_j2k_v2_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_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 */
/*
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;
}
/**
* 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.
*/
opj_bool opj_j2k_read_sot ( opj_j2k_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager )
{
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_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_header_data != 00);
assert(p_j2k != 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_v2(p_manager, EVT_ERROR, "Error reading SOT marker\n");
return OPJ_FALSE;
}
l_cp = &(p_j2k->m_cp);
opj_read_bytes(p_header_data,&(p_j2k->m_current_tile_number),2); /* Isot */
p_header_data+=2;
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;
#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 < 0) || (tileno > (l_cp->tw * l_cp->th))) {
opj_event_msg_v2(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_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
tileno = backup_tileno;
opj_event_msg_v2(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 */
opj_read_bytes(p_header_data,&l_tot_len,4); /* Psot */
p_header_data+=4;
/* PSot should be equal to zero or >=14 or <= 2^32-1 */
if ((l_tot_len !=0 ) && (l_tot_len < 14) )
{
opj_event_msg_v2(p_manager, EVT_ERROR, "Psot value (%d) is not correct regards to the JPEG2000 norm!\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_v2(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_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
l_tot_len = 0;
opj_event_msg_v2(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_v2(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;
}
opj_read_bytes(p_header_data,&l_current_part ,1); /* TPsot */
++p_header_data;
opj_read_bytes(p_header_data,&l_num_parts ,1); /* TNsot */
++p_header_data;
if (l_num_parts != 0) { /* Number of tile-part header is provided by this tile-part header */
/* 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_v2(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;
}
}
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));
else
p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].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));
}
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 ( l_current_part >= p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps ){
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_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));
}
}
}
}
/* 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;
}
/**
* Writes the SOD marker (Start of data)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_sod( opj_j2k_v2_t *p_j2k,
opj_tcd_v2_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_tcp_v2_t *l_tcp = 00;
opj_codestream_info_t *l_cstr_info = 00;
opj_cp_v2_t *l_cp = 00;
OPJ_UINT32 l_size_tile;
OPJ_UINT32 l_remaining_data;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
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;
l_cp = &(p_j2k->m_cp);
l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
/* 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;
l_size_tile = l_cp->th * l_cp->tw;
/* 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 */
/*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_v2(p_manager, EVT_ERROR, "Cannot encode tile\n");
return OPJ_FALSE;
}
*p_data_written += 2;
return OPJ_TRUE;
}
/**
* Reads a SOD marker (Start Of Data)
*
* @param p_header_data the data contained in the SOD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_read_sod (opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 l_current_read_size;
opj_codestream_index_t * l_cstr_index = 00;
OPJ_BYTE ** l_current_data = 00;
opj_tcp_v2_t * l_tcp = 00;
OPJ_UINT32 * l_tile_len = 00;
/* 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
p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
l_current_data = &(l_tcp->m_data);
l_tile_len = &l_tcp->m_data_size;
if (! *l_current_data) {
*l_current_data = (OPJ_BYTE*) opj_malloc(p_j2k->m_specific_param.m_decoder.m_sot_length);
}
else {
*l_current_data = (OPJ_BYTE*) opj_realloc(*l_current_data, *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length);
}
if (*l_current_data == 00) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile\n");
return OPJ_FALSE;
}
/* 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;
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);
/*l_cstr_index->packno = 0;*/
}
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);
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 += l_current_read_size;
return OPJ_TRUE;
}
/**
* Writes the RGN marker (Region Of Interest)
*
* @param p_tile_no the tile to output
* @param p_comp_no 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.
*/
opj_bool opj_j2k_write_rgn(opj_j2k_v2_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
OPJ_BYTE * l_current_data = 00;
OPJ_UINT32 l_nb_comp;
OPJ_UINT32 l_rgn_size;
opj_image_t *l_image = 00;
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_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];
l_nb_comp = l_image->numcomps;
if (l_nb_comp <= 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, 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;
}
/**
* 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.
*/
opj_bool opj_j2k_write_eoc( opj_j2k_v2_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 */
/*
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_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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_v2(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_v2(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 || JPWL_ASSUME) {
opj_event_msg_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
}
};
#endif /* USE_JPWL */
opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1); /* SPrgn */
++p_header_data;
return OPJ_TRUE;
}
OPJ_FLOAT32 opj_j2k_get_tp_stride (opj_tcp_v2_t * p_tcp)
{
return (OPJ_FLOAT32) ((p_tcp->m_nb_tile_parts - 1) * 14);
}
OPJ_FLOAT32 opj_j2k_get_default_stride (opj_tcp_v2_t * p_tcp)
{
(void)p_tcp;
return 0;
}
/**
* 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.
*/
opj_bool opj_j2k_update_rates( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager )
{
opj_cp_v2_t * l_cp = 00;
opj_image_t * l_image = 00;
opj_tcp_v2_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_v2_t *) = 00;
/* preconditions */
assert(p_j2k != 00);
assert(p_manager != 00);
assert(p_stream != 00);
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)) / (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 = ((*l_tp_stride_func)(l_tcp)) / l_tcp->numlayers;
/* 4 borders of the tile rescale on the image if necessary */
l_x0 = int_max(l_cp->tx0 + j * l_cp->tdx, l_image->x0);
l_y0 = int_max(l_cp->ty0 + i * l_cp->tdy, l_image->y0);
l_x1 = int_min(l_cp->tx0 + (j + 1) * l_cp->tdx, l_image->x1);
l_y1 = int_min(l_cp->ty0 + (i + 1) * l_cp->tdy, l_image->y1);
l_rates = l_tcp->rates;
/* Modification of the RATE >> */
if (*l_rates) {
*l_rates = (( (float) (l_size_pixel * (l_x1 - l_x0) * (l_y1 - l_y0)))
/
((*l_rates) * l_bits_empty)
)
-
l_offset;
}
++l_rates;
for (k = 1; k < l_tcp->numlayers; ++k) {
if (*l_rates) {
*l_rates = (( (OPJ_FLOAT32) (l_size_pixel * (l_x1 - l_x0) * (l_y1 - l_y0)))
/
((*l_rates) * 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) {
*l_rates -= l_sot_remove;
if (*l_rates < 30) {
*l_rates = 30;
}
}
++l_rates;
l_last_res = l_tcp->numlayers - 1;
for (k = 1; k < l_last_res; ++k) {
if (*l_rates) {
*l_rates -= l_sot_remove;
if (*l_rates < *(l_rates - 1) + 10) {
*l_rates = (*(l_rates - 1)) + 20;
}
}
++l_rates;
}
if (*l_rates) {
*l_rates -= (l_sot_remove + 2.f);
if (*l_rates < *(l_rates - 1) + 10) {
*l_rates = (*(l_rates - 1)) + 20;
}
}
++l_tcp;
}
}
l_img_comp = l_image->comps;
l_tile_size = 0;
for (i=0;i<l_image->numcomps;++i) {
l_tile_size += ( uint_ceildiv(l_cp->tdx,l_img_comp->dx)
*
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 (l_cp->m_specific_param.m_enc.m_cinema) {
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;
}
/**
* Reads a EOC marker (End Of Codestream)
*
* @param p_header_data the data contained in the SOD box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the SOD marker.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_read_eoc ( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager )
{
OPJ_UINT32 i;
opj_tcd_v2_t * l_tcd = 00;
OPJ_UINT32 l_nb_tiles;
opj_tcp_v2_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_v2(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_v2(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;
}
/**
* 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.
*/
opj_bool opj_j2k_get_end_header(opj_j2k_v2_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);
p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
return OPJ_TRUE;
}
/**
* Writes the MCT marker (Multiple Component Transform)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_mct_data_group( opj_j2k_v2_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_v2_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;
}
/**
* Writes the image components.
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_image_components(opj_j2k_v2_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)
{
if (! opj_j2k_write_coc(p_j2k,compno,p_stream, p_manager)) {
return OPJ_FALSE;
}
if (! opj_j2k_write_qcc(p_j2k,compno,p_stream, p_manager)) {
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_regions( opj_j2k_v2_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_stream,p_manager)) {
return OPJ_FALSE;
}
}
++l_tccp;
}
return OPJ_TRUE;
}
/**
* Writes EPC ????
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_epc( opj_j2k_v2_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);
l_cstr_index = p_j2k->cstr_index;
if (l_cstr_index) {
l_cstr_index->codestream_size = 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 -= 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;
}
/**
* Reads an unknown marker
*
* @param p_stream the stream object to read from.
* @param p_j2k the jpeg2000 codec.
* @param p_manager the user event manager.
*
* @return true if the marker could be deduced.
*/
opj_bool opj_j2k_read_unk ( opj_j2k_v2_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_v2(p_manager, EVT_WARNING, "Unknown marker\n");
while(1) {
/* 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_v2(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_v2(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_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
(OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
l_size_unk);
break; /* next marker is known and well located */
}
else
l_size_unk += 2;
}
}
}
*output_marker = l_marker_handler->id ;
return OPJ_TRUE;
}
/**
* Writes the MCT marker (Multiple Component Transform)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_mct_record( opj_j2k_v2_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) {
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_mct_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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_v2_t *p_j2k,
OPJ_BYTE * p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager
)
{
OPJ_UINT32 i;
opj_tcp_v2_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_v2(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_v2(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_v2(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) {
l_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
l_tcp->m_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(! l_tcp->m_mct_records) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCT marker\n");
return OPJ_FALSE;
}
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;
}
if (l_mct_data->m_data) {
opj_free(l_mct_data->m_data);
l_mct_data->m_data = 00;
}
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_v2(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_v2(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;
++l_tcp->m_nb_mct_records;
return OPJ_TRUE;
}
/**
* Writes the MCC marker (Multiple Component Collection)
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_mcc_record( opj_j2k_v2_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)
{
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_mcc_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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)&1)<<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;
}
/**
* 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.
*/
opj_bool opj_j2k_read_mcc ( opj_j2k_v2_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_v2_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;
/* 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_v2(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_v2(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
return OPJ_TRUE;
}
if (p_header_size < 7) {
opj_event_msg_v2(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) {
l_tcp->m_nb_max_mcc_records += J2K_MCC_DEFAULT_NB_RECORDS;
l_tcp->m_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 (! l_tcp->m_mcc_records) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
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_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_v2(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_v2(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_v2(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_v2(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_v2(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_v2(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_v2(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_v2(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_v2(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_v2(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_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
}
}
if (p_header_size != 0) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Error reading MCC marker\n");
return OPJ_FALSE;
}
++l_tcp->m_nb_mcc_records;
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_mco( opj_j2k_v2_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_v2_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_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
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) {
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_mco_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data)
{
return OPJ_FALSE;
}
p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
}
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 tranform 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_v2_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_v2_t * l_tcp;
opj_tccp_t * l_tccp;
opj_image_t * l_image;
opj_image_comp_t * l_img_comp;
/* 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_v2(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 tranform stage*/
++p_header_data;
if (l_nb_stages > 1) {
opj_event_msg_v2(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_v2(p_manager, EVT_WARNING, "Error reading MCO marker\n");
return OPJ_FALSE;
}
l_tccp = l_tcp->tccps;
l_img_comp = l_image->comps;
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;
}
opj_bool opj_j2k_add_mct(opj_tcp_v2_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 * 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 * 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 = *(l_current_offset_data++);
++l_tccp;
}
opj_free(l_offset_data);
}
return OPJ_TRUE;
}
/**
* 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.
*/
opj_bool opj_j2k_write_cbd( opj_j2k_v2_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) {
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_cbd_size);
if (! p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
return OPJ_FALSE;
}
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_v2_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_v2(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_v2(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;
++l_comp;
}
return OPJ_TRUE;
}
/* ----------------------------------------------------------------------- */
/* J2K / JPT decoder interface */
/* ----------------------------------------------------------------------- */
void opj_j2k_setup_decoder(opj_j2k_v2_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 */
}
}
/* ----------------------------------------------------------------------- */
/* J2K encoder interface */
/* ----------------------------------------------------------------------- */
opj_j2k_v2_t* opj_j2k_create_compress(void)
{
opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
if (!l_j2k) {
return NULL;
}
memset(l_j2k,0,sizeof(opj_j2k_v2_t));
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(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 = 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;
}
return l_j2k;
}
void opj_j2k_setup_encoder( opj_j2k_v2_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_v2_t *cp = 00;
opj_bool l_res;
if(!p_j2k || !parameters || ! image) {
return;
}
/* 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;
/*
copy user encoding parameters
*/
cp->m_specific_param.m_enc.m_cinema = parameters->cp_cinema;
cp->m_specific_param.m_enc.m_max_comp_size = parameters->max_comp_size;
cp->rsiz = parameters->cp_rsiz;
cp->m_specific_param.m_enc.m_disto_alloc = parameters->cp_disto_alloc;
cp->m_specific_param.m_enc.m_fixed_alloc = parameters->cp_fixed_alloc;
cp->m_specific_param.m_enc.m_fixed_quality = parameters->cp_fixed_quality;
/* mod fixed_quality */
if (parameters->cp_matrice) {
size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(OPJ_INT32);
cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice, array_size);
}
/* tiles */
cp->tdx = parameters->cp_tdx;
cp->tdy = parameters->cp_tdy;
/* tile offset */
cp->tx0 = parameters->cp_tx0;
cp->ty0 = parameters->cp_ty0;
/* comment string */
if(parameters->cp_comment) {
cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
if(cp->comment) {
strcpy(cp->comment, parameters->cp_comment);
}
}
/*
calculate other encoding parameters
*/
if (parameters->tile_size_on) {
cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
cp->th = int_ceildiv(image->y1 - cp->ty0, 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 = 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_v2_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_v2_t));
if (parameters->numpocs) {
/* initialisation of POC */
l_res = opj_j2k_check_poc_val(parameters->POC,parameters->numpocs, parameters->numresolution, image->numcomps, parameters->tcp_numlayers, p_manager);
// TODO
}
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
opj_tcp_v2_t *tcp = &cp->tcps[tileno];
tcp->numlayers = parameters->tcp_numlayers;
for (j = 0; j < tcp->numlayers; j++) {
if(cp->m_specific_param.m_enc.m_cinema){
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 = parameters->csty;
tcp->prg = parameters->prog_order;
tcp->mct = parameters->tcp_mct;
numpocs_tile = 0;
tcp->POC = 0;
if (parameters->numpocs) {
/* initialisation of POC */
tcp->POC = 1;
// TODO
for (i = 0; i < (unsigned int) parameters->numpocs; i++) {
if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
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 (parameters->mct_data) {
opj_event_msg_v2(p_manager, EVT_ERROR, "MCT not supported for now\n");
return;
/* TODO MSD : merge v2 add invert.c or used a external lib ?
OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * sizeof(OPJ_FLOAT32);
OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
OPJ_INT32 * l_dc_shift = (OPJ_INT32 *) ((OPJ_BYTE *) parameters->mct_data + lMctSize);
tcp->mct = 2;
tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
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);
assert(opj_matrix_inversion_f(lTmpBuf,(tcp->m_mct_decoding_matrix),image->numcomps));
tcp->mct_norms = (OPJ_FLOAT64*)
opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
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];
}
opj_j2k_setup_mct_encoding(tcp,image);
*/
}
else {
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 = parameters->numresolution;
tccp->cblkw = int_floorlog2(parameters->cblockw_init);
tccp->cblkh = int_floorlog2(parameters->cblockh_init);
tccp->cblksty = parameters->mode;
tccp->qmfbid = parameters->irreversible ? 0 : 1;
tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
tccp->numgbits = 2;
if (i == parameters->roi_compno) {
tccp->roishift = parameters->roi_shift;
} else {
tccp->roishift = 0;
}
if(parameters->cp_cinema) {
//Precinct size for lowest frequency subband=128
tccp->prcw[0] = 7;
tccp->prch[0] = 7;
//Precinct size at all other resolutions = 256
for (j = 1; j < tccp->numresolutions; j++) {
tccp->prcw[j] = 8;
tccp->prch[j] = 8;
}
}else{
if (parameters->csty & J2K_CCP_CSTY_PRT) {
OPJ_INT32 p = 0, it_res;
for (it_res = 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] = int_floorlog2(parameters->prcw_init[p]);
}
if (parameters->prch_init[p] < 1) {
tccp->prch[it_res] = 1;
}else {
tccp->prch[it_res] = int_floorlog2(parameters->prch_init[p]);
}
} else {
int res_spec = parameters->res_spec;
int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
int 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] = int_floorlog2(size_prcw);
}
if (size_prch < 1) {
tccp->prch[it_res] = 1;
} else {
tccp->prch[it_res] = 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;
}
}
static void 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) {
cstr_index->maxmarknum = 100 + (int) ((float) cstr_index->maxmarknum * 1.0F);
cstr_index->marker = (opj_marker_info_t*)opj_realloc(cstr_index->marker, cstr_index->maxmarknum *sizeof(opj_marker_info_t));
}
/* 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++;
}
static void 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) {
cstr_index->tile_index[tileno].maxmarknum = 100 + (int) ((float) cstr_index->tile_index[tileno].maxmarknum * 1.0F);
cstr_index->tile_index[tileno].marker =
(opj_marker_info_t*)opj_realloc(cstr_index->tile_index[tileno].marker,
cstr_index->tile_index[tileno].maxmarknum *sizeof(opj_marker_info_t));
}
/* 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;
}
}
/*
* -----------------------------------------------------------------------
* -----------------------------------------------------------------------
* -----------------------------------------------------------------------
*/
/**
* Ends the decompression procedures and possibiliy add data to be read after the
* codestream.
*/
opj_bool opj_j2k_end_decompress(opj_j2k_v2_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;
}
/**
* Reads a jpeg2000 codestream header structure.
*
* @param p_stream the stream to read data from.
* @param p_j2k the jpeg2000 codec.
* @param p_manager the user event manager.
*
* @return true if the box is valid.
*/
opj_bool opj_j2k_read_header( opj_stream_private_t *p_stream,
opj_j2k_v2_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 */
opj_j2k_setup_decoding_validation(p_j2k);
/* 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 */
opj_j2k_setup_header_reading(p_j2k);
/* 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;
}
/**
* Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
*/
void opj_j2k_setup_header_reading (opj_j2k_v2_t *p_j2k)
{
/* preconditions*/
assert(p_j2k != 00);
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_read_header_procedure);
/* DEVELOPER CORNER, add your custom procedures */
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd);
}
/**
* 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.
*/
void opj_j2k_setup_decoding_validation (opj_j2k_v2_t *p_j2k)
{
/* preconditions*/
assert(p_j2k != 00);
opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_build_decoder);
opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_decoding_validation);
/* DEVELOPER CORNER, add your custom validation procedure */
}
/**
* 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.
*/
opj_bool opj_j2k_mct_validation ( opj_j2k_v2_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);
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_v2_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_v2_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) {
p_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
p_tcp->m_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 (! p_tcp->m_mct_records) {
return OPJ_FALSE;
}
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) {
p_tcp->m_nb_max_mct_records += J2K_MCT_DEFAULT_NB_RECORDS;
p_tcp->m_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 (! p_tcp->m_mct_records) {
return OPJ_FALSE;
}
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) {
p_tcp->m_nb_max_mcc_records += J2K_MCT_DEFAULT_NB_RECORDS;
p_tcp->m_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 (! p_tcp->m_mcc_records) {
return OPJ_FALSE;
}
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;
}
/**
* Builds the cp decoder parameters to use to decode tile.
*/
opj_bool opj_j2k_build_decoder (opj_j2k_v2_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;
}
/**
* Builds the cp encoder parameters to use to encode tile.
*/
opj_bool opj_j2k_build_encoder (opj_j2k_v2_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;
}
/**
* 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.
*/
opj_bool opj_j2k_encoding_validation ( opj_j2k_v2_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);
/* 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);
if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) {
opj_event_msg_v2(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)) {
opj_event_msg_v2(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;
}
/**
* 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.
*/
opj_bool opj_j2k_decoding_validation ( opj_j2k_v2_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);
/* 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;
}
opj_bool opj_j2k_read_header_procedure( opj_j2k_v2_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;
/* 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_v2(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_v2(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_v2(p_manager, EVT_ERROR, "We expected read a marker ID (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_v2(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);
}
/* 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_v2(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_v2(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);
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) {
p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
return OPJ_FALSE;
}
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_v2(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_v2(p_manager, EVT_ERROR, "Marker handler function failed to read the marker segment\n");
return OPJ_FALSE;
}
/* Add the marker to the codestream index*/
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 );
/* 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_v2(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);
}
opj_event_msg_v2(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;
}
/**
* 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.
*/
opj_bool opj_j2k_exec ( opj_j2k_v2_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_v2_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_v2_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_v2_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager
)
{
opj_tcp_v2_t * l_tcp = 00;
opj_tcp_v2_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);
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 * 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 * 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_v2_t));
/* Initialize some values of the current tile coding parameters*/
l_tcp->ppt = 0;
l_tcp->ppt_data = 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 * 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;
}
/* 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 * 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);
/* 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 = 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 = 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_v2_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)) ) {
opj_tcd_destroy(p_j2k->m_tcd);
p_j2k->m_tcd = 00;
opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* 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.
*/
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;
}
/**
* Destroys a jpeg2000 codec.
*
* @param p_j2k the jpeg20000 structure to destroy.
*/
void opj_j2k_destroy (opj_j2k_v2_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_v2_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_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);
}
}
/**
* Destroys a tile coding parameter structure.
*
* @param p_tcp the tile coding parameter to destroy.
*/
void opj_j2k_tcp_destroy (opj_tcp_v2_t *p_tcp)
{
if (p_tcp == 00) {
return;
}
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);
}
/**
* Destroys the data inside a tile coding parameter structure.
*
* @param p_tcp the tile coding parameter which contain data to destroy.
*/
void opj_j2k_tcp_data_destroy (opj_tcp_v2_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;
}
}
/**
* Destroys a coding parameter structure.
*
* @param p_cp the coding parameter to destroy.
*/
void opj_j2k_cp_destroy (opj_cp_v2_t *p_cp)
{
OPJ_UINT32 l_nb_tiles;
opj_tcp_v2_t * l_current_tile = 00;
OPJ_UINT32 i;
if
(p_cp == 00)
{
return;
}
if
(p_cp->tcps != 00)
{
l_current_tile = p_cp->tcps;
l_nb_tiles = p_cp->th * p_cp->tw;
for
(i = 0; 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_buffer != 00)
{
opj_free(p_cp->ppm_buffer);
p_cp->ppm_buffer = 00;
}
if
(p_cp->comment != 00)
{
opj_free(p_cp->comment);
p_cp->comment = 00;
}
if
(! p_cp->m_is_decoder)
{
if
(p_cp->m_specific_param.m_enc.m_matrice)
{
opj_free(p_cp->m_specific_param.m_enc.m_matrice);
p_cp->m_specific_param.m_enc.m_matrice = 00;
}
}
}
/**
* Reads a tile header.
* @param p_j2k the jpeg2000 codec.
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_read_tile_header( opj_j2k_v2_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_v2_t * l_tcp = NULL;
OPJ_UINT32 l_nb_tiles;
/* 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) {
/* 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_v2(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);
/* 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_v2(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) {
p_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE*)
opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size);
if (p_j2k->m_specific_param.m_decoder.m_header_data == 00) {
return OPJ_FALSE;
}
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_v2(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_v2(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*/
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 );
/* 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_v2(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_v2(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 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){
/* 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_v2(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_v2(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) {
if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC ){
p_j2k->m_current_tile_number = 0;
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) {
l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
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;
}
}
/*FIXME ???*/
if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
return OPJ_FALSE;
}
opj_event_msg_v2(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
p_j2k->m_current_tile_number, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
*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);
*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 |= 0x0080;/* FIXME J2K_DEC_STATE_DATA;*/
return OPJ_TRUE;
}
opj_bool opj_j2k_decode_tile ( opj_j2k_v2_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_v2_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 & 0x0080/*FIXME J2K_DEC_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) ) {
opj_j2k_tcp_destroy(l_tcp);
p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/*FIXME J2K_DEC_STATE_ERR;*/
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 &= (~ (0x0080));/* FIXME J2K_DEC_STATE_DATA);*/
if (p_j2k->m_specific_param.m_decoder.m_state != 0x0100){ /*FIXME J2K_DEC_STATE_EOC)*/
if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
opj_event_msg_v2(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 = 0x0100;/*FIXME J2K_DEC_STATE_EOC;*/
}
else if (l_current_marker != J2K_MS_SOT)
{
opj_event_msg_v2(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
return OPJ_FALSE;
}
}
return OPJ_TRUE;
}
opj_bool opj_j2k_update_image_data (opj_tcd_v2_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_INT32 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_INT32 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_v2_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_v2_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) {
l_img_comp_dest->data = (OPJ_INT32*) opj_calloc(l_img_comp_dest->w * l_img_comp_dest->h, 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 = (l_res->x1 - l_res->x0);
l_height_src = (l_res->y1 - l_res->y0);
/* Border of the current output component*/
l_x0_dest = int_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
l_y0_dest = int_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
l_x1_dest = l_x0_dest + l_img_comp_dest->w;
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 = 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 - l_res->x0 ;
l_offset_x1_src = l_width_src - l_width_dest;
}
}
else {
l_start_x_dest = 0 ;
l_offset_x0_src = l_x0_dest - l_res->x0;
if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) {
l_width_dest = l_width_src - 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 - l_x1_dest;
}
}
if ( l_y0_dest < (OPJ_UINT32)l_res->y0 ) {
l_start_y_dest = 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 - l_res->y0 ;
l_offset_y1_src = l_height_src - l_height_dest;
}
}
else {
l_start_y_dest = 0 ;
l_offset_y0_src = l_y0_dest - l_res->y0;
if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) {
l_height_dest = l_height_src - 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 - 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;
}
/*-----*/
/* Compute the input buffer offset */
l_start_offset_src = l_offset_x0_src + l_offset_y0_src * l_width_src;
l_line_offset_src = l_offset_x1_src + l_offset_x0_src;
l_end_offset_src = l_offset_y1_src * l_width_src - l_offset_x0_src;
/* Compute the output buffer offset */
l_start_offset_dest = l_start_x_dest + l_start_y_dest * l_img_comp_dest->w;
l_line_offset_dest = l_img_comp_dest->w - 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) {
*(l_dest_ptr++) = *(l_src_ptr++);
}
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) {
*(l_dest_ptr++) = (*(l_src_ptr++))&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) {
for (k=0;k<l_width_dest;++k) {
*(l_dest_ptr++) = (*(l_src_ptr++));
}
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;
}
++l_img_comp_dest;
++l_img_comp_src;
++l_tilec;
}
return OPJ_TRUE;
}
/**
* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
*
* @param p_j2k the jpeg2000 codec.
* @param p_start_x the left position of the rectangle to decode (in image coordinates).
* @param p_end_x the right position of the rectangle to decode (in image coordinates).
* @param p_start_y the up position of the rectangle to decode (in image coordinates).
* @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
* @param p_manager the user event manager
*
* @return true if the area could be set.
*/
opj_bool opj_j2k_set_decode_area( opj_j2k_v2_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_v2_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) { /* FIXME J2K_DEC_STATE_TPHSOT)*/
opj_event_msg_v2(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_v2(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 */
assert(p_start_x >= 0 );
assert(p_start_y >= 0 );
if ((OPJ_UINT32)p_start_x > l_image->x1 ) {
opj_event_msg_v2(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_v2(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 = (p_start_x - l_cp->tx0) / l_cp->tdx;
p_image->x0 = p_start_x;
}
/* Up */
if ((OPJ_UINT32)p_start_y > l_image->y1){
opj_event_msg_v2(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_v2(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 = (p_start_y - l_cp->ty0) / l_cp->tdy;
p_image->y0 = p_start_y;
}
/* Right */
assert((OPJ_UINT32)p_end_x > 0);
assert((OPJ_UINT32)p_end_y > 0);
if ((OPJ_UINT32)p_end_x < l_image->x0) {
opj_event_msg_v2(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_v2(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 = int_ceildiv((p_end_x - l_cp->tx0), l_cp->tdx);
p_image->x1 = p_end_x;
}
/* Bottom */
if ((OPJ_UINT32)p_end_y < l_image->y0) {
opj_event_msg_v2(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_v2(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 = int_ceildiv((p_end_y - l_cp->ty0), l_cp->tdy);
p_image->y1 = 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 = int_ceildiv(p_image->x0, l_img_comp->dx);
l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
l_w = int_ceildivpow2(l_comp_x1, l_img_comp->factor)
- int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
if (l_w < 0){
opj_event_msg_v2(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 = l_w;
l_h = int_ceildivpow2(l_comp_y1, l_img_comp->factor)
- int_ceildivpow2(l_img_comp->y0, l_img_comp->factor);
if (l_h < 0){
opj_event_msg_v2(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 = l_h;
l_img_comp++;
}
opj_event_msg_v2( 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;
}
/* ----------------------------------------------------------------------- */
/* J2K / JPT decoder interface */
/* ----------------------------------------------------------------------- */
/**
* Creates a J2K decompression structure.
*
* @return a handle to a J2K decompressor if successful, NULL otherwise.
*/
opj_j2k_v2_t* opj_j2k_create_decompress(void)
{
opj_j2k_v2_t *l_j2k = (opj_j2k_v2_t*) opj_malloc(sizeof(opj_j2k_v2_t));
if (!l_j2k) {
return 00;
}
memset(l_j2k,0,sizeof(opj_j2k_v2_t));
l_j2k->m_is_decoder = 1;
l_j2k->m_cp.m_is_decoder = 1;
l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_v2_t*) opj_malloc(sizeof(opj_tcp_v2_t));
if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
opj_j2k_destroy(l_j2k);
return 00;
}
memset(l_j2k->m_specific_param.m_decoder.m_default_tcp,0,sizeof(opj_tcp_v2_t));
l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_malloc(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 = 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();
/*(opj_codestream_index_t*) opj_malloc(sizeof(opj_codestream_index_t));
if (!l_j2k->cstr_index){
opj_j2k_destroy(l_j2k);
return NULL;
}
l_j2k->cstr_index->marker = (opj_marker_info_t*) opj_malloc(100 * sizeof(opj_marker_info_t));
*/
/* 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;
}
return l_j2k;
}
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)
return NULL;
cstr_index->tile_index = NULL;
return cstr_index;
}
/**
* Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
*
* @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.
*/
OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size ( opj_j2k_v2_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no )
{
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_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;
}
}
/**
* Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
*
* @param p_comp_no the component number to output.
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*
*/
opj_bool opj_j2k_write_SPCod_SPCoc( opj_j2k_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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_v2(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_v2(p_manager, EVT_ERROR, "Error writting 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;
}
/**
* Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
* @param p_header_data the data contained in the COM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the COM marker.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_read_SPCod_SPCoc( opj_j2k_v2_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_v2_t *l_cp = NULL;
opj_tcp_v2_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_v2(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 */
++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_v2(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;
opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1); /* SPcoc (G) */
++l_current_ptr;
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_v2(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;
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;
}
/**
* Copies the tile component parameters of all the component from the first tile component.
*
* @param p_j2k the J2k codec.
*/
void opj_j2k_copy_tile_component_parameters( opj_j2k_v2_t *p_j2k )
{
/* loop */
OPJ_UINT32 i;
opj_cp_v2_t *l_cp = NULL;
opj_tcp_v2_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) ? /* FIXME J2K_DEC_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 * 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;
}
}
/**
* 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.
*/
OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size ( opj_j2k_v2_t *p_j2k,
OPJ_UINT32 p_tile_no,
OPJ_UINT32 p_comp_no )
{
OPJ_UINT32 l_num_bands;
opj_cp_v2_t *l_cp = 00;
opj_tcp_v2_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;
}
}
/**
* Writes a SQcd or SQcc element, i.e. the quantization values of a band.
*
* @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.
*
*/
opj_bool opj_j2k_write_SQcd_SQcc( opj_j2k_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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_v2(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 = 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_v2(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 = l_tccp->stepsizes[l_band_no].expn;
l_mant = 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;
}
/**
* Reads a SQcd or SQcc element, i.e. the quantization values of a band.
*
* @param p_comp_no the component being targeted.
* @param p_header_data the data contained in the COM box.
* @param p_j2k the jpeg2000 codec.
* @param p_header_size the size of the data contained in the COM marker.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_read_SQcd_SQcc(opj_j2k_v2_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_v2_t *l_cp = 00;
opj_tcp_v2_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) ? /*FIXME J2K_DEC_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_v2(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 > J2K_MAXBANDS ) {
opj_event_msg_v2(p_manager, EVT_WARNING, "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
"number of subbands (%d) is greater to J2K_MAXBANDS (%d). So we limit the number of elements stored to "
"J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, J2K_MAXBANDS, 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 >= J2K_MAXBANDS)) {
opj_event_msg_v2(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_v2(p_manager, EVT_ERROR, "JPWL: giving up\n");
return OPJ_FALSE;
}
/* we try to correct */
l_num_band = 1;
opj_event_msg_v2(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 < J2K_MAXBANDS){
l_tccp->stepsizes[l_band_no].expn = 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 < J2K_MAXBANDS){
l_tccp->stepsizes[l_band_no].expn = 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 < J2K_MAXBANDS; l_band_no++) {
l_tccp->stepsizes[l_band_no].expn =
((l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) > 0) ?
(l_tccp->stepsizes[0].expn) - ((l_band_no - 1) / 3) : 0;
l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
}
}
return OPJ_TRUE;
}
/**
* Copies the tile component parameters of all the component from the first tile component.
*
* @param p_j2k the J2k codec.
*/
void opj_j2k_copy_tile_quantization_parameters( opj_j2k_v2_t *p_j2k )
{
OPJ_UINT32 i;
opj_cp_v2_t *l_cp = NULL;
opj_tcp_v2_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 = 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;
}
}
/**
* Dump some elements from the J2K decompression structure .
*
*@param p_j2k the jpeg2000 codec.
*@param flag flag to describe what elments are dump.
*@param out_stream output stream where dump the elements.
*
*/
void j2k_dump (opj_j2k_v2_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){
opj_j2k_dump_MH_info(p_j2k, out_stream);
}
/* 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){
}
}
/**
* Dump index elements of the codestream extract from the main header.
*
*@param p_j2k the jpeg2000 codec.
*@param out_stream output stream where dump the elements.
*
*/
void opj_j2k_dump_MH_index(opj_j2k_v2_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");
}
/**
* Dump info elements of the codestream extract from the main header.
*
*@param p_j2k the jpeg2000 codec.
*@param out_stream output stream where dump the elements.
*
*/
void opj_j2k_dump_MH_info(opj_j2k_v2_t* p_j2k, FILE* out_stream)
{
opj_tcp_v2_t * l_default_tile=NULL;
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);
l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
if (l_default_tile)
{
OPJ_INT32 compno;
OPJ_INT32 numcomps = p_j2k->m_private_image->numcomps;
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 : 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*/
}
fprintf(out_stream, "}\n");
}
/**
* Dump an image header structure.
*
*@param img_header the image header to dump.
*@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
*@param out_stream output stream where dump the elements.
*/
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");
}
/**
* Dump a component image header structure.
*
*@param comp_header the component image header to dump.
*@param dev_dump_flag flag to describe if we are in the case of this function is use outside j2k_dump function
*@param out_stream output stream where dump the elements.
*/
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");
}
/**
* Get the codestream info from a JPEG2000 codec.
*
*@param p_j2k the component image header to dump.
*
*@return the codestream information extract from the jpg2000 codec
*/
opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_v2_t* p_j2k)
{
OPJ_UINT16 compno;
OPJ_UINT16 numcomps = p_j2k->m_private_image->numcomps;
opj_tcp_v2_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));
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));
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 < 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 : l_tccp->numresolutions * 3 - 2;
if (numbands < J2K_MAXBANDS) {
for (bandno = 0; bandno < numbands; bandno++) {
l_tccp_info->stepsizes_mant[bandno] = l_tccp->stepsizes[bandno].mant;
l_tccp_info->stepsizes_expn[bandno] = l_tccp->stepsizes[bandno].expn;
}
}
/* RGN value*/
l_tccp_info->roishift = l_tccp->roishift;
}
return cstr_info;
}
/**
* Get the codestream index from a JPEG2000 codec.
*
*@param p_j2k the component image header to dump.
*
*@return the codestream index extract from the jpg2000 codec
*/
opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_v2_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;
}
opj_bool opj_j2k_allocate_tile_element_cstr_index(opj_j2k_v2_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;
}
/**
* Reads the tiles.
*/
opj_bool opj_j2k_decode_tiles ( opj_j2k_v2_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;
l_current_data = (OPJ_BYTE*)opj_malloc(1000);
if (! l_current_data) {
return OPJ_FALSE;
}
l_max_data_size = 1000;
while (OPJ_TRUE) {
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) {
l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_data_size);
if (! l_current_data) {
opj_free(l_current_data);
return OPJ_FALSE;
}
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_v2(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_v2(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
}
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 void opj_j2k_setup_decoding (opj_j2k_v2_t *p_j2k)
{
/* preconditions*/
assert(p_j2k != 00);
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_decode_tiles);
/* DEVELOPER CORNER, add your custom procedures */
}
/*
* Read and decode one tile.
*/
static opj_bool opj_j2k_decode_one_tile ( opj_j2k_v2_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;
l_current_data = (OPJ_BYTE*)opj_malloc(1000);
if (! l_current_data) {
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 = 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_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
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_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
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;
}
while (OPJ_TRUE) {
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) {
l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_data_size);
if (! l_current_data) {
opj_free(l_current_data);
return OPJ_FALSE;
}
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_v2(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
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_v2(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no);
if(l_current_tile_no == l_tile_no_to_dec)
{
/* move into the codestream to the 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_v2(p_manager, EVT_ERROR, "Problem with seek function\n");
return OPJ_FALSE;
}
break;
}
else {
opj_event_msg_v2(p_manager, EVT_WARNING, "Tile read, decode and updated is not the desired (%d vs %d).\n", l_current_tile_no, l_tile_no_to_dec);
}
}
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 void opj_j2k_setup_decoding_tile (opj_j2k_v2_t *p_j2k)
{
/* preconditions*/
assert(p_j2k != 00);
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_decode_one_tile);
/* DEVELOPER CORNER, add your custom procedures */
}
/**
* Decodes the tiles of the stream.
*/
opj_bool opj_j2k_decode(opj_j2k_v2_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);
/* 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;
p_j2k->m_output_image->comps[compno].data = NULL;
}
return OPJ_TRUE;
}
/**
* Get the decoded tile.
*
* @param p_j2k the jpeg2000 codestream codec.
* @param p_stream input_stream
* @param p_image output image. .
* @param p_manager the user event manager
* @param tile_index index of the tile we want decode
*
* @return true if succeed.
*/
opj_bool opj_j2k_get_tile( opj_j2k_v2_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_v2(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_v2(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 = int_ceildiv(p_image->x0, l_img_comp->dx);
l_img_comp->y0 = int_ceildiv(p_image->y0, l_img_comp->dy);
l_comp_x1 = int_ceildiv(p_image->x1, l_img_comp->dx);
l_comp_y1 = int_ceildiv(p_image->y1, l_img_comp->dy);
l_img_comp->w = int_ceildivpow2(l_comp_x1, l_img_comp->factor) - int_ceildivpow2(l_img_comp->x0, l_img_comp->factor);
l_img_comp->h = int_ceildivpow2(l_comp_y1, l_img_comp->factor) - int_ceildivpow2(l_img_comp->y0, 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 = tile_index;
/* customization of the decoding */
opj_j2k_setup_decoding_tile(p_j2k);
/* 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_v2_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_v2(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;
}
/**
* Encodes all the tiles in a row.
*/
opj_bool opj_j2k_encode_v2( opj_j2k_v2_t * p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager )
{
OPJ_UINT32 i;
OPJ_UINT32 l_nb_tiles;
OPJ_UINT32 l_max_tile_size, l_current_tile_size;
OPJ_BYTE * l_current_data;
/* preconditions */
assert(p_j2k != 00);
assert(p_stream != 00);
assert(p_manager != 00);
l_current_data = (OPJ_BYTE*)opj_malloc(1000);
if (! l_current_data) {
return OPJ_FALSE;
}
l_max_tile_size = 1000;
l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
for (i=0;i<l_nb_tiles;++i) {
if (! opj_j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) {
opj_free(l_current_data);
return OPJ_FALSE;
}
l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
if (l_current_tile_size > l_max_tile_size) {
l_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_tile_size);
if (! l_current_data) {
return OPJ_FALSE;
}
l_max_tile_size = l_current_tile_size;
}
opj_j2k_get_tile_data(p_j2k->m_tcd,l_current_data);
if (! opj_j2k_post_write_tile (p_j2k,l_current_data,l_current_tile_size,p_stream,p_manager)) {
return OPJ_FALSE;
}
}
opj_free(l_current_data);
return OPJ_TRUE;
}
/**
* Ends the compression procedures and possibility add data to be read after the
* codestream.
*/
opj_bool opj_j2k_end_compress( opj_j2k_v2_t *p_j2k,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager)
{
/* customization of the encoding */
opj_j2k_setup_end_compress(p_j2k);
if (! opj_j2k_exec (p_j2k, p_j2k->m_procedure_list, p_stream, p_manager))
{
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Starts a compression scheme, i.e. validates the codec parameters, writes the header.
*
* @param p_j2k the jpeg2000 codec.
* @param p_stream the stream object.
* @param p_manager the user event manager.
*
* @return true if the codec is valid.
*/
opj_bool opj_j2k_start_compress(opj_j2k_v2_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();
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 */
opj_j2k_setup_encoding_validation (p_j2k);
/* 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 */
opj_j2k_setup_header_writting(p_j2k);
/* write header */
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_pre_write_tile ( opj_j2k_v2_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_v2(p_manager, EVT_ERROR, "The given tile index does not match." );
return OPJ_FALSE;
}
opj_event_msg_v2(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)) {
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/*
*
*/
void opj_j2k_get_tile_data (opj_tcd_v2_t * p_tcd, OPJ_BYTE * p_data)
{
OPJ_UINT32 i,j,k = 0;
OPJ_UINT32 l_width,l_height,l_stride, l_offset_x,l_offset_y, l_image_width;
opj_image_comp_t * l_img_comp = 00;
opj_tcd_tilecomp_v2_t * l_tilec = 00;
opj_image_t * l_image = 00;
OPJ_UINT32 l_size_comp, l_remaining;
OPJ_INT32 * l_src_ptr;
l_tilec = p_tcd->tcd_image->tiles->comps;
l_image = p_tcd->image;
l_img_comp = l_image->comps;
for (i=0;i<p_tcd->image->numcomps;++i) {
l_size_comp = l_img_comp->prec >> 3; /* (/8) */
l_remaining = l_img_comp->prec & 7; /* (%8) */
if (l_remaining) {
++l_size_comp;
}
if (l_size_comp == 3) {
l_size_comp = 4;
}
l_width = (l_tilec->x1 - l_tilec->x0);
l_height = (l_tilec->y1 - l_tilec->y0);
l_offset_x = int_ceildiv(l_image->x0, l_img_comp->dx);
l_offset_y = int_ceildiv(l_image->y0, l_img_comp->dy);
l_image_width = int_ceildiv(l_image->x1 - l_image->x0, l_img_comp->dx);
l_stride = l_image_width - l_width;
l_src_ptr = l_img_comp->data + (l_tilec->x0 - l_offset_x) + (l_tilec->y0 - l_offset_y) * l_image_width;
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) = (*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++) = (*(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;
}
++l_img_comp;
++l_tilec;
}
}
/**
* Write a tile.
* @param p_j2k the jpeg2000 codec.
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_post_write_tile ( opj_j2k_v2_t * p_j2k,
OPJ_BYTE * p_data,
OPJ_UINT32 p_data_size,
opj_stream_private_t *p_stream,
opj_event_mgr_t * p_manager )
{
opj_tcd_v2_t * l_tcd = 00;
opj_cp_v2_t * l_cp = 00;
opj_tcp_v2_t * l_tcp = 00;
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_tcd = p_j2k->m_tcd;
l_cp = &(p_j2k->m_cp);
l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
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;
if (! opj_tcd_copy_tile_data(l_tcd,p_data,p_data_size)) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Size mismatch between tile data and sent data." );
return OPJ_FALSE;
}
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;
}
/**
* Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
* are valid. Developers wanting to extend the library can add their own validation procedures.
*/
void opj_j2k_setup_end_compress (opj_j2k_v2_t *p_j2k)
{
/* preconditions */
assert(p_j2k != 00);
/* DEVELOPER CORNER, insert your custom procedures */
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_eoc );
if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema) {
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_updated_tlm);
}
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_epc );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_end_encoding );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_destroy_header_memory);
}
/**
* Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
* are valid. Developers wanting to extend the library can add their own validation procedures.
*/
void opj_j2k_setup_encoding_validation (opj_j2k_v2_t *p_j2k)
{
/* preconditions */
assert(p_j2k != 00);
opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_build_encoder);
opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_encoding_validation);
/* DEVELOPER CORNER, add your custom validation procedure */
opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_mct_validation);
}
/**
* Sets up the procedures to do on writing header.
* Developers wanting to extend the library can add their own writing procedures.
*/
void opj_j2k_setup_header_writting (opj_j2k_v2_t *p_j2k)
{
/* preconditions */
assert(p_j2k != 00);
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_init_info );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_soc );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_siz );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_cod );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_qcd );
if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema) {
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_image_components );
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_tlm );
if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema == CINEMA4K_24) {
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_poc );
}
}
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_regions);
if (p_j2k->m_cp.comment != 00) {
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_com);
}
/* DEVELOPER CORNER, insert your custom procedures */
if (p_j2k->m_cp.rsiz & MCT) {
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_mct_data_group );
}
/* End of Developer Corner */
if (p_j2k->cstr_index) {
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_get_end_header );
}
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_create_tcd);
opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_update_rates);
}
opj_bool opj_j2k_write_first_tile_part (opj_j2k_v2_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 compno;
OPJ_UINT32 l_nb_bytes_written = 0;
OPJ_UINT32 l_current_nb_bytes_written;
OPJ_BYTE * l_begin_data = 00;
opj_tcp_v2_t *l_tcp = 00;
opj_tcd_v2_t * l_tcd = 00;
opj_cp_v2_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;
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 (l_cp->m_specific_param.m_enc.m_cinema == 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;
}
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 (l_cp->m_specific_param.m_enc.m_cinema){
opj_j2k_update_tlm(p_j2k,l_nb_bytes_written);
}
return OPJ_TRUE;
}
opj_bool opj_j2k_write_all_tile_parts( opj_j2k_v2_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_v2_t *l_tcp = 00;
opj_tcd_v2_t * l_tcd = 00;
opj_cp_v2_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);
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_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_nb_bytes_written;
/* Writing Psot in SOT marker */
opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */
if (l_cp->m_specific_param.m_enc.m_cinema) {
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 (l_cp->m_specific_param.m_enc.m_cinema) {
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;
}
/**
* 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.
*/
opj_bool opj_j2k_write_updated_tlm( opj_j2k_v2_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;
}
/**
* 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.
*/
opj_bool opj_j2k_end_encoding( opj_j2k_v2_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_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_v2_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);
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;
}
/**
* Inits the Info
*
* @param p_stream the stream to write data to.
* @param p_j2k J2K codec.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_init_info( opj_j2k_v2_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;
/* 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_v2_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);
p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
if (! p_j2k->m_tcd) {
opj_event_msg_v2(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)) {
opj_tcd_destroy(p_j2k->m_tcd);
p_j2k->m_tcd = 00;
return OPJ_FALSE;
}
return OPJ_TRUE;
}
/**
* Writes a tile.
* @param p_j2k the jpeg2000 codec.
* @param p_stream the stream to write data to.
* @param p_manager the user event manager.
*/
opj_bool opj_j2k_write_tile (opj_j2k_v2_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_v2(p_manager, EVT_ERROR, "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
return OPJ_FALSE;
}
else {
if (! opj_j2k_post_write_tile(p_j2k,p_data,p_data_size,p_stream,p_manager)) {
opj_event_msg_v2(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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