/* * 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) 2006-2007, Parvatha Elangovan * Copyright (c) 2008, Jerome Fimes, Communications & Systemes * 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 "j2k.h" #include "opj_malloc.h" #include "opj_includes.h" #include "pi.h" #include "event.h" #include "cio.h" #include "int.h" #include "tcd.h" #include "function_list.h" #include "invert.h" #include "dwt.h" #include "mct.h" #include "image.h" /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */ /*@{*/ /*************************************************************************** ********************** TYPEDEFS ******************************************* ***************************************************************************/ /** * Correspondance prog order <-> string representation */ typedef struct j2k_prog_order { OPJ_PROG_ORDER enum_prog; OPJ_CHAR str_prog[5]; } j2k_prog_order_t; 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 */ bool (*handler) ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ); } opj_dec_memory_marker_handler_t; /** @name Local static functions */ /*@{*/ /** * 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 bool j2k_write_SPCod_SPCoc( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k, OPJ_UINT32 compno, OPJ_BYTE * p_header_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ); /** * Gets the size taken by writting a SPCod or SPCoc for the given tile and component. * * @param p_tile_no the tile indix. * @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 j2k_get_SPCod_SPCoc_size ( opj_j2k_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 bool j2k_write_SQcd_SQcc( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_read_SQcd_SQcc( opj_j2k_t *p_j2k, OPJ_UINT32 compno, OPJ_BYTE * p_header_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ); /** * Updates the Tile Length Marker. */ static void j2k_update_tlm ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size); /** * Gets the size taken by writting SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC. * * @param p_tile_no the tile indix. * @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 j2k_get_SQcd_SQcc_size ( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no ); /** * Copies the tile component parameters of all the component from the first tile component. * * @param p_j2k the J2k codec. */ static void j2k_copy_tile_component_parameters( opj_j2k_t *p_j2k ); /** * Writes the SOC marker (Start Of Codestream) * * @param p_stream the stream to write data to. * @param p_j2k J2K codec. * @param p_manager the user event manager. */ static bool j2k_write_soc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_soc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_siz( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_mct_data_group( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_siz ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_com( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_com ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_cod( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_cod ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_coc( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_number, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 j2k_write_coc_in_memory( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, struct opj_event_mgr * p_manager ); /** * Gets the maximum size taken by a coc. * * @param p_j2k the jpeg2000 codec to use. */ static OPJ_UINT32 j2k_get_max_coc_size(opj_j2k_t *p_j2k); /** * Reads a COC marker (Coding Style Component) * @param p_header_data the data contained in the COC box. * @param p_j2k the jpeg2000 codec. * @param p_header_size the size of the data contained in the COC marker. * @param p_manager the user event manager. */ static bool j2k_read_coc ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_qcd( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_qcd ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_qcc( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 j2k_write_qcc_in_memory( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, struct opj_event_mgr * p_manager ); /** * Gets the maximum size taken by a qcc. */ static OPJ_UINT32 j2k_get_max_qcc_size (opj_j2k_t *p_j2k); /** * Reads a QCC marker (Quantization component) * @param p_header_data the data contained in the QCC box. * @param p_j2k the jpeg2000 codec. * @param p_header_size the size of the data contained in the QCC marker. * @param p_manager the user event manager. */ static bool j2k_read_qcc( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_poc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_updated_tlm( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 j2k_write_poc_in_memory( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, struct opj_event_mgr * p_manager ); /** * Gets the maximum size taken by the writting of a POC. */ static OPJ_UINT32 j2k_get_max_poc_size(opj_j2k_t *p_j2k); /** * Gets the maximum size taken by the toc headers of all the tile parts of any given tile. */ static OPJ_UINT32 j2k_get_max_toc_size (opj_j2k_t *p_j2k); /** * Gets the maximum size taken by the headers of the SOT. * * @param p_j2k the jpeg2000 codec to use. */ static OPJ_UINT32 j2k_get_specific_header_sizes(opj_j2k_t *p_j2k); /** * Reads a POC marker (Progression Order Change) * * @param p_header_data the data contained in the POC box. * @param p_j2k the jpeg2000 codec. * @param p_header_size the size of the data contained in the POC marker. * @param p_manager the user event manager. */ static bool j2k_read_poc ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_read_crg ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_read_tlm ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_read_plm ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_read_plt ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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. */ static bool j2k_read_ppm ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_read_ppt ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_tlm( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_sot( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, const struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_sot ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_sod( opj_j2k_t *p_j2k, struct opj_tcd * p_tile_coder, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_total_data_size, const struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_sod ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_write_rgn( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_rgn ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_eoc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * Copies the tile component parameters of all the component from the first tile component. * * @param p_j2k the J2k codec. */ static void j2k_copy_tile_quantization_parameters( opj_j2k_t *p_j2k ); /** * 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 bool j2k_read_eoc ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_init_info( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_read_unk ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_end_encoding( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_cbd( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_cbd ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_mct_record( opj_j2k_t *p_j2k, opj_mct_data_t * p_mct_record, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_read_mct ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_mcc_record( opj_j2k_t *p_j2k, struct opj_simple_mcc_decorrelation_data * p_mcc_record, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); /** * 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 bool j2k_read_mcc ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_mco( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_read_mco ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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 bool j2k_write_image_components( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_regions( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_write_epc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool 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 j2k_get_num_tp( opj_cp_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno); /** * Calculates the total number of tile parts needed by the encoder to * encode such an image. If not enough memory is available, then the function return false. * * @param p_nb_tiles pointer that will hold the number of tile parts. * @param cp the coding parameters for the image. * @param image the image to encode. * @param p_j2k the p_j2k encoder. * @param p_manager the user event manager. * * @return true if the function was successful, false else. */ static bool j2k_calculate_tp( opj_j2k_t *p_j2k, opj_cp_t *cp, OPJ_UINT32 * p_nb_tiles, opj_image_t *image, opj_event_mgr_t * p_manager); static bool j2k_write_first_tile_part ( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_total_data_size, opj_stream_private_t *p_stream, struct opj_event_mgr * p_manager ); static bool j2k_write_all_tile_parts( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_total_data_size, opj_stream_private_t *p_stream, struct opj_event_mgr * p_manager ); /** * 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 * 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 j2k_tcp_destroy (opj_tcp_t *p_tcp); static void j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data); /** * Destroys a coding parameter structure. * * @param p_cp the coding parameter to destroy. */ static void j2k_cp_destroy (opj_cp_t *p_cp); /** * 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 j2k_setup_encoding_validation (opj_j2k_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 j2k_setup_decoding_validation (opj_j2k_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 j2k_setup_end_compress (opj_j2k_t *p_j2k); /** * 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 bool j2k_create_tcd( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 bool j2k_exec ( opj_j2k_t * p_j2k, opj_procedure_list_t * p_procedure_list, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Updates the rates of the tcp. * * @param p_stream the stream to write data to. * @param p_j2k J2K codec. * @param p_manager the user event manager. */ static bool j2k_update_rates( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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. */ bool j2k_encoding_validation ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * The read header procedure. */ bool j2k_read_header_procedure( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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. */ bool j2k_decoding_validation ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Reads the tiles. */ bool j2k_decode_tiles ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager); /** * The mct encoding validation procedure. * * @param p_j2k the jpeg2000 codec to validate. * @param p_stream the input stream to validate. * @param p_manager the user event manager. * * @return true if the parameters are correct. */ bool j2k_mct_validation ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Builds the tcd decoder to use to decode tile. */ bool j2k_build_decoder ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Builds the tcd encoder to use to encode tile. */ bool j2k_build_encoder ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Copies the decoding tile parameters onto all the tile parameters. * Creates also the tile decoder. */ bool j2k_copy_default_tcp_and_create_tcd( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Destroys the memory associated with the decoding of headers. */ bool j2k_destroy_header_memory ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); /** * Sets up the procedures to do on writting header. Developpers wanting to extend the library can add their own writting procedures. */ void j2k_setup_header_writting (opj_j2k_t *p_j2k); /** * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures. */ void j2k_setup_header_reading (opj_j2k_t *p_j2k); /** * 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. */ static bool j2k_post_write_tile ( opj_j2k_t * p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); static bool j2k_pre_write_tile ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_index, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ); static bool j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data); static bool j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image, OPJ_UINT32 p_index); /** * 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 bool j2k_get_end_header( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ); static void j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); static void j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); /*@}*/ /*@}*/ /* ----------------------------------------------------------------------- */ /**************************************************************************** ********************* CONSTANTS ******************************************** ****************************************************************************/ /** * List of progression orders. */ const j2k_prog_order_t j2k_prog_order_list [] = { {CPRL, "CPRL"}, {LRCP, "LRCP"}, {PCRL, "PCRL"}, {RLCP, "RLCP"}, {RPCL, "RPCL"}, {(OPJ_PROG_ORDER)-1, ""} }; const OPJ_UINT32 MCT_ELEMENT_SIZE [] = { 2, 4, 4, 8 }; typedef void (* j2k_mct_function) (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem); const j2k_mct_function j2k_mct_read_functions_to_float [] = { j2k_read_int16_to_float, j2k_read_int32_to_float, j2k_read_float32_to_float, j2k_read_float64_to_float }; const j2k_mct_function j2k_mct_read_functions_to_int32 [] = { j2k_read_int16_to_int32, j2k_read_int32_to_int32, j2k_read_float32_to_int32, j2k_read_float64_to_int32 }; const j2k_mct_function j2k_mct_write_functions_from_float [] = { j2k_write_float_to_int16, j2k_write_float_to_int32, j2k_write_float_to_float, j2k_write_float_to_float64 }; /*const opj_dec_stream_marker_handler_t j2k_stream_marker_handler_tab[] = { {J2K_MS_SOC, J2K_DEC_STATE_MHSOC, j2k_read_soc}, {J2K_MS_SOD, J2K_DEC_STATE_TPH, j2k_read_sod}, {J2K_MS_EOC, J2K_DEC_STATE_TPHSOT, j2k_read_eoc}, {J2K_MS_SOP, 0, 0}, #ifdef USE_JPWL {J2K_MS_EPC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epc}, {J2K_MS_EPB, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epb}, {J2K_MS_ESD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_esd}, {J2K_MS_RED, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_red}, #endif #ifdef USE_JPSEC {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec}, {J2K_MS_INSEC, 0, j2k_read_insec}, #endif {0, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_unk} };*/ const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] = { {J2K_MS_SOT, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPHSOT, j2k_read_sot}, {J2K_MS_COD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_cod}, {J2K_MS_COC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_coc}, {J2K_MS_RGN, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_rgn}, {J2K_MS_QCD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_qcd}, {J2K_MS_QCC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_qcc}, {J2K_MS_POC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_poc}, {J2K_MS_SIZ, J2K_DEC_STATE_MHSIZ , j2k_read_siz}, {J2K_MS_TLM, J2K_DEC_STATE_MH, j2k_read_tlm}, {J2K_MS_PLM, J2K_DEC_STATE_MH, j2k_read_plm}, {J2K_MS_PLT, J2K_DEC_STATE_TPH, j2k_read_plt}, {J2K_MS_PPM, J2K_DEC_STATE_MH, j2k_read_ppm}, {J2K_MS_PPT, J2K_DEC_STATE_TPH, j2k_read_ppt}, {J2K_MS_SOP, 0, 0}, {J2K_MS_CRG, J2K_DEC_STATE_MH, j2k_read_crg}, {J2K_MS_COM, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_com}, {J2K_MS_MCT, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mct}, {J2K_MS_CBD, J2K_DEC_STATE_MH , j2k_read_cbd}, {J2K_MS_MCC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mcc}, {J2K_MS_MCO, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_mco}, #ifdef USE_JPWL {J2K_MS_EPC, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epc}, {J2K_MS_EPB, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_epb}, {J2K_MS_ESD, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_esd}, {J2K_MS_RED, J2K_DEC_STATE_MH | J2K_DEC_STATE_TPH, j2k_read_red}, #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 */ }; void 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;ienum_prog != -1; ++po ) { if (po->enum_prog == p_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. */ bool 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; bool loss = false; OPJ_UINT32 layno0 = 0; packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers, sizeof(OPJ_UINT32)); if (packet_array == 00) { opj_event_msg(p_manager , EVT_ERROR, "Not enough memory for checking the poc values.\n"); return false; } memset(packet_array,0,step_l * p_num_layers* sizeof(OPJ_UINT32)); if (p_nb_pocs == 0) { return true; } index = step_r * p_pocs->resno0; // take each resolution for each poc for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) { OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c; // take each comp of each resolution for each poc for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) { OPJ_UINT32 comp_index = res_index + layno0 * step_l; // and finally take each layer of each res of ... for (layno = layno0; layno < p_pocs->layno1 ; ++layno) { //index = step_r * resno + step_c * compno + step_l * layno; packet_array[comp_index] = 1; comp_index += step_l; } res_index += step_c; } index += step_r; } ++p_pocs; // iterate through all the pocs for (i = 1; i < p_nb_pocs ; ++i) { OPJ_UINT32 l_last_layno1 = (p_pocs-1)->layno1 ; layno0 = (p_pocs->layno1 > l_last_layno1)? l_last_layno1 : 0; index = step_r * p_pocs->resno0; // take each resolution for each poc for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) { OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c; // take each comp of each resolution for each poc for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) { OPJ_UINT32 comp_index = res_index + layno0 * step_l; // and finally take each layer of each res of ... for (layno = layno0; layno < p_pocs->layno1 ; ++layno) { //index = step_r * resno + step_c * compno + step_l * layno; packet_array[comp_index] = 1; comp_index += step_l; } res_index += step_c; } index += step_r; } ++p_pocs; } index = 0; for (layno = 0; layno < p_num_layers ; ++layno) { for (resno = 0; resno < p_nb_resolutions; ++resno) { for (compno = 0; compno < p_num_comps; ++compno) { loss |= (packet_array[index]!=1); //index = step_r * resno + step_c * compno + step_l * layno; index += step_c; } } } if (loss) { opj_event_msg(p_manager , EVT_ERROR, "Missing packets possible loss of data\n"); } opj_free(packet_array); return !loss; } /* ----------------------------------------------------------------------- */ /** * 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 j2k_get_num_tp(opj_cp_t *cp,OPJ_UINT32 pino,OPJ_UINT32 tileno) { const OPJ_CHAR *prog = 00; OPJ_UINT32 i; OPJ_UINT32 tpnum = 1; opj_tcp_t *tcp = 00; opj_poc_t * l_current_poc = 00; // preconditions only in debug 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 = 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. */ bool j2k_calculate_tp( opj_j2k_t *p_j2k, opj_cp_t *cp, OPJ_UINT32 * p_nb_tiles, opj_image_t *image, opj_event_mgr_t * p_manager) { OPJ_UINT32 pino,tileno; OPJ_UINT32 l_nb_tiles; opj_tcp_t *tcp; // preconditions assert(p_nb_tiles != 00); assert(cp != 00); assert(image != 00); assert(p_j2k != 00); assert(p_manager != 00); l_nb_tiles = cp->tw * cp->th; * p_nb_tiles = 0; tcp = cp->tcps; /* INDEX >> */ 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 = 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 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=0; tp_num = 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 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. */ bool j2k_write_soc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 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); #endif /* USE_JPWL */ return true; /* <m_specific_param.m_decoder.m_state = J2K_DEC_STATE_MHSIZ; /* Index */ if (p_j2k->cstr_info) { //TODO p_j2k->cstr_info->main_head_start = opj_stream_tell(p_stream) - 2; // why - 2 ? p_j2k->cstr_info->codestream_size = 0;/*p_stream_numbytesleft(p_j2k->p_stream) + 2 - p_j2k->cstr_info->main_head_start*/; } return 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. */ bool j2k_write_siz( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; OPJ_UINT32 l_size_len; OPJ_BYTE * l_current_ptr; opj_image_t * l_image = 00; opj_cp_t *cp = 00; opj_image_comp_t * l_img_comp = 00; // preconditions assert(p_stream != 00); assert(p_j2k != 00); assert(p_manager != 00); l_image = p_j2k->m_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 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 false; } return 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. */ bool j2k_read_siz ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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_t *l_cp = 00; opj_image_comp_t * l_img_comp = 00; opj_tcp_t * l_current_tile_param = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_header_data != 00); l_image = p_j2k->m_image; l_cp = &(p_j2k->m_cp); if (p_header_size < 36) { opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n"); return false; } l_remaining_size = p_header_size - 36; l_nb_comp = l_remaining_size / 3; l_nb_comp_remain = l_remaining_size % 3; if (l_nb_comp_remain != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n"); return 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, (&l_cp->tdx),4); /* XTsiz */ p_header_data+=4; opj_read_bytes(p_header_data,&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,(&l_image->numcomps),2); /* Csiz */ p_header_data+=2; if (l_image->numcomps != l_nb_comp) { opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n"); return false; } #ifdef USE_JPWL if (p_j2k->m_cp->correct) { /* if JPWL is on, we check whether TX errors have damaged too much the SIZ parameters */ if (!(image->x1 * image->y1)) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: bad image size (%d x %d)\n", image->x1, image->y1); if (!JPWL_ASSUME || JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } } if (image->numcomps != ((len - 38) / 3)) { opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n", image->numcomps, ((len - 38) / 3)); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"); if (image->numcomps < ((len - 38) / 3)) { len = 38 + 3 * image->numcomps; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n", len); } else { image->numcomps = ((len - 38) / 3); opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n", image->numcomps); } } /* update components number in the jpwl_exp_comps filed */ cp->exp_comps = image->numcomps; } #endif /* USE_JPWL */ l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps, sizeof(opj_image_comp_t)); if (l_image->comps == 00) { l_image->numcomps = 0; opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return false; } memset(l_image->comps,0,l_image->numcomps * sizeof(opj_image_comp_t)); l_img_comp = l_image->comps; 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,&l_img_comp->dx,1); /* XRsiz_i */ ++p_header_data; opj_read_bytes(p_header_data,&l_img_comp->dy,1); /* YRsiz_i */ ++p_header_data; #ifdef USE_JPWL if (p_j2k->m_cp->correct) { /* if JPWL is on, we check whether TX errors have damaged too much the SIZ parameters, again */ if (!(image->comps[i].dx * image->comps[i].dy)) { opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n", i, i, image->comps[i].dx, image->comps[i].dy); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"); if (!image->comps[i].dx) { image->comps[i].dx = 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n", i, image->comps[i].dx); } if (!image->comps[i].dy) { image->comps[i].dy = 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n", i, 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; } 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; 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 (p_j2k->m_cp->correct) { /* if JPWL is on, we check whether TX errors have damaged too much the SIZ parameters */ if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) { opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, "JPWL: bad number of tiles (%d x %d)\n", cp->tw, cp->th); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"); if (cp->tw < 1) { cp->tw= 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n", cp->tw); } if (cp->tw > cp->max_tiles) { cp->tw= 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n" "- setting %d tiles in x => HYPOTHESIS!!!\n", cp->max_tiles, cp->tw); } if (cp->th < 1) { cp->th= 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n", cp->th); } if (cp->th > cp->max_tiles) { cp->th= 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n", "- setting %d tiles in y => HYPOTHESIS!!!\n", cp->max_tiles, cp->th); } } } #endif /* USE_JPWL */ /* memory allocations */ l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t)); if (l_cp->tcps == 00) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return false; } memset(l_cp->tcps,0,l_nb_tiles*sizeof(opj_tcp_t)); #ifdef USE_JPWL if (p_j2k->m_cp->correct) { if (!cp->tcps) { opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, "JPWL: could not alloc tcps field of cp\n"); if (!JPWL_ASSUME || JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } } } #endif /* USE_JPWL */ p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t)); if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return 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(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return 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(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return 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;inumcomps;++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(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return 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_DEC_STATE_MH; opj_image_comp_update(l_image,l_cp); /* Index */ if (p_j2k->cstr_info) { opj_codestream_info_t *cstr_info = p_j2k->cstr_info; cstr_info->image_w = l_image->x1 - l_image->x0; cstr_info->image_h = l_image->y1 - l_image->y0; cstr_info->numcomps = l_image->numcomps; cstr_info->tw = l_cp->tw; cstr_info->th = l_cp->th; cstr_info->tile_x = l_cp->tdx; cstr_info->tile_y = l_cp->tdy; cstr_info->tile_Ox = l_cp->tx0; cstr_info->tile_Oy = l_cp->ty0; cstr_info->tile = (opj_tile_info_t*) opj_calloc(l_nb_tiles, sizeof(opj_tile_info_t)); if (cstr_info->tile == 00) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n"); return false; } memset(cstr_info->tile,0,l_nb_tiles * sizeof(opj_tile_info_t)); } return 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. */ bool j2k_write_com( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 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 false; } return 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. */ bool j2k_read_com ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_header_data != 00); return true; } /** * Gets the size taken by writting a SPCod or SPCoc for the given tile and component. * * @param p_tile_no the tile indix. * @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 j2k_get_SPCod_SPCoc_size ( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no ) { opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; // preconditions assert(p_j2k != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_tile_no]; l_tccp = &l_tcp->tccps[p_comp_no]; // preconditions again assert(p_tile_no < (l_cp->tw * l_cp->th)); assert(p_comp_no < p_j2k->m_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. * */ bool j2k_write_SPCod_SPCoc( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; // preconditions assert(p_j2k != 00); assert(p_header_size != 00); assert(p_manager != 00); assert(p_data != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_tile_no]; l_tccp = &l_tcp->tccps[p_comp_no]; // preconditions again assert(p_tile_no < (l_cp->tw * l_cp->th)); assert(p_comp_no <(p_j2k->m_image->numcomps)); if (*p_header_size < 5) { opj_event_msg(p_manager, EVT_ERROR, "Error writting SPCod SPCoc element\n"); return false; } opj_write_bytes(p_data,l_tccp->numresolutions - 1, 1); /* SPcoc (D) */ ++p_data; opj_write_bytes(p_data,l_tccp->cblkw - 2, 1); /* SPcoc (E) */ ++p_data; opj_write_bytes(p_data,l_tccp->cblkh - 2, 1); /* SPcoc (F) */ ++p_data; opj_write_bytes(p_data,l_tccp->cblksty, 1); /* SPcoc (G) */ ++p_data; opj_write_bytes(p_data,l_tccp->qmfbid, 1); /* SPcoc (H) */ ++p_data; *p_header_size = *p_header_size - 5; if (l_tccp->csty & J2K_CCP_CSTY_PRT) { if (*p_header_size < l_tccp->numresolutions) { opj_event_msg(p_manager, EVT_ERROR, "Error writting SPCod SPCoc element\n"); return 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 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. */ bool j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k, OPJ_UINT32 compno, OPJ_BYTE * p_header_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ) { // loop OPJ_UINT32 i; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; OPJ_BYTE * l_current_ptr = 00; OPJ_UINT32 l_tmp; // 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_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(compno < p_j2k->m_image->numcomps); l_tccp = &l_tcp->tccps[compno]; l_current_ptr = p_header_data; // make sure room is sufficient if (* p_header_size < 5) { opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n"); return 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(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 |= J2K_DEC_STATE_ERR; return 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(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n"); return 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; } } /* INDEX >> */ if (p_j2k->cstr_info && compno == 0) { OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32); 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 */ return true; } /** * Copies the tile component parameters of all the component from the first tile component. * * @param p_j2k the J2k codec. */ void j2k_copy_tile_component_parameters( opj_j2k_t *p_j2k ) { // loop OPJ_UINT32 i; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_ref_tccp = 00; opj_tccp_t *l_copied_tccp = 00; 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_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;im_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; } } /** * 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. */ bool j2k_write_cod( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; OPJ_UINT32 l_code_size,l_remaining_size; OPJ_BYTE * l_current_data = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number]; l_code_size = 9 + 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 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 (! j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Error writting COD marker\n"); return false; } if (l_remaining_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error writting COD marker\n"); return 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 false; } return 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. */ bool j2k_read_cod ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { // loop OPJ_UINT32 i; OPJ_UINT32 l_tmp; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_image_t *l_image = 00; // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); l_cp = &(p_j2k->m_cp); l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == 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_image; // make sure room is sufficient if (p_header_size < 5) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n"); return 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 (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 (! j2k_read_SPCod_SPCoc(p_j2k,0,p_header_data,&p_header_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n"); return false; } if (p_header_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n"); return false; } j2k_copy_tile_component_parameters(p_j2k); /* Index */ if (p_j2k->cstr_info) { opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info; l_cstr_info->prog = l_tcp->prg; l_cstr_info->numlayers = l_tcp->numlayers; l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(l_image->numcomps * sizeof(OPJ_UINT32)); for (i = 0; i < l_image->numcomps; ++i) { l_cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1; } } return 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. */ bool j2k_write_coc( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, struct opj_stream_private *p_stream, struct opj_event_mgr * 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_image->numcomps <= 256) ? 1 : 2; l_coc_size = 5 + l_comp_room + 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 false; } p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size; } 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 false; } return true; } /** * Gets the maximum size taken by a coc. * * @param p_j2k the jpeg2000 codec to use. */ OPJ_UINT32 j2k_get_max_coc_size(opj_j2k_t *p_j2k) { OPJ_UINT32 i,j; OPJ_UINT32 l_nb_comp; OPJ_UINT32 l_nb_tiles; OPJ_UINT32 l_max = 0; // preconditions l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ; l_nb_comp = p_j2k->m_image->numcomps; for (i=0;im_cp.tcps; l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ; for (i=0;im_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 j2k_get_specific_header_sizes(opj_j2k_t *p_j2k) { OPJ_UINT32 l_nb_bytes = 0; OPJ_UINT32 l_nb_comps; OPJ_UINT32 l_coc_bytes,l_qcc_bytes; l_nb_comps = p_j2k->m_image->numcomps - 1; l_nb_bytes += j2k_get_max_toc_size(p_j2k); if (p_j2k->m_cp.m_specific_param.m_enc.m_cinema == 0) { l_coc_bytes = j2k_get_max_coc_size(p_j2k); l_nb_bytes += l_nb_comps * l_coc_bytes; l_qcc_bytes = j2k_get_max_qcc_size(p_j2k); l_nb_bytes += l_nb_comps * l_qcc_bytes; } l_nb_bytes += j2k_get_max_poc_size(p_j2k); /*** DEVELOPER CORNER, Add room for your headers ***/ return l_nb_bytes; } /** * 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 j2k_write_coc_in_memory( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, struct opj_event_mgr * p_manager ) { opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; OPJ_UINT32 l_coc_size,l_remaining_size; OPJ_BYTE * l_current_data = 00; opj_image_t *l_image = 00; OPJ_UINT32 l_comp_room; // preconditions assert(p_j2k != 00); assert(p_manager != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number]; l_image = p_j2k->m_image; l_comp_room = (l_image->numcomps <= 256) ? 1 : 2; l_coc_size = 5 + l_comp_room + 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); 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; } /** * 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. */ bool j2k_read_coc ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_image_t *l_image = 00; 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_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_image; l_comp_room = l_image->numcomps <= 256 ? 1 : 2; // make sure room is sufficient if (p_header_size < l_comp_room + 1) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n"); return false; } p_header_size -= l_comp_room + 1; opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Ccoc */ p_header_data += l_comp_room; if (l_comp_no >= l_image->numcomps) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker (bad number of components)\n"); return false; } opj_read_bytes(p_header_data,&l_tcp->tccps[l_comp_no].csty,1); /* Scoc */ ++p_header_data ; if (! j2k_read_SPCod_SPCoc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n"); return false; } if (p_header_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n"); return false; } return true; } /** * Gets the size taken by writting SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC. * * @param p_tile_no the tile indix. * @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 j2k_get_SQcd_SQcc_size ( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no ) { OPJ_UINT32 l_num_bands; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; // preconditions assert(p_j2k != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_tile_no]; l_tccp = &l_tcp->tccps[p_comp_no]; // preconditions again assert(p_tile_no < l_cp->tw * l_cp->th); assert(p_comp_no < p_j2k->m_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. * */ bool j2k_write_SQcd_SQcc( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_header_size; OPJ_UINT32 l_band_no, l_num_bands; OPJ_UINT32 l_expn,l_mant; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; // preconditions assert(p_j2k != 00); assert(p_header_size != 00); assert(p_manager != 00); assert(p_data != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_tile_no]; l_tccp = &l_tcp->tccps[p_comp_no]; // preconditions again assert(p_tile_no < l_cp->tw * l_cp->th); assert(p_comp_no m_image->numcomps); l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2); if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { l_header_size = 1 + l_num_bands; if (*p_header_size < l_header_size) { opj_event_msg(p_manager, EVT_ERROR, "Error writting SQcd SQcc element\n"); return 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(p_manager, EVT_ERROR, "Error writting SQcd SQcc element\n"); return 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 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. */ bool j2k_read_SQcd_SQcc( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE* p_header_data, OPJ_UINT32 * p_header_size, struct opj_event_mgr * p_manager ) { // loop OPJ_UINT32 l_band_no; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; OPJ_BYTE * l_current_ptr = 00; OPJ_UINT32 l_tmp; OPJ_UINT32 l_num_band; // 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_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_image->numcomps); l_tccp = &l_tcp->tccps[p_comp_no]; l_current_ptr = p_header_data; if (* p_header_size < 1) { opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n"); return 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(p_manager, EVT_ERROR, "Error reading CCP_QNTSTY element\n"); return false; } } #ifdef USE_JPWL if (p_j2k->m_cp->correct) { /* if JPWL is on, we check whether there are too many subbands */ if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) { opj_event_msg(p_j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, "JPWL: bad number of subbands in Sqcx (%d)\n", numbands); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ numbands = 1; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust them\n" "- setting number of bands to %d => HYPOTHESIS!!!\n", numbands); }; }; #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; 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; 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 true; } /** * Copies the tile component parameters of all the component from the first tile component. * * @param p_j2k the J2k codec. */ void j2k_copy_tile_quantization_parameters( opj_j2k_t *p_j2k ) { // loop OPJ_UINT32 i; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_ref_tccp = 00; opj_tccp_t *l_copied_tccp = 00; 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_DEC_STATE_TPH ? &l_cp->tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp; // precondition again 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;im_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; } } /** * 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. */ bool j2k_write_qcd( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { opj_cp_t *l_cp = 00; opj_tcp_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 + 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 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 (! j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Error writting QCD marker\n"); return false; } if (l_remaining_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error writting QCD marker\n"); return 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 false; } return 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. */ bool j2k_read_qcd ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); if (! j2k_read_SQcd_SQcc(p_j2k,0,p_header_data,&p_header_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n"); return false; } if (p_header_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n"); return false; } j2k_copy_tile_quantization_parameters(p_j2k); return 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. */ bool j2k_write_qcc( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, struct opj_stream_private *p_stream, struct opj_event_mgr * 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 + 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 false; } p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size; } 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 false; } return 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 j2k_write_qcc_in_memory( opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, struct opj_event_mgr * 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 + 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_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; } 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 j2k_get_max_qcc_size (opj_j2k_t *p_j2k) { return 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. */ bool j2k_read_qcc( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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_image->numcomps; #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 ((compno < 0) || (compno >= numcomp)) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: bad component number in QCC (%d out of a maximum of %d)\n", compno, numcomp); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ compno = backup_compno % numcomp; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n" "- setting component number to %d\n", compno); } /* keep your private count of tiles */ backup_compno++; }; #endif /* USE_JPWL */ if (l_num_comp <= 256) { if (p_header_size < 1) { opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); return false; } opj_read_bytes(p_header_data,&l_comp_no,1); ++p_header_data; --p_header_size; } else { if (p_header_size < 2) { opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); return false; } opj_read_bytes(p_header_data,&l_comp_no,2); p_header_data+=2; p_header_size-=2; } if (! j2k_read_SQcd_SQcc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); return false; } if (p_header_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n"); return false; } return 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. */ bool j2k_write_cbd( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; OPJ_UINT32 l_cbd_size; OPJ_BYTE * l_current_data = 00; opj_image_t *l_image = 00; opj_image_comp_t * l_comp = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_image = p_j2k->m_image; l_cbd_size = 6 + p_j2k->m_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 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;inumcomps;++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 false; } return 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. */ bool j2k_read_cbd ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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_image->numcomps; if (p_header_size != (p_j2k->m_image->numcomps + 2)) { opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n"); return false; } opj_read_bytes(p_header_data,&l_nb_comp,2); /* Ncbd */ p_header_data+=2; if (l_nb_comp != l_num_comp) { opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n"); return false; } l_comp = p_j2k->m_image->comps; for (i=0;isgnd = (l_comp_def>>7) & 1; l_comp->prec = (l_comp_def&0x7f) + 1; ++l_comp; } return 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. */ bool j2k_write_mcc_record( opj_j2k_t *p_j2k, struct opj_simple_mcc_decorrelation_data * p_mcc_record, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; OPJ_UINT32 l_mcc_size; OPJ_BYTE * l_current_data = 00; OPJ_UINT32 l_nb_bytes_for_comp; OPJ_UINT32 l_mask; OPJ_UINT32 l_tmcc; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); if (p_mcc_record->m_nb_comps > 255 ) { l_nb_bytes_for_comp = 2; l_mask = 0x8000; } else { l_nb_bytes_for_comp = 1; l_mask = 0; } l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19; if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 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 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;im_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;im_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 false; } return 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. */ bool j2k_read_mcc ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i,j; OPJ_UINT32 l_tmp; OPJ_UINT32 l_indix; opj_tcp_t * l_tcp; opj_simple_mcc_decorrelation_data_t * l_mcc_record; opj_mct_data_t * l_mct_data; OPJ_UINT32 l_nb_collections; OPJ_UINT32 l_nb_comps; OPJ_UINT32 l_nb_bytes_by_comp; // 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_DEC_STATE_TPH ? &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp; if (p_header_size < 2) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return false; } /* first marker */ opj_read_bytes(p_header_data,&l_tmp,2); /* Zmcc */ p_header_data += 2; if (l_tmp != 0) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n"); return true; } if (p_header_size < 7) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return 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;im_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(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return 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(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n"); return true; } opj_read_bytes(p_header_data,&l_nb_collections,2); /* Qmcc -> number of collections -> 1 */ p_header_data+=2; if (l_nb_collections > 1) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple collections\n"); return true; } p_header_size -= 7; for (i=0;i array based decorrelation */ ++p_header_data; if (l_tmp != 1) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections other than array decorrelation\n"); return true; } opj_read_bytes(p_header_data,&l_nb_comps,2); p_header_data+=2; p_header_size-=3; l_nb_bytes_by_comp = 1 + (l_nb_comps>>15); l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff; if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return false; } p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2); for (j=0;jm_nb_comps;++j) { opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Cmccij Component offset*/ p_header_data+=l_nb_bytes_by_comp; if (l_tmp != j) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n"); return true; } } opj_read_bytes(p_header_data,&l_nb_comps,2); p_header_data+=2; l_nb_bytes_by_comp = 1 + (l_nb_comps>>15); l_nb_comps &= 0x7fff; if (l_nb_comps != l_mcc_record->m_nb_comps) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections without same number of indixes\n"); return true; } if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return false; } p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3); for (j=0;jm_nb_comps;++j) { opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Wmccij Component offset*/ p_header_data+=l_nb_bytes_by_comp; if (l_tmp != j) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n"); return 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;jm_nb_mct_records;++j) { if (l_mct_data->m_index == l_indix) { l_mcc_record->m_decorrelation_array = l_mct_data; break; } ++l_mct_data; } if (l_mcc_record->m_decorrelation_array == 00) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return false; } } l_indix = (l_tmp >> 8) & 0xff; if (l_indix != 0) { l_mct_data = l_tcp->m_mct_records; for (j=0;jm_nb_mct_records;++j) { if (l_mct_data->m_index == l_indix) { l_mcc_record->m_offset_array = l_mct_data; break; } ++l_mct_data; } if (l_mcc_record->m_offset_array == 00) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return false; } } } if (p_header_size != 0) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n"); return false; } ++l_tcp->m_nb_mcc_records; return 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. */ bool j2k_write_mct_record( opj_j2k_t *p_j2k, opj_mct_data_t * p_mct_record, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_mct_size; OPJ_BYTE * l_current_data = 00; OPJ_UINT32 l_tmp; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_mct_size = 10 + p_mct_record->m_data_size; if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) { 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 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 false; } return 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. */ bool j2k_read_mct ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; opj_tcp_t *l_tcp = 00; OPJ_UINT32 l_tmp; OPJ_UINT32 l_indix; opj_mct_data_t * l_mct_data; // preconditions assert(p_header_data != 00); assert(p_j2k != 00); l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp; if (p_header_size < 2) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n"); return false; } /* first marker */ opj_read_bytes(p_header_data,&l_tmp,2); /* Zmct */ p_header_data += 2; if (l_tmp != 0) { opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge mct data within multiple MCT records\n"); return true; } if (p_header_size <= 6) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n"); return false; } opj_read_bytes(p_header_data,&l_tmp,2); /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/ p_header_data += 2; l_indix = l_tmp & 0xff; l_mct_data = l_tcp->m_mct_records; for (i=0;im_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(p_manager, EVT_ERROR, "Error reading MCT marker\n"); return 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(p_manager, EVT_WARNING, "Cannot take in charge multiple MCT markers\n"); return true; } p_header_size -= 6; l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size); if (! l_mct_data->m_data) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n"); return 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 true; } bool j2k_setup_mct_encoding (opj_tcp_t * p_tcp,opj_image_t * p_image) { OPJ_UINT32 i; OPJ_UINT32 l_indix = 1; opj_mct_data_t * l_mct_deco_data = 00,* l_mct_offset_data = 00; opj_simple_mcc_decorrelation_data_t * l_mcc_data; OPJ_UINT32 l_mct_size,l_nb_elem; OPJ_FLOAT32 * l_data, * l_current_data; opj_tccp_t * l_tccp; // preconditions assert(p_tcp != 00); if (p_tcp->mct != 2) { return 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 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 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 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 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 false; } l_tccp = p_tcp->tccps; l_current_data = l_data; for (i=0;im_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 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 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. */ bool j2k_write_mco( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_BYTE * l_current_data = 00; OPJ_UINT32 l_mco_size; opj_tcp_t * l_tcp = 00; opj_simple_mcc_decorrelation_data_t * l_mcc_record; OPJ_UINT32 i; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_tcp =&(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]); l_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 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;im_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 false; } return 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. */ bool j2k_read_mco ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_tmp, i; OPJ_UINT32 l_nb_stages; opj_tcp_t * l_tcp; opj_tccp_t * l_tccp; opj_image_t * l_image; 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_image; l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_TPH ? &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] : p_j2k->m_specific_param.m_decoder.m_default_tcp; if (p_header_size < 1) { opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n"); return 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(p_manager, EVT_WARNING, "Cannot take in charge multiple transformation stages.\n"); return true; } if (p_header_size != l_nb_stages + 1) { opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n"); return false; } l_tccp = l_tcp->tccps; l_img_comp = l_image->comps; for (i=0;inumcomps;++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;im_image,l_tmp)) { return false; } } return true; } bool j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image, OPJ_UINT32 p_index) { OPJ_UINT32 i; opj_simple_mcc_decorrelation_data_t * l_mcc_record; opj_mct_data_t * l_deco_array, * l_offset_array; OPJ_UINT32 l_data_size,l_mct_size, l_offset_size; OPJ_UINT32 l_nb_elem; OPJ_UINT32 * l_offset_data, * l_current_offset_data; opj_tccp_t * l_tccp; // preconditions assert(p_tcp != 00); l_mcc_record = p_tcp->m_mcc_records; for (i=0;im_nb_mcc_records;++i) { if (l_mcc_record->m_index == p_index) { break; } } if (i==p_tcp->m_nb_mcc_records) { /** element discarded **/ return true; } if (l_mcc_record->m_nb_comps != p_image->numcomps) { /** do not support number of comps != image */ return 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 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 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 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 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;inumcomps;++i) { l_tccp->m_dc_level_shift = *(l_current_offset_data++); ++l_tccp; } opj_free(l_offset_data); } return 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. */ bool j2k_write_mct_data_group( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; opj_simple_mcc_decorrelation_data_t * l_mcc_record; opj_mct_data_t * l_mct_record; opj_tcp_t * l_tcp; // preconditions assert(p_j2k != 00); assert(p_stream != 00); assert(p_manager != 00); if (! j2k_write_cbd(p_j2k,p_stream,p_manager)) { return 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;im_nb_mct_records;++i) { if (! j2k_write_mct_record(p_j2k,l_mct_record,p_stream,p_manager)) { return false; } ++l_mct_record; } l_mcc_record = l_tcp->m_mcc_records; for (i=0;im_nb_mcc_records;++i) { if (! j2k_write_mcc_record(p_j2k,l_mcc_record,p_stream,p_manager)) { return false; } ++l_mcc_record; } if (! j2k_write_mco(p_j2k,p_stream,p_manager)) { return false; } return 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. */ bool j2k_write_poc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_nb_comp; OPJ_UINT32 l_nb_poc; OPJ_UINT32 l_poc_size; OPJ_UINT32 l_written_size = 0; opj_tcp_t *l_tcp = 00; opj_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_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 false; } p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size; } 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 false; } return true; } /** * Writes EPC ???? * * @param p_stream the stream to write data to. * @param p_j2k J2K codec. * @param p_manager the user event manager. */ bool j2k_write_epc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { opj_codestream_info_t * l_info = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_info = p_j2k->cstr_info; if (l_info) { l_info->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_info->codestream_size -= l_info->main_head_start; /* <epc_on) { /* encode according to JPWL */ jpwl_encode(p_j2k, p_stream, image); } #endif /* USE_JPWL */ return true; } /** * Gets the maximum size taken by the writting of a POC. */ OPJ_UINT32 j2k_get_max_poc_size(opj_j2k_t *p_j2k) { opj_tcp_t * l_tcp = 00; OPJ_UINT32 l_nb_tiles = 0; OPJ_UINT32 l_max_poc = 0; OPJ_UINT32 i; l_tcp = p_j2k->m_cp.tcps; l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; for (i=0;inumpocs); ++l_tcp; } ++l_max_poc; return 4 + 9 * l_max_poc; } /** * 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 j2k_write_poc_in_memory( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; OPJ_BYTE * l_current_data = 00; OPJ_UINT32 l_nb_comp; OPJ_UINT32 l_nb_poc; OPJ_UINT32 l_poc_size; opj_image_t *l_image = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; opj_poc_t *l_current_poc = 00; OPJ_UINT32 l_poc_room; // preconditions assert(p_j2k != 00); assert(p_manager != 00); l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]; l_tccp = &l_tcp->tccps[0]; l_image = p_j2k->m_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; } /** * 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. */ bool j2k_read_poc ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; OPJ_UINT32 l_nb_comp; 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; OPJ_UINT32 l_tmp; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_poc_t *l_current_poc = 00; OPJ_UINT32 l_comp_room; // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); l_image = p_j2k->m_image; l_nb_comp = l_image->numcomps; if (l_nb_comp <= 256) { l_comp_room = 1; } else { l_comp_room = 2; } l_chunk_size = 5 + 2 * l_comp_room; l_current_poc_nb = p_header_size / l_chunk_size; l_current_poc_remaining = p_header_size % l_chunk_size; if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) { opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n"); return false; } l_cp = &(p_j2k->m_cp); l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_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 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. */ bool j2k_write_rgn( opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, struct opj_stream_private *p_stream, struct opj_event_mgr * 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_t *l_cp = 00; opj_tcp_t *l_tcp = 00; opj_tccp_t *l_tccp = 00; OPJ_UINT32 l_comp_room; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_cp = &(p_j2k->m_cp); l_tcp = &l_cp->tcps[p_tile_no]; l_tccp = &l_tcp->tccps[p_comp_no]; 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 false; } return 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. */ bool j2k_read_rgn ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_nb_comp; opj_image_t * l_image = 00; opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; OPJ_UINT32 l_comp_room; OPJ_UINT32 l_comp_no; OPJ_UINT32 l_roi_sty; // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); l_image = p_j2k->m_image; l_nb_comp = l_image->numcomps; if (l_nb_comp <= 256) { l_comp_room = 1; } else { l_comp_room = 2; } if (p_header_size != 2 + l_comp_room) { opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n"); return false; } l_cp = &(p_j2k->m_cp); l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_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 (p_j2k->m_cp->correct) { /* totlen is negative or larger than the bytes left!!! */ if (compno >= numcomps) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: bad component number in RGN (%d when there are only %d)\n", compno, numcomps); if (!JPWL_ASSUME || JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } } }; #endif /* USE_JPWL */ opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1); /* SPrgn */ ++p_header_data; return 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. */ bool j2k_write_tlm( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_BYTE * l_current_data = 00; OPJ_UINT32 l_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 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 false; } return 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. */ bool j2k_read_tlm ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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(p_manager, EVT_ERROR, "Error reading TLM marker\n"); return 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(p_manager, EVT_ERROR, "Error reading TLM marker\n"); return false; } /* 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 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. */ bool j2k_read_crg ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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_image->numcomps; if (p_header_size != l_nb_comp *4) { opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n"); return 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 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. */ bool j2k_read_plm ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); if (p_header_size < 1) { opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n"); return 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 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. */ bool j2k_read_plt ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * 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(p_manager, EVT_ERROR, "Error reading PLM marker\n"); return 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); // 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 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. */ bool j2k_read_ppm ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { opj_cp_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(p_manager, EVT_ERROR, "Error reading RGN marker\n"); return 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(p_manager, EVT_ERROR, "Error reading PPM marker\n"); return false; } // read a N_ppm opj_read_bytes(p_header_data,&l_N_ppm,4); /* N_ppm */ p_header_data+=4; p_header_size-=4; /* First PPM marker */ 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); l_cp->ppm_data = l_cp->ppm_buffer; if (l_cp->ppm_buffer == 00) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n"); return false; } memset(l_cp->ppm_buffer,0,l_cp->ppm_len); } while (true) { 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); l_cp->ppm_data = l_cp->ppm_buffer; if (l_cp->ppm_buffer == 00) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading ppm marker\n"); return false; } memset(l_cp->ppm_buffer+l_cp->ppm_data_size,0,l_N_ppm); } else { return 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 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. */ bool j2k_read_ppt ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; OPJ_UINT32 l_Z_ppt; // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); if (p_header_size < 1) { opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n"); return false; } l_cp = &(p_j2k->m_cp); 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; // first PPM marker if (l_Z_ppt == 0) { /* First PPM marker */ l_tcp->ppt_len = p_header_size; l_tcp->ppt_data_size = 0; l_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_tcp->ppt_len); l_tcp->ppt_data = l_tcp->ppt_buffer; if (l_tcp->ppt_buffer == 00) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n"); return false; } 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(p_manager, EVT_ERROR, "Not enough memory reading PPT marker\n"); return false; } l_tcp->ppt_data = l_tcp->ppt_buffer; memset(l_tcp->ppt_buffer+l_tcp->ppt_data_size,0,p_header_size); } 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 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. */ bool j2k_write_sot( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, const 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_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); #endif /* USE_JPWL */ * p_data_written = 12; return 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. */ bool j2k_read_sot ( opj_j2k_t *p_j2k, OPJ_BYTE * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager ) { opj_cp_t *l_cp = 00; opj_tcp_t *l_tcp = 00; OPJ_UINT32 l_tot_len, l_num_parts = 0; OPJ_UINT32 l_current_part; OPJ_UINT32 l_tile_x,l_tile_y; // preconditions assert(p_header_data != 00); assert(p_j2k != 00); assert(p_manager != 00); if (p_header_size != 8) { opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n"); return 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 (p_j2k->m_cp->correct) { static int backup_tileno = 0; /* tileno is negative or larger than the number of tiles!!! */ if ((tileno < 0) || (tileno > (cp->tw * cp->th))) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: bad tile number (%d out of a maximum of %d)\n", tileno, (cp->tw * cp->th)); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ tileno = backup_tileno; opj_event_msg(p_j2k->cinfo, 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; #ifdef USE_JPWL if (p_j2k->m_cp->correct) { /* totlen is negative or larger than the bytes left!!! */ if ((totlen < 0) || (totlen > (p_stream_numbytesleft(p_stream) + 8))) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: bad tile byte size (%d bytes against %d bytes left)\n", totlen, p_stream_numbytesleft(p_stream) + 8); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); return; } /* we try to correct */ totlen = 0; opj_event_msg(p_j2k->cinfo, EVT_WARNING, "- trying to adjust this\n" "- setting Psot to %d => assuming it is the last tile\n", totlen); } }; #endif /* USE_JPWL */ if (!l_tot_len) { opj_event_msg(p_manager, EVT_ERROR, "Cannot read data with no size known, giving up\n"); return false; } opj_read_bytes(p_header_data,&l_current_part ,1); /* Psot */ ++p_header_data; opj_read_bytes(p_header_data,&l_num_parts ,1); /* Psot */ ++p_header_data; if (l_num_parts != 0) { l_tcp->m_nb_tile_parts = l_num_parts; } 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; } } p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len - 12; p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPH; 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); /* Index */ /* move this onto a separate method to call before reading any SOT */ /*if TODO (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 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. */ bool j2k_write_sod( opj_j2k_t *p_j2k, struct opj_tcd * p_tile_coder, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_total_data_size, const struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { opj_tcp_t *l_tcp = 00; opj_codestream_info_t *l_cstr_info = 00; opj_cp_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]; l_cstr_info = p_j2k->cstr_info; /* 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 >> */ 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); #endif /* USE_JPWL */ /* <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 (! tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data, p_data_written, l_remaining_data , l_cstr_info)) { opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n"); return false; } *p_data_written += 2; return true; } /** * Updates the Tile Length Marker. */ void j2k_update_tlm ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size ) { opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_j2k->m_current_tile_number,1); /* PSOT */ ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current; opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_tile_part_size,4); /* PSOT */ p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4; } /** * 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. */ bool j2k_read_sod ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_current_read_size; opj_codestream_info_t * l_cstr_info = 00; OPJ_BYTE ** l_current_data = 00; opj_tcp_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]); p_j2k->m_specific_param.m_decoder.m_sot_length -= 2; l_cstr_info = p_j2k->cstr_info; l_current_data = &(l_tcp->m_data); l_tile_len = &l_tcp->m_data_size; if (! *l_current_data) { *l_current_data = (OPJ_BYTE*) my_opj_malloc(p_j2k->m_specific_param.m_decoder.m_sot_length); } else { *l_current_data = (OPJ_BYTE*) my_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(p_manager, EVT_ERROR, "Cannot decode tile\n"); return false; } /* Index */ if (l_cstr_info) { OPJ_SIZE_T l_current_pos = opj_stream_tell(p_stream)-1; l_cstr_info->tile[p_j2k->m_current_tile_number].tp[p_j2k->m_specific_param.m_encoder.m_current_tile_part_number].tp_end_header = l_current_pos; if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) { l_cstr_info->tile[p_j2k->m_current_tile_number].end_header = l_current_pos; } l_cstr_info->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_DEC_STATE_NEOC; } else { p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPHSOT; } *l_tile_len += l_current_read_size; return 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. */ bool j2k_write_eoc( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); opj_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 false; } if (! opj_stream_flush(p_stream,p_manager)) { return false; } return 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. */ bool j2k_init_info( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { opj_codestream_info_t * l_cstr_info = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); 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 j2k_calculate_tp(p_j2k,&(p_j2k->m_cp),&p_j2k->m_specific_param.m_encoder.m_total_tile_parts,p_j2k->m_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. */ bool j2k_create_tcd( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); p_j2k->m_tcd = tcd_create(false); if (! p_j2k->m_tcd) { opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n"); return false; } if (! tcd_init(p_j2k->m_tcd,p_j2k->m_image,&p_j2k->m_cp)) { tcd_destroy(p_j2k->m_tcd); p_j2k->m_tcd = 00; return false; } return true; } OPJ_FLOAT32 get_tp_stride (opj_tcp_t * p_tcp) { return (OPJ_FLOAT32) ((p_tcp->m_nb_tile_parts - 1) * 14); } OPJ_FLOAT32 get_default_stride (opj_tcp_t * 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. */ bool j2k_update_rates( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { opj_cp_t * l_cp = 00; opj_image_t * l_image = 00; opj_tcp_t * l_tcp = 00; opj_image_comp_t * l_img_comp = 00; OPJ_UINT32 i,j,k; OPJ_INT32 l_x0,l_y0,l_x1,l_y1; OPJ_FLOAT32 * l_rates = 0; OPJ_FLOAT32 l_sot_remove; OPJ_UINT32 l_bits_empty, l_size_pixel; OPJ_UINT32 l_tile_size = 0; OPJ_UINT32 l_last_res; OPJ_FLOAT32 (* l_tp_stride_func)(opj_tcp_t *) = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_cp = &(p_j2k->m_cp); l_image = p_j2k->m_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 = get_tp_stride; } else { l_tp_stride_func = get_default_stride; } for (i=0;ith;++i) { for (j=0;jtw;++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;ith;++i) { for (j=0;jtw;++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;inumcomps;++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 += 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 *) my_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 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 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 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. */ bool j2k_read_eoc ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 i; opj_tcd_t * l_tcd = 00; OPJ_UINT32 l_nb_tiles; opj_tcp_t * l_tcp = 00; 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 = tcd_create(true); if (l_tcd == 00) { opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); return false; } for (i = 0; i < l_nb_tiles; ++i) { if (l_tcp->m_data) { if (! tcd_init_decode_tile(l_tcd, i)) { tcd_destroy(l_tcd); opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); return false; } l_success = tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i, p_j2k->cstr_info); /* cleanup */ if (! l_success) { p_j2k->m_specific_param.m_decoder.m_state |= J2K_DEC_STATE_ERR; break; } } j2k_tcp_destroy(l_tcp); ++l_tcp; } tcd_destroy(l_tcd); return 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. */ bool j2k_write_image_components( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 compno; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); for (compno = 1; compno < p_j2k->m_image->numcomps; ++compno) { if (! j2k_write_coc(p_j2k,compno,p_stream, p_manager)) { return false; } if (! j2k_write_qcc(p_j2k,compno,p_stream, p_manager)) { return false; } } return 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. */ bool j2k_write_regions( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 compno; const opj_tccp_t *l_tccp = 00; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); l_tccp = p_j2k->m_cp.tcps->tccps; for (compno = 0; compno < p_j2k->m_image->numcomps; ++compno) { if (l_tccp->roishift) { if (! j2k_write_rgn(p_j2k,0,compno,p_stream,p_manager)) { return false; } } ++l_tccp; } return 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. */ bool j2k_write_updated_tlm( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 l_tlm_size; OPJ_SIZE_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 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 false; } if (! opj_stream_seek(p_stream,l_current_position,p_manager)) { return false; } return 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. */ bool j2k_end_encoding( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); 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 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. */ bool j2k_get_end_header( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); p_j2k->cstr_info->main_head_end = opj_stream_tell(p_stream); return 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. */ bool j2k_read_unk ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { OPJ_BYTE l_data [2]; OPJ_UINT32 l_unknown_size; // preconditions assert(p_j2k != 00); assert(p_manager != 00); assert(p_stream != 00); opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n"); #ifdef USE_JPWL if (p_j2k->m_cp->correct) { OPJ_INT32 m = 0, id, i; OPJ_INT32 min_id = 0, min_dist = 17, cur_dist = 0, tmp_id; p_stream_seek(p_j2k->p_stream, p_stream_tell(p_j2k->p_stream) - 2); id = p_stream_read(p_j2k->p_stream, 2); opj_event_msg(p_j2k->cinfo, EVT_ERROR, "JPWL: really don't know this marker %x\n", id); if (!JPWL_ASSUME) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "- possible synch loss due to uncorrectable codestream errors => giving up\n"); return; } /* OK, activate this at your own risk!!! */ /* we look for the marker at the minimum hamming distance from this */ while (j2k_dec_mstab[m].id) { /* 1's where they differ */ tmp_id = j2k_dec_mstab[m].id ^ id; /* compute the hamming distance between our id and the current */ cur_dist = 0; for (i = 0; i < 16; i++) { if ((tmp_id >> i) & 0x0001) { cur_dist++; } } /* if current distance is smaller, set the minimum */ if (cur_dist < min_dist) { min_dist = cur_dist; min_id = j2k_dec_mstab[m].id; } /* jump to the next marker */ m++; } /* do we substitute the marker? */ if (min_dist < JPWL_MAXIMUM_HAMMING) { opj_event_msg(p_j2k->cinfo, EVT_ERROR, "- marker %x is at distance %d from the read %x\n", min_id, min_dist, id); opj_event_msg(p_j2k->cinfo, EVT_ERROR, "- trying to substitute in place and crossing fingers!\n"); p_stream_seek(p_j2k->p_stream, p_stream_tell(p_j2k->p_stream) - 2); p_stream_write(p_j2k->p_stream, min_id, 2); /* rewind */ p_stream_seek(p_j2k->p_stream, p_stream_tell(p_j2k->p_stream) - 2); } }; #endif /* USE_JPWL */ if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n"); return false; } opj_read_bytes(l_data,&l_unknown_size,2); if (l_unknown_size < 2) { return false; } l_unknown_size-=2; if (opj_stream_skip(p_stream,l_unknown_size,p_manager) != l_unknown_size) { return false; } return 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 * 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; } } return e; } /** * Destroys a tile coding parameter structure. * * @param p_tcp the tile coding parameter to destroy. */ void j2k_tcp_destroy (opj_tcp_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;im_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; } if (p_tcp->m_data) { opj_free(p_tcp->m_data); p_tcp->m_data = 00; } } /** * Destroys a coding parameter structure. * * @param p_cp the coding parameter to destroy. */ void j2k_cp_destroy (opj_cp_t *p_cp) { OPJ_UINT32 l_nb_tiles; opj_tcp_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) { 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; } } } /* ----------------------------------------------------------------------- */ /* J2K / JPT decoder interface */ /* ----------------------------------------------------------------------- */ /** * Creates a J2K decompression structure. * * @return a handle to a J2K decompressor if successful, NULL otherwise. */ opj_j2k_t* j2k_create_decompress() { opj_j2k_t *l_j2k = (opj_j2k_t*) opj_malloc(sizeof(opj_j2k_t)); if (!l_j2k) { return 00; } memset(l_j2k,0,sizeof(opj_j2k_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_t*) opj_malloc(sizeof(opj_tcp_t)); if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) { opj_free(l_j2k); return 00; } memset(l_j2k->m_specific_param.m_decoder.m_default_tcp,0,sizeof(opj_tcp_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) { j2k_destroy(l_j2k); return 00; } l_j2k->m_specific_param.m_decoder.m_header_data_size = J2K_DEFAULT_HEADER_SIZE; // validation list creation l_j2k->m_validation_list = opj_procedure_list_create(); if (! l_j2k->m_validation_list) { j2k_destroy(l_j2k); return 00; } // execution list creation l_j2k->m_procedure_list = opj_procedure_list_create(); if (! l_j2k->m_procedure_list) { j2k_destroy(l_j2k); return 00; } return l_j2k; } opj_j2k_t* j2k_create_compress() { opj_j2k_t *l_j2k = (opj_j2k_t*) opj_malloc(sizeof(opj_j2k_t)); if (!l_j2k) { return 00; } memset(l_j2k,0,sizeof(opj_j2k_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) { j2k_destroy(l_j2k); return 00; } 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) { j2k_destroy(l_j2k); return 00; } // execution list creation l_j2k->m_procedure_list = opj_procedure_list_create(); if (! l_j2k->m_procedure_list) { j2k_destroy(l_j2k); return 00; } return l_j2k; } /** * Destroys a jpeg2000 codec. * * @param p_j2k the jpeg20000 structure to destroy. */ void j2k_destroy (opj_j2k_t *p_j2k) { if (p_j2k == 00) { return; } if (p_j2k->m_is_decoder) { if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) { 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; } } tcd_destroy(p_j2k->m_tcd); j2k_cp_destroy(&(p_j2k->m_cp)); memset(&(p_j2k->m_cp),0,sizeof(opj_cp_t)); opj_procedure_list_destroy(p_j2k->m_procedure_list); p_j2k->m_procedure_list = 00; opj_procedure_list_destroy(p_j2k->m_validation_list); p_j2k->m_procedure_list = 00; opj_free(p_j2k); } /** * 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. */ bool j2k_start_compress( opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_image_t * p_image, opj_event_mgr_t * p_manager) { // preconditions assert(p_j2k != 00); assert(p_stream != 00); assert(p_manager != 00); p_j2k->m_image = p_image; /* customization of the validation */ j2k_setup_encoding_validation (p_j2k); /* validation of the parameters codec */ if (! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) { return false; } /* customization of the encoding */ j2k_setup_header_writting(p_j2k); /* write header */ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { return false; } return true; } /** * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures. */ void j2k_setup_header_reading (opj_j2k_t *p_j2k) { // preconditions assert(p_j2k != 00); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_read_header_procedure); /* DEVELOPER CORNER, add your custom procedures */ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_copy_default_tcp_and_create_tcd); } /** * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures. */ void j2k_setup_decoding (opj_j2k_t *p_j2k) { // preconditions assert(p_j2k != 00); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_decode_tiles); /* DEVELOPER CORNER, add your custom procedures */ } /** * Sets up the procedures to do on writting header. Developpers wanting to extend the library can add their own writting procedures. */ void j2k_setup_header_writting (opj_j2k_t *p_j2k) { // preconditions assert(p_j2k != 00); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_init_info ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_write_soc ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_write_siz ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_write_cod ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)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,(void*)j2k_write_image_components ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)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,(void*)j2k_write_poc ); } } opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_write_regions); if (p_j2k->m_cp.comment != 00) { opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)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,(void*)j2k_write_mct_data_group ); } /* End of Developer Corner */ if (p_j2k->cstr_info) { opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_get_end_header ); } opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_create_tcd); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_update_rates); } /** * 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 j2k_setup_end_compress (opj_j2k_t *p_j2k) { // preconditions assert(p_j2k != 00); /* DEVELOPER CORNER, insert your custom procedures */ opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)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,(void*)j2k_write_updated_tlm); } opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_write_epc ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_end_encoding ); opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(void*)j2k_destroy_header_memory); } /** * 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 j2k_setup_encoding_validation (opj_j2k_t *p_j2k) { // preconditions assert(p_j2k != 00); opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_build_encoder); opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_encoding_validation); /* DEVELOPER CORNER, add your custom validation procedure */ opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_mct_validation); } /** * 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 j2k_setup_decoding_validation (opj_j2k_t *p_j2k) { // preconditions assert(p_j2k != 00); opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_build_decoder); opj_procedure_list_add_procedure(p_j2k->m_validation_list, (void*)j2k_decoding_validation); /* DEVELOPER CORNER, add your custom validation procedure */ } /** * 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. */ bool j2k_exec ( opj_j2k_t * p_j2k, opj_procedure_list_t * p_procedure_list, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { bool (** l_procedure) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00; bool l_result = 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 = (bool (**) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list); for (i=0;im_specific_param.m_decoder.m_state == J2K_DEC_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(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); return false; } if ((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << p_j2k->m_cp.tcps->tccps->numresolutions)) { opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n"); return 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. */ bool j2k_decoding_validation ( opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { bool l_is_valid = 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_DEC_STATE_NONE); /* 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; } /** * 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. */ bool j2k_mct_validation ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { bool l_is_valid = 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_t * l_tcp = p_j2k->m_cp.tcps; for (i=0;imct == 2) { opj_tccp_t * l_tccp = l_tcp->tccps; l_is_valid &= (l_tcp->m_mct_coding_matrix != 00); for (j=0;jm_image->numcomps;++j) { l_is_valid &= ! (l_tccp->qmfbid & 1); ++l_tccp; } } ++l_tcp; } } return l_is_valid; } /** * Builds the cp decoder parameters to use to decode tile. */ bool j2k_build_decoder ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { // add here initialization of cp // copy paste of setup_decoder return true; } /** * Builds the cp encoder parameters to use to encode tile. */ bool j2k_build_encoder ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { // add here initialization of cp // copy paste of setup_encoder return true; } bool j2k_copy_default_tcp_and_create_tcd ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { opj_tcp_t * l_tcp = 00; opj_tcp_t * l_default_tcp = 00; OPJ_UINT32 l_nb_tiles; OPJ_UINT32 i,j; opj_tccp_t *l_current_tccp = 00; OPJ_UINT32 l_tccp_size; OPJ_UINT32 l_mct_size; opj_image_t * l_image; OPJ_UINT32 l_mcc_records_size,l_mct_records_size; opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec; opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec; OPJ_UINT32 l_offset; // preconditions in debug assert(p_j2k != 00); assert(p_stream != 00); assert(p_manager != 00); l_image = p_j2k->m_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 (i=0;itccps; memcpy(l_tcp,l_default_tcp, sizeof(opj_tcp_t)); l_tcp->ppt = 0; l_tcp->ppt_data = 00; l_tcp->tccps = l_current_tccp; 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 false; } memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size); } 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 false; } memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size); l_src_mct_rec = l_default_tcp->m_mct_records; l_dest_mct_rec = l_tcp->m_mct_records; for (j=0;jm_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 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; } 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 false; } memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size); l_src_mcc_rec = l_default_tcp->m_mcc_records; l_dest_mcc_rec = l_tcp->m_mcc_records; for (j=0;jm_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; } memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size); ++l_tcp; } p_j2k->m_tcd = tcd_create(true); if (! p_j2k->m_tcd ) { return false; } if (! tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp))) { tcd_destroy(p_j2k->m_tcd); p_j2k->m_tcd = 00; opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); return false; } return true; } /** * Destroys the memory associated with the decoding of headers. */ bool j2k_destroy_header_memory ( opj_j2k_t * p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { // preconditions in debug 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 true; } /** * Sets up the decoder decoding parameters using user parameters. * Decoding parameters are stored in p_j2k->m_cp. * * @param p_j2k J2K codec * @param p_parameters decompression parameters * @deprecated */ void j2k_setup_decoder( opj_j2k_t *p_j2k, opj_dparameters_t *p_parameters ) { if (p_j2k && p_parameters) { /* create and initialize the coding parameters structure */ p_j2k->m_cp.m_specific_param.m_dec.m_reduce = p_parameters->cp_reduce; p_j2k->m_cp.m_specific_param.m_dec.m_layer = p_parameters->cp_layer; p_j2k->m_specific_param.m_decoder.m_discard_tiles = p_parameters->m_use_restrict_decode; if (p_parameters->m_use_restrict_decode) { p_j2k->m_specific_param.m_decoder.m_start_tile_x = p_parameters->m_decode_start_x; p_j2k->m_specific_param.m_decoder.m_start_tile_y = p_parameters->m_decode_start_y; p_j2k->m_specific_param.m_decoder.m_end_tile_x = p_parameters->m_decode_end_x; p_j2k->m_specific_param.m_decoder.m_end_tile_y = p_parameters->m_decode_end_y; } #ifdef USE_JPWL cp->correct = parameters->jpwl_correct; cp->exp_comps = parameters->jpwl_exp_comps; cp->max_tiles = parameters->jpwl_max_tiles; #endif /* USE_JPWL */ } } void j2k_setup_encoder(opj_j2k_t *p_j2k, opj_cparameters_t *parameters, opj_image_t *image, struct opj_event_mgr * p_manager) { OPJ_UINT32 i, j, tileno, numpocs_tile; opj_cp_t *cp = 00; 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 = true; cp->info_on = false; /* no informative technique */ /* set EPB on */ if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) { cp->epb_on = 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 = 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 = false; } else { cp->epc_on = false; } #endif /* USE_JPWL */ /* initialize the mutiple tiles */ /* ---------------------------- */ cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t)); if (parameters->numpocs) { /* initialisation of POC */ l_res = 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_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_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]; } 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) { int p = 0; for (j = tccp->numresolutions - 1; j >= 0; j--) { if (p < parameters->res_spec) { if (parameters->prcw_init[p] < 1) { tccp->prcw[j] = 1; } else { tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]); } if (parameters->prch_init[p] < 1) { tccp->prch[j] = 1; }else { tccp->prch[j] = 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[j] = 1; } else { tccp->prcw[j] = int_floorlog2(size_prcw); } if (size_prch < 1) { tccp->prch[j] = 1; } else { tccp->prch[j] = int_floorlog2(size_prch); } } p++; /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */ } //end for } else { for (j = 0; j < tccp->numresolutions; j++) { tccp->prcw[j] = 15; tccp->prch[j] = 15; } } } dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec); } } if (parameters->mct_data) { opj_free(parameters->mct_data); parameters->mct_data = 00; } } bool j2k_write_first_tile_part ( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_total_data_size, opj_stream_private_t *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 compno; OPJ_UINT32 l_nb_bytes_written = 0; OPJ_UINT32 l_current_nb_bytes_written; OPJ_BYTE * l_begin_data = 00; opj_tcp_t *l_tcp = 00; opj_tcd_t * l_tcd = 00; opj_cp_t * l_cp = 00; l_tcd = p_j2k->m_tcd; l_cp = &(p_j2k->m_cp); l_tcp = l_cp->tcps + p_j2k->m_current_tile_number; 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 (! j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) { return 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_image->numcomps; compno++) { l_current_nb_bytes_written = 0; 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; 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; 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 (! j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) { return 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) { j2k_update_tlm(p_j2k,l_nb_bytes_written); } return true; } bool j2k_write_all_tile_parts( opj_j2k_t *p_j2k, OPJ_BYTE * p_data, OPJ_UINT32 * p_data_written, OPJ_UINT32 p_total_data_size, opj_stream_private_t *p_stream, struct opj_event_mgr * p_manager ) { OPJ_UINT32 tilepartno=0; OPJ_UINT32 l_nb_bytes_written = 0; OPJ_UINT32 l_current_nb_bytes_written; OPJ_UINT32 l_part_tile_size; OPJ_UINT32 tot_num_tp; OPJ_UINT32 pino; OPJ_BYTE * l_begin_data; opj_tcp_t *l_tcp = 00; opj_tcd_t * l_tcd = 00; opj_cp_t * l_cp = 00; l_tcd = p_j2k->m_tcd; l_cp = &(p_j2k->m_cp); l_tcp = l_cp->tcps + p_j2k->m_current_tile_number; /*Get number of tile parts*/ tot_num_tp = 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 (! j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) { return 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 (! j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) { return 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) { 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 = 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 (! j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) { return 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 (! j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) { return 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) { 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 true; } bool j2k_pre_write_tile ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_index, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { if (p_tile_index != p_j2k->m_current_tile_number) { opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match." ); return false; } opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n", p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th); p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0; p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts; p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0; /* initialisation before tile encoding */ if (! tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) { return false; } return 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. */ bool j2k_write_tile ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { if (! j2k_pre_write_tile(p_j2k,p_tile_index,p_stream,p_manager)) { return false; } return j2k_post_write_tile(p_j2k,p_data,p_data_size,p_stream,p_manager); } /** * 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. */ bool j2k_post_write_tile ( opj_j2k_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_t * l_tcd = 00; opj_cp_t * l_cp = 00; opj_tcp_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; 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 (! tcd_copy_tile_data(l_tcd,p_data,p_data_size)) { opj_event_msg(p_manager, EVT_ERROR, "Size mismtach between tile data and sent data." ); return false; } l_nb_bytes_written = 0; if (! j2k_write_first_tile_part(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) { return false; } l_current_data += l_nb_bytes_written; l_available_data -= l_nb_bytes_written; l_nb_bytes_written = 0; if (! j2k_write_all_tile_parts(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) { return 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 false; } ++p_j2k->m_current_tile_number; return true; } /** * 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. */ bool j2k_read_tile_header ( opj_j2k_t * p_j2k, OPJ_UINT32 * p_tile_index, OPJ_UINT32 * p_data_size, OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0, OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1, OPJ_UINT32 * p_nb_comps, bool * p_go_on, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { OPJ_UINT32 l_current_marker = J2K_MS_SOT; OPJ_UINT32 l_marker_size; const opj_dec_memory_marker_handler_t * l_marker_handler = 00; opj_tcp_t * l_tcp = 00; OPJ_UINT32 l_nb_tiles; // preconditions assert(p_stream != 00); assert(p_j2k != 00); assert(p_manager != 00); if (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_EOC) { l_current_marker = J2K_MS_EOC; } else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_TPHSOT) { return false; } while (! p_j2k->m_specific_param.m_decoder.m_can_decode && l_current_marker != J2K_MS_EOC) { while (l_current_marker != J2K_MS_SOD) { if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2); if (p_j2k->m_specific_param.m_decoder.m_state & J2K_DEC_STATE_TPH) { p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2); } l_marker_size -= 2; l_marker_handler = j2k_get_marker_handler(l_current_marker); // Check if the marker is known if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) { opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); return false; } 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 false; } p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size; } if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); return false; } if (p_j2k->m_specific_param.m_decoder.m_skip_data) { if (opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } l_current_marker = J2K_MS_SOD; } else { if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); } } if (! p_j2k->m_specific_param.m_decoder.m_skip_data) { if (! j2k_read_sod(p_j2k,p_stream,p_manager)) { return false; } } else { 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_DEC_STATE_TPHSOT; if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); } } if (l_current_marker == J2K_MS_EOC) { if (p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_EOC) { p_j2k->m_current_tile_number = 0; p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_EOC; } } 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 = false; return true; } } if (! tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number)) { opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n"); return false; } *p_tile_index = p_j2k->m_current_tile_number; *p_go_on = true; *p_data_size = 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 |= J2K_DEC_STATE_DATA; return true; } bool j2k_decode_tile ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, opj_stream_private_t *p_stream, opj_event_mgr_t * p_manager ) { OPJ_UINT32 l_current_marker; OPJ_BYTE l_data [2]; opj_tcp_t * l_tcp; // preconditions assert(p_stream != 00); assert(p_j2k != 00); assert(p_manager != 00); if (! (p_j2k->m_specific_param.m_decoder.m_state & J2K_DEC_STATE_DATA) || p_tile_index != p_j2k->m_current_tile_number) { return false; } l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]); if (! l_tcp->m_data) { j2k_tcp_destroy(&(p_j2k->m_cp.tcps[p_tile_index])); return false; } if (! tcd_decode_tile(p_j2k->m_tcd, l_tcp->m_data, l_tcp->m_data_size, p_tile_index, p_j2k->cstr_info)) { j2k_tcp_destroy(l_tcp); p_j2k->m_specific_param.m_decoder.m_state |= J2K_DEC_STATE_ERR; return false; } if (! tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size)) { return false; } j2k_tcp_destroy(l_tcp); p_j2k->m_tcd->tcp = 0; p_j2k->m_specific_param.m_decoder.m_can_decode = 0; p_j2k->m_specific_param.m_decoder.m_state &= (~J2K_DEC_STATE_DATA); if (p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_EOC) { if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(l_data,&l_current_marker,2); if (l_current_marker == J2K_MS_EOC) { p_j2k->m_current_tile_number = 0; p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_EOC; } else if (l_current_marker != J2K_MS_SOT) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n"); return false; } } return true; } /** * Ends the compression procedures and possibiliy add data to be read after the * codestream. */ bool j2k_end_compress(opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager) { /* customization of the encoding */ j2k_setup_end_compress(p_j2k); if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { return false; } return 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. */ bool j2k_read_header( opj_j2k_t *p_j2k, struct opj_image ** p_image, OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0, OPJ_UINT32 * p_tile_width, OPJ_UINT32 * p_tile_height, OPJ_UINT32 * p_nb_tiles_x, OPJ_UINT32 * p_nb_tiles_y, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager ) { // preconditions assert(p_j2k != 00); assert(p_stream != 00); assert(p_manager != 00); *p_image = 00; /* create an empty image */ p_j2k->m_image = opj_image_create0(); if (! p_j2k->m_image) { return false; } /* customization of the validation */ j2k_setup_decoding_validation (p_j2k); /* validation of the parameters codec */ if (! j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) { opj_image_destroy(p_j2k->m_image); p_j2k->m_image = 00; return false; } /* customization of the encoding */ j2k_setup_header_reading(p_j2k); /* read header */ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { opj_image_destroy(p_j2k->m_image); p_j2k->m_image = 00; return false; } *p_image = p_j2k->m_image; * p_tile_x0 = p_j2k->m_cp.tx0; * p_tile_y0 = p_j2k->m_cp.ty0; * p_tile_width = p_j2k->m_cp.tdx; * p_tile_height = p_j2k->m_cp.tdy; * p_nb_tiles_x = p_j2k->m_cp.tw; * p_nb_tiles_y = p_j2k->m_cp.th; return true; } /** * The read header procedure. */ bool j2k_read_header_procedure( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * 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); p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_MHSOC; if (! j2k_read_soc(p_j2k,p_stream,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n"); return false; } if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); while (l_current_marker != J2K_MS_SOT) { if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2); l_marker_size -= 2; /*if (l_current_marker < 0xff00) { opj_event_msg(p_manager, EVT_ERROR, "%.8x: expected a marker instead of %x\n", opj_stream_tell(p_stream) - 2, l_current_marker); return 0; } */ l_marker_handler = j2k_get_marker_handler(l_current_marker); // Check if the marker is known if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) { opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); return false; } 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 false; } p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size; } if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) { opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n"); return false; } if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) { opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n"); return false; } opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2); } p_j2k->m_specific_param.m_decoder.m_state = J2K_DEC_STATE_TPHSOT; return true; } /** * Reads the tiles. */ bool j2k_decode_tiles ( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager) { bool l_go_on = 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 false; } l_max_data_size = 1000; while (true) { if (! 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)) { return 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) { return false; } l_max_data_size = l_data_size; } if (! 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 false; } if (! j2k_update_image_data(p_j2k->m_tcd,l_current_data)) { opj_free(l_current_data); return false; } } opj_free(l_current_data); return true; } /** * Decodes the tiles of the stream. */ opj_image_t * j2k_decode( opj_j2k_t * p_j2k, opj_stream_private_t * p_stream, opj_event_mgr_t * p_manager) { /* customization of the encoding */ j2k_setup_decoding(p_j2k); /* write header */ if (! j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) { opj_image_destroy(p_j2k->m_image); p_j2k->m_image = 00; } return p_j2k->m_image; } /** * Encodes all the tiles in a row. */ bool j2k_encode( opj_j2k_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 false; } l_max_tile_size = 1000; l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw; for (i=0;im_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 false; } l_max_tile_size = l_current_tile_size; } j2k_get_tile_data(p_j2k->m_tcd,l_current_data); if (! j2k_post_write_tile (p_j2k,l_current_data,l_current_tile_size,p_stream,p_manager)) { return false; } } opj_free(l_current_data); return true; } /** * Ends the decompression procedures and possibiliy add data to be read after the * codestream. */ bool j2k_end_decompress( opj_j2k_t *p_j2k, struct opj_stream_private *p_stream, struct opj_event_mgr * p_manager) { return true; } void j2k_get_tile_data (opj_tcd_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_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;iimage->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;jsgnd) { for (j=0;jtcd_image->tiles->comps; l_image = p_tcd->image; l_img_comp = l_image->comps; for (i=0;iimage->numcomps;++i) { if (!l_img_comp->data) { l_img_comp->data = (OPJ_INT32*) opj_malloc(l_img_comp->w * l_img_comp->h * sizeof(OPJ_INT32)); if (! l_img_comp->data) { return false; } memset(l_img_comp->data,0,l_img_comp->w * l_img_comp->h * sizeof(OPJ_INT32)); } l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/ l_remaining = l_img_comp->prec & 7; /* (%8) */ l_res = l_tilec->resolutions + l_img_comp->resno_decoded; if (l_remaining) { ++l_size_comp; } if (l_size_comp == 3) { l_size_comp = 4; } l_width = (l_res->x1 - l_res->x0); l_height = (l_res->y1 - l_res->y0); l_dest_stride = (l_img_comp->w) - l_width; l_offset_x = int_ceildivpow2(l_img_comp->x0, l_img_comp->factor); l_offset_y = int_ceildivpow2(l_img_comp->y0, l_img_comp->factor); l_dest_ptr = l_img_comp->data + (l_res->x0 - l_offset_x) + (l_res->y0 - l_offset_y) * l_img_comp->w; switch (l_size_comp) { case 1: { OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data; if (l_img_comp->sgnd) { for (j=0;jsgnd) { for (j=0;jm_cp); if (p_j2k->m_specific_param.m_decoder.m_state != J2K_DEC_STATE_TPHSOT) { return false; } p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_start_x - l_cp->tx0) / l_cp->tdx; p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_start_y - l_cp->ty0) / l_cp->tdy; p_j2k->m_specific_param.m_decoder.m_end_tile_x = int_ceildiv((p_end_x - l_cp->tx0), l_cp->tdx); p_j2k->m_specific_param.m_decoder.m_end_tile_y = int_ceildiv((p_end_y - l_cp->ty0), l_cp->tdy); p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1; return true; } void j2k_dump_image(FILE *fd, opj_image_t * img) { int compno; fprintf(fd, "image {\n"); fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0, img->x1, img->y1); fprintf(fd, " numcomps=%d\n", img->numcomps); for (compno = 0; compno < img->numcomps; compno++) { opj_image_comp_t *comp = &img->comps[compno]; fprintf(fd, " comp %d {\n", compno); fprintf(fd, " dx=%d, dy=%d\n", comp->dx, comp->dy); fprintf(fd, " prec=%d\n", comp->prec); //fprintf(fd, " bpp=%d\n", comp->bpp); fprintf(fd, " sgnd=%d\n", comp->sgnd); fprintf(fd, " }\n"); } fprintf(fd, "}\n"); } /* void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) { int tileno, compno, layno, bandno, resno, numbands; fprintf(fd, "coding parameters {\n"); fprintf(fd, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0); fprintf(fd, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy); fprintf(fd, " tw=%d, th=%d\n", cp->tw, cp->th); for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { opj_tcp_t *tcp = &cp->tcps[tileno]; fprintf(fd, " tile %d {\n", tileno); fprintf(fd, " csty=%x\n", tcp->csty); fprintf(fd, " prg=%d\n", tcp->prg); fprintf(fd, " numlayers=%d\n", tcp->numlayers); fprintf(fd, " mct=%d\n", tcp->mct); fprintf(fd, " rates="); for (layno = 0; layno < tcp->numlayers; layno++) { fprintf(fd, "%.1f ", tcp->rates[layno]); } fprintf(fd, "\n"); for (compno = 0; compno < img->numcomps; compno++) { opj_tccp_t *tccp = &tcp->tccps[compno]; fprintf(fd, " comp %d {\n", compno); fprintf(fd, " csty=%x\n", tccp->csty); fprintf(fd, " numresolutions=%d\n", tccp->numresolutions); fprintf(fd, " cblkw=%d\n", tccp->cblkw); fprintf(fd, " cblkh=%d\n", tccp->cblkh); fprintf(fd, " cblksty=%x\n", tccp->cblksty); fprintf(fd, " qmfbid=%d\n", tccp->qmfbid); fprintf(fd, " qntsty=%d\n", tccp->qntsty); fprintf(fd, " numgbits=%d\n", tccp->numgbits); fprintf(fd, " roishift=%d\n", tccp->roishift); fprintf(fd, " stepsizes="); numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2; for (bandno = 0; bandno < numbands; bandno++) { fprintf(fd, "(%d,%d) ", tccp->stepsizes[bandno].mant, tccp->stepsizes[bandno].expn); } fprintf(fd, "\n"); if (tccp->csty & J2K_CCP_CSTY_PRT) { fprintf(fd, " prcw="); for (resno = 0; resno < tccp->numresolutions; resno++) { fprintf(fd, "%d ", tccp->prcw[resno]); } fprintf(fd, "\n"); fprintf(fd, " prch="); for (resno = 0; resno < tccp->numresolutions; resno++) { fprintf(fd, "%d ", tccp->prch[resno]); } fprintf(fd, "\n"); } fprintf(fd, " }\n"); } fprintf(fd, " }\n"); } fprintf(fd, "}\n"); } */