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Diffstat (limited to 'third_party/libopenjpeg20/jp2.c')
| -rw-r--r-- | third_party/libopenjpeg20/jp2.c | 3000 |
1 files changed, 0 insertions, 3000 deletions
diff --git a/third_party/libopenjpeg20/jp2.c b/third_party/libopenjpeg20/jp2.c deleted file mode 100644 index aafbe199d6..0000000000 --- a/third_party/libopenjpeg20/jp2.c +++ /dev/null @@ -1,3000 +0,0 @@ -/* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third - * party and contributor rights, including patent rights, and no such rights - * are granted under this license. - * - * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2014, Professor Benoit Macq - * Copyright (c) 2001-2003, David Janssens - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux - * Copyright (c) 2003-2014, Antonin Descampe - * Copyright (c) 2005, Herve Drolon, FreeImage Team - * Copyright (c) 2010-2011, Kaori Hagihara - * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR - * Copyright (c) 2012, CS Systemes d'Information, France - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -#include "opj_includes.h" - -/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ -/*@{*/ - -#define OPJ_BOX_SIZE 1024 - -/** @name Local static functions */ -/*@{*/ - -/*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/ - -/** - * Reads a IHDR box - Image Header box - * - * @param p_image_header_data pointer to actual data (already read from file) - * @param jp2 the jpeg2000 file codec. - * @param p_image_header_size the size of the image header - * @param p_manager the user event manager. - * - * @return true if the image header is valid, false else. - */ -static OPJ_BOOL opj_jp2_read_ihdr( opj_jp2_t *jp2, - OPJ_BYTE *p_image_header_data, - OPJ_UINT32 p_image_header_size, - opj_event_mgr_t * p_manager ); - -/** - * Writes the Image Header box - Image Header box. - * - * @param jp2 jpeg2000 file codec. - * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. - * - * @return the data being copied. -*/ -static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written ); - -/** - * Writes the Bit per Component box. - * - * @param jp2 jpeg2000 file codec. - * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. - * - * @return the data being copied. -*/ -static OPJ_BYTE * opj_jp2_write_bpcc( opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written ); - -/** - * Reads a Bit per Component box. - * - * @param p_bpc_header_data pointer to actual data (already read from file) - * @param jp2 the jpeg2000 file codec. - * @param p_bpc_header_size the size of the bpc header - * @param p_manager the user event manager. - * - * @return true if the bpc header is valid, fale else. - */ -static OPJ_BOOL opj_jp2_read_bpcc( opj_jp2_t *jp2, - OPJ_BYTE * p_bpc_header_data, - OPJ_UINT32 p_bpc_header_size, - opj_event_mgr_t * p_manager ); - -static OPJ_BOOL opj_jp2_read_cdef( opj_jp2_t * jp2, - OPJ_BYTE * p_cdef_header_data, - OPJ_UINT32 p_cdef_header_size, - opj_event_mgr_t * p_manager ); - -static void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color); - -/** - * Writes the Channel Definition box. - * - * @param jp2 jpeg2000 file codec. - * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. - * - * @return the data being copied. - */ -static OPJ_BYTE * opj_jp2_write_cdef( opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written ); - -/** - * Writes the Colour Specification box. - * - * @param jp2 jpeg2000 file codec. - * @param p_nb_bytes_written pointer to store the nb of bytes written by the function. - * - * @return the data being copied. -*/ -static OPJ_BYTE * opj_jp2_write_colr( opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written ); - -/** - * Writes a FTYP box - File type box - * - * @param cio the stream to write data to. - * @param jp2 the jpeg2000 file codec. - * @param p_manager the user event manager. - * - * @return true if writing was successful. - */ -static OPJ_BOOL opj_jp2_write_ftyp( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -/** - * Reads a a FTYP box - File type box - * - * @param p_header_data the data contained in the FTYP box. - * @param jp2 the jpeg2000 file codec. - * @param p_header_size the size of the data contained in the FTYP box. - * @param p_manager the user event manager. - * - * @return true if the FTYP box is valid. - */ -static OPJ_BOOL opj_jp2_read_ftyp( opj_jp2_t *jp2, - OPJ_BYTE * p_header_data, - OPJ_UINT32 p_header_size, - opj_event_mgr_t * p_manager ); - -OPJ_BOOL opj_jp2_skip_jp2c( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -/** - * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). - * - * @param p_header_data the data contained in the file header box. - * @param jp2 the jpeg2000 file codec. - * @param p_header_size the size of the data contained in the file header box. - * @param p_manager the user event manager. - * - * @return true if the JP2 Header box was successfully reconized. -*/ -static OPJ_BOOL opj_jp2_read_jp2h( opj_jp2_t *jp2, - OPJ_BYTE *p_header_data, - OPJ_UINT32 p_header_size, - opj_event_mgr_t * p_manager ); - -/** - * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done. - * - * @param cio the stream to write data to. - * @param jp2 the jpeg2000 file codec. - * @param p_manager user event manager. - * - * @return true if writing was successful. -*/ -static OPJ_BOOL opj_jp2_write_jp2c( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -#ifdef USE_JPIP -/** - * Write index Finder box - * @param cio the stream to write to. - * @param jp2 the jpeg2000 file codec. - * @param p_manager user event manager. -*/ -static OPJ_BOOL opj_jpip_write_iptr( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -/** - * Write index Finder box - * @param cio the stream to write to. - * @param jp2 the jpeg2000 file codec. - * @param p_manager user event manager. - */ -static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -/** - * Write file Index (superbox) - * @param cio the stream to write to. - * @param jp2 the jpeg2000 file codec. - * @param p_manager user event manager. - */ -static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); -#endif /* USE_JPIP */ - -/** - * Reads a jpeg2000 file signature box. - * - * @param p_header_data the data contained in the signature box. - * @param jp2 the jpeg2000 file codec. - * @param p_header_size the size of the data contained in the signature box. - * @param p_manager the user event manager. - * - * @return true if the file signature box is valid. - */ -static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2, - OPJ_BYTE * p_header_data, - OPJ_UINT32 p_header_size, - opj_event_mgr_t * p_manager); - -/** - * Writes a jpeg2000 file signature box. - * - * @param cio the stream to write data to. - * @param jp2 the jpeg2000 file codec. - * @param p_manager the user event manager. - * - * @return true if writing was successful. - */ -static OPJ_BOOL opj_jp2_write_jp( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -/** -Apply collected palette data -@param color Collector for profile, cdef and pclr data -@param image -*/ -static void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color); - -static void opj_jp2_free_pclr(opj_jp2_color_t *color); - -/** - * Collect palette data - * - * @param jp2 JP2 handle - * @param p_pclr_header_data FIXME DOC - * @param p_pclr_header_size FIXME DOC - * @param p_manager - * - * @return Returns true if successful, returns false otherwise -*/ -static OPJ_BOOL opj_jp2_read_pclr( opj_jp2_t *jp2, - OPJ_BYTE * p_pclr_header_data, - OPJ_UINT32 p_pclr_header_size, - opj_event_mgr_t * p_manager ); - -/** - * Collect component mapping data - * - * @param jp2 JP2 handle - * @param p_cmap_header_data FIXME DOC - * @param p_cmap_header_size FIXME DOC - * @param p_manager FIXME DOC - * - * @return Returns true if successful, returns false otherwise -*/ - -static OPJ_BOOL opj_jp2_read_cmap( opj_jp2_t * jp2, - OPJ_BYTE * p_cmap_header_data, - OPJ_UINT32 p_cmap_header_size, - opj_event_mgr_t * p_manager ); - -/** - * Reads the Color Specification box. - * - * @param p_colr_header_data pointer to actual data (already read from file) - * @param jp2 the jpeg2000 file codec. - * @param p_colr_header_size the size of the color header - * @param p_manager the user event manager. - * - * @return true if the bpc header is valid, fale else. -*/ -static OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2, - OPJ_BYTE * p_colr_header_data, - OPJ_UINT32 p_colr_header_size, - opj_event_mgr_t * p_manager ); - -/*@}*/ - -/*@}*/ - -/** - * Sets up the procedures to do on writing header after the codestream. - * Developpers wanting to extend the library can add their own writing procedures. - */ -static void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2); - -/** - * Sets up the procedures to do on reading header after the codestream. - * Developpers wanting to extend the library can add their own writing procedures. - */ -static void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2); - -/** - * Reads a jpeg2000 file header structure. - * - * @param jp2 the jpeg2000 file header structure. - * @param stream the stream to read data from. - * @param p_manager the user event manager. - * - * @return true if the box is valid. - */ -static OPJ_BOOL opj_jp2_read_header_procedure( opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager ); - -/** - * Excutes the given procedures on the given codec. - * - * @param p_procedure_list the list of procedures to execute - * @param jp2 the jpeg2000 file codec to execute the procedures on. - * @param stream the stream to execute the procedures on. - * @param p_manager the user manager. - * - * @return true if all the procedures were successfully executed. - */ -static OPJ_BOOL opj_jp2_exec ( opj_jp2_t * jp2, - opj_procedure_list_t * p_procedure_list, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager ); - -/** - * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. - * - * @param cio the input stream to read data from. - * @param box the box structure to fill. - * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). - * @param p_manager user event manager. - * - * @return true if the box is reconized, false otherwise -*/ -static OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box, - OPJ_UINT32 * p_number_bytes_read, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager); - -/** - * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters - * are valid. Developpers wanting to extend the library can add their own validation procedures. - */ -static void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2); - -/** - * Sets up the procedures to do on writing header. Developpers wanting to extend the library can add their own writing procedures. - */ -static void opj_jp2_setup_header_writing (opj_jp2_t *jp2); - -OPJ_BOOL opj_jp2_default_validation ( opj_jp2_t * jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ); - -/** - * Finds the image execution function related to the given box id. - * - * @param p_id the id of the handler to fetch. - * - * @return the given handler or NULL if it could not be found. - */ -static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id); - -/** - * Finds the execution function related to the given box id. - * - * @param p_id the id of the handler to fetch. - * - * @return the given handler or NULL if it could not be found. - */ -static const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id ); - -const opj_jp2_header_handler_t jp2_header [] = -{ - {JP2_JP,opj_jp2_read_jp}, - {JP2_FTYP,opj_jp2_read_ftyp}, - {JP2_JP2H,opj_jp2_read_jp2h} -}; - -const opj_jp2_header_handler_t jp2_img_header [] = -{ - {JP2_IHDR,opj_jp2_read_ihdr}, - {JP2_COLR,opj_jp2_read_colr}, - {JP2_BPCC,opj_jp2_read_bpcc}, - {JP2_PCLR,opj_jp2_read_pclr}, - {JP2_CMAP,opj_jp2_read_cmap}, - {JP2_CDEF,opj_jp2_read_cdef} - -}; - -/** - * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string - * - * @param box the box structure to fill. - * @param p_data the character string to read data from. - * @param p_number_bytes_read pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). - * @param p_box_max_size the maximum number of bytes in the box. - * @param p_manager FIXME DOC - * - * @return true if the box is reconized, false otherwise -*/ -static OPJ_BOOL opj_jp2_read_boxhdr_char( opj_jp2_box_t *box, - OPJ_BYTE * p_data, - OPJ_UINT32 * p_number_bytes_read, - OPJ_UINT32 p_box_max_size, - opj_event_mgr_t * p_manager ); - -/** - * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters - * are valid. Developpers wanting to extend the library can add their own validation procedures. - */ -static void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2); - -/** - * Sets up the procedures to do on reading header. - * Developpers wanting to extend the library can add their own writing procedures. - */ -static void opj_jp2_setup_header_reading (opj_jp2_t *jp2); - -/* ----------------------------------------------------------------------- */ - OPJ_BOOL opj_jp2_read_boxhdr(opj_jp2_box_t *box, - OPJ_UINT32 * p_number_bytes_read, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - /* read header from file */ - OPJ_BYTE l_data_header [8]; - - /* preconditions */ - assert(cio != 00); - assert(box != 00); - assert(p_number_bytes_read != 00); - assert(p_manager != 00); - - *p_number_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager); - if (*p_number_bytes_read != 8) { - return OPJ_FALSE; - } - - /* process read data */ - opj_read_bytes(l_data_header,&(box->length), 4); - opj_read_bytes(l_data_header+4,&(box->type), 4); - - if(box->length == 0)/* last box */ - { - const OPJ_OFF_T bleft = opj_stream_get_number_byte_left(cio); - box->length = (OPJ_UINT32)bleft; - assert( (OPJ_OFF_T)box->length == bleft ); - return OPJ_TRUE; - } - - /* do we have a "special very large box ?" */ - /* read then the XLBox */ - if (box->length == 1) { - OPJ_UINT32 l_xl_part_size; - - OPJ_UINT32 l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(cio,l_data_header,8,p_manager); - if (l_nb_bytes_read != 8) { - if (l_nb_bytes_read > 0) { - *p_number_bytes_read += l_nb_bytes_read; - } - - return OPJ_FALSE; - } - - *p_number_bytes_read = 16; - opj_read_bytes(l_data_header,&l_xl_part_size, 4); - if (l_xl_part_size != 0) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n"); - return OPJ_FALSE; - } - opj_read_bytes(l_data_header+4,&(box->length), 4); - } - return OPJ_TRUE; -} - -#if 0 -static void jp2_write_url(opj_cio_t *cio, char *Idx_file) { - OPJ_UINT32 i; - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_URL, 4); /* DBTL */ - cio_write(cio, 0, 1); /* VERS */ - cio_write(cio, 0, 3); /* FLAG */ - - if(Idx_file) { - for (i = 0; i < strlen(Idx_file); i++) { - cio_write(cio, Idx_file[i], 1); - } - } - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} -#endif - -OPJ_BOOL opj_jp2_read_ihdr( opj_jp2_t *jp2, - OPJ_BYTE *p_image_header_data, - OPJ_UINT32 p_image_header_size, - opj_event_mgr_t * p_manager ) -{ - /* preconditions */ - assert(p_image_header_data != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - if (p_image_header_size != 14) { - opj_event_msg(p_manager, EVT_ERROR, "Bad image header box (bad size)\n"); - return OPJ_FALSE; - } - - opj_read_bytes(p_image_header_data,&(jp2->h),4); /* HEIGHT */ - p_image_header_data += 4; - opj_read_bytes(p_image_header_data,&(jp2->w),4); /* WIDTH */ - p_image_header_data += 4; - opj_read_bytes(p_image_header_data,&(jp2->numcomps),2); /* NC */ - p_image_header_data += 2; - - /* allocate memory for components */ - jp2->comps = (opj_jp2_comps_t*) opj_calloc(jp2->numcomps, sizeof(opj_jp2_comps_t)); - if (jp2->comps == 0) { - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle image header (ihdr)\n"); - return OPJ_FALSE; - } - - opj_read_bytes(p_image_header_data,&(jp2->bpc),1); /* BPC */ - ++ p_image_header_data; - - opj_read_bytes(p_image_header_data,&(jp2->C),1); /* C */ - ++ p_image_header_data; - - /* Should be equal to 7 cf. chapter about image header box of the norm */ - if (jp2->C != 7){ - opj_event_msg(p_manager, EVT_INFO, "JP2 IHDR box: compression type indicate that the file is not a conforming JP2 file (%d) \n", jp2->C); - } - - opj_read_bytes(p_image_header_data,&(jp2->UnkC),1); /* UnkC */ - ++ p_image_header_data; - opj_read_bytes(p_image_header_data,&(jp2->IPR),1); /* IPR */ - ++ p_image_header_data; - - return OPJ_TRUE; -} - -OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written - ) -{ - OPJ_BYTE * l_ihdr_data,* l_current_ihdr_ptr; - - /* preconditions */ - assert(jp2 != 00); - assert(p_nb_bytes_written != 00); - - /* default image header is 22 bytes wide */ - l_ihdr_data = (OPJ_BYTE *) opj_calloc(1,22); - if (l_ihdr_data == 00) { - return 00; - } - - l_current_ihdr_ptr = l_ihdr_data; - - opj_write_bytes(l_current_ihdr_ptr,22,4); /* write box size */ - l_current_ihdr_ptr+=4; - - opj_write_bytes(l_current_ihdr_ptr,JP2_IHDR, 4); /* IHDR */ - l_current_ihdr_ptr+=4; - - opj_write_bytes(l_current_ihdr_ptr,jp2->h, 4); /* HEIGHT */ - l_current_ihdr_ptr+=4; - - opj_write_bytes(l_current_ihdr_ptr, jp2->w, 4); /* WIDTH */ - l_current_ihdr_ptr+=4; - - opj_write_bytes(l_current_ihdr_ptr, jp2->numcomps, 2); /* NC */ - l_current_ihdr_ptr+=2; - - opj_write_bytes(l_current_ihdr_ptr, jp2->bpc, 1); /* BPC */ - ++l_current_ihdr_ptr; - - opj_write_bytes(l_current_ihdr_ptr, jp2->C, 1); /* C : Always 7 */ - ++l_current_ihdr_ptr; - - opj_write_bytes(l_current_ihdr_ptr, jp2->UnkC, 1); /* UnkC, colorspace unknown */ - ++l_current_ihdr_ptr; - - opj_write_bytes(l_current_ihdr_ptr, jp2->IPR, 1); /* IPR, no intellectual property */ - ++l_current_ihdr_ptr; - - *p_nb_bytes_written = 22; - - return l_ihdr_data; -} - -OPJ_BYTE * opj_jp2_write_bpcc( opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written - ) -{ - OPJ_UINT32 i; - /* room for 8 bytes for box and 1 byte for each component */ - OPJ_UINT32 l_bpcc_size = 8 + jp2->numcomps; - OPJ_BYTE * l_bpcc_data,* l_current_bpcc_ptr; - - /* preconditions */ - assert(jp2 != 00); - assert(p_nb_bytes_written != 00); - - l_bpcc_data = (OPJ_BYTE *) opj_calloc(1,l_bpcc_size); - if (l_bpcc_data == 00) { - return 00; - } - - l_current_bpcc_ptr = l_bpcc_data; - - opj_write_bytes(l_current_bpcc_ptr,l_bpcc_size,4); /* write box size */ - l_current_bpcc_ptr += 4; - - opj_write_bytes(l_current_bpcc_ptr,JP2_BPCC,4); /* BPCC */ - l_current_bpcc_ptr += 4; - - for (i = 0; i < jp2->numcomps; ++i) { - opj_write_bytes(l_current_bpcc_ptr, jp2->comps[i].bpcc, 1); /* write each component information */ - ++l_current_bpcc_ptr; - } - - *p_nb_bytes_written = l_bpcc_size; - - return l_bpcc_data; -} - -OPJ_BOOL opj_jp2_read_bpcc( opj_jp2_t *jp2, - OPJ_BYTE * p_bpc_header_data, - OPJ_UINT32 p_bpc_header_size, - opj_event_mgr_t * p_manager - ) -{ - OPJ_UINT32 i; - - /* preconditions */ - assert(p_bpc_header_data != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - - if (jp2->bpc != 255 ){ - opj_event_msg(p_manager, EVT_WARNING, "A BPCC header box is available although BPC given by the IHDR box (%d) indicate components bit depth is constant\n",jp2->bpc); - } - - /* and length is relevant */ - if (p_bpc_header_size != jp2->numcomps) { - opj_event_msg(p_manager, EVT_ERROR, "Bad BPCC header box (bad size)\n"); - return OPJ_FALSE; - } - - /* read info for each component */ - for (i = 0; i < jp2->numcomps; ++i) { - opj_read_bytes(p_bpc_header_data,&jp2->comps[i].bpcc ,1); /* read each BPCC component */ - ++p_bpc_header_data; - } - - return OPJ_TRUE; -} -static OPJ_BYTE * opj_jp2_write_cdef(opj_jp2_t *jp2, OPJ_UINT32 * p_nb_bytes_written) -{ - /* room for 8 bytes for box, 2 for n */ - OPJ_UINT32 l_cdef_size = 10; - OPJ_BYTE * l_cdef_data,* l_current_cdef_ptr; - OPJ_UINT32 l_value; - OPJ_UINT16 i; - - /* preconditions */ - assert(jp2 != 00); - assert(p_nb_bytes_written != 00); - assert(jp2->color.jp2_cdef != 00); - assert(jp2->color.jp2_cdef->info != 00); - assert(jp2->color.jp2_cdef->n > 0U); - - l_cdef_size += 6U * jp2->color.jp2_cdef->n; - - l_cdef_data = (OPJ_BYTE *) opj_malloc(l_cdef_size); - if (l_cdef_data == 00) { - return 00; - } - - l_current_cdef_ptr = l_cdef_data; - - opj_write_bytes(l_current_cdef_ptr,l_cdef_size,4); /* write box size */ - l_current_cdef_ptr += 4; - - opj_write_bytes(l_current_cdef_ptr,JP2_CDEF,4); /* BPCC */ - l_current_cdef_ptr += 4; - - l_value = jp2->color.jp2_cdef->n; - opj_write_bytes(l_current_cdef_ptr,l_value,2); /* N */ - l_current_cdef_ptr += 2; - - for (i = 0U; i < jp2->color.jp2_cdef->n; ++i) { - l_value = jp2->color.jp2_cdef->info[i].cn; - opj_write_bytes(l_current_cdef_ptr,l_value,2); /* Cni */ - l_current_cdef_ptr += 2; - l_value = jp2->color.jp2_cdef->info[i].typ; - opj_write_bytes(l_current_cdef_ptr,l_value,2); /* Typi */ - l_current_cdef_ptr += 2; - l_value = jp2->color.jp2_cdef->info[i].asoc; - opj_write_bytes(l_current_cdef_ptr,l_value,2); /* Asoci */ - l_current_cdef_ptr += 2; - } - *p_nb_bytes_written = l_cdef_size; - - return l_cdef_data; -} - -OPJ_BYTE * opj_jp2_write_colr( opj_jp2_t *jp2, - OPJ_UINT32 * p_nb_bytes_written - ) -{ - /* room for 8 bytes for box 3 for common data and variable upon profile*/ - OPJ_UINT32 l_colr_size = 11; - OPJ_BYTE * l_colr_data,* l_current_colr_ptr; - - /* preconditions */ - assert(jp2 != 00); - assert(p_nb_bytes_written != 00); - assert(jp2->meth == 1 || jp2->meth == 2); - - switch (jp2->meth) { - case 1 : - l_colr_size += 4; /* EnumCS */ - break; - case 2 : - assert(jp2->color.icc_profile_len); /* ICC profile */ - l_colr_size += jp2->color.icc_profile_len; - break; - default : - return 00; - } - - l_colr_data = (OPJ_BYTE *) opj_calloc(1,l_colr_size); - if (l_colr_data == 00) { - return 00; - } - - l_current_colr_ptr = l_colr_data; - - opj_write_bytes(l_current_colr_ptr,l_colr_size,4); /* write box size */ - l_current_colr_ptr += 4; - - opj_write_bytes(l_current_colr_ptr,JP2_COLR,4); /* BPCC */ - l_current_colr_ptr += 4; - - opj_write_bytes(l_current_colr_ptr, jp2->meth,1); /* METH */ - ++l_current_colr_ptr; - - opj_write_bytes(l_current_colr_ptr, jp2->precedence,1); /* PRECEDENCE */ - ++l_current_colr_ptr; - - opj_write_bytes(l_current_colr_ptr, jp2->approx,1); /* APPROX */ - ++l_current_colr_ptr; - - if (jp2->meth == 1) { /* Meth value is restricted to 1 or 2 (Table I.9 of part 1) */ - opj_write_bytes(l_current_colr_ptr, jp2->enumcs,4); } /* EnumCS */ - else { - if (jp2->meth == 2) { /* ICC profile */ - OPJ_UINT32 i; - for(i = 0; i < jp2->color.icc_profile_len; ++i) { - opj_write_bytes(l_current_colr_ptr, jp2->color.icc_profile_buf[i], 1); - ++l_current_colr_ptr; - } - } - } - - *p_nb_bytes_written = l_colr_size; - - return l_colr_data; -} - -void opj_jp2_free_pclr(opj_jp2_color_t *color) -{ - opj_free(color->jp2_pclr->channel_sign); - opj_free(color->jp2_pclr->channel_size); - opj_free(color->jp2_pclr->entries); - - if(color->jp2_pclr->cmap) opj_free(color->jp2_pclr->cmap); - - opj_free(color->jp2_pclr); color->jp2_pclr = NULL; -} - -static OPJ_BOOL opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager) -{ - OPJ_UINT16 i; - - /* testcase 4149.pdf.SIGSEGV.cf7.3501 */ - if (color->jp2_cdef) { - opj_jp2_cdef_info_t *info = color->jp2_cdef->info; - OPJ_UINT16 n = color->jp2_cdef->n; - OPJ_UINT32 nr_channels = image->numcomps; /* FIXME image->numcomps == jp2->numcomps before color is applied ??? */ - - /* cdef applies to cmap channels if any */ - if (color->jp2_pclr && color->jp2_pclr->cmap) { - nr_channels = (OPJ_UINT32)color->jp2_pclr->nr_channels; - } - - for (i = 0; i < n; i++) { - if (info[i].cn >= nr_channels) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].cn, nr_channels); - return OPJ_FALSE; - } - if (info[i].asoc > 0 && (OPJ_UINT32)(info[i].asoc - 1) >= nr_channels) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].asoc - 1, nr_channels); - return OPJ_FALSE; - } - } - - /* issue 397 */ - /* ISO 15444-1 states that if cdef is present, it shall contain a complete list of channel definitions. */ - while (nr_channels > 0) - { - for(i = 0; i < n; ++i) { - if ((OPJ_UINT32)info[i].cn == (nr_channels - 1U)) { - break; - } - } - if (i == n) { - opj_event_msg(p_manager, EVT_ERROR, "Incomplete channel definitions.\n"); - return OPJ_FALSE; - } - --nr_channels; - } - } - - /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and - 66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */ - if (color->jp2_pclr && color->jp2_pclr->cmap) { - OPJ_UINT16 nr_channels = color->jp2_pclr->nr_channels; - opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap; - OPJ_BOOL *pcol_usage, is_sane = OPJ_TRUE; - - /* verify that all original components match an existing one */ - for (i = 0; i < nr_channels; i++) { - if (cmap[i].cmp >= image->numcomps) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid component index %d (>= %d).\n", cmap[i].cmp, image->numcomps); - is_sane = OPJ_FALSE; - } - } - - pcol_usage = opj_calloc(nr_channels, sizeof(OPJ_BOOL)); - if (!pcol_usage) { - opj_event_msg(p_manager, EVT_ERROR, "Unexpected OOM.\n"); - return OPJ_FALSE; - } - /* verify that no component is targeted more than once */ - for (i = 0; i < nr_channels; i++) { - OPJ_UINT16 pcol = cmap[i].pcol; - assert(cmap[i].mtyp == 0 || cmap[i].mtyp == 1); - if (pcol >= nr_channels) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol); - is_sane = OPJ_FALSE; - } - else if (pcol_usage[pcol] && cmap[i].mtyp == 1) { - opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol); - is_sane = OPJ_FALSE; - } - else if (cmap[i].mtyp == 0 && cmap[i].pcol != 0) { - /* I.5.3.5 PCOL: If the value of the MTYP field for this channel is 0, then - * the value of this field shall be 0. */ - opj_event_msg(p_manager, EVT_ERROR, "Direct use at #%d however pcol=%d.\n", i, pcol); - is_sane = OPJ_FALSE; - } - else - pcol_usage[pcol] = OPJ_TRUE; - } - /* verify that all components are targeted at least once */ - for (i = 0; i < nr_channels; i++) { - if (!pcol_usage[i] && cmap[i].mtyp != 0) { - opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", i); - is_sane = OPJ_FALSE; - } - } - opj_free(pcol_usage); - if (!is_sane) { - return OPJ_FALSE; - } - } - - return OPJ_TRUE; -} - -/* file9.jp2 */ -void opj_jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color) -{ - opj_image_comp_t *old_comps, *new_comps; - OPJ_BYTE *channel_size, *channel_sign; - OPJ_UINT32 *entries; - opj_jp2_cmap_comp_t *cmap; - OPJ_INT32 *src, *dst; - OPJ_UINT32 j, max; - OPJ_UINT16 i, nr_channels, cmp, pcol; - OPJ_INT32 k, top_k; - - channel_size = color->jp2_pclr->channel_size; - channel_sign = color->jp2_pclr->channel_sign; - entries = color->jp2_pclr->entries; - cmap = color->jp2_pclr->cmap; - nr_channels = color->jp2_pclr->nr_channels; - - old_comps = image->comps; - new_comps = (opj_image_comp_t*) - opj_malloc(nr_channels * sizeof(opj_image_comp_t)); - if (!new_comps) { - /* FIXME no error code for opj_jp2_apply_pclr */ - /* FIXME event manager error callback */ - return; - } - for(i = 0; i < nr_channels; ++i) { - pcol = cmap[i].pcol; cmp = cmap[i].cmp; - - /* Direct use */ - if(cmap[i].mtyp == 0){ - assert( pcol == 0 ); - new_comps[i] = old_comps[cmp]; - } else { - assert( i == pcol ); - new_comps[pcol] = old_comps[cmp]; - } - - /* Palette mapping: */ - new_comps[i].data = (OPJ_INT32*) - opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32)); - if (!new_comps[i].data) { - opj_free(new_comps); - new_comps = NULL; - /* FIXME no error code for opj_jp2_apply_pclr */ - /* FIXME event manager error callback */ - return; - } - new_comps[i].prec = channel_size[i]; - new_comps[i].sgnd = channel_sign[i]; - } - - top_k = color->jp2_pclr->nr_entries - 1; - - for(i = 0; i < nr_channels; ++i) { - /* Palette mapping: */ - cmp = cmap[i].cmp; pcol = cmap[i].pcol; - src = old_comps[cmp].data; - assert( src ); - max = new_comps[pcol].w * new_comps[pcol].h; - - /* Direct use: */ - if(cmap[i].mtyp == 0) { - assert( cmp == 0 ); - dst = new_comps[i].data; - assert( dst ); - for(j = 0; j < max; ++j) { - dst[j] = src[j]; - } - } - else { - assert( i == pcol ); - dst = new_comps[pcol].data; - assert( dst ); - for(j = 0; j < max; ++j) { - /* The index */ - if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k; - - /* The colour */ - dst[j] = (OPJ_INT32)entries[k * nr_channels + pcol]; - } - } - } - - max = image->numcomps; - for(i = 0; i < max; ++i) { - if(old_comps[i].data) opj_free(old_comps[i].data); - } - - opj_free(old_comps); - image->comps = new_comps; - image->numcomps = nr_channels; - - opj_jp2_free_pclr(color); - -}/* apply_pclr() */ - -OPJ_BOOL opj_jp2_read_pclr( opj_jp2_t *jp2, - OPJ_BYTE * p_pclr_header_data, - OPJ_UINT32 p_pclr_header_size, - opj_event_mgr_t * p_manager - ) -{ - opj_jp2_pclr_t *jp2_pclr; - OPJ_BYTE *channel_size, *channel_sign; - OPJ_UINT32 *entries; - OPJ_UINT16 nr_entries,nr_channels; - OPJ_UINT16 i, j; - OPJ_UINT32 l_value; - OPJ_BYTE *orig_header_data = p_pclr_header_data; - - /* preconditions */ - assert(p_pclr_header_data != 00); - assert(jp2 != 00); - assert(p_manager != 00); - (void)p_pclr_header_size; - - if(jp2->color.jp2_pclr) - return OPJ_FALSE; - - if (p_pclr_header_size < 3) - return OPJ_FALSE; - - opj_read_bytes(p_pclr_header_data, &l_value , 2); /* NE */ - p_pclr_header_data += 2; - nr_entries = (OPJ_UINT16) l_value; - if ((nr_entries == 0U) || (nr_entries > 1024U)) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid PCLR box. Reports %d entries\n", (int)nr_entries); - return OPJ_FALSE; - } - - opj_read_bytes(p_pclr_header_data, &l_value , 1); /* NPC */ - ++p_pclr_header_data; - nr_channels = (OPJ_UINT16) l_value; - if (nr_channels == 0U) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid PCLR box. Reports 0 palette columns\n"); - return OPJ_FALSE; - } - - if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels) - return OPJ_FALSE; - - entries = (OPJ_UINT32*) opj_malloc((size_t)nr_channels * nr_entries * sizeof(OPJ_UINT32)); - if (!entries) - return OPJ_FALSE; - channel_size = (OPJ_BYTE*) opj_malloc(nr_channels); - if (!channel_size) - { - opj_free(entries); - return OPJ_FALSE; - } - channel_sign = (OPJ_BYTE*) opj_malloc(nr_channels); - if (!channel_sign) - { - opj_free(entries); - opj_free(channel_size); - return OPJ_FALSE; - } - - jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t)); - if (!jp2_pclr) - { - opj_free(entries); - opj_free(channel_size); - opj_free(channel_sign); - return OPJ_FALSE; - } - - jp2_pclr->channel_sign = channel_sign; - jp2_pclr->channel_size = channel_size; - jp2_pclr->entries = entries; - jp2_pclr->nr_entries = nr_entries; - jp2_pclr->nr_channels = (OPJ_BYTE) l_value; - jp2_pclr->cmap = NULL; - - jp2->color.jp2_pclr = jp2_pclr; - - for(i = 0; i < nr_channels; ++i) { - opj_read_bytes(p_pclr_header_data, &l_value , 1); /* Bi */ - ++p_pclr_header_data; - - channel_size[i] = (OPJ_BYTE)((l_value & 0x7f) + 1); - channel_sign[i] = (l_value & 0x80) ? 1 : 0; - } - - for(j = 0; j < nr_entries; ++j) { - for(i = 0; i < nr_channels; ++i) { - OPJ_UINT32 bytes_to_read = (OPJ_UINT32)((channel_size[i]+7)>>3); - - if (bytes_to_read > sizeof(OPJ_UINT32)) - bytes_to_read = sizeof(OPJ_UINT32); - if ((ptrdiff_t)p_pclr_header_size < (ptrdiff_t)(p_pclr_header_data - orig_header_data) + (ptrdiff_t)bytes_to_read) - return OPJ_FALSE; - - opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read); /* Cji */ - p_pclr_header_data += bytes_to_read; - *entries = (OPJ_UINT32) l_value; - entries++; - } - } - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_read_cmap( opj_jp2_t * jp2, - OPJ_BYTE * p_cmap_header_data, - OPJ_UINT32 p_cmap_header_size, - opj_event_mgr_t * p_manager - ) -{ - opj_jp2_cmap_comp_t *cmap; - OPJ_BYTE i, nr_channels; - OPJ_UINT32 l_value; - - /* preconditions */ - assert(jp2 != 00); - assert(p_cmap_header_data != 00); - assert(p_manager != 00); - (void)p_cmap_header_size; - - /* Need nr_channels: */ - if(jp2->color.jp2_pclr == NULL) { - opj_event_msg(p_manager, EVT_ERROR, "Need to read a PCLR box before the CMAP box.\n"); - return OPJ_FALSE; - } - - /* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box - * inside a JP2 Header box' : - */ - if(jp2->color.jp2_pclr->cmap) { - opj_event_msg(p_manager, EVT_ERROR, "Only one CMAP box is allowed.\n"); - return OPJ_FALSE; - } - - nr_channels = jp2->color.jp2_pclr->nr_channels; - if (p_cmap_header_size < (OPJ_UINT32)nr_channels * 4) { - opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CMAP box.\n"); - return OPJ_FALSE; - } - - cmap = (opj_jp2_cmap_comp_t*) opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t)); - if (!cmap) - return OPJ_FALSE; - - - for(i = 0; i < nr_channels; ++i) { - opj_read_bytes(p_cmap_header_data, &l_value, 2); /* CMP^i */ - p_cmap_header_data +=2; - cmap[i].cmp = (OPJ_UINT16) l_value; - - opj_read_bytes(p_cmap_header_data, &l_value, 1); /* MTYP^i */ - ++p_cmap_header_data; - cmap[i].mtyp = (OPJ_BYTE) l_value; - - opj_read_bytes(p_cmap_header_data, &l_value, 1); /* PCOL^i */ - ++p_cmap_header_data; - cmap[i].pcol = (OPJ_BYTE) l_value; - } - - jp2->color.jp2_pclr->cmap = cmap; - - return OPJ_TRUE; -} - -void opj_jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color) -{ - opj_jp2_cdef_info_t *info; - OPJ_UINT16 i, n, cn, asoc, acn; - - info = color->jp2_cdef->info; - n = color->jp2_cdef->n; - - for(i = 0; i < n; ++i) - { - /* WATCH: acn = asoc - 1 ! */ - asoc = info[i].asoc; - cn = info[i].cn; - - if( cn >= image->numcomps) - { - fprintf(stderr, "cn=%d, numcomps=%d\n", cn, image->numcomps); - continue; - } - if(asoc == 0 || asoc == 65535) - { - image->comps[cn].alpha = info[i].typ; - continue; - } - - acn = (OPJ_UINT16)(asoc - 1); - if( acn >= image->numcomps ) - { - fprintf(stderr, "acn=%d, numcomps=%d\n", acn, image->numcomps); - continue; - } - - /* Swap only if color channel */ - if((cn != acn) && (info[i].typ == 0)) - { - opj_image_comp_t saved; - OPJ_UINT16 j; - - memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t)); - memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t)); - memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t)); - - /* Swap channels in following channel definitions, don't bother with j <= i that are already processed */ - for (j = (OPJ_UINT16)(i + 1U); j < n ; ++j) - { - if (info[j].cn == cn) { - info[j].cn = acn; - } - else if (info[j].cn == acn) { - info[j].cn = cn; - } - /* asoc is related to color index. Do not update. */ - } - } - - image->comps[cn].alpha = info[i].typ; - } - - if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info); - - opj_free(color->jp2_cdef); color->jp2_cdef = NULL; - -}/* jp2_apply_cdef() */ - -OPJ_BOOL opj_jp2_read_cdef( opj_jp2_t * jp2, - OPJ_BYTE * p_cdef_header_data, - OPJ_UINT32 p_cdef_header_size, - opj_event_mgr_t * p_manager - ) -{ - opj_jp2_cdef_info_t *cdef_info; - OPJ_UINT16 i; - OPJ_UINT32 l_value; - - /* preconditions */ - assert(jp2 != 00); - assert(p_cdef_header_data != 00); - assert(p_manager != 00); - (void)p_cdef_header_size; - - /* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box - * inside a JP2 Header box.'*/ - if(jp2->color.jp2_cdef) return OPJ_FALSE; - - if (p_cdef_header_size < 2) { - opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n"); - return OPJ_FALSE; - } - - opj_read_bytes(p_cdef_header_data,&l_value ,2); /* N */ - p_cdef_header_data+= 2; - - if ( (OPJ_UINT16)l_value == 0){ /* szukw000: FIXME */ - opj_event_msg(p_manager, EVT_ERROR, "Number of channel description is equal to zero in CDEF box.\n"); - return OPJ_FALSE; - } - - if (p_cdef_header_size < 2 + (OPJ_UINT32)(OPJ_UINT16)l_value * 6) { - opj_event_msg(p_manager, EVT_ERROR, "Insufficient data for CDEF box.\n"); - return OPJ_FALSE; - } - - cdef_info = (opj_jp2_cdef_info_t*) opj_malloc(l_value * sizeof(opj_jp2_cdef_info_t)); - if (!cdef_info) - return OPJ_FALSE; - - jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t)); - if(!jp2->color.jp2_cdef) - { - opj_free(cdef_info); - return OPJ_FALSE; - } - jp2->color.jp2_cdef->info = cdef_info; - jp2->color.jp2_cdef->n = (OPJ_UINT16) l_value; - - for(i = 0; i < jp2->color.jp2_cdef->n; ++i) { - opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Cn^i */ - p_cdef_header_data +=2; - cdef_info[i].cn = (OPJ_UINT16) l_value; - - opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Typ^i */ - p_cdef_header_data +=2; - cdef_info[i].typ = (OPJ_UINT16) l_value; - - opj_read_bytes(p_cdef_header_data, &l_value, 2); /* Asoc^i */ - p_cdef_header_data +=2; - cdef_info[i].asoc = (OPJ_UINT16) l_value; - } - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_read_colr( opj_jp2_t *jp2, - OPJ_BYTE * p_colr_header_data, - OPJ_UINT32 p_colr_header_size, - opj_event_mgr_t * p_manager - ) -{ - OPJ_UINT32 l_value; - - /* preconditions */ - assert(jp2 != 00); - assert(p_colr_header_data != 00); - assert(p_manager != 00); - - if (p_colr_header_size < 3) { - opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size)\n"); - return OPJ_FALSE; - } - - /* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour - * Specification boxes after the first.' - */ - if(jp2->color.jp2_has_colr) { - opj_event_msg(p_manager, EVT_INFO, "A conforming JP2 reader shall ignore all Colour Specification boxes after the first, so we ignore this one.\n"); - p_colr_header_data += p_colr_header_size; - return OPJ_TRUE; - } - - opj_read_bytes(p_colr_header_data,&jp2->meth ,1); /* METH */ - ++p_colr_header_data; - - opj_read_bytes(p_colr_header_data,&jp2->precedence ,1); /* PRECEDENCE */ - ++p_colr_header_data; - - opj_read_bytes(p_colr_header_data,&jp2->approx ,1); /* APPROX */ - ++p_colr_header_data; - - if (jp2->meth == 1) { - if (p_colr_header_size < 7) { - opj_event_msg(p_manager, EVT_ERROR, "Bad COLR header box (bad size: %d)\n", p_colr_header_size); - return OPJ_FALSE; - } - if (p_colr_header_size > 7) { - /* testcase Altona_Technical_v20_x4.pdf */ - opj_event_msg(p_manager, EVT_WARNING, "Bad COLR header box (bad size: %d)\n", p_colr_header_size); - } - - opj_read_bytes(p_colr_header_data,&jp2->enumcs ,4); /* EnumCS */ - - jp2->color.jp2_has_colr = 1; - } - else if (jp2->meth == 2) { - /* ICC profile */ - OPJ_INT32 it_icc_value = 0; - OPJ_INT32 icc_len = (OPJ_INT32)p_colr_header_size - 3; - - jp2->color.icc_profile_len = (OPJ_UINT32)icc_len; - jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_calloc(1,(size_t)icc_len); - if (!jp2->color.icc_profile_buf) - { - jp2->color.icc_profile_len = 0; - return OPJ_FALSE; - } - - for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value) - { - opj_read_bytes(p_colr_header_data,&l_value,1); /* icc values */ - ++p_colr_header_data; - jp2->color.icc_profile_buf[it_icc_value] = (OPJ_BYTE) l_value; - } - - jp2->color.jp2_has_colr = 1; - } - else if (jp2->meth > 2) - { - /* ISO/IEC 15444-1:2004 (E), Table I.9 Legal METH values: - conforming JP2 reader shall ignore the entire Colour Specification box.*/ - opj_event_msg(p_manager, EVT_INFO, "COLR BOX meth value is not a regular value (%d), " - "so we will ignore the entire Colour Specification box. \n", jp2->meth); - } - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2, - opj_stream_private_t *p_stream, - opj_image_t* p_image, - opj_event_mgr_t * p_manager) -{ - if (!p_image) - return OPJ_FALSE; - - /* J2K decoding */ - if( ! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager) ) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n"); - return OPJ_FALSE; - } - - if (!jp2->ignore_pclr_cmap_cdef){ - if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) { - return OPJ_FALSE; - } - - /* Set Image Color Space */ - if (jp2->enumcs == 16) - p_image->color_space = OPJ_CLRSPC_SRGB; - else if (jp2->enumcs == 17) - p_image->color_space = OPJ_CLRSPC_GRAY; - else if (jp2->enumcs == 18) - p_image->color_space = OPJ_CLRSPC_SYCC; - else if (jp2->enumcs == 24) - p_image->color_space = OPJ_CLRSPC_EYCC; - else - p_image->color_space = OPJ_CLRSPC_UNKNOWN; - - if(jp2->color.jp2_pclr) { - /* Part 1, I.5.3.4: Either both or none : */ - if( !jp2->color.jp2_pclr->cmap) - opj_jp2_free_pclr(&(jp2->color)); - else - opj_jp2_apply_pclr(p_image, &(jp2->color)); - } - - /* Apply the color space if needed */ - if(jp2->color.jp2_cdef) { - opj_jp2_apply_cdef(p_image, &(jp2->color)); - } - - if(jp2->color.icc_profile_buf) { - p_image->icc_profile_buf = jp2->color.icc_profile_buf; - p_image->icc_profile_len = jp2->color.icc_profile_len; - jp2->color.icc_profile_buf = NULL; - } - } - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager - ) -{ - opj_jp2_img_header_writer_handler_t l_writers [4]; - opj_jp2_img_header_writer_handler_t * l_current_writer; - - OPJ_INT32 i, l_nb_pass; - /* size of data for super box*/ - OPJ_UINT32 l_jp2h_size = 8; - OPJ_BOOL l_result = OPJ_TRUE; - - /* to store the data of the super box */ - OPJ_BYTE l_jp2h_data [8]; - - /* preconditions */ - assert(stream != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - memset(l_writers,0,sizeof(l_writers)); - - if (jp2->bpc == 255) { - l_nb_pass = 3; - l_writers[0].handler = opj_jp2_write_ihdr; - l_writers[1].handler = opj_jp2_write_bpcc; - l_writers[2].handler = opj_jp2_write_colr; - } - else { - l_nb_pass = 2; - l_writers[0].handler = opj_jp2_write_ihdr; - l_writers[1].handler = opj_jp2_write_colr; - } - - if (jp2->color.jp2_cdef != NULL) { - l_writers[l_nb_pass].handler = opj_jp2_write_cdef; - l_nb_pass++; - } - - /* write box header */ - /* write JP2H type */ - opj_write_bytes(l_jp2h_data+4,JP2_JP2H,4); - - l_current_writer = l_writers; - for (i=0;i<l_nb_pass;++i) { - l_current_writer->m_data = l_current_writer->handler(jp2,&(l_current_writer->m_size)); - if (l_current_writer->m_data == 00) { - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to hold JP2 Header data\n"); - l_result = OPJ_FALSE; - break; - } - - l_jp2h_size += l_current_writer->m_size; - ++l_current_writer; - } - - if (! l_result) { - l_current_writer = l_writers; - for (i=0;i<l_nb_pass;++i) { - if (l_current_writer->m_data != 00) { - opj_free(l_current_writer->m_data ); - } - ++l_current_writer; - } - - return OPJ_FALSE; - } - - /* write super box size */ - opj_write_bytes(l_jp2h_data,l_jp2h_size,4); - - /* write super box data on stream */ - if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) { - opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n"); - l_result = OPJ_FALSE; - } - - if (l_result) { - l_current_writer = l_writers; - for (i=0;i<l_nb_pass;++i) { - if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) { - opj_event_msg(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n"); - l_result = OPJ_FALSE; - break; - } - ++l_current_writer; - } - } - - l_current_writer = l_writers; - - /* cleanup */ - for (i=0;i<l_nb_pass;++i) { - if (l_current_writer->m_data != 00) { - opj_free(l_current_writer->m_data ); - } - ++l_current_writer; - } - - return l_result; -} - -OPJ_BOOL opj_jp2_write_ftyp(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_UINT32 i; - OPJ_UINT32 l_ftyp_size = 16 + 4 * jp2->numcl; - OPJ_BYTE * l_ftyp_data, * l_current_data_ptr; - OPJ_BOOL l_result; - - /* preconditions */ - assert(cio != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - l_ftyp_data = (OPJ_BYTE *) opj_calloc(1,l_ftyp_size); - - if (l_ftyp_data == 00) { - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle ftyp data\n"); - return OPJ_FALSE; - } - - l_current_data_ptr = l_ftyp_data; - - opj_write_bytes(l_current_data_ptr, l_ftyp_size,4); /* box size */ - l_current_data_ptr += 4; - - opj_write_bytes(l_current_data_ptr, JP2_FTYP,4); /* FTYP */ - l_current_data_ptr += 4; - - opj_write_bytes(l_current_data_ptr, jp2->brand,4); /* BR */ - l_current_data_ptr += 4; - - opj_write_bytes(l_current_data_ptr, jp2->minversion,4); /* MinV */ - l_current_data_ptr += 4; - - for (i = 0; i < jp2->numcl; i++) { - opj_write_bytes(l_current_data_ptr, jp2->cl[i],4); /* CL */ - } - - l_result = (opj_stream_write_data(cio,l_ftyp_data,l_ftyp_size,p_manager) == l_ftyp_size); - if (! l_result) - { - opj_event_msg(p_manager, EVT_ERROR, "Error while writing ftyp data to stream\n"); - } - - opj_free(l_ftyp_data); - - return l_result; -} - -OPJ_BOOL opj_jp2_write_jp2c(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_OFF_T j2k_codestream_exit; - OPJ_BYTE l_data_header [8]; - - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - assert(opj_stream_has_seek(cio)); - - j2k_codestream_exit = opj_stream_tell(cio); - opj_write_bytes(l_data_header, - (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset), - 4); /* size of codestream */ - opj_write_bytes(l_data_header + 4,JP2_JP2C,4); /* JP2C */ - - if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - if (opj_stream_write_data(cio,l_data_header,8,p_manager) != 8) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_write_jp( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - /* 12 bytes will be read */ - OPJ_BYTE l_signature_data [12]; - - /* preconditions */ - assert(cio != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - /* write box length */ - opj_write_bytes(l_signature_data,12,4); - /* writes box type */ - opj_write_bytes(l_signature_data+4,JP2_JP,4); - /* writes magic number*/ - opj_write_bytes(l_signature_data+8,0x0d0a870a,4); - - if (opj_stream_write_data(cio,l_signature_data,12,p_manager) != 12) { - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -/* ----------------------------------------------------------------------- */ -/* JP2 decoder interface */ -/* ----------------------------------------------------------------------- */ - -void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters) -{ - /* setup the J2K codec */ - opj_j2k_setup_decoder(jp2->j2k, parameters); - - /* further JP2 initializations go here */ - jp2->color.jp2_has_colr = 0; - jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG; -} - -/* ----------------------------------------------------------------------- */ -/* JP2 encoder interface */ -/* ----------------------------------------------------------------------- */ - -OPJ_BOOL opj_jp2_setup_encoder( opj_jp2_t *jp2, - opj_cparameters_t *parameters, - opj_image_t *image, - opj_event_mgr_t * p_manager) -{ - OPJ_UINT32 i; - OPJ_UINT32 depth_0; - OPJ_UINT32 sign; - OPJ_UINT32 alpha_count; - OPJ_UINT32 color_channels = 0U; - OPJ_UINT32 alpha_channel = 0U; - - - if(!jp2 || !parameters || !image) - return OPJ_FALSE; - - /* setup the J2K codec */ - /* ------------------- */ - - /* Check if number of components respects standard */ - if (image->numcomps < 1 || image->numcomps > 16384) { - opj_event_msg(p_manager, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n"); - return OPJ_FALSE; - } - - if (opj_j2k_setup_encoder(jp2->j2k, parameters, image, p_manager ) == OPJ_FALSE) { - return OPJ_FALSE; - } - - /* setup the JP2 codec */ - /* ------------------- */ - - /* Profile box */ - - jp2->brand = JP2_JP2; /* BR */ - jp2->minversion = 0; /* MinV */ - jp2->numcl = 1; - jp2->cl = (OPJ_UINT32*) opj_malloc(jp2->numcl * sizeof(OPJ_UINT32)); - if (!jp2->cl){ - jp2->cl = NULL; - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n"); - return OPJ_FALSE; - } - jp2->cl[0] = JP2_JP2; /* CL0 : JP2 */ - - /* Image Header box */ - - jp2->numcomps = image->numcomps; /* NC */ - jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t)); - if (!jp2->comps) { - jp2->comps = NULL; - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory when setup the JP2 encoder\n"); - /* Memory of jp2->cl will be freed by opj_jp2_destroy */ - return OPJ_FALSE; - } - - jp2->h = image->y1 - image->y0; /* HEIGHT */ - jp2->w = image->x1 - image->x0; /* WIDTH */ - /* BPC */ - depth_0 = image->comps[0].prec - 1; - sign = image->comps[0].sgnd; - jp2->bpc = depth_0 + (sign << 7); - for (i = 1; i < image->numcomps; i++) { - OPJ_UINT32 depth = image->comps[i].prec - 1; - sign = image->comps[i].sgnd; - if (depth_0 != depth) - jp2->bpc = 255; - } - jp2->C = 7; /* C : Always 7 */ - jp2->UnkC = 0; /* UnkC, colorspace specified in colr box */ - jp2->IPR = 0; /* IPR, no intellectual property */ - - /* BitsPerComponent box */ - for (i = 0; i < image->numcomps; i++) { - jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7); - } - - /* Colour Specification box */ - if(image->icc_profile_len) { - jp2->meth = 2; - jp2->enumcs = 0; - } - else { - jp2->meth = 1; - if (image->color_space == 1) - jp2->enumcs = 16; /* sRGB as defined by IEC 61966-2-1 */ - else if (image->color_space == 2) - jp2->enumcs = 17; /* greyscale */ - else if (image->color_space == 3) - jp2->enumcs = 18; /* YUV */ - } - - /* Channel Definition box */ - /* FIXME not provided by parameters */ - /* We try to do what we can... */ - alpha_count = 0U; - for (i = 0; i < image->numcomps; i++) { - if (image->comps[i].alpha != 0) { - alpha_count++; - alpha_channel = i; - } - } - if (alpha_count == 1U) { /* no way to deal with more than 1 alpha channel */ - switch (jp2->enumcs) { - case 16: - case 18: - color_channels = 3; - break; - case 17: - color_channels = 1; - break; - default: - alpha_count = 0U; - break; - } - if (alpha_count == 0U) { - opj_event_msg(p_manager, EVT_WARNING, "Alpha channel specified but unknown enumcs. No cdef box will be created.\n"); - } else if (image->numcomps < (color_channels+1)) { - opj_event_msg(p_manager, EVT_WARNING, "Alpha channel specified but not enough image components for an automatic cdef box creation.\n"); - alpha_count = 0U; - } else if ((OPJ_UINT32)alpha_channel < color_channels) { - opj_event_msg(p_manager, EVT_WARNING, "Alpha channel position conflicts with color channel. No cdef box will be created.\n"); - alpha_count = 0U; - } - } else if (alpha_count > 1) { - opj_event_msg(p_manager, EVT_WARNING, "Multiple alpha channels specified. No cdef box will be created.\n"); - } - if (alpha_count == 1U) { /* if here, we know what we can do */ - jp2->color.jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t)); - if(!jp2->color.jp2_cdef) { - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup the JP2 encoder\n"); - return OPJ_FALSE; - } - /* no memset needed, all values will be overwritten except if jp2->color.jp2_cdef->info allocation fails, */ - /* in which case jp2->color.jp2_cdef->info will be NULL => valid for destruction */ - jp2->color.jp2_cdef->info = (opj_jp2_cdef_info_t*) opj_malloc(image->numcomps * sizeof(opj_jp2_cdef_info_t)); - if (!jp2->color.jp2_cdef->info) { - /* memory will be freed by opj_jp2_destroy */ - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup the JP2 encoder\n"); - return OPJ_FALSE; - } - jp2->color.jp2_cdef->n = (OPJ_UINT16) image->numcomps; /* cast is valid : image->numcomps [1,16384] */ - for (i = 0U; i < color_channels; i++) { - jp2->color.jp2_cdef->info[i].cn = (OPJ_UINT16)i; /* cast is valid : image->numcomps [1,16384] */ - jp2->color.jp2_cdef->info[i].typ = 0U; - jp2->color.jp2_cdef->info[i].asoc = (OPJ_UINT16)(i+1U); /* No overflow + cast is valid : image->numcomps [1,16384] */ - } - for (; i < image->numcomps; i++) { - if (image->comps[i].alpha != 0) { /* we'll be here exactly once */ - jp2->color.jp2_cdef->info[i].cn = (OPJ_UINT16)i; /* cast is valid : image->numcomps [1,16384] */ - jp2->color.jp2_cdef->info[i].typ = 1U; /* Opacity channel */ - jp2->color.jp2_cdef->info[i].asoc = 0U; /* Apply alpha channel to the whole image */ - } else { - /* Unknown channel */ - jp2->color.jp2_cdef->info[i].cn = (OPJ_UINT16)i; /* cast is valid : image->numcomps [1,16384] */ - jp2->color.jp2_cdef->info[i].typ = 65535U; - jp2->color.jp2_cdef->info[i].asoc = 65535U; - } - } - } - - jp2->precedence = 0; /* PRECEDENCE */ - jp2->approx = 0; /* APPROX */ - - jp2->jpip_on = parameters->jpip_on; - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_encode(opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager) -{ - return opj_j2k_encode(jp2->j2k, stream, p_manager); -} - -OPJ_BOOL opj_jp2_end_decompress(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager - ) -{ - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - - /* customization of the end encoding */ - opj_jp2_setup_end_header_reading(jp2); - - /* write header */ - if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) { - return OPJ_FALSE; - } - - return opj_j2k_end_decompress(jp2->j2k, cio, p_manager); -} - -OPJ_BOOL opj_jp2_end_compress( opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager - ) -{ - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - - /* customization of the end encoding */ - opj_jp2_setup_end_header_writing(jp2); - - if (! opj_j2k_end_compress(jp2->j2k,cio,p_manager)) { - return OPJ_FALSE; - } - - /* write header */ - return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager); -} - -void opj_jp2_setup_end_header_writing (opj_jp2_t *jp2) -{ - /* preconditions */ - assert(jp2 != 00); - -#ifdef USE_JPIP - if( jp2->jpip_on ) - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_iptr ); -#endif - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c ); - /* DEVELOPER CORNER, add your custom procedures */ -#ifdef USE_JPIP - if( jp2->jpip_on ) - { - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_cidx ); - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_write_fidx ); - } -#endif -} - -void opj_jp2_setup_end_header_reading (opj_jp2_t *jp2) -{ - /* preconditions */ - assert(jp2 != 00); - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure ); - /* DEVELOPER CORNER, add your custom procedures */ -} - -OPJ_BOOL opj_jp2_default_validation ( opj_jp2_t * jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager - ) -{ - OPJ_BOOL l_is_valid = OPJ_TRUE; - OPJ_UINT32 i; - - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - - /* JPEG2000 codec validation */ - - /* STATE checking */ - /* make sure the state is at 0 */ - l_is_valid &= (jp2->jp2_state == JP2_STATE_NONE); - - /* make sure not reading a jp2h ???? WEIRD */ - l_is_valid &= (jp2->jp2_img_state == JP2_IMG_STATE_NONE); - - /* POINTER validation */ - /* make sure a j2k codec is present */ - l_is_valid &= (jp2->j2k != 00); - - /* make sure a procedure list is present */ - l_is_valid &= (jp2->m_procedure_list != 00); - - /* make sure a validation list is present */ - l_is_valid &= (jp2->m_validation_list != 00); - - /* PARAMETER VALIDATION */ - /* number of components */ - l_is_valid &= (jp2->numcl > 0); - /* width */ - l_is_valid &= (jp2->h > 0); - /* height */ - l_is_valid &= (jp2->w > 0); - /* precision */ - for (i = 0; i < jp2->numcomps; ++i) { - l_is_valid &= ((jp2->comps[i].bpcc & 0x7FU) < 38U); /* 0 is valid, ignore sign for check */ - } - - /* METH */ - l_is_valid &= ((jp2->meth > 0) && (jp2->meth < 3)); - - /* stream validation */ - /* back and forth is needed */ - l_is_valid &= opj_stream_has_seek(cio); - - return l_is_valid; -} - -OPJ_BOOL opj_jp2_read_header_procedure( opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager - ) -{ - opj_jp2_box_t box; - OPJ_UINT32 l_nb_bytes_read; - const opj_jp2_header_handler_t * l_current_handler; - OPJ_UINT32 l_last_data_size = OPJ_BOX_SIZE; - OPJ_UINT32 l_current_data_size; - OPJ_BYTE * l_current_data = 00; - - /* preconditions */ - assert(stream != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - l_current_data = (OPJ_BYTE*)opj_calloc(1,l_last_data_size); - - if (l_current_data == 00) { - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 file header\n"); - return OPJ_FALSE; - } - - while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) { - /* is it the codestream box ? */ - if (box.type == JP2_JP2C) { - if (jp2->jp2_state & JP2_STATE_HEADER) { - jp2->jp2_state |= JP2_STATE_CODESTREAM; - opj_free(l_current_data); - return OPJ_TRUE; - } - else { - opj_event_msg(p_manager, EVT_ERROR, "bad placed jpeg codestream\n"); - opj_free(l_current_data); - return OPJ_FALSE; - } - } - else if (box.length == 0) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); - opj_free(l_current_data); - return OPJ_FALSE; - } - /* testcase 1851.pdf.SIGSEGV.ce9.948 */ - else if (box.length < l_nb_bytes_read) { - opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type); - opj_free(l_current_data); - return OPJ_FALSE; - } - - l_current_handler = opj_jp2_find_handler(box.type); - l_current_data_size = box.length - l_nb_bytes_read; - - if (l_current_handler != 00) { - if ((OPJ_OFF_T)l_current_data_size > opj_stream_get_number_byte_left(stream)) { - /* do not even try to malloc if we can't read */ - opj_event_msg(p_manager, EVT_ERROR, "Invalid box size %d for box '%c%c%c%c'. Need %d bytes, %d bytes remaining \n", box.length, (OPJ_BYTE)(box.type>>24), (OPJ_BYTE)(box.type>>16), (OPJ_BYTE)(box.type>>8), (OPJ_BYTE)(box.type>>0), l_current_data_size, (OPJ_UINT32)opj_stream_get_number_byte_left(stream)); - opj_free(l_current_data); - return OPJ_FALSE; - } - if (l_current_data_size > l_last_data_size) { - OPJ_BYTE* new_current_data = (OPJ_BYTE*)opj_realloc(l_current_data,l_current_data_size); - if (!new_current_data) { - opj_free(l_current_data); - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to handle jpeg2000 box\n"); - return OPJ_FALSE; - } - l_current_data = new_current_data; - l_last_data_size = l_current_data_size; - } - - l_nb_bytes_read = (OPJ_UINT32)opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager); - if (l_nb_bytes_read != l_current_data_size) { - opj_event_msg(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n"); - opj_free(l_current_data); - return OPJ_FALSE; - } - - if (! l_current_handler->handler(jp2,l_current_data,l_current_data_size,p_manager)) { - opj_free(l_current_data); - return OPJ_FALSE; - } - } - else { - if (!(jp2->jp2_state & JP2_STATE_SIGNATURE)) { - opj_event_msg(p_manager, EVT_ERROR, "Malformed JP2 file format: first box must be JPEG 2000 signature box\n"); - opj_free(l_current_data); - return OPJ_FALSE; - } - if (!(jp2->jp2_state & JP2_STATE_FILE_TYPE)) { - opj_event_msg(p_manager, EVT_ERROR, "Malformed JP2 file format: second box must be file type box\n"); - opj_free(l_current_data); - return OPJ_FALSE; - } - jp2->jp2_state |= JP2_STATE_UNKNOWN; - if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) { - opj_event_msg(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n"); - opj_free(l_current_data); - return OPJ_FALSE; - } - } - } - - opj_free(l_current_data); - - return OPJ_TRUE; -} - -/** - * Excutes the given procedures on the given codec. - * - * @param p_procedure_list the list of procedures to execute - * @param jp2 the jpeg2000 file codec to execute the procedures on. - * @param stream the stream to execute the procedures on. - * @param p_manager the user manager. - * - * @return true if all the procedures were successfully executed. - */ -static OPJ_BOOL opj_jp2_exec ( opj_jp2_t * jp2, - opj_procedure_list_t * p_procedure_list, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager - ) - -{ - OPJ_BOOL (** l_procedure) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00; - OPJ_BOOL l_result = OPJ_TRUE; - OPJ_UINT32 l_nb_proc, i; - - /* preconditions */ - assert(p_procedure_list != 00); - assert(jp2 != 00); - assert(stream != 00); - assert(p_manager != 00); - - l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list); - l_procedure = (OPJ_BOOL (**) (opj_jp2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list); - - for (i=0;i<l_nb_proc;++i) { - l_result = l_result && (*l_procedure) (jp2,stream,p_manager); - ++l_procedure; - } - - /* and clear the procedure list at the end. */ - opj_procedure_list_clear(p_procedure_list); - return l_result; -} - -OPJ_BOOL opj_jp2_start_compress(opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_image_t * p_image, - opj_event_mgr_t * p_manager - ) -{ - /* preconditions */ - assert(jp2 != 00); - assert(stream != 00); - assert(p_manager != 00); - - /* customization of the validation */ - opj_jp2_setup_encoding_validation (jp2); - - /* validation of the parameters codec */ - if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) { - return OPJ_FALSE; - } - - /* customization of the encoding */ - opj_jp2_setup_header_writing(jp2); - - /* write header */ - if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) { - return OPJ_FALSE; - } - - return opj_j2k_start_compress(jp2->j2k,stream,p_image,p_manager); -} - -const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id) -{ - OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t); - - for (i=0;i<l_handler_size;++i) { - if (jp2_header[i].id == p_id) { - return &jp2_header[i]; - } - } - return NULL; -} - -/** - * Finds the image execution function related to the given box id. - * - * @param p_id the id of the handler to fetch. - * - * @return the given handler or 00 if it could not be found. - */ -static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id) -{ - OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t); - for (i=0;i<l_handler_size;++i) - { - if (jp2_img_header[i].id == p_id) { - return &jp2_img_header[i]; - } - } - - return NULL; -} - -/** - * Reads a jpeg2000 file signature box. - * - * @param p_header_data the data contained in the signature box. - * @param jp2 the jpeg2000 file codec. - * @param p_header_size the size of the data contained in the signature box. - * @param p_manager the user event manager. - * - * @return true if the file signature box is valid. - */ -static OPJ_BOOL opj_jp2_read_jp(opj_jp2_t *jp2, - OPJ_BYTE * p_header_data, - OPJ_UINT32 p_header_size, - opj_event_mgr_t * p_manager - ) - -{ - OPJ_UINT32 l_magic_number; - - /* preconditions */ - assert(p_header_data != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - if (jp2->jp2_state != JP2_STATE_NONE) { - opj_event_msg(p_manager, EVT_ERROR, "The signature box must be the first box in the file.\n"); - return OPJ_FALSE; - } - - /* assure length of data is correct (4 -> magic number) */ - if (p_header_size != 4) { - opj_event_msg(p_manager, EVT_ERROR, "Error with JP signature Box size\n"); - return OPJ_FALSE; - } - - /* rearrange data */ - opj_read_bytes(p_header_data,&l_magic_number,4); - if (l_magic_number != 0x0d0a870a ) { - opj_event_msg(p_manager, EVT_ERROR, "Error with JP Signature : bad magic number\n"); - return OPJ_FALSE; - } - - jp2->jp2_state |= JP2_STATE_SIGNATURE; - - return OPJ_TRUE; -} - -/** - * Reads a a FTYP box - File type box - * - * @param p_header_data the data contained in the FTYP box. - * @param jp2 the jpeg2000 file codec. - * @param p_header_size the size of the data contained in the FTYP box. - * @param p_manager the user event manager. - * - * @return true if the FTYP box is valid. - */ -static OPJ_BOOL opj_jp2_read_ftyp( opj_jp2_t *jp2, - OPJ_BYTE * p_header_data, - OPJ_UINT32 p_header_size, - opj_event_mgr_t * p_manager - ) -{ - OPJ_UINT32 i, l_remaining_bytes; - - /* preconditions */ - assert(p_header_data != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - if (jp2->jp2_state != JP2_STATE_SIGNATURE) { - opj_event_msg(p_manager, EVT_ERROR, "The ftyp box must be the second box in the file.\n"); - return OPJ_FALSE; - } - - /* assure length of data is correct */ - if (p_header_size < 8) { - opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n"); - return OPJ_FALSE; - } - - opj_read_bytes(p_header_data,&jp2->brand,4); /* BR */ - p_header_data += 4; - - opj_read_bytes(p_header_data,&jp2->minversion,4); /* MinV */ - p_header_data += 4; - - l_remaining_bytes = p_header_size - 8; - - /* the number of remaining bytes should be a multiple of 4 */ - if ((l_remaining_bytes & 0x3) != 0) { - opj_event_msg(p_manager, EVT_ERROR, "Error with FTYP signature Box size\n"); - return OPJ_FALSE; - } - - /* div by 4 */ - jp2->numcl = l_remaining_bytes >> 2; - if (jp2->numcl) { - jp2->cl = (OPJ_UINT32 *) opj_calloc(jp2->numcl, sizeof(OPJ_UINT32)); - if (jp2->cl == 00) { - opj_event_msg(p_manager, EVT_ERROR, "Not enough memory with FTYP Box\n"); - return OPJ_FALSE; - } - } - - for (i = 0; i < jp2->numcl; ++i) - { - opj_read_bytes(p_header_data,&jp2->cl[i],4); /* CLi */ - p_header_data += 4; - } - - jp2->jp2_state |= JP2_STATE_FILE_TYPE; - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_skip_jp2c( opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager ) -{ - /* preconditions */ - assert(jp2 != 00); - assert(stream != 00); - assert(p_manager != 00); - - jp2->j2k_codestream_offset = opj_stream_tell(stream); - - if (opj_stream_skip(stream,8,p_manager) != 8) { - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -static OPJ_BOOL opj_jpip_skip_iptr( opj_jp2_t *jp2, - opj_stream_private_t *stream, - opj_event_mgr_t * p_manager ) -{ - /* preconditions */ - assert(jp2 != 00); - assert(stream != 00); - assert(p_manager != 00); - - jp2->jpip_iptr_offset = opj_stream_tell(stream); - - if (opj_stream_skip(stream,24,p_manager) != 24) { - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -/** - * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). - * - * @param p_header_data the data contained in the file header box. - * @param jp2 the jpeg2000 file codec. - * @param p_header_size the size of the data contained in the file header box. - * @param p_manager the user event manager. - * - * @return true if the JP2 Header box was successfully reconized. -*/ -static OPJ_BOOL opj_jp2_read_jp2h( opj_jp2_t *jp2, - OPJ_BYTE *p_header_data, - OPJ_UINT32 p_header_size, - opj_event_mgr_t * p_manager - ) -{ - OPJ_UINT32 l_box_size=0, l_current_data_size = 0; - opj_jp2_box_t box; - const opj_jp2_header_handler_t * l_current_handler; - OPJ_BOOL l_has_ihdr = 0; - - /* preconditions */ - assert(p_header_data != 00); - assert(jp2 != 00); - assert(p_manager != 00); - - /* make sure the box is well placed */ - if ((jp2->jp2_state & JP2_STATE_FILE_TYPE) != JP2_STATE_FILE_TYPE ) { - opj_event_msg(p_manager, EVT_ERROR, "The box must be the first box in the file.\n"); - return OPJ_FALSE; - } - - jp2->jp2_img_state = JP2_IMG_STATE_NONE; - - /* iterate while remaining data */ - while (p_header_size > 0) { - - if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n"); - return OPJ_FALSE; - } - - if (box.length > p_header_size) { - opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: box length is inconsistent.\n"); - return OPJ_FALSE; - } - - l_current_handler = opj_jp2_img_find_handler(box.type); - l_current_data_size = box.length - l_box_size; - p_header_data += l_box_size; - - if (l_current_handler != 00) { - if (! l_current_handler->handler(jp2,p_header_data,l_current_data_size,p_manager)) { - return OPJ_FALSE; - } - } - else { - jp2->jp2_img_state |= JP2_IMG_STATE_UNKNOWN; - } - - if (box.type == JP2_IHDR) { - l_has_ihdr = 1; - } - - p_header_data += l_current_data_size; - p_header_size -= box.length; - } - - if (l_has_ihdr == 0) { - opj_event_msg(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box: no 'ihdr' box.\n"); - return OPJ_FALSE; - } - - jp2->jp2_state |= JP2_STATE_HEADER; - - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_read_boxhdr_char( opj_jp2_box_t *box, - OPJ_BYTE * p_data, - OPJ_UINT32 * p_number_bytes_read, - OPJ_UINT32 p_box_max_size, - opj_event_mgr_t * p_manager - ) -{ - OPJ_UINT32 l_value; - - /* preconditions */ - assert(p_data != 00); - assert(box != 00); - assert(p_number_bytes_read != 00); - assert(p_manager != 00); - - if (p_box_max_size < 8) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of less than 8 bytes\n"); - return OPJ_FALSE; - } - - /* process read data */ - opj_read_bytes(p_data, &l_value, 4); - p_data += 4; - box->length = (OPJ_UINT32)(l_value); - - opj_read_bytes(p_data, &l_value, 4); - p_data += 4; - box->type = (OPJ_UINT32)(l_value); - - *p_number_bytes_read = 8; - - /* do we have a "special very large box ?" */ - /* read then the XLBox */ - if (box->length == 1) { - OPJ_UINT32 l_xl_part_size; - - if (p_box_max_size < 16) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle XL box of less than 16 bytes\n"); - return OPJ_FALSE; - } - - opj_read_bytes(p_data,&l_xl_part_size, 4); - p_data += 4; - *p_number_bytes_read += 4; - - if (l_xl_part_size != 0) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n"); - return OPJ_FALSE; - } - - opj_read_bytes(p_data, &l_value, 4); - *p_number_bytes_read += 4; - box->length = (OPJ_UINT32)(l_value); - - if (box->length == 0) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); - return OPJ_FALSE; - } - } - else if (box->length == 0) { - opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n"); - return OPJ_FALSE; - } - if (box->length < *p_number_bytes_read) { - opj_event_msg(p_manager, EVT_ERROR, "Box length is inconsistent.\n"); - return OPJ_FALSE; - } - return OPJ_TRUE; -} - -OPJ_BOOL opj_jp2_read_header( opj_stream_private_t *p_stream, - opj_jp2_t *jp2, - opj_image_t ** p_image, - opj_event_mgr_t * p_manager - ) -{ - /* preconditions */ - assert(jp2 != 00); - assert(p_stream != 00); - assert(p_manager != 00); - - /* customization of the validation */ - opj_jp2_setup_decoding_validation (jp2); - - /* customization of the encoding */ - opj_jp2_setup_header_reading(jp2); - - /* validation of the parameters codec */ - if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) { - return OPJ_FALSE; - } - - /* read header */ - if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) { - return OPJ_FALSE; - } - - return opj_j2k_read_header( p_stream, - jp2->j2k, - p_image, - p_manager); -} - -void opj_jp2_setup_encoding_validation (opj_jp2_t *jp2) -{ - /* preconditions */ - assert(jp2 != 00); - - opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation); - /* DEVELOPER CORNER, add your custom validation procedure */ -} - -void opj_jp2_setup_decoding_validation (opj_jp2_t *jp2) -{ - /* preconditions */ - assert(jp2 != 00); - /* DEVELOPER CORNER, add your custom validation procedure */ -} - -void opj_jp2_setup_header_writing (opj_jp2_t *jp2) -{ - /* preconditions */ - assert(jp2 != 00); - - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp ); - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp ); - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h ); - if( jp2->jpip_on ) - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jpip_skip_iptr ); - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c ); - - /* DEVELOPER CORNER, insert your custom procedures */ - -} - -void opj_jp2_setup_header_reading (opj_jp2_t *jp2) -{ - /* preconditions */ - assert(jp2 != 00); - - opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure ); - /* DEVELOPER CORNER, add your custom procedures */ -} - -OPJ_BOOL opj_jp2_read_tile_header ( opj_jp2_t * p_jp2, - OPJ_UINT32 * p_tile_index, - OPJ_UINT32 * p_data_size, - OPJ_INT32 * p_tile_x0, - OPJ_INT32 * p_tile_y0, - OPJ_INT32 * p_tile_x1, - OPJ_INT32 * p_tile_y1, - OPJ_UINT32 * p_nb_comps, - OPJ_BOOL * p_go_on, - opj_stream_private_t *p_stream, - opj_event_mgr_t * p_manager - ) -{ - return opj_j2k_read_tile_header(p_jp2->j2k, - p_tile_index, - p_data_size, - p_tile_x0, p_tile_y0, - p_tile_x1, p_tile_y1, - p_nb_comps, - p_go_on, - p_stream, - p_manager); -} - -OPJ_BOOL opj_jp2_write_tile ( opj_jp2_t *p_jp2, - 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 - ) - -{ - return opj_j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager); -} - -OPJ_BOOL opj_jp2_decode_tile ( opj_jp2_t * p_jp2, - 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 - ) -{ - return opj_j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager); -} - -void opj_jp2_destroy(opj_jp2_t *jp2) -{ - if (jp2) { - /* destroy the J2K codec */ - opj_j2k_destroy(jp2->j2k); - jp2->j2k = 00; - - if (jp2->comps) { - opj_free(jp2->comps); - jp2->comps = 00; - } - - if (jp2->cl) { - opj_free(jp2->cl); - jp2->cl = 00; - } - - if (jp2->color.icc_profile_buf) { - opj_free(jp2->color.icc_profile_buf); - jp2->color.icc_profile_buf = 00; - } - - if (jp2->color.jp2_cdef) { - if (jp2->color.jp2_cdef->info) { - opj_free(jp2->color.jp2_cdef->info); - jp2->color.jp2_cdef->info = NULL; - } - - opj_free(jp2->color.jp2_cdef); - jp2->color.jp2_cdef = 00; - } - - if (jp2->color.jp2_pclr) { - if (jp2->color.jp2_pclr->cmap) { - opj_free(jp2->color.jp2_pclr->cmap); - jp2->color.jp2_pclr->cmap = NULL; - } - if (jp2->color.jp2_pclr->channel_sign) { - opj_free(jp2->color.jp2_pclr->channel_sign); - jp2->color.jp2_pclr->channel_sign = NULL; - } - if (jp2->color.jp2_pclr->channel_size) { - opj_free(jp2->color.jp2_pclr->channel_size); - jp2->color.jp2_pclr->channel_size = NULL; - } - if (jp2->color.jp2_pclr->entries) { - opj_free(jp2->color.jp2_pclr->entries); - jp2->color.jp2_pclr->entries = NULL; - } - - opj_free(jp2->color.jp2_pclr); - jp2->color.jp2_pclr = 00; - } - - if (jp2->m_validation_list) { - opj_procedure_list_destroy(jp2->m_validation_list); - jp2->m_validation_list = 00; - } - - if (jp2->m_procedure_list) { - opj_procedure_list_destroy(jp2->m_procedure_list); - jp2->m_procedure_list = 00; - } - - opj_free(jp2); - } -} - -OPJ_BOOL opj_jp2_set_decode_area( opj_jp2_t *p_jp2, - opj_image_t* p_image, - OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, - OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, - opj_event_mgr_t * p_manager - ) -{ - return opj_j2k_set_decode_area(p_jp2->j2k, p_image, p_start_x, p_start_y, p_end_x, p_end_y, p_manager); -} - -OPJ_BOOL opj_jp2_get_tile( opj_jp2_t *p_jp2, - opj_stream_private_t *p_stream, - opj_image_t* p_image, - opj_event_mgr_t * p_manager, - OPJ_UINT32 tile_index - ) -{ - if (!p_image) - return OPJ_FALSE; - - opj_event_msg(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n"); - - if (! opj_j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){ - opj_event_msg(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n"); - return OPJ_FALSE; - } - - if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) { - return OPJ_FALSE; - } - - /* Set Image Color Space */ - if (p_jp2->enumcs == 16) - p_image->color_space = OPJ_CLRSPC_SRGB; - else if (p_jp2->enumcs == 17) - p_image->color_space = OPJ_CLRSPC_GRAY; - else if (p_jp2->enumcs == 18) - p_image->color_space = OPJ_CLRSPC_SYCC; - else - p_image->color_space = OPJ_CLRSPC_UNKNOWN; - - if(p_jp2->color.jp2_pclr) { - /* Part 1, I.5.3.4: Either both or none : */ - if( !p_jp2->color.jp2_pclr->cmap) - opj_jp2_free_pclr(&(p_jp2->color)); - else - opj_jp2_apply_pclr(p_image, &(p_jp2->color)); - } - - /* Apply the color space if needed */ - if(p_jp2->color.jp2_cdef) { - opj_jp2_apply_cdef(p_image, &(p_jp2->color)); - } - - if(p_jp2->color.icc_profile_buf) { - p_image->icc_profile_buf = p_jp2->color.icc_profile_buf; - p_image->icc_profile_len = p_jp2->color.icc_profile_len; - p_jp2->color.icc_profile_buf = NULL; - } - - return OPJ_TRUE; -} - -/* ----------------------------------------------------------------------- */ -/* JP2 encoder interface */ -/* ----------------------------------------------------------------------- */ - -opj_jp2_t* opj_jp2_create(OPJ_BOOL p_is_decoder) -{ - opj_jp2_t *jp2 = (opj_jp2_t*)opj_calloc(1,sizeof(opj_jp2_t)); - if (jp2) { - - /* create the J2K codec */ - if (! p_is_decoder) { - jp2->j2k = opj_j2k_create_compress(); - } - else { - jp2->j2k = opj_j2k_create_decompress(); - } - - if (jp2->j2k == 00) { - opj_jp2_destroy(jp2); - return 00; - } - - /* Color structure */ - jp2->color.icc_profile_buf = NULL; - jp2->color.icc_profile_len = 0; - jp2->color.jp2_cdef = NULL; - jp2->color.jp2_pclr = NULL; - jp2->color.jp2_has_colr = 0; - - /* validation list creation */ - jp2->m_validation_list = opj_procedure_list_create(); - if (! jp2->m_validation_list) { - opj_jp2_destroy(jp2); - return 00; - } - - /* execution list creation */ - jp2->m_procedure_list = opj_procedure_list_create(); - if (! jp2->m_procedure_list) { - opj_jp2_destroy(jp2); - return 00; - } - } - - return jp2; -} - -void jp2_dump(opj_jp2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream) -{ - /* preconditions */ - assert(p_jp2 != 00); - - j2k_dump(p_jp2->j2k, - flag, - out_stream); -} - -opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_t* p_jp2) -{ - return j2k_get_cstr_index(p_jp2->j2k); -} - -opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_t* p_jp2) -{ - return j2k_get_cstr_info(p_jp2->j2k); -} - -OPJ_BOOL opj_jp2_set_decoded_resolution_factor(opj_jp2_t *p_jp2, - OPJ_UINT32 res_factor, - opj_event_mgr_t * p_manager) -{ - return opj_j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager); -} - -/* JPIP specific */ - -#ifdef USE_JPIP -static OPJ_BOOL opj_jpip_write_iptr(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_OFF_T j2k_codestream_exit; - OPJ_BYTE l_data_header [24]; - - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - assert(opj_stream_has_seek(cio)); - - j2k_codestream_exit = opj_stream_tell(cio); - opj_write_bytes(l_data_header, 24, 4); /* size of iptr */ - opj_write_bytes(l_data_header + 4,JPIP_IPTR,4); /* IPTR */ -#if 0 - opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */ - opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */ -#else - opj_write_double(l_data_header + 4 + 4, 0); /* offset */ - opj_write_double(l_data_header + 8 + 8, 0); /* length */ -#endif - - if (! opj_stream_seek(cio,jp2->jpip_iptr_offset,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -static OPJ_BOOL opj_jpip_write_fidx(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_OFF_T j2k_codestream_exit; - OPJ_BYTE l_data_header [24]; - - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - assert(opj_stream_has_seek(cio)); - - opj_write_bytes(l_data_header, 24, 4); /* size of iptr */ - opj_write_bytes(l_data_header + 4,JPIP_FIDX,4); /* IPTR */ - opj_write_double(l_data_header + 4 + 4, 0); /* offset */ - opj_write_double(l_data_header + 8 + 8, 0); /* length */ - - if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - j2k_codestream_exit = opj_stream_tell(cio); - if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -static OPJ_BOOL opj_jpip_write_cidx(opj_jp2_t *jp2, - opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_OFF_T j2k_codestream_exit; - OPJ_BYTE l_data_header [24]; - - /* preconditions */ - assert(jp2 != 00); - assert(cio != 00); - assert(p_manager != 00); - assert(opj_stream_has_seek(cio)); - - j2k_codestream_exit = opj_stream_tell(cio); - opj_write_bytes(l_data_header, 24, 4); /* size of iptr */ - opj_write_bytes(l_data_header + 4,JPIP_CIDX,4); /* IPTR */ -#if 0 - opj_write_bytes(l_data_header + 4 + 4, 0, 8); /* offset */ - opj_write_bytes(l_data_header + 8 + 8, 0, 8); /* length */ -#else - opj_write_double(l_data_header + 4 + 4, 0); /* offset */ - opj_write_double(l_data_header + 8 + 8, 0); /* length */ -#endif - - if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - if (opj_stream_write_data(cio,l_data_header,24,p_manager) != 24) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - j2k_codestream_exit = opj_stream_tell(cio); - if (! opj_stream_seek(cio,j2k_codestream_exit,p_manager)) { - opj_event_msg(p_manager, EVT_ERROR, "Failed to seek in the stream.\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -#if 0 -static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_BYTE l_data_header [8]; - OPJ_OFF_T len, lenp; - - lenp = opj_stream_tell(cio); - opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ - opj_write_bytes(l_data_header,JPIP_PRXY,4); /* IPTR */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - opj_write_bytes( l_data_header, offset_jp2c, 8); /* OOFF */ - opj_stream_write_data(cio,l_data_header,8,p_manager); - opj_write_bytes( l_data_header, length_jp2c, 4); /* OBH part 1 */ - opj_write_bytes( l_data_header+4, JP2_JP2C, 4); /* OBH part 2 */ - opj_stream_write_data(cio,l_data_header,8,p_manager); - - opj_write_bytes( l_data_header, 1, 1);/* NI */ - opj_stream_write_data(cio,l_data_header,1,p_manager); - - opj_write_bytes( l_data_header, offset_idx, 8); /* IOFF */ - opj_stream_write_data(cio,l_data_header,8,p_manager); - opj_write_bytes( l_data_header, length_idx, 4); /* IBH part 1 */ - opj_write_bytes( l_data_header+4, JPIP_CIDX, 4); /* IBH part 2 */ - opj_stream_write_data(cio,l_data_header,8,p_manager); - - len = opj_stream_tell(cio)-lenp; - opj_stream_skip(cio, lenp, p_manager); - opj_write_bytes(l_data_header,len,4);/* L */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - opj_stream_seek(cio, lenp+len,p_manager); -} -#endif - - -#if 0 -static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_stream_private_t *cio, - opj_event_mgr_t * p_manager ) -{ - OPJ_BYTE l_data_header [4]; - OPJ_OFF_T len, lenp; - - lenp = opj_stream_tell(cio); - opj_stream_skip(cio, 4, p_manager); - opj_write_bytes(l_data_header,JPIP_FIDX,4); /* FIDX */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - - write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio,p_manager); - - len = opj_stream_tell(cio)-lenp; - opj_stream_skip(cio, lenp, p_manager); - opj_write_bytes(l_data_header,len,4);/* L */ - opj_stream_write_data(cio,l_data_header,4,p_manager); - opj_stream_seek(cio, lenp+len,p_manager); - - return len; -} -#endif -#endif /* USE_JPIP */ |