/* * 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) 2005, Herve Drolon, FreeImage Team * 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. */ #ifdef _WIN32 #include <windows.h> #endif /* _WIN32 */ #include "opj_includes.h" /* ---------------------------------------------------------------------- */ /* Functions to set the message handlers */ OPJ_BOOL OPJ_CALLCONV opj_set_info_handler( opj_codec_t * p_codec, opj_msg_callback p_callback, void * p_user_data) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if(! l_codec){ return OPJ_FALSE; } l_codec->m_event_mgr.info_handler = p_callback; l_codec->m_event_mgr.m_info_data = p_user_data; return OPJ_TRUE; } OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler( opj_codec_t * p_codec, opj_msg_callback p_callback, void * p_user_data) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if (! l_codec) { return OPJ_FALSE; } l_codec->m_event_mgr.warning_handler = p_callback; l_codec->m_event_mgr.m_warning_data = p_user_data; return OPJ_TRUE; } OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec, opj_msg_callback p_callback, void * p_user_data) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if (! l_codec) { return OPJ_FALSE; } l_codec->m_event_mgr.error_handler = p_callback; l_codec->m_event_mgr.m_error_data = p_user_data; return OPJ_TRUE; } /* ---------------------------------------------------------------------- */ static OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file) { OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file); return l_nb_read ? l_nb_read : (OPJ_SIZE_T)-1; } static OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file) { OPJ_OFF_T file_length = 0; OPJ_FSEEK(p_file, 0, SEEK_END); file_length = (OPJ_OFF_T)OPJ_FTELL(p_file); OPJ_FSEEK(p_file, 0, SEEK_SET); return (OPJ_UINT64)file_length; } static OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file) { return fwrite(p_buffer,1,p_nb_bytes,p_file); } static OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data) { if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) { return -1; } return p_nb_bytes; } static OPJ_BOOL opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data) { if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) { return OPJ_FALSE; } return OPJ_TRUE; } /* ---------------------------------------------------------------------- */ #ifdef _WIN32 #ifndef OPJ_STATIC BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { OPJ_ARG_NOT_USED(lpReserved); OPJ_ARG_NOT_USED(hModule); switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH : break; case DLL_PROCESS_DETACH : break; case DLL_THREAD_ATTACH : case DLL_THREAD_DETACH : break; } return TRUE; } #endif /* OPJ_STATIC */ #endif /* _WIN32 */ /* ---------------------------------------------------------------------- */ const char* OPJ_CALLCONV opj_version(void) { return OPJ_PACKAGE_VERSION; } /* ---------------------------------------------------------------------- */ /* DECOMPRESSION FUNCTIONS*/ opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format) { opj_codec_private_t *l_codec = 00; l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t)); if (!l_codec){ return 00; } l_codec->is_decompressor = 1; switch (p_format) { case OPJ_CODEC_J2K: l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump; l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info; l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index; l_codec->m_codec_data.m_decompression.opj_decode = (OPJ_BOOL (*) ( void *, struct opj_stream_private *, opj_image_t*, struct opj_event_mgr * )) opj_j2k_decode; l_codec->m_codec_data.m_decompression.opj_end_decompress = (OPJ_BOOL (*) ( void *, struct opj_stream_private *, struct opj_event_mgr *)) opj_j2k_end_decompress; l_codec->m_codec_data.m_decompression.opj_read_header = (OPJ_BOOL (*) ( struct opj_stream_private *, void *, opj_image_t **, struct opj_event_mgr * )) opj_j2k_read_header; l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))opj_j2k_destroy; l_codec->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * , opj_dparameters_t * )) opj_j2k_setup_decoder; l_codec->m_codec_data.m_decompression.opj_read_tile_header = (OPJ_BOOL (*) ( void *, OPJ_UINT32*, OPJ_UINT32*, OPJ_INT32*, OPJ_INT32*, OPJ_INT32*, OPJ_INT32*, OPJ_UINT32*, OPJ_BOOL*, struct opj_stream_private *, struct opj_event_mgr * )) opj_j2k_read_tile_header; l_codec->m_codec_data.m_decompression.opj_decode_tile_data = (OPJ_BOOL (*) ( void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) opj_j2k_decode_tile; l_codec->m_codec_data.m_decompression.opj_set_decode_area = (OPJ_BOOL (*) ( void *, opj_image_t*, OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32, struct opj_event_mgr *)) opj_j2k_set_decode_area; l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = (OPJ_BOOL (*) ( void *p_codec, opj_stream_private_t *p_cio, opj_image_t *p_image, struct opj_event_mgr * p_manager, OPJ_UINT32 tile_index)) opj_j2k_get_tile; l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (OPJ_BOOL (*) ( void * p_codec, OPJ_UINT32 res_factor, struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor; l_codec->m_codec = opj_j2k_create_decompress(); if (! l_codec->m_codec) { opj_free(l_codec); return NULL; } break; case OPJ_CODEC_JP2: /* get a JP2 decoder handle */ l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump; l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info; l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index; l_codec->m_codec_data.m_decompression.opj_decode = (OPJ_BOOL (*) ( void *, struct opj_stream_private *, opj_image_t*, struct opj_event_mgr * )) opj_jp2_decode; l_codec->m_codec_data.m_decompression.opj_end_decompress = (OPJ_BOOL (*) ( void *, struct opj_stream_private *, struct opj_event_mgr *)) opj_jp2_end_decompress; l_codec->m_codec_data.m_decompression.opj_read_header = (OPJ_BOOL (*) ( struct opj_stream_private *, void *, opj_image_t **, struct opj_event_mgr * )) opj_jp2_read_header; l_codec->m_codec_data.m_decompression.opj_read_tile_header = (OPJ_BOOL (*) ( void *, OPJ_UINT32*, OPJ_UINT32*, OPJ_INT32*, OPJ_INT32*, OPJ_INT32 * , OPJ_INT32 * , OPJ_UINT32 * , OPJ_BOOL *, struct opj_stream_private *, struct opj_event_mgr * )) opj_jp2_read_tile_header; l_codec->m_codec_data.m_decompression.opj_decode_tile_data = (OPJ_BOOL (*) ( void *, OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr * )) opj_jp2_decode_tile; l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))opj_jp2_destroy; l_codec->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) opj_jp2_setup_decoder; l_codec->m_codec_data.m_decompression.opj_set_decode_area = (OPJ_BOOL (*) ( void *, opj_image_t*, OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32, struct opj_event_mgr * )) opj_jp2_set_decode_area; l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = (OPJ_BOOL (*) ( void *p_codec, opj_stream_private_t *p_cio, opj_image_t *p_image, struct opj_event_mgr * p_manager, OPJ_UINT32 tile_index)) opj_jp2_get_tile; l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (OPJ_BOOL (*) ( void * p_codec, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor; l_codec->m_codec = opj_jp2_create(OPJ_TRUE); if (! l_codec->m_codec) { opj_free(l_codec); return 00; } break; case OPJ_CODEC_UNKNOWN: case OPJ_CODEC_JPT: default: opj_free(l_codec); return 00; } opj_set_default_event_handler(&(l_codec->m_event_mgr)); return (opj_codec_t*) l_codec; } void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) { if(parameters) { memset(parameters, 0, sizeof(opj_dparameters_t)); /* default decoding parameters */ parameters->cp_layer = 0; parameters->cp_reduce = 0; parameters->decod_format = -1; parameters->cod_format = -1; parameters->flags = 0; /* UniPG>> */ #ifdef USE_JPWL parameters->jpwl_correct = OPJ_FALSE; parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS; parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES; #endif /* USE_JPWL */ /* <<UniPG */ } } OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec, opj_dparameters_t *parameters ) { if (p_codec && parameters) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if (! l_codec->is_decompressor) { opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR, "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n"); return OPJ_FALSE; } l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec, parameters); return OPJ_TRUE; } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream, opj_codec_t *p_codec, opj_image_t **p_image ) { if (p_codec && p_stream) { opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec; opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; if(! l_codec->is_decompressor) { opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR, "Codec provided to the opj_read_header function is not a decompressor handler.\n"); return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_read_header( l_stream, l_codec->m_codec, p_image, &(l_codec->m_event_mgr) ); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_decode( opj_codec_t *p_codec, opj_stream_t *p_stream, opj_image_t* p_image) { if (p_codec && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec, l_stream, p_image, &(l_codec->m_event_mgr) ); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec, 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 ) { if (p_codec) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if (! l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_set_decode_area( l_codec->m_codec, p_image, p_start_x, p_start_y, p_end_x, p_end_y, &(l_codec->m_event_mgr) ); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_read_tile_header( opj_codec_t *p_codec, opj_stream_t * p_stream, 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_should_go_on) { if (p_codec && p_stream && p_data_size && p_tile_index) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_read_tile_header( l_codec->m_codec, p_tile_index, p_data_size, p_tile_x0, p_tile_y0, p_tile_x1, p_tile_y1, p_nb_comps, p_should_go_on, l_stream, &(l_codec->m_event_mgr)); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data( opj_codec_t *p_codec, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, opj_stream_t *p_stream ) { if (p_codec && p_data && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_decode_tile_data( l_codec->m_codec, p_tile_index, p_data, p_data_size, l_stream, &(l_codec->m_event_mgr) ); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec, opj_stream_t *p_stream, opj_image_t *p_image, OPJ_UINT32 tile_index) { if (p_codec && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile( l_codec->m_codec, l_stream, p_image, &(l_codec->m_event_mgr), tile_index); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec, OPJ_UINT32 res_factor ) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if ( !l_codec ){ fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n"); return OPJ_FALSE; } l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec, res_factor, &(l_codec->m_event_mgr) ); return OPJ_TRUE; } /* ---------------------------------------------------------------------- */ /* COMPRESSION FUNCTIONS*/ opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format) { opj_codec_private_t *l_codec = 00; l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t)); if (!l_codec) { return 00; } l_codec->is_decompressor = 0; switch(p_format) { case OPJ_CODEC_J2K: l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *, struct opj_stream_private *, struct opj_event_mgr * )) opj_j2k_encode; l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) ( void *, struct opj_stream_private *, struct opj_event_mgr *)) opj_j2k_end_compress; l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *, struct opj_stream_private *, struct opj_image * , struct opj_event_mgr *)) opj_j2k_start_compress; l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *) ) opj_j2k_write_tile; l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_j2k_destroy; l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL (*) ( void *, opj_cparameters_t *, struct opj_image *, struct opj_event_mgr * )) opj_j2k_setup_encoder; l_codec->m_codec = opj_j2k_create_compress(); if (! l_codec->m_codec) { opj_free(l_codec); return 00; } break; case OPJ_CODEC_JP2: /* get a JP2 decoder handle */ l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *, struct opj_stream_private *, struct opj_event_mgr * )) opj_jp2_encode; l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) ( void *, struct opj_stream_private *, struct opj_event_mgr *)) opj_jp2_end_compress; l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *, struct opj_stream_private *, struct opj_image * , struct opj_event_mgr *)) opj_jp2_start_compress; l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) opj_jp2_write_tile; l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_jp2_destroy; l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL (*) ( void *, opj_cparameters_t *, struct opj_image *, struct opj_event_mgr * )) opj_jp2_setup_encoder; l_codec->m_codec = opj_jp2_create(OPJ_FALSE); if (! l_codec->m_codec) { opj_free(l_codec); return 00; } break; case OPJ_CODEC_UNKNOWN: case OPJ_CODEC_JPT: default: opj_free(l_codec); return 00; } opj_set_default_event_handler(&(l_codec->m_event_mgr)); return (opj_codec_t*) l_codec; } void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) { if(parameters) { memset(parameters, 0, sizeof(opj_cparameters_t)); /* default coding parameters */ parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */ parameters->rsiz = OPJ_PROFILE_NONE; parameters->max_comp_size = 0; parameters->numresolution = 6; parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */ parameters->cblockw_init = 64; parameters->cblockh_init = 64; parameters->prog_order = OPJ_LRCP; parameters->roi_compno = -1; /* no ROI */ parameters->subsampling_dx = 1; parameters->subsampling_dy = 1; parameters->tp_on = 0; parameters->decod_format = -1; parameters->cod_format = -1; parameters->tcp_rates[0] = 0; parameters->tcp_numlayers = 0; parameters->cp_disto_alloc = 0; parameters->cp_fixed_alloc = 0; parameters->cp_fixed_quality = 0; parameters->jpip_on = OPJ_FALSE; /* UniPG>> */ #ifdef USE_JPWL parameters->jpwl_epc_on = OPJ_FALSE; parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */ { int i; for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */ parameters->jpwl_hprot_TPH[i] = 0; /* absent */ } }; { int i; for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) { parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */ parameters->jpwl_pprot_packno[i] = -1; /* unassigned */ parameters->jpwl_pprot[i] = 0; /* absent */ } }; parameters->jpwl_sens_size = 0; /* 0 means no ESD */ parameters->jpwl_sens_addr = 0; /* 0 means auto */ parameters->jpwl_sens_range = 0; /* 0 means packet */ parameters->jpwl_sens_MH = -1; /* -1 means unassigned */ { int i; for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */ parameters->jpwl_sens_TPH[i] = -1; /* absent */ } }; #endif /* USE_JPWL */ /* <<UniPG */ } } OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec, opj_cparameters_t *parameters, opj_image_t *p_image) { if (p_codec && parameters && p_image) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if (! l_codec->is_decompressor) { l_codec->m_codec_data.m_compression.opj_setup_encoder( l_codec->m_codec, parameters, p_image, &(l_codec->m_event_mgr) ); return OPJ_TRUE; } } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_start_compress ( opj_codec_t *p_codec, opj_image_t * p_image, opj_stream_t *p_stream) { if (p_codec && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return l_codec->m_codec_data.m_compression.opj_start_compress( l_codec->m_codec, l_stream, p_image, &(l_codec->m_event_mgr)); } } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream) { if (p_info && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return l_codec->m_codec_data.m_compression.opj_encode( l_codec->m_codec, l_stream, &(l_codec->m_event_mgr)); } } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec, opj_stream_t *p_stream) { if (p_codec && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec, l_stream, &(l_codec->m_event_mgr)); } } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_end_decompress ( opj_codec_t *p_codec, opj_stream_t *p_stream) { if (p_codec && p_stream) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (! l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec, l_stream, &(l_codec->m_event_mgr) ); } return OPJ_FALSE; } OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters, OPJ_FLOAT32 * pEncodingMatrix, OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp) { OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32); OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32); OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size; /* add MCT capability */ if (OPJ_IS_PART2(parameters->rsiz)) { parameters->rsiz |= OPJ_EXTENSION_MCT; } else { parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT)); } parameters->irreversible = 1; /* use array based MCT */ parameters->tcp_mct = 2; parameters->mct_data = opj_malloc(l_mct_total_size); if (! parameters->mct_data) { return OPJ_FALSE; } memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size); memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size,p_dc_shift,l_dc_shift_size); return OPJ_TRUE; } OPJ_BOOL OPJ_CALLCONV opj_write_tile ( opj_codec_t *p_codec, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, opj_stream_t *p_stream ) { if (p_codec && p_stream && p_data) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream; if (l_codec->is_decompressor) { return OPJ_FALSE; } return l_codec->m_codec_data.m_compression.opj_write_tile( l_codec->m_codec, p_tile_index, p_data, p_data_size, l_stream, &(l_codec->m_event_mgr) ); } return OPJ_FALSE; } /* ---------------------------------------------------------------------- */ void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec) { if (p_codec) { opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; if (l_codec->is_decompressor) { l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec); } else { l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec); } l_codec->m_codec = 00; opj_free(l_codec); } } /* ---------------------------------------------------------------------- */ void OPJ_CALLCONV opj_dump_codec( opj_codec_t *p_codec, OPJ_INT32 info_flag, FILE* output_stream) { if (p_codec) { opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec; l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream); return; } fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n"); return; } opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec) { if (p_codec) { opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec; return l_codec->opj_get_codec_info(l_codec->m_codec); } return NULL; } void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info) { if (cstr_info) { if ((*cstr_info)->m_default_tile_info.tccp_info){ opj_free((*cstr_info)->m_default_tile_info.tccp_info); } if ((*cstr_info)->tile_info){ /* FIXME not used for the moment*/ } opj_free((*cstr_info)); (*cstr_info) = NULL; } } opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec) { if (p_codec) { opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec; return l_codec->opj_get_codec_index(l_codec->m_codec); } return NULL; } void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index) { if (*p_cstr_index){ j2k_destroy_cstr_index(*p_cstr_index); (*p_cstr_index) = NULL; } } opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (const char *fname, OPJ_BOOL p_is_read_stream) { return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE, p_is_read_stream); } opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream ( const char *fname, OPJ_SIZE_T p_size, OPJ_BOOL p_is_read_stream) { opj_stream_t* l_stream = 00; FILE *p_file; const char *mode; if (! fname) { return NULL; } if(p_is_read_stream) mode = "rb"; else mode = "wb"; p_file = fopen(fname, mode); if (! p_file) { return NULL; } l_stream = opj_stream_create(p_size,p_is_read_stream); if (! l_stream) { fclose(p_file); return NULL; } opj_stream_set_user_data(l_stream, p_file, (opj_stream_free_user_data_fn) fclose); opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file)); opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file); opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file); opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file); opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file); return l_stream; }