| /* |
| * 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, |
| void * p_user_data) |
| { |
| FILE* p_file = (FILE*)p_user_data; |
| OPJ_SIZE_T l_nb_read = fread(p_buffer, 1, p_nb_bytes, (FILE*)p_file); |
| return l_nb_read ? l_nb_read : (OPJ_SIZE_T) - 1; |
| } |
| |
| static OPJ_UINT64 opj_get_data_length_from_file(void * p_user_data) |
| { |
| FILE* p_file = (FILE*)p_user_data; |
| 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, |
| void * p_user_data) |
| { |
| FILE* p_file = (FILE*)p_user_data; |
| return fwrite(p_buffer, 1, p_nb_bytes, p_file); |
| } |
| |
| static OPJ_OFF_T opj_skip_from_file(OPJ_OFF_T p_nb_bytes, void * p_user_data) |
| { |
| FILE* p_file = (FILE*)p_user_data; |
| if (OPJ_FSEEK(p_file, p_nb_bytes, SEEK_CUR)) { |
| return -1; |
| } |
| |
| return p_nb_bytes; |
| } |
| |
| static OPJ_BOOL opj_seek_from_file(OPJ_OFF_T p_nb_bytes, void * p_user_data) |
| { |
| FILE* p_file = (FILE*)p_user_data; |
| if (OPJ_FSEEK(p_file, p_nb_bytes, SEEK_SET)) { |
| return OPJ_FALSE; |
| } |
| |
| return OPJ_TRUE; |
| } |
| |
| static void opj_close_from_file(void* p_user_data) |
| { |
| FILE* p_file = (FILE*)p_user_data; |
| fclose(p_file); |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| #ifdef _WIN32 |
| #ifndef OPJ_STATIC |
| |
| /* declaration to avoid warning: no previous prototype for 'DllMain' */ |
| BOOL APIENTRY |
| DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved); |
| |
| 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 = j2k_dump; |
| |
| l_codec->opj_get_codec_info = j2k_get_cstr_info; |
| |
| l_codec->opj_get_codec_index = j2k_get_cstr_index; |
| |
| l_codec->m_codec_data.m_decompression.opj_decode = opj_j2k_decode; |
| |
| l_codec->m_codec_data.m_decompression.opj_end_decompress = |
| opj_j2k_end_decompress; |
| |
| l_codec->m_codec_data.m_decompression.opj_read_header = |
| opj_j2k_read_header; |
| |
| l_codec->m_codec_data.m_decompression.opj_destroy = opj_j2k_destroy; |
| |
| l_codec->m_codec_data.m_decompression.opj_setup_decoder = |
| opj_j2k_setup_decoder; |
| |
| l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode = |
| opj_j2k_decoder_set_strict_mode; |
| |
| |
| l_codec->m_codec_data.m_decompression.opj_read_tile_header = |
| opj_j2k_read_tile_header; |
| |
| l_codec->m_codec_data.m_decompression.opj_decode_tile_data = |
| opj_j2k_decode_tile; |
| |
| l_codec->m_codec_data.m_decompression.opj_set_decode_area = |
| opj_j2k_set_decode_area; |
| |
| l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = |
| opj_j2k_get_tile; |
| |
| l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = |
| opj_j2k_set_decoded_resolution_factor; |
| |
| l_codec->m_codec_data.m_decompression.opj_set_decoded_components = |
| opj_j2k_set_decoded_components; |
| |
| l_codec->opj_set_threads = opj_j2k_set_threads; |
| |
| 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 = jp2_dump; |
| |
| l_codec->opj_get_codec_info = jp2_get_cstr_info; |
| |
| l_codec->opj_get_codec_index = jp2_get_cstr_index; |
| |
| l_codec->m_codec_data.m_decompression.opj_decode = opj_jp2_decode; |
| |
| l_codec->m_codec_data.m_decompression.opj_end_decompress = |
| opj_jp2_end_decompress; |
| |
| l_codec->m_codec_data.m_decompression.opj_read_header = |
| opj_jp2_read_header; |
| |
| l_codec->m_codec_data.m_decompression.opj_read_tile_header = |
| opj_jp2_read_tile_header; |
| |
| l_codec->m_codec_data.m_decompression.opj_decode_tile_data = |
| opj_jp2_decode_tile; |
| |
| l_codec->m_codec_data.m_decompression.opj_destroy = opj_jp2_destroy; |
| |
| l_codec->m_codec_data.m_decompression.opj_setup_decoder = |
| opj_jp2_setup_decoder; |
| |
| l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode = |
| opj_jp2_decoder_set_strict_mode; |
| |
| l_codec->m_codec_data.m_decompression.opj_set_decode_area = |
| opj_jp2_set_decode_area; |
| |
| l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = |
| opj_jp2_get_tile; |
| |
| l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = |
| opj_jp2_set_decoded_resolution_factor; |
| |
| l_codec->m_codec_data.m_decompression.opj_set_decoded_components = |
| opj_jp2_set_decoded_components; |
| |
| l_codec->opj_set_threads = opj_jp2_set_threads; |
| |
| 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_codec_set_threads(opj_codec_t *p_codec, |
| int num_threads) |
| { |
| if (p_codec && (num_threads >= 0)) { |
| opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; |
| |
| return l_codec->opj_set_threads(l_codec->m_codec, (OPJ_UINT32)num_threads); |
| } |
| return OPJ_FALSE; |
| } |
| |
| 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_decoder_set_strict_mode(opj_codec_t *p_codec, |
| OPJ_BOOL strict) |
| { |
| if (p_codec) { |
| 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_decoder_set_strict_mode function is not a decompressor handler.\n"); |
| return OPJ_FALSE; |
| } |
| |
| l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode( |
| l_codec->m_codec, |
| strict); |
| 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_set_decoded_components(opj_codec_t *p_codec, |
| OPJ_UINT32 numcomps, |
| const OPJ_UINT32* comps_indices, |
| OPJ_BOOL apply_color_transforms) |
| { |
| if (p_codec) { |
| 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_set_decoded_components function is not a decompressor handler.\n"); |
| return OPJ_FALSE; |
| } |
| |
| if (apply_color_transforms) { |
| opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR, |
| "apply_color_transforms = OPJ_TRUE is not supported.\n"); |
| return OPJ_FALSE; |
| } |
| |
| return l_codec->m_codec_data.m_decompression.opj_set_decoded_components( |
| l_codec->m_codec, |
| numcomps, |
| comps_indices, |
| &(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) { |
| return OPJ_FALSE; |
| } |
| |
| return l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor( |
| l_codec->m_codec, |
| res_factor, |
| &(l_codec->m_event_mgr)); |
| } |
| |
| /* ---------------------------------------------------------------------- */ |
| /* 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_j2k_encode; |
| |
| l_codec->m_codec_data.m_compression.opj_end_compress = |
| opj_j2k_end_compress; |
| |
| l_codec->m_codec_data.m_compression.opj_start_compress = |
| opj_j2k_start_compress; |
| |
| l_codec->m_codec_data.m_compression.opj_write_tile = opj_j2k_write_tile; |
| |
| l_codec->m_codec_data.m_compression.opj_destroy = opj_j2k_destroy; |
| |
| l_codec->m_codec_data.m_compression.opj_setup_encoder = |
| opj_j2k_setup_encoder; |
| |
| l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = |
| opj_j2k_encoder_set_extra_options; |
| |
| l_codec->opj_set_threads = opj_j2k_set_threads; |
| |
| 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_jp2_encode; |
| |
| l_codec->m_codec_data.m_compression.opj_end_compress = |
| opj_jp2_end_compress; |
| |
| l_codec->m_codec_data.m_compression.opj_start_compress = |
| opj_jp2_start_compress; |
| |
| l_codec->m_codec_data.m_compression.opj_write_tile = opj_jp2_write_tile; |
| |
| l_codec->m_codec_data.m_compression.opj_destroy = opj_jp2_destroy; |
| |
| l_codec->m_codec_data.m_compression.opj_setup_encoder = |
| opj_jp2_setup_encoder; |
| |
| l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = |
| opj_jp2_encoder_set_extra_options; |
| |
| l_codec->opj_set_threads = opj_jp2_set_threads; |
| |
| 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 = OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION; |
| parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */ |
| parameters->cblockw_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKW; |
| parameters->cblockh_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKH; |
| parameters->prog_order = OPJ_COMP_PARAM_DEFAULT_PROG_ORDER; |
| 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) { |
| return l_codec->m_codec_data.m_compression.opj_setup_encoder(l_codec->m_codec, |
| parameters, |
| p_image, |
| &(l_codec->m_event_mgr)); |
| } |
| } |
| |
| return OPJ_FALSE; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options(opj_codec_t *p_codec, |
| const char* const* options) |
| { |
| if (p_codec) { |
| opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec; |
| |
| if (! l_codec->is_decompressor) { |
| return l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options( |
| l_codec->m_codec, |
| options, |
| &(l_codec->m_event_mgr)); |
| } |
| } |
| |
| 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; |
| } |
| |
| /* TODO return error */ |
| /* 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_close_from_file); |
| opj_stream_set_user_data_length(l_stream, |
| opj_get_data_length_from_file(p_file)); |
| opj_stream_set_read_function(l_stream, 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_skip_from_file); |
| opj_stream_set_seek_function(l_stream, opj_seek_from_file); |
| |
| return l_stream; |
| } |
| |
| |
| void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size) |
| { |
| void* ret = opj_aligned_malloc(size); |
| /* printf("opj_image_data_alloc %p\n", ret); */ |
| return ret; |
| } |
| |
| void OPJ_CALLCONV opj_image_data_free(void* ptr) |
| { |
| /* printf("opj_image_data_free %p\n", ptr); */ |
| opj_aligned_free(ptr); |
| } |
