/* * 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 * 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. */ #ifndef OPJ_CODEC_H #define OPJ_CODEC_H /** @file opj_codec.h */ /** * Main codec handler used for compression or decompression. */ typedef struct opj_codec_private { /** FIXME DOC */ union { /** * Decompression handler. */ struct opj_decompression { /** Main header reading function handler */ OPJ_BOOL(*opj_read_header)(struct opj_stream_private * cio, void * p_codec, opj_image_t **p_image, struct opj_event_mgr * p_manager); /** Decoding function */ OPJ_BOOL(*opj_decode)(void * p_codec, struct opj_stream_private * p_cio, opj_image_t * p_image, struct opj_event_mgr * p_manager); /** FIXME DOC */ OPJ_BOOL(*opj_read_tile_header)(void * p_codec, 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, struct opj_stream_private * p_cio, struct opj_event_mgr * p_manager); /** FIXME DOC */ OPJ_BOOL(*opj_decode_tile_data)(void * p_codec, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, struct opj_stream_private * p_cio, struct opj_event_mgr * p_manager); /** Reading function used after codestream if necessary */ OPJ_BOOL(* opj_end_decompress)(void *p_codec, struct opj_stream_private * cio, struct opj_event_mgr * p_manager); /** Codec destroy function handler */ void (*opj_destroy)(void * p_codec); /** Setup decoder function handler */ void (*opj_setup_decoder)(void * p_codec, opj_dparameters_t * p_param); /** Strict mode function handler */ void (*opj_decoder_set_strict_mode)(void * p_codec, OPJ_BOOL strict); /** Set decode area function handler */ OPJ_BOOL(*opj_set_decode_area)(void * p_codec, opj_image_t * p_image, OPJ_INT32 p_start_x, OPJ_INT32 p_end_x, OPJ_INT32 p_start_y, OPJ_INT32 p_end_y, struct opj_event_mgr * p_manager); /** Get tile function */ OPJ_BOOL(*opj_get_decoded_tile)(void *p_codec, opj_stream_private_t * p_cio, opj_image_t *p_image, struct opj_event_mgr * p_manager, OPJ_UINT32 tile_index); /** Set the decoded resolution factor */ OPJ_BOOL(*opj_set_decoded_resolution_factor)(void * p_codec, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager); /** Set the decoded components */ OPJ_BOOL(*opj_set_decoded_components)(void * p_codec, OPJ_UINT32 num_comps, const OPJ_UINT32* comps_indices, opj_event_mgr_t * p_manager); } m_decompression; /** * Compression handler. FIXME DOC */ struct opj_compression { OPJ_BOOL(* opj_start_compress)(void *p_codec, struct opj_stream_private * cio, struct opj_image * p_image, struct opj_event_mgr * p_manager); OPJ_BOOL(* opj_encode)(void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager); OPJ_BOOL(* opj_write_tile)(void * p_codec, OPJ_UINT32 p_tile_index, OPJ_BYTE * p_data, OPJ_UINT32 p_data_size, struct opj_stream_private * p_cio, struct opj_event_mgr * p_manager); OPJ_BOOL(* opj_end_compress)(void * p_codec, struct opj_stream_private * p_cio, struct opj_event_mgr * p_manager); void (* opj_destroy)(void * p_codec); OPJ_BOOL(* opj_setup_encoder)(void * p_codec, opj_cparameters_t * p_param, struct opj_image * p_image, struct opj_event_mgr * p_manager); OPJ_BOOL(* opj_encoder_set_extra_options)(void * p_codec, const char* const* p_options, struct opj_event_mgr * p_manager); } m_compression; } m_codec_data; /** FIXME DOC*/ void * m_codec; /** Event handler */ opj_event_mgr_t m_event_mgr; /** Flag to indicate if the codec is used to decode or encode*/ OPJ_BOOL is_decompressor; void (*opj_dump_codec)(void * p_codec, OPJ_INT32 info_flag, FILE* output_stream); opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec); opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec); /** Set number of threads */ OPJ_BOOL(*opj_set_threads)(void * p_codec, OPJ_UINT32 num_threads); } opj_codec_private_t; #endif /* OPJ_CODEC_H */