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/*
* 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 */
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