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- https://github.com/uclouvain/openjpeg/releases/tag/v2.3.1 - src/lib/openjp2 - readme files
172 lines
7.8 KiB
C
172 lines
7.8 KiB
C
/*
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* The copyright in this software is being made available under the 2-clauses
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* BSD License, included below. This software may be subject to other third
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* party and contributor rights, including patent rights, and no such rights
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* are granted under this license.
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*
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, Professor Benoit Macq
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef OPJ_CODEC_H
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#define OPJ_CODEC_H
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/**
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@file opj_codec.h
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*/
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/**
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* Main codec handler used for compression or decompression.
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*/
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typedef struct opj_codec_private {
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/** FIXME DOC */
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union {
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/**
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* Decompression handler.
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*/
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struct opj_decompression {
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/** Main header reading function handler */
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OPJ_BOOL(*opj_read_header)(struct opj_stream_private * cio,
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void * p_codec,
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opj_image_t **p_image,
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struct opj_event_mgr * p_manager);
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/** Decoding function */
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OPJ_BOOL(*opj_decode)(void * p_codec,
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struct opj_stream_private * p_cio,
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opj_image_t * p_image,
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struct opj_event_mgr * p_manager);
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/** FIXME DOC */
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OPJ_BOOL(*opj_read_tile_header)(void * p_codec,
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OPJ_UINT32 * p_tile_index,
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OPJ_UINT32 * p_data_size,
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OPJ_INT32 * p_tile_x0,
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OPJ_INT32 * p_tile_y0,
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OPJ_INT32 * p_tile_x1,
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OPJ_INT32 * p_tile_y1,
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OPJ_UINT32 * p_nb_comps,
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OPJ_BOOL * p_should_go_on,
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struct opj_stream_private * p_cio,
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struct opj_event_mgr * p_manager);
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/** FIXME DOC */
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OPJ_BOOL(*opj_decode_tile_data)(void * p_codec,
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OPJ_UINT32 p_tile_index,
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OPJ_BYTE * p_data,
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OPJ_UINT32 p_data_size,
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struct opj_stream_private * p_cio,
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struct opj_event_mgr * p_manager);
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/** Reading function used after codestream if necessary */
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OPJ_BOOL(* opj_end_decompress)(void *p_codec,
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struct opj_stream_private * cio,
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struct opj_event_mgr * p_manager);
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/** Codec destroy function handler */
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void (*opj_destroy)(void * p_codec);
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/** Setup decoder function handler */
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void (*opj_setup_decoder)(void * p_codec, opj_dparameters_t * p_param);
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/** Set decode area function handler */
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OPJ_BOOL(*opj_set_decode_area)(void * p_codec,
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opj_image_t * p_image,
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OPJ_INT32 p_start_x,
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OPJ_INT32 p_end_x,
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OPJ_INT32 p_start_y,
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OPJ_INT32 p_end_y,
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struct opj_event_mgr * p_manager);
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/** Get tile function */
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OPJ_BOOL(*opj_get_decoded_tile)(void *p_codec,
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opj_stream_private_t * p_cio,
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opj_image_t *p_image,
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struct opj_event_mgr * p_manager,
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OPJ_UINT32 tile_index);
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/** Set the decoded resolution factor */
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OPJ_BOOL(*opj_set_decoded_resolution_factor)(void * p_codec,
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OPJ_UINT32 res_factor,
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opj_event_mgr_t * p_manager);
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/** Set the decoded components */
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OPJ_BOOL(*opj_set_decoded_components)(void * p_codec,
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OPJ_UINT32 num_comps,
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const OPJ_UINT32* comps_indices,
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opj_event_mgr_t * p_manager);
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} m_decompression;
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/**
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* Compression handler. FIXME DOC
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*/
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struct opj_compression {
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OPJ_BOOL(* opj_start_compress)(void *p_codec,
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struct opj_stream_private * cio,
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struct opj_image * p_image,
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struct opj_event_mgr * p_manager);
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OPJ_BOOL(* opj_encode)(void * p_codec,
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struct opj_stream_private *p_cio,
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struct opj_event_mgr * p_manager);
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OPJ_BOOL(* opj_write_tile)(void * p_codec,
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OPJ_UINT32 p_tile_index,
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OPJ_BYTE * p_data,
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OPJ_UINT32 p_data_size,
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struct opj_stream_private * p_cio,
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struct opj_event_mgr * p_manager);
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OPJ_BOOL(* opj_end_compress)(void * p_codec,
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struct opj_stream_private * p_cio,
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struct opj_event_mgr * p_manager);
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void (* opj_destroy)(void * p_codec);
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OPJ_BOOL(* opj_setup_encoder)(void * p_codec,
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opj_cparameters_t * p_param,
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struct opj_image * p_image,
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struct opj_event_mgr * p_manager);
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} m_compression;
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} m_codec_data;
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/** FIXME DOC*/
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void * m_codec;
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/** Event handler */
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opj_event_mgr_t m_event_mgr;
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/** Flag to indicate if the codec is used to decode or encode*/
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OPJ_BOOL is_decompressor;
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void (*opj_dump_codec)(void * p_codec, OPJ_INT32 info_flag,
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FILE* output_stream);
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opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
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opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
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/** Set number of threads */
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OPJ_BOOL(*opj_set_threads)(void * p_codec, OPJ_UINT32 num_threads);
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}
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opj_codec_private_t;
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#endif /* OPJ_CODEC_H */
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