init - 初始化项目
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Lee Nony
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3rdparty/openjpeg/openjp2/t2.h
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3rdparty/openjpeg/openjp2/t2.h
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/*
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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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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux
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* Copyright (c) 2003-2014, Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
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* Copyright (c) 2012, CS Systemes d'Information, France
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* Copyright (c) 2017, IntoPIX SA <support@intopix.com>
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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_T2_H
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#define OPJ_T2_H
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/**
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@file t2.h
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@brief Implementation of a tier-2 coding (packetization of code-block data) (T2)
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*/
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/** @defgroup T2 T2 - Implementation of a tier-2 coding */
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/*@{*/
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/**
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Tier-2 coding
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*/
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typedef struct opj_t2 {
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/** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
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opj_image_t *image;
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/** pointer to the image coding parameters */
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opj_cp_t *cp;
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} opj_t2_t;
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/** @name Exported functions */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Encode the packets of a tile to a destination buffer
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@param t2 T2 handle
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@param tileno number of the tile encoded
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@param tile the tile for which to write the packets
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@param maxlayers maximum number of layers
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@param dest the destination buffer
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@param p_data_written FIXME DOC
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@param len the length of the destination buffer
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@param cstr_info Codestream information structure
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@param p_marker_info Marker information structure
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@param tpnum Tile part number of the current tile
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@param tppos The position of the tile part flag in the progression order
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@param pino FIXME DOC
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@param t2_mode If == THRESH_CALC In Threshold calculation ,If == FINAL_PASS Final pass
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@param p_manager the user event manager
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*/
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OPJ_BOOL opj_t2_encode_packets(opj_t2_t* t2,
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OPJ_UINT32 tileno,
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opj_tcd_tile_t *tile,
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OPJ_UINT32 maxlayers,
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OPJ_BYTE *dest,
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OPJ_UINT32 * p_data_written,
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OPJ_UINT32 len,
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opj_codestream_info_t *cstr_info,
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opj_tcd_marker_info_t* p_marker_info,
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OPJ_UINT32 tpnum,
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OPJ_INT32 tppos,
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OPJ_UINT32 pino,
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J2K_T2_MODE t2_mode,
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opj_event_mgr_t *p_manager);
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/**
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Decode the packets of a tile from a source buffer
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@param tcd TCD handle
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@param t2 T2 handle
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@param tileno number that identifies the tile for which to decode the packets
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@param tile tile for which to decode the packets
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@param src FIXME DOC
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@param p_data_read the source buffer
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@param len length of the source buffer
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@param cstr_info FIXME DOC
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@param p_manager the user event manager
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@return FIXME DOC
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*/
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OPJ_BOOL opj_t2_decode_packets(opj_tcd_t* tcd,
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opj_t2_t *t2,
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OPJ_UINT32 tileno,
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opj_tcd_tile_t *tile,
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OPJ_BYTE *src,
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OPJ_UINT32 * p_data_read,
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OPJ_UINT32 len,
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opj_codestream_index_t *cstr_info,
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opj_event_mgr_t *p_manager);
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/**
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* Creates a Tier 2 handle
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*
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* @param p_image Source or destination image
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* @param p_cp Image coding parameters.
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* @return a new T2 handle if successful, NULL otherwise.
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*/
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opj_t2_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp);
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/**
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Destroy a T2 handle
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@param t2 T2 handle to destroy
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*/
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void opj_t2_destroy(opj_t2_t *t2);
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/* ----------------------------------------------------------------------- */
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/*@}*/
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/*@}*/
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#endif /* OPJ_T2_H */
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