1 /* 2 * The copyright in this software is being made available under the 2-clauses 3 * BSD License, included below. This software may be subject to other third 4 * party and contributor rights, including patent rights, and no such rights 5 * are granted under this license. 6 * 7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium 8 * Copyright (c) 2002-2014, Professor Benoit Macq 9 * Copyright (c) 2001-2003, David Janssens 10 * Copyright (c) 2002-2003, Yannick Verschueren 11 * Copyright (c) 2003-2007, Francois-Olivier Devaux 12 * Copyright (c) 2003-2014, Antonin Descampe 13 * Copyright (c) 2005, Herve Drolon, FreeImage Team 14 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR 15 * Copyright (c) 2012, CS Systemes d'Information, France 16 * Copyright (c) 2017, IntoPIX SA <support (at) intopix.com> 17 * All rights reserved. 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in the 26 * documentation and/or other materials provided with the distribution. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 #ifndef OPJ_T2_H 41 #define OPJ_T2_H 42 /** 43 @file t2.h 44 @brief Implementation of a tier-2 coding (packetization of code-block data) (T2) 45 46 */ 47 48 /** @defgroup T2 T2 - Implementation of a tier-2 coding */ 49 /*@{*/ 50 51 /** 52 Tier-2 coding 53 */ 54 typedef struct opj_t2 { 55 56 /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */ 57 opj_image_t *image; 58 /** pointer to the image coding parameters */ 59 opj_cp_t *cp; 60 } opj_t2_t; 61 62 /** @name Exported functions */ 63 /*@{*/ 64 /* ----------------------------------------------------------------------- */ 65 66 /** 67 Encode the packets of a tile to a destination buffer 68 @param t2 T2 handle 69 @param tileno number of the tile encoded 70 @param tile the tile for which to write the packets 71 @param maxlayers maximum number of layers 72 @param dest the destination buffer 73 @param p_data_written FIXME DOC 74 @param len the length of the destination buffer 75 @param cstr_info Codestream information structure 76 @param tpnum Tile part number of the current tile 77 @param tppos The position of the tile part flag in the progression order 78 @param pino FIXME DOC 79 @param t2_mode If == THRESH_CALC In Threshold calculation ,If == FINAL_PASS Final pass 80 @param p_manager the user event manager 81 */ 82 OPJ_BOOL opj_t2_encode_packets(opj_t2_t* t2, 83 OPJ_UINT32 tileno, 84 opj_tcd_tile_t *tile, 85 OPJ_UINT32 maxlayers, 86 OPJ_BYTE *dest, 87 OPJ_UINT32 * p_data_written, 88 OPJ_UINT32 len, 89 opj_codestream_info_t *cstr_info, 90 OPJ_UINT32 tpnum, 91 OPJ_INT32 tppos, 92 OPJ_UINT32 pino, 93 J2K_T2_MODE t2_mode, 94 opj_event_mgr_t *p_manager); 95 96 /** 97 Decode the packets of a tile from a source buffer 98 @param tcd TCD handle 99 @param t2 T2 handle 100 @param tileno number that identifies the tile for which to decode the packets 101 @param tile tile for which to decode the packets 102 @param src FIXME DOC 103 @param p_data_read the source buffer 104 @param len length of the source buffer 105 @param cstr_info FIXME DOC 106 @param p_manager the user event manager 107 108 @return FIXME DOC 109 */ 110 OPJ_BOOL opj_t2_decode_packets(opj_tcd_t* tcd, 111 opj_t2_t *t2, 112 OPJ_UINT32 tileno, 113 opj_tcd_tile_t *tile, 114 OPJ_BYTE *src, 115 OPJ_UINT32 * p_data_read, 116 OPJ_UINT32 len, 117 opj_codestream_index_t *cstr_info, 118 opj_event_mgr_t *p_manager); 119 120 /** 121 * Creates a Tier 2 handle 122 * 123 * @param p_image Source or destination image 124 * @param p_cp Image coding parameters. 125 * @return a new T2 handle if successful, NULL otherwise. 126 */ 127 opj_t2_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp); 128 129 /** 130 Destroy a T2 handle 131 @param t2 T2 handle to destroy 132 */ 133 void opj_t2_destroy(opj_t2_t *t2); 134 135 /* ----------------------------------------------------------------------- */ 136 /*@}*/ 137 138 /*@}*/ 139 140 #endif /* OPJ_T2_H */ 141
