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.
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 * All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
43 @brief Implementation of a tier-2 coding (packetization of code-block data) (T2)
47 /** @defgroup T2 T2 - Implementation of a tier-2 coding */
53 typedef struct opj_t2 {
55 /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
57 /** pointer to the image coding parameters */
61 /** @name Exported functions */
63 /* ----------------------------------------------------------------------- */
66 Encode the packets of a tile to a destination buffer
68 @param tileno number of the tile encoded
69 @param tile the tile for which to write the packets
70 @param maxlayers maximum number of layers
71 @param dest the destination buffer
72 @param p_data_written FIXME DOC
73 @param len the length of the destination buffer
74 @param cstr_info Codestream information structure
75 @param tpnum Tile part number of the current tile
76 @param tppos The position of the tile part flag in the progression order
78 @param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
80 OPJ_BOOL opj_t2_encode_packets( opj_t2_t* t2,
85 OPJ_UINT32 * p_data_written,
87 opj_codestream_info_t *cstr_info,
94 Decode the packets of a tile from a source buffer
96 @param tileno number that identifies the tile for which to decode the packets
97 @param tile tile for which to decode the packets
99 @param p_data_read the source buffer
100 @param len length of the source buffer
101 @param cstr_info FIXME DOC
105 OPJ_BOOL opj_t2_decode_packets( opj_t2_t *t2,
107 opj_tcd_tile_t *tile,
109 OPJ_UINT32 * p_data_read,
111 opj_codestream_index_t *cstr_info);
114 * Creates a Tier 2 handle
116 * @param p_image Source or destination image
117 * @param p_cp Image coding parameters.
118 * @return a new T2 handle if successful, NULL otherwise.
120 opj_t2_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp);
124 @param t2 T2 handle to destroy
126 void opj_t2_destroy(opj_t2_t *t2);
128 /* ----------------------------------------------------------------------- */