2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2002-2003, Yannick Verschueren
5 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
34 @brief JPT-stream reader (JPEG 2000, JPIP)
36 JPT-stream functions are implemented in J2K.C.
40 Message Header JPT stream structure
42 typedef struct opj_jpt_msg_header {
43 /** In-class Identifier */
45 /** Last byte information */
46 unsigned int last_byte;
47 /** Class Identifier */
48 unsigned int Class_Id;
49 /** CSn : index identifier */
52 unsigned int Msg_offset;
54 unsigned int Msg_length;
55 /** Auxiliary for JPP case */
56 unsigned int Layer_nb;
57 } opj_jpt_msg_header_t;
59 /* ----------------------------------------------------------------------- */
62 Initialize the value of the message header structure
63 @param header Message header structure
65 void jpt_init_msg_header(opj_jpt_msg_header_t * header);
68 Read the message header for a JPP/JPT - stream
69 @param cinfo Codec context info
71 @param header Message header structure
73 void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header);