File: dirac_header.h

package info (click to toggle)
gmerlin-avdecoder 2.0.0~svn6298~dfsg0-5
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 6,240 kB
  • sloc: ansic: 94,582; makefile: 709; sh: 705; awk: 43; sed: 16
file content (76 lines) | stat: -rw-r--r-- 2,345 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/*****************************************************************
 * gmerlin-avdecoder - a general purpose multimedia decoding library
 *
 * Copyright (c) 2001 - 2012 Members of the Gmerlin project
 * gmerlin-general@lists.sourceforge.net
 * http://gmerlin.sourceforge.net
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * *****************************************************************/

#define DIRAC_CODE_SEQUENCE 1
#define DIRAC_CODE_PICTURE  2
#define DIRAC_CODE_END      3
#define DIRAC_CODE_ERROR    -1 // Lost sync
#define DIRAC_CODE_OTHER    0 // Something else

/* Bytes needed for gettin the parse info */
#define DIRAC_PARSE_SIZE    9

int bgav_dirac_get_code(uint8_t * data, int len, int * size);

typedef struct
  {
  int version_major;
  int version_minor;
  int profile;
  int level;
  int base_video_format;

  int width;
  int height;

  int timescale;
  int frame_duration;

  int pixel_width;
  int pixel_height;

  int source_sampling; // 1 = interlaced
  int top_first;
  
  /*
   *  If the picture coding mode value is 1 then pictures
   *  shall correspond to fields. If it is 0 then pictures shall
   *  correspond to frames
   */
  
  int picture_coding_mode;
  } bgav_dirac_sequence_header_t;

int bgav_dirac_sequence_header_parse(bgav_dirac_sequence_header_t *,
                                     const uint8_t * buffer, int len);

void bgav_dirac_sequence_header_dump(const bgav_dirac_sequence_header_t *);

typedef struct
  {
  uint32_t pic_num;
  int num_refs;
  } bgav_dirac_picture_header_t;

int bgav_dirac_picture_header_parse(bgav_dirac_picture_header_t *,
                                    const uint8_t * buffer, int len);

void bgav_dirac_picture_header_dump(const bgav_dirac_picture_header_t *);