Imported Debian version 2.5.2~trusty
[deb_ffmpeg.git] / ffmpeg / libavformat / mpeg.h
... / ...
CommitLineData
1/*
2 * MPEG1/2 muxer and demuxer common defines
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#ifndef AVFORMAT_MPEG_H
23#define AVFORMAT_MPEG_H
24
25#include <stdint.h>
26#include "libavutil/intreadwrite.h"
27
28#define PACK_START_CODE ((unsigned int)0x000001ba)
29#define SYSTEM_HEADER_START_CODE ((unsigned int)0x000001bb)
30#define SEQUENCE_END_CODE ((unsigned int)0x000001b7)
31#define PACKET_START_CODE_MASK ((unsigned int)0xffffff00)
32#define PACKET_START_CODE_PREFIX ((unsigned int)0x00000100)
33#define ISO_11172_END_CODE ((unsigned int)0x000001b9)
34
35/* mpeg2 */
36#define PROGRAM_STREAM_MAP 0x1bc
37#define PRIVATE_STREAM_1 0x1bd
38#define PADDING_STREAM 0x1be
39#define PRIVATE_STREAM_2 0x1bf
40
41#define AUDIO_ID 0xc0
42#define VIDEO_ID 0xe0
43#define H264_ID 0xe2
44#define AC3_ID 0x80
45#define DTS_ID 0x88
46#define LPCM_ID 0xa0
47#define SUB_ID 0x20
48
49#define STREAM_TYPE_VIDEO_MPEG1 0x01
50#define STREAM_TYPE_VIDEO_MPEG2 0x02
51#define STREAM_TYPE_AUDIO_MPEG1 0x03
52#define STREAM_TYPE_AUDIO_MPEG2 0x04
53#define STREAM_TYPE_PRIVATE_SECTION 0x05
54#define STREAM_TYPE_PRIVATE_DATA 0x06
55#define STREAM_TYPE_AUDIO_AAC 0x0f
56#define STREAM_TYPE_VIDEO_MPEG4 0x10
57#define STREAM_TYPE_VIDEO_H264 0x1b
58#define STREAM_TYPE_VIDEO_CAVS 0x42
59
60#define STREAM_TYPE_AUDIO_AC3 0x81
61
62static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };
63
64/**
65 * Parse MPEG-PES five-byte timestamp
66 */
67static inline int64_t ff_parse_pes_pts(const uint8_t *buf) {
68 return (int64_t)(*buf & 0x0e) << 29 |
69 (AV_RB16(buf+1) >> 1) << 15 |
70 AV_RB16(buf+3) >> 1;
71}
72
73#endif /* AVFORMAT_MPEG_H */