aarch64: Add assembly support for -fsanitize=hwaddress tagged globals.
[libav.git] / libavformat / mpeg.h
1 /*
2 * MPEG-1/2 muxer and demuxer common defines
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 *
5 * This file is part of Libav.
6 *
7 * Libav 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 * Libav 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 Libav; 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 0x8a
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 #define STREAM_TYPE_AUDIO_DTS 0x8a
62
63 static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 };
64
65 /**
66 * Parse MPEG-PES five-byte timestamp
67 */
68 static inline int64_t ff_parse_pes_pts(const uint8_t *buf) {
69 return (int64_t)(*buf & 0x0e) << 29 |
70 (AV_RB16(buf+1) >> 1) << 15 |
71 AV_RB16(buf+3) >> 1;
72 }
73
74 #endif /* AVFORMAT_MPEG_H */