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mpegts.h
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1 /*
2  * MPEG2 transport stream defines
3  * Copyright (c) 2003 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_MPEGTS_H
23 #define AVFORMAT_MPEGTS_H
24 
25 #include "avformat.h"
26 
27 #define TS_FEC_PACKET_SIZE 204
28 #define TS_DVHS_PACKET_SIZE 192
29 #define TS_PACKET_SIZE 188
30 #define TS_MAX_PACKET_SIZE 204
31 
32 #define NB_PID_MAX 8192
33 #define MAX_SECTION_SIZE 4096
34 
35 /* pids */
36 #define PAT_PID 0x0000
37 #define SDT_PID 0x0011
38 
39 /* table ids */
40 #define PAT_TID 0x00
41 #define PMT_TID 0x02
42 #define M4OD_TID 0x05
43 #define SDT_TID 0x42
44 
45 #define STREAM_TYPE_VIDEO_MPEG1 0x01
46 #define STREAM_TYPE_VIDEO_MPEG2 0x02
47 #define STREAM_TYPE_AUDIO_MPEG1 0x03
48 #define STREAM_TYPE_AUDIO_MPEG2 0x04
49 #define STREAM_TYPE_PRIVATE_SECTION 0x05
50 #define STREAM_TYPE_PRIVATE_DATA 0x06
51 #define STREAM_TYPE_AUDIO_AAC 0x0f
52 #define STREAM_TYPE_AUDIO_AAC_LATM 0x11
53 #define STREAM_TYPE_VIDEO_MPEG4 0x10
54 #define STREAM_TYPE_VIDEO_H264 0x1b
55 #define STREAM_TYPE_VIDEO_VC1 0xea
56 #define STREAM_TYPE_VIDEO_DIRAC 0xd1
57 
58 #define STREAM_TYPE_AUDIO_AC3 0x81
59 #define STREAM_TYPE_AUDIO_DTS 0x8a
60 
61 typedef struct MpegTSContext MpegTSContext;
62 
65  const uint8_t *buf, int len);
67 
68 typedef struct SLConfigDescr {
74  int use_idle;
77  int ocr_len;
78  int au_len;
84 
85 typedef struct Mp4Descr {
86  int es_id;
90 } Mp4Descr;
91 
92 /**
93  * Parse an MPEG-2 descriptor
94  * @param[in] fc Format context (used for logging only)
95  * @param st Stream
96  * @param stream_type STREAM_TYPE_xxx
97  * @param pp Descriptor buffer pointer
98  * @param desc_list_end End of buffer
99  * @return <0 to stop processing
100  */
101 int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
102  const uint8_t **pp, const uint8_t *desc_list_end,
103  Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
104  MpegTSContext *ts);
105 
106 #endif /* AVFORMAT_MPEGTS_H */