path: root/libavformat/mpegts.h (plain)
blob: 272e2be4f7b10062c99f44de3cf4595956502b9c

1	/*
2	* MPEG-2 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_METADATA 0x15
55	#define STREAM_TYPE_VIDEO_H264 0x1b
56	#define STREAM_TYPE_VIDEO_HEVC 0x24
57	#define STREAM_TYPE_VIDEO_CAVS 0x42
58	#define STREAM_TYPE_VIDEO_VC1 0xea
59	#define STREAM_TYPE_VIDEO_DIRAC 0xd1
60
61	#define STREAM_TYPE_AUDIO_AC3 0x81
62	#define STREAM_TYPE_AUDIO_DTS 0x82
63	#define STREAM_TYPE_AUDIO_TRUEHD 0x83
64	#define STREAM_TYPE_AUDIO_EAC3 0x87
65
66	typedef struct MpegTSContext MpegTSContext;
67
68	MpegTSContext *avpriv_mpegts_parse_open(AVFormatContext *s);
69	int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
70	const uint8_t *buf, int len);
71	void avpriv_mpegts_parse_close(MpegTSContext *ts);
72
73	typedef struct SLConfigDescr {
74	int use_au_start;
75	int use_au_end;
76	int use_rand_acc_pt;
77	int use_padding;
78	int use_timestamps;
79	int use_idle;
80	int timestamp_res;
81	int timestamp_len;
82	int ocr_len;
83	int au_len;
84	int inst_bitrate_len;
85	int degr_prior_len;
86	int au_seq_num_len;
87	int packet_seq_num_len;
88	} SLConfigDescr;
89
90	typedef struct Mp4Descr {
91	int es_id;
92	int dec_config_descr_len;
93	uint8_t *dec_config_descr;
94	SLConfigDescr sl;
95	} Mp4Descr;
96
97	/**
98	* Parse an MPEG-2 descriptor
99	* @param[in] fc Format context (used for logging only)
100	* @param st Stream
101	* @param stream_type STREAM_TYPE_xxx
102	* @param pp Descriptor buffer pointer
103	* @param desc_list_end End of buffer
104	* @return <0 to stop processing
105	*/
106	int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
107	const uint8_t **pp, const uint8_t *desc_list_end,
108	Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
109	MpegTSContext *ts);
110
111	/**
112	* Check presence of H264 startcode
113	* @return <0 to stop processing
114	*/
115	int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt);
116
117	#endif /* AVFORMAT_MPEGTS_H */
118