1/*
2 * MPEG2 transport stream defines
3 * Copyright (c) 2003 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_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
61typedef struct MpegTSContext MpegTSContext;
62
63MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s);
64int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
65                           const uint8_t *buf, int len);
66void ff_mpegts_parse_close(MpegTSContext *ts);
67
68typedef struct {
69    int use_au_start;
70    int use_au_end;
71    int use_rand_acc_pt;
72    int use_padding;
73    int use_timestamps;
74    int use_idle;
75    int timestamp_res;
76    int timestamp_len;
77    int ocr_len;
78    int au_len;
79    int inst_bitrate_len;
80    int degr_prior_len;
81    int au_seq_num_len;
82    int packet_seq_num_len;
83} SLConfigDescr;
84
85typedef struct {
86    int es_id;
87    int dec_config_descr_len;
88    uint8_t *dec_config_descr;
89    SLConfigDescr sl;
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 * @param mp4_dec_config_descr_len  Length of 'mp4_dec_config_descr', or zero if not present
100 * @param mp4_es_id
101 * @param pid
102 * @param mp4_dec_config_descr
103 * @return <0 to stop processing
104 */
105int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
106                              const uint8_t **pp, const uint8_t *desc_list_end,
107                              Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
108                              MpegTSContext *ts);
109
110#endif /* AVFORMAT_MPEGTS_H */
111