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