1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/*
* MPEG-2 transport stream defines
* Copyright (c) 2003 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_MPEGTS_H
#define AVFORMAT_MPEGTS_H
#include "avformat.h"
#define TS_FEC_PACKET_SIZE 204
#define TS_DVHS_PACKET_SIZE 192
#define TS_PACKET_SIZE 188
#define TS_MAX_PACKET_SIZE 204
#define NB_PID_MAX 8192
#define USUAL_SECTION_SIZE 1024 /* except EIT which is limited to 4096 */
#define MAX_SECTION_SIZE 4096
/* pids */
#define PAT_PID 0x0000 /* Program Association Table */
#define CAT_PID 0x0001 /* Conditional Access Table */
#define TSDT_PID 0x0002 /* Transport Stream Description Table */
#define IPMP_PID 0x0003
/* PID from 0x0004 to 0x000F are reserved */
#define NIT_PID 0x0010 /* Network Information Table */
#define SDT_PID 0x0011 /* Service Description Table */
#define BAT_PID 0x0011 /* Bouquet Association Table */
#define EIT_PID 0x0012 /* Event Information Table */
#define RST_PID 0x0013 /* Running Status Table */
#define TDT_PID 0x0014 /* Time and Date Table */
#define TOT_PID 0x0014
#define NET_SYNC_PID 0x0015
#define RNT_PID 0x0016 /* RAR Notification Table */
/* PID from 0x0017 to 0x001B are reserved for future use */
/* PID value 0x001C allocated to link-local inband signalling shall not be
* used on any broadcast signals. It shall only be used between devices in a
* controlled environment. */
#define LINK_LOCAL_PID 0x001C
#define MEASUREMENT_PID 0x001D
#define DIT_PID 0x001E /* Discontinuity Information Table */
#define SIT_PID 0x001F /* Selection Information Table */
/* PID from 0x0020 to 0x1FFA may be assigned as needed to PMT, elementary
* streams and other data tables */
#define FIRST_OTHER_PID 0x0020
#define LAST_OTHER_PID 0x1FFA
/* PID 0x1FFB is used by DigiCipher 2/ATSC MGT metadata */
/* PID from 0x1FFC to 0x1FFE may be assigned as needed to PMT, elementary
* streams and other data tables */
#define NULL_PID 0x1FFF /* Null packet (used for fixed bandwidth padding) */
/* m2ts pids */
#define M2TS_PMT_PID 0x0100
#define M2TS_PCR_PID 0x1001
#define M2TS_VIDEO_PID 0x1011
#define M2TS_AUDIO_START_PID 0x1100
#define M2TS_PGSSUB_START_PID 0x1200
#define M2TS_TEXTSUB_PID 0x1800
#define M2TS_SECONDARY_AUDIO_START_PID 0x1A00
#define M2TS_SECONDARY_VIDEO_START_PID 0x1B00
/* table ids */
#define PAT_TID 0x00 /* Program Association section */
#define CAT_TID 0x01 /* Conditional Access section */
#define PMT_TID 0x02 /* Program Map section */
#define TSDT_TID 0x03 /* Transport Stream Description section */
/* TID from 0x04 to 0x3F are reserved */
#define M4OD_TID 0x05
#define NIT_TID 0x40 /* Network Information section - actual network */
#define ONIT_TID 0x41 /* Network Information section - other network */
#define SDT_TID 0x42 /* Service Description section - actual TS */
/* TID from 0x43 to 0x45 are reserved for future use */
#define OSDT_TID 0x46 /* Service Descrition section - other TS */
/* TID from 0x47 to 0x49 are reserved for future use */
#define BAT_TID 0x4A /* Bouquet Association section */
#define UNT_TID 0x4B /* Update Notification Table section */
#define DFI_TID 0x4C /* Downloadable Font Info section */
/* TID 0x4D is reserved for future use */
#define EIT_TID 0x4E /* Event Information section - actual TS */
#define OEIT_TID 0x4F /* Event Information section - other TS */
#define EITS_START_TID 0x50 /* Event Information section schedule - actual TS */
#define EITS_END_TID 0x5F /* Event Information section schedule - actual TS */
#define OEITS_START_TID 0x60 /* Event Information section schedule - other TS */
#define OEITS_END_TID 0x6F /* Event Information section schedule - other TS */
#define TDT_TID 0x70 /* Time Date section */
#define RST_TID 0x71 /* Running Status section */
#define ST_TID 0x72 /* Stuffing section */
#define TOT_TID 0x73 /* Time Offset section */
#define AIT_TID 0x74 /* Application Inforamtion section */
#define CT_TID 0x75 /* Container section */
#define RCT_TID 0x76 /* Related Content section */
#define CIT_TID 0x77 /* Content Identifier section */
#define MPE_FEC_TID 0x78 /* MPE-FEC section */
#define RPNT_TID 0x79 /* Resolution Provider Notification section */
#define MPE_IFEC_TID 0x7A /* MPE-IFEC section */
#define PROTMT_TID 0x7B /* Protection Message section */
/* TID from 0x7C to 0x7D are reserved for future use */
#define DIT_TID 0x7E /* Discontinuity Information section */
#define SIT_TID 0x7F /* Selection Information section */
/* TID from 0x80 to 0xFE are user defined */
/* TID 0xFF is reserved */
#define STREAM_TYPE_VIDEO_MPEG1 0x01
#define STREAM_TYPE_VIDEO_MPEG2 0x02
#define STREAM_TYPE_AUDIO_MPEG1 0x03
#define STREAM_TYPE_AUDIO_MPEG2 0x04
#define STREAM_TYPE_PRIVATE_SECTION 0x05
#define STREAM_TYPE_PRIVATE_DATA 0x06
#define STREAM_TYPE_AUDIO_AAC 0x0f
#define STREAM_TYPE_AUDIO_AAC_LATM 0x11
#define STREAM_TYPE_VIDEO_MPEG4 0x10
#define STREAM_TYPE_METADATA 0x15
#define STREAM_TYPE_VIDEO_H264 0x1b
#define STREAM_TYPE_VIDEO_HEVC 0x24
#define STREAM_TYPE_VIDEO_VVC 0x33
#define STREAM_TYPE_VIDEO_CAVS 0x42
#define STREAM_TYPE_VIDEO_AVS2 0xd2
#define STREAM_TYPE_VIDEO_AVS3 0xd4
#define STREAM_TYPE_VIDEO_VC1 0xea
#define STREAM_TYPE_VIDEO_DIRAC 0xd1
#define STREAM_TYPE_AUDIO_AC3 0x81
#define STREAM_TYPE_AUDIO_DTS 0x82
#define STREAM_TYPE_AUDIO_TRUEHD 0x83
#define STREAM_TYPE_AUDIO_EAC3 0x87
/* ISO/IEC 13818-1 Table 2-22 */
#define STREAM_ID_PROGRAM_STREAM_MAP 0xbc
#define STREAM_ID_PRIVATE_STREAM_1 0xbd
#define STREAM_ID_PADDING_STREAM 0xbe
#define STREAM_ID_PRIVATE_STREAM_2 0xbf
#define STREAM_ID_AUDIO_STREAM_0 0xc0
#define STREAM_ID_VIDEO_STREAM_0 0xe0
#define STREAM_ID_ECM_STREAM 0xf0
#define STREAM_ID_EMM_STREAM 0xf1
#define STREAM_ID_DSMCC_STREAM 0xf2
#define STREAM_ID_TYPE_E_STREAM 0xf8
#define STREAM_ID_METADATA_STREAM 0xfc
#define STREAM_ID_EXTENDED_STREAM_ID 0xfd
#define STREAM_ID_PROGRAM_STREAM_DIRECTORY 0xff
/* ISO/IEC 13818-1 Table 2-45 */
#define VIDEO_STREAM_DESCRIPTOR 0x02
#define REGISTRATION_DESCRIPTOR 0x05
#define ISO_639_LANGUAGE_DESCRIPTOR 0x0a
#define IOD_DESCRIPTOR 0x1d
#define SL_DESCRIPTOR 0x1e
#define FMC_DESCRIPTOR 0x1f
#define METADATA_DESCRIPTOR 0x26
#define METADATA_STD_DESCRIPTOR 0x27
typedef struct MpegTSContext MpegTSContext;
MpegTSContext *avpriv_mpegts_parse_open(AVFormatContext *s);
int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
const uint8_t *buf, int len);
void avpriv_mpegts_parse_close(MpegTSContext *ts);
typedef struct SLConfigDescr {
int use_au_start;
int use_au_end;
int use_rand_acc_pt;
int use_padding;
int use_timestamps;
int use_idle;
int timestamp_res;
int timestamp_len;
int ocr_len;
int au_len;
int inst_bitrate_len;
int degr_prior_len;
int au_seq_num_len;
int packet_seq_num_len;
} SLConfigDescr;
typedef struct Mp4Descr {
int es_id;
int dec_config_descr_len;
uint8_t *dec_config_descr;
SLConfigDescr sl;
} Mp4Descr;
/*
* ETSI 300 468 descriptor 0x6A(AC-3)
* Refer to: ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
*/
typedef struct DVBAC3Descriptor {
uint8_t component_type_flag;
uint8_t bsid_flag;
uint8_t mainid_flag;
uint8_t asvc_flag;
uint8_t reserved_flags;
uint8_t component_type;
uint8_t bsid;
uint8_t mainid;
uint8_t asvc;
} DVBAC3Descriptor;
/**
* Parse an MPEG-2 descriptor
* @param[in] fc Format context (used for logging only)
* @param st Stream
* @param stream_type STREAM_TYPE_xxx
* @param pp Descriptor buffer pointer
* @param desc_list_end End of buffer
* @return <0 to stop processing
*/
int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
const uint8_t **pp, const uint8_t *desc_list_end,
Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
MpegTSContext *ts);
/**
* Check presence of H264 startcode
* @return <0 to stop processing
*/
int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt);
#endif /* AVFORMAT_MPEGTS_H */
|
