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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * MPEG2 transport stream defines |
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| 3 | * Copyright (c) 2003 Fabrice Bellard |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef AVFORMAT_MPEGTS_H |
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| 23 | #define AVFORMAT_MPEGTS_H |
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| 24 | |||
| 25 | #include "avformat.h" |
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| 26 | |||
| 27 | #define TS_FEC_PACKET_SIZE 204 |
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| 28 | #define TS_DVHS_PACKET_SIZE 192 |
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| 29 | #define TS_PACKET_SIZE 188 |
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| 30 | #define TS_MAX_PACKET_SIZE 204 |
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| 31 | |||
| 32 | #define NB_PID_MAX 8192 |
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| 33 | #define MAX_SECTION_SIZE 4096 |
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| 34 | |||
| 35 | /* pids */ |
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| 36 | #define PAT_PID 0x0000 |
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| 37 | #define SDT_PID 0x0011 |
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| 38 | |||
| 39 | /* table ids */ |
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| 40 | #define PAT_TID 0x00 |
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| 41 | #define PMT_TID 0x02 |
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| 42 | #define M4OD_TID 0x05 |
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| 43 | #define SDT_TID 0x42 |
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| 44 | |||
| 45 | #define STREAM_TYPE_VIDEO_MPEG1 0x01 |
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| 46 | #define STREAM_TYPE_VIDEO_MPEG2 0x02 |
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| 47 | #define STREAM_TYPE_AUDIO_MPEG1 0x03 |
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| 48 | #define STREAM_TYPE_AUDIO_MPEG2 0x04 |
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| 49 | #define STREAM_TYPE_PRIVATE_SECTION 0x05 |
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| 50 | #define STREAM_TYPE_PRIVATE_DATA 0x06 |
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| 51 | #define STREAM_TYPE_AUDIO_AAC 0x0f |
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| 52 | #define STREAM_TYPE_AUDIO_AAC_LATM 0x11 |
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| 53 | #define STREAM_TYPE_VIDEO_MPEG4 0x10 |
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| 54 | #define STREAM_TYPE_VIDEO_H264 0x1b |
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| 55 | #define STREAM_TYPE_VIDEO_CAVS 0x42 |
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| 56 | #define STREAM_TYPE_VIDEO_VC1 0xea |
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| 57 | #define STREAM_TYPE_VIDEO_DIRAC 0xd1 |
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| 58 | |||
| 59 | #define STREAM_TYPE_AUDIO_AC3 0x81 |
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| 60 | #define STREAM_TYPE_AUDIO_DTS 0x8a |
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| 61 | |||
| 62 | typedef struct MpegTSContext MpegTSContext; |
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| 63 | |||
| 64 | MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s); |
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| 65 | int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt, |
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| 66 | const uint8_t *buf, int len); |
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| 67 | void ff_mpegts_parse_close(MpegTSContext *ts); |
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| 68 | |||
| 69 | typedef struct SLConfigDescr { |
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| 70 | int use_au_start; |
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| 71 | int use_au_end; |
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| 72 | int use_rand_acc_pt; |
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| 73 | int use_padding; |
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| 74 | int use_timestamps; |
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| 75 | int use_idle; |
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| 76 | int timestamp_res; |
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| 77 | int timestamp_len; |
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| 78 | int ocr_len; |
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| 79 | int au_len; |
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| 80 | int inst_bitrate_len; |
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| 81 | int degr_prior_len; |
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| 82 | int au_seq_num_len; |
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| 83 | int packet_seq_num_len; |
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| 84 | } SLConfigDescr; |
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| 85 | |||
| 86 | typedef struct Mp4Descr { |
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| 87 | int es_id; |
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| 88 | int dec_config_descr_len; |
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| 89 | uint8_t *dec_config_descr; |
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| 90 | SLConfigDescr sl; |
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| 91 | } Mp4Descr; |
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| 92 | |||
| 93 | /** |
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| 94 | * Parse an MPEG-2 descriptor |
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| 95 | * @param[in] fc Format context (used for logging only) |
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| 96 | * @param st Stream |
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| 97 | * @param stream_type STREAM_TYPE_xxx |
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| 98 | * @param pp Descriptor buffer pointer |
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| 99 | * @param desc_list_end End of buffer |
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| 100 | * @return <0 to stop processing |
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| 101 | */ |
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| 102 | int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type, |
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| 103 | const uint8_t **pp, const uint8_t *desc_list_end, |
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| 104 | Mp4Descr *mp4_descr, int mp4_descr_count, int pid, |
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| 105 | MpegTSContext *ts); |
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| 106 | |||
| 107 | #endif /* AVFORMAT_MPEGTS_H */ |