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https://github.com/FFmpeg/FFmpeg.git
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111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
/*
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* MPEG2 transport stream defines
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_MPEGTS_H
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#define AVFORMAT_MPEGTS_H
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#include "avformat.h"
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#define TS_FEC_PACKET_SIZE 204
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#define TS_DVHS_PACKET_SIZE 192
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#define TS_PACKET_SIZE 188
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#define TS_MAX_PACKET_SIZE 204
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#define NB_PID_MAX 8192
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#define MAX_SECTION_SIZE 4096
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/* pids */
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#define PAT_PID 0x0000
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#define SDT_PID 0x0011
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/* table ids */
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#define PAT_TID 0x00
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#define PMT_TID 0x02
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#define M4OD_TID 0x05
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#define SDT_TID 0x42
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#define STREAM_TYPE_VIDEO_MPEG1 0x01
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#define STREAM_TYPE_VIDEO_MPEG2 0x02
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#define STREAM_TYPE_AUDIO_MPEG1 0x03
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#define STREAM_TYPE_AUDIO_MPEG2 0x04
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#define STREAM_TYPE_PRIVATE_SECTION 0x05
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#define STREAM_TYPE_PRIVATE_DATA 0x06
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#define STREAM_TYPE_AUDIO_AAC 0x0f
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#define STREAM_TYPE_AUDIO_AAC_LATM 0x11
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#define STREAM_TYPE_VIDEO_MPEG4 0x10
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#define STREAM_TYPE_VIDEO_H264 0x1b
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#define STREAM_TYPE_VIDEO_VC1 0xea
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#define STREAM_TYPE_VIDEO_DIRAC 0xd1
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#define STREAM_TYPE_AUDIO_AC3 0x81
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#define STREAM_TYPE_AUDIO_DTS 0x8a
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typedef struct MpegTSContext MpegTSContext;
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MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s);
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int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
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const uint8_t *buf, int len);
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void ff_mpegts_parse_close(MpegTSContext *ts);
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typedef struct {
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int use_au_start;
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int use_au_end;
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int use_rand_acc_pt;
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int use_padding;
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int use_timestamps;
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int use_idle;
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int timestamp_res;
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int timestamp_len;
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int ocr_len;
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int au_len;
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int inst_bitrate_len;
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int degr_prior_len;
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int au_seq_num_len;
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int packet_seq_num_len;
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} SLConfigDescr;
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typedef struct {
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int es_id;
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int dec_config_descr_len;
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uint8_t *dec_config_descr;
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SLConfigDescr sl;
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} Mp4Descr;
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/**
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* Parse an MPEG-2 descriptor
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* @param[in] fc Format context (used for logging only)
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* @param st Stream
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* @param stream_type STREAM_TYPE_xxx
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* @param pp Descriptor buffer pointer
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* @param desc_list_end End of buffer
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* @param mp4_dec_config_descr_len Length of 'mp4_dec_config_descr', or zero if not present
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* @param mp4_es_id
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* @param pid
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* @param mp4_dec_config_descr
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* @return <0 to stop processing
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*/
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int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
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const uint8_t **pp, const uint8_t *desc_list_end,
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Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
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MpegTSContext *ts);
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#endif /* AVFORMAT_MPEGTS_H */
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