aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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 MAX_SECTION_SIZE 4096
/* pids */
#define PAT_PID 0x0000
#define SDT_PID 0x0011
/* table ids */
#define PAT_TID 0x00
#define PMT_TID 0x02
#define M4OD_TID 0x05
#define SDT_TID 0x42
#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_CAVS 0x42
#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
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;
/**
* 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 */
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