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199 lines
8.1 KiB
C
Executable File
199 lines
8.1 KiB
C
Executable File
/*
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* MPEG-2 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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 USUAL_SECTION_SIZE 1024 /* except EIT which is limited to 4096 */
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#define MAX_SECTION_SIZE 4096
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/* pids */
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#define PAT_PID 0x0000 /* Program Association Table */
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#define CAT_PID 0x0001 /* Conditional Access Table */
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#define TSDT_PID 0x0002 /* Transport Stream Description Table */
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#define IPMP_PID 0x0003
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/* PID from 0x0004 to 0x000F are reserved */
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#define NIT_PID 0x0010 /* Network Information Table */
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#define SDT_PID 0x0011 /* Service Description Table */
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#define BAT_PID 0x0011 /* Bouquet Association Table */
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#define EIT_PID 0x0012 /* Event Information Table */
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#define RST_PID 0x0013 /* Running Status Table */
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#define TDT_PID 0x0014 /* Time and Date Table */
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#define TOT_PID 0x0014
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#define NET_SYNC_PID 0x0015
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#define RNT_PID 0x0016 /* RAR Notification Table */
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/* PID from 0x0017 to 0x001B are reserved for future use */
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/* PID value 0x001C allocated to link-local inband signalling shall not be
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* used on any broadcast signals. It shall only be used between devices in a
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* controlled environment. */
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#define LINK_LOCAL_PID 0x001C
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#define MEASUREMENT_PID 0x001D
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#define DIT_PID 0x001E /* Discontinuity Information Table */
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#define SIT_PID 0x001F /* Selection Information Table */
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/* PID from 0x0020 to 0x1FFA may be assigned as needed to PMT, elementary
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* streams and other data tables */
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#define FIRST_OTHER_PID 0x0020
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#define LAST_OTHER_PID 0x1FFA
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/* PID 0x1FFB is used by DigiCipher 2/ATSC MGT metadata */
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/* PID from 0x1FFC to 0x1FFE may be assigned as needed to PMT, elementary
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* streams and other data tables */
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#define NULL_PID 0x1FFF /* Null packet (used for fixed bandwidth padding) */
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/* m2ts pids */
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#define M2TS_PMT_PID 0x0100
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#define M2TS_PCR_PID 0x1001
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#define M2TS_VIDEO_PID 0x1011
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#define M2TS_AUDIO_START_PID 0x1100
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#define M2TS_PGSSUB_START_PID 0x1200
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#define M2TS_TEXTSUB_PID 0x1800
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#define M2TS_SECONDARY_AUDIO_START_PID 0x1A00
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#define M2TS_SECONDARY_VIDEO_START_PID 0x1B00
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/* table ids */
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#define PAT_TID 0x00 /* Program Association section */
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#define CAT_TID 0x01 /* Conditional Access section */
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#define PMT_TID 0x02 /* Program Map section */
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#define TSDT_TID 0x03 /* Transport Stream Description section */
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/* TID from 0x04 to 0x3F are reserved */
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#define M4OD_TID 0x05
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#define NIT_TID 0x40 /* Network Information section - actual network */
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#define ONIT_TID 0x41 /* Network Information section - other network */
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#define SDT_TID 0x42 /* Service Description section - actual TS */
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/* TID from 0x43 to 0x45 are reserved for future use */
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#define OSDT_TID 0x46 /* Service Descrition section - other TS */
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/* TID from 0x47 to 0x49 are reserved for future use */
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#define BAT_TID 0x4A /* Bouquet Association section */
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#define UNT_TID 0x4B /* Update Notification Table section */
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#define DFI_TID 0x4C /* Downloadable Font Info section */
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/* TID 0x4D is reserved for future use */
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#define EIT_TID 0x4E /* Event Information section - actual TS */
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#define OEIT_TID 0x4F /* Event Information section - other TS */
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#define EITS_START_TID 0x50 /* Event Information section schedule - actual TS */
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#define EITS_END_TID 0x5F /* Event Information section schedule - actual TS */
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#define OEITS_START_TID 0x60 /* Event Information section schedule - other TS */
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#define OEITS_END_TID 0x6F /* Event Information section schedule - other TS */
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#define TDT_TID 0x70 /* Time Date section */
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#define RST_TID 0x71 /* Running Status section */
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#define ST_TID 0x72 /* Stuffing section */
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#define TOT_TID 0x73 /* Time Offset section */
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#define AIT_TID 0x74 /* Application Inforamtion section */
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#define CT_TID 0x75 /* Container section */
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#define RCT_TID 0x76 /* Related Content section */
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#define CIT_TID 0x77 /* Content Identifier section */
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#define MPE_FEC_TID 0x78 /* MPE-FEC section */
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#define RPNT_TID 0x79 /* Resolution Provider Notification section */
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#define MPE_IFEC_TID 0x7A /* MPE-IFEC section */
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#define PROTMT_TID 0x7B /* Protection Message section */
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/* TID from 0x7C to 0x7D are reserved for future use */
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#define DIT_TID 0x7E /* Discontinuity Information section */
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#define SIT_TID 0x7F /* Selection Information section */
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/* TID from 0x80 to 0xFE are user defined */
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/* TID 0xFF is reserved */
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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_METADATA 0x15
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#define STREAM_TYPE_VIDEO_H264 0x1b
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#define STREAM_TYPE_VIDEO_HEVC 0x24
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#define STREAM_TYPE_VIDEO_CAVS 0x42
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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 0x82
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#define STREAM_TYPE_AUDIO_TRUEHD 0x83
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#define STREAM_TYPE_AUDIO_EAC3 0x87
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/* ISO/IEC 13818-1 Table 2-22 */
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#define STREAM_ID_PRIVATE_STREAM_1 0xbd
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#define STREAM_ID_AUDIO_STREAM_0 0xc0
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#define STREAM_ID_VIDEO_STREAM_0 0xe0
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#define STREAM_ID_METADATA_STREAM 0xfc
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#define STREAM_ID_EXTENDED_STREAM_ID 0xfd
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typedef struct MpegTSContext MpegTSContext;
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MpegTSContext *avpriv_mpegts_parse_open(AVFormatContext *s);
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int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
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const uint8_t *buf, int len);
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void avpriv_mpegts_parse_close(MpegTSContext *ts);
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typedef struct SLConfigDescr {
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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 Mp4Descr {
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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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* @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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/**
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* Check presence of H264 startcode
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* @return <0 to stop processing
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*/
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int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt);
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#endif /* AVFORMAT_MPEGTS_H */
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