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mpegts.c File Reference
#include "libavutil/buffer.h"
#include "libavutil/crc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "libavutil/dict.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/avassert.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/opus.h"
#include "avformat.h"
#include "mpegts.h"
#include "internal.h"
#include "avio_internal.h"
#include "mpeg.h"
#include "isom.h"

Go to the source code of this file.

Data Structures

struct  MpegTSPESFilter
 
struct  MpegTSSectionFilter
 
struct  MpegTSFilter
 
struct  Program
 
struct  MpegTSContext
 
struct  PESContext
 
struct  SectionHeader
 
struct  StreamType
 
struct  MP4DescrParseContext
 

Macros

#define MAX_RESYNC_SIZE   65536
 
#define MAX_PES_PAYLOAD   200 * 1024
 
#define MAX_MP4_DESCR_COUNT   16
 
#define MOD_UNLIKELY(modulus, dividend, divisor, prev_dividend)
 
#define MAX_PIDS_PER_PROGRAM   64
 
#define SIZE_STAT_THRESHOLD   10
 
#define MPEGTS_OPTIONS   { "resync_size", "Size limit for looking up a new synchronization.", offsetof(MpegTSContext, resync_size), AV_OPT_TYPE_INT, { .i64 = MAX_RESYNC_SIZE}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }
 
#define PES_START_SIZE   6
 
#define PES_HEADER_SIZE   9
 
#define MAX_PES_HEADER_SIZE   (9 + 255)
 
#define MAX_LEVEL   4
 
#define CHECK_COUNT   10
 
#define CHECK_BLOCK   100
 
#define MAX_PACKET_READAHEAD   ((128 * 1024) / 188)
 

Typedefs

typedef int PESCallback (MpegTSFilter *f, const uint8_t *buf, int len, int is_start, int64_t pos)
 
typedef void SectionCallback (MpegTSFilter *f, const uint8_t *buf, int len)
 
typedef void SetServiceCallback (void *opaque, int ret)
 

Enumerations

enum  MpegTSFilterType { MPEGTS_PES, MPEGTS_SECTION, MPEGTS_PCR }
 
enum  MpegTSState {
  MPEGTS_HEADER = 0, MPEGTS_PESHEADER, MPEGTS_PESHEADER_FILL, MPEGTS_PAYLOAD,
  MPEGTS_SKIP
}
 

Functions

static struct Programget_program (MpegTSContext *ts, unsigned int programid)
 
static void clear_avprogram (MpegTSContext *ts, unsigned int programid)
 
static void clear_program (MpegTSContext *ts, unsigned int programid)
 
static void clear_programs (MpegTSContext *ts)
 
static void add_pat_entry (MpegTSContext *ts, unsigned int programid)
 
static void add_pid_to_pmt (MpegTSContext *ts, unsigned int programid, unsigned int pid)
 
static void set_pmt_found (MpegTSContext *ts, unsigned int programid)
 
static void set_pcr_pid (AVFormatContext *s, unsigned int programid, unsigned int pid)
 
static int discard_pid (MpegTSContext *ts, unsigned int pid)
 discard_pid() decides if the pid is to be discarded according to caller's programs selection More...
 
static void write_section_data (MpegTSContext *ts, MpegTSFilter *tss1, const uint8_t *buf, int buf_size, int is_start)
 Assemble PES packets out of TS packets, and then call the "section_cb" function when they are complete. More...
 
static MpegTSFiltermpegts_open_filter (MpegTSContext *ts, unsigned int pid, enum MpegTSFilterType type)
 
static MpegTSFiltermpegts_open_section_filter (MpegTSContext *ts, unsigned int pid, SectionCallback *section_cb, void *opaque, int check_crc)
 
static MpegTSFiltermpegts_open_pes_filter (MpegTSContext *ts, unsigned int pid, PESCallback *pes_cb, void *opaque)
 
static MpegTSFiltermpegts_open_pcr_filter (MpegTSContext *ts, unsigned int pid)
 
static void mpegts_close_filter (MpegTSContext *ts, MpegTSFilter *filter)
 
static int analyze (const uint8_t *buf, int size, int packet_size, int *index, int probe)
 
static int get_packet_size (const uint8_t *buf, int size)
 
static int skip_identical (const SectionHeader *h, MpegTSSectionFilter *tssf)
 
static int get8 (const uint8_t **pp, const uint8_t *p_end)
 
static int get16 (const uint8_t **pp, const uint8_t *p_end)
 
static char * getstr8 (const uint8_t **pp, const uint8_t *p_end)
 
static int parse_section_header (SectionHeader *h, const uint8_t **pp, const uint8_t *p_end)
 
static void mpegts_find_stream_type (AVStream *st, uint32_t stream_type, const StreamType *types)
 
static int mpegts_set_stream_info (AVStream *st, PESContext *pes, uint32_t stream_type, uint32_t prog_reg_desc)
 
static void reset_pes_packet_state (PESContext *pes)
 
static void new_pes_packet (PESContext *pes, AVPacket *pkt)
 
static uint64_t get_ts64 (GetBitContext *gb, int bits)
 
static int read_sl_header (PESContext *pes, SLConfigDescr *sl, const uint8_t *buf, int buf_size)
 
static int mpegts_push_data (MpegTSFilter *filter, const uint8_t *buf, int buf_size, int is_start, int64_t pos)
 
static PESContextadd_pes_stream (MpegTSContext *ts, int pid, int pcr_pid)
 
static int init_MP4DescrParseContext (MP4DescrParseContext *d, AVFormatContext *s, const uint8_t *buf, unsigned size, Mp4Descr *descr, int max_descr_count)
 
static void update_offsets (AVIOContext *pb, int64_t *off, int *len)
 
static int parse_mp4_descr (MP4DescrParseContext *d, int64_t off, int len, int target_tag)
 
static int parse_mp4_descr_arr (MP4DescrParseContext *d, int64_t off, int len)
 
static int parse_MP4IODescrTag (MP4DescrParseContext *d, int64_t off, int len)
 
static int parse_MP4ODescrTag (MP4DescrParseContext *d, int64_t off, int len)
 
static int parse_MP4ESDescrTag (MP4DescrParseContext *d, int64_t off, int len)
 
static int parse_MP4DecConfigDescrTag (MP4DescrParseContext *d, int64_t off, int len)
 
static int parse_MP4SLDescrTag (MP4DescrParseContext *d, int64_t off, int len)
 
static int mp4_read_iods (AVFormatContext *s, const uint8_t *buf, unsigned size, Mp4Descr *descr, int *descr_count, int max_descr_count)
 
static int mp4_read_od (AVFormatContext *s, const uint8_t *buf, unsigned size, Mp4Descr *descr, int *descr_count, int max_descr_count)
 
static void m4sl_cb (MpegTSFilter *filter, const uint8_t *section, int section_len)
 
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)
 Parse an MPEG-2 descriptor. More...
 
static void pmt_cb (MpegTSFilter *filter, const uint8_t *section, int section_len)
 
static void pat_cb (MpegTSFilter *filter, const uint8_t *section, int section_len)
 
static void sdt_cb (MpegTSFilter *filter, const uint8_t *section, int section_len)
 
static int parse_pcr (int64_t *ppcr_high, int *ppcr_low, const uint8_t *packet)
 
static int handle_packet (MpegTSContext *ts, const uint8_t *packet)
 
static void reanalyze (MpegTSContext *ts)
 
static int mpegts_resync (AVFormatContext *s)
 
static int read_packet (AVFormatContext *s, uint8_t *buf, int raw_packet_size, const uint8_t **data)
 
static void finished_reading_packet (AVFormatContext *s, int raw_packet_size)
 
static int handle_packets (MpegTSContext *ts, int64_t nb_packets)
 
static int mpegts_probe (AVProbeData *p)
 
static void seek_back (AVFormatContext *s, AVIOContext *pb, int64_t pos)
 
static int mpegts_read_header (AVFormatContext *s)
 
static int mpegts_raw_read_packet (AVFormatContext *s, AVPacket *pkt)
 
static int mpegts_read_packet (AVFormatContext *s, AVPacket *pkt)
 
static void mpegts_free (MpegTSContext *ts)
 
static int mpegts_read_close (AVFormatContext *s)
 
static av_unused int64_t mpegts_get_pcr (AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
 
static int64_t mpegts_get_dts (AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
 
MpegTSContextavpriv_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)
 

Variables

static const AVOption options []
 
static const AVClass mpegts_class
 
static const AVOption raw_options []
 
static const AVClass mpegtsraw_class
 
AVInputFormat ff_mpegts_demuxer
 
static const StreamType ISO_types []
 
static const StreamType HDMV_types []
 
static const StreamType MISC_types []
 
static const StreamType REGD_types []
 
static const StreamType METADATA_types []
 
static const StreamType DESC_types []
 
static const uint8_t opus_coupled_stream_cnt [9]
 
static const uint8_t opus_stream_cnt [9]
 
static const uint8_t opus_channel_map [8][8]
 
AVInputFormat ff_mpegtsraw_demuxer
 

Macro Definition Documentation

#define MAX_RESYNC_SIZE   65536

Definition at line 42 of file mpegts.c.

#define MAX_PES_PAYLOAD   200 * 1024

Definition at line 44 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define MAX_MP4_DESCR_COUNT   16

Definition at line 46 of file mpegts.c.

Referenced by m4sl_cb(), and pmt_cb().

#define MOD_UNLIKELY (   modulus,
  dividend,
  divisor,
  prev_dividend 
)
Value:
do { \
if ((prev_dividend) == 0 || (dividend) - (prev_dividend) != (divisor)) \
(modulus) = (dividend) % (divisor); \
(prev_dividend) = (dividend); \
} while (0)
if()
Definition: avfilter.c:975

Definition at line 48 of file mpegts.c.

#define MAX_PIDS_PER_PROGRAM   64

Definition at line 100 of file mpegts.c.

Referenced by add_pid_to_pmt().

#define SIZE_STAT_THRESHOLD   10

Definition at line 119 of file mpegts.c.

Referenced by reanalyze().

#define MPEGTS_OPTIONS   { "resync_size", "Size limit for looking up a new synchronization.", offsetof(MpegTSContext, resync_size), AV_OPT_TYPE_INT, { .i64 = MAX_RESYNC_SIZE}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }

Definition at line 163 of file mpegts.c.

#define PES_START_SIZE   6

Definition at line 218 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define PES_HEADER_SIZE   9

Definition at line 219 of file mpegts.c.

Referenced by mpegts_push_data().

#define MAX_PES_HEADER_SIZE   (9 + 255)

Definition at line 220 of file mpegts.c.

#define MAX_LEVEL   4

Definition at line 1248 of file mpegts.c.

Referenced by parse_mp4_descr().

#define CHECK_COUNT   10

Referenced by mpegts_probe().

#define CHECK_BLOCK   100

Referenced by mpegts_probe().

#define MAX_PACKET_READAHEAD   ((128 * 1024) / 188)

Definition at line 2599 of file mpegts.c.

Referenced by mpegts_raw_read_packet().

Typedef Documentation

typedef int PESCallback(MpegTSFilter *f, const uint8_t *buf, int len, int is_start, int64_t pos)

Definition at line 63 of file mpegts.c.

typedef void SectionCallback(MpegTSFilter *f, const uint8_t *buf, int len)

Definition at line 71 of file mpegts.c.

typedef void SetServiceCallback(void *opaque, int ret)

Definition at line 73 of file mpegts.c.

Enumeration Type Documentation

Enumerator
MPEGTS_PES 
MPEGTS_SECTION 
MPEGTS_PCR 

Definition at line 55 of file mpegts.c.

Enumerator
MPEGTS_HEADER 
MPEGTS_PESHEADER 
MPEGTS_PESHEADER_FILL 
MPEGTS_PAYLOAD 
MPEGTS_SKIP 

Definition at line 209 of file mpegts.c.

Function Documentation

static struct Program* get_program ( MpegTSContext ts,
unsigned int  programid 
)
static

Definition at line 246 of file mpegts.c.

Referenced by add_pid_to_pmt(), and set_pmt_found().

static void clear_avprogram ( MpegTSContext ts,
unsigned int  programid 
)
static

Definition at line 257 of file mpegts.c.

Referenced by clear_program(), and pat_cb().

static void clear_program ( MpegTSContext ts,
unsigned int  programid 
)
static

Definition at line 272 of file mpegts.c.

Referenced by pmt_cb().

static void clear_programs ( MpegTSContext ts)
static

Definition at line 284 of file mpegts.c.

Referenced by mpegts_free(), and pat_cb().

static void add_pat_entry ( MpegTSContext ts,
unsigned int  programid 
)
static

Definition at line 290 of file mpegts.c.

Referenced by pat_cb().

static void add_pid_to_pmt ( MpegTSContext ts,
unsigned int  programid,
unsigned int  pid 
)
static

Definition at line 304 of file mpegts.c.

Referenced by pat_cb(), and pmt_cb().

static void set_pmt_found ( MpegTSContext ts,
unsigned int  programid 
)
static

Definition at line 322 of file mpegts.c.

Referenced by pmt_cb().

static void set_pcr_pid ( AVFormatContext s,
unsigned int  programid,
unsigned int  pid 
)
static

Definition at line 331 of file mpegts.c.

Referenced by pmt_cb().

static int discard_pid ( MpegTSContext ts,
unsigned int  pid 
)
static

discard_pid() decides if the pid is to be discarded according to caller's programs selection

Parameters
ts: - TS context
pid: - pid
Returns
1 if the pid is only comprised in programs that have .discard=AVDISCARD_ALL 0 otherwise

Definition at line 350 of file mpegts.c.

Referenced by handle_packet().

static void write_section_data ( MpegTSContext ts,
MpegTSFilter tss1,
const uint8_t buf,
int  buf_size,
int  is_start 
)
static

Assemble PES packets out of TS packets, and then call the "section_cb" function when they are complete.

Definition at line 388 of file mpegts.c.

Referenced by handle_packet().

static MpegTSFilter* mpegts_open_filter ( MpegTSContext ts,
unsigned int  pid,
enum MpegTSFilterType  type 
)
static
static MpegTSFilter* mpegts_open_section_filter ( MpegTSContext ts,
unsigned int  pid,
SectionCallback section_cb,
void opaque,
int  check_crc 
)
static
static MpegTSFilter* mpegts_open_pes_filter ( MpegTSContext ts,
unsigned int  pid,
PESCallback pes_cb,
void opaque 
)
static

Definition at line 490 of file mpegts.c.

Referenced by add_pes_stream().

static MpegTSFilter* mpegts_open_pcr_filter ( MpegTSContext ts,
unsigned int  pid 
)
static

Definition at line 506 of file mpegts.c.

Referenced by pmt_cb().

static void mpegts_close_filter ( MpegTSContext ts,
MpegTSFilter filter 
)
static

Definition at line 511 of file mpegts.c.

Referenced by mpegts_free(), pat_cb(), and pmt_cb().

static int analyze ( const uint8_t buf,
int  size,
int  packet_size,
int *  index,
int  probe 
)
static

Definition at line 532 of file mpegts.c.

Referenced by get_packet_size(), and mpegts_probe().

static int get_packet_size ( const uint8_t buf,
int  size 
)
static

Definition at line 560 of file mpegts.c.

Referenced by mpegts_read_header().

static int skip_identical ( const SectionHeader h,
MpegTSSectionFilter tssf 
)
static

Definition at line 591 of file mpegts.c.

Referenced by m4sl_cb(), pat_cb(), pmt_cb(), and sdt_cb().

static int get8 ( const uint8_t **  pp,
const uint8_t p_end 
)
inlinestatic

Definition at line 602 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), getstr8(), parse_section_header(), pmt_cb(), and sdt_cb().

static int get16 ( const uint8_t **  pp,
const uint8_t p_end 
)
inlinestatic

Definition at line 615 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), parse_section_header(), pat_cb(), pmt_cb(), and sdt_cb().

static char* getstr8 ( const uint8_t **  pp,
const uint8_t p_end 
)
static

Definition at line 630 of file mpegts.c.

Referenced by sdt_cb().

static int parse_section_header ( SectionHeader h,
const uint8_t **  pp,
const uint8_t p_end 
)
static

Definition at line 652 of file mpegts.c.

Referenced by m4sl_cb(), pat_cb(), pmt_cb(), and sdt_cb().

static void mpegts_find_stream_type ( AVStream st,
uint32_t  stream_type,
const StreamType types 
)
static

Definition at line 760 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), and mpegts_set_stream_info().

static int mpegts_set_stream_info ( AVStream st,
PESContext pes,
uint32_t  stream_type,
uint32_t  prog_reg_desc 
)
static

Definition at line 778 of file mpegts.c.

Referenced by mpegts_push_data(), and pmt_cb().

static void reset_pes_packet_state ( PESContext pes)
static

Definition at line 851 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

static void new_pes_packet ( PESContext pes,
AVPacket pkt 
)
static

Definition at line 860 of file mpegts.c.

Referenced by mpegts_push_data(), and mpegts_read_packet().

static uint64_t get_ts64 ( GetBitContext gb,
int  bits 
)
static

Definition at line 891 of file mpegts.c.

Referenced by read_sl_header().

static int read_sl_header ( PESContext pes,
SLConfigDescr sl,
const uint8_t buf,
int  buf_size 
)
static

Definition at line 898 of file mpegts.c.

Referenced by mpegts_push_data().

static int mpegts_push_data ( MpegTSFilter filter,
const uint8_t buf,
int  buf_size,
int  is_start,
int64_t  pos 
)
static

Definition at line 970 of file mpegts.c.

Referenced by add_pes_stream().

static PESContext* add_pes_stream ( MpegTSContext ts,
int  pid,
int  pcr_pid 
)
static

Definition at line 1224 of file mpegts.c.

Referenced by handle_packet(), and pmt_cb().

static int init_MP4DescrParseContext ( MP4DescrParseContext d,
AVFormatContext s,
const uint8_t buf,
unsigned  size,
Mp4Descr descr,
int  max_descr_count 
)
static

Definition at line 1260 of file mpegts.c.

Referenced by mp4_read_iods(), and mp4_read_od().

static void update_offsets ( AVIOContext pb,
int64_t *  off,
int *  len 
)
static
static int parse_mp4_descr ( MP4DescrParseContext d,
int64_t  off,
int  len,
int  target_tag 
)
static

Definition at line 1400 of file mpegts.c.

Referenced by mp4_read_iods(), parse_mp4_descr_arr(), and parse_MP4ESDescrTag().

static int parse_mp4_descr_arr ( MP4DescrParseContext d,
int64_t  off,
int  len 
)
static

Definition at line 1292 of file mpegts.c.

Referenced by mp4_read_od(), parse_MP4IODescrTag(), and parse_MP4ODescrTag().

static int parse_MP4IODescrTag ( MP4DescrParseContext d,
int64_t  off,
int  len 
)
static

Definition at line 1303 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4ODescrTag ( MP4DescrParseContext d,
int64_t  off,
int  len 
)
static

Definition at line 1315 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4ESDescrTag ( MP4DescrParseContext d,
int64_t  off,
int  len 
)
static

Definition at line 1329 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4DecConfigDescrTag ( MP4DescrParseContext d,
int64_t  off,
int  len 
)
static

Definition at line 1347 of file mpegts.c.

Referenced by parse_mp4_descr().

static int parse_MP4SLDescrTag ( MP4DescrParseContext d,
int64_t  off,
int  len 
)
static

Definition at line 1361 of file mpegts.c.

Referenced by parse_mp4_descr().

static int mp4_read_iods ( AVFormatContext s,
const uint8_t buf,
unsigned  size,
Mp4Descr descr,
int *  descr_count,
int  max_descr_count 
)
static

Definition at line 1449 of file mpegts.c.

Referenced by pmt_cb().

static int mp4_read_od ( AVFormatContext s,
const uint8_t buf,
unsigned  size,
Mp4Descr descr,
int *  descr_count,
int  max_descr_count 
)
static

Definition at line 1465 of file mpegts.c.

Referenced by m4sl_cb().

static void m4sl_cb ( MpegTSFilter filter,
const uint8_t section,
int  section_len 
)
static

Definition at line 1481 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

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 
)

Parse an MPEG-2 descriptor.

Parameters
[in]fcFormat context (used for logging only)
stStream
stream_typeSTREAM_TYPE_xxx
ppDescriptor buffer pointer
desc_list_endEnd of buffer
Returns
<0 to stop processing

Definition at line 1569 of file mpegts.c.

Referenced by parse_chunks(), and pmt_cb().

static void pmt_cb ( MpegTSFilter filter,
const uint8_t section,
int  section_len 
)
static

Definition at line 1823 of file mpegts.c.

Referenced by pat_cb().

static void pat_cb ( MpegTSFilter filter,
const uint8_t section,
int  section_len 
)
static

Definition at line 1994 of file mpegts.c.

Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().

static void sdt_cb ( MpegTSFilter filter,
const uint8_t section,
int  section_len 
)
static

Definition at line 2069 of file mpegts.c.

Referenced by avpriv_mpegts_parse_open(), and mpegts_read_header().

static int parse_pcr ( int64_t *  ppcr_high,
int *  ppcr_low,
const uint8_t packet 
)
static
static int handle_packet ( MpegTSContext ts,
const uint8_t packet 
)
static

Definition at line 2157 of file mpegts.c.

Referenced by avpriv_mpegts_parse_packet(), and handle_packets().

static void reanalyze ( MpegTSContext ts)
static

Definition at line 2286 of file mpegts.c.

Referenced by mpegts_resync().

static int mpegts_resync ( AVFormatContext s)
static

Definition at line 2321 of file mpegts.c.

Referenced by mpegts_get_pcr(), and read_packet().

static int read_packet ( AVFormatContext s,
uint8_t buf,
int  raw_packet_size,
const uint8_t **  data 
)
static

Definition at line 2344 of file mpegts.c.

Referenced by handle_packets(), mpegts_raw_read_packet(), and mpegts_read_header().

static void finished_reading_packet ( AVFormatContext s,
int  raw_packet_size 
)
static

Definition at line 2371 of file mpegts.c.

Referenced by handle_packets(), mpegts_raw_read_packet(), and mpegts_read_header().

static int handle_packets ( MpegTSContext ts,
int64_t  nb_packets 
)
static

Definition at line 2379 of file mpegts.c.

Referenced by mpegts_read_header(), and mpegts_read_packet().

static int mpegts_probe ( AVProbeData p)
static

Definition at line 2432 of file mpegts.c.

static void seek_back ( AVFormatContext s,
AVIOContext pb,
int64_t  pos 
)
static

Definition at line 2494 of file mpegts.c.

Referenced by mpegts_read_header().

static int mpegts_read_header ( AVFormatContext s)
static

Definition at line 2503 of file mpegts.c.

static int mpegts_raw_read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 2601 of file mpegts.c.

static int mpegts_read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 2649 of file mpegts.c.

static void mpegts_free ( MpegTSContext ts)
static

Definition at line 2677 of file mpegts.c.

Referenced by avpriv_mpegts_parse_close(), and mpegts_read_close().

static int mpegts_read_close ( AVFormatContext s)
static

Definition at line 2688 of file mpegts.c.

static av_unused int64_t mpegts_get_pcr ( AVFormatContext s,
int  stream_index,
int64_t *  ppos,
int64_t  pos_limit 
)
static

Definition at line 2695 of file mpegts.c.

static int64_t mpegts_get_dts ( AVFormatContext s,
int  stream_index,
int64_t *  ppos,
int64_t  pos_limit 
)
static

Definition at line 2730 of file mpegts.c.

MpegTSContext* avpriv_mpegts_parse_open ( AVFormatContext s)

Definition at line 2765 of file mpegts.c.

Referenced by iec61883_read_header(), and mpegts_init().

int avpriv_mpegts_parse_packet ( MpegTSContext ts,
AVPacket pkt,
const uint8_t buf,
int  len 
)

Definition at line 2784 of file mpegts.c.

Referenced by iec61883_parse_queue_hdv(), and mpegts_handle_packet().

void avpriv_mpegts_parse_close ( MpegTSContext ts)

Definition at line 2809 of file mpegts.c.

Referenced by ff_rtsp_close_streams(), iec61883_close(), and mpegts_close_context().

Variable Documentation

const AVOption options[]
static
Initial value:
= {
{"fix_teletext_pts", "Try to fix pts values of dvb teletext streams.", 0x42, AV_OPT_TYPE_INT,
{.i64 = 1}, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
{"ts_packetsize", "Output option carrying the raw packet size.", 0x42, AV_OPT_TYPE_INT,
{"scan_all_pmts", "Scan and combine all PMTs", 0x42, AV_OPT_TYPE_INT,
{ .i64 = -1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM },
{"skip_changes", "Skip changing / adding streams / programs.", 0x42, AV_OPT_TYPE_INT,
{.i64 = 0}, 0, 1, 0 },
{"skip_clear", "Skip clearing programs.", 0x42, AV_OPT_TYPE_INT,
{.i64 = 0}, 0, 1, 0 },
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define AV_OPT_FLAG_EXPORT
The option is inteded for exporting values to the caller.
Definition: opt.h:296
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Definition: opt.h:286
#define MPEGTS_OPTIONS
Definition: mpegts.c:163
#define AV_OPT_FLAG_READONLY
The option may not be set through the AVOptions API, only read.
Definition: opt.h:301

Definition at line 166 of file mpegts.c.

const AVClass mpegts_class
static
Initial value:
= {
.class_name = "mpegts demuxer",
.item_name = av_default_item_name,
.option = options,
}
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
av_default_item_name
static const AVOption options[]
Definition: mpegts.c:166

Definition at line 181 of file mpegts.c.

const AVOption raw_options[]
static
Initial value:
= {
{ "compute_pcr", "Compute exact PCR for each transport stream packet.",
{ .i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
{ "ts_packetsize", "Output option carrying the raw packet size.",
{ .i64 = 0 }, 0, 0,
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define AV_OPT_FLAG_EXPORT
The option is inteded for exporting values to the caller.
Definition: opt.h:296
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Definition: opt.h:286
#define MPEGTS_OPTIONS
Definition: mpegts.c:163
#define AV_OPT_FLAG_READONLY
The option may not be set through the AVOptions API, only read.
Definition: opt.h:301

Definition at line 188 of file mpegts.c.

const AVClass mpegtsraw_class
static
Initial value:
= {
.class_name = "mpegtsraw demuxer",
.item_name = av_default_item_name,
.option = raw_options,
}
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
static const AVOption raw_options[]
Definition: mpegts.c:188
av_default_item_name

Definition at line 200 of file mpegts.c.

AVInputFormat ff_mpegts_demuxer
Initial value:
= {
.name = "mpegts",
.long_name = NULL_IF_CONFIG_SMALL("MPEG-TS (MPEG-2 Transport Stream)"),
.priv_data_size = sizeof(MpegTSContext),
.read_timestamp = mpegts_get_dts,
.priv_class = &mpegts_class,
}
static int mpegts_probe(AVProbeData *p)
Definition: mpegts.c:2432
static int mpegts_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mpegts.c:2649
#define AVFMT_SHOW_IDS
Show format stream IDs numbers.
Definition: avformat.h:467
static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, const uint8_t **data)
Definition: mpegts.c:2344
static int mpegts_read_header(AVFormatContext *s)
Definition: mpegts.c:2503
static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
Definition: mpegts.c:2730
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
#define AVFMT_TS_DISCONT
Format allows timestamp discontinuities.
Definition: avformat.h:474
static int mpegts_read_close(AVFormatContext *s)
Definition: mpegts.c:2688
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
static int read_probe(AVProbeData *pd)
Definition: jvdec.c:55
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:620
static int flags
Definition: cpu.c:47
static const AVClass mpegts_class
Definition: mpegts.c:181

Definition at line 2815 of file mpegts.c.

const StreamType ISO_types[]
static
const StreamType HDMV_types[]
static
const StreamType MISC_types[]
static
Initial value:

Definition at line 724 of file mpegts.c.

const StreamType REGD_types[]
static
Initial value:
= {
{ MKTAG('d', 'r', 'a', 'c'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_DIRAC },
{ MKTAG('A', 'C', '-', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AC3 },
{ MKTAG('B', 'S', 'S', 'D'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_S302M },
{ MKTAG('D', 'T', 'S', '1'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS },
{ MKTAG('D', 'T', 'S', '2'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS },
{ MKTAG('D', 'T', 'S', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS },
{ MKTAG('H', 'E', 'V', 'C'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC },
{ MKTAG('K', 'L', 'V', 'A'), AVMEDIA_TYPE_DATA, AV_CODEC_ID_SMPTE_KLV },
{ MKTAG('V', 'C', '-', '1'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VC1 },
{ MKTAG('O', 'p', 'u', 's'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_OPUS },
{ 0 },
}
Opaque data information usually continuous.
Definition: avutil.h:203
#define MKTAG(a, b, c, d)
Definition: common.h:315

Definition at line 730 of file mpegts.c.

const StreamType METADATA_types[]
static
Initial value:
= {
{ 0 },
}
Opaque data information usually continuous.
Definition: avutil.h:203
#define MKTAG(a, b, c, d)
Definition: common.h:315

Definition at line 744 of file mpegts.c.

const StreamType DESC_types[]
static
const uint8_t opus_coupled_stream_cnt[9]
static
Initial value:
= {
1, 0, 1, 1, 2, 2, 2, 3, 3
}

Definition at line 1550 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

const uint8_t opus_stream_cnt[9]
static
Initial value:
= {
1, 1, 1, 2, 2, 3, 4, 4, 5,
}

Definition at line 1554 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

const uint8_t opus_channel_map[8][8]
static
Initial value:
= {
{ 0 },
{ 0,1 },
{ 0,2,1 },
{ 0,1,2,3 },
{ 0,4,1,2,3 },
{ 0,4,1,2,3,5 },
{ 0,4,1,2,3,5,6 },
{ 0,6,1,2,3,4,5,7 },
}

Definition at line 1558 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

AVInputFormat ff_mpegtsraw_demuxer
Initial value:
= {
.name = "mpegtsraw",
.long_name = NULL_IF_CONFIG_SMALL("raw MPEG-TS (MPEG-2 Transport Stream)"),
.priv_data_size = sizeof(MpegTSContext),
.read_timestamp = mpegts_get_dts,
.priv_class = &mpegtsraw_class,
}
#define AVFMT_SHOW_IDS
Show format stream IDs numbers.
Definition: avformat.h:467
static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, const uint8_t **data)
Definition: mpegts.c:2344
static int mpegts_read_header(AVFormatContext *s)
Definition: mpegts.c:2503
static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
Definition: mpegts.c:2730
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
#define AVFMT_TS_DISCONT
Format allows timestamp discontinuities.
Definition: avformat.h:474
static int mpegts_read_close(AVFormatContext *s)
Definition: mpegts.c:2688
static int mpegts_raw_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mpegts.c:2601
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
static const AVClass mpegtsraw_class
Definition: mpegts.c:200
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:620
static int flags
Definition: cpu.c:47

Definition at line 2828 of file mpegts.c.