FFmpeg
Data Structures | Macros | Typedefs | Enumerations | Functions | Variables
mpegts.c File Reference
#include "libavutil/buffer.h"
#include "libavutil/crc.h"
#include "libavutil/internal.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", "set 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  R8_CHECK_CLIP_MAX(dst, maxv)
 
#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 Program *  get_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 MpegTSFilter *  mpegts_open_filter (MpegTSContext *ts, unsigned int pid, enum MpegTSFilterType type)
 
static MpegTSFilter *  mpegts_open_section_filter (MpegTSContext *ts, unsigned int pid, SectionCallback *section_cb, void *opaque, int check_crc)
 
static MpegTSFilter *  mpegts_open_pes_filter (MpegTSContext *ts, unsigned int pid, PESCallback *pes_cb, void *opaque)
 
static MpegTSFilter *  mpegts_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 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_data_packet (const uint8_t *buffer, int len, AVPacket *pkt)
 
static int  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 PESContext *  add_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)
 
static void  scte_data_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 int  is_pes_stream (int stream_type, uint32_t prog_reg_desc)
 
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, int seekback, const uint8_t *current_packet)
 
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)
 
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)
 

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  SCTE_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 43 of file mpegts.c.

#define MAX_PES_PAYLOAD   200 * 1024

Definition at line 45 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define MAX_MP4_DESCR_COUNT   16

Definition at line 47 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(ret< 0)
Definition: vf_mcdeint.c:282

Definition at line 49 of file mpegts.c.

#define MAX_PIDS_PER_PROGRAM   64

Definition at line 101 of file mpegts.c.

Referenced by add_pid_to_pmt().

#define SIZE_STAT_THRESHOLD   10

Definition at line 120 of file mpegts.c.

Referenced by reanalyze().

#define MPEGTS_OPTIONS   { "resync_size", "set 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 164 of file mpegts.c.

#define PES_START_SIZE   6

Definition at line 219 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define PES_HEADER_SIZE   9

Definition at line 220 of file mpegts.c.

Referenced by mpegts_push_data().

#define MAX_PES_HEADER_SIZE   (9 + 255)

Definition at line 221 of file mpegts.c.

#define MAX_LEVEL   4

Definition at line 1300 of file mpegts.c.

Referenced by parse_mp4_descr().

#define R8_CHECK_CLIP_MAX (   dst,
  maxv 
)
Value:
do { \
descr->sl.dst = avio_r8(&d->pb); \
if (descr->sl.dst > maxv) { \
descr->sl.dst = maxv; \
} \
} while (0)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:607
return
Definition: audio_convert.c:415
if(ret< 0)
Definition: vf_mcdeint.c:282

Referenced by parse_MP4SLDescrTag().

#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 2716 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 64 of file mpegts.c.

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

Definition at line 72 of file mpegts.c.

typedef void SetServiceCallback(void *opaque, int ret)

Definition at line 74 of file mpegts.c.

Enumeration Type Documentation

enum MpegTSFilterType
Enumerator
MPEGTS_PES 
MPEGTS_SECTION 
MPEGTS_PCR 

Definition at line 56 of file mpegts.c.

enum MpegTSState
Enumerator
MPEGTS_HEADER 
MPEGTS_PESHEADER 
MPEGTS_PESHEADER_FILL 
MPEGTS_PAYLOAD 
MPEGTS_SKIP 

Definition at line 210 of file mpegts.c.

Function Documentation

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

Definition at line 248 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 259 of file mpegts.c.

Referenced by clear_program(), and pat_cb().

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

Definition at line 274 of file mpegts.c.

Referenced by pmt_cb().

static void clear_programs ( MpegTSContext *  ts )
static

Definition at line 286 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 292 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 306 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 324 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 333 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 352 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 390 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 492 of file mpegts.c.

Referenced by add_pes_stream().

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

Definition at line 508 of file mpegts.c.

Referenced by pmt_cb().

static void mpegts_close_filter ( MpegTSContext *  ts,
MpegTSFilter *  filter 
)
static

Definition at line 513 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  probe 
)
static

Definition at line 534 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 563 of file mpegts.c.

Referenced by mpegts_read_header().

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

Definition at line 594 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 605 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 618 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 633 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 655 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 773 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor(), mpegts_set_stream_info(), and pmt_cb().

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

Definition at line 790 of file mpegts.c.

Referenced by mpegts_push_data(), and pmt_cb().

static void reset_pes_packet_state ( PESContext *  pes )
static

Definition at line 872 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

static void new_data_packet ( const uint8_t *  buffer,
int  len,
AVPacket *  pkt 
)
static

Definition at line 881 of file mpegts.c.

Referenced by scte_data_cb().

static int new_pes_packet ( PESContext *  pes,
AVPacket *  pkt 
)
static

Definition at line 888 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 928 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 935 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 1007 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 1276 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 1312 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 1458 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 1344 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 1355 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1367 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1381 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1402 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1416 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 1511 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 1527 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 1543 of file mpegts.c.

Referenced by ff_parse_mpeg2_descriptor().

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

Definition at line 1606 of file mpegts.c.

Referenced by pmt_cb().

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] fc Format context (used for logging only)
st Stream
stream_type STREAM_TYPE_xxx
pp Descriptor buffer pointer
desc_list_end End of buffer
Returns
<0 to stop processing

Definition at line 1647 of file mpegts.c.

Referenced by parse_chunks(), and pmt_cb().

static int is_pes_stream ( int  stream_type,
uint32_t  prog_reg_desc 
)
static

Definition at line 1906 of file mpegts.c.

Referenced by pmt_cb().

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

Definition at line 1912 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 2087 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 2162 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 2250 of file mpegts.c.

Referenced by avpriv_mpegts_parse_packet(), and handle_packets().

static void reanalyze ( MpegTSContext *  ts )
static

Definition at line 2380 of file mpegts.c.

Referenced by mpegts_resync().

static int mpegts_resync ( AVFormatContext *  s,
int  seekback,
const uint8_t *  current_packet 
)
static

Definition at line 2415 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 2447 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 2472 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 2480 of file mpegts.c.

Referenced by mpegts_read_header(), and mpegts_read_packet().

static int mpegts_probe ( AVProbeData *  p )
static

Definition at line 2533 of file mpegts.c.

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

Definition at line 2602 of file mpegts.c.

Referenced by mpegts_read_header().

static int mpegts_read_header ( AVFormatContext *  s )
static

Definition at line 2611 of file mpegts.c.

static int mpegts_raw_read_packet ( AVFormatContext *  s,
AVPacket *  pkt 
)
static

Definition at line 2718 of file mpegts.c.

static int mpegts_read_packet ( AVFormatContext *  s,
AVPacket *  pkt 
)
static

Definition at line 2766 of file mpegts.c.

static void mpegts_free ( MpegTSContext *  ts )
static

Definition at line 2796 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 2807 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 2814 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 2848 of file mpegts.c.

MpegTSContext* avpriv_mpegts_parse_open ( AVFormatContext *  s )

Definition at line 2885 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 2904 of file mpegts.c.

Referenced by iec61883_parse_queue_hdv(), and mpegts_handle_packet().

void avpriv_mpegts_parse_close ( MpegTSContext *  ts )

Definition at line 2929 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_BOOL,
{.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_BOOL,
{ .i64 = -1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM },
{"skip_changes", "skip changing / adding streams / programs", 0x42, AV_OPT_TYPE_BOOL,
{.i64 = 0}, 0, 1, 0 },
{"skip_clear", "skip clearing programs", 0x42, AV_OPT_TYPE_BOOL,
{.i64 = 0}, 0, 1, 0 },
{ NULL },
}
#define NULL
Definition: coverity.c:32
#define AV_OPT_FLAG_EXPORT
The option is intended for exporting values to the caller.
Definition: opt.h:287
Definition: opt.h:223
Definition: opt.h:240
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Definition: opt.h:277
#define MPEGTS_OPTIONS
Definition: mpegts.c:164
#define AV_OPT_FLAG_READONLY
The option may not be set through the AVOptions API, only read.
Definition: opt.h:292

Definition at line 167 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:85
av_default_item_name
Definition: libopenh264enc.c:78
static const AVOption options[]
Definition: mpegts.c:167

Definition at line 182 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 intended for exporting values to the caller.
Definition: opt.h:287
Definition: opt.h:223
Definition: opt.h:240
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Definition: opt.h:277
#define MPEGTS_OPTIONS
Definition: mpegts.c:164
#define AV_OPT_FLAG_READONLY
The option may not be set through the AVOptions API, only read.
Definition: opt.h:292

Definition at line 189 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:85
static const AVOption raw_options[]
Definition: mpegts.c:189
av_default_item_name
Definition: libopenh264enc.c:78

Definition at line 201 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:2533
static int mpegts_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mpegts.c:2766
#define AVFMT_SHOW_IDS
Show format stream IDs numbers.
Definition: avformat.h:480
static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, const uint8_t **data)
Definition: mpegts.c:2447
static int mpegts_read_header(AVFormatContext *s)
Definition: mpegts.c:2611
static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
Definition: mpegts.c:2848
static int flags
Definition: log.c:57
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
#define AVFMT_TS_DISCONT
Format allows timestamp discontinuities.
Definition: avformat.h:488
static int mpegts_read_close(AVFormatContext *s)
Definition: mpegts.c:2807
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:179
static int read_probe(AVProbeData *pd)
Definition: jvdec.c:55
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:510
static const AVClass mpegts_class
Definition: mpegts.c:182

Definition at line 2935 of file mpegts.c.

const StreamType ISO_types[]
static
Initial value:
= {
{ 0 },
}
Definition: avcodec.h:290
Definition: avcodec.h:232
Definition: avcodec.h:247
Definition: avcodec.h:336
Definition: avcodec.h:551
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition: avcodec.h:550
Definition: avutil.h:202
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
Definition: avcodec.h:394
Definition: avcodec.h:601
Definition: avcodec.h:307
Definition: avcodec.h:308
Definition: avutil.h:201

Definition at line 690 of file mpegts.c.

const StreamType HDMV_types[]
static
Initial value:
= {
{ 0 },
}
Definition: avcodec.h:596
Definition: avcodec.h:553
Definition: avutil.h:202
Definition: avcodec.h:645
Definition: avcodec.h:552
Definition: avcodec.h:592
Definition: avcodec.h:472
Definition: avutil.h:204
Definition: avcodec.h:663

Definition at line 713 of file mpegts.c.

const StreamType SCTE_types[]
static
Initial value:
= {
{ 0 },
}
Contain timestamp estimated through PCR of program stream.
Definition: avcodec.h:669
Opaque data information usually continuous.
Definition: avutil.h:203

Definition at line 729 of file mpegts.c.

const StreamType MISC_types[]
static
Initial value:

Definition at line 735 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('E', 'A', 'C', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_EAC3 },
{ 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('I', 'D', '3', ' '), AVMEDIA_TYPE_DATA, AV_CODEC_ID_TIMED_ID3 },
{ MKTAG('V', 'C', '-', '1'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VC1 },
{ MKTAG('O', 'p', 'u', 's'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_OPUS },
{ 0 },
}
Definition: avcodec.h:290
Opaque data information usually continuous.
Definition: avutil.h:203
Definition: avcodec.h:336
Definition: avcodec.h:474
Definition: avcodec.h:674
Definition: avcodec.h:553
Definition: avutil.h:202
Definition: avcodec.h:676
Definition: avcodec.h:612
Definition: avcodec.h:552
Definition: avcodec.h:592
Definition: avcodec.h:394
Definition: avutil.h:201
#define MKTAG(a, b, c, d)
Definition: common.h:342

Definition at line 741 of file mpegts.c.

const StreamType METADATA_types[]
static
Initial value:
= {
{ 0 },
}
Opaque data information usually continuous.
Definition: avutil.h:203
Definition: avcodec.h:674
Definition: avcodec.h:676
#define MKTAG(a, b, c, d)
Definition: common.h:342

Definition at line 757 of file mpegts.c.

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

Definition at line 1628 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 1632 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 1636 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:480
static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size, const uint8_t **data)
Definition: mpegts.c:2447
static int mpegts_read_header(AVFormatContext *s)
Definition: mpegts.c:2611
static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
Definition: mpegts.c:2848
static int flags
Definition: log.c:57
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
#define AVFMT_TS_DISCONT
Format allows timestamp discontinuities.
Definition: avformat.h:488
static int mpegts_read_close(AVFormatContext *s)
Definition: mpegts.c:2807
static int mpegts_raw_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mpegts.c:2718
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:179
static const AVClass mpegtsraw_class
Definition: mpegts.c:201
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:510

Definition at line 2948 of file mpegts.c.

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