FFmpeg
Data Structures | Macros | Typedefs | Enumerations | Functions | Variables
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 "avformat.h"
#include "mpegts.h"
#include "internal.h"
#include "avio_internal.h"
#include "seek.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 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
 
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.
 
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 *index)
 
static int  get_packet_size (const uint8_t *buf, int size)
 
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 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)
 
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.
 
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)
 
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  MISC_types []
 
static const StreamType  REGD_types []
 
static const StreamType  METADATA_types []
 
static const StreamType  DESC_types []
 
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)

Definition at line 48 of file mpegts.c.

#define MAX_PIDS_PER_PROGRAM   64

Definition at line 97 of file mpegts.c.

Referenced by add_pid_to_pmt().

#define SIZE_STAT_THRESHOLD   10

Definition at line 116 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 158 of file mpegts.c.

#define PES_START_SIZE   6

Definition at line 211 of file mpegts.c.

Referenced by mpegts_push_data(), and new_pes_packet().

#define PES_HEADER_SIZE   9

Definition at line 212 of file mpegts.c.

Referenced by mpegts_push_data().

#define MAX_PES_HEADER_SIZE   (9 + 255)

Definition at line 213 of file mpegts.c.

#define MAX_LEVEL   4

Definition at line 1199 of file mpegts.c.

Referenced by parse_mp4_descr().

#define CHECK_COUNT   10
#define CHECK_BLOCK   100

Referenced by mpegts_probe().

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

Definition at line 2470 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

enum MpegTSFilterType
Enumerator:
MPEGTS_PES
MPEGTS_SECTION
MPEGTS_PCR

Definition at line 55 of file mpegts.c.

enum MpegTSState
Enumerator:
MPEGTS_HEADER
MPEGTS_PESHEADER
MPEGTS_PESHEADER_FILL
MPEGTS_PAYLOAD
MPEGTS_SKIP

Definition at line 202 of file mpegts.c.

Function Documentation

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

Definition at line 239 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 250 of file mpegts.c.

Referenced by clear_program(), and pat_cb().

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

Definition at line 265 of file mpegts.c.

Referenced by pmt_cb().

static void clear_programs ( MpegTSContext *  ts )
static

Definition at line 277 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 283 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 297 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 309 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 318 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 337 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 375 of file mpegts.c.

Referenced by handle_packet().

static MpegTSFilter* mpegts_open_filter ( MpegTSContext *  ts,
unsigned int  pid,
enum MpegTSFilterType  type 
)
static

Definition at line 423 of file mpegts.c.

Referenced by mpegts_open_pcr_filter(), mpegts_open_pes_filter(), and mpegts_open_section_filter().

static MpegTSFilter* mpegts_open_section_filter ( MpegTSContext *  ts,
unsigned int  pid,
SectionCallback *  section_cb,
void *  opaque,
int  check_crc 
)
static

Definition at line 446 of file mpegts.c.

Referenced by avpriv_mpegts_parse_open(), ff_parse_mpeg2_descriptor(), mpegts_read_header(), and pat_cb().

static MpegTSFilter* mpegts_open_pes_filter ( MpegTSContext *  ts,
unsigned int  pid,
PESCallback *  pes_cb,
void *  opaque 
)
static

Definition at line 469 of file mpegts.c.

Referenced by add_pes_stream().

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

Definition at line 485 of file mpegts.c.

Referenced by pmt_cb().

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

Definition at line 490 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 
)
static

Definition at line 511 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 537 of file mpegts.c.

Referenced by mpegts_read_header().

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

Definition at line 568 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 581 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 596 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 618 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 723 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 741 of file mpegts.c.

Referenced by mpegts_push_data(), and pmt_cb().

static void reset_pes_packet_state ( PESContext *  pes )
static

Definition at line 806 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 815 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 846 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 853 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 921 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 1175 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 1211 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

Definition at line 1233 of file mpegts.c.

Referenced by parse_mp4_descr(), parse_mp4_descr_arr(), parse_MP4ESDescrTag(), parse_MP4IODescrTag(), and parse_MP4ODescrTag().

static int parse_mp4_descr ( MP4DescrParseContext *  d,
int64_t  off,
int  len,
int  target_tag 
)
static

Definition at line 1351 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 1243 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 1254 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1266 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1280 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1298 of file mpegts.c.

Referenced by parse_mp4_descr().

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

Definition at line 1312 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 1400 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 1416 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 1432 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] 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 1498 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 1716 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 1882 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 1952 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

Definition at line 2340 of file mpegts.c.

Referenced by handle_packet(), mpegts_get_pcr(), mpegts_raw_read_packet(), and mpegts_read_header().

static int handle_packet ( MpegTSContext *  ts,
const uint8_t *  packet 
)
static

Definition at line 2036 of file mpegts.c.

Referenced by avpriv_mpegts_parse_packet(), and handle_packets().

static void reanalyze ( MpegTSContext *  ts )
static

Definition at line 2160 of file mpegts.c.

Referenced by mpegts_resync().

static int mpegts_resync ( AVFormatContext *  s )
static

Definition at line 2195 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 2218 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 2245 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 2253 of file mpegts.c.

Referenced by mpegts_read_header(), and mpegts_read_packet().

static int mpegts_probe ( AVProbeData *  p )
static

Definition at line 2304 of file mpegts.c.

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

Definition at line 2366 of file mpegts.c.

Referenced by mpegts_read_header().

static int mpegts_read_header ( AVFormatContext *  s )
static

Definition at line 2375 of file mpegts.c.

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

Definition at line 2472 of file mpegts.c.

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

Definition at line 2520 of file mpegts.c.

static void mpegts_free ( MpegTSContext *  ts )
static

Definition at line 2548 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 2559 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 2566 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 2601 of file mpegts.c.

MpegTSContext* avpriv_mpegts_parse_open ( AVFormatContext *  s )

Definition at line 2636 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 2655 of file mpegts.c.

Referenced by iec61883_parse_queue_hdv(), and mpegts_handle_packet().

void avpriv_mpegts_parse_close ( MpegTSContext *  ts )

Definition at line 2680 of file mpegts.c.

Referenced by ff_rtsp_close_streams(), iec61883_close(), and mpegts_free_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,
{"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 },
}

Definition at line 161 of file mpegts.c.

const AVClass mpegts_class
static
Initial value:
= {
.class_name = "mpegts demuxer",
.item_name = av_default_item_name,
.option = options,
}

Definition at line 174 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 },
}

Definition at line 181 of file mpegts.c.

const AVClass mpegtsraw_class
static
Initial value:
= {
.class_name = "mpegtsraw demuxer",
.item_name = av_default_item_name,
.option = raw_options,
}

Definition at line 193 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,
}

Definition at line 2686 of file mpegts.c.

const StreamType ISO_types[]
static
Initial value:
= {
{ 0 },
}

Definition at line 653 of file mpegts.c.

const StreamType HDMV_types[]
static
Initial value:
= {
{ 0 },
}

Definition at line 673 of file mpegts.c.

const StreamType MISC_types[]
static
Initial value:
= {
{ 0 },
}

Definition at line 688 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 },
{ 0 },
}

Definition at line 694 of file mpegts.c.

const StreamType METADATA_types[]
static
Initial value:
= {
{ 0 },
}

Definition at line 707 of file mpegts.c.

const StreamType DESC_types[]
static
Initial value:
= {
{ 0 },
}

Definition at line 714 of file mpegts.c.

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,
}

Definition at line 2699 of file mpegts.c.

Generated on Sun Sep 14 2014 18:56:32 for FFmpeg by   doxygen 1.8.2

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