libavformat/mpeg.c File Reference

#include "avformat.h"
#include "internal.h"
#include "mpeg.h"
#include <assert.h>

Go to the source code of this file.

Data Structures

struct  MpegDemuxContext

Defines

#define MAX_SYNC_SIZE   100000

Functions

static int check_pes (uint8_t *p, uint8_t *end)
static int check_pack_header (const uint8_t *buf)
static int mpegps_probe (AVProbeData *p)
static int mpegps_read_header (AVFormatContext *s)
static int64_t get_pts (AVIOContext *pb, int c)
static int find_next_start_code (AVIOContext *pb, int *size_ptr, int32_t *header_state)
static long mpegps_psm_parse (MpegDemuxContext *m, AVIOContext *pb)
 Extract stream types from a program stream map According to ISO/IEC 13818-1 ('MPEG-2 Systems') table 2-35.
static int mpegps_read_pes_header (AVFormatContext *s, int64_t *ppos, int *pstart_code, int64_t *ppts, int64_t *pdts)
static int mpegps_read_packet (AVFormatContext *s, AVPacket *pkt)
static int64_t mpegps_read_dts (AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)

Variables

AVInputFormat ff_mpegps_demuxer


Define Documentation

#define MAX_SYNC_SIZE   100000

Definition at line 32 of file mpeg.c.

Referenced by mpegps_read_pes_header().


Function Documentation

static int check_pack_header ( const uint8_t buf  )  [static]

Definition at line 52 of file mpeg.c.

Referenced by mpegps_probe().

static int check_pes ( uint8_t p,
uint8_t end 
) [static]

Definition at line 34 of file mpeg.c.

Referenced by mpegps_probe().

static int find_next_start_code ( AVIOContext pb,
int size_ptr,
int32_t *  header_state 
) [static]

Definition at line 144 of file mpeg.c.

Referenced by mpegps_read_pes_header().

static int64_t get_pts ( AVIOContext pb,
int  c 
) [static]

Definition at line 134 of file mpeg.c.

static int mpegps_probe ( AVProbeData p  )  [static]

Definition at line 56 of file mpeg.c.

static long mpegps_psm_parse ( MpegDemuxContext m,
AVIOContext pb 
) [static]

Extract stream types from a program stream map According to ISO/IEC 13818-1 ('MPEG-2 Systems') table 2-35.

Returns:
number of bytes occupied by PSM in the bitstream

Definition at line 177 of file mpeg.c.

Referenced by mpegps_read_pes_header().

static int64_t mpegps_read_dts ( AVFormatContext s,
int  stream_index,
int64_t *  ppos,
int64_t  pos_limit 
) [static]

Definition at line 541 of file mpeg.c.

static int mpegps_read_header ( AVFormatContext s  )  [static]

Definition at line 109 of file mpeg.c.

static int mpegps_read_packet ( AVFormatContext s,
AVPacket pkt 
) [static]

Definition at line 372 of file mpeg.c.

static int mpegps_read_pes_header ( AVFormatContext s,
int64_t *  ppos,
int pstart_code,
int64_t *  ppts,
int64_t *  pdts 
) [static]

Definition at line 208 of file mpeg.c.

Referenced by mpegps_read_dts(), and mpegps_read_packet().


Variable Documentation

Initial value:

 {
    .name           = "mpeg",
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-PS (MPEG-2 Program Stream)"),
    .priv_data_size = sizeof(MpegDemuxContext),
    .read_probe     = mpegps_probe,
    .read_header    = mpegps_read_header,
    .read_packet    = mpegps_read_packet,
    .read_timestamp = mpegps_read_dts,
    .flags          = AVFMT_SHOW_IDS | AVFMT_TS_DISCONT,
}

Definition at line 569 of file mpeg.c.


Generated on Fri Oct 26 02:50:11 2012 for FFmpeg by  doxygen 1.5.8