mpeg.c File Reference

#include "config_components.h"
#include "libavutil/channel_layout.h"
#include "avformat.h"
#include "avio_internal.h"
#include "demux.h"
#include "internal.h"
#include "mpeg.h"

Go to the source code of this file.

Data Structures
struct	MpegDemuxContext

Macros
#define	MAX_SYNC_SIZE   100000

Functions
static int	check_pes (const uint8_t *p, const uint8_t *end)
static int	check_pack_header (const uint8_t *buf)
static int	mpegps_probe (const 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. More...
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
const AVInputFormat	ff_mpegps_demuxer

Macro Definition Documentation

MAX_SYNC_SIZE

#define MAX_SYNC_SIZE   100000

Definition at line 34 of file mpeg.c.

Function Documentation

check_pes()

static int check_pes ( const uint8_t *  p, const uint8_t *  end  )

static

Definition at line 36 of file mpeg.c.

Referenced by mpegps_probe().

check_pack_header()

static int check_pack_header ( const uint8_t *  buf )

static

Definition at line 58 of file mpeg.c.

Referenced by mpegps_probe().

mpegps_probe()

static int mpegps_probe ( const AVProbeData *  p )

static

Definition at line 63 of file mpeg.c.

mpegps_read_header()

static int mpegps_read_header ( AVFormatContext *  s )

static

Definition at line 130 of file mpeg.c.

get_pts()

static int64_t get_pts ( AVIOContext *  pb, int  c  )

static

Definition at line 151 of file mpeg.c.

Referenced by mpegps_read_pes_header().

find_next_start_code()

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

static

Definition at line 164 of file mpeg.c.

Referenced by mpegps_read_pes_header().

mpegps_psm_parse()

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 198 of file mpeg.c.

Referenced by mpegps_read_pes_header().

mpegps_read_pes_header()

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

static

Definition at line 232 of file mpeg.c.

Referenced by mpegps_read_dts(), and mpegps_read_packet().

mpegps_read_packet()

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

static

Definition at line 479 of file mpeg.c.

mpegps_read_dts()

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

static

Definition at line 659 of file mpeg.c.

Variable Documentation

ff_mpegps_demuxer

const AVInputFormat ff_mpegps_demuxer

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 689 of file mpeg.c.