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
Typedefs
typedef struct MpegDemuxContext	MpegDemuxContext
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, AVFormatParameters *ap)
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.

---

Typedef Documentation

typedef struct MpegDemuxContext MpegDemuxContext

---

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 140 of file mpeg.c.

Referenced by mpegps_read_pes_header().

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

Definition at line 130 of file mpeg.c.

Referenced by mpegps_read_pes_header().

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 208 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 582 of file mpeg.c.

static int mpegps_read_header	(	AVFormatContext *	s,
		AVFormatParameters *	ap
	)			[static]

Definition at line 107 of file mpeg.c.

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

Definition at line 421 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 239 of file mpeg.c.

Referenced by mpegps_read_dts(), and mpegps_read_packet().

---

Variable Documentation

AVInputFormat ff_mpegps_demuxer

Initial value:

 {
    .name           = "mpeg",
    .long_name      = NULL_IF_CONFIG_SMALL("MPEG-PS format"),
    .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 610 of file mpeg.c.