libavformat/dv.c File Reference

#include <time.h>
#include "avformat.h"
#include "internal.h"
#include "libavcodec/dvdata.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "dv.h"

Go to the source code of this file.

Data Structures
struct	DVDemuxContext
struct	RawDVContext
Typedefs
typedef struct RawDVContext	RawDVContext
Functions
static uint16_t	dv_audio_12to16 (uint16_t sample)
static const uint8_t *	dv_extract_pack (uint8_t *frame, enum dv_pack_type t)
static int	dv_extract_audio (uint8_t *frame, uint8_t *ppcm[4], const DVprofile *sys)
static int	dv_extract_audio_info (DVDemuxContext *c, uint8_t *frame)
static int	dv_extract_video_info (DVDemuxContext *c, uint8_t *frame)
DVDemuxContext *	avpriv_dv_init_demux (AVFormatContext *s)
int	avpriv_dv_get_packet (DVDemuxContext *c, AVPacket *pkt)
int	avpriv_dv_produce_packet (DVDemuxContext *c, AVPacket *pkt, uint8_t *buf, int buf_size)
static int64_t	dv_frame_offset (AVFormatContext *s, DVDemuxContext *c, int64_t timestamp, int flags)
void	dv_offset_reset (DVDemuxContext *c, int64_t frame_offset)
static int	dv_read_header (AVFormatContext *s, AVFormatParameters *ap)
static int	dv_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	dv_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
static int	dv_read_close (AVFormatContext *s)
static int	dv_probe (AVProbeData *p)
Variables
AVInputFormat	ff_dv_demuxer

---

Typedef Documentation

typedef struct RawDVContext RawDVContext

---

Function Documentation

int avpriv_dv_get_packet	(	DVDemuxContext *	c,
		AVPacket *	pkt
	)

Definition at line 317 of file dv.c.

Referenced by avi_read_packet(), dv1394_read_packet(), dv_read_packet(), and mov_read_packet().

DVDemuxContext* avpriv_dv_init_demux

(

AVFormatContext *

s

)

Definition at line 288 of file dv.c.

Referenced by avi_read_header(), dv1394_read_header(), dv_read_header(), and ff_mov_read_stsd_entries().

int avpriv_dv_produce_packet	(	DVDemuxContext *	c,
		AVPacket *	pkt,
		uint8_t *	buf,
		int	buf_size
	)

Definition at line 334 of file dv.c.

Referenced by dv1394_read_packet(), dv_read_packet(), and mov_read_packet().

static uint16_t dv_audio_12to16

(

uint16_t

sample

)

[inline, static]

Definition at line 51 of file dv.c.

Referenced by dv_extract_audio().

static int dv_extract_audio	(	uint8_t *	frame,
		uint8_t *	ppcm[4],
		const DVprofile *	sys
	)			[static]

Definition at line 105 of file dv.c.

Referenced by avpriv_dv_produce_packet().

static int dv_extract_audio_info	(	DVDemuxContext *	c,
		uint8_t *	frame
	)			[static]

Definition at line 193 of file dv.c.

Referenced by avpriv_dv_produce_packet().

static const uint8_t* dv_extract_pack	(	uint8_t *	frame,
		enum dv_pack_type	t
	)			[static]

Definition at line 76 of file dv.c.

Referenced by dv_extract_audio(), dv_extract_audio_info(), and dv_extract_video_info().

static int dv_extract_video_info	(	DVDemuxContext *	c,
		uint8_t *	frame
	)			[static]

Definition at line 252 of file dv.c.

Referenced by avpriv_dv_produce_packet().

static int64_t dv_frame_offset	(	AVFormatContext *	s,
		DVDemuxContext *	c,
		int64_t	timestamp,
		int	flags
	)			[static]

Definition at line 384 of file dv.c.

Referenced by dv_read_seek().

void dv_offset_reset	(	DVDemuxContext *	c,
		int64_t	frame_offset
	)

Definition at line 401 of file dv.c.

Referenced by avi_read_seek(), and dv_read_seek().

static int dv_probe

(

AVProbeData *

p

)

[static]

Definition at line 504 of file dv.c.

static int dv_read_close

(

AVFormatContext *

s

)

[static]

Definition at line 497 of file dv.c.

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

Definition at line 420 of file dv.c.

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

Definition at line 464 of file dv.c.

static int dv_read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	timestamp,
		int	flags
	)			[static]

Definition at line 484 of file dv.c.

---

Variable Documentation

AVInputFormat ff_dv_demuxer

Initial value:

 {
    .name           = "dv",
    .long_name      = NULL_IF_CONFIG_SMALL("DV video format"),
    .priv_data_size = sizeof(RawDVContext),
    .read_probe     = dv_probe,
    .read_header    = dv_read_header,
    .read_packet    = dv_read_packet,
    .read_close     = dv_read_close,
    .read_seek      = dv_read_seek,
    .extensions = "dv,dif",
}

Definition at line 538 of file dv.c.