libavformat/dv.c File Reference

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

Go to the source code of this file.

Data Structures
struct	DVDemuxContext
struct	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)
static int	dv_extract_timecode (DVDemuxContext *c, uint8_t *frame, char *tc)
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, int64_t pos)
static int64_t	dv_frame_offset (AVFormatContext *s, DVDemuxContext *c, int64_t timestamp, int flags)
void	ff_dv_offset_reset (DVDemuxContext *c, int64_t frame_offset)
static int	dv_read_timecode (AVFormatContext *s)
static int	dv_read_header (AVFormatContext *s)
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
static const int	dv_audio_frequency [3]

---

Function Documentation

int avpriv_dv_get_packet	(	DVDemuxContext *	c,
		AVPacket *	pkt
	)

Definition at line 333 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 310 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,
		int64_t	pos
	)

Definition at line 350 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 54 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 115 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 204 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 79 of file dv.c.

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

static int dv_extract_timecode	(	DVDemuxContext *	c,
		uint8_t *	frame,
		char *	tc
	)			[static]

Definition at line 290 of file dv.c.

Referenced by dv_read_timecode().

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

Definition at line 263 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 402 of file dv.c.

Referenced by dv_read_seek().

static int dv_probe

(

AVProbeData *

p

)

[static]

Definition at line 558 of file dv.c.

static int dv_read_close

(

AVFormatContext *

s

)

[static]

Definition at line 551 of file dv.c.

static int dv_read_header

(

AVFormatContext *

s

)

[static]

Definition at line 470 of file dv.c.

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

Definition at line 516 of file dv.c.

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

Definition at line 537 of file dv.c.

static int dv_read_timecode

(

AVFormatContext *

s

)

[static]

Definition at line 438 of file dv.c.

void ff_dv_offset_reset	(	DVDemuxContext *	c,
		int64_t	frame_offset
	)

Definition at line 419 of file dv.c.

Referenced by avi_read_seek(), and dv_read_seek().

---

Variable Documentation

const int dv_audio_frequency[3] [static]

Initial value:

 {
    48000, 44100, 32000,
}

Definition at line 103 of file dv.c.

Referenced by dv_extract_audio(), and dv_extract_audio_info().