xmv.c File Reference

Microsoft XMV demuxer. More...

#include <stdint.h>
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "internal.h"
#include "riff.h"
#include "libavutil/avassert.h"

Include dependency graph for xmv.c:

Go to the source code of this file.

Data Structures
struct	XMVVideoPacket
	A video packet with an XMV file. More...
struct	XMVAudioPacket
	An audio packet with an XMV file. More...
struct	XMVDemuxContext
	Context for demuxing an XMV file. More...

Macros
#define	XMV_MIN_HEADER_SIZE   36
	The min size of an XMV header. More...
#define	XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT   1
	Audio flag: ADPCM'd 5.1 stream, front left / right channels. More...
#define	XMV_AUDIO_ADPCM51_FRONTCENTERLOW   2
	Audio flag: ADPCM'd 5.1 stream, front center / low frequency channels. More...
#define	XMV_AUDIO_ADPCM51_REARLEFTRIGHT   4
	Audio flag: ADPCM'd 5.1 stream, rear left / right channels. More...
#define	XMV_AUDIO_ADPCM51
	Audio flag: Any of the ADPCM'd 5.1 stream flags. More...

Typedefs
typedef struct XMVVideoPacket	XMVVideoPacket
	A video packet with an XMV file. More...
typedef struct XMVAudioPacket	XMVAudioPacket
	An audio packet with an XMV file. More...
typedef struct XMVDemuxContext	XMVDemuxContext
	Context for demuxing an XMV file. More...

Functions
static int	xmv_probe (AVProbeData *p)
static int	xmv_read_close (AVFormatContext *s)
static int	xmv_read_header (AVFormatContext *s)
static void	xmv_read_extradata (uint8_t *extradata, AVIOContext *pb)
static int	xmv_process_packet_header (AVFormatContext *s)
static int	xmv_fetch_new_packet (AVFormatContext *s)
static int	xmv_fetch_audio_packet (AVFormatContext *s, AVPacket *pkt, uint32_t stream)
static int	xmv_fetch_video_packet (AVFormatContext *s, AVPacket *pkt)
static int	xmv_read_packet (AVFormatContext *s, AVPacket *pkt)

Variables
AVInputFormat	ff_xmv_demuxer

Detailed Description

Microsoft XMV demuxer.

Definition in file xmv.c.

Macro Definition Documentation

#define XMV_AUDIO_ADPCM51

Value:

(XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT | \
                           XMV_AUDIO_ADPCM51_FRONTCENTERLOW | \
                           XMV_AUDIO_ADPCM51_REARLEFTRIGHT)

Audio flag: Any of the ADPCM'd 5.1 stream flags.

Definition at line 48 of file xmv.c.

Referenced by xmv_read_header().

#define XMV_AUDIO_ADPCM51_FRONTCENTERLOW   2

Audio flag: ADPCM'd 5.1 stream, front center / low frequency channels.

Definition at line 43 of file xmv.c.

#define XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT   1

Audio flag: ADPCM'd 5.1 stream, front left / right channels.

Definition at line 41 of file xmv.c.

#define XMV_AUDIO_ADPCM51_REARLEFTRIGHT   4

Audio flag: ADPCM'd 5.1 stream, rear left / right channels.

Definition at line 45 of file xmv.c.

#define XMV_MIN_HEADER_SIZE   36

The min size of an XMV header.

Definition at line 38 of file xmv.c.

Referenced by xmv_probe().

Typedef Documentation

typedef struct XMVAudioPacket XMVAudioPacket

An audio packet with an XMV file.

typedef struct XMVDemuxContext XMVDemuxContext

Context for demuxing an XMV file.

typedef struct XMVVideoPacket XMVVideoPacket

A video packet with an XMV file.

Function Documentation

static int xmv_fetch_audio_packet ( AVFormatContext *  s, AVPacket *  pkt, uint32_t  stream  )

static

Definition at line 426 of file xmv.c.

Referenced by xmv_read_packet().

static int xmv_fetch_new_packet ( AVFormatContext *  s )

static

Definition at line 396 of file xmv.c.

Referenced by xmv_read_packet().

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

static

Definition at line 472 of file xmv.c.

Referenced by xmv_read_packet().

static int xmv_probe ( AVProbeData *  p )

static

Definition at line 110 of file xmv.c.

static int xmv_process_packet_header ( AVFormatContext *  s )

static

Definition at line 290 of file xmv.c.

Referenced by xmv_fetch_new_packet().

static int xmv_read_close ( AVFormatContext *  s )

static

Definition at line 127 of file xmv.c.

Referenced by xmv_read_header().

static void xmv_read_extradata ( uint8_t *  extradata, AVIOContext *  pb  )

static

Definition at line 261 of file xmv.c.

Referenced by xmv_process_packet_header().

static int xmv_read_header ( AVFormatContext *  s )

static

Definition at line 136 of file xmv.c.

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

static

Definition at line 531 of file xmv.c.

Variable Documentation

AVInputFormat ff_xmv_demuxer

Initial value:

= {
    .name           = "xmv",
    .long_name      = NULL_IF_CONFIG_SMALL("Microsoft XMV"),
    .priv_data_size = sizeof(XMVDemuxContext),
    .read_probe     = xmv_probe,
    .read_header    = xmv_read_header,
    .read_packet    = xmv_read_packet,
    .read_close     = xmv_read_close,
}

Definition at line 569 of file xmv.c.