xmv.c File Reference

Microsoft XMV demuxer. More...

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

Go to the source code of this file.

Data Structures
struct	XMVAudioTrack
struct	XMVVideoPacket
struct	XMVAudioPacket
struct	XMVDemuxContext

Macros
#define	XMV_MIN_HEADER_SIZE   36
#define	XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT   1
#define	XMV_AUDIO_ADPCM51_FRONTCENTERLOW   2
#define	XMV_AUDIO_ADPCM51_REARLEFTRIGHT   4
#define	XMV_AUDIO_ADPCM51
#define	XMV_BLOCK_ALIGN_SIZE   36

Typedefs
typedef struct XMVAudioTrack	XMVAudioTrack
typedef struct XMVVideoPacket	XMVVideoPacket
typedef struct XMVAudioPacket	XMVAudioPacket
typedef struct XMVDemuxContext	XMVDemuxContext

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)

Definition at line 42 of file xmv.c.

Referenced by xmv_read_header().

#define XMV_AUDIO_ADPCM51_FRONTCENTERLOW   2

Definition at line 39 of file xmv.c.

#define XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT   1

Definition at line 38 of file xmv.c.

#define XMV_AUDIO_ADPCM51_REARLEFTRIGHT   4

Definition at line 40 of file xmv.c.

#define XMV_BLOCK_ALIGN_SIZE   36

Definition at line 46 of file xmv.c.

Referenced by xmv_read_header().

#define XMV_MIN_HEADER_SIZE   36

Definition at line 36 of file xmv.c.

Referenced by xmv_probe().

Typedef Documentation

typedef struct XMVAudioPacket XMVAudioPacket

typedef struct XMVAudioTrack XMVAudioTrack

typedef struct XMVDemuxContext XMVDemuxContext

typedef struct XMVVideoPacket XMVVideoPacket

Function Documentation

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

static

Definition at line 435 of file xmv.c.

Referenced by xmv_read_packet().

static int xmv_fetch_new_packet ( AVFormatContext *  s )

static

Definition at line 408 of file xmv.c.

Referenced by xmv_read_packet().

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

static

Definition at line 481 of file xmv.c.

Referenced by xmv_read_packet().

static int xmv_probe ( AVProbeData *  p )

static

Definition at line 114 of file xmv.c.

static int xmv_process_packet_header ( AVFormatContext *  s )

static

Carve up the audio data in frame_count slices

Definition at line 302 of file xmv.c.

Referenced by xmv_fetch_new_packet().

static int xmv_read_close ( AVFormatContext *  s )

static

Definition at line 131 of file xmv.c.

Referenced by xmv_read_header().

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

static

Definition at line 273 of file xmv.c.

Referenced by xmv_process_packet_header().

static int xmv_read_header ( AVFormatContext *  s )

static

Initialize the packet context

Definition at line 141 of file xmv.c.

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

static

Definition at line 540 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 578 of file xmv.c.