xmv.c File Reference

Microsoft XMV demuxer. More...

#include <inttypes.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "avformat.h"
#include "avio_internal.h"
#include "demux.h"
#include "internal.h"
#include "riff.h"
#include "libavutil/avassert.h"

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.
#define	XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT   1
	Audio flag: ADPCM'd 5.1 stream, front left / right channels.
#define	XMV_AUDIO_ADPCM51_FRONTCENTERLOW   2
	Audio flag: ADPCM'd 5.1 stream, front center / low frequency channels.
#define	XMV_AUDIO_ADPCM51_REARLEFTRIGHT   4
	Audio flag: ADPCM'd 5.1 stream, rear left / right channels.
#define	XMV_AUDIO_ADPCM51
	Audio flag: Any of the ADPCM'd 5.1 stream flags.
#define	XMV_BLOCK_ALIGN_SIZE   36

Functions
static int	xmv_probe (const 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
const FFInputFormat	ff_xmv_demuxer

Detailed Description

Microsoft XMV demuxer.

Definition in file xmv.c.

Macro Definition Documentation

XMV_MIN_HEADER_SIZE

#define XMV_MIN_HEADER_SIZE   36

The min size of an XMV header.

Definition at line 41 of file xmv.c.

Referenced by xmv_probe().

XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT

#define XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT   1

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

Definition at line 44 of file xmv.c.

XMV_AUDIO_ADPCM51_FRONTCENTERLOW

#define XMV_AUDIO_ADPCM51_FRONTCENTERLOW   2

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

Definition at line 46 of file xmv.c.

XMV_AUDIO_ADPCM51_REARLEFTRIGHT

#define XMV_AUDIO_ADPCM51_REARLEFTRIGHT   4

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

Definition at line 48 of file xmv.c.

XMV_AUDIO_ADPCM51

#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 51 of file xmv.c.

Referenced by xmv_read_header().

XMV_BLOCK_ALIGN_SIZE

#define XMV_BLOCK_ALIGN_SIZE   36

Definition at line 55 of file xmv.c.

Referenced by xmv_read_header().

Function Documentation

xmv_probe()

static int xmv_probe ( const AVProbeData * p )

static

Definition at line 118 of file xmv.c.

xmv_read_close()

static int xmv_read_close ( AVFormatContext * s )

static

Definition at line 135 of file xmv.c.

xmv_read_header()

static int xmv_read_header ( AVFormatContext * s )

static

Definition at line 144 of file xmv.c.

xmv_read_extradata()

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

static

Definition at line 228 of file xmv.c.

Referenced by xmv_process_packet_header().

xmv_process_packet_header()

static int xmv_process_packet_header ( AVFormatContext * s )

static

Definition at line 257 of file xmv.c.

Referenced by xmv_fetch_new_packet().

xmv_fetch_new_packet()

static int xmv_fetch_new_packet ( AVFormatContext * s )

static

Definition at line 404 of file xmv.c.

Referenced by xmv_read_packet().

xmv_fetch_audio_packet()

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

static

Definition at line 434 of file xmv.c.

Referenced by xmv_read_packet().

xmv_fetch_video_packet()

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

static

Definition at line 469 of file xmv.c.

Referenced by xmv_read_packet().

xmv_read_packet()

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

static

Definition at line 528 of file xmv.c.

Variable Documentation

ff_xmv_demuxer

const FFInputFormat ff_xmv_demuxer

Initial value:

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

Definition at line 567 of file xmv.c.