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xmv.c File Reference

Microsoft XMV demuxer. More...

#include <inttypes.h>
#include "libavutil/intreadwrite.h"
#include "avformat.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. 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...
 
#define XMV_BLOCK_ALIGN_SIZE   36
 

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_MIN_HEADER_SIZE   36

The min size of an XMV header.

Definition at line 38 of file xmv.c.

Referenced by xmv_probe().

#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_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_REARLEFTRIGHT   4

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

Definition at line 45 of file xmv.c.

#define XMV_AUDIO_ADPCM51
Value:
#define XMV_AUDIO_ADPCM51_REARLEFTRIGHT
Audio flag: ADPCM'd 5.1 stream, rear left / right channels.
Definition: xmv.c:45
#define XMV_AUDIO_ADPCM51_FRONTLEFTRIGHT
Audio flag: ADPCM'd 5.1 stream, front left / right channels.
Definition: xmv.c:41
#define XMV_AUDIO_ADPCM51_FRONTCENTERLOW
Audio flag: ADPCM'd 5.1 stream, front center / low frequency channels.
Definition: xmv.c:43

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_BLOCK_ALIGN_SIZE   36

Definition at line 52 of file xmv.c.

Referenced by xmv_read_header().

Function Documentation

static int xmv_probe ( AVProbeData p)
static

Definition at line 118 of file xmv.c.

static int xmv_read_close ( AVFormatContext s)
static

Definition at line 135 of file xmv.c.

Referenced by xmv_read_header().

static int xmv_read_header ( AVFormatContext s)
static

Definition at line 144 of file xmv.c.

static void xmv_read_extradata ( uint8_t extradata,
AVIOContext pb 
)
static

Definition at line 236 of file xmv.c.

Referenced by xmv_process_packet_header().

static int xmv_process_packet_header ( AVFormatContext s)
static

Definition at line 265 of file xmv.c.

Referenced by xmv_fetch_new_packet().

static int xmv_fetch_new_packet ( AVFormatContext s)
static

Definition at line 414 of file xmv.c.

Referenced by xmv_read_packet().

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

Definition at line 444 of file xmv.c.

Referenced by xmv_read_packet().

static int xmv_fetch_video_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 490 of file xmv.c.

Referenced by xmv_read_packet().

static int xmv_read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 549 of file xmv.c.

Variable Documentation

AVInputFormat ff_xmv_demuxer
Initial value:
= {
.name = "xmv",
.long_name = NULL_IF_CONFIG_SMALL("Microsoft XMV"),
.extensions = "xmv",
.priv_data_size = sizeof(XMVDemuxContext),
}
static int xmv_probe(AVProbeData *p)
Definition: xmv.c:118
static int xmv_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: xmv.c:549
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
Context for demuxing an XMV file.
Definition: xmv.c:98
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static int xmv_read_header(AVFormatContext *s)
Definition: xmv.c:144
static int read_probe(AVProbeData *pd)
Definition: jvdec.c:55
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:528
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
Definition: avio_reading.c:42
static int xmv_read_close(AVFormatContext *s)
Definition: xmv.c:135

Definition at line 588 of file xmv.c.