vc1dec.c File Reference

VC-1 and WMV3 decoder. More...

#include "avcodec.h"
#include "blockdsp.h"
#include "get_bits.h"
#include "hwaccel.h"
#include "internal.h"
#include "mpeg_er.h"
#include "mpegvideo.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
#include "profiles.h"
#include "vc1.h"
#include "vc1data.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Macros
#define	transpose(x)   (((x) >> 3) | (((x) & 7) << 3))

Functions
av_cold int	ff_vc1_decode_init_alloc_tables (VC1Context *v)
av_cold void	ff_vc1_init_transposed_scantables (VC1Context *v)
static av_cold int	vc1_decode_init (AVCodecContext *avctx)
	Initialize a VC1/WMV3 decoder. More...
av_cold int	ff_vc1_decode_end (AVCodecContext *avctx)
	Close a VC1/WMV3 decoder. More...
static int	vc1_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
	Decode a VC1/WMV3 frame. More...

Variables
static enum AVPixelFormat	vc1_hwaccel_pixfmt_list_420 []
AVCodec	ff_vc1_decoder

Detailed Description

VC-1 and WMV3 decoder.

Definition in file vc1dec.c.

Macro Definition Documentation

transpose

#define transpose

(

x

)

(((x) >> 3) | (((x) & 7) << 3))

Referenced by ff_vc1_init_transposed_scantables().

Function Documentation

ff_vc1_decode_init_alloc_tables()

av_cold int ff_vc1_decode_init_alloc_tables

(

VC1Context *

v

)

Definition at line 324 of file vc1dec.c.

Referenced by vc1_decode_frame(), vc1_decode_init(), and wmv9_init().

ff_vc1_init_transposed_scantables()

av_cold void ff_vc1_init_transposed_scantables

(

VC1Context *

v

)

Definition at line 403 of file vc1dec.c.

Referenced by vc1_decode_init(), and wmv9_init().

vc1_decode_init()

static av_cold int vc1_decode_init ( AVCodecContext *  avctx )

static

Initialize a VC1/WMV3 decoder.

Todo:

TODO: Handle VC-1 IDUs (Transport level?)

TODO: Decipher remaining bits in extra_data

Definition at line 422 of file vc1dec.c.

ff_vc1_decode_end()

av_cold int ff_vc1_decode_end

(

AVCodecContext *

avctx

)

Close a VC1/WMV3 decoder.

Warning

Initial try at using MpegEncContext stuff

Definition at line 587 of file vc1dec.c.

Referenced by ff_vc1_decode_init_alloc_tables(), mss2_decode_end(), vc1_decode_frame(), and vc1_decode_init().

vc1_decode_frame()

static int vc1_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Decode a VC1/WMV3 frame.

Todo:

TODO: Handle VC-1 IDUs (Transport level?)

Definition at line 622 of file vc1dec.c.

Variable Documentation

vc1_hwaccel_pixfmt_list_420

enum AVPixelFormat vc1_hwaccel_pixfmt_list_420[]

static

Initial value:

= {
















    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NONE
}

Definition at line 1115 of file vc1dec.c.

ff_vc1_decoder

AVCodec ff_vc1_decoder

Definition at line 1136 of file vc1dec.c.