vc1dec.c File Reference

VC-1 and WMV3 decoder. More...

#include "avcodec.h"
#include "blockdsp.h"
#include "get_bits.h"
#include "internal.h"
#include "mpeg_er.h"
#include "mpegvideo.h"
#include "msmpeg4data.h"
#include "vc1.h"
#include "vc1data.h"
#include "vdpau_internal.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.
av_cold int	ff_vc1_decode_end (AVCodecContext *avctx)
	Close a VC1/WMV3 decoder.
static int	vc1_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
	Decode a VC1/WMV3 frame.

Variables
static const AVProfile	profiles []
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

#define transpose

(

x

)

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

Function Documentation

av_cold int ff_vc1_decode_init_alloc_tables

(

VC1Context *

v

)

Definition at line 322 of file vc1dec.c.

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

av_cold void ff_vc1_init_transposed_scantables

(

VC1Context *

v

)

Definition at line 398 of file vc1dec.c.

Referenced by vc1_decode_init(), and wmv9_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: Decypher remaining bits in extra_data

Definition at line 417 of file vc1dec.c.

av_cold int ff_vc1_decode_end

(

AVCodecContext *

avctx

)

Close a VC1/WMV3 decoder.

Warning

Initial try at using MpegEncContext stuff

Definition at line 572 of file vc1dec.c.

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

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 607 of file vc1dec.c.

Variable Documentation

const AVProfile profiles[]

static

Initial value:

= {
    { FF_PROFILE_VC1_SIMPLE,   "Simple"   },
    { FF_PROFILE_VC1_MAIN,     "Main"     },
    { FF_PROFILE_VC1_COMPLEX,  "Complex"  },
    { FF_PROFILE_VC1_ADVANCED, "Advanced" },
    { FF_PROFILE_UNKNOWN },
}

Definition at line 1059 of file vc1dec.c.

enum AVPixelFormat vc1_hwaccel_pixfmt_list_420[]

static

Initial value:

= {









    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NONE
}

Definition at line 1067 of file vc1dec.c.

AVCodec ff_vc1_decoder

Initial value:

= {
    .name           = "vc1",
    .long_name      = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_VC1,
    .priv_data_size = sizeof(VC1Context),
    .init           = vc1_decode_init,
    .close          = ff_vc1_decode_end,
    .decode         = vc1_decode_frame,
    .flush          = ff_mpeg_flush,
    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
    .pix_fmts       = vc1_hwaccel_pixfmt_list_420,
    .profiles       = NULL_IF_CONFIG_SMALL(profiles)
}

Definition at line 1081 of file vc1dec.c.