vc1dec.c File Reference

#include "config_components.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "codec_internal.h"
#include "decode.h"
#include "get_bits.h"
#include "h263dec.h"
#include "hwaccel_internal.h"
#include "hwconfig.h"
#include "mpeg_er.h"
#include "mpegvideo.h"
#include "mpegvideodec.h"
#include "msmpeg4_vc1_data.h"
#include "profiles.h"
#include "simple_idct.h"
#include "vc1.h"
#include "vc1data.h"
#include "vc1_vlc_data.h"
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/thread.h"

Go to the source code of this file.

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

Functions
static av_cold int	vc1_decode_init_alloc_tables (VC1Context *v)
static enum AVPixelFormat	vc1_get_format (AVCodecContext *avctx)
av_cold int	ff_vc1_decode_init (AVCodecContext *avctx)
av_cold void	ff_vc1_init_transposed_scantables (VC1Context *v)
static av_cold void	vc1_init_static (void)
av_cold void	ff_vc1_init_common (VC1Context *v)
	Init VC-1 specific tables and VC1Context members. More...
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, AVFrame *pict, int *got_frame, AVPacket *avpkt)
	Decode a VC1/WMV3 frame. More...

Variables
static const uint16_t	vlc_offs []
static enum AVPixelFormat	vc1_hwaccel_pixfmt_list_420 []
const FFCodec	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))

Function Documentation

vc1_decode_init_alloc_tables()

static av_cold int vc1_decode_init_alloc_tables ( VC1Context *  v )

static

Definition at line 334 of file vc1dec.c.

Referenced by ff_vc1_decode_init().

vc1_get_format()

static enum AVPixelFormat vc1_get_format ( AVCodecContext *  avctx )

static

Definition at line 409 of file vc1dec.c.

Referenced by ff_vc1_decode_init().

ff_vc1_decode_init()

av_cold int ff_vc1_decode_init

(

AVCodecContext *

avctx

)

Definition at line 423 of file vc1dec.c.

Referenced by vc1_decode_frame(), and wmv9_init().

ff_vc1_init_transposed_scantables()

av_cold void ff_vc1_init_transposed_scantables

(

VC1Context *

v

)

Definition at line 457 of file vc1dec.c.

Referenced by vc1_decode_init(), and wmv9_init().

vc1_init_static()

static av_cold void vc1_init_static ( void  )

static

Definition at line 482 of file vc1dec.c.

Referenced by ff_vc1_init_common().

ff_vc1_init_common()

av_cold void ff_vc1_init_common

(

VC1Context *

v

)

Init VC-1 specific tables and VC1Context members.

Parameters

v	The VC1Context to initialize

Returns

Status

Definition at line 597 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 625 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 789 of file vc1dec.c.

Referenced by ff_vc1_decode_init(), mss2_decode_end(), and vc1_decode_frame().

vc1_decode_frame()

static int vc1_decode_frame ( AVCodecContext *  avctx, AVFrame *  pict, int *  got_frame, AVPacket *  avpkt  )

static

Decode a VC1/WMV3 frame.

Todo:

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

Definition at line 822 of file vc1dec.c.

Variable Documentation

vlc_offs

const uint16_t vlc_offs[]

static

Initial value:

= {
        0,   520,   552,   616,  1128,  1160,  1224,  1740,  1772,  1836,  1900,  2436,
     2986,  3050,  3610,  4154,  4218,  4746,  5326,  5390,  5902,  6554,  7658,  8342,
     9304,  9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522,
    20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980,
    27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866,
    29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186,
    31714, 31746, 31778, 32306, 32340, 32372
}

Definition at line 472 of file vc1dec.c.

Referenced by vc1_init_static().

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 1398 of file vc1dec.c.

ff_vc1_decoder

const FFCodec ff_vc1_decoder

Definition at line 1419 of file vc1dec.c.