vc1_block.c File Reference

VC-1 and WMV3 block decoding routines. More...

#include "avcodec.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "msmpeg4data.h"
#include "unary.h"
#include "vc1.h"
#include "vc1_pred.h"
#include "vc1acdata.h"
#include "vc1data.h"

Macros
#define	MB_INTRA_VLC_BITS   9
#define	DC_VLC_BITS   9
#define	inc_blk_idx(idx)

Functions
void	ff_vc1_decode_blocks (VC1Context *v)
VC-1 Bitplane decoding
See also 8.7, p56
VC1 Macroblock-level functions in Simple/Main Profiles
See also 7.1.4, p91 and 8.1.1.7, p(1)04

VC-1 Block-level functions
See also 7.1.4, p91 and 8.1.1.7, p(1)04
#define	GET_MQUANT()
	Get macroblock-level quantizer scale.
#define	GET_MVDATA(_dmv_x, _dmv_y)
	Get MV differentials. More...

Detailed Description

VC-1 and WMV3 block decoding routines.

Macro Definition Documentation

GET_MVDATA

#define GET_MVDATA	(		_dmv_x,
			_dmv_y
	)

Get MV differentials.

See also

MVDATA decoding from 8.3.5.2, p(1)20

Parameters

_dmv_x	Horizontal differential for decoded MV
_dmv_y	Vertical differential for decoded MV

inc_blk_idx

#define inc_blk_idx

(

idx

)

Value:

do { \
        idx++; \
        if (idx >= v->n_allocated_blks) \
            idx = 0; \
    } while (0)