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vc1_pred.c File Reference

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

#include "mathops.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "vc1.h"
#include "vc1_pred.h"
#include "vc1data.h"

Go to the source code of this file.

Functions

static av_always_inline int scaleforsame_x (const VC1Context *v, int n, int dir)
 
static av_always_inline int scaleforsame_y (const VC1Context *v, int n, int dir)
 
static av_always_inline int scaleforopp_x (const VC1Context *v, int n)
 
static av_always_inline int scaleforopp_y (const VC1Context *v, int n, int dir)
 
static av_always_inline int scaleforsame (const VC1Context *v, int n, int dim, int dir)
 
static av_always_inline int scaleforopp (const VC1Context *v, int n, int dim, int dir)
 
void ff_vc1_pred_mv (VC1Context *v, int n, int dmv_x, int dmv_y, int mv1, int r_x, int r_y, uint8_t *is_intra, int pred_flag, int dir)
 Predict and set motion vector.
 
void ff_vc1_pred_mv_intfr (VC1Context *v, int n, int dmv_x, int dmv_y, int mvn, int r_x, int r_y, int dir)
 Predict and set motion vector for interlaced frame picture MBs.
 
void ff_vc1_pred_b_mv (VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mvtype)
 
void ff_vc1_pred_b_mv_intfi (VC1Context *v, int n, int *dmv_x, int *dmv_y, int mv1, int *pred_flag)
 

Detailed Description

VC-1 and WMV3 block decoding routines.

Definition in file vc1_pred.c.

Function Documentation

◆ scaleforsame_x()

static av_always_inline int scaleforsame_x ( const VC1Context * v,
int n,
int dir )
static

Definition at line 36 of file vc1_pred.c.

Referenced by scaleforsame().

◆ scaleforsame_y()

static av_always_inline int scaleforsame_y ( const VC1Context * v,
int n,
int dir )
static

Definition at line 69 of file vc1_pred.c.

Referenced by scaleforsame().

◆ scaleforopp_x()

static av_always_inline int scaleforopp_x ( const VC1Context * v,
int n )
static

Definition at line 106 of file vc1_pred.c.

Referenced by scaleforopp().

◆ scaleforopp_y()

static av_always_inline int scaleforopp_y ( const VC1Context * v,
int n,
int dir )
static

Definition at line 133 of file vc1_pred.c.

Referenced by scaleforopp().

◆ scaleforsame()

static av_always_inline int scaleforsame ( const VC1Context * v,
int n,
int dim,
int dir )
static

Definition at line 164 of file vc1_pred.c.

Referenced by ff_vc1_pred_mv().

◆ scaleforopp()

static av_always_inline int scaleforopp ( const VC1Context * v,
int n,
int dim,
int dir )
static

Definition at line 185 of file vc1_pred.c.

Referenced by ff_vc1_pred_mv().

◆ ff_vc1_pred_mv()

void ff_vc1_pred_mv ( VC1Context * v,
int n,
int dmv_x,
int dmv_y,
int mv1,
int r_x,
int r_y,
uint8_t * is_intra,
int pred_flag,
int dir )

Predict and set motion vector.

Definition at line 212 of file vc1_pred.c.

Referenced by ff_vc1_pred_b_mv_intfi(), vc1_decode_p_mb(), and vc1_decode_p_mb_intfi().

◆ ff_vc1_pred_mv_intfr()

void ff_vc1_pred_mv_intfr ( VC1Context * v,
int n,
int dmv_x,
int dmv_y,
int mvn,
int r_x,
int r_y,
int dir )

Predict and set motion vector for interlaced frame picture MBs.

Definition at line 469 of file vc1_pred.c.

Referenced by vc1_decode_b_mb_intfr(), and vc1_decode_p_mb_intfr().

◆ ff_vc1_pred_b_mv()

void ff_vc1_pred_b_mv ( VC1Context * v,
int dmv_x[2],
int dmv_y[2],
int direct,
int mvtype )

Definition at line 690 of file vc1_pred.c.

Referenced by vc1_decode_b_mb().

◆ ff_vc1_pred_b_mv_intfi()

void ff_vc1_pred_b_mv_intfi ( VC1Context * v,
int n,
int * dmv_x,
int * dmv_y,
int mv1,
int * pred_flag )

Definition at line 889 of file vc1_pred.c.

Referenced by vc1_decode_b_mb_intfi().