vp9mvs.c File Reference

#include "internal.h"
#include "vp56.h"
#include "vp9.h"
#include "vp9data.h"
#include "vp9dec.h"

Go to the source code of this file.

Macros
#define	INVALID_MV   0x80008000U
#define	RETURN_DIRECT_MV(mv)
#define	RETURN_MV(mv)
#define	RETURN_SCALE_MV(mv, scale)

Functions
static av_always_inline void	clamp_mv (VP56mv *dst, const VP56mv *src, VP9Context *s)
static void	find_ref_mvs (VP9Context *s, VP56mv *pmv, int ref, int z, int idx, int sb)
static av_always_inline int	read_mv_component (VP9Context *s, int idx, int hp)
void	ff_vp9_fill_mv (VP9Context *s, VP56mv *mv, int mode, int sb)

Macro Definition Documentation

#define INVALID_MV   0x80008000U

Referenced by find_ref_mvs().

#define RETURN_DIRECT_MV

(

mv

)

Value:

do {                                        \
        uint32_t m = AV_RN32A(&mv);             \
        if (!idx) {                             \
            AV_WN32A(pmv, m);                   \
            return;                             \
        } else if (mem == INVALID_MV) {         \
            mem = m;                            \
        } else if (m != mem) {                  \
            AV_WN32A(pmv, m);                   \
            return;                             \
        }                                       \
    } while (0)

Referenced by find_ref_mvs().

#define RETURN_MV

(

mv

)

Referenced by find_ref_mvs().

#define RETURN_SCALE_MV	(		mv,
			scale
	)

Value:

do {                                        \
        if (scale) {                            \
            VP56mv mv_temp = { -mv.x, -mv.y };  \
            RETURN_MV(mv_temp);                 \
        } else {                                \
            RETURN_MV(mv);                      \
        }                                       \
    } while (0)

Referenced by find_ref_mvs().

Function Documentation

static av_always_inline void clamp_mv ( VP56mv *  dst, const VP56mv *  src, VP9Context *  s  )

static

Definition at line 30 of file vp9mvs.c.

Referenced by find_ref_mvs().

static void find_ref_mvs ( VP9Context *  s, VP56mv *  pmv, int  ref, int  z, int  idx, int  sb  )

static

Definition at line 37 of file vp9mvs.c.

Referenced by ff_vp9_fill_mv().

static av_always_inline int read_mv_component ( VP9Context *  s, int  idx, int  hp  )

static

Definition at line 235 of file vp9mvs.c.

Referenced by ff_vp9_fill_mv().

void ff_vp9_fill_mv	(	VP9Context *	s,
		VP56mv *	mv,
		int	mode,
		int	sb
	)

Definition at line 289 of file vp9mvs.c.

Referenced by decode_mode().