RV40 decoder motion compensation functions. More...

#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "h264qpel.h"
#include "mathops.h"
#include "pixels.h"
#include "rnd_avg.h"
#include "rv34dsp.h"
#include "libavutil/avassert.h"

Macros
#define	RV40_LOWPASS(OPNAME, OP)

#define	RV40_MC(OPNAME, SIZE)

#define	op_avg(a, b) a = (((a)+cm[b]+1)>>1)

#define	op_put(a, b) a = cm[b]

#define	PIXOP2(OPNAME, OP)

#define	op_avg(a, b) a = rnd_avg32(a, b)

#define	op_put(a, b) a = b

#define	RV40_CHROMA_MC(OPNAME, OP)

#define	op_avg(a, b) a = (((a)+((b)>>6)+1)>>1)

#define	op_put(a, b) a = ((b)>>6)

#define	RV40_WEIGHT_FUNC(size)

#define	CLIP_SYMM(a, b) av_clip(a, -(b), b)

Functions
static void	put_rv40_qpel16_mc33_c (uint8_t dst, const uint8_t src, ptrdiff_t stride)

static void	avg_rv40_qpel16_mc33_c (uint8_t dst, const uint8_t src, ptrdiff_t stride)

static void	put_rv40_qpel8_mc33_c (uint8_t dst, const uint8_t src, ptrdiff_t stride)

static void	avg_rv40_qpel8_mc33_c (uint8_t dst, const uint8_t src, ptrdiff_t stride)

static av_always_inline void	rv40_weak_loop_filter (uint8_t *src, const int step, const ptrdiff_t stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1)
	weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1 More...

static void	rv40_h_weak_loop_filter (uint8_t *src, const ptrdiff_t stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1)

static void	rv40_v_weak_loop_filter (uint8_t *src, const ptrdiff_t stride, const int filter_p1, const int filter_q1, const int alpha, const int beta, const int lim_p0q0, const int lim_q1, const int lim_p1)

static av_always_inline void	rv40_strong_loop_filter (uint8_t *src, const int step, const ptrdiff_t stride, const int alpha, const int lims, const int dmode, const int chroma)

static void	rv40_h_strong_loop_filter (uint8_t *src, const ptrdiff_t stride, const int alpha, const int lims, const int dmode, const int chroma)

static void	rv40_v_strong_loop_filter (uint8_t *src, const ptrdiff_t stride, const int alpha, const int lims, const int dmode, const int chroma)

static av_always_inline int	rv40_loop_filter_strength (uint8_t src, int step, ptrdiff_t stride, int beta, int beta2, int edge, int p1, int *q1)

static int	rv40_h_loop_filter_strength (uint8_t src, ptrdiff_t stride, int beta, int beta2, int edge, int p1, int *q1)

static int	rv40_v_loop_filter_strength (uint8_t src, ptrdiff_t stride, int beta, int beta2, int edge, int p1, int *q1)

av_cold void	ff_rv40dsp_init (RV34DSPContext *c)

Variables
static const int	rv40_bias [4][4]

static const uint8_t	rv40_dither_l [16]
	dither values for deblocking filter - left/top values More...

static const uint8_t	rv40_dither_r [16]
	dither values for deblocking filter - right/bottom values More...

Detailed Description

RV40 decoder motion compensation functions.

Definition in file rv40dsp.c.

Macro Definition Documentation

◆ RV40_LOWPASS

#define RV40_LOWPASS	(	OPNAME,
		OP
	)

Definition at line 37 of file rv40dsp.c.

◆ RV40_MC

#define RV40_MC	(	OPNAME,
		SIZE
	)

Definition at line 110 of file rv40dsp.c.

◆ op_avg [1/3]

#define op_avg	(	a,
		b
	)	a = (((a)+cm[b]+1)>>1)

Definition at line 375 of file rv40dsp.c.

◆ op_put [1/3]

#define op_put	(	a,
		b
	)	a = cm[b]

Definition at line 376 of file rv40dsp.c.

◆ PIXOP2

#define PIXOP2	(	OPNAME,
		OP
	)

Definition at line 210 of file rv40dsp.c.

◆ op_avg [2/3]

#define op_avg	(	a,
		b
	)	a = rnd_avg32(a, b)

Definition at line 375 of file rv40dsp.c.

◆ op_put [2/3]

#define op_put	(	a,
		b
	)	a = b

Definition at line 376 of file rv40dsp.c.

◆ RV40_CHROMA_MC

#define RV40_CHROMA_MC	(	OPNAME,
		OP
	)

Definition at line 294 of file rv40dsp.c.

◆ op_avg [3/3]

#define op_avg	(	a,
		b
	)	a = (((a)+((b)>>6)+1)>>1)

Definition at line 375 of file rv40dsp.c.

◆ op_put [3/3]

#define op_put	(	a,
		b
	)	a = ((b)>>6)

Definition at line 376 of file rv40dsp.c.

◆ RV40_WEIGHT_FUNC

#define RV40_WEIGHT_FUNC ( size )

Value:

static void rv40_weight_func_rnd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\
{\
    int i, j;\
\
    for (j = 0; j < size; j++) {\
        for (i = 0; i < size; i++)\
            dst[i] = (((w2 * src1[i]) >> 9) + ((w1 * src2[i]) >> 9) + 0x10) >> 5;\
        src1 += stride;\
        src2 += stride;\
        dst  += stride;\
    }\
}\
static void rv40_weight_func_nornd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\
{\
    int i, j;\
\
    for (j = 0; j < size; j++) {\
        for (i = 0; i < size; i++)\
            dst[i] = (w2 * src1[i] + w1 * src2[i] + 0x10) >> 5;\
        src1 += stride;\
        src2 += stride;\
        dst  += stride;\
    }\
}

Definition at line 381 of file rv40dsp.c.

◆ CLIP_SYMM

#define CLIP_SYMM	(	a,
		b
	)	av_clip(a, -(b), b)

Definition at line 426 of file rv40dsp.c.

Referenced by rv40_weak_loop_filter().

Function Documentation

◆ put_rv40_qpel16_mc33_c()

static void put_rv40_qpel16_mc33_c	(	uint8_t *	dst,
		const uint8_t *	src,
		ptrdiff_t	stride
	)

static

Definition at line 270 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ avg_rv40_qpel16_mc33_c()

static void avg_rv40_qpel16_mc33_c	(	uint8_t *	dst,
		const uint8_t *	src,
		ptrdiff_t	stride
	)

static

Definition at line 274 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ put_rv40_qpel8_mc33_c()

static void put_rv40_qpel8_mc33_c	(	uint8_t *	dst,
		const uint8_t *	src,
		ptrdiff_t	stride
	)

static

Definition at line 278 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ avg_rv40_qpel8_mc33_c()

static void avg_rv40_qpel8_mc33_c	(	uint8_t *	dst,
		const uint8_t *	src,
		ptrdiff_t	stride
	)

static

Definition at line 282 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ rv40_weak_loop_filter()

static av_always_inline void rv40_weak_loop_filter	(	uint8_t *	src,
		const int	step,
		const ptrdiff_t	stride,
		const int	filter_p1,
		const int	filter_q1,
		const int	alpha,
		const int	beta,
		const int	lim_p0q0,
		const int	lim_q1,
		const int	lim_p1
	)

static

weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1

Definition at line 430 of file rv40dsp.c.

Referenced by rv40_h_weak_loop_filter(), and rv40_v_weak_loop_filter().

◆ rv40_h_weak_loop_filter()

static void rv40_h_weak_loop_filter	(	uint8_t *	src,
		const ptrdiff_t	stride,
		const int	filter_p1,
		const int	filter_q1,
		const int	alpha,
		const int	beta,
		const int	lim_p0q0,
		const int	lim_q1,
		const int	lim_p1
	)

static

Definition at line 478 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ rv40_v_weak_loop_filter()

static void rv40_v_weak_loop_filter	(	uint8_t *	src,
		const ptrdiff_t	stride,
		const int	filter_p1,
		const int	filter_q1,
		const int	alpha,
		const int	beta,
		const int	lim_p0q0,
		const int	lim_q1,
		const int	lim_p1
	)

static

Definition at line 488 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ rv40_strong_loop_filter()

static av_always_inline void rv40_strong_loop_filter	(	uint8_t *	src,
		const int	step,
		const ptrdiff_t	stride,
		const int	alpha,
		const int	lims,
		const int	dmode,
		const int	chroma
	)

static

Definition at line 498 of file rv40dsp.c.

Referenced by rv40_h_strong_loop_filter(), and rv40_v_strong_loop_filter().

◆ rv40_h_strong_loop_filter()

static void rv40_h_strong_loop_filter	(	uint8_t *	src,
		const ptrdiff_t	stride,
		const int	alpha,
		const int	lims,
		const int	dmode,
		const int	chroma
	)

static

Definition at line 556 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ rv40_v_strong_loop_filter()

static void rv40_v_strong_loop_filter	(	uint8_t *	src,
		const ptrdiff_t	stride,
		const int	alpha,
		const int	lims,
		const int	dmode,
		const int	chroma
	)

static

Definition at line 563 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ rv40_loop_filter_strength()

static av_always_inline int rv40_loop_filter_strength	(	uint8_t *	src,
		int	step,
		ptrdiff_t	stride,
		int	beta,
		int	beta2,
		int	edge,
		int *	p1,
		int *	q1
	)

static

Definition at line 570 of file rv40dsp.c.

Referenced by rv40_h_loop_filter_strength(), and rv40_v_loop_filter_strength().

◆ rv40_h_loop_filter_strength()

static int rv40_h_loop_filter_strength	(	uint8_t *	src,
		ptrdiff_t	stride,
		int	beta,
		int	beta2,
		int	edge,
		int *	p1,
		int *	q1
	)

static

Definition at line 606 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ rv40_v_loop_filter_strength()

static int rv40_v_loop_filter_strength	(	uint8_t *	src,
		ptrdiff_t	stride,
		int	beta,
		int	beta2,
		int	edge,
		int *	p1,
		int *	q1
	)

static

Definition at line 613 of file rv40dsp.c.

Referenced by ff_rv40dsp_init().

◆ ff_rv40dsp_init()

av_cold void ff_rv40dsp_init ( RV34DSPContext * c )

Definition at line 620 of file rv40dsp.c.

Referenced by ff_rv34_decode_init().

Variable Documentation

◆ rv40_bias

const int rv40_bias[4][4]

static

Initial value:

= {
    {  0, 16, 32, 16 },
    { 32, 28, 32, 28 },
    {  0, 32, 16, 32 },
    { 32, 28, 32, 28 }
}

Definition at line 287 of file rv40dsp.c.

◆ rv40_dither_l

const uint8_t rv40_dither_l[16]

static

Initial value:

= {
    0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30,
    0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40
}

dither values for deblocking filter - left/top values

Definition at line 413 of file rv40dsp.c.

Referenced by rv40_strong_loop_filter().

◆ rv40_dither_r

const uint8_t rv40_dither_r[16]

static

Initial value:

= {
    0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40,
    0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40
}

dither values for deblocking filter - right/bottom values

Definition at line 421 of file rv40dsp.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ RV40_LOWPASS

◆ RV40_MC

◆ op_avg [1/3]

◆ op_put [1/3]

◆ PIXOP2

◆ op_avg [2/3]

◆ op_put [2/3]

◆ RV40_CHROMA_MC

◆ op_avg [3/3]

◆ op_put [3/3]

◆ RV40_WEIGHT_FUNC

◆ CLIP_SYMM

Function Documentation

◆ put_rv40_qpel16_mc33_c()

◆ avg_rv40_qpel16_mc33_c()

◆ put_rv40_qpel8_mc33_c()

◆ avg_rv40_qpel8_mc33_c()

◆ rv40_weak_loop_filter()

◆ rv40_h_weak_loop_filter()

◆ rv40_v_weak_loop_filter()

◆ rv40_strong_loop_filter()

◆ rv40_h_strong_loop_filter()

◆ rv40_v_strong_loop_filter()

◆ rv40_loop_filter_strength()

◆ rv40_h_loop_filter_strength()

◆ rv40_v_loop_filter_strength()

◆ ff_rv40dsp_init()

Variable Documentation

◆ rv40_bias

◆ rv40_dither_l

◆ rv40_dither_r