motion_comp.c File Reference

#include "config.h"
#include <stdio.h>
#include <inttypes.h>
#include "mpeg2_internal.h"
#include <xine/xineutils.h>

Macros
#define	avg2(a, b)   ((a+b+1)>>1)
#define	avg4(a, b, c, d)   ((a+b+c+d+2)>>2)
#define	predict_o(i)   (ref[i])
#define	predict_x(i)   (avg2 (ref[i], ref[i+1]))
#define	predict_y(i)   (avg2 (ref[i], (ref+stride)[i]))
#define	predict_xy(i)
#define	put(predictor, i)   dest[i] = predictor (i)
#define	avg(predictor, i)   dest[i] = avg2 (predictor (i), dest[i])
#define	MC_FUNC(op, xy)

Functions
void	mpeg2_mc_init (uint32_t mm_accel)
static void	MC_put_o_16_c (uint8_t *dest, uint8_t *ref, int stride, int height)
static void	MC_put_o_8_c (uint8_t *dest, uint8_t *ref, int stride, int height)
	MMMC_FUNC (avg, o)
static void	MC_put_x_8_c (uint8_t *dest, uint8_t *ref, int stride, int height)
	MMMC_FUNC (avg, x)
static void	MC_put_y_8_c (uint8_t *dest, uint8_t *ref, int stride, int height)
	MMMC_FUNC (avg, y)
static void	MC_put_xy_8_c (uint8_t *dest, uint8_t *ref, int stride, int height)
	MMMC_FUNC (avg, xy)

Variables
mpeg2_mc_t	mpeg2_mc

Macro Definition Documentation

avg

#define avg	(		predictor,
			i
	)		dest[i] = avg2 (predictor (i), dest[i])

avg2

#define avg2	(		a,
			b
	)		((a+b+1)>>1)

avg4

#define avg4	(		a,
			b,
			c,
			d
	)		((a+b+c+d+2)>>2)

MC_FUNC

#define MC_FUNC	(		op,
			xy
	)

predict_o

#define predict_o

(

i

)

(ref[i])

predict_x

#define predict_x

(

i

)

(avg2 (ref[i], ref[i+1]))

predict_xy

#define predict_xy

(

i

)

Value:

                             (avg4 (ref[i], ref[i+1], \
                             (ref+stride)[i], (ref+stride)[i+1]))

predict_y

#define predict_y

(

i

)

(avg2 (ref[i], (ref+stride)[i]))

put

#define put	(		predictor,
			i
	)		dest[i] = predictor (i)

Function Documentation

MC_put_o_16_c()

static void MC_put_o_16_c ( uint8_t *  dest, uint8_t *  ref, int  stride, int  height  )

static

MC_put_o_8_c()

static void MC_put_o_8_c ( uint8_t *  dest, uint8_t *  ref, int  stride, int  height  )

static

MC_put_x_8_c()

static void MC_put_x_8_c ( uint8_t *  dest, uint8_t *  ref, int  stride, int  height  )

static

MC_put_xy_8_c()

static void MC_put_xy_8_c ( uint8_t *  dest, uint8_t *  ref, int  stride, int  height  )

static

MC_put_y_8_c()

static void MC_put_y_8_c ( uint8_t *  dest, uint8_t *  ref, int  stride, int  height  )

static

MMMC_FUNC() [1/4]

MMMC_FUNC	(	avg	,
		o
	)

MMMC_FUNC() [2/4]

MMMC_FUNC	(	avg	,
		x
	)

MMMC_FUNC() [3/4]

MMMC_FUNC	(	avg	,
		xy
	)

MMMC_FUNC() [4/4]

MMMC_FUNC	(	avg	,
		y
	)

mpeg2_mc_init()

void mpeg2_mc_init

(

uint32_t

mm_accel

)

Referenced by mpeg2_accel(), and mpeg2_init().

Variable Documentation

mpeg2_mc

mpeg2_mc_t mpeg2_mc

Referenced by mpeg2_mc_init(), and mpeg2_xvmc_slice().