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motion_comp.c File Reference

#include "config.h"
#include <inttypes.h>
#include "mpeg2.h"
#include "mpeg2_internal.h"


Defines
#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 accel)
Variables
mpeg2_mc_t	mpeg2_mc

Define Documentation

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

Definition at line 72 of file motion_comp.c.

Referenced by calc_good_fit(), main(), PRIC_main(), RIC_CalcCoeffAB(), and RIC_CalcVoxelMeans().

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

Definition at line 62 of file motion_comp.c.

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

Definition at line 63 of file motion_comp.c.

#define MC_FUNC	(	op,
		xy		)

Definition at line 76 of file motion_comp.c.

#define predict_o

(

)

(ref[i])

Definition at line 65 of file motion_comp.c.

#define predict_x

(

)

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

Definition at line 66 of file motion_comp.c.

#define predict_xy

(

)

Value:

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

Definition at line 68 of file motion_comp.c.

#define predict_y

(

)

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

Definition at line 67 of file motion_comp.c.

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

Definition at line 71 of file motion_comp.c.

Function Documentation

void mpeg2_mc_init

(

uint32_t

accel

)

Definition at line 33 of file motion_comp.c.

References MPEG2_ACCEL_ALPHA, MPEG2_ACCEL_MLIB, MPEG2_ACCEL_PPC_ALTIVEC, MPEG2_ACCEL_X86_3DNOW, MPEG2_ACCEL_X86_MMX, MPEG2_ACCEL_X86_MMXEXT, mpeg2_mc_3dnow, mpeg2_mc_alpha, mpeg2_mc_altivec, mpeg2_mc_c, mpeg2_mc_mlib, mpeg2_mc_mmx, mpeg2_mc_mmxext, and uint32_t.

Referenced by mpeg2_accel().

00034 {
00035 #ifdef ARCH_X86
00036     if (accel & MPEG2_ACCEL_X86_MMXEXT)
00037         mpeg2_mc = mpeg2_mc_mmxext;
00038     else if (accel & MPEG2_ACCEL_X86_3DNOW)
00039         mpeg2_mc = mpeg2_mc_3dnow;
00040     else if (accel & MPEG2_ACCEL_X86_MMX)
00041         mpeg2_mc = mpeg2_mc_mmx;
00042     else
00043 #endif
00044 #ifdef ARCH_PPC
00045     if (accel & MPEG2_ACCEL_PPC_ALTIVEC)
00046         mpeg2_mc = mpeg2_mc_altivec;
00047     else
00048 #endif
00049 #ifdef ARCH_ALPHA
00050     if (accel & MPEG2_ACCEL_ALPHA)
00051         mpeg2_mc = mpeg2_mc_alpha;
00052     else
00053 #endif
00054 #ifdef LIBMPEG2_MLIB
00055     if (accel & MPEG2_ACCEL_MLIB)
00056         mpeg2_mc = mpeg2_mc_mlib;
00057     else
00058 #endif
00059         mpeg2_mc = mpeg2_mc_c;
00060 }

Variable Documentation

mpeg2_mc_t mpeg2_mc

Definition at line 31 of file motion_comp.c.

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