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/* motion test. (c) 2001 Fabrice Bellard. */
/**
* @file motion_test.c
* motion test.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include "dsputil.h"
#include "i386/mmx.h"
int pix_abs16x16_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_x2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_x2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_x2_c(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_y2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_y2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_y2_c(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_xy2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_xy2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
int pix_abs16x16_xy2_c(uint8_t *blk1, uint8_t *blk2, int lx);
typedef int motion_func(uint8_t *blk1, uint8_t *blk2, int lx);
#define WIDTH 64
#define HEIGHT 64
uint8_t img1[WIDTH * HEIGHT];
uint8_t img2[WIDTH * HEIGHT];
void fill_random(uint8_t *tab, int size)
{
int i;
for(i=0;i<size;i++) {
#if 1
tab[i] = random() % 256;
#else
tab[i] = i;
#endif
}
}
void help(void)
{
printf("motion-test [-h]\n"
"test motion implementations\n");
exit(1);
}
int64_t gettime(void)
{
struct timeval tv;
gettimeofday(&tv,NULL);
return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
#define NB_ITS 500
int dummy;
void test_motion(const char *name,
motion_func *test_func, motion_func *ref_func)
{
int x, y, d1, d2, it;
uint8_t *ptr;
int64_t ti;
printf("testing '%s'\n", name);
/* test correctness */
for(it=0;it<20;it++) {
fill_random(img1, WIDTH * HEIGHT);
fill_random(img2, WIDTH * HEIGHT);
for(y=0;y<HEIGHT-17;y++) {
for(x=0;x<WIDTH-17;x++) {
ptr = img2 + y * WIDTH + x;
d1 = test_func(img1, ptr, WIDTH);
d2 = ref_func(img1, ptr, WIDTH);
if (d1 != d2) {
printf("error: mmx=%d c=%d\n", d1, d2);
}
}
}
}
emms();
/* speed test */
ti = gettime();
d1 = 0;
for(it=0;it<NB_ITS;it++) {
for(y=0;y<HEIGHT-17;y++) {
for(x=0;x<WIDTH-17;x++) {
ptr = img2 + y * WIDTH + x;
d1 += test_func(img1, ptr, WIDTH);
}
}
}
emms();
dummy = d1; /* avoid optimisation */
ti = gettime() - ti;
printf(" %0.0f kop/s\n",
(double)NB_ITS * (WIDTH - 16) * (HEIGHT - 16) /
(double)(ti / 1000.0));
}
int main(int argc, char **argv)
{
int c;
for(;;) {
c = getopt(argc, argv, "h");
if (c == -1)
break;
switch(c) {
case 'h':
help();
break;
}
}
printf("ffmpeg motion test\n");
test_motion("mmx", pix_abs16x16_mmx, pix_abs16x16_c);
test_motion("mmx_x2", pix_abs16x16_x2_mmx, pix_abs16x16_x2_c);
test_motion("mmx_y2", pix_abs16x16_y2_mmx, pix_abs16x16_y2_c);
test_motion("mmx_xy2", pix_abs16x16_xy2_mmx, pix_abs16x16_xy2_c);
return 0;
}
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