mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-23 15:53:08 +00:00
139 lines
3.2 KiB
C
139 lines
3.2 KiB
C
/* 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;
|
|
}
|