1 /* motion test. (c) 2001 Fabrice Bellard. */
18 int pix_abs16x16_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
19 int pix_abs16x16_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
20 int pix_abs16x16_x2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
21 int pix_abs16x16_x2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
22 int pix_abs16x16_x2_c(uint8_t *blk1, uint8_t *blk2, int lx);
23 int pix_abs16x16_y2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
24 int pix_abs16x16_y2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
25 int pix_abs16x16_y2_c(uint8_t *blk1, uint8_t *blk2, int lx);
26 int pix_abs16x16_xy2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
27 int pix_abs16x16_xy2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
28 int pix_abs16x16_xy2_c(uint8_t *blk1, uint8_t *blk2, int lx);
30 typedef int motion_func(uint8_t *blk1, uint8_t *blk2, int lx);
35 uint8_t img1[WIDTH * HEIGHT];
36 uint8_t img2[WIDTH * HEIGHT];
38 void fill_random(uint8_t *tab, int size)
43 tab[i] = random() % 256;
52 printf("motion-test [-h]\n"
53 "test motion implementations\n");
60 gettimeofday(&tv,NULL);
61 return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
68 void test_motion(const char *name,
69 motion_func *test_func, motion_func *ref_func)
74 printf("testing '%s'\n", name);
76 /* test correctness */
77 for(it=0;it<20;it++) {
79 fill_random(img1, WIDTH * HEIGHT);
80 fill_random(img2, WIDTH * HEIGHT);
82 for(y=0;y<HEIGHT-17;y++) {
83 for(x=0;x<WIDTH-17;x++) {
84 ptr = img2 + y * WIDTH + x;
85 d1 = test_func(img1, ptr, WIDTH);
86 d2 = ref_func(img1, ptr, WIDTH);
88 printf("error: mmx=%d c=%d\n", d1, d2);
98 for(it=0;it<NB_ITS;it++) {
99 for(y=0;y<HEIGHT-17;y++) {
100 for(x=0;x<WIDTH-17;x++) {
101 ptr = img2 + y * WIDTH + x;
102 d1 += test_func(img1, ptr, WIDTH);
107 dummy = d1; /* avoid optimisation */
110 printf(" %0.0f kop/s\n",
111 (double)NB_ITS * (WIDTH - 16) * (HEIGHT - 16) /
112 (double)(ti / 1000.0));
116 int main(int argc, char **argv)
121 c = getopt(argc, argv, "h");
131 printf("ffmpeg motion test\n");
133 test_motion("mmx", pix_abs16x16_mmx, pix_abs16x16_c);
134 test_motion("mmx_x2", pix_abs16x16_x2_mmx, pix_abs16x16_x2_c);
135 test_motion("mmx_y2", pix_abs16x16_y2_mmx, pix_abs16x16_y2_c);
136 test_motion("mmx_xy2", pix_abs16x16_xy2_mmx, pix_abs16x16_xy2_c);