2 * (c) 2001 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
39 int pix_abs16x16_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
40 int pix_abs16x16_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
41 int pix_abs16x16_c(uint8_t *blk1, uint8_t *blk2, int lx);
42 int pix_abs16x16_x2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
43 int pix_abs16x16_x2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
44 int pix_abs16x16_x2_c(uint8_t *blk1, uint8_t *blk2, int lx);
45 int pix_abs16x16_y2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
46 int pix_abs16x16_y2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
47 int pix_abs16x16_y2_c(uint8_t *blk1, uint8_t *blk2, int lx);
48 int pix_abs16x16_xy2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
49 int pix_abs16x16_xy2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
50 int pix_abs16x16_xy2_c(uint8_t *blk1, uint8_t *blk2, int lx);
52 typedef int motion_func(uint8_t *blk1, uint8_t *blk2, int lx);
57 uint8_t img1[WIDTH * HEIGHT];
58 uint8_t img2[WIDTH * HEIGHT];
60 void fill_random(uint8_t *tab, int size)
65 tab[i] = random() % 256;
74 printf("motion-test [-h]\n"
75 "test motion implementations\n");
82 gettimeofday(&tv,NULL);
83 return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
90 void test_motion(const char *name,
91 motion_func *test_func, motion_func *ref_func)
96 printf("testing '%s'\n", name);
98 /* test correctness */
99 for(it=0;it<20;it++) {
101 fill_random(img1, WIDTH * HEIGHT);
102 fill_random(img2, WIDTH * HEIGHT);
104 for(y=0;y<HEIGHT-17;y++) {
105 for(x=0;x<WIDTH-17;x++) {
106 ptr = img2 + y * WIDTH + x;
107 d1 = test_func(img1, ptr, WIDTH);
108 d2 = ref_func(img1, ptr, WIDTH);
110 printf("error: mmx=%d c=%d\n", d1, d2);
120 for(it=0;it<NB_ITS;it++) {
121 for(y=0;y<HEIGHT-17;y++) {
122 for(x=0;x<WIDTH-17;x++) {
123 ptr = img2 + y * WIDTH + x;
124 d1 += test_func(img1, ptr, WIDTH);
129 dummy = d1; /* avoid optimisation */
132 printf(" %0.0f kop/s\n",
133 (double)NB_ITS * (WIDTH - 16) * (HEIGHT - 16) /
134 (double)(ti / 1000.0));
138 int main(int argc, char **argv)
143 c = getopt(argc, argv, "h");
153 printf("ffmpeg motion test\n");
155 test_motion("mmx", pix_abs16x16_mmx, pix_abs16x16_c);
156 test_motion("mmx_x2", pix_abs16x16_x2_mmx, pix_abs16x16_x2_c);
157 test_motion("mmx_y2", pix_abs16x16_y2_mmx, pix_abs16x16_y2_c);
158 test_motion("mmx_xy2", pix_abs16x16_xy2_mmx, pix_abs16x16_xy2_c);