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
);