1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #include <string.h>
20 #include "checkasm.h"
21 #include "libavfilter/avfilter.h"
22 #include "libavfilter/vf_eq.h"
23 #include "libavutil/intreadwrite.h"
24 #include "libavutil/mem_internal.h"
25
26 #define WIDTH 256
27 #define HEIGHT 256
28 #define SRC_STRIDE 256
29 #define PIXELS (WIDTH * HEIGHT)
30 #define RANDOM_RANGE 80000
31 #define SCALE 10000
32
33 #define randomize_buffers(buf, size) \
34 do { \
35 int j; \
36 uint8_t *tmp_buf = (uint8_t *)buf;\
37 for (j = 0; j< size; j++) \
38 tmp_buf[j] = rnd() & 0xFF; \
39 } while (0)
40
check_eq(void)41 static void check_eq(void)
42 {
43 LOCAL_ALIGNED_32(uint8_t, src, [PIXELS]);
44 LOCAL_ALIGNED_32(uint8_t, dst_ref, [PIXELS]);
45 LOCAL_ALIGNED_32(uint8_t, dst_new, [PIXELS]);
46 int w = WIDTH;
47 int h = HEIGHT;
48 int src_stride = SRC_STRIDE;
49 int dst_stride = SRC_STRIDE;
50 EQParameters pa;
51 EQContext eq;
52 declare_func(void, EQParameters *param, uint8_t *dst, int dst_stride,
53 const uint8_t *src, int src_stride, int w, int h);
54
55 double rand_contrast = (int)(rnd() % (RANDOM_RANGE * 2) - RANDOM_RANGE) /
56 (SCALE * 1.0);
57 double rand_brightness = (int)(rnd() % (SCALE * 2) - SCALE) /
58 (SCALE * 1.0);
59 pa.contrast = rand_contrast;
60 pa.brightness = rand_brightness;
61
62 memset(dst_ref, 0, PIXELS);
63 memset(dst_new, 0, PIXELS);
64 randomize_buffers(src, PIXELS);
65 ff_eq_init(&eq);
66
67 if (check_func(eq.process, "process")) {
68 call_ref(&pa, dst_ref, dst_stride, src, src_stride, w, h);
69 call_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
70 if (memcmp(dst_ref, dst_new, PIXELS))
71 fail();
72 bench_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
73 }
74 }
75
checkasm_check_vf_eq(void)76 void checkasm_check_vf_eq(void)
77 {
78 check_eq();
79 report("eq");
80 }
81