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/hflip.h"
22 #include "libavutil/intreadwrite.h"
23 #include "libavutil/mem_internal.h"
24
25 #define WIDTH 256
26 #define WIDTH_PADDED 256 + 32
27
28 #define randomize_buffers(buf, size) \
29 do { \
30 int j; \
31 uint8_t *tmp_buf = (uint8_t *)buf;\
32 for (j = 0; j < size; j++) \
33 tmp_buf[j] = rnd() & 0xFF; \
34 } while (0)
35
check_hflip(int step,const char * report_name)36 static void check_hflip(int step, const char * report_name){
37 LOCAL_ALIGNED_32(uint8_t, src, [WIDTH_PADDED]);
38 LOCAL_ALIGNED_32(uint8_t, dst_ref, [WIDTH_PADDED]);
39 LOCAL_ALIGNED_32(uint8_t, dst_new, [WIDTH_PADDED]);
40 int w = WIDTH;
41 int i;
42 int step_array[4] = {1, 1, 1, 1};
43 FlipContext s;
44
45 declare_func(void, const uint8_t *src, uint8_t *dst, int w);
46
47 s.bayer_plus1 = 1;
48 memset(src, 0, WIDTH_PADDED);
49 memset(dst_ref, 0, WIDTH_PADDED);
50 memset(dst_new, 0, WIDTH_PADDED);
51 randomize_buffers(src, WIDTH_PADDED);
52
53 if (step == 2) {
54 w /= 2;
55 for (i = 0; i < 4; i++)
56 step_array[i] = step;
57 }
58
59 ff_hflip_init(&s, step_array, 4);
60
61 if (check_func(s.flip_line[0], "hflip_%s", report_name)) {
62 for (i = 1; i < w; i++) {
63 call_ref(src + (w - 1) * step, dst_ref, i);
64 call_new(src + (w - 1) * step, dst_new, i);
65 if (memcmp(dst_ref, dst_new, i * step))
66 fail();
67 }
68 bench_new(src + (w - 1) * step, dst_new, w);
69 }
70 }
checkasm_check_vf_hflip(void)71 void checkasm_check_vf_hflip(void)
72 {
73 check_hflip(1, "byte");
74 report("hflip_byte");
75
76 check_hflip(2, "short");
77 report("hflip_short");
78 }
79