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