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 <float.h>
20 #include <string.h>
21 #include "checkasm.h"
22 #include "libavfilter/vf_gblur_init.h"
23
24 #define WIDTH 256
25 #define HEIGHT 256
26 #define PIXELS (WIDTH * HEIGHT)
27 #define BUF_SIZE (PIXELS * 4)
28
29 #define randomize_buffers(buf, size) \
30 do { \
31 int j; \
32 float *tmp_buf = (float *)buf; \
33 for (j = 0; j < size; j++) \
34 tmp_buf[j] = (float)(rnd() & 0xFF); \
35 } while (0)
36
check_horiz_slice(float *dst_ref, float *dst_new, float *localbuf)37 static void check_horiz_slice(float *dst_ref, float *dst_new, float *localbuf)
38 {
39 int steps = 2;
40 float nu = 0.101f;
41 float bscale = 1.112f;
42
43 declare_func(void, float *dst, int w, int h, int steps, float nu, float bscale, float *localbuf);
44 call_ref(dst_ref, WIDTH, HEIGHT, steps, nu, bscale, localbuf);
45 call_new(dst_new, WIDTH, HEIGHT, steps, nu, bscale, localbuf);
46 if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
47 fail();
48 }
49 bench_new(dst_new, WIDTH, HEIGHT, 1, nu, bscale, localbuf);
50 }
51
check_verti_slice(float *dst_ref, float *dst_new)52 static void check_verti_slice(float *dst_ref, float *dst_new)
53 {
54 int steps = 2;
55 float nu = 0.101f;
56 float bscale = 1.112f;
57
58 declare_func(void, float *buffer, int width, int height, int column_begin,
59 int column_end, int steps, float nu, float bscale);
60 call_ref(dst_ref, WIDTH, HEIGHT, 0, WIDTH, steps, nu, bscale);
61 call_new(dst_new, WIDTH, HEIGHT, 0, WIDTH, steps, nu, bscale);
62 if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
63 fail();
64 }
65 bench_new(dst_new, WIDTH, HEIGHT, 0, WIDTH, 1, nu, bscale);
66 }
67
check_postscale_slice(float *dst_ref, float *dst_new)68 static void check_postscale_slice(float *dst_ref, float *dst_new)
69 {
70 float postscale = 0.0603f;
71
72 declare_func(void, float *dst, int len, float postscale, float min, float max);
73 call_ref(dst_ref, PIXELS, postscale, -FLT_MAX, FLT_MAX);
74 call_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
75 if (!float_near_abs_eps_array(dst_ref, dst_new, FLT_EPSILON, PIXELS)) {
76 fail();
77 }
78 bench_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
79 }
80
checkasm_check_vf_gblur(void)81 void checkasm_check_vf_gblur(void)
82 {
83 float *dst_ref = av_malloc(BUF_SIZE);
84 float *dst_new = av_malloc(BUF_SIZE);
85 GBlurContext s;
86
87 randomize_buffers(dst_ref, PIXELS);
88 memcpy(dst_new, dst_ref, BUF_SIZE);
89
90 s.planewidth[0] = WIDTH;
91 s.planeheight[0] = HEIGHT;
92 ff_gblur_init(&s);
93
94 if (check_func(s.horiz_slice, "horiz_slice")) {
95 check_horiz_slice(dst_ref, dst_new, s.localbuf);
96 }
97 report("horiz_slice");
98
99 randomize_buffers(dst_ref, PIXELS);
100 memcpy(dst_new, dst_ref, BUF_SIZE);
101 if (check_func(s.postscale_slice, "postscale_slice")) {
102 check_postscale_slice(dst_ref, dst_new);
103 }
104 report("postscale_slice");
105
106 randomize_buffers(dst_ref, PIXELS);
107 memcpy(dst_new, dst_ref, BUF_SIZE);
108 if (check_func(s.verti_slice, "verti_slice")) {
109 check_verti_slice(dst_ref, dst_new);
110 }
111 report("verti_slice");
112
113 if (s.localbuf)
114 av_free(s.localbuf);
115
116 av_freep(&dst_ref);
117 av_freep(&dst_new);
118 }
119