FFmpeg
vf_gblur.c
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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/gblur.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 
37 static void check_horiz_slice(float *dst_ref, float *dst_new)
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);
44  call_ref(dst_ref, WIDTH, HEIGHT, steps, nu, bscale);
45  call_new(dst_new, WIDTH, HEIGHT, steps, nu, bscale);
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);
50 }
51 
52 static void check_postscale_slice(float *dst_ref, float *dst_new)
53 {
54  float postscale = 0.0603f;
55 
56  declare_func(void, float *dst, int len, float postscale, float min, float max);
57  call_ref(dst_ref, PIXELS, postscale, -FLT_MAX, FLT_MAX);
58  call_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
59  if (!float_near_abs_eps_array(dst_ref, dst_new, FLT_EPSILON, PIXELS)) {
60  fail();
61  }
62  bench_new(dst_new, PIXELS, postscale, -FLT_MAX, FLT_MAX);
63 }
64 
66 {
67  float *dst_ref = av_malloc(BUF_SIZE);
68  float *dst_new = av_malloc(BUF_SIZE);
70 
71  randomize_buffers(dst_ref, PIXELS);
72  memcpy(dst_new, dst_ref, BUF_SIZE);
73 
74  ff_gblur_init(&s);
75 
76  if (check_func(s.horiz_slice, "horiz_slice")) {
77  check_horiz_slice(dst_ref, dst_new);
78  }
79  report("horiz_slice");
80 
81  randomize_buffers(dst_ref, PIXELS);
82  memcpy(dst_new, dst_ref, BUF_SIZE);
83  if (check_func(s.postscale_slice, "postscale_slice")) {
84  check_postscale_slice(dst_ref, dst_new);
85  }
86  report("postscale_slice");
87 
88  av_freep(&dst_ref);
89  av_freep(&dst_new);
90 }
check_horiz_slice
static void check_horiz_slice(float *dst_ref, float *dst_new)
Definition: vf_gblur.c:37
float_near_abs_eps_array
int float_near_abs_eps_array(const float *a, const float *b, float eps, unsigned len)
Definition: checkasm.c:339
w
uint8_t w
Definition: llviddspenc.c:39
check_func
#define check_func(func,...)
Definition: checkasm.h:125
float.h
max
#define max(a, b)
Definition: cuda_runtime.h:33
call_ref
#define call_ref(...)
Definition: checkasm.h:140
WIDTH
#define WIDTH
Definition: vf_gblur.c:24
av_malloc
#define av_malloc(s)
Definition: tableprint_vlc.h:31
fail
#define fail()
Definition: checkasm.h:134
checkasm.h
gblur.h
s
#define s(width, name)
Definition: cbs_vp9.c:257
checkasm_check_vf_gblur
void checkasm_check_vf_gblur(void)
Definition: vf_gblur.c:65
f
#define f(width, name)
Definition: cbs_vp9.c:255
BUF_SIZE
#define BUF_SIZE
Definition: vf_gblur.c:27
call_new
#define call_new(...)
Definition: checkasm.h:212
randomize_buffers
#define randomize_buffers(buf, size)
Definition: vf_gblur.c:29
check_postscale_slice
static void check_postscale_slice(float *dst_ref, float *dst_new)
Definition: vf_gblur.c:52
postscale
static const FLOAT postscale[64]
Definition: faandct.c:54
HEIGHT
#define HEIGHT
Definition: vf_gblur.c:25
PIXELS
#define PIXELS
Definition: vf_gblur.c:26
report
#define report
Definition: checkasm.h:137
bench_new
#define bench_new(...)
Definition: checkasm.h:272
len
int len
Definition: vorbis_enc_data.h:452
ff_gblur_init
void ff_gblur_init(GBlurContext *s)
Definition: vf_gblur.c:233
declare_func
#define declare_func(ret,...)
Definition: checkasm.h:129
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:35
GBlurContext
Definition: gblur.h:32
h
h
Definition: vp9dsp_template.c:2038
min
float min
Definition: vorbis_enc_data.h:456