FFmpeg
vf_eq.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 <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 
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);
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 
77 {
78  check_eq();
79  report("eq");
80 }
mem_internal.h
randomize_buffers
#define randomize_buffers(buf, size)
Definition: vf_eq.c:33
w
uint8_t w
Definition: llviddspenc.c:38
check_func
#define check_func(func,...)
Definition: checkasm.h:118
call_ref
#define call_ref(...)
Definition: checkasm.h:133
SRC_STRIDE
#define SRC_STRIDE
Definition: vf_eq.c:28
fail
#define fail()
Definition: checkasm.h:127
PIXELS
#define PIXELS
Definition: vf_eq.c:29
checkasm.h
checkasm_check_vf_eq
void checkasm_check_vf_eq(void)
Definition: vf_eq.c:76
SCALE
#define SCALE
Definition: vf_eq.c:31
eq
#define eq(A, B)
Definition: vf_xbr.c:90
rnd
#define rnd()
Definition: checkasm.h:111
intreadwrite.h
EQParameters
Definition: vf_eq.h:47
vf_eq.h
RANDOM_RANGE
#define RANDOM_RANGE
Definition: vf_eq.c:30
WIDTH
#define WIDTH
Definition: vf_eq.c:26
check_eq
static void check_eq(void)
Definition: vf_eq.c:41
call_new
#define call_new(...)
Definition: checkasm.h:205
LOCAL_ALIGNED_32
#define LOCAL_ALIGNED_32(t, v,...)
Definition: mem_internal.h:136
src
#define src
Definition: vp8dsp.c:255
EQContext
Definition: vf_eq.h:58
ff_eq_init
void ff_eq_init(EQContext *eq)
Definition: vf_eq.c:177
EQParameters::contrast
double contrast
Definition: vf_eq.h:53
report
#define report
Definition: checkasm.h:130
bench_new
#define bench_new(...)
Definition: checkasm.h:268
EQParameters::brightness
double brightness
Definition: vf_eq.h:53
HEIGHT
#define HEIGHT
Definition: vf_eq.c:27
avfilter.h
declare_func
#define declare_func(ret,...)
Definition: checkasm.h:122
h
h
Definition: vp9dsp_template.c:2038
int
int
Definition: ffmpeg_filter.c:156