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 
25 #define WIDTH 256
26 #define HEIGHT 256
27 #define SRC_STRIDE 256
28 #define PIXELS (WIDTH * HEIGHT)
29 #define RANDOM_RANGE 80000
30 #define SCALE 10000
31 
32 #define randomize_buffers(buf, size) \
33  do { \
34  int j; \
35  uint8_t *tmp_buf = (uint8_t *)buf;\
36  for (j = 0; j< size; j++) \
37  tmp_buf[j] = rnd() & 0xFF; \
38  } while (0)
39 
40 static void check_eq(void)
41 {
43  LOCAL_ALIGNED_32(uint8_t, dst_ref, [PIXELS]);
44  LOCAL_ALIGNED_32(uint8_t, dst_new, [PIXELS]);
45  int w = WIDTH;
46  int h = HEIGHT;
47  int src_stride = SRC_STRIDE;
48  int dst_stride = SRC_STRIDE;
49  EQParameters pa;
50  EQContext eq;
51  declare_func(void, EQParameters *param, uint8_t *dst, int dst_stride,
52  const uint8_t *src, int src_stride, int w, int h);
53 
54  double rand_contrast = (int)(rnd() % (RANDOM_RANGE * 2) - RANDOM_RANGE) /
55  (SCALE * 1.0);
56  double rand_brightness = (int)(rnd() % (SCALE * 2) - SCALE) /
57  (SCALE * 1.0);
58  pa.contrast = rand_contrast;
59  pa.brightness = rand_brightness;
60 
61  memset(dst_ref, 0, PIXELS);
62  memset(dst_new, 0, PIXELS);
64  ff_eq_init(&eq);
65 
66  if (check_func(eq.process, "process")) {
67  call_ref(&pa, dst_ref, dst_stride, src, src_stride, w, h);
68  call_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
69  if (memcmp(dst_ref, dst_new, PIXELS))
70  fail();
71  bench_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
72  }
73 }
74 
76 {
77  check_eq();
78  report("eq");
79 }
Main libavfilter public API header.
double contrast
Definition: vf_eq.h:53
void checkasm_check_vf_eq(void)
Definition: vf_eq.c:75
#define src
Definition: vp8dsp.c:254
#define report
Definition: checkasm.h:125
uint8_t
static void check_eq(void)
Definition: vf_eq.c:40
#define PIXELS
Definition: vf_eq.c:28
#define randomize_buffers(buf, size)
Definition: vf_eq.c:32
void(* process)(struct EQParameters *par, uint8_t *dst, int dst_stride, const uint8_t *src, int src_stride, int w, int h)
Definition: vf_eq.h:97
#define declare_func(ret,...)
Definition: checkasm.h:117
#define fail()
Definition: checkasm.h:122
#define eq(A, B)
Definition: vf_xbr.c:91
uint8_t w
Definition: llviddspenc.c:38
void ff_eq_init(EQContext *eq)
Definition: vf_eq.c:177
#define call_ref(...)
Definition: checkasm.h:128
double brightness
Definition: vf_eq.h:53
#define check_func(func,...)
Definition: checkasm.h:113
#define SRC_STRIDE
Definition: vf_eq.c:27
#define SCALE
Definition: vf_eq.c:30
#define LOCAL_ALIGNED_32(t, v,...)
Definition: internal.h:137
int
#define rnd()
Definition: checkasm.h:106
#define HEIGHT
Definition: vf_eq.c:26
#define bench_new(...)
Definition: checkasm.h:255
#define call_new(...)
Definition: checkasm.h:195
#define RANDOM_RANGE
Definition: vf_eq.c:29
#define WIDTH
Definition: vf_eq.c:25