blob: caf911eb5d6799d11003543923884f2e52f87828 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Scene SAD functions
*/
#include "scene_sad.h"
void ff_scene_sad16_c(SCENE_SAD_PARAMS)
{
uint64_t sad = 0;
const uint16_t *src1w = (const uint16_t *)src1;
const uint16_t *src2w = (const uint16_t *)src2;
int x, y;
stride1 /= 2;
stride2 /= 2;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
sad += FFABS(src1w[x] - src2w[x]);
src1w += stride1;
src2w += stride2;
}
*sum = sad;
}
void ff_scene_sad_c(SCENE_SAD_PARAMS)
{
uint64_t sad = 0;
int x, y;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
sad += FFABS(src1[x] - src2[x]);
src1 += stride1;
src2 += stride2;
}
*sum = sad;
}
ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
{
ff_scene_sad_fn sad = NULL;
#if ARCH_X86
sad = ff_scene_sad_get_fn_x86(depth);
#endif
if (!sad) {
if (depth == 8)
sad = ff_scene_sad_c;
if (depth == 16)
sad = ff_scene_sad16_c;
}
return sad;
}
|
