1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 /**
20 * @file
21 * Scene SAD functions
22 */
23
25
27 {
28 uint64_t sad = 0;
29 const uint16_t *src1w = (
const uint16_t *)
src1;
30 const uint16_t *src2w = (
const uint16_t *)
src2;
31 int x, y;
32
33 stride1 /= 2;
34 stride2 /= 2;
35
36 for (y = 0; y <
height; y++) {
37 for (x = 0; x <
width; x++)
38 sad +=
FFABS(src1w[x] - src2w[x]);
39 src1w += stride1;
40 src2w += stride2;
41 }
42 *sum = sad;
43 }
44
46 {
47 uint64_t sad = 0;
48 int x, y;
49
50 for (y = 0; y <
height; y++) {
51 for (x = 0; x <
width; x++)
55 }
56 *sum = sad;
57 }
58
60 {
62 #if ARCH_X86
64 #endif
65 if (!sad) {
66 if (depth == 8)
68 if (depth == 16)
70 }
71 return sad;
72 }
73