1 |
|
|
/* |
2 |
|
|
* This file is part of FFmpeg. |
3 |
|
|
* |
4 |
|
|
* Copyright (c) 2006 Industrial Light & Magic, a division of Lucas Digital Ltd. LLC |
5 |
|
|
* |
6 |
|
|
* FFmpeg is free software; you can redistribute it and/or |
7 |
|
|
* modify it under the terms of the GNU Lesser General Public |
8 |
|
|
* License as published by the Free Software Foundation; either |
9 |
|
|
* version 2.1 of the License, or (at your option) any later version. |
10 |
|
|
* |
11 |
|
|
* FFmpeg is distributed in the hope that it will be useful, |
12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
|
|
* Lesser General Public License for more details. |
15 |
|
|
* |
16 |
|
|
* You should have received a copy of the GNU Lesser General Public |
17 |
|
|
* License along with FFmpeg; if not, write to the Free Software |
18 |
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 |
|
|
*/ |
20 |
|
|
|
21 |
|
|
#include <stdint.h> |
22 |
|
|
|
23 |
|
|
#include "libavutil/attributes.h" |
24 |
|
|
#include "exrdsp.h" |
25 |
|
|
#include "config.h" |
26 |
|
|
|
27 |
|
2893 |
static void reorder_pixels_scalar(uint8_t *dst, const uint8_t *src, ptrdiff_t size) |
28 |
|
|
{ |
29 |
|
2893 |
const uint8_t *t1 = src; |
30 |
|
2893 |
int half_size = size / 2; |
31 |
|
2893 |
const uint8_t *t2 = src + half_size; |
32 |
|
2893 |
uint8_t *s = dst; |
33 |
|
|
int i; |
34 |
|
|
|
35 |
✓✓ |
9551909 |
for (i = 0; i < half_size; i++) { |
36 |
|
9549016 |
*(s++) = *(t1++); |
37 |
|
9549016 |
*(s++) = *(t2++); |
38 |
|
|
} |
39 |
|
2893 |
} |
40 |
|
|
|
41 |
|
2893 |
static void predictor_scalar(uint8_t *src, ptrdiff_t size) |
42 |
|
|
{ |
43 |
|
|
ptrdiff_t i; |
44 |
|
|
|
45 |
✓✓ |
19098032 |
for (i = 1; i < size; i++) |
46 |
|
19095139 |
src[i] += src[i-1] - 128; |
47 |
|
2893 |
} |
48 |
|
|
|
49 |
|
139 |
av_cold void ff_exrdsp_init(ExrDSPContext *c) |
50 |
|
|
{ |
51 |
|
139 |
c->reorder_pixels = reorder_pixels_scalar; |
52 |
|
139 |
c->predictor = predictor_scalar; |
53 |
|
|
|
54 |
|
|
if (ARCH_X86) |
55 |
|
139 |
ff_exrdsp_init_x86(c); |
56 |
|
139 |
} |