FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/exrdsp.c
Date: 2022-07-04 00:18:54
Exec Total Coverage
Lines: 18 18 100.0%
Branches: 4 4 100.0%

Line Branch Exec Source
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 20552 static void reorder_pixels_scalar(uint8_t *dst, const uint8_t *src, ptrdiff_t size)
28 {
29 20552 const uint8_t *t1 = src;
30 20552 int half_size = size / 2;
31 20552 const uint8_t *t2 = src + half_size;
32 20552 uint8_t *s = dst;
33 int i;
34
35
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68618032 for (i = 0; i < half_size; i++) {
36 68597480 *(s++) = *(t1++);
37 68597480 *(s++) = *(t2++);
38 }
39 20552 }
40
41 20552 static void predictor_scalar(uint8_t *src, ptrdiff_t size)
42 {
43 ptrdiff_t i;
44
45
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137194960 for (i = 1; i < size; i++)
46 137174408 src[i] += src[i-1] - 128;
47 20552 }
48
49 185 av_cold void ff_exrdsp_init(ExrDSPContext *c)
50 {
51 185 c->reorder_pixels = reorder_pixels_scalar;
52 185 c->predictor = predictor_scalar;
53
54 #if ARCH_X86
55 185 ff_exrdsp_init_x86(c);
56 #endif
57 185 }
58