FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_idetdsp.c
Date: 2026-04-29 05:33:45
Exec Total Coverage
Lines: 10 19 52.6%
Functions: 2 3 66.7%
Branches: 3 6 50.0%

Line Branch Exec Source
1 /*
2 * Copyright (C) 2012 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
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 <libavutil/attributes.h>
22 #include <libavutil/common.h>
23
24 #include "vf_idetdsp.h"
25
26 44524 int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
27 {
28 int x;
29 44524 int ret=0;
30
31
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15715852 for(x=0; x<w; x++){
32 15671328 int v = (*a++ + *c++) - 2 * *b++;
33 15671328 ret += FFABS(v);
34 }
35
36 44524 return ret;
37 }
38
39 int ff_idet_filter_line_c_16bit(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w)
40 {
41 int x;
42 int ret=0;
43
44 const uint16_t *a16 = (const uint16_t *) a;
45 const uint16_t *b16 = (const uint16_t *) b;
46 const uint16_t *c16 = (const uint16_t *) c;
47
48 for(x=0; x<w; x++){
49 int v = (*a16++ + *c16++) - 2 * *b16++;
50 ret += FFABS(v);
51 }
52
53 return ret;
54 }
55
56 31 void av_cold ff_idet_dsp_init(IDETDSPContext *dsp, int depth)
57 {
58
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31 dsp->filter_line = depth > 8 ? ff_idet_filter_line_c_16bit : ff_idet_filter_line_c;
59 #if ARCH_X86 && HAVE_X86ASM
60 31 ff_idet_dsp_init_x86(dsp, depth);
61 #endif
62 31 }
63