FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vp6dsp.c
Date: 2021-09-24 20:55:06
Exec Total Coverage
Lines: 21 21 100.0%
Branches: 8 8 100.0%

Line Branch Exec Source
1 /*
2 * Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>
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 /**
22 * @file
23 * VP6 DSP-oriented functions
24 */
25
26 #include "libavutil/common.h"
27 #include "vp56dsp.h"
28
29
30 27346 void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
31 const int16_t *h_weights, const int16_t *v_weights)
32 {
33 int x, y;
34 int tmp[8*11];
35 27346 int *t = tmp;
36
37 27346 src -= stride;
38
39
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40
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2707254 for (x=0; x<8; x++) {
41 2406448 t[x] = av_clip_uint8(( src[x-1] * h_weights[0]
42 2406448 + src[x ] * h_weights[1]
43 2406448 + src[x+1] * h_weights[2]
44 2406448 + src[x+2] * h_weights[3] + 64) >> 7);
45 }
46 300806 src += stride;
47 300806 t += 8;
48 }
49
50 27346 t = tmp + 8;
51
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52
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1968912 for (x=0; x<8; x++) {
53 1750144 dst[x] = av_clip_uint8(( t[x-8 ] * v_weights[0]
54 1750144 + t[x ] * v_weights[1]
55 1750144 + t[x+8 ] * v_weights[2]
56 1750144 + t[x+16] * v_weights[3] + 64) >> 7);
57 }
58 218768 dst += stride;
59 218768 t += 8;
60 }
61 27346 }
62