FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/dcamath.h
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 17 19 89.5%
Branches: 1 2 50.0%

Line Branch Exec Source
1 /*
2 * Copyright (C) 2016 foo86
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 #ifndef AVCODEC_DCAMATH_H
22 #define AVCODEC_DCAMATH_H
23
24 #include "libavutil/common.h"
25 #include "libavutil/intmath.h"
26
27 112234273 static inline int32_t norm__(int64_t a, int bits)
28 {
29
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112234273 if (bits > 0)
30 112234273 return (int32_t)((a + (INT64_C(1) << (bits - 1))) >> bits);
31 else
32 return (int32_t)a;
33 }
34
35 86553270 static inline int32_t mul__(int32_t a, int32_t b, int bits)
36 {
37 86553270 return norm__((int64_t)a * b, bits);
38 }
39
40 392496 static inline int32_t norm13(int64_t a) { return norm__(a, 13); }
41 4662555 static inline int32_t norm16(int64_t a) { return norm__(a, 16); }
42 860160 static inline int32_t norm20(int64_t a) { return norm__(a, 20); }
43 7512064 static inline int32_t norm21(int64_t a) { return norm__(a, 21); }
44 4959744 static inline int32_t norm23(int64_t a) { return norm__(a, 23); }
45
46 224706 static inline int32_t mul15(int32_t a, int32_t b) { return mul__(a, b, 15); }
47 257134 static inline int32_t mul16(int32_t a, int32_t b) { return mul__(a, b, 16); }
48 40656 static inline int32_t mul17(int32_t a, int32_t b) { return mul__(a, b, 17); }
49 917504 static inline int32_t mul22(int32_t a, int32_t b) { return mul__(a, b, 22); }
50 13101466 static inline int32_t mul23(int32_t a, int32_t b) { return mul__(a, b, 23); }
51 static inline int32_t mul31(int32_t a, int32_t b) { return mul__(a, b, 31); }
52 72011804 static inline int32_t mul32(int32_t a, int32_t b) { return mul__(a, b, 32); }
53
54 48417697 static inline int32_t clip23(int32_t a) { return av_clip_intp2(a, 23); }
55
56 #endif
57