FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vorbisdsp.c
Date: 2022-11-28 23:49:43
Exec Total Coverage
Lines: 17 17 100.0%
Branches: 8 8 100.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "config.h"
20 #include "libavutil/attributes.h"
21 #include "vorbisdsp.h"
22
23 5390 static void vorbis_inverse_coupling_c(float *mag, float *ang, ptrdiff_t blocksize)
24 {
25
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4059150 for (ptrdiff_t i = 0; i < blocksize; i++) {
26 4053760 float angi = ang[i], magi = mag[i];
27
28
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4053760 if (magi > 0.f) {
29
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627021 if (angi > 0.f) {
30 157461 ang[i] = magi - angi;
31 } else {
32 469560 ang[i] = magi;
33 469560 mag[i] = magi + angi;
34 }
35 } else {
36
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3426739 if (angi > 0.f) {
37 161290 ang[i] = magi + angi;
38 } else {
39 3265449 ang[i] = magi;
40 3265449 mag[i] = magi - angi;
41 }
42 }
43 }
44 5390 }
45
46 79 av_cold void ff_vorbisdsp_init(VorbisDSPContext *dsp)
47 {
48 79 dsp->vorbis_inverse_coupling = vorbis_inverse_coupling_c;
49
50 #if ARCH_AARCH64
51 ff_vorbisdsp_init_aarch64(dsp);
52 #elif ARCH_ARM
53 ff_vorbisdsp_init_arm(dsp);
54 #elif ARCH_PPC
55 ff_vorbisdsp_init_ppc(dsp);
56 #elif ARCH_RISCV
57 ff_vorbisdsp_init_riscv(dsp);
58 #elif ARCH_X86
59 79 ff_vorbisdsp_init_x86(dsp);
60 #endif
61 79 }
62