FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/x86/af_volume_init.c
Date: 2022-12-09 07:38:14
Exec Total Coverage
Lines: 7 18 38.9%
Functions: 1 1 100.0%
Branches: 4 18 22.2%

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 "libavutil/cpu.h"
22 #include "libavutil/samplefmt.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavfilter/af_volume.h"
25
26 void ff_scale_samples_s16_sse2(uint8_t *dst, const uint8_t *src, int len,
27 int volume);
28
29 void ff_scale_samples_s32_sse2(uint8_t *dst, const uint8_t *src, int len,
30 int volume);
31 void ff_scale_samples_s32_ssse3_atom(uint8_t *dst, const uint8_t *src, int len,
32 int volume);
33 void ff_scale_samples_s32_avx(uint8_t *dst, const uint8_t *src, int len,
34 int volume);
35
36 2 av_cold void ff_volume_init_x86(VolumeContext *vol)
37 {
38 2 int cpu_flags = av_get_cpu_flags();
39 2 enum AVSampleFormat sample_fmt = av_get_packed_sample_fmt(vol->sample_fmt);
40
41
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2 if (sample_fmt == AV_SAMPLE_FMT_S16) {
42
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1 if (EXTERNAL_SSE2(cpu_flags) && vol->volume_i < 32768) {
43 vol->scale_samples = ff_scale_samples_s16_sse2;
44 vol->samples_align = 8;
45 }
46
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1 } else if (sample_fmt == AV_SAMPLE_FMT_S32) {
47 if (EXTERNAL_SSE2(cpu_flags)) {
48 vol->scale_samples = ff_scale_samples_s32_sse2;
49 vol->samples_align = 4;
50 }
51 if (EXTERNAL_SSSE3(cpu_flags) && cpu_flags & AV_CPU_FLAG_ATOM) {
52 vol->scale_samples = ff_scale_samples_s32_ssse3_atom;
53 vol->samples_align = 4;
54 }
55 if (EXTERNAL_AVX_FAST(cpu_flags)) {
56 vol->scale_samples = ff_scale_samples_s32_avx;
57 vol->samples_align = 8;
58 }
59 }
60 2 }
61