| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2018 Paul B Mahol | ||
| 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/cpu.h" | ||
| 23 | #include "libavutil/x86/cpu.h" | ||
| 24 | #include "libavfilter/f_ebur128.h" | ||
| 25 | |||
| 26 | void ff_ebur128_filter_channels_avx(const EBUR128DSPContext *, const double *, | ||
| 27 | double *, double *, double *, double *, int); | ||
| 28 | |||
| 29 | double ff_ebur128_find_peak_2ch_avx(double *, int, const double *, int); | ||
| 30 | |||
| 31 | 1 | av_cold void ff_ebur128_init_x86(EBUR128DSPContext *dsp, int nb_channels) | |
| 32 | { | ||
| 33 | #if ARCH_X86_64 | ||
| 34 | 1 | int cpu_flags = av_get_cpu_flags(); | |
| 35 | |||
| 36 |
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1 | if (EXTERNAL_AVX(cpu_flags)) { |
| 37 |
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1 | if (nb_channels >= 2) |
| 38 | 1 | dsp->filter_channels = ff_ebur128_filter_channels_avx; | |
| 39 |
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1 | if (nb_channels == 2) |
| 40 | 1 | dsp->find_peak = ff_ebur128_find_peak_2ch_avx; | |
| 41 | } | ||
| 42 | #endif | ||
| 43 | 1 | } | |
| 44 |