mirror of https://git.ffmpeg.org/ffmpeg.git
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/*
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* Copyright (c) 2016 Muhammad Faiz <mfcc64@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavfilter/avf_showcqt.h"
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#define DECLARE_CQT_CALC(type) \
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void ff_showcqt_cqt_calc_##type(AVComplexFloat *dst, const AVComplexFloat *src, \
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const Coeffs *coeffs, int len, int fft_len)
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DECLARE_CQT_CALC(sse);
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DECLARE_CQT_CALC(sse3);
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DECLARE_CQT_CALC(avx);
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DECLARE_CQT_CALC(fma3);
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DECLARE_CQT_CALC(fma4);
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#define permute_coeffs_0 NULL
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static void permute_coeffs_01452367(float *v, int len)
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{
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int k;
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for (k = 0; k < len; k += 8) {
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FFSWAP(float, v[k+2], v[k+4]);
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FFSWAP(float, v[k+3], v[k+5]);
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}
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}
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av_cold void ff_showcqt_init_x86(ShowCQTContext *s)
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{
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int cpuflags = av_get_cpu_flags();
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#define SELECT_CQT_CALC(type, TYPE, align, perm) \
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if (EXTERNAL_##TYPE(cpuflags)) { \
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s->cqt_calc = ff_showcqt_cqt_calc_##type; \
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s->cqt_align = align; \
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s->permute_coeffs = permute_coeffs_##perm; \
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}
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SELECT_CQT_CALC(sse, SSE, 4, 0);
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SELECT_CQT_CALC(sse3, SSE3_FAST, 4, 0);
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SELECT_CQT_CALC(fma4, FMA4, 4, 0); // using xmm
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SELECT_CQT_CALC(avx, AVX_FAST, 8, 01452367);
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SELECT_CQT_CALC(fma3, FMA3_FAST, 8, 01452367);
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}
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