5402c1886b
fcmul_add_c: 1228.8 fcmul_add_sse3: 334.3 fcmul_add_avx: 186.3 Tested on a Core i5 4460 @ 3.2GHz Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/*
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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 "config.h"
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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/af_afir.h"
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void ff_fcmul_add_sse3(float *sum, const float *t, const float *c,
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ptrdiff_t len);
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void ff_fcmul_add_avx(float *sum, const float *t, const float *c,
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ptrdiff_t len);
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av_cold void ff_afir_init_x86(AudioFIRDSPContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE3(cpu_flags)) {
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s->fcmul_add = ff_fcmul_add_sse3;
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}
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if (EXTERNAL_AVX_FAST(cpu_flags)) {
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s->fcmul_add = ff_fcmul_add_avx;
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}
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}
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