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61e3cccd36
The only systems which benefit from ff_lfe_fir0_float_sse are truely ancient 32bit x86s as all other systems use at least the SSE2 versions (this includes all x64 cpus (which is why this code is restricted to x86-32)). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
50 lines
1.9 KiB
C
50 lines
1.9 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 "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 "libavcodec/dcadsp.h"
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#define LFE_FIR_FLOAT_FUNC(opt) \
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void ff_lfe_fir0_float_##opt(float *pcm_samples, int32_t *lfe_samples, \
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const float *filter_coeff, ptrdiff_t npcmblocks); \
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void ff_lfe_fir1_float_##opt(float *pcm_samples, int32_t *lfe_samples, \
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const float *filter_coeff, ptrdiff_t npcmblocks);
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LFE_FIR_FLOAT_FUNC(sse2)
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LFE_FIR_FLOAT_FUNC(sse3)
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LFE_FIR_FLOAT_FUNC(avx)
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LFE_FIR_FLOAT_FUNC(fma3)
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av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE2(cpu_flags))
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s->lfe_fir_float[0] = ff_lfe_fir0_float_sse2;
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if (EXTERNAL_SSE3(cpu_flags))
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s->lfe_fir_float[1] = ff_lfe_fir1_float_sse3;
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if (EXTERNAL_AVX(cpu_flags)) {
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s->lfe_fir_float[0] = ff_lfe_fir0_float_avx;
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s->lfe_fir_float[1] = ff_lfe_fir1_float_avx;
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}
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if (EXTERNAL_FMA3(cpu_flags))
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s->lfe_fir_float[0] = ff_lfe_fir0_float_fma3;
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}
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