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88 lines
3.5 KiB
88 lines
3.5 KiB
/* |
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* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs); |
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void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs); |
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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_SSE(cpu_flags)) { |
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s->lfe_fir[0] = ff_dca_lfe_fir0_sse; |
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s->lfe_fir[1] = ff_dca_lfe_fir1_sse; |
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} |
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} |
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#define SYNTH_FILTER_FUNC(opt) \ |
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void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \ |
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const float window[512], \ |
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float out[32], intptr_t offset, float scale); \ |
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static void synth_filter_##opt(FFTContext *imdct, \ |
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float *synth_buf_ptr, int *synth_buf_offset, \ |
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float synth_buf2[32], const float window[512], \ |
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float out[32], const float in[32], float scale) \ |
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{ \ |
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float *synth_buf= synth_buf_ptr + *synth_buf_offset; \ |
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\ |
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imdct->imdct_half(imdct, synth_buf, in); \ |
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\ |
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ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \ |
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out, *synth_buf_offset, scale); \ |
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\ |
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*synth_buf_offset = (*synth_buf_offset - 32) & 511; \ |
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} \ |
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#if HAVE_YASM |
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#if ARCH_X86_32 |
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SYNTH_FILTER_FUNC(sse) |
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#endif |
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SYNTH_FILTER_FUNC(sse2) |
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SYNTH_FILTER_FUNC(avx) |
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SYNTH_FILTER_FUNC(fma3) |
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#endif /* HAVE_YASM */ |
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av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) |
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{ |
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#if HAVE_YASM |
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int cpu_flags = av_get_cpu_flags(); |
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#if ARCH_X86_32 |
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if (EXTERNAL_SSE(cpu_flags)) { |
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s->synth_filter_float = synth_filter_sse; |
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} |
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#endif |
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if (EXTERNAL_SSE2(cpu_flags)) { |
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s->synth_filter_float = synth_filter_sse2; |
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} |
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if (EXTERNAL_AVX_FAST(cpu_flags)) { |
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s->synth_filter_float = synth_filter_avx; |
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} |
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if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) { |
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s->synth_filter_float = synth_filter_fma3; |
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} |
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#endif /* HAVE_YASM */ |
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}
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