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/* |
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* Opus encoder assembly optimizations |
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* Copyright (C) 2017 Ivan Kalvachev <ikalvachev@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 "config.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/opus_pvq.h" |
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extern float ff_pvq_search_approx_sse2(float *X, int *y, int K, int N); |
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extern float ff_pvq_search_approx_sse4(float *X, int *y, int K, int N); |
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extern float ff_pvq_search_exact_avx (float *X, int *y, int K, int N); |
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av_cold void ff_celt_pvq_init_x86(CeltPVQ *s) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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✓✓ |
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if (EXTERNAL_SSE2(cpu_flags)) |
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s->pvq_search = ff_pvq_search_approx_sse2; |
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✓✓ |
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if (EXTERNAL_SSE4(cpu_flags)) |
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s->pvq_search = ff_pvq_search_approx_sse4; |
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✓✓✓✗
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if (EXTERNAL_AVX_FAST(cpu_flags)) |
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s->pvq_search = ff_pvq_search_exact_avx; |
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} |