57 lines
2.3 KiB
C
57 lines
2.3 KiB
C
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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 "libavcodec/lossless_audiodsp.h"
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int32_t ff_scalarproduct_and_madd_int16_mmxext(int16_t *v1, const int16_t *v2,
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const int16_t *v3,
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int order, int mul);
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int32_t ff_scalarproduct_and_madd_int16_sse2(int16_t *v1, const int16_t *v2,
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const int16_t *v3,
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int order, int mul);
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int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
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const int16_t *v3,
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int order, int mul);
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int32_t ff_scalarproduct_and_madd_int32_sse4(int16_t *v1, const int32_t *v2,
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const int16_t *v3,
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int order, int mul);
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av_cold void ff_llauddsp_init_x86(LLAudDSPContext *c)
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{
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#if HAVE_X86ASM
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_MMXEXT(cpu_flags))
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c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;
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if (EXTERNAL_SSE2(cpu_flags))
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c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_sse2;
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if (EXTERNAL_SSSE3(cpu_flags) &&
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!(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit
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c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3;
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if (EXTERNAL_SSE4(cpu_flags))
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c->scalarproduct_and_madd_int32 = ff_scalarproduct_and_madd_int32_sse4;
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#endif
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}
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