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47 lines
2.0 KiB
47 lines
2.0 KiB
/* |
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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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av_cold void ff_llauddsp_init_x86(LLAudDSPContext *c) |
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{ |
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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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}
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