45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/*
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* Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
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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/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/vorbisdsp.h"
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void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang,
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intptr_t blocksize);
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void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
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intptr_t blocksize);
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av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
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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_AMD3DNOW(cpu_flags))
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dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_3dnow;
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#endif /* ARCH_X86_32 */
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if (EXTERNAL_SSE(cpu_flags))
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dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse;
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#endif /* HAVE_YASM */
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}
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