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ce9d3daa8a
* qatar/master: aarch64: float_dsp NEON assembler Merged-by: Michael Niedermayer <michaelni@gmx.at>
70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/*
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* ARM NEON optimised Float DSP functions
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.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 <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/float_dsp.h"
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#include "cpu.h"
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void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1,
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int len);
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void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
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int len);
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void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
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int len);
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void ff_vector_dmul_scalar_neon(double *dst, const double *src, double mul,
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int len);
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void ff_vector_fmul_window_neon(float *dst, const float *src0,
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const float *src1, const float *win, int len);
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void ff_vector_fmul_add_neon(float *dst, const float *src0, const float *src1,
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const float *src2, int len);
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void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
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const float *src1, int len);
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void ff_butterflies_float_neon(float *v1, float *v2, int len);
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float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
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av_cold void ff_float_dsp_init_aarch64(AVFloatDSPContext *fdsp)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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fdsp->butterflies_float = ff_butterflies_float_neon;
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fdsp->scalarproduct_float = ff_scalarproduct_float_neon;
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fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_neon;
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fdsp->vector_fmul = ff_vector_fmul_neon;
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fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
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fdsp->vector_fmul_add = ff_vector_fmul_add_neon;
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fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
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fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
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fdsp->vector_fmul_window = ff_vector_fmul_window_neon;
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}
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}
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