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15784c2bab
* commit '9d5c62ba5b586c80af508b5914934b1c439f6652': lavu/opt: do not filter out the initial sign character except for flags eval: treat dB as decibels instead of decibytes float_dsp: add vector_dmul_scalar() to multiply a vector of doubles Conflicts: libavutil/eval.c tests/ref/fate/eval Merged-by: Michael Niedermayer <michaelni@gmx.at>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* Copyright 2005 Balatoni Denes
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* Copyright 2006 Loren Merritt
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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 "float_dsp.h"
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static void vector_fmul_c(float *dst, const float *src0, const float *src1,
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int len)
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{
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int i;
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for (i = 0; i < len; i++)
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dst[i] = src0[i] * src1[i];
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}
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static void vector_fmac_scalar_c(float *dst, const float *src, float mul,
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int len)
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{
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int i;
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for (i = 0; i < len; i++)
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dst[i] += src[i] * mul;
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}
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static void vector_fmul_scalar_c(float *dst, const float *src, float mul,
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int len)
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{
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int i;
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for (i = 0; i < len; i++)
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dst[i] = src[i] * mul;
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}
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static void vector_dmul_scalar_c(double *dst, const double *src, double mul,
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int len)
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{
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int i;
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for (i = 0; i < len; i++)
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dst[i] = src[i] * mul;
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}
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void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
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{
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fdsp->vector_fmul = vector_fmul_c;
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fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
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fdsp->vector_fmul_scalar = vector_fmul_scalar_c;
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fdsp->vector_dmul_scalar = vector_dmul_scalar_c;
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#if ARCH_ARM
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ff_float_dsp_init_arm(fdsp);
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#elif ARCH_PPC
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ff_float_dsp_init_ppc(fdsp, bit_exact);
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#elif ARCH_X86
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ff_float_dsp_init_x86(fdsp);
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#elif ARCH_MIPS
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ff_float_dsp_init_mips(fdsp);
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#endif
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}
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