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libavutil
arm
float_dsp_init_vfp.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2008 Siarhei Siamashka <ssvb@users.sourceforge.net>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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/float_dsp.h
"
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#include "
cpu.h
"
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#include "
float_dsp_arm.h
"
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void
ff_vector_fmul_vfp
(
float
*dst,
const
float
*src0,
const
float
*src1,
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int
len
);
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void
ff_float_dsp_init_vfp
(
AVFloatDSPContext
*fdsp)
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{
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int
cpu_flags
=
av_get_cpu_flags
();
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if
(!
have_vfpv3
(cpu_flags))
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fdsp->
vector_fmul
=
ff_vector_fmul_vfp
;
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}
ff_float_dsp_init_vfp
void ff_float_dsp_init_vfp(AVFloatDSPContext *fdsp)
Definition:
float_dsp_init_vfp.c:28
float_dsp.h
have_vfpv3
#define have_vfpv3(flags)
Definition:
cpu.h:29
AVFloatDSPContext::vector_fmul
void(* vector_fmul)(float *dst, const float *src0, const float *src1, int len)
Calculate the product of two vectors of floats and store the result in a vector of floats...
Definition:
float_dsp.h:36
AVFloatDSPContext
Definition:
float_dsp.h:22
cpu_flags
static int cpu_flags
Definition:
dct-test.c:76
float_dsp_arm.h
cpu.h
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition:
cpu.c:25
ff_vector_fmul_vfp
void ff_vector_fmul_vfp(float *dst, const float *src0, const float *src1, int len)
len
int len
Definition:
vorbis_enc_data.h:452