mirror of
https://git.ffmpeg.org/ffmpeg.git
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ff30d12159
Before After
Mean StdDev Mean StdDev Change
This function 1323.0 98.0 746.2 60.6 +77.3%
Overall 15400.0 336.4 14147.5 288.4 +8.9%
Signed-off-by: Martin Storsjö <martin@martin.st>
49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/*
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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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 "config.h"
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#include "libavutil/arm/cpu.h"
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#include "libavutil/attributes.h"
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#include "libavcodec/dcadsp.h"
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void ff_dca_lfe_fir_vfp(float *out, const float *in, const float *coefs,
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int decifactor, float scale);
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void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
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SynthFilterContext *synth, FFTContext *imdct,
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float synth_buf_ptr[512],
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int *synth_buf_offset, float synth_buf2[32],
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const float window[512], float *samples_out,
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float raXin[32], float scale);
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void ff_dca_lfe_fir_neon(float *out, const float *in, const float *coefs,
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int decifactor, float scale);
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av_cold void ff_dcadsp_init_arm(DCADSPContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
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s->lfe_fir = ff_dca_lfe_fir_vfp;
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s->qmf_32_subbands = ff_dca_qmf_32_subbands_vfp;
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}
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if (have_neon(cpu_flags))
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s->lfe_fir = ff_dca_lfe_fir_neon;
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}
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