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https://github.com/FFmpeg/FFmpeg.git
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3956a5e0ea
From the ARMv7 NEON version. 16 times faster as the C version, overall more than 12% faster vorbis decoding on Apple's A7.
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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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/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavcodec/vorbisdsp.h"
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void ff_vorbis_inverse_coupling_neon(float *mag, float *ang,
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intptr_t blocksize);
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av_cold void ff_vorbisdsp_init_aarch64(VorbisDSPContext *c)
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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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c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_neon;
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}
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}
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