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39 lines
1.4 KiB
39 lines
1.4 KiB
/* |
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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/fft.h" |
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void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
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void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
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void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); |
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av_cold void ff_mdct_init_aarch64(FFTContext *s) |
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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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s->imdct_calc = ff_imdct_calc_neon; |
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s->imdct_half = ff_imdct_half_neon; |
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s->mdct_calc = ff_mdct_calc_neon; |
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s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE; |
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} |
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}
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