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75 lines
2.5 KiB
75 lines
2.5 KiB
/* |
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* Copyright (c) 2009 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 "libavutil/arm/cpu.h" |
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#include "libavcodec/fft.h" |
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#include "libavcodec/rdft.h" |
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#include "libavcodec/synth_filter.h" |
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void ff_fft_permute_neon(FFTContext *s, FFTComplex *z); |
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void ff_fft_calc_neon(FFTContext *s, FFTComplex *z); |
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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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void ff_rdft_calc_neon(struct RDFTContext *s, FFTSample *z); |
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void ff_synth_filter_float_neon(FFTContext *imdct, |
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float *synth_buf_ptr, int *synth_buf_offset, |
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float synth_buf2[32], const float window[512], |
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float out[32], const float in[32], |
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float scale); |
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av_cold void ff_fft_init_arm(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->fft_permute = ff_fft_permute_neon; |
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s->fft_calc = ff_fft_calc_neon; |
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#if CONFIG_MDCT |
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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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#endif |
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} |
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} |
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#if CONFIG_RDFT |
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av_cold void ff_rdft_init_arm(RDFTContext *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->rdft_calc = ff_rdft_calc_neon; |
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} |
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#endif |
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#if CONFIG_DCA_DECODER |
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av_cold void ff_synth_filter_init_arm(SynthFilterContext *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->synth_filter_float = ff_synth_filter_float_neon; |
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} |
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#endif
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