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ffmpeg / libavcodec / arm / fft_init_arm.c @ 2912e87a

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/*
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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 "libavcodec/fft.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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    if (HAVE_NEON) {
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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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        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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#if CONFIG_RDFT
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av_cold void ff_rdft_init_arm(RDFTContext *s)
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{
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    if (HAVE_NEON)
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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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    if (HAVE_NEON)
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        s->synth_filter_float = ff_synth_filter_float_neon;
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}
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#endif