1/* 2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavcodec/fft.h" 22#include "libavcodec/synth_filter.h" 23 24void ff_fft_permute_neon(FFTContext *s, FFTComplex *z); 25void ff_fft_calc_neon(FFTContext *s, FFTComplex *z); 26 27void ff_imdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); 28void ff_imdct_half_neon(FFTContext *s, FFTSample *output, const FFTSample *input); 29void ff_mdct_calc_neon(FFTContext *s, FFTSample *output, const FFTSample *input); 30 31void ff_rdft_calc_neon(struct RDFTContext *s, FFTSample *z); 32 33void ff_synth_filter_float_neon(FFTContext *imdct, 34 float *synth_buf_ptr, int *synth_buf_offset, 35 float synth_buf2[32], const float window[512], 36 float out[32], const float in[32], 37 float scale, float bias); 38 39av_cold void ff_fft_init_arm(FFTContext *s) 40{ 41 if (HAVE_NEON) { 42 s->fft_permute = ff_fft_permute_neon; 43 s->fft_calc = ff_fft_calc_neon; 44 s->imdct_calc = ff_imdct_calc_neon; 45 s->imdct_half = ff_imdct_half_neon; 46 s->mdct_calc = ff_mdct_calc_neon; 47 s->permutation = FF_MDCT_PERM_INTERLEAVE; 48 } 49} 50 51#if CONFIG_RDFT 52av_cold void ff_rdft_init_arm(RDFTContext *s) 53{ 54 if (HAVE_NEON) 55 s->rdft_calc = ff_rdft_calc_neon; 56} 57#endif 58 59#if CONFIG_DCA_DECODER 60av_cold void ff_synth_filter_init_arm(SynthFilterContext *s) 61{ 62 if (HAVE_NEON) 63 s->synth_filter_float = ff_synth_filter_float_neon; 64} 65#endif 66