1/* 2 * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at> 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#ifndef AVCODEC_SYNTH_FILTER_H 22#define AVCODEC_SYNTH_FILTER_H 23 24#include "fft.h" 25 26typedef struct SynthFilterContext { 27 void (*synth_filter_float)(FFTContext *imdct, 28 float *synth_buf_ptr, int *synth_buf_offset, 29 float synth_buf2[32], const float window[512], 30 float out[32], const float in[32], 31 float scale, float bias); 32} SynthFilterContext; 33 34void ff_synth_filter_init(SynthFilterContext *c); 35void ff_synth_filter_init_arm(SynthFilterContext *c); 36 37#endif /* AVCODEC_SYNTH_FILTER_H */ 38