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  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.  
  26. typedef 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);
  32. } SynthFilterContext;
  33.  
  34. void ff_synth_filter_init(SynthFilterContext *c);
  35. void ff_synth_filter_init_arm(SynthFilterContext *c);
  36.  
  37. #endif /* AVCODEC_SYNTH_FILTER_H */
  38.