libavcodec/synth_filter.h

   1 /*
   2  * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
   3  *
   4  * This file is part of Libav.
   5  *
   6  * Libav 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  * Libav 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 Libav; 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 */