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1 /*
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2 * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
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3 *
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4 * This file is part of FFmpeg.
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5 *
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6 * FFmpeg is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU Lesser General Public
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8 * License as published by the Free Software Foundation; either
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9 * version 2.1 of the License, or (at your option) any later version.
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10 *
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11 * FFmpeg is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with FFmpeg; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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19 */
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20
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21 #ifndef AVCODEC_SYNTH_FILTER_H
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22 #define AVCODEC_SYNTH_FILTER_H
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23
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24 #include "fft.h"
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25
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26 typedef struct SynthFilterContext {
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27 void (*synth_filter_float)(FFTContext *imdct,
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28 float *synth_buf_ptr, int *synth_buf_offset,
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29 float synth_buf2[32], const float window[512],
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30 float out[32], const float in[32],
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31 float scale);
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32 } SynthFilterContext;
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33
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34 void ff_synth_filter_init(SynthFilterContext *c);
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35 void ff_synth_filter_init_arm(SynthFilterContext *c);
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36
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37 #endif /* AVCODEC_SYNTH_FILTER_H */
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