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47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __RARCH_RESAMPLER_H
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#define __RARCH_RESAMPLER_H
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#include <stddef.h>
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#include <math.h>
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// M_PI is left out of ISO C99 :(
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#ifndef M_PI
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#define M_PI 3.14159265358979323846264338327
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#endif
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typedef struct rarch_resampler rarch_resampler_t;
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struct resampler_data
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{
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const float *data_in;
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float *data_out;
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size_t input_frames;
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size_t output_frames;
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double ratio;
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};
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rarch_resampler_t *resampler_new(void);
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void resampler_process(rarch_resampler_t *re, struct resampler_data *data);
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void resampler_free(rarch_resampler_t *re);
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#endif
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