45 lines
2.1 KiB
C
45 lines
2.1 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Mupen64plus-rsp-hle - audio.h *
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* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
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* Copyright (C) 2014 Bobby Smiles *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* 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 *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef AUDIO_H
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#define AUDIO_H
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#include <stddef.h>
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#include <stdint.h>
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#include "osal/preproc.h"
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extern const int16_t RESAMPLE_LUT[64 * 4];
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int32_t rdot(size_t n, const int16_t *x, const int16_t *y);
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static osal_inline int16_t adpcm_predict_sample(uint8_t byte, uint8_t mask,
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unsigned lshift, unsigned rshift)
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{
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int16_t sample = (uint16_t)(byte & mask) << lshift;
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sample >>= rshift; /* signed */
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return sample;
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}
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void adpcm_compute_residuals(int16_t* dst, const int16_t* src,
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const int16_t* cb_entry, const int16_t* last_samples, size_t count);
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#endif
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