mgba/include/mgba-util/audio-resampler.h

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/* Copyright (c) 2013-2024 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef M_AUDIO_RESAMPLER_H
#define M_AUDIO_RESAMPLER_H
#include <mgba-util/common.h>
CXX_GUARD_START
#include <mgba-util/interpolator.h>
struct mAudioBuffer;
struct mAudioResampler {
struct mAudioBuffer* source;
struct mAudioBuffer* destination;
double sourceRate;
double destRate;
double timestamp;
double lowWaterMark;
double highWaterMark;
enum mInterpolatorType interpType;
union {
struct mInterpolator interp;
struct mInterpolatorSinc sinc;
struct mInterpolatorCosine cosine;
};
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bool consume;
};
void mAudioResamplerInit(struct mAudioResampler*, enum mInterpolatorType);
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void mAudioResamplerDeinit(struct mAudioResampler*);
void mAudioResamplerSetSource(struct mAudioResampler*, struct mAudioBuffer* source, double rate, bool consume);
void mAudioResamplerSetDestination(struct mAudioResampler*, struct mAudioBuffer* destination, double rate);
size_t mAudioResamplerProcess(struct mAudioResampler*);
CXX_GUARD_END
#endif