eden/externals/oboe/samples/SoundBoard/src/main/cpp/SoundBoardEngine.h

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/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SOUNDBOARD_ENGINE_H
#define SOUNDBOARD_ENGINE_H
#include <oboe/Oboe.h>
#include <vector>
#include "Synth.h"
#include <DefaultDataCallback.h>
#include <TappableAudioSource.h>
#include <IRestartable.h>
#include <DefaultErrorCallback.h>
using namespace oboe;
class SoundBoardEngine : public IRestartable {
public:
SoundBoardEngine(int32_t numSignals);
virtual ~SoundBoardEngine();
void noteOff(int32_t noteIndex);
void noteOn(int32_t noteIndex);
void tap(bool isDown);
// from IRestartable
virtual void restart() override;
bool start();
bool stop();
private:
int32_t mNumSignals;
std::shared_ptr<AudioStream> mStream;
std::shared_ptr<Synth> mSynth;
std::shared_ptr<DefaultDataCallback> mDataCallback;
std::shared_ptr<DefaultErrorCallback> mErrorCallback;
bool attemptStart();
oboe::Result createPlaybackStream();
void createCallback(int32_t numSignals);
};
#endif //SOUNDBOARD_ENGINE_H