apps/OboeTester/app/src/main/cpp/flowgraph/SawtoothOscillator.h

/*
 * Copyright 2015 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 FLOWGRAPH_SAWTOOTH_OSCILLATOR_H
#define FLOWGRAPH_SAWTOOTH_OSCILLATOR_H

#include <unistd.h>

#include "OscillatorBase.h"

/**
 * Oscillator that generates a sawtooth wave at the specified frequency and amplitude.
 *
 * The waveform is not band-limited so it will have aliasing artifacts at higher frequencies.
 */
class SawtoothOscillator : public OscillatorBase {
public:
    SawtoothOscillator();

    int32_t onProcess(int numFrames) override;
};

#endif //FLOWGRAPH_SAWTOOTH_OSCILLATOR_H