| /* |
| * 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 NATIVEOBOE_IMPULSE_GENERATOR_H |
| #define NATIVEOBOE_IMPULSE_GENERATOR_H |
| |
| #include <unistd.h> |
| #include <sys/types.h> |
| |
| #include "AudioProcessorBase.h" |
| #include "OscillatorBase.h" |
| |
| /** |
| * Generate a raw impulse equal to the amplitude. |
| * The output baseline is zero. |
| * |
| * The waveform is not band-limited so it will have aliasing artifacts at higher frequencies. |
| */ |
| class ImpulseOscillator : public OscillatorBase { |
| public: |
| ImpulseOscillator(); |
| |
| int32_t onProcess(int numFrames) override; |
| }; |
| |
| #endif //NATIVEOBOE_IMPULSE_GENERATOR_H |