/* * Copyright 2019 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 OBOETESTER_FULL_DUPLEX_ECHO_H #define OBOETESTER_FULL_DUPLEX_ECHO_H #include #include #include "oboe/Oboe.h" #include "analyzer/LatencyAnalyzer.h" #include "FullDuplexStreamWithConversion.h" #include "InterpolatingDelayLine.h" class FullDuplexEcho : public FullDuplexStreamWithConversion { public: FullDuplexEcho() { setNumInputBurstsCushion(0); } /** * Called when data is available on both streams. * Caller should override this method. */ oboe::DataCallbackResult onBothStreamsReadyFloat( const float *inputData, int numInputFrames, float *outputData, int numOutputFrames ) override; oboe::Result start() override; double getPeakLevel(int index); void setDelayTime(double delayTimeSeconds) { mDelayTimeSeconds = delayTimeSeconds; } private: std::unique_ptr mDelayLine; static constexpr double kMaxDelayTimeSeconds = 4.0; double mDelayTimeSeconds = kMaxDelayTimeSeconds; std::atomic mNumChannels{0}; std::unique_ptr mPeakDetectors; }; #endif //OBOETESTER_FULL_DUPLEX_ECHO_H