1 /* 2 * Copyright 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef OBOETESTER_FULL_DUPLEX_STREAM_WITH_CONVERSION_H 18 #define OBOETESTER_FULL_DUPLEX_STREAM_WITH_CONVERSION_H 19 20 #include <unistd.h> 21 #include <sys/types.h> 22 23 #include "oboe/Oboe.h" 24 #include "FormatConverterBox.h" 25 26 class FullDuplexStreamWithConversion : public oboe::FullDuplexStream { 27 public: 28 /** 29 * Called when data is available on both streams. 30 * Caller must override this method. 31 */ 32 virtual oboe::DataCallbackResult onBothStreamsReadyFloat( 33 const float *inputData, 34 int numInputFrames, 35 float *outputData, 36 int numOutputFrames 37 ) = 0; 38 39 /** 40 * Overrides the default onBothStreamsReady by converting to floats and then calling 41 * onBothStreamsReadyFloat(). 42 */ 43 oboe::DataCallbackResult onBothStreamsReady( 44 const void *inputData, 45 int numInputFrames, 46 void *outputData, 47 int numOutputFrames 48 ) override; 49 50 oboe::ResultWithValue<int32_t> readInput(int32_t numFrames) override; 51 52 virtual oboe::Result start() override; 53 54 private: 55 std::unique_ptr<FormatConverterBox> mInputConverter; 56 std::unique_ptr<FormatConverterBox> mOutputConverter; 57 58 }; 59 60 61 #endif //OBOETESTER_FULL_DUPLEX_STREAM_WITH_CONVERSION_H 62