1*05767d91SRobert Wu /* 2*05767d91SRobert Wu * Copyright 2017 The Android Open Source Project 3*05767d91SRobert Wu * 4*05767d91SRobert Wu * Licensed under the Apache License, Version 2.0 (the "License"); 5*05767d91SRobert Wu * you may not use this file except in compliance with the License. 6*05767d91SRobert Wu * You may obtain a copy of the License at 7*05767d91SRobert Wu * 8*05767d91SRobert Wu * http://www.apache.org/licenses/LICENSE-2.0 9*05767d91SRobert Wu * 10*05767d91SRobert Wu * Unless required by applicable law or agreed to in writing, software 11*05767d91SRobert Wu * distributed under the License is distributed on an "AS IS" BASIS, 12*05767d91SRobert Wu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*05767d91SRobert Wu * See the License for the specific language governing permissions and 14*05767d91SRobert Wu * limitations under the License. 15*05767d91SRobert Wu */ 16*05767d91SRobert Wu 17*05767d91SRobert Wu #ifndef OBOE_OUTPUT_MIXER_OPENSLES_H 18*05767d91SRobert Wu #define OBOE_OUTPUT_MIXER_OPENSLES_H 19*05767d91SRobert Wu 20*05767d91SRobert Wu #include <atomic> 21*05767d91SRobert Wu #include <mutex> 22*05767d91SRobert Wu 23*05767d91SRobert Wu #include <SLES/OpenSLES.h> 24*05767d91SRobert Wu #include <SLES/OpenSLES_Android.h> 25*05767d91SRobert Wu 26*05767d91SRobert Wu namespace oboe { 27*05767d91SRobert Wu 28*05767d91SRobert Wu /** 29*05767d91SRobert Wu * INTERNAL USE ONLY 30*05767d91SRobert Wu */ 31*05767d91SRobert Wu 32*05767d91SRobert Wu class OutputMixerOpenSL { 33*05767d91SRobert Wu public: 34*05767d91SRobert Wu static OutputMixerOpenSL &getInstance(); 35*05767d91SRobert Wu 36*05767d91SRobert Wu SLresult open(); 37*05767d91SRobert Wu 38*05767d91SRobert Wu void close(); 39*05767d91SRobert Wu 40*05767d91SRobert Wu SLresult createAudioPlayer(SLObjectItf *objectItf, 41*05767d91SRobert Wu SLDataSource *audioSource); 42*05767d91SRobert Wu 43*05767d91SRobert Wu private: 44*05767d91SRobert Wu // Make this a safe Singleton 45*05767d91SRobert Wu OutputMixerOpenSL()= default; 46*05767d91SRobert Wu ~OutputMixerOpenSL()= default; 47*05767d91SRobert Wu OutputMixerOpenSL(const OutputMixerOpenSL&)= delete; 48*05767d91SRobert Wu OutputMixerOpenSL& operator=(const OutputMixerOpenSL&)= delete; 49*05767d91SRobert Wu 50*05767d91SRobert Wu std::mutex mLock; 51*05767d91SRobert Wu int32_t mOpenCount = 0; 52*05767d91SRobert Wu 53*05767d91SRobert Wu SLObjectItf mOutputMixObject = nullptr; 54*05767d91SRobert Wu }; 55*05767d91SRobert Wu 56*05767d91SRobert Wu } // namespace oboe 57*05767d91SRobert Wu 58*05767d91SRobert Wu #endif //OBOE_OUTPUT_MIXER_OPENSLES_H 59