1 /* 2 * Copyright (C) 2017 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 AAUDIO_SERVICE_ENDPOINT_PLAY_H 18 #define AAUDIO_SERVICE_ENDPOINT_PLAY_H 19 20 #include <atomic> 21 #include <functional> 22 #include <mutex> 23 #include <vector> 24 25 #include "client/AudioStreamInternal.h" 26 #include "client/AudioStreamInternalPlay.h" 27 #include "binding/AAudioServiceMessage.h" 28 #include "AAudioServiceEndpointShared.h" 29 #include "AAudioServiceStreamShared.h" 30 #include "AAudioServiceStreamMMAP.h" 31 #include "AAudioMixer.h" 32 #include "AAudioService.h" 33 34 namespace aaudio { 35 36 /** 37 * Contains a mixer and a stream for writing the result of the mix. 38 */ 39 class AAudioServiceEndpointPlay : public AAudioServiceEndpointShared { 40 public: 41 explicit AAudioServiceEndpointPlay(android::AAudioService &audioService); 42 43 aaudio_result_t open(const aaudio::AAudioStreamRequest &request) override; 44 45 void *callbackLoop() override; 46 47 private: 48 AudioStreamInternalPlay mStreamInternalPlay; // for playing output of mixer 49 bool mLatencyTuningEnabled = false; // TODO implement tuning 50 AAudioMixer mMixer; // 51 }; 52 53 } /* namespace aaudio */ 54 55 #endif //AAUDIO_SERVICE_ENDPOINT_PLAY_H 56
