1 /* 2 * Copyright (C) 2016 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_AAUDIO_SERVICE_H 18 #define AAUDIO_AAUDIO_SERVICE_H 19 20 #include <time.h> 21 #include <pthread.h> 22 23 #include <binder/BinderService.h> 24 25 #include <aaudio/AAudio.h> 26 #include "utility/HandleTracker.h" 27 #include "binding/IAAudioService.h" 28 #include "binding/AAudioServiceInterface.h" 29 30 #include "AAudioServiceStreamBase.h" 31 32 namespace android { 33 34 class AAudioService : 35 public BinderService<AAudioService>, 36 public BnAAudioService, 37 public aaudio::AAudioServiceInterface 38 { 39 friend class BinderService<AAudioService>; 40 41 public: 42 AAudioService(); 43 virtual ~AAudioService(); 44 getServiceName()45 static const char* getServiceName() { return AAUDIO_SERVICE_NAME; } 46 47 virtual aaudio_handle_t openStream(const aaudio::AAudioStreamRequest &request, 48 aaudio::AAudioStreamConfiguration &configuration); 49 50 virtual aaudio_result_t closeStream(aaudio_handle_t streamHandle); 51 52 virtual aaudio_result_t getStreamDescription( 53 aaudio_handle_t streamHandle, 54 aaudio::AudioEndpointParcelable &parcelable); 55 56 virtual aaudio_result_t startStream(aaudio_handle_t streamHandle); 57 58 virtual aaudio_result_t pauseStream(aaudio_handle_t streamHandle); 59 60 virtual aaudio_result_t stopStream(aaudio_handle_t streamHandle); 61 62 virtual aaudio_result_t flushStream(aaudio_handle_t streamHandle); 63 64 virtual aaudio_result_t registerAudioThread(aaudio_handle_t streamHandle, 65 pid_t pid, pid_t tid, 66 int64_t periodNanoseconds) ; 67 68 virtual aaudio_result_t unregisterAudioThread(aaudio_handle_t streamHandle, 69 pid_t pid, pid_t tid); 70 71 private: 72 73 aaudio::AAudioServiceStreamBase *convertHandleToServiceStream(aaudio_handle_t streamHandle) const; 74 75 HandleTracker mHandleTracker; 76 77 enum constants { 78 DEFAULT_AUDIO_PRIORITY = 2 79 }; 80 }; 81 82 } /* namespace android */ 83 84 #endif //AAUDIO_AAUDIO_SERVICE_H 85