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 #include <media/AudioClient.h> 25 26 #include <aaudio/AAudio.h> 27 28 #include "binding/AAudioCommon.h" 29 #include "binding/AAudioServiceInterface.h" 30 #include "binding/IAAudioService.h" 31 32 #include "AAudioServiceStreamBase.h" 33 #include "AAudioStreamTracker.h" 34 35 namespace android { 36 37 class AAudioService : 38 public BinderService<AAudioService>, 39 public BnAAudioService, 40 public aaudio::AAudioServiceInterface 41 { 42 friend class BinderService<AAudioService>; 43 44 public: 45 AAudioService(); 46 virtual ~AAudioService(); 47 getServiceName()48 static const char* getServiceName() { return AAUDIO_SERVICE_NAME; } 49 50 virtual status_t dump(int fd, const Vector<String16>& args) override; 51 52 virtual void registerClient(const sp<IAAudioClient>& client); 53 54 aaudio::aaudio_handle_t openStream(const aaudio::AAudioStreamRequest &request, 55 aaudio::AAudioStreamConfiguration &configurationOutput) 56 override; 57 58 aaudio_result_t closeStream(aaudio::aaudio_handle_t streamHandle) override; 59 60 aaudio_result_t getStreamDescription( 61 aaudio::aaudio_handle_t streamHandle, 62 aaudio::AudioEndpointParcelable &parcelable) override; 63 64 aaudio_result_t startStream(aaudio::aaudio_handle_t streamHandle) override; 65 66 aaudio_result_t pauseStream(aaudio::aaudio_handle_t streamHandle) override; 67 68 aaudio_result_t stopStream(aaudio::aaudio_handle_t streamHandle) override; 69 70 aaudio_result_t flushStream(aaudio::aaudio_handle_t streamHandle) override; 71 72 aaudio_result_t registerAudioThread(aaudio::aaudio_handle_t streamHandle, 73 pid_t tid, 74 int64_t periodNanoseconds) override; 75 76 aaudio_result_t unregisterAudioThread(aaudio::aaudio_handle_t streamHandle, 77 pid_t tid) override; 78 79 aaudio_result_t startClient(aaudio::aaudio_handle_t streamHandle, 80 const android::AudioClient& client, 81 audio_port_handle_t *clientHandle) override; 82 83 aaudio_result_t stopClient(aaudio::aaudio_handle_t streamHandle, 84 audio_port_handle_t clientHandle) override; 85 86 aaudio_result_t disconnectStreamByPortHandle(audio_port_handle_t portHandle); 87 88 private: 89 90 /** 91 * Lookup stream and then validate access to the stream. 92 * @param streamHandle 93 * @return 94 */ 95 sp<aaudio::AAudioServiceStreamBase> convertHandleToServiceStream( 96 aaudio::aaudio_handle_t streamHandle); 97 98 99 100 bool releaseStream(const sp<aaudio::AAudioServiceStreamBase> &serviceStream); 101 102 aaudio_result_t checkForPendingClose(const sp<aaudio::AAudioServiceStreamBase> &serviceStream, 103 aaudio_result_t defaultResult); 104 105 android::AudioClient mAudioClient; 106 107 aaudio::AAudioStreamTracker mStreamTracker; 108 109 enum constants { 110 DEFAULT_AUDIO_PRIORITY = 2 111 }; 112 }; 113 114 } /* namespace android */ 115 116 #endif //AAUDIO_AAUDIO_SERVICE_H 117