1 /* 2 * Copyright (C) 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 #pragma once 18 19 #include <afutils/AllocatorFactory.h> 20 #include <audio_utils/mutex.h> 21 #include <android-base/macros.h> // DISALLOW_COPY_AND_ASSIGN 22 #include <utils/RefBase.h> // avoid transitive dependency 23 24 // TODO(b/291318727) Move to nested namespace 25 namespace android { 26 27 class IAfPlaybackThread; 28 29 class IAfClientCallback : public virtual RefBase { 30 public: 31 virtual audio_utils::mutex& clientMutex() const 32 RETURN_CAPABILITY(audio_utils::AudioFlinger_ClientMutex) = 0; 33 virtual void removeClient_l(pid_t pid) REQUIRES(clientMutex()) = 0; 34 virtual void removeNotificationClient(pid_t pid) EXCLUDES_AudioFlinger_Mutex = 0; 35 36 // used indirectly by clients. 37 virtual status_t moveAuxEffectToIo( 38 int effectId, 39 const sp<IAfPlaybackThread>& dstThread, 40 sp<IAfPlaybackThread>* srcThread) EXCLUDES_AudioFlinger_Mutex = 0; 41 }; 42 43 class Client : public RefBase { 44 public: 45 Client(const sp<IAfClientCallback>& audioFlinger, pid_t pid); 46 47 // TODO(b/289139675) make Client container. 48 // Client destructor must be called with AudioFlinger::mClientLock held 49 ~Client() override; 50 AllocatorFactory::ClientAllocator& allocator(); pid()51 pid_t pid() const { return mPid; } afClientCallback()52 const auto& afClientCallback() const { return mAfClientCallback; } 53 54 private: 55 DISALLOW_COPY_AND_ASSIGN(Client); 56 57 const sp<IAfClientCallback> mAfClientCallback; 58 const pid_t mPid; 59 AllocatorFactory::ClientAllocator mClientAllocator; 60 }; 61 62 } // namespace android 63