1 /* 2 * Copyright (C) 2009 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 18 #include <stdint.h> 19 #include <sys/types.h> 20 #include <utils/Timers.h> 21 #include <utils/Errors.h> 22 #include <utils/KeyedVector.h> 23 #include <hardware_legacy/AudioPolicyManagerBase.h> 24 25 26 namespace android { 27 28 // ---------------------------------------------------------------------------- 29 30 class AudioPolicyManager: public AudioPolicyManagerBase 31 { 32 33 public: AudioPolicyManager(AudioPolicyClientInterface * clientInterface)34 AudioPolicyManager(AudioPolicyClientInterface *clientInterface) 35 : AudioPolicyManagerBase(clientInterface) {} 36 ~AudioPolicyManager()37 virtual ~AudioPolicyManager() {} 38 39 protected: 40 41 // true is current platform implements a back microphone hasBackMicrophone()42 virtual bool hasBackMicrophone() const { return true; } 43 44 #ifdef WITH_A2DP 45 // true is current platform supports suplication of notifications and ringtones over A2DP output a2dpUsedForSonification()46 virtual bool a2dpUsedForSonification() const { return true; } 47 #endif 48 49 // return appropriate device for streams handled by the specified strategy according to current 50 // phone state, connected devices... 51 virtual uint32_t getDeviceForStrategy(routing_strategy strategy, bool fromCache = true); 52 virtual float computeVolume(int stream, int index, audio_io_handle_t output, uint32_t device); 53 }; 54 55 }; 56