1 /* 2 * Copyright (C) 2015 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 #include "InputSource.h" 18 #include "PolicyMappingKeys.h" 19 #include "PolicySubsystem.h" 20 #include <media/TypeConverter.h> 21 22 using std::string; 23 24 InputSource::InputSource(const string &mappingValue, 25 CInstanceConfigurableElement *instanceConfigurableElement, 26 const CMappingContext &context, core::log::Logger &logger) 27 : CFormattedSubsystemObject(instanceConfigurableElement, 28 logger, 29 mappingValue, 30 MappingKeyAmend1, 31 (MappingKeyAmendEnd - MappingKeyAmend1 + 1), 32 context), 33 mPolicySubsystem(static_cast<const PolicySubsystem *>( 34 instanceConfigurableElement->getBelongingSubsystem())), 35 mPolicyPluginInterface(mPolicySubsystem->getPolicyPluginInterface()) 36 { 37 std::string name(context.getItem(MappingKeyName)); 38 39 if(not android::SourceTypeConverter::fromString(name, mId)) { 40 LOG_ALWAYS_FATAL("Invalid Input Source name: %s, invalid XML structure file", name.c_str()); 41 } 42 // Declares the strategy to audio policy engine 43 mPolicyPluginInterface->addInputSource(name, mId); 44 } 45 46 bool InputSource::sendToHW(string & /*error*/) 47 { 48 uint32_t applicableInputDevice; 49 blackboardRead(&applicableInputDevice, sizeof(applicableInputDevice)); 50 return mPolicyPluginInterface->setDeviceForInputSource(mId, applicableInputDevice); 51 } 52
