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 "Stream.h" 18#include "PolicyMappingKeys.h" 19#include "PolicySubsystem.h" 20 21using std::string; 22using android::routing_strategy; 23 24Stream::Stream(const string &/*mappingValue*/, 25 CInstanceConfigurableElement *instanceConfigurableElement, 26 const CMappingContext &context, core::log::Logger &logger) 27 : CSubsystemObject(instanceConfigurableElement, logger), 28 mPolicySubsystem(static_cast<const PolicySubsystem *>( 29 instanceConfigurableElement->getBelongingSubsystem())), 30 mPolicyPluginInterface(mPolicySubsystem->getPolicyPluginInterface()) 31{ 32 mId = static_cast<audio_stream_type_t>(context.getItemAsInteger(MappingKeyIdentifier)); 33 34 // Declares the strategy to audio policy engine 35 mPolicyPluginInterface->addStream(getFormattedMappingValue(), mId); 36} 37 38bool Stream::sendToHW(string & /*error*/) 39{ 40 Applicable params; 41 blackboardRead(¶ms, sizeof(params)); 42 43 mPolicyPluginInterface->setStrategyForStream(mId, 44 static_cast<routing_strategy>(params.strategy)); 45 46 mPolicyPluginInterface->setVolumeProfileForStream(mId, 47 static_cast<audio_stream_type_t>(params.volumeProfile)); 48 49 return true; 50 51} 52