53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Stream.h"
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#include "PolicyMappingKeys.h"
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#include "PolicySubsystem.h"
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#include <media/TypeConverter.h>
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using std::string;
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Stream::Stream(const string &/*mappingValue*/,
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CInstanceConfigurableElement *instanceConfigurableElement,
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const CMappingContext &context, core::log::Logger &logger)
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: CSubsystemObject(instanceConfigurableElement, logger),
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mPolicySubsystem(static_cast<const PolicySubsystem *>(
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instanceConfigurableElement->getBelongingSubsystem())),
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mPolicyPluginInterface(mPolicySubsystem->getPolicyPluginInterface())
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{
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std::string name(context.getItem(MappingKeyName));
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if (not android::StreamTypeConverter::fromString(name, mId)) {
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LOG_ALWAYS_FATAL("Invalid Stream type name: %s, invalid XML structure file", name.c_str());
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}
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// Declares the strategy to audio policy engine
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mPolicyPluginInterface->addStream(name, mId);
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}
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bool Stream::sendToHW(string & /*error*/)
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{
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Applicable params;
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blackboardRead(¶ms, sizeof(params));
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mPolicyPluginInterface->setVolumeProfileForStream(
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mId, static_cast<audio_stream_type_t>(params.volumeProfile));
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return true;
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}
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