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(&params, 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