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 #include <media/TypeConverter.h>
21
22 using std::string;
23
Stream(const string &,CInstanceConfigurableElement * instanceConfigurableElement,const CMappingContext & context,core::log::Logger & logger)24 Stream::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 std::string name(context.getItem(MappingKeyName));
33
34 if (not android::StreamTypeConverter::fromString(name, mId)) {
35 LOG_ALWAYS_FATAL("Invalid Stream type name: %s, invalid XML structure file", name.c_str());
36 }
37
38 // Declares the strategy to audio policy engine
39 mPolicyPluginInterface->addStream(name, mId);
40 }
41
sendToHW(string &)42 bool Stream::sendToHW(string & /*error*/)
43 {
44 Applicable params;
45 blackboardRead(¶ms, sizeof(params));
46
47 mPolicyPluginInterface->setVolumeProfileForStream(
48 mId, static_cast<audio_stream_type_t>(params.volumeProfile));
49
50 return true;
51
52 }
53