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#pragma once
18
19#include "SubsystemObject.h"
20#include "InstanceConfigurableElement.h"
21#include "MappingContext.h"
22#include <AudioPolicyPluginInterface.h>
23#include <string>
24
25class PolicySubsystem;
26
27class Stream : public CSubsystemObject
28{
29private:
30    struct Applicable
31    {
32        uint32_t strategy; /**< applicable strategy for this stream. */
33        uint32_t volumeProfile; /**< applicable strategy for this stream. */
34    } __attribute__((packed));
35
36public:
37    Stream(const std::string &mappingValue,
38           CInstanceConfigurableElement *instanceConfigurableElement,
39           const CMappingContext &context,
40           core::log::Logger& logger);
41
42protected:
43    virtual bool sendToHW(std::string &error);
44
45private:
46    const PolicySubsystem *mPolicySubsystem; /**< Route subsytem plugin. */
47
48    /**
49     * Interface to communicate with Audio Policy Engine.
50     */
51    android::AudioPolicyPluginInterface *mPolicyPluginInterface;
52    audio_stream_type_t mId; /**< stream type identifier to link with audio.h. */
53};
54