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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "FormattedSubsystemObject.h"
#include "InstanceConfigurableElement.h"
#include "MappingContext.h"
#include <Volume.h>
#include <AudioPolicyPluginInterface.h>
#include <string>
class PolicySubsystem;
class VolumeProfile : public CFormattedSubsystemObject
{
private:
struct Point
{
int index;
/** Volume is using FixedPointParameter until float parameters are available. */
int16_t dbAttenuation;
} __attribute__((packed));
public:
VolumeProfile(const std::string &mappingValue,
CInstanceConfigurableElement *instanceConfigurableElement,
const CMappingContext &context);
protected:
virtual bool receiveFromHW(std::string &error);
virtual bool sendToHW(std::string &error);
private:
const PolicySubsystem *mPolicySubsystem; /**< Route subsytem plugin. */
/**
* Interface to communicate with Audio Policy Engine.
*/
android::AudioPolicyPluginInterface *mPolicyPluginInterface;
/**
* volume profile identifier, which is in fact a stream type to link with audio.h.
*/
audio_stream_type_t mId;
size_t mPoints;
Volume::device_category mCategory;
static const uint32_t gFractional = 8; /**< Beware to align with the structure. */
};
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