AndroidSLESSpeaker.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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.
 */
#ifndef ALEXA_CLIENT_SDK_MEDIAPLAYER_ANDROIDSLESMEDIAPLAYER_INCLUDE_ANDROIDSLESMEDIAPLAYER_ANDROIDSLESSPEAKER_H_
#define ALEXA_CLIENT_SDK_MEDIAPLAYER_ANDROIDSLESMEDIAPLAYER_INCLUDE_ANDROIDSLESMEDIAPLAYER_ANDROIDSLESSPEAKER_H_

#include <memory>
#include <mutex>
#include <utility>

#include <SLES/OpenSLES.h>

#include <AVSCommon/SDKInterfaces/SpeakerInterface.h>
#include <AndroidUtilities/AndroidSLESEngine.h>
#include <AndroidUtilities/AndroidSLESObject.h>

namespace alexaClientSDK {
namespace mediaPlayer {
namespace android {

class AndroidSLESSpeaker : public avsCommon::sdkInterfaces::SpeakerInterface {
public:
    static std::unique_ptr<AndroidSLESSpeaker> create(
        std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESEngine> engine,
        std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESObject> outputMixObject,
        std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESObject> speakerObject);

    bool setVolume(int8_t volume) override;
    bool setMute(bool mute) override;
    bool getSpeakerSettings(SpeakerSettings* settings) override;

private:
    AndroidSLESSpeaker(
        std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESEngine> engine,
        std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESObject> outputMixObject,
        std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESObject> speakerObject,
        SLVolumeItf volumeInterface);

    std::pair<bool, int8_t> getAvsVolume() const;

    int8_t toAvsVolume(SLmillibel deviceVolume) const;

    SLmillibel toDeviceVolume(int8_t avsVolume) const;

    std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESEngine> m_engine;

    std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESObject> m_outputMixObject;

    std::shared_ptr<applicationUtilities::androidUtilities::AndroidSLESObject> m_speakerObject;

    SLVolumeItf m_volumeInterface;
};

}  // namespace android
}  // namespace mediaPlayer
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_MEDIAPLAYER_ANDROIDSLESMEDIAPLAYER_INCLUDE_ANDROIDSLESMEDIAPLAYER_ANDROIDSLESSPEAKER_H_