AndroidSLESEngine.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_APPLICATIONUTILITIES_ANDROIDUTILITIES_INCLUDE_ANDROIDUTILITIES_ANDROIDSLESENGINE_H_
#define ALEXA_CLIENT_SDK_APPLICATIONUTILITIES_ANDROIDUTILITIES_INCLUDE_ANDROIDUTILITIES_ANDROIDSLESENGINE_H_

#include <SLES/OpenSLES.h>
#include <memory>

#include <AVSCommon/AVS/AudioInputStream.h>
#include <AndroidUtilities/AndroidSLESObject.h>

namespace alexaClientSDK {
namespace applicationUtilities {
namespace androidUtilities {

class AndroidSLESMicrophone;

class AndroidSLESEngine : public std::enable_shared_from_this<AndroidSLESEngine> {
public:
    static std::shared_ptr<AndroidSLESEngine> create();

    std::unique_ptr<AndroidSLESMicrophone> createAndroidMicrophone(
        std::shared_ptr<avsCommon::avs::AudioInputStream> stream);

    std::unique_ptr<AndroidSLESObject> createAudioRecorder();

    void createAudioRecorder(SLObjectItf& recorderObject);

    std::unique_ptr<AndroidSLESObject> createPlayer(SLDataSource& source, SLDataSink& sink, bool requireEqualizer)
        const;

    std::unique_ptr<AndroidSLESObject> createOutputMix() const;

    ~AndroidSLESEngine();

private:
    AndroidSLESEngine(std::unique_ptr<AndroidSLESObject> object, SLEngineItf engine);

    std::unique_ptr<AndroidSLESObject> m_object;

    SLEngineItf m_engine;

    static std::atomic_flag m_created;
};

}  // namespace androidUtilities
}  // namespace applicationUtilities
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_APPLICATIONUTILITIES_ANDROIDUTILITIES_INCLUDE_ANDROIDUTILITIES_ANDROIDSLESENGINE_H_