/*
 * Copyright (c) 2024-2025 Huawei Device Co., Ltd.
 * 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.
 */

/**
 * @addtogroup Distributed Audio
 * @{
 *
 * @brief Provides APIs for registration, unregistration, and event notification.
 *
 * The interface for the distributed audio, providing hardware driver registration, 
 * unregistration, and event notification capabilities for distributed audio SA.
 *
 * @since 5.0
 * @version 2.0
 */

package ohos.hdi.distributed_audio.audioext.v2_0;

import ohos.hdi.distributed_audio.audioext.v2_0.IDAudioCallback;
import ohos.hdi.distributed_audio.audioext.v2_0.IDAudioHdfCallback;
import ohos.hdi.distributed_audio.audioext.v2_0.Types;

/**
 * @brief Basic operations of Distributed Audio devices
 *
 * Register and unregister distributed audio devices, and provide event notification
 * mechanisms for distributed audio SA to the HDF layer.
 *
 * @since 5.0
 * @version 2.0
 */
interface IDAudioManager {
    /**
     * @brief Registering distributed audio device drivers
     *
     * @param adpName Distributed audio device NetworkID.
     * @param devId Distributed audio device Port ID.
     * @param capability Distributed audio device capability set (including sampling rate, channels, etc).
     * @param callbackObj Distributed Audio SA Callback.
     *
     * @return a value of 0 if success and a negative value if failed.
     *
     * @since 5.0
     * @version 2.0
     */
    RegisterAudioDevice([in] String adpName, [in] int devId, [in] String capability, [in] IDAudioCallback callbackObj);

    /**
     * @brief Unregistering distributed audio device drivers
     *
     * @param adpName Distributed audio device NetworkID.
     * @param devId Distributed audio device Port ID.
     *
     * @return a value of 0 if success and a negative value if failed.
     *
     * @since 5.0
     * @version 2.0
     */
    UnRegisterAudioDevice([in] String adpName, [in] int devId);

    /**
     * @brief Distribute audio device SA notification events.
     *
     * @param adpName Distributed audio device NetworkID.
     * @param devId Distributed audio device Port ID.
     * @param streamId Stream ID for distributed audio devices.
     * @param event Notification event types (such as focus events, volume events).
     *
     * @return a value of 0 if success and a negative value if failed.
     *
     * @since 5.0
     * @version 2.0
     */
    NotifyEvent([in] String adpName, [in] int devId, [in] int streamId, [in] struct DAudioEvent event);

    /**
     * @brief Registering distributed audio HDF drivers listener.
     *
     * @param serviceName Service name.
     * @param callbackObj Distributed Audio HDF listener Callback.
     *
     * @return a value of 0 if success and a negative value if failed.
     *
     * @since 6.0
     * @version 1.0
     */
    RegisterAudioHdfListener([in] String serviceName, [in] IDAudioHdfCallback callbackObj);

    /**
     * @brief Unregistering distributed audio HDF drivers listener.
     *
     * @param serviceName Service name.
     *
     * @return a value of 0 if success and a negative value if failed.
     *
     * @since 6.0
     * @version 1.0
     */
    UnRegisterAudioHdfListener([in] String serviceName);
}