xref: /aosp_15_r20/hardware/interfaces/media/c2/1.0/IInputSurfaceConnection.hal (revision 4d7e907c777eeecc4c5bd7cf640a754fac206ff7)

/*
 * Copyright (C) 2018 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.
 */

package [email protected];

import IConfigurable;

/**
 * Connection between a component and an input surface.
 *
 * An instance of `IInputSurfaceConnection` contains an `IConfigurable`
 * interface for querying and configuring properties of the connection.
 */
interface IInputSurfaceConnection {
    /**
     * Destroys the connection between an input surface and a component.
     *
     * @return status Status of the call, which may be
     *   - `OK`        - The disconnection succeeded.
     *   - `BAD_STATE` - The component is not in running state.
     *   - `NOT_FOUND` - The surface is not connected to a component.
     *   - `CORRUPTED` - Some unknown error occurred.
     */
    disconnect() generates (Status status);

    /**
     * Returns the @ref IConfigurable instance associated to this connection.
     *
     * This can be used to customize the connection.
     *
     * @return configurable `IConfigurable` instance. This must not be null.
     */
    getConfigurable() generates (IConfigurable configurable);
};