/*
 * Copyright (c) 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.
 */

/**
 * @file istream_operator.h
 *
 * @brief Declares APIs for stream operations.
 *
 * @since 6.1
 * @version 1.4
 */

package ohos.hdi.camera.v1_5;

import ohos.hdi.camera.v1_3.IStreamOperator;
import ohos.hdi.camera.v1_5.Types;
import ohos.hdi.camera.v1_5.IStreamOperatorCallback;
import ohos.hdi.camera.v1_0.IOfflineStreamOperator;

interface IStreamOperator extends ohos.hdi.camera.v1_3.IStreamOperator {
    /**
     * @brief Converts a specific stream to an offline stream.
     *
     * Only photographing streams can be converted into offline streams,other streams are not supported.
     * Due to the limited processing capability, some devices may spend a long period of time on
     * algorithm processing during photographing, causing the capture requests to stack in the module.
     * Converting to an offline stream enables the bottom-layer device to close and
     * the offline stream to take over for subsequent processing.
     *
     * @param streamIds Indicates the IDs of the streams to be converted.
     * @param callback Indicates the callback for conversion to offline streams.
     * @param offlineOperator Indicates the offline stream after conversion.
     *
     * @return Returns <b>NO_ERROR</b> if the operation is successful;
     * returns an error code defined in {@link CamRetCode} otherwise.
     *
     * @since 6.1
     * @version 1.0
     */
    ChangeToOfflineStream_V1_4([in] int[] streamIds, [in] IStreamOperatorCallback callbackObj,
        [out] IOfflineStreamOperator offlineOperator);

    /**
     * @brief Creates streams.
     *
     * Before calling this function, you must use {@link IsStreamsSupported} to check whether the hardware
     * abstraction layer (HAL) supports the streams to create.
     *
     * @param streamInfos Indicates the list of stream information, which is defined by {@link StreamInfo}.
     * The passed stream information may be changed. Therefore, you can run {@link GetStreamAttributes} to
     * obtain the latest stream attributes after the stream is created.
     *
     * @return Returns <b>NO_ERROR</b> if the operation is successful;
     * returns an error code defined in {@link CamRetCode} otherwise.
     *
     * @since 6.1
     * @version 1.0
     */
    CreateStreams_V1_5([in] struct StreamInfo_V1_5[] streamInfos);
}