services/tuner/aidl/android/media/tv/tuner/ITunerDemux.aidl

/**
 * Copyright 2021, 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 android.media.tv.tuner;

import android.hardware.tv.tuner.DemuxFilterType;
import android.hardware.tv.tuner.DvrType;
import android.media.tv.tuner.ITunerDvr;
import android.media.tv.tuner.ITunerDvrCallback;
import android.media.tv.tuner.ITunerFilter;
import android.media.tv.tuner.ITunerFilterCallback;
import android.media.tv.tuner.ITunerFrontend;
import android.media.tv.tuner.ITunerTimeFilter;

/**
 * Tuner Demux interface handles tuner related operations.
 *
 * {@hide}
 */
interface ITunerDemux {

    /**
     * Set a frontend resource as data input of the demux
     */
    void setFrontendDataSource(in ITunerFrontend frontend);

    /**
     * Set a frontend resource by ID as data input of the demux
     */
    void setFrontendDataSourceById(in int frontendId);

    /**
     * Open a new filter in the demux
     */
    ITunerFilter openFilter(in DemuxFilterType type, in int bufferSize,
        in ITunerFilterCallback cb);

    /**
     * Open time filter of the demux.
     */
    ITunerTimeFilter openTimeFilter();

    /**
     * Get hardware sync ID for audio and video.
     */
    int getAvSyncHwId(ITunerFilter tunerFilter);

    /**
     * Get current time stamp to use for A/V sync.
     */
    long getAvSyncTime(in int avSyncHwId);

    /**
     * Open a DVR (Digital Video Record) instance in the demux.
     */
    ITunerDvr openDvr(in DvrType dvbType, in int bufferSize, in ITunerDvrCallback cb);

    /**
     * Connect Conditional Access Modules (CAM) through Common Interface (CI).
     */
    void connectCiCam(in int ciCamId);

    /**
     * Disconnect Conditional Access Modules (CAM).
     */
    void disconnectCiCam();

    /**
     * Releases the ITunerDemux instance.
     */
    void close();
}