1 /** 2 * Copyright 2021, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.media.tv.tuner; 18 19 import android.media.tv.tuner.ITunerDvr; 20 import android.media.tv.tuner.ITunerDvrCallback; 21 import android.media.tv.tuner.ITunerFilter; 22 import android.media.tv.tuner.ITunerFilterCallback; 23 import android.media.tv.tuner.ITunerFrontend; 24 import android.media.tv.tuner.ITunerTimeFilter; 25 26 /** 27 * Tuner Demux interface handles tuner related operations. 28 * 29 * {@hide} 30 */ 31 interface ITunerDemux { 32 33 /** 34 * Set a frontend resource as data input of the demux 35 */ setFrontendDataSource(in ITunerFrontend frontend)36 void setFrontendDataSource(in ITunerFrontend frontend); 37 38 /** 39 * Open a new filter in the demux 40 */ openFilter( in int mainType, in int subtype, in int bufferSize, in ITunerFilterCallback cb)41 ITunerFilter openFilter( 42 in int mainType, in int subtype, in int bufferSize, in ITunerFilterCallback cb); 43 44 /** 45 * Open time filter of the demux. 46 */ openTimeFilter()47 ITunerTimeFilter openTimeFilter(); 48 49 /** 50 * Get hardware sync ID for audio and video. 51 */ getAvSyncHwId(ITunerFilter tunerFilter)52 int getAvSyncHwId(ITunerFilter tunerFilter); 53 54 /** 55 * Get current time stamp to use for A/V sync. 56 */ getAvSyncTime(in int avSyncHwId)57 long getAvSyncTime(in int avSyncHwId); 58 59 /** 60 * Open a DVR (Digital Video Record) instance in the demux. 61 */ openDvr(in int dvbType, in int bufferSize, in ITunerDvrCallback cb)62 ITunerDvr openDvr(in int dvbType, in int bufferSize, in ITunerDvrCallback cb); 63 64 /** 65 * Connect Conditional Access Modules (CAM) through Common Interface (CI). 66 */ connectCiCam(in int ciCamId)67 void connectCiCam(in int ciCamId); 68 69 /** 70 * Disconnect Conditional Access Modules (CAM). 71 */ disconnectCiCam()72 void disconnectCiCam(); 73 74 /** 75 * Releases the ITunerDemux instance. 76 */ close()77 void close(); 78 } 79