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.hardware.common.fmq.MQDescriptor; 20 import android.hardware.common.fmq.SynchronizedReadWrite; 21 import android.hardware.tv.tuner.DvrSettings; 22 import android.media.tv.tuner.ITunerFilter; 23 24 /** 25 * Tuner Dvr interface handles tuner related operations. 26 * 27 * {@hide} 28 */ 29 interface ITunerDvr { 30 /** 31 * Get the descriptor of the DVR's FMQ. 32 */ getQueueDesc()33 MQDescriptor<byte, SynchronizedReadWrite> getQueueDesc(); 34 35 /** 36 * Configure the DVR. 37 */ configure(in DvrSettings settings)38 void configure(in DvrSettings settings); 39 40 /** 41 * Attach one filter to DVR interface for recording. 42 */ attachFilter(in ITunerFilter filter)43 void attachFilter(in ITunerFilter filter); 44 45 /** 46 * Detach one filter from the DVR's recording. 47 */ detachFilter(in ITunerFilter filter)48 void detachFilter(in ITunerFilter filter); 49 50 /** 51 * Start DVR. 52 */ start()53 void start(); 54 55 /** 56 * Stop DVR. 57 */ stop()58 void stop(); 59 60 /** 61 * Flush DVR data. 62 */ flush()63 void flush(); 64 65 /** 66 * close the DVR instance to release resource for DVR. 67 */ close()68 void close(); 69 } 70