1 /* 2 * Copyright (C) 2020 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.frontend; 18 19 import android.annotation.IntRange; 20 import android.annotation.NonNull; 21 import android.annotation.SystemApi; 22 23 /** 24 * Scan callback. 25 * 26 * @hide 27 */ 28 @SystemApi 29 public interface ScanCallback { 30 31 /** Scan locked the signal. */ onLocked()32 void onLocked(); 33 34 /** Scan stopped. */ onScanStopped()35 void onScanStopped(); 36 37 /** scan progress percent (0..100) */ onProgress(@ntRangefrom = 0, to = 100) int percent)38 void onProgress(@IntRange(from = 0, to = 100) int percent); 39 40 /** Signal frequencies in Hertz */ onFrequenciesReported(@onNull int[] frequency)41 void onFrequenciesReported(@NonNull int[] frequency); 42 43 /** Symbols per second */ onSymbolRatesReported(@onNull int[] rate)44 void onSymbolRatesReported(@NonNull int[] rate); 45 46 /** Locked Plp Ids for DVBT2 frontend. */ onPlpIdsReported(@onNull int[] plpIds)47 void onPlpIdsReported(@NonNull int[] plpIds); 48 49 /** Locked group Ids for DVBT2 frontend. */ onGroupIdsReported(@onNull int[] groupIds)50 void onGroupIdsReported(@NonNull int[] groupIds); 51 52 /** Stream Ids. */ onInputStreamIdsReported(@onNull int[] inputStreamIds)53 void onInputStreamIdsReported(@NonNull int[] inputStreamIds); 54 55 /** Locked signal standard for DVBS. */ onDvbsStandardReported(@vbsFrontendSettings.Standard int dvbsStandard)56 void onDvbsStandardReported(@DvbsFrontendSettings.Standard int dvbsStandard); 57 58 /** Locked signal standard. for DVBT */ onDvbtStandardReported(@vbtFrontendSettings.Standard int dvbtStandard)59 void onDvbtStandardReported(@DvbtFrontendSettings.Standard int dvbtStandard); 60 61 /** Locked signal SIF standard for Analog. */ onAnalogSifStandardReported(@nalogFrontendSettings.SifStandard int sif)62 void onAnalogSifStandardReported(@AnalogFrontendSettings.SifStandard int sif); 63 64 /** PLP status in a tuned frequency band for ATSC3 frontend. */ onAtsc3PlpInfosReported(@onNull Atsc3PlpInfo[] atsc3PlpInfos)65 void onAtsc3PlpInfosReported(@NonNull Atsc3PlpInfo[] atsc3PlpInfos); 66 67 /** Frontend hierarchy. */ onHierarchyReported(@vbtFrontendSettings.Hierarchy int hierarchy)68 void onHierarchyReported(@DvbtFrontendSettings.Hierarchy int hierarchy); 69 70 /** Frontend signal type. */ onSignalTypeReported(@nalogFrontendSettings.SignalType int signalType)71 void onSignalTypeReported(@AnalogFrontendSettings.SignalType int signalType); 72 73 /** Frontend modulation reported. */ onModulationReported(@rontendStatus.FrontendModulation int modulation)74 default void onModulationReported(@FrontendStatus.FrontendModulation int modulation) {} 75 76 /** Frontend scan message priority reported. */ onPriorityReported(boolean isHighPriority)77 default void onPriorityReported(boolean isHighPriority) {} 78 79 /** DVBC Frontend Annex reported. */ onDvbcAnnexReported(@vbcFrontendSettings.Annex int dvbcAnnex)80 default void onDvbcAnnexReported(@DvbcFrontendSettings.Annex int dvbcAnnex) {} 81 } 82