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.cts; 18 19 import android.app.Service; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.media.tv.tuner.Tuner; 23 import android.media.tv.tuner.cts.ISharedFilterTestServer; 24 import android.media.tv.tuner.filter.Filter; 25 import android.media.tv.tuner.filter.FilterCallback; 26 import android.media.tv.tuner.filter.FilterEvent; 27 import android.media.tv.tuner.filter.SharedFilter; 28 import android.media.tv.tuner.filter.SharedFilterCallback; 29 import android.media.tv.tuner.frontend.FrontendInfo; 30 import android.os.IBinder; 31 import android.util.Log; 32 33 import java.util.List; 34 import java.util.concurrent.Executor; 35 36 public class SharedFilterTestService extends Service { 37 private static final String TAG = "SharedFilterTestService"; 38 private Context mContext = null; 39 private Tuner mTuner = null; 40 private Filter mFilter = null; 41 private boolean mTuning = false; 42 43 @Override onBind(Intent intent)44 public IBinder onBind(Intent intent) { 45 mContext = this; 46 mTuner = new Tuner(mContext, null, 100); 47 return new SharedFilterTestServer(); 48 } 49 50 @Override onUnbind(Intent intent)51 public boolean onUnbind(Intent intent) { 52 mTuner.close(); 53 mTuner = null; 54 return false; 55 } 56 57 private class SharedFilterTestServer extends ISharedFilterTestServer.Stub { 58 @Override acquireSharedFilterToken()59 public String acquireSharedFilterToken() { 60 mFilter = TunerTest.createTsSectionFilter( 61 mTuner, getExecutor(), getFilterCallback()); 62 63 // Tune a frontend before start the filter 64 List<FrontendInfo> infos = mTuner.getAvailableFrontendInfos(); 65 mTuner.tune(TunerTest.createFrontendSettings(infos.get(0))); 66 mTuning = true; 67 68 return mFilter.acquireSharedFilterToken(); 69 } 70 71 @Override closeFilter()72 public void closeFilter() { 73 if (mTuning) { 74 mTuner.cancelTuning(); 75 mTuning = false; 76 } 77 mFilter.close(); 78 mFilter = null; 79 } 80 81 @Override freeSharedFilterToken(String token)82 public void freeSharedFilterToken(String token) { 83 if (mTuning) { 84 mTuner.cancelTuning(); 85 mTuning = false; 86 } 87 mFilter.freeSharedFilterToken(token); 88 } 89 90 @Override verifySharedFilter(String token)91 public boolean verifySharedFilter(String token) { 92 SharedFilter f = Tuner.openSharedFilter( 93 mContext, token, getExecutor(), getSharedFilterCallback()); 94 if (f == null) { 95 Log.e(TAG, "SharedFilter is null"); 96 return false; 97 } 98 if (f.start() != Tuner.RESULT_SUCCESS) { 99 f = null; 100 Log.e(TAG, "Failed to start SharedFilter"); 101 return false; 102 } 103 if (f.flush() != Tuner.RESULT_SUCCESS) { 104 f.close(); 105 f = null; 106 Log.e(TAG, "Failed to flush SharedFilter"); 107 return false; 108 } 109 int size = f.read(new byte[3], 0, 3); 110 if (size < 0 || size > 3) { 111 f.close(); 112 f = null; 113 Log.e(TAG, "Failed to read from SharedFilter"); 114 return false; 115 } 116 if (f.stop() != Tuner.RESULT_SUCCESS) { 117 f.close(); 118 f = null; 119 Log.e(TAG, "Failed to stop SharedFilter"); 120 return false; 121 } 122 f.close(); 123 f = null; 124 return true; 125 } 126 } 127 getFilterCallback()128 private FilterCallback getFilterCallback() { 129 return new FilterCallback() { 130 @Override 131 public void onFilterEvent(Filter filter, FilterEvent[] events) {} 132 @Override 133 public void onFilterStatusChanged(Filter filter, int status) {} 134 }; 135 } 136 getSharedFilterCallback()137 private SharedFilterCallback getSharedFilterCallback() { 138 return new SharedFilterCallback() { 139 @Override 140 public void onFilterEvent(SharedFilter filter, FilterEvent[] events) {} 141 @Override 142 public void onFilterStatusChanged(SharedFilter filter, int status) {} 143 }; 144 } 145 getExecutor()146 private Executor getExecutor() { return Runnable::run; } 147 } 148