1 /* 2 * Copyright (C) 2023 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.soundtrigger_middleware; 18 19 import android.media.soundtrigger_middleware.IAcknowledgeEvent; 20 21 /** 22 * Interface for injecting global events to the fake STHAL. 23 * {@hide} 24 */ 25 oneway interface IInjectGlobalEvent { 26 27 /** 28 * Trigger a fake STHAL restart. 29 * This invalidates the {@link IInjectGlobalEvent}. 30 */ triggerRestart()31 void triggerRestart(); 32 33 /** 34 * Set global resource contention within the fake STHAL. Loads/startRecognition 35 * will fail with {@code RESOURCE_CONTENTION} until unset. 36 * @param isContended - true to enable resource contention. false to disable resource contention 37 * and resume normal functionality. 38 * @param callback - Call {@link IAcknowledgeEvent#eventReceived()} on this interface once 39 * the contention status is successfully set. 40 */ setResourceContention(boolean isContended, IAcknowledgeEvent callback)41 void setResourceContention(boolean isContended, IAcknowledgeEvent callback); 42 43 /** 44 * Trigger an 45 * {@link android.hardware.soundtrigger3.ISoundTriggerHwGlobalCallback#onResourcesAvailable} 46 * callback from the fake STHAL. This callback is used to signal to the framework that 47 * previous operations which failed may now succeed. 48 */ triggerOnResourcesAvailable()49 void triggerOnResourcesAvailable(); 50 } 51