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; 18 19 import android.media.audio.common.Spatialization; 20 21 /** 22 * The INativeSpatializerCallback interface is a callback associated to the 23 * ISpatializer interface. The callback is used by the spatializer 24 * implementation in native audio server to communicate state changes to the 25 * client controlling the spatializer with the ISpatializer interface. 26 * {@hide} 27 */ 28 oneway interface INativeSpatializerCallback { 29 /** Called when the spatialization level applied by the spatializer changes 30 * (e.g. when the spatializer is enabled or disabled) 31 */ onLevelChanged(Spatialization.Level level)32 void onLevelChanged(Spatialization.Level level); 33 34 /** Called when the output stream the Spatializer is attached to changes. 35 * Indicates the IO Handle of the new output. 36 */ onOutputChanged(int output)37 void onOutputChanged(int output); 38 } 39