1/* 2 * Copyright (C) 2018 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 17package android.hardware.audio@4.0; 18 19/** 20 * Asynchronous write callback interface. 21 */ 22interface IStreamOutCallback { 23 /** 24 * Non blocking write completed. 25 */ 26 oneway onWriteReady(); 27 28 /** 29 * Drain completed. 30 */ 31 oneway onDrainReady(); 32 33 /** 34 * Stream hit an error. 35 */ 36 oneway onError(); 37}; 38