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; 18 19 /** 20 * A callback interface for getting effect-related notifications. 21 * 22 * {@hide} 23 */ 24 interface IEffectClient { 25 /** 26 * Called whenever the status of granting control over the effect to the application 27 * has changed. 28 * @param controlGranted true iff the application has the control of the effect module. 29 */ controlStatusChanged(boolean controlGranted)30 oneway void controlStatusChanged(boolean controlGranted); 31 32 /** 33 * Called whenever the effect has been enabled or disabled. Received only if the client is not 34 * currently controlling the effect. 35 * @param enabled true if the effect module has been activated, false if deactivated. 36 */ enableStatusChanged(boolean enabled)37 oneway void enableStatusChanged(boolean enabled); 38 39 /** 40 * A command has been send to the effect engine. Received only if the client is not currently 41 * controlling the effect. See IEffect.command() for a description of buffer contents. 42 * 43 * TODO(ytai): replace opaque byte arrays with strongly typed parameters. 44 */ commandExecuted(int cmdCode, in byte[] cmdData, in byte[] replyData)45 oneway void commandExecuted(int cmdCode, in byte[] cmdData, in byte[] replyData); 46 } 47