/* * Copyright (C) 2019 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.media.soundtrigger_middleware; import android.media.soundtrigger_middleware.ISoundTriggerModule; import android.media.soundtrigger_middleware.ISoundTriggerCallback; import android.media.soundtrigger_middleware.SoundTriggerModuleDescriptor; /** * Main entry point into this module. * * Allows the client to enumerate the available soundtrigger devices and their capabilities, then * attach to either one of them in order to use it. * * {@hide} */ interface ISoundTriggerMiddlewareService { /** * Query the available modules and their capabilities. */ SoundTriggerModuleDescriptor[] listModules(); /** * Attach to one of the available modules. * listModules() must be called prior to calling this method and the provided handle must be * one of the handles from the returned list. */ ISoundTriggerModule attach(int handle, ISoundTriggerCallback callback); }