| /* |
| * Copyright (C) 2014 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.service.voice; |
| |
| import android.hardware.soundtrigger.SoundTrigger; |
| import android.hardware.soundtrigger.SoundTrigger.ModuleProperties; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Manager for {@link SoundTrigger} APIs. |
| * Currently this just acts as an abstraction over all SoundTrigger API calls. |
| * @hide |
| */ |
| public class SoundTriggerManager { |
| /** The {@link DspInfo} for the system, or null if none exists. */ |
| public DspInfo dspInfo; |
| |
| public SoundTriggerManager() { |
| ArrayList <ModuleProperties> modules = new ArrayList<>(); |
| int status = SoundTrigger.listModules(modules); |
| if (status != SoundTrigger.STATUS_OK || modules.size() == 0) { |
| // TODO(sansid, elaurent): Figure out how to handle errors in listing the modules here. |
| dspInfo = null; |
| } else { |
| // TODO(sansid, elaurent): Figure out how to determine which module corresponds to the |
| // DSP hardware. |
| ModuleProperties properties = modules.get(0); |
| dspInfo = new DspInfo(properties.uuid, properties.implementor, properties.description, |
| properties.version, properties.powerConsumptionMw); |
| } |
| } |
| |
| /** |
| * @return True, if the keyphrase is supported on DSP for the given locale. |
| */ |
| public boolean isKeyphraseSupported(String keyphrase, String locale) { |
| // TODO(sansid): We also need to look into a SoundTrigger API that let's us |
| // query this. For now just return supported if there's a DSP available. |
| return dspInfo != null; |
| } |
| |
| /** |
| * @return True, if the keyphrase is has been enrolled for the given locale. |
| */ |
| public boolean isKeyphraseEnrolled(String keyphrase, String locale) { |
| // TODO(sansid, elaurent): Query SoundTrigger to list currently loaded sound models. |
| // They have been enrolled. |
| return false; |
| } |
| |
| /** |
| * @return True, if a recognition for the keyphrase is active for the given locale. |
| */ |
| public boolean isKeyphraseActive(String keyphrase, String locale) { |
| // TODO(sansid, elaurent): Check if the recognition for the keyphrase is currently active. |
| return false; |
| } |
| } |