mirror of
https://github.com/Evolution-X/hardware_interfaces
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0320d560ea
original cl was ag/4879522 Bug: 70206501 Test: Built android Change-Id: I11f164d8ade66cd7e56f1fa4e46dafa1d56db8cd
41 lines
1.5 KiB
Plaintext
41 lines
1.5 KiB
Plaintext
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.soundtrigger@2.2;
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import @2.1::ISoundTriggerHw;
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import @2.0::SoundModelHandle;
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import @2.0::ISoundTriggerHwCallback.RecognitionEvent;
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/**
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* SoundTrigger HAL interface. Used for hardware recognition of hotwords.
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*/
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interface ISoundTriggerHw extends @2.1::ISoundTriggerHw {
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/**
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* Get the state of a given model.
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* The model state is returned as a RecognitionEvent.
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* @param modelHandle The handle of the sound model to use for recognition
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* @return retval Operation completion status: 0 in case of success,
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* -ENOSYS in case of invalid model handle,
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* -ENOMEM in case of memory allocation failure,
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* -ENODEV in case of initialization error.
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* @return state RecognitionEvent in case of success
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*/
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getModelState(SoundModelHandle modelHandle)
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generates (int32_t retval, RecognitionEvent state);
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};
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