/*
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* Copyright (C) 2016 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.automotive.evs@1.0;
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/**
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* Implemented on client side to receive asynchronous video frame deliveries.
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*/
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interface IEvsCameraStream {
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/**
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* Receives calls from the HAL each time a video frame is ready for inspection.
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* Buffer handles received by this method must be returned via calls to
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* IEvsCamera::doneWithFrame(). When the video stream is stopped via a call
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* to IEvsCamera::stopVideoStream(), this callback may continue to happen for
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* some time as the pipeline drains. Each frame must still be returned.
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* When the last frame in the stream has been delivered, a NULL bufferHandle
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* must be delivered, signifying the end of the stream. No further frame
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* deliveries may happen thereafter.
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*/
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oneway deliverFrame(BufferDesc buffer);
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};
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