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49 lines
1.6 KiB
49 lines
1.6 KiB
/*
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* Copyright (C) 2017 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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#ifndef ANDROID_SERVERS_CAMERA3_STREAMBUFFERFREEDLISTENER_H
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#define ANDROID_SERVERS_CAMERA3_STREAMBUFFERFREEDLISTENER_H
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#include <gui/Surface.h>
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#include <utils/RefBase.h>
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namespace android {
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namespace camera3 {
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class Camera3StreamBufferFreedListener : public virtual RefBase {
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public:
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// onBufferFreed is called when a buffer is no longer being managed
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// by this stream. This will not be called in events when all
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// buffers are freed due to stream disconnection.
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//
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// The input handle may be deleted after this callback ends, so attempting
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// to dereference handle post this callback is illegal and might lead to
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// crash.
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//
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// This callback will be called while holding Camera3Stream's lock, so
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// calling into other Camera3Stream APIs within this callback will
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// lead to deadlock.
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virtual void onBufferFreed(int streamId, const native_handle_t* handle) = 0;
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virtual ~Camera3StreamBufferFreedListener() {}
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};
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}; //namespace camera3
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}; //namespace android
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#endif
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