50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* Copyright (C) 2012 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_GUI_DUMMYCONSUMER_H
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#define ANDROID_GUI_DUMMYCONSUMER_H
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#include <gui/BufferQueue.h>
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namespace android {
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// ----------------------------------------------------------------------------
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// The DummyConsumer does not keep a reference to BufferQueue
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// unlike SurfaceTexture. This prevents a circular reference from
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// forming. The BufferQueue indirectly keeps a DummyConsumer alive
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// through the proxy ConsumerListener.
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class DummyConsumer : public virtual RefBase,
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protected BufferQueue::ConsumerListener {
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public:
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DummyConsumer(sp<BufferQueue> bufferQueue);
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virtual ~DummyConsumer();
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protected:
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// Implementation of the BufferQueue::ConsumerListener interface. These
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// calls are used to notify the SurfaceTexture of asynchronous events in the
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// BufferQueue.
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virtual void onFrameAvailable();
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virtual void onBuffersReleased();
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_GUI_DUMMYCONSUMER_H
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