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* Copyright 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <gui/IGraphicBufferProducer.h>
namespace android {
class IProducerListener;
class NativeHandle;
class SurfaceFlinger;
class Layer;
// MonitoredProducer wraps an IGraphicBufferProducer so that SurfaceFlinger will
// be notified upon its destruction
class MonitoredProducer : public BnGraphicBufferProducer {
MonitoredProducer(const sp<IGraphicBufferProducer>& producer,
const sp<SurfaceFlinger>& flinger,
const wp<Layer>& layer);
virtual ~MonitoredProducer();
// From IGraphicBufferProducer
virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
virtual status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers);
virtual status_t setAsyncMode(bool async);
virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, uint32_t h,
PixelFormat format, uint64_t usage, uint64_t* outBufferAge,
FrameEventHistoryDelta* outTimestamps);
virtual status_t detachBuffer(int slot);
virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer,
sp<Fence>* outFence);
virtual status_t attachBuffer(int* outSlot,
const sp<GraphicBuffer>& buffer);
virtual status_t queueBuffer(int slot, const QueueBufferInput& input,
QueueBufferOutput* output);
virtual status_t cancelBuffer(int slot, const sp<Fence>& fence);
virtual int query(int what, int* value);
virtual status_t connect(const sp<IProducerListener>& token, int api,
bool producerControlledByApp, QueueBufferOutput* output);
virtual status_t disconnect(int api, DisconnectMode mode);
virtual status_t setSidebandStream(const sp<NativeHandle>& stream);
virtual void allocateBuffers(uint32_t width, uint32_t height,
PixelFormat format, uint64_t usage);
virtual status_t allowAllocation(bool allow);
virtual status_t setGenerationNumber(uint32_t generationNumber);
virtual String8 getConsumerName() const override;
virtual status_t setDequeueTimeout(nsecs_t timeout) override;
virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
sp<Fence>* outFence, float outTransformMatrix[16]) override;
virtual IBinder* onAsBinder();
virtual status_t setSharedBufferMode(bool sharedBufferMode) override;
virtual status_t setAutoRefresh(bool autoRefresh) override;
virtual void getFrameTimestamps(FrameEventHistoryDelta *outDelta) override;
virtual status_t getUniqueId(uint64_t* outId) const override;
virtual status_t getConsumerUsage(uint64_t* outUsage) const override;
// The Layer which created this producer, and on which queued Buffer's will be displayed.
sp<Layer> getLayer() const;
sp<IGraphicBufferProducer> mProducer;
sp<SurfaceFlinger> mFlinger;
// The Layer which created this producer, and on which queued Buffer's will be displayed.
wp<Layer> mLayer;
}; // namespace android