MonitoredProducer.h revision f0eaf25e9247edf4d124bedaeb863f7abdf35a3e
1/* 2 * Copyright 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_MONITORED_PRODUCER_H 18#define ANDROID_MONITORED_PRODUCER_H 19 20#include <gui/IGraphicBufferProducer.h> 21 22namespace android { 23 24class IProducerListener; 25class NativeHandle; 26class SurfaceFlinger; 27 28// MonitoredProducer wraps an IGraphicBufferProducer so that SurfaceFlinger will 29// be notified upon its destruction 30class MonitoredProducer : public BnGraphicBufferProducer { 31public: 32 MonitoredProducer(const sp<BnGraphicBufferProducer>& producer, 33 const sp<SurfaceFlinger>& flinger); 34 virtual ~MonitoredProducer(); 35 36 // From IGraphicBufferProducer 37 virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf); 38 virtual status_t setBufferCount(int bufferCount); 39 virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, bool async, 40 uint32_t w, uint32_t h, uint32_t format, uint32_t usage); 41 virtual status_t detachBuffer(int slot); 42 virtual status_t attachBuffer(int* outSlot, 43 const sp<GraphicBuffer>& buffer); 44 virtual status_t queueBuffer(int slot, const QueueBufferInput& input, 45 QueueBufferOutput* output); 46 virtual void cancelBuffer(int slot, const sp<Fence>& fence); 47 virtual int query(int what, int* value); 48 virtual status_t connect(const sp<IProducerListener>& token, int api, 49 bool producerControlledByApp, QueueBufferOutput* output); 50 virtual status_t disconnect(int api); 51 virtual status_t setSidebandStream(const sp<NativeHandle>& stream); 52 53private: 54 sp<BnGraphicBufferProducer> mProducer; 55 sp<SurfaceFlinger> mFlinger; 56}; 57 58}; // namespace android 59 60#endif // ANDROID_MONITORED_PRODUCER_H 61