| /* |
| * Copyright (C) 2012 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_SERVERS_CAMERA_CAMERA2_ZSLPROCESSOR_H |
| #define ANDROID_SERVERS_CAMERA_CAMERA2_ZSLPROCESSOR_H |
| |
| #include <utils/Thread.h> |
| #include <utils/String16.h> |
| #include <utils/Vector.h> |
| #include <utils/Mutex.h> |
| #include <utils/Condition.h> |
| #include <gui/BufferItemConsumer.h> |
| #include <camera/CameraMetadata.h> |
| #include <camera/CaptureResult.h> |
| |
| #include "common/CameraDeviceBase.h" |
| #include "api1/client2/ZslProcessorInterface.h" |
| #include "api1/client2/FrameProcessor.h" |
| |
| namespace android { |
| |
| class Camera2Client; |
| |
| namespace camera2 { |
| |
| class CaptureSequencer; |
| class Parameters; |
| |
| /*** |
| * ZSL queue processing |
| */ |
| class ZslProcessor: |
| virtual public Thread, |
| virtual public BufferItemConsumer::FrameAvailableListener, |
| virtual public FrameProcessor::FilteredListener, |
| virtual public CameraDeviceBase::BufferReleasedListener, |
| public ZslProcessorInterface { |
| public: |
| ZslProcessor(sp<Camera2Client> client, wp<CaptureSequencer> sequencer); |
| ~ZslProcessor(); |
| |
| // From mZslConsumer |
| virtual void onFrameAvailable(const BufferItem& item); |
| // From FrameProcessor |
| virtual void onResultAvailable(const CaptureResult &result); |
| |
| virtual void onBufferReleased(buffer_handle_t *handle); |
| |
| /** |
| **************************************** |
| * ZslProcessorInterface implementation * |
| **************************************** |
| */ |
| |
| status_t updateStream(const Parameters ¶ms); |
| status_t deleteStream(); |
| status_t disconnect(); |
| int getStreamId() const; |
| |
| status_t pushToReprocess(int32_t requestId); |
| status_t clearZslQueue(); |
| |
| void dump(int fd, const Vector<String16>& args) const; |
| private: |
| static const nsecs_t kWaitDuration = 10000000; // 10 ms |
| |
| enum { |
| RUNNING, |
| LOCKED |
| } mState; |
| |
| wp<Camera2Client> mClient; |
| wp<CameraDeviceBase> mDevice; |
| wp<CaptureSequencer> mSequencer; |
| int mId; |
| |
| bool mDeleted; |
| |
| mutable Mutex mInputMutex; |
| bool mZslBufferAvailable; |
| Condition mZslBufferAvailableSignal; |
| |
| enum { |
| NO_STREAM = -1 |
| }; |
| |
| int mZslStreamId; |
| int mZslReprocessStreamId; |
| sp<BufferItemConsumer> mZslConsumer; |
| sp<ANativeWindow> mZslWindow; |
| |
| struct ZslPair { |
| BufferItemConsumer::BufferItem buffer; |
| CameraMetadata frame; |
| }; |
| |
| static const size_t kZslBufferDepth = 4; |
| static const size_t kFrameListDepth = kZslBufferDepth * 2; |
| Vector<CameraMetadata> mFrameList; |
| size_t mFrameListHead; |
| |
| ZslPair mNextPair; |
| |
| Vector<ZslPair> mZslQueue; |
| size_t mZslQueueHead; |
| size_t mZslQueueTail; |
| |
| CameraMetadata mLatestCapturedRequest; |
| |
| virtual bool threadLoop(); |
| |
| status_t processNewZslBuffer(); |
| |
| // Match up entries from frame list to buffers in ZSL queue |
| void findMatchesLocked(); |
| |
| status_t clearZslQueueLocked(); |
| |
| void dumpZslQueue(int id) const; |
| }; |
| |
| |
| }; //namespace camera2 |
| }; //namespace android |
| |
| #endif |