| /* |
| * 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_CALLBACKPROCESSOR_H |
| #define ANDROID_SERVERS_CAMERA_CAMERA2_CALLBACKPROCESSOR_H |
| |
| #include <utils/Thread.h> |
| #include <utils/String16.h> |
| #include <utils/Vector.h> |
| #include <utils/Mutex.h> |
| #include <utils/Condition.h> |
| #include <gui/CpuConsumer.h> |
| |
| #include "api1/client2/Camera2Heap.h" |
| |
| namespace android { |
| |
| class Camera2Client; |
| class CameraDeviceBase; |
| |
| namespace camera2 { |
| |
| class Parameters; |
| |
| /*** |
| * Still image capture output image processing |
| */ |
| class CallbackProcessor: |
| public Thread, public CpuConsumer::FrameAvailableListener { |
| public: |
| CallbackProcessor(sp<Camera2Client> client); |
| ~CallbackProcessor(); |
| |
| void onFrameAvailable(const BufferItem& item); |
| |
| // Set to NULL to disable the direct-to-app callback window |
| status_t setCallbackWindow(sp<ANativeWindow> callbackWindow); |
| status_t updateStream(const Parameters ¶ms); |
| status_t deleteStream(); |
| int getStreamId() const; |
| |
| void dump(int fd, const Vector<String16>& args) const; |
| private: |
| static const nsecs_t kWaitDuration = 10000000; // 10 ms |
| wp<Camera2Client> mClient; |
| wp<CameraDeviceBase> mDevice; |
| int mId; |
| |
| mutable Mutex mInputMutex; |
| bool mCallbackAvailable; |
| Condition mCallbackAvailableSignal; |
| |
| enum { |
| NO_STREAM = -1 |
| }; |
| |
| // True if mCallbackWindow is a remote consumer, false if just the local |
| // mCallbackConsumer |
| bool mCallbackToApp; |
| int mCallbackStreamId; |
| static const size_t kCallbackHeapCount = 6; |
| sp<CpuConsumer> mCallbackConsumer; |
| sp<ANativeWindow> mCallbackWindow; |
| sp<Camera2Heap> mCallbackHeap; |
| int mCallbackHeapId; |
| size_t mCallbackHeapHead, mCallbackHeapFree; |
| |
| virtual bool threadLoop(); |
| |
| status_t processNewCallback(sp<Camera2Client> &client); |
| // Used when shutting down |
| status_t discardNewCallback(); |
| |
| // Convert from flexible YUV to NV21 or YV12 |
| status_t convertFromFlexibleYuv(int32_t previewFormat, |
| uint8_t *dst, |
| const CpuConsumer::LockedBuffer &src, |
| uint32_t dstYStride, |
| uint32_t dstCStride) const; |
| }; |
| |
| |
| }; //namespace camera2 |
| }; //namespace android |
| |
| #endif |