зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
3.4 KiB
C++
111 строки
3.4 KiB
C++
/*
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* Copyright (C) 2012 Mozilla Foundation
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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 DOM_CAMERA_GONKCAMERAHWMGR_H
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#define DOM_CAMERA_GONKCAMERAHWMGR_H
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#include "libcameraservice/CameraHardwareInterface.h"
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#include "binder/IMemory.h"
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#include "mozilla/ReentrantMonitor.h"
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#include "GonkCameraControl.h"
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#include "CameraCommon.h"
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#include "GonkNativeWindow.h"
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// config
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#define GIHM_TIMING_RECEIVEFRAME 0
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#define GIHM_TIMING_OVERALL 1
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using namespace mozilla;
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using namespace android;
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namespace mozilla {
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typedef class nsGonkCameraControl GonkCamera;
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class GonkCameraHardware : GonkNativeWindowNewFrameCallback
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{
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protected:
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GonkCameraHardware(GonkCamera* aTarget, uint32_t aCamera);
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~GonkCameraHardware();
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void Init();
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static void DataCallback(int32_t aMsgType, const sp<IMemory> &aDataPtr, camera_frame_metadata_t* aMetadata, void* aUser);
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static void NotifyCallback(int32_t aMsgType, int32_t ext1, int32_t ext2, void* aUser);
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public:
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virtual void OnNewFrame() MOZ_OVERRIDE;
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static void ReleaseHandle(uint32_t aHwHandle);
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static uint32_t GetHandle(GonkCamera* aTarget, uint32_t aCamera);
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static int AutoFocus(uint32_t aHwHandle);
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static void CancelAutoFocus(uint32_t aHwHandle);
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static int TakePicture(uint32_t aHwHandle);
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static void CancelTakePicture(uint32_t aHwHandle);
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static int StartPreview(uint32_t aHwHandle);
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static void StopPreview(uint32_t aHwHandle);
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static int PushParameters(uint32_t aHwHandle, const CameraParameters& aParams);
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static void PullParameters(uint32_t aHwHandle, CameraParameters& aParams);
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protected:
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static GonkCameraHardware* sHw;
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static uint32_t sHwHandle;
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static GonkCameraHardware* GetHardware(uint32_t aHwHandle)
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{
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if (aHwHandle == sHwHandle) {
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/**
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* In the initial case, sHw will be null and sHwHandle will be 0,
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* so even if this function is called with aHwHandle = 0, the
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* result will still be null.
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*/
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return sHw;
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}
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return nullptr;
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}
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// Instance wrapper to make member function access easier.
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int StartPreview();
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uint32_t mCamera;
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bool mClosing;
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mozilla::ReentrantMonitor mMonitor;
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uint32_t mNumFrames;
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sp<CameraHardwareInterface> mHardware;
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GonkCamera* mTarget;
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camera_module_t* mModule;
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sp<ANativeWindow> mWindow;
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#if GIHM_TIMING_OVERALL
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struct timespec mStart;
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struct timespec mAutoFocusStart;
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#endif
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bool mInitialized;
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bool IsInitialized()
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{
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return mInitialized;
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}
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private:
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GonkCameraHardware(const GonkCameraHardware&) MOZ_DELETE;
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GonkCameraHardware& operator=(const GonkCameraHardware&) MOZ_DELETE;
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};
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} // namespace mozilla
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#endif // GONK_IMPL_HW_MGR_H
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