gecko-dev/dom/camera/GonkCameraControl.h

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/*
* Copyright (C) 2012 Mozilla Foundation
*
* 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 DOM_CAMERA_GONKCAMERACONTROL_H
#define DOM_CAMERA_GONKCAMERACONTROL_H
#include "base/basictypes.h"
#include "prtypes.h"
#include "prrwlock.h"
#include "nsIDOMCameraManager.h"
#include "DOMCameraControl.h"
#include "CameraControlImpl.h"
#include "CameraCommon.h"
namespace mozilla {
namespace layers {
class GraphicBufferLocked;
}
class nsGonkCameraControl : public CameraControlImpl
{
public:
nsGonkCameraControl(uint32_t aCameraId, nsIThread* aCameraThread, nsDOMCameraControl* aDOMCameraControl, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError);
nsresult Init();
const char* GetParameter(const char* aKey);
const char* GetParameterConstChar(uint32_t aKey);
double GetParameterDouble(uint32_t aKey);
void GetParameter(uint32_t aKey, nsTArray<dom::CameraRegion>& aRegions);
void SetParameter(const char* aKey, const char* aValue);
void SetParameter(uint32_t aKey, const char* aValue);
void SetParameter(uint32_t aKey, double aValue);
void SetParameter(uint32_t aKey, const nsTArray<dom::CameraRegion>& aRegions);
nsresult PushParameters();
void AutoFocusComplete(bool aSuccess);
void TakePictureComplete(uint8_t* aData, uint32_t aLength);
protected:
~nsGonkCameraControl();
nsresult GetPreviewStreamImpl(GetPreviewStreamTask* aGetPreviewStream);
nsresult StartPreviewImpl(StartPreviewTask* aStartPreview);
nsresult StopPreviewImpl(StopPreviewTask* aStopPreview);
nsresult AutoFocusImpl(AutoFocusTask* aAutoFocus);
nsresult TakePictureImpl(TakePictureTask* aTakePicture);
nsresult StartRecordingImpl(StartRecordingTask* aStartRecording);
nsresult StopRecordingImpl(StopRecordingTask* aStopRecording);
nsresult PushParametersImpl();
nsresult PullParametersImpl();
void SetPreviewSize(uint32_t aWidth, uint32_t aHeight);
uint32_t mHwHandle;
double mExposureCompensationMin;
double mExposureCompensationStep;
bool mDeferConfigUpdate;
PRRWLock* mRwLock;
android::CameraParameters mParams;
uint32_t mWidth;
uint32_t mHeight;
enum {
PREVIEW_FORMAT_UNKNOWN,
PREVIEW_FORMAT_YUV420P,
PREVIEW_FORMAT_YUV420SP
};
uint32_t mFormat;
uint32_t mFps;
uint32_t mDiscardedFrameCount;
private:
nsGonkCameraControl(const nsGonkCameraControl&) MOZ_DELETE;
nsGonkCameraControl& operator=(const nsGonkCameraControl&) MOZ_DELETE;
};
// camera driver callbacks
void ReceiveImage(nsGonkCameraControl* gc, uint8_t* aData, uint32_t aLength);
void AutoFocusComplete(nsGonkCameraControl* gc, bool aSuccess);
void ReceiveFrame(nsGonkCameraControl* gc, layers::GraphicBufferLocked* aBuffer);
} // namespace mozilla
#endif // DOM_CAMERA_GONKCAMERACONTROL_H