gecko/netwerk/protocol/device/CameraStreamImpl.h
2012-05-21 12:12:37 +01:00

69 lines
1.7 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __CAMERASTREAMIMPL_H__
#define __CAMERASTREAMIMPL_H__
#include "nsString.h"
#include "AndroidBridge.h"
/**
* This singleton class handles communication with the Android camera
* through JNI. It is used by the IPDL parent or directly from the chrome process
*/
namespace mozilla {
namespace net {
class CameraStreamImpl {
public:
class FrameCallback {
public:
virtual void ReceiveFrame(char* frame, PRUint32 length) = 0;
};
/**
* instance bound to a given camera
*/
static CameraStreamImpl* GetInstance(PRUint32 aCamera);
bool initNeeded() {
return !mInit;
}
FrameCallback* GetFrameCallback() {
return mCallback;
}
bool Init(const nsCString& contentType, const PRUint32& camera, const PRUint32& width, const PRUint32& height, FrameCallback* callback);
void Close();
PRUint32 GetWidth() { return mWidth; }
PRUint32 GetHeight() { return mHeight; }
PRUint32 GetFps() { return mFps; }
void takePicture(const nsAString& aFileName);
void transmitFrame(JNIEnv *env, jbyteArray *data);
private:
CameraStreamImpl(PRUint32 aCamera);
CameraStreamImpl(const CameraStreamImpl&);
CameraStreamImpl& operator=(const CameraStreamImpl&);
~CameraStreamImpl();
bool mInit;
PRUint32 mCamera;
PRUint32 mWidth;
PRUint32 mHeight;
PRUint32 mFps;
FrameCallback* mCallback;
};
} // namespace net
} // namespace mozilla
#endif