gecko/netwerk/protocol/device/CameraStreamImpl.h

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Camera.
*
* The Initial Developer of the Original Code is Mozilla Corporation
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Fabrice Desré <fabrice@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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