gecko/netwerk/protocol/device/CameraStreamImpl.cpp

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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 ***** */
#include "CameraStreamImpl.h"
#include "nsCRTGlue.h"
#include "nsThreadUtils.h"
#include "nsXULAppAPI.h"
#include "mozilla/Monitor.h"
/**
* JNI part & helper runnable
*/
extern "C" {
NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_cameraCallbackBridge(JNIEnv *, jclass, jbyteArray data);
}
NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_cameraCallbackBridge(JNIEnv *env, jclass, jbyteArray data) {
mozilla::net::CameraStreamImpl* impl = mozilla::net::CameraStreamImpl::GetInstance(0);
impl->transmitFrame(env, &data);
}
using namespace mozilla;
namespace mozilla {
namespace net {
static CameraStreamImpl* mCamera0 = NULL;
static CameraStreamImpl* mCamera1 = NULL;
/**
* CameraStreamImpl
*/
void CameraStreamImpl::transmitFrame(JNIEnv *env, jbyteArray *data) {
if (!mCallback)
return;
jboolean isCopy;
jbyte* jFrame = env->GetByteArrayElements(*data, &isCopy);
PRUint32 length = env->GetArrayLength(*data);
if (length > 0) {
mCallback->ReceiveFrame((char*)jFrame, length);
}
env->ReleaseByteArrayElements(*data, jFrame, 0);
}
CameraStreamImpl* CameraStreamImpl::GetInstance(PRUint32 aCamera) {
CameraStreamImpl* res = NULL;
switch(aCamera) {
case 0:
if (mCamera0)
res = mCamera0;
else
res = mCamera0 = new CameraStreamImpl(aCamera);
break;
case 1:
if (mCamera1)
res = mCamera1;
else
res = mCamera1 = new CameraStreamImpl(aCamera);
break;
}
return res;
}
CameraStreamImpl::CameraStreamImpl(PRUint32 aCamera) :
mInit(false), mCamera(aCamera)
{
NS_WARNING("CameraStreamImpl::CameraStreamImpl()");
mWidth = 0;
mHeight = 0;
mFps = 0;
}
CameraStreamImpl::~CameraStreamImpl()
{
NS_WARNING("CameraStreamImpl::~CameraStreamImpl()");
}
bool CameraStreamImpl::Init(const nsCString& contentType, const PRUint32& camera, const PRUint32& width, const PRUint32& height, FrameCallback* aCallback)
{
mCallback = aCallback;
mWidth = width;
mHeight = height;
return AndroidBridge::Bridge()->InitCamera(contentType, camera, &mWidth, &mHeight, &mFps);
}
void CameraStreamImpl::Close() {
AndroidBridge::Bridge()->CloseCamera();
mCallback = NULL;
}
} // namespace net
} // namespace mozilla