gecko/netwerk/protocol/device/CameraStreamImpl.cpp

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2012-05-21 04:12:37 -07:00
/* 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/. */
#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);
uint32_t length = env->GetArrayLength(*data);
if (length > 0) {
mCallback->ReceiveFrame((char*)jFrame, length);
}
env->ReleaseByteArrayElements(*data, jFrame, 0);
}
CameraStreamImpl* CameraStreamImpl::GetInstance(uint32_t 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(uint32_t 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 uint32_t& camera, const uint32_t& width, const uint32_t& 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