int CFrmPlayer::TestCamera()
{
static Hander* pHander = NULL;
if(pHander)
return 0;
std::vector<CCameraInfo::CamerInfo> lstInfo;
int nRet = CCameraFactory::Instance()->EnumDevice(lstInfo);
std::vector<CCameraInfo::CamerInfo>::iterator it;
for (it = lstInfo.begin(); it != lstInfo.end(); it++)
{
LOG_MODEL_DEBUG("CFrmPlayer", "index:%d;name:%s",
it->nIndex,
it->szName.c_str()
);
}
CFrameProcess* pProcess = new CFrameProcess();
bool check = connect(
pProcess, SIGNAL(sigCaptureFrame(QVideoFrame)),
/*pProcess, SLOT(slotFrameConvertedToRGB32(QVideoFrame)));
Q_ASSERT(check);
check = connect(pProcess,
SIGNAL(sigFrameConvertedToRGB32Frame(QVideoFrame)),*/
this, SLOT(slotPresent(QVideoFrame)));
Q_ASSERT(check);
pHander = new Hander(this, pProcess);
VideoInfo vi;
vi.Format = VIDEO_FORMAT_RGB24;
vi.nHeight = 480;
vi.nWidth = 640;
vi.nRatio = 15;
CCameraFactory::Instance()->GetCamera(0)->Open(pHander);
CCameraFactory::Instance()->GetCamera(0)->Start();
return nRet;
}
void CCameraOpencv::slotTimeOut()
{
#ifdef DEBUG_VIDEO_TIME
LOG_MODEL_DEBUG("CCameraOpencv", "CCameraOpencv::slotTimeOut threadid:0x%X", QThread::currentThread());
#endif
cv::Mat frame;
#ifdef ANDROID
if(!m_videoCapture.grab())
return;
m_videoCapture.retrieve(frame, CV_CAP_ANDROID_COLOR_FRAME_RGB);//cv::CAP_ANDROID_COLOR_FRAME_RGB
#else
m_videoCapture >> frame;
//因为opencv会在内部把图像转化为BGR格式
cv::cvtColor(frame, frame, cv::COLOR_BGR2RGB);
#endif
if(frame.empty())
return;
/*LOG_MODEL_DEBUG("CCameraOpencv", "frame.type:%d;format:%d", frame.type(),
#ifdef ANDROID
m_videoCapture.get(cv::CAP_PROP_ANDROID_PREVIEW_FORMAT)
#else
m_videoCapture.get(cv::CAP_PROP_FORMAT)
#endif
);
*/
/*第一种转换方法：用QImage
QImage image((uchar*)(frame.data), frame.cols, frame.rows, QImage::Format_RGB888); //RGB888就是RGB24即RGB
QVideoFrame outFrame(image);//*/
//*第二种转换方法：用CDataVideoBuffer
QByteArray outData((const char*)frame.data, (int)(frame.total() * frame.channels()));
//frame.total指图片像素个数，总字节数(dst.data)=dst.total*dst.channels()
//由QVideoFrame进行释放
CDataVideoBuffer* pBuffer = new CDataVideoBuffer(outData,
frame.cols,
frame.rows);
//LOG_MODEL_DEBUG("CCameraOpencv", "CCameraOpencv format:%d", dbFormat);
QVideoFrame outFrame(pBuffer,
QSize(frame.cols,
frame.rows),
QVideoFrame::Format_RGB24);//*/
#ifdef ANDROID
emit sigCaptureRawFrame(outFrame);
#else
emit sigCaptureFrame(outFrame);//opencv已经做过镜像了
#endif
}
/*
bool CCameraQtCaptureVideoFrame::isFormatSupported(const QVideoSurfaceFormat &format) const
{
const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
const QSize size = format.frameSize();
LOG_MODEL_DEBUG("CCameraQtCaptureVideoFrame", "format:%d;size:%s;handleType:%d", imageFormat, size, format.handleType());
return imageFormat != QImage::Format_Invalid
&& !size.isEmpty()
&& format.handleType() == QAbstractVideoBuffer::NoHandle;
}
*/
bool CCameraQtCaptureVideoFrame::present(const QVideoFrame &frame)
{
#ifdef DEBUG_VIDEO_TIME
static QTime preTime = QTime::currentTime();
QTime curTime = QTime::currentTime();
LOG_MODEL_DEBUG("Video", "CCameraQtCaptureVideoFrame::present:threadid:0x%X, preTime:%s, currTime:%s, space:%d",
QThread::currentThreadId(),
qPrintable(preTime.toString("hh:mm:ss.zzz")),
qPrintable(curTime.toString("hh:mm:ss.zzz")),
preTime.msecsTo(curTime));
preTime = curTime;
#endif
if(m_pCamera)
m_pCamera->Present(frame);
emit sigCaptureFrame(frame);
return true;
}
