void MainWindow::perpare_for_recording(IplImage* image)
{
ReleaseVideoWriter();
int fps = 10; // or 30
int frameW = image->width;
int frameH = image->height;
QString filename = get_record_filename();
writer = cvCreateVideoWriter(filename.toAscii().constData(),CV_FOURCC('X', 'V', 'I', 'D'),fps,cvSize(frameW,frameH),1);
}
//start the tracker
void MainWindow::start_tracking()
{
cvNamedWindow("binary");
cvNamedWindow("vid");
IplImage* image=NULL;
IplImage* binary_image = NULL;
//int k = 0; //skipped frame count
clock_t start_time = clock();
while(tracker_state == STATE_STARTED_TRACKING &&
((image = video_loader.next_frame())!= NULL))
{
tracker->next_image(image);
binary_image = tracker->get_binary_model();
draw_targets(image);
//Record when there is substantial motion
if (config->record_activity) {
cout << "RECORDING" << endl;
record_activity(image);
}
cvShowImage("binary", binary_image);
cvShowImage("vid", image);
cvWaitKey(1);
}
clock_t elapsed_time = clock() - start_time;
cout << "clock ticks = " << elapsed_time << endl;
cout << "seconds = " << (float)elapsed_time/(float)CLOCKS_PER_SEC << endl;
if (tracker_state == STATE_STARTED_TRACKING && !image)
{
//video is over, terminate tracking.
tracker->end_tracking();
ReleaseVideoWriter();
ReleaseVideoBuffer();
tracker_state = STATE_NOT_STARTED;
//Update the trace table
update_trace_list();
//Update the target table
update_target_list();
//Update the elevator list table
update_event_list();
update_gui();
}
}
void MainWindow::on_exit_clicked()
{
QMessageBox msgBox;
msgBox.setText("Would you like to exit the application?");
msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
msgBox.setDefaultButton(QMessageBox::No);
if (msgBox.exec()==QMessageBox::Yes) {
ReleaseVideoWriter();
ReleaseVideoBuffer();
exit(0);
}
}
void exportVideoRenderTarget::closeRenderTarget() throw(Error_sV)
{
VideoWriter* writer;;
qDebug() << "exporting temporary frame to Video" << m_filename << " using codec " << m_vcodec << "starting at " << first;
if (m_vcodec.isEmpty())
writer = CreateVideoWriter(m_filename.toStdString().c_str(),
renderTask()->resolution().width(),
renderTask()->resolution().height(),
renderTask()->fps().fps(),use_qt,0);
else
writer = CreateVideoWriter(m_filename.toStdString().c_str(),
renderTask()->resolution().width(),
renderTask()->resolution().height(),
renderTask()->fps().fps(),use_qt,m_vcodec.toStdString().c_str());
if (writer == 0) {
throw Error_sV(QObject::tr("Video could not be prepared .\n"));
}
exportFrames(writer, m_targetDir.absoluteFilePath(m_filenamePattern.arg("%05d")).toStdString().c_str(),first,renderTask());
ReleaseVideoWriter( &writer );
}
void newVideoRenderTarget::closeRenderTarget() throw(Error_sV)
{
ReleaseVideoWriter( &writer );
}
