public void StartSubtitles()
{
try
{
if (_subtitles.Count.Equals(0))
{
return;
}
SubtitleBackgroundWorker.RunWorkerAsync();
}
catch (System.Exception)
{
// didnt wait much time.
}
}
private void SubtitleBackgroundWorkerDoWork(object sender, DoWorkEventArgs e)
{
TimeSpan delta = new TimeSpan();
foreach (Subtitle subtitle in _subtitles.Values)
{
// wait for next text to appear
Thread.Sleep(subtitle.StartTime - delta);
// update delta
delta = subtitle.StartTime;
// set text
_text = subtitle.Text;
// fake report just to force main thread to send new text
SubtitleBackgroundWorker.ReportProgress(0);
// wait for text exit
Thread.Sleep(subtitle.EndTime - delta);
// update delta
delta = subtitle.EndTime;
// remove text
_text = string.Empty;
// fake report just to force main thread to send new text
SubtitleBackgroundWorker.ReportProgress(0);
// if cancel, leave
if (SubtitleBackgroundWorker.CancellationPending)
{
e.Cancel = true;
return;
}
}
}
public void StopSubtitles()
{
SubtitleBackgroundWorker.CancelAsync();
}
