static void UpdateFrame(object sender, ElapsedEventArgs e)
{
if (updateFrameProcessing)
{
WriteLog("Skip UpdateFrame. UpdateFrameProcessing...");
return;
}
try
{
updateFrameProcessing = true;
var frame = videoInputStream.Read();
if (frame != null)
{
lastOriginalFrame = frame.Clone();
if (frame.Size() != GetOutputSize(frame.Size()))
{
var x = frame;
frame = frame.Resize(GetOutputSize(frame.Size()));
x.Dispose();
}
if (!string.IsNullOrEmpty(caption?.Caption))
{
var x = frame;
frame = PutCaption(frame, caption, captionFont);
x.Dispose();
}
videoLiveStream.Write(frame.Clone());
lock (syncOutput)
{
if (videoOutputStream != null)
{
//WriteLog($"videoOutputStream.Write");
videoOutputStream.Write(frame);
}
}
lastFrame = frame;
}
}
finally
{
updateFrameProcessing = false;
}
}
