[Live-devel] Real-time Video Viewing

[Ross Finlayson]

At 11:40 AM 12/6/2005, you wrote:
>We have an application that requires real-time viewing of an RTSP/RTP video
>stream.  We need near-zero latency between when a video frame is captured
>and when it is presented on the camera viewer.  The video streamer/server is
>based on LIVE555 using a custom video source derived from FramedSource.  The
>camera viewer is a VideoLAN VLC ActiveX Control.  I have tried setting the
>VLCOption ":rtsp-caching=0", but this doesn't have any effect.

Try also using the "Preferences" menu in the GUI.  (Note that you'll 
need to click the "Advanced options" check box to see the "caching 
value (ms)" entry.)

>   I'm
>currently getting about a 2-3 second delay in the video stream.
>
>Any suggestions would be greatly appreciated.

Because you have complete control over your server (i.e., source 
code), it should be easy for you to figure out how much of this 
latency is occurring in the server, and where.


	Ross Finlayson
	Live Networks, Inc. (LIVE555.COM)
	<http://www.live555.com/>