[streaming] Re: vls & webcam

[Chen Li-Shien]

Does any document specify the limit of the CPU
when use software encoding by VLS/VLC

thank you


On Mon, 27 Oct 2003 09:39:59 +0100, Jean-Paul Saman wrote
> Chen Li-Shien wrote:
> > Recently, I tried to download VLS of CVS code (from Junu to October 2003)
> > 
> > After I try to stream my IBM webcam, some problem happened
> > 
> > "trashing video frame, your pc is too slow", then segmentation fault
> > 
> > I guess it was caused by
> > 
> > 1.my pc is really to slow (133x7.5 = 1G)
> > 
> This one is obvious.
> 
> > 2.my ibm webcam framerate is too slow (22-23 fps)
> > 
> That is not too slow, it is a almost normal framerate. Normal video
> usually uses 25 fps, but having 22-23 fps won't be a big difference.
> 
> > Can anyone show me some light for these problem
> ;-)
> 
> > by the way , vls of cvs code didnt support mpeg-1 streaming ?
> MPEG-1 streaming is almost impossible, because it is not a streaming
> format. It lacks the necessary headers that the client needs to
> determine how to decode the video stream. VLS has no extra logic for
> this. If you *want* to stream mpeg-1, then you can either:
> 1) convert it to *.ts by using VLC (or another tools)
> 2) use VLC for streaming that file.
> 
> -- 
> Kind greetings,
> 
> Jean-Paul Saman
> 
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--
Communication and Multimedia Laboratory
Dept. of Computer Science and Information Engineering, NTU

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