The VideoLAN Forums

Hey again,

Maybe I didn' clarify. My Win XP uses the DVD, streams great. When I use the tuner on my AMD 450 or Web cam on my PII 350, that's when I get the FATAL EXCEPTION error, on those computers, not the client. I'll try anything. I re-installed both the tuner card and web cam using the most up to date drivers I could find.

It's weird, it tries to work then, poof, fatal error. Same for both of the lesser computers.

If when it dies is when you try to stream from the lower CPU boxes, that might be lack of horsepower. For both of those cases you must use transcoding -- you cannot stream raw video, which is what you get from a Webcam or many (if not all) TV tuners.

You can try transcoding at lower frame rates -- the processing power required is linearly related to frames_per_second x resolution (heightxwidth in pixels).

Theres a --sout-transcode-fps parameter, also accessible through Settings -- Preferences -- Modules -- sout stream -- stream_out_transcode. Check the "Advanced options" box and you'll see "Video frame-rate" The default of 0 means to try to process as many fps as the input (Webcam or tuner) is providing, which may easily be 25 or 30 fps. Try plugging in, say, 5, see if it works, then you can slowly increase the frame rate.

No guarantees, 350 and 450 MHz are a bit on the low end for video (remember, this stuff used to all require dedicated digital signal processors).

Good luck!

Trying to use a web cam. Running Win2k, dual PIII @ 1 gig. I don't think it's a horsepower issue.... I'll try debuging it under .NET but can't spend a lot of time on it right now. Anyone else using dual (or more) CPU's? Is this code safe on multi-processor systems? Are there any known thread sync problems?