Slowing down VLC transfer rates

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aesposi
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Slowing down VLC transfer rates

Postby aesposi » 10 Jan 2008 14:52

Hello to all,

Just wanted to note I have little to no knowledge about the codecs or video streaming. I work as a network admin and got assigned the task of streaming video for our CEO's speeches. First off I am running a test using a DVD player attached to my Osprey card. I am currently running VLC Player 0.8.6 because the Capture card was being really inconsistent with the latest version. I am able to capture the DVD player and run a stream to one other PC via HTTP using the wizard (also used ASF encapsulation). The issue is that the switch statistics are saying an average of like 17megs are being used. I am unable to find an option to limit the transfer rates via the GUI and have seen a lot regarding this via the command line.

Maybe someone here can give me a hand in finding out the proper encapsulation and such in order to limit each stream to about 256kbps per stream?

Any help would be greatly appreciated!

Jean-Baptiste Kempf
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Re: Slowing down VLC transfer rates

Postby Jean-Baptiste Kempf » 10 Jan 2008 18:37

Reduce the size and the bitrate and use a stronger codec
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aesposi
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Re: Slowing down VLC transfer rates

Postby aesposi » 10 Jan 2008 19:35

Yah I finally found that....apparently I'm just blind. Another question I have is that from what I can see via the GUI, I can only use UDP in a push method? Where if I select UDP as the output method, I can only specify one client or a broadcast as the destination? From what I have read UDP is much better than HTTP in streaming, but it seems that UDP only works in that "push method" where I thought it would have been able to multiplex multiple streams.

Any verification would be great.

aesposi
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Re: Slowing down VLC transfer rates

Postby aesposi » 11 Jan 2008 15:46

So I've been playing around with a WAN simulator and altering the bandwidth and delay setting with HTTP and UDP. HTTP seems to be extremely delay sensitive and cannot get it to work with anything other than 0 delay, UDP seems fine with almost any delay setting but will only work with 450k bandwidth even tho the server bitrate is set to 192 video, and 16 voice. I know that HTTP is working over TCP which is useless for streaming but I'm trying to find some sort of resolution and I can't seem to determine any via the GUI options.

Any suggestions?

VLC_help
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Re: Slowing down VLC transfer rates

Postby VLC_help » 11 Jan 2008 17:57

What encapsulation and codecs you used when your 192 kbps video and 16 kbps audio took 450 kbps bandwidth?


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