Re: Streaming over TCP

Denis Knjazihhin wrote:
> Can vls be configured send data over a regular TCP connection to a vlc,
> instead of using UDP? I'm doing some experiments on streaming video over a
> new version of TCP, that's why I'm looking for a streaming video server
> that is implemented using TCP. 
> 
> Thanks, 
> 
> ~ Denis
> 

Currently it cannot be configured like that. So do it your self;-)

Luckily it is not that difficult to implement. You only need to write a 
new netchannel (src/modules/netchannel) and netoutput. And top it off 
with a new input to leverage you're new tcpchannel and tcpoutput.

Some background the "input" is used to setup a stream from "filereader" 
to "netchannel" (see the developer documentation for more detail).

filereader <-- convertor --> fifo <-- channel --> output --> networkcard
   ^
   |
input

Now the big drawback. Because TCP/IP uses connections and 
retransmissions you loose the exact timing in the 'real-time' stream 
(directly from DVB input, v4l or file). What I mean is that the 
retransmission of a TCP packet may come too late to get to the decoder, 
which will result in stalling picture(s) or A/V artefacts.
A TCP channel is only really useable for *downloading* videos ala http 
download, which is also a nice thing to support ;-)

Greetings,
Jean-Paul Saman.

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