[Live-devel] RTP sink to serial

[Yedidia Amit]

Thanks Paul,
 
Seems very  very interesting..
I do have control on bothe sides.
 
According to what I understand, the SLIP (and the other configuration)
creates IP routing threw the serial line.
So after assigning SLIP device and add route to some IP (real or dummy?
does it matter?), every packet that I will send to this IP will pop out
at the other end.
 
Now, to use it in LIVE, I just need to provide the ip_addr (SLIP assigne
ip_addr ) and port (any numebr).
The socket that will be created will use this port and SLIP device for
both tx and rx.
 
Am I right?
 
thanks again.
 
 
 
 

Regards,


Amit Yedidia

----------------------------------------------------------

 


________________________________

	From: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] On Behalf Of Paul Clark
	Sent: Thursday, November 20, 2008 11:41 AM
	To: LIVE555 Streaming Media - development & use
	Subject: Re: [Live-devel] RTP sink to serial
	
	
	Yedidia Amit wrote: 

		I want to to send RTP packets (RTP header + payload
after packetization) to a serial port. 

		From my experience with Live I figure that using
socket_pair will be a good solution.

		In that way I will be able to use the current code to
send the data into the socket, and on the other side I will write some
listener that will recv from the socket and   transmit it using the
serial port.


	Just a random thought, which might save you having to have this
IP-to-serial conversion process...  I don't know whether you've got
control of the other end of the serial line, but could you not just set
up a SLIP interface and send the RTP over that?   The Live555 code would
just see it as a normal IP interface.  You'd need to do this at both
ends, but you could then have a standard UDP socket listener at the
receiver end to receive the RTP packets.
	
	On Linux, see `man slattach` and
http://www.informit.com/library/content.aspx?b=red_hat_linux7&seqNum=62
	
	Even if you couldn't do this at the remote end, SLIP is a really
simple protocol which you could implement yourself - see:
http://tools.ietf.org/html/rfc1055
	
	Regards
	
	Paul
	--
	Paul Clark
	Packet Ship Technologies Limited
	http://www.packetship.com
	
	


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