[Live-devel] Adding multiple sources

[Stas Desyatnlkov]

Hi,

I thought about overriding doEventLoop in a class derived from
BasicTaskScheduler. But someone gave me a better idea.

 

The idea is creating a socket that will serve as request sink. When a
new source or sink needs to be added a message is sent to the socket
(request sink) and the select called by NextStep exits (because request
sink is readable). When a message on the socket is received it handles
it and creates new sink or source according to received message data.

 

The socket can be opened as UDP because it will receive messages over
local loop (so no chance data is lost).

 

Am I on the right track here ?

 

Regards,

Stas.

 

-----Original Message-----
From: live-devel-bounces at ns.live555.com
[mailto:live-devel-bounces at ns.live555.com] On Behalf Of Ross Finlayson
Sent: Sunday, April 02, 2006 3:33 PM
To: LIVE555 Streaming Media - development & use
Subject: Re: [Live-devel] Adding multiple sources

 

 

>I'm trying to use live library in my VoIP application. I need to be 

>able to add and remove RTP sources in run time.

> 

>What I currently do is:

> 

>1)      Stop the doEventLoop loop by setting watch variable from other
thread

> 

>2)      Add new RTP source

> 

>3)      Restart the doEventLoop

> 

>This is ugly - when a new channel is added all others are stopped, 

>so there is a hiccup in the sound stream.

 

I don't see how this would happen.  The three steps you listed should 

take no significant time.  So, there must be something else you're 

doing (perhaps in combination with your step 2?) that's causing this
delay.

 

 

>How can I add a new source without stopping the doEventLoop ?

 

Yes, of course - you can create new "RTPSource"s from within the 

event loop.  Of course, you have to do this within the LIVE555 event 

loop itself - i.e., in response to an event - not from within your 

external thread.  However, as I noted above, I'm not convinced that 

this would solve the problem with your application.

 

 

      Ross Finlayson

      Live Networks, Inc. (LIVE555.COM)

      <http://www.live555.com/>

 

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