[Live-devel] Some questions need your help!

[Ross Finlayson]

>1. I want to write an application. I hope it can receive and send 
>video streaming at the same time. In that case, should I open two 
>BasicTaskSchedulers and two UsageEnvironments? Or, just only one 
>BasicTaskScheduler and one UsageEnvironment is enough?

You can probably do what you want using just a single event loop. 
I.e., one "UsageEnvironment" and one "BasicTaskScheduler".


>  2. I have a device which acts as a real-time MPEG4 video streaming 
>server. It resides at rtsp://adm:12345@177.0.0.1:5000/udpstream. I 
>can use the example of openRTSP program to communicate with it. But 
>I read the example of openRTSP program a lot of times and I still 
>cannot understand one thing which is 'Where has the continuously 
>received video stream gone?'. Where can I find it?

The output files - named "video-<something>" and "audio-<something>" 
- should be stored on your computer, in the same directory from which 
you ran the "openRTSP" application.


>  3. This is an extension to question 2. I have objects of 
>MPEG4ESVideoRTPSink and MPEG4GenericRTPSink. Which one can be used 
>to contain the video stream coming from video streaming server?

Neither of these.  "RTPSink"s are used to *send* RTP data.  To 
receive RTP data, "RTPSource"s are used.  This data is then written 
to a "MediaSink" subclass - e.g., a "FileSink" (for "openRTSP").
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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