[Live-devel] Streaming over Wifi with no receiver

[Ashfaque]

Thanks for the reply Ross.

Our application reads frames from a camera at the rate of 33ms (30fps) which are encoded by a Hardware Codec and then fed to the H264Source::deliverFrame  method. But when receiver is not connected ping is gives below response after some duration with streaming:

ping –s “IP” says No buffer space is available.

I am not setting any value to fDurationInMicroseconds as frames are being read from a live camera.

Without running the application ping between the systems over Wifi has been verified for a very long duration.

The receiver application is again a live555 based iOS application.


From: Ross Finlayson 
Sent: Monday, May 21, 2012 2:43 PM
To: LIVE555 Streaming Media - development & use 
Subject: Re: [Live-devel] Streaming over Wifi with no receiver

Network transmission (over WiFi, or any other network interface) is handled by the operating system and its device drivers, and has nothing to do with our software, which operates at a higher level. 

However, I suspect that your problems are being caused by you attempting to transmit packets too quickly (causing congestion/buffering problems in your OS's device driver).

You haven't said what your LIVE555-based application does, but if you are feeding something into a "RTPSink" subclass, you must make sure that the "fDurationInMicroseconds" member variable is set before you complete delivery of each frame (unless you are feeding the "RTPSink" subclass object from a live source).



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




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