[M4IF Technotes] About Video Packet!

Harald Fuchs fuchs iis.fhg.de
Thu Feb 20 12:32:05 EST 2003


On Thursday 20 February 2024 06:47, A. Murat Tekalp wrote:
> Can you also comment on the utility of RVLC in packet video.
> Doesn't the network discard packets with bit errors?
> Murat
>

RVLC and data partitioning are only useful for transmissions with bit errors.
In the usual internet environment (IP/UDP/RTP) packets with errors are 
discarded (as you said) and not delivered to the client application. Only the 
video packet resync markers are useful to divide a video access unit into 
several rtp packets that are decodable separately.
In closed ip-networks over radio links with a moderate bit error rate it may 
be useful to deliver error prone packets utilizing the UDP-lite internet 
draft <draft-ietf-tsvwg-udp-lite-01.txt> instead of discaring all packets 
with errors completely. In this environment the use of data partitioning and 
RVLC makes sense. 
Regards,
Harald
-- 
------------------------------------------------------------- 
 Harald Fuchs			 Fraunhofer IIS
 email:  fuchs   iis.fhg.de    	 Department Studio    
 phone:  +49-9131-776-382	 Am Wolfsmantel 33
 fax  :  +49-9131-776-399	 D-91058 Erlangen (Germany)
=============================================================


More information about the Mp4-tech mailing list