[FFmpeg-devel] [PATCH] Add a new flag AVFMT_NETWORK

[Joakim Plate]

> > > Hmm, I'm not sure if one should assume that they mean the same thing. As a 
> > > somewhat crafted example, there could be a (de)muxer that needs to call 
> > > network functions for some reason, but still reads mostly locally.
> > 
> > Can you provide an practical example of this.
> 
> Not really - it was purely hypothetical, trying to point out that "using 
> network functions" and "slow seeks" don't necessarily go hand in hand, 
> even if they often do.

As a example.. cifs file system. Each read request is accompanied with where the 
read is taking place. So a seek on that is no slower than a normal read request. 
As compared to http where you need to tear down the connection and recreate it.