[vdr] Re: packet size of recordings

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Rene Bartsch wrote:
> 
> ----- Original Message -----
> From: "Klaus Schmidinger" <Klaus.Schmidinger@cadsoft.de>
> To: <vdr@linuxtv.org>
> Sent: Friday, January 10, 2003 12:26 PM
> Subject: [vdr] Re: packet size of recordings
> 
> > Rene Bartsch wrote:
> > >
> > > ----- Original Message -----
> > > From: "Klaus Schmidinger" <Klaus.Schmidinger@cadsoft.de>
> > > To: <vdr@linuxtv.org>
> > > Sent: Thursday, January 09, 2003 6:09 PM
> > > Subject: [vdr] Re: packet size of recordings
> > >
> > > > Johannes Schoeller wrote:
> > > > >
> > > > > hi all!
> > > > >
> > > > > i want to optimize the transfer rate of my nfs based client (=vdr)
> > > server
> > > > > solution.
> > > > > so my question is: what's the size of the packets transferred by
> VDR.
> > > > >
> > > > > maybe the question is not asked right for network pros. :) so to
> make it
> > > a
> > > > > bit clear: i want to read BIG files. but i don't read them at one,
> but
> > > in
> > > > > small chunks. (more like streaming). and i would like to know how
> big
> > > these
> > > > > chunks are.
> > > >
> > > > Take a look at VDR/remux.c. It produces packets of at most 2048 byte.
> > > > But not all packets necessarily have that size, they may as well be
> > > smaller.
> > > >
> > >
> > > Does that mean you can influence packet-size by few changes in remux.c?
> > >
> > > Setting the packet-size to VOB-compliant value would make it unnecessary
> to
> > > repack for creating DVDs.
> > >
> > > This would be great ...
> >
> > You could try that by changing the value in remux.c. But be aware that
> this
> > is only the _maximum_ packet size - there may as well be smaller packets.
> >
> 
> Is it possible to add some function, which sets a minimum packet size? (I
> don't know the internals of DVB and MPEG, so I ask).

Should be possible - but what sense would that make, apart from blowing up the file
size??

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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