[linux-dvb] Re: concurrent recording and play-out

[Marcus O.C. Metzler <mocm@convergence.de>]

Elbert Streek writes:
 > Marcus,
 > 
 >  Thanx for the reply.
 > 
 > >From your answer i understand that it is possible but with limitations.
 > What exactly is the limitation of the hardware? I know the hardware is
 > limited
 > in filtering the bitstream but what is the relation between input
 > filtering
 > and (output) decoding?
 > 

The limitation is the debi port to the pc. There is not enough bandwidth to
get the data from and to the pc at same same time. The chips on the
card would allow recording and playback at the same time with a
different hardware connection to the pc.

 > The other question i have is the budget DVB card. Is this card supported
 > by
 > the current DVB driver? If so where is the filtering done? In the driver
 > or
 > somewhere in de VDR application?
 > 

Filtering is done in software within the context of the dvbapi
devices. VDR does not yet use the "new" dvbapi.

Marcus

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Dr. Marcus Metzler                             
mocm@netcologne.de                     http://www.metzlerbros.de
mocm@convergence.de                    http://www.convergence.de

Convergence Integrated Media GmbH          
Rosenthaler Str. 51                   
D-10178 Berlin                             
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