[linux-dvb] Twinhan DVB-S & Bt878? Why?
Edgar Toernig
froese at gmx.de
Thu Feb 9 14:20:18 CET 2006
CR wrote:
>
> My understanding was that with DVB-T/DVB-S the video stream is sent as
> MPEG2 and the DVB card simply decodes it.
No, it's a so called 'budget card' which does no decoding. The MPEG2
stream is directly delivered to the driver and the applications.
> So, what is the bt878 used for? The PCI interface?
Exactly - just as a PCI DMA controller. But some cards make the
video capture facility of the Bt878 available i.e. by having an
additional [s-]video-in connector.
Ciao, ET.
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