[linux-dvb] [PATCH] 8PSK/BPSK DVB-S/S2 support
mark.buechler at gmail.com
Thu Feb 23 00:16:10 CET 2006
A very good case could be made that the reason why no user space apps exist
is because they're no API to communicate with on the module side.
Such apps exist in the Windows world.
On 2/22/06, Manu Abraham <abraham.manu at gmail.com> wrote:
> Jake wrote:
> > Alan Nisota wrote:
> >> This is a trivial patch which adds capabilities for 8PSK (QPSK_8) and
> >> BPSK (QPSK_B) modes to frontend .h
> >> ...
> >> I am open to other suggestions.
> >> As the last of three patches, I'll include one which uses these changes
> >> support 8psk/bpsk on the genpix board, but I'd prefer to get feedback
> >> that the implementation I used here s the right strategy
> > What about DSS modulation support ?
> > Twinhan boards already support it and DST frontend setup need just one
> > bit changed to switch between QPSK and DSS mode ...
> The DSS "standard" is proprietary belonging to DIRECTV. Unlike DVB,
> documentation on the standard is not available.
> It is not just the single switch that matters. There will need to be API
> changes as well. And to top it up there aren't any userspace
> applications yet. The packet size is also different, 127 rather than 188.
> Someone has the specs .. ?
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> linux-dvb at linuxtv.org
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