[linux-dvb] Re: A few frontend implementation questions

[Holger Waechtler <holger@convergence.de>]

Andrew de Quincey wrote:
> 1) What units shoud FE_READ_SNR return? Are there any, or should it just be 
> 0xffff is REALLY GOOD and 0 is REALLY BAD.
a lot frontends don't provide a real measure, so 0xffff is REALLY GOOD 
and 0 is REALLY BAD.
:)

> 2) Same goes for FE_READ_SIGNAL_STRENGTH?
yes

> 3) FE_READ_BER. Is this the BER before VITERBI, or after?
yes, and every FE_READ_BER ioctl should reset the counter so that the 
application receives the absolute number of bit errors between two ioctl 
calls.

Holger



--
Info:
To unsubscribe send a mail to ecartis@linuxtv.org with "unsubscribe linux-dvb" as subject.