Em 14-11-2011 16:30, Manu Abraham escreveu: > On Mon, Nov 14, 2011 at 11:38 PM, Mauro Carvalho Chehab > <mchehab@xxxxxxxxxx> wrote: >> Yet, this doesn't require any changes at DVB API, as all that the demodulator >> need to know is the sub-carrier parameters (frequency, roll-off, symbol >> rate, etc). > > You do: this is why there were changes to the V3 API to accomodate > DVB-S2, which eventually became V5. The major change that underwent is > the addition of newer modulations. The demodulator need to be > explicitly told of the modulation. With some demodulators, the > modulation order could be detected from the PL signaling, rather than > the user space application telling it. DVB-S2 doesn't require DVB bandwidth to be specified. Regards, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
