On 10.11.2011 13:05, Mauro Carvalho Chehab wrote: > Em 10-11-2011 05:08, Rémi Denis-Courmont escreveu: >> For frequency, we also need a unit, since it depends on the >> delivery system. > > The spec says: > DTV_FREQUENCY > > Central frequency of the channel, in HZ. > > So, the unit should be Hz. If is there any place where something different is > used, we should fix it to match what's specified there. For DVB-S, the unit is and has always been kHz. The spec is wrong. >> 5) Unless/Until the library implements scanning and some kind of channel >> or transponder abstraction (e.g. unique ID per transponder), it is dubious >> that it can really abstract new delivery systems. I mean, the tuning >> parameters need to come from somewhere, so the application will have to >> know about the delivery systems. > > Sure. This is the next item on my TODO list ;) Make sure to generate globally unique IDs. Even though onid + tsid + sid *should* identify a DVB service, in reality they don't. There are many duplicates, especially with - but not limited to - reception of multiple satellites. Regards, Andreas -- 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