Andrea Venturi wrote: > here in Italy (bologna) we have a T-DMB trial from Rai and other > broadcasters. > > i got one Terratec Cinergy Piranha based on a Siano SMS1xxx chip and > indeed the T-DMB stream works on the "other OS".. (and the DVB-T works > too) > > this T-DMB stuff is still based on Transport Stream: > > http://en.wikipedia.org/wiki/Digital_Multimedia_Broadcast > > as i'd like to dump a full TS of the stream, i was thinking that it was > just setting the proper mode (2) in the sms1xxx module, i would have > been able to use the same "dvb-tools" like dvbstream to tune the right > frequency and dump the whole TS. > > too easy, it seems! there were my steps: > > 1. i put the firmware file for T-DMB demodulation with the right name > "tdmb_stellar_usb.inp" in /lib/firmware > > 2. i loaded the module with the supposed right default mode: modprobe > sms1xxx default_mode=2 > > 3. i put my stick on the linux, but the module didn't got up with this > error: > > "SMS Device mode is not set for DVB operation." > > I'm halted. > > The showstopper come from this smsdvb.c where there's this control: > > ==================== > if (smscore_get_devicke_mode(coredev) != 4) { > #if 1 /* new siano drop (1.2.17) does this -- yuck */ > sms_err("SMS Device mode is not set for " > "DVB operation."); > return 0; > #else > ==================== > > of course, this seems only a safety check. > > let's hope it's not just a "marketing" showstopper (i'm going anyway to > try to relax this control, i bet i'm not going to burn anything inside > the device!) > > probably there's more to be implemented to driver correctly the Siano > chip when not in DVB mode. but how much? ask here could be useful.. > > it should be easy to "implement" the T-DMB stuff inside the same DVB > scenario! > it's already a system based on transport stream. right? > > sadly there are no open specs about it on the siano web site, just this > brief: > > http://www.*siano-ms*.com/*pdf*s/00_Siano_SMS*1010*.*pd*f > > does anyone know a solution about this issue? > > is it so though to implement T-DMB decoding inside the DVB architecture? > > are the specs available somewhere? I am working with Siano to expose all functionality of the silicon through the linux-dvb api. We didn't get up to T-DMB yet. Give a few months and there should be better info to report. Regards, Mike _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
