I just thought to point out the subject, so that the other bttv authors may be aware of it. Marcus Ralph Metzler writes: > Holger Waechtler writes: > > Ralph Metzler wrote: > > > Am Dienstag, 21. Januar 2003 11:13 schrieb Ralph Metzler: > > > > > >>a.schinkel@xxxxxxxxxxxxx writes: > > >> > hi ppl! > > >> > > > >> > does one know if this one is supported? i don´t know which chipset is on it. > > >> > > > >> > http://www1.alternate.de/html/nodes_info/jk-w01.html > > >> > > >> > > >>No, the twinhan card is not supported. > > > > > > > > > > > > OK, at least the Linux drivers written by Twinhan seem to be > > > publically available now at http://www.usa-x.org/down/index.php > > > > > > But they are using their own API and are not open sourced (only some > > > applications which come with it). > > > Furthermore, a short disassembly and comparison of strings reveals > > > that at least some parts of the driver contain code from BTTV, the > > > Bt8x8 Linux driver. > > > > have you tried estimate how many work would be required to modifiy our > > driver for bt878-based cards to get the Twinhans working? > > > > Peter Hettkamp wrote this driver initialy for Pinnacle's PCTV cards a > > while ago and Florian Schirmer ported it to the 2.5 tree last weeks. He > > also added support for bt878 based Nebula DVB-T cards. > > > I don't know how long it would take. I haven't looked at that new bt878 > driver yet. > > Twinhan use a microcontroller on their card which controls the whole > frontend. A few months ago I was in contact with Twinhan (initiated by > somebody who wanted to pay us for writing a driver at that time). > They declined to give out any information on the proprietary protocol > they use to talk to the microcontroller. > Now that their Linux driver seems to be available publically I decided to take > a closer look and found the GPL violations I reported above. > > So, while they have a problem with giving out some information > on some bytes protocol they use to talk to the MC, they have no > problem to take code from GPLed projects and put it in their > binary drivers. > The protocol is not hard to reverse engineer. I also had a look > at that part of the binary. But I am not really inclined to support > a driver for their card anymore. > There are other cheap budget cards. The upcoming Flyvideo DVB card > e.g. is easy to support. Maybe there also is some really good > competition for the big TT cards very soon ... > > > Ralph > > > -- > Info: > To unsubscribe send a mail to listar@xxxxxxxxxxx with "unsubscribe linux-dvb" as subject. >
