[linux-dvb] Re: Twinhan troubles

[Måns Rullgård <mru@pronto.tv>]

Brad Campbell <brad@wasp.net.au> writes:

> Måns Rullgård wrote:
>> The producer TwinHan claims that the card is supported by linux, so
>> I bought
>>>this card.
>> The red card is supported by drivers in Linux 2.6, except the
>> conditional access module.  Twinhan have binary drivers for Linux
>> 2.4, but they don't implement the standard API, so few programs are
>> likely to work well.  Many programs might work in a limited way if
>> you first tune the card using their example programs.
>>
>
> I'm afraid no standard linux dvb apps will work at all with the
> standard twinhan drivers.

They won't.  What is possible is to tune the card to the desired
channel and read the TS from the device with any program.

> Data transfer with the twinhan drivers is done with a very large
> buffer and special ioctls, plus the non-ci card generate a standard
> 188byte packet TS while the -CI cards generate a 206(? it's been a
> while since I had my head in there) byte packet that needs to me
> slightly truncated before decoding the TS.

204, it's got something to do with error correction.

-- 
Måns Rullgård
mru@pronto.tv



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