Re: Re : Technotrend Budget S2-3200 Digital artefacts on HDchannels

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Manu wrote:
> Le 26.01.2009 13:50:24, Manu Abraham a écrit :
>> On Mon, Jan 26, 2009 at 8:19 PM, Alex Betis <alex.betis@xxxxxxxxx>
>> wrote:
>>
>>> Latest changes I can see at
>>>> http://mercurial.intuxication.org/hg/s2-liplianin/ were made about
>> 7
>>>> to 10 days ago. Is this correct? If that's correct, then I'm using
>>>> latest Igor drivers. And behavior described above is what I'm
>> getting.
>>>> I can't see anything related do high SR channels on Igor
>> repository.
>>> He did it few months ago. If you're on latest than you should have
>> it.
>>>
>>
>> It won't. All you will manage to do is burn your demodulator, if you
>> happen
>> to
>> be that lucky one, with that change. At least a few people have 
>> burned
>> demodulators by now, from what i do see.
> 
> Hmm OK, but is there by any chance a fix for those issues somewhere or 
> in the pipe at least? I am willing to test (as I already offered), I 
> can compile the drivers, spread printk or whatever else is needed to 
> get useful reports. Let me know if I can help sort this problem. BTW in 
> my case it is DVB-S2 30000 SR and FEC 5/6.

It was quite not appreciable on my part to provide a fix or reply in
time nor spend much time on it earlier, but that said i was quite
stuck up with some other things.

Can you please pull a copy of the multiproto tree
http://jusst.de/hg/multiproto or the v4l-dvb tree from
http://jusst.de/hg/v4l-dvb

and apply the following patch and comment what your result is ?
Before applying please do check whether you still have the issues.


BTW: lot of patience you have compared to the other users :)

Regards,
Manu

--- a/linux/drivers/media/dvb/frontends/stb0899_algo.c  Tue Jan 27 23:29:44 2009 +0400
+++ b/linux/drivers/media/dvb/frontends/stb0899_algo.c  Tue Jan 27 23:48:52 2009 +0400
@@ -1345,6 +1345,10 @@
                FecLockTime     = 20;   /* 20 ms max time to lock FEC, 20Mbs< SYMB <= 25Mbs             */
        }

+       /* give a factor of safety */
+       searchTime *= 3;
+       FecLockTime *= 3;
+
        /* Maintain Stream Merger in reset during acquisition   */
        reg = stb0899_read_reg(state, STB0899_TSTRES);
        STB0899_SETFIELD_VAL(FRESRS, reg, 1);

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