[linux-dvb] DiB3000MC rewritten and MT2060 is ready to go into main

matthieu castet castet.matthieu at free.fr
Thu Aug 17 21:23:36 CEST 2006


matthieu castet wrote:
> Hi Patrick,
> 
> Patrick Boettcher wrote:
> 
>> Hi,
>>
>> On Wed, 16 Aug 2006, matthieu castet wrote:
>>
>>>> I found a bug in the mt2060, the VGAG wasn't set to a correct level.
>>>>
>>>> Now I get the signal level from the old driver, but there still no
>>>> picture...
>>>>
>>>> The rate of the dvb stream reported by femon (from vdr is very low) 
>>>> : 0.5
>>>> Mb/s instead of 5 Mb/s.
>>>>
>>>
>>> Any news on that ?
>>
>>
>>
>> I have no idea what can cause this. What happens when you use just 
>> dvbscan + tzap + mplayer.
>>
>>
>>> The new driver is broken for me (no picture, no autosearch) while the 
>>> old
>>> driver was working.
>>
>>
>>
> thanks for your reply.
> 
>> Are you running on USB2.0?
> 
> No usb1.1
> 
> On usb2.0 it seems to work (but the configuration is a bit different).
> Is there a way to check if the usb bandwidht don't overflow because of 
> bad filtering ?
> 
> Using dvbtraffic shows that there no filtering on usb1.1 (I got more 
> than 800 pids) : that should be my problem :)
> 
> I saw that the video pid take lot's of bandwidht (that's normal), but 
> the pid 2000 takes also the same amount of bandwidht.
> Do you know what it is (from google it seems the transponder pid) and 
> why it is needed ?
> 
> When the video bandwidht is hight ( ~7 Mbps) I saw some artefacts, may 
> be it is because video pid + 0x2000 pids bandwidht > usb bandwidht.
It seems pid 0x2000 is the total under dvbtraffic...



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