[vdr] [PATCH] time warp

Rainer Zocholl UseNet-Posting-Nospam-74308- at zocki.toppoint.de
Thu Jun 23 20:12:00 CEST 2005


s.huelswitt at gmx.de(Stefan Huelswitt)  23.06.05 15:55

Once upon a time "Stefan Huelswitt " shaped the electrons to say...

>On 23 Jun 2005 Rainer Zocholl <UseNet-Posting-Nospam-74308- at zocki.topp
>> oint.de> wrote: s.huelswitt at gmx.de(Stefan Huelswitt)  22.06.05 15:11
>>
>>>If CRC checking is enabled on dmx-filter setup
>>>(dmx_sct_filter_params.flags |= DMX_CKECK_CRC),
>>>the driver does it for you.
>>
>> And what happens with the data if it fails?
>> Is it decarded or just "tagged" to be invalid?

>AFAIK it's discarded by the driver.

Then a wrong time would never reach VDR.


>>>VDR doesn't enables the check.
>>
>> Ah, that explains easily the "garbage" in "time", or?
>> Does that explain the "unknown picture type" problem too?

>AFAIK CRC checking only applies to section data and 
>not to PES data.


>>>This would be difficult,
>>>as not all tables are CRC protected.
>>
>> VDR knows which tables are CRC protected, or not?

>I think this can easily be tested out (if not documented
>somewhere in the DVB specs), but VDRs filter API would
>have to be extended to support CRC selection.

qwww...;.(

Thanks anyway!
Rainer---<=====>                         Vertraulich
             //
           //                              
         <=====>--------------ocholl, Kiel, Germany ------------




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