[PATCH] time warp

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 23 Jun 2005 Rainer Zocholl <UseNet-Posting-Nospam-74308-@xxxxxxxxxxxxxxxxx> wrote:
> s.huelswitt@xxxxxx(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.

>>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.

Regards.

-- 
Stefan Huelswitt
s.huelswitt@xxxxxx  | http://www.muempf.de/


[Index of Archives]     [Linux Media]     [Asterisk]     [DCCP]     [Netdev]     [Xorg]     [Util Linux NG]     [Xfree86]     [Big List of Linux Books]     [Fedora Users]     [Fedora Women]     [ALSA Devel]     [Linux USB]

  Powered by Linux