s.huelswitt@xxxxxx(Stefan Huelswitt) 22.06.05 15:11 >On 22 Jun 2005 Rainer Zocholl <UseNet-Posting-Nospam-74308-@xxxxxxxxxx >>>Klaus Schmidinger wrote: >>>> Isn't all that data protected by CRC32 checksums? >>>> How could "garbage" get in there? >>>> Maybe somebody should try to find out why that "garbage" >>>> is produced in the first place... >> >>>I've seen this - though at least one year ago - with bad reception >>>due to bad weather. For half an hour, the system time was jumping >>>back and forward like crazy, starting and stopping some timers. >>>Luckily, all timers were repeating, so none of them was gone after >>>reception was back. >> >> So: Who is doing the CRC checks? >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? >VDR doesn't enables the check. Ah, that explains easily the "garbage" in "time", or? Does that explain the "unknown picture type" problem too? >This would be difficult, >as not all tables are CRC protected. VDR knows which tables are CRC protected, or not? Rainer
