[mythtv] Latest cvs - atscstreamdata.cpp - PSIP packet failed CRC check

Doug Larrick doug at ties.org
Thu Dec 30 11:26:26 UTC 2004


Eric Anderson wrote:
> Okay, so I don't claim to know much about PSIP, but from the comments,
> 0xCC is ETT (extended text table). And from looking at the code, we're not
> doing anything with ETT anyway (ie, DECODE_ETT = 0). So what to do?
> Perhaps the CRC computation for ETT packets is different?

CRC computation is the same for all the packet types.  There's a 
different implementation of CRC in my psipguide testbed program, 
http://jekyl.no-ip.org/doug/psipguide.C ; download & compile this and 
try it on your errant stream to give us a different datapoint.

-Doug
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