[mythtv-users] PVR-150/300/500 HVR-1600 commflag workaround

[faginbagin]

On 11/2/2014 4:24 PM, faginbagin wrote:
> I think I know why commflagging isn't working on recordings made using these analog tuners. And I have a workaround. If, when you run the mythcommflag command from the command line, you get a lot of errors like this:
> 2014-11-02 16:09:46.253190 E  decoding error
>                          eno: Unknown error 541478725 (541478725)
> it's probably because you've got a bad record in the recordedseek table for that recording, something like this:
> chanid  starttime   mark    offset  type
> 2005    2014-11-02 07:00:00 0   4294967146  9
> 
> It's supposed to be the offset of the first frame (mark=0) and should be a very small number. I haven't figured out where this bogus offset comes from, but you should be able to work around it by rebuilding the seek table for each affected recording. For example:
> 
> mythcommflag --file <storage-directory>/filename.mpg --rebuild
> 
> Once you've done that, commercial flagging should work, and should work better with my patches from:
> https://code.mythtv.org/trac/ticket/12308
> 
> I'm now going to hunt down where that bogus offset comes from, but a fix probably won't help existing recordings. You'll need to rebuild the seek table for those.
> 
> HTH,
> Helen

I found the root cause. It was a conversion from a 32 bit unsigned integer to a 64 bit signed integer that caused the bogus recordedseek record. The ticket:
https://code.mythtv.org/trac/ticket/12313
has a patch that will prevent it from happening to future recordings.

Helen