[mythtv-users] Recording Playback Length

Michael T. Dean mtdean at thirdcontact.com
Fri Feb 4 18:09:02 UTC 2011

  On 02/04/2011 11:34 AM, john.baab wrote:
>> It has to do with variable frame rates and repeat pictures and the fact that
>> MythTV currently just uses a quick approximation to get the total length of
>> the recording.
> 17% difference seems awful high, should I be concerned about a greater
> issue going on behind the scenes?  A quick look at some different
> recordings, seems that the gap is larger for some of my HDHR
> recordings than my HDPVR recordings.

No.  It's just what I mentioned.  I see similar on my recordings, and 
it's becoming far more common among broadcast video as networks gain 
experience with/add ever-more-complex encoding.  Some developers are 
working on improving our calculation to account for these encodings.


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