[mythtv-users] DVD playback of commercial DVDs

Jason Chambers lists at purplish-monkey.com
Sun Apr 18 08:26:04 UTC 2010

On 18/04/2010 08:58, Johannes Köster wrote:
> DVD playback with the current 0.23-fixes branch seems to be broken. When
> playing a DVD with menus, Mythtv in some cases fails to display the menu
> correctly (parts are missing on commercial DVDs). Also after selecting a
> menu item, the playback hangs either infinitly or Mythtv says that
> playback failed due to too many dropped frames. Can someone confirm this
> behaviour? The DVDs are ok because the could be played before on the
> same system with an version of 0.23-fixes.

I noticed this problem last night but it only seems to affect some DVDs,
whilst others play fine and I haven't been able to detect any obvious

I get loads (i.e. ~2500 in 30 seconds) of these messages whilst it hangs:

2010-04-17 23:52:10.128 AFD Error: Unknown decoding error
2010-04-17 23:52:10.205 [mpeg2video @ 0x7fb470c83300]get_buffer() failed
(stride changed)

So far I've traced it to changset [24115] (for #8326).  If I back out
this change I can successfully play the DVDs in the latest 0.23-fixes

I was just going to test it on another frontend first to confirm it
wasn't something unique to my machine but as I don't seem to be the only
one noticing this I'll update the bug with my logs.


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