[mythtv-users] Fast forward/rewind on aspect ratio change

[Michael T. Dean]

On 07/02/2011 06:12 PM, Tom Wright wrote:
> I've noticed this for a while but have only just thought to ask about 
> it on the list: I have a few recordings of old programmes which are 
> 4:3 aspect ratio, but the adverts are 16:9. Usually I'd just spin 
> through the adverts with the fast forward button, but when it goes 
> over a change in aspect ratio (in either direction), the fast-forward 
> rate speeds up massively, so by the time I hit "Play", it's a few 
> minutes into the next bit of the programme. If I rewind past the start 
> of that bit (and so back into the 16:9 adverts), the rewind rate goes 
> sky high as well, and I miss it again. I can get there with the 
> jump/skip forward/backward keys, but does anyone know why fast forward 
> and rewind go crazy when the aspect ratio changes?

Just a guess, but perhaps there's a change of frame rate--like from 
60fps during your 4:3 show to 24fps during the 16:9 commercials, and 
mythfrontend may not be accounting for it during ffwd/rwnd?

Mike