[MPlayer-users] Erroneous Aspect Ratio detection on DVDs with Pan&Scan Feature

[Nico Sabbi]

Alexander Roalter wrote:

> Hello,
> another issue which I came across and has never been addressed on this 
> list will be presented in this posting:
>
> It's about DVDs which have a Pan&Scan flag. Such a flag should in 
> theory tell the player how to zoom into a video (given the case the 
> DVD player is set to P&S instead of 4:3LB or 16:9), which should also 
> include the possibility to PAN around (not simple zoom), but in all 
> cases I've encountered so far does only zoom in (as with pressing the 
> 'e'-Key in mplayer until the picture is full frame).
>
> I've had this with older James Bond DVDs and recently on my Raging 
> Bull Ultimate Gold Edition (German Version). This should be 
> practically identical to the british Raging Bull Cinema Reserve or MGM 
> Ultimate Edition.
>
> Problem is: Although these DVDs are encoded anamorphic, mplayer thinks 
> they're not and shows a stretched picture. Adding -aspect 16:9 helps, 
> but this should be done automatically, as the correct aspect ratio is 
> misdetected.


I agree, IMO lavc treats incorrectly this kind information.
I guess it should leave DAR and SAR unchanged and export in AVPanScan 
the WxY set in the
sequence_extension.

 
 
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