[MPlayer-users] Erroneous Aspect Ratio detection on DVDs with Pan&Scan Feature
nsabbi at email.it
Thu Mar 29 18:17:02 CEST 2007
Alexander Roalter wrote:
> 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
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
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