[MPlayer-users] Panscan.

Jakub Turski yacoob at chruptak.plukwa.net
Tue Apr 23 23:56:35 CEST 2002


I was wondering, if we could achieve panscan feature with current mplay­
er (and its vo plugins).

 The  idea  of panscan is simple: we have a 16:9 movie to watch. When we
watch it on 4:3 screen, there are black bars - above and below. Not  go­
od.  We  can  rescale the whole movie, but then it looses aspect. So why
won't we do it like this: resize vertically, to fill  the  screen,  thus
deleting the black bars, and then cut a bit from the left and right size
­ and center on the full screen. In this way, we get a nice aspected mo­
vie, a bit crippled though ;)

 So then - how, and if can we do it in mplayer?

 I  think one can fiddle with proper -vop, but the drawback is, you have
to recalculate the values for it for yourself.

 I've  spoken  with Mark Zealey on the OPN network, and he told me, that
it can be implemented in tdfxfb's driver with only a few lines  of  code
added IF panscan was implemented as an extern variable or passed to con­
fig()

 I'm  no programmer, but I hope that I can start a dispute about it, and
some smart developer (/me winks at Mark ;) will implement it ;>

Best regards,

Q.
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