[MPlayer-users] Aspect ratio auto-detection for vf=crop, expand=:::::n

[Jakob Sternberg]

did you try

vf expand=::::1:16/9
I personally use this for keeping a 16/9 output from PS3MediaServer to Sony
Bravia W5500 TV
:: -vf softskip,expand=::::1:16/9,harddup

Cheers
Jakob Sternberg

2011/3/15 Roman Polach <r0polach at gmail.com>

> Hi,
> I am using "vf=crop,expand=:::::4/3" config line for a long time
> to insert subtitles in the bottom black strip, when playing wide-screen
> video on non-wide screen.
> It's advantage is that no black strips are added if video is not
> wide-screen
> and black strips have
> height exactly correct for filling the screen and preserving video file
> aspect ratio no matter what
> height / width / ratio the video file was...
> It was great solution until I started to switch 4/3 display and 16/9 TV
> output regularly.
> Now I have two configs (one with "vf=crop,expand=:::::4/3" and other with
> "vf=crop,expand=:::::16/9")
> that I am switching every time before launching mplayer.
> So I want to ask:
> Is it possible to set up some auto-detection of screen aspect ratio for use
> in .mplayer/config?
> (for the best without need of making shell alias or scripts - that would
> loose the beauty..)
> And if not, can be this feature add to mplayer? Something like
> "vf=crop,expand=:::::-1"?
>
> Thanks,
> Roman Polach
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