[MPlayer-users] AutoDetect aspect ratio

[David Thatcher]

Reimar,

-monitoraspect does the job. Whatever resolution I'm at, I can just set
-monitoraspect to the aspect ratio of the video, and it fills the screen.
For example, playing a 16:9 video on a 1024x768 screen with the following
command makes it fill the screen:
mplayer -monitoraspect 16:9 video.mpg

It would be nice to have an option like -fillaspect that would
automatically set the monitoraspect to whatever aspect ratio is either 1)
given by the video, or 2) whatever aspect ratio can be assumed from the
dimensions of the video. I want to avoid invoking a special driver like
what would happen using -vo gl.

Thanks,
David

On Thu, Nov 27, 2014 at 11:27 AM, Reimar Döffinger <Reimar.Doeffinger at gmx.de
> wrote:

> On 25.11.2014, at 20:10, David Thatcher <dthatcher7 at gmail.com> wrote:
>
> > Greetings,
> >
> > I created an Xubuntu image that launches MPlayer to play a video on
> > startup. I went to deploy it and the screen resolution was 4:3, so the
> wide
> > aspect video displayed with black bars at the top and bottom. I was able
> to
> > solve this by setting -aspect 4:3 in the mplayer options. The question
> is,
> > I am going to be deploying to a variety of different screens and I want
> > MPlayer to force whatever aspect ratio is represented by whatever screen
> > resolution is currently set. If I leave -aspect 4:3 on a wide screen, I
> get
> > black bars on the side. I am very much trying to avoid editing the launch
> > script on each machine.
> > Or... given that what I am going after is for MPlayer to run the video in
> > such a way as to not leave the black bars regardless of screen
> resolution,
> > is there a better command line option to use?
>
> This sounds like it will look rather horrible...
> But if you really want to do this, the easier option is to just override
> the monitor aspect (I think the option is called -monitor-aspect) to match
> the video one.
> Worst case specify both.
> In addition e.g. -vo gl has an option to just disable aspect scaling as an
> alternative.
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