Bug#699394: gnome-mplayer: [Ctrl+T] fails to take screenshot

[Francesco Poli]

On Tue, 5 Feb 2013 01:14:03 +0100 Sebastian Ramacher wrote:

> On 2013-02-04 23:34:51, Francesco Poli wrote:
> > On Sun, 3 Feb 2013 21:27:06 +0100 Sebastian Ramacher wrote:
[...]
> > > If the setting is blank, the default output is used. Since you have
> > > manually set it to xv in your mplayer config, it's using xv here.
> > 
> > OK, but why did gnome-mplayer fail to pass the correct flags to enable
> > screenshots in mplayer?
> > 
> > By looking at the mplayer man page, I seem to understand that the
> > correct flag is just:
> > 
> >   -vf screenshot
> 
> Well, it's not true for all vos. To the best of my knowledge, the screenshot
> video filter and vdpau don't work well together, since mplayer never sees the
> final image.

If this is the case, then I begin to understand why the "-vf
screenshot" flag is not passed to mplayer unconditionally...

> (That information might be outdated, so please correct me if I'm
> wrong.)

I cannot actually use the vdpau VO, hence I cannot verify.

[...]
> > > I guess this is one of the vos upstream mentioned, that don't support
> > > screenshots.
> > 
> > This does not seem to be the case: when I explicitly ask for gl, I am
> > able to take screenshots (without the vf=screenshot setting in
> > ~/.mplayer/config).
> 
> Let's put it this way: since vdpau is selected -vf screenshot is not passed to
> mplayer. Your hardware doesn't support vdpau, so the fallback gl is used.
> However, with gl you need -vf screenshot.

Ah, that seems to make sense, yes.
Thanks for clarifying.


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