On Mon, Feb 26, 2007 at 12:30:50PM +0100, Robert Millan [ackstorm] wrote:
> On Mon, Feb 26, 2007 at 12:03:00PM +0100, Diego Biurrun wrote:
> > > Why a lot of damage?  How many machines are too slow for software scaling?
> > 
> > I would guess about 80% of all the machines out there.  You know, not
> > everybody has a machine fast enough to run Beryl or can afford one.
> > 
> > All machines below 2GHz I would guess, this excludes every non-x86 right
> > away.  My last generation PowerBook is not fast enough, even for a video
> > of moderate size.
> > 
> > When the machine is too slow to scale the video, video and audio go out
> > of sync and the movie becomes unwatchable.
> > 
> > I would guess the number of people taking screenshots at all is in the
> > low one-digit percent of the users of MPlayer.  It's not unreasonable at
> > all to expect them to take appropriate measures.  The situation is the
> > same for all other multimedia players, btw.
> > 
> > Does this give you an idea how much damage such a change would do?
> 
> Yes.  I see your point here.  Reimar also made a good one.  I won't insist
> on having software scaling as default.

:)

> But then again we could try to fit well for users of powerful machines
> as well.  What do you think of my proposition of rearranging the template
> a bit (but still defaulting to accelerated mode) ?

I still think it's a bad idea.  In fact I think this template is a bad
idea to begin with.  MPlayer has been carefully tuned to choose the best
video output driver by default, setting a default vo overrides this.

> > > That's a workaround.  For plain screenshots it'd be enough to enable this
> > > workaround by default.
> > > 
> > > For Beryl, we would need another workaround, and presumably a more 
> > > complicated
> > > one.  We shouldn't assume that is even possible to do that sanely.
> > 
> > This is not a workaround, this is the only feasible solution.  Now would
> > you please try it?
> 
> That's not necessary, I believe when you say it works.  It doesn't work for
> Beryl though, or for $insert-new-weird-yet-to-be-found-stuff-here.

I doubt this is related to Beryl, try the following

  mplayer -vo xv -vf screenshot <moviefile>

Then press 's' a few times, you should get a message like

  sending VFCTRL_SCREENSHOT!
  *** screenshot 'shot0008.png' ***

and a PNG file with the screenshot in the current directory.

Diego


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