xv overlay - cinema mode

Wesley S. profox at ubuntu-nl.org
Thu Mar 22 09:41:33 PDT 2007

2007/3/22, Alex Deucher <alexdeucher at gmail.com>:
> On 3/22/07, Wesley S. <profox at ubuntu-nl.org> wrote:
> > This question has been running around in my head for months now.
> >
> > Is it possible to use xv overlay to play a movie fullscreen on my TV,
> but
> > windowed on my computer? (or even minimized on my computer)
> > [...]
> >
> Just set up dualhead and play the video on one head while you work on
> the other.  That's all the "cinema" mode does I suspect.
> Alex

Thanks for your answer, Alex. But unfortunately this is not what I am
looking for.
It's a workaround, but not a real solution for me.

I have already set up dualhead as a workaround, but it is not what I am
looking for.

However, I have done some more research and it seems to be that only ATI and
NVidia cards support this kind of thing. ATI calls it "Theatre Mode" and
NVidia calls it "Video Mirroring"

Come to think of it. I used to have another laptop with an ATI card in it,
and I was using "Theatre Mode". So this Theatre Mode/Video Mirroring thing
might also be impossible to do in Windows with this Intel card. Too bad.

I still have the ATI laptop (radeon 7500) but I can't even get proper TV-out
to work on linux, so let alone configure it for some sort of Theatre Mode.
If someone knows if this is possible with the open source linux drivers
(tv-out + theatre mode) please let me know. Also let me know if someone can
get it to work with the proprietary fglrx driver, because I have a laptop
with that one lying around too (and TV-out works there, but I can't get a
"Theatre Mode" to run in linux)

Last but not least, I have an NVidia (Geforce 3 ti 200) pc, I am not using
it for TV-out (although it has a TV-out connector) but if someone is able to
get Theatre Mode (Video Mirroring) to work on it, I might use that computer.
(I haven't tried TV-out yet on that pc though, so I'm not even sure if that

I am pretty sure that I won't have much chance of finding this functionality
in linux, because I have already looked everywhere, and I found it nowhere.
So this is sort of my last try. But hey, if it doesn't work, I'll just keep
using the dualhead option. It's not as nice as theatre mode, but it's

All this stuff brings me to a new question though. How hard would it be to
do this through software? Wouldn't the computer be able to copy the contents
of a playing video on screen 1 to screen 2? I suppose the hardest part is
keeping it working even when the video is minimized. I guess I am dreaming

Thanks anyway. I appreciate your time and effort, Alex.
I'll just keep working with a dualhead setup for now.

Wesley Stessens <profox at ubuntu-nl.org>
Human Knowledge Belongs To The World - Antitrust (2001)
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