On Fre, 2011-04-08 at 17:07 -0400, Daniel Kahn Gillmor wrote: > > On 04/08/2011 07:26 AM, Michel Dänzer wrote: > > This is probably due to using the XVideo overlay adaptor. The display > > hardware can only display the video overlay on one CRTC at a time. You > > can choose which CRTC to display it on via the XV_CRTC XVideo attribute, > > or at least some applications allow using the textured video adaptor > > (which doesn't have this restriction) via the adaptor/port number as > > shown by xvinfo. > > Thanks for this info! Attached is the output of xvinfo when external > monitor is plugged in.
Monitor hotplugging doesn't change what's shown by xvinfo. > It appears that both overlay and textured video are supported, though > overlay is listed first. (on my EeePC900 with an intel chipset, > textured is listed first) The radeon driver should probably switch the order as well, so most apps will use the textured adaptor by default. > I note that VLC allows me to turn off video overlay support entirely > (Tools > Preferences > Video > "Accelerated video output (Overlay)". > Unchecking that box lets me render the video on both monitors concurrently. > > I don't see how to do the same thing in totem, though. > > Hm, actually, when i *re-checked* that box in vlc i can still play the > video on both screens somehow. VLC can't exceed the hardware limitations. If it plays the video on both outputs, it's not using the overlay adaptor. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1302511387.24704.246.camel@thor.local
