On Tuesday 15 February 2005 02:44 pm, Brian J. Murrell wrote: > On Tue, 2005-02-15 at 14:35 -0500, Cory Papenfuss wrote: > > Isn't that what VSYNC is supposed to be for? > > Exactly. The G400 (probably others) is able to interrupt on the vsync > pulse allowing the driver and software above it to know when the vsync > has happened and thus when to load the next frame into video memory > (frame flip). > > But AFAIK, X11 does not support vsyncing. There is no way for an X11 > application to know when the vsync pulse has hit so it can't really know > when to frame flip. > > Also the video hardware has to be able to encode to TV-Out in an > interlaced overscanned mode. I have only seen the G400 able to do this > properly with DirectFB's help. matroxset and X11 and the framebuffer > don't do it properly.
Guess I'll have to remove the vsync code from the Xv/XvMC output at well. Isaac _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
