On xvideo/xv: from the xfree86 mailing list archives: http://216.239.53.100/search?q=cache:Kz6HASana5wC:www.xfree86.org/pipermail/render/2000-August/000432.html Example code: http://www.cs.uni-potsdam.de/~wertmann/xv/testxv.c etc. Mark On Tue, 2002-11-26 at 17:37, Georgios Kapetanakis wrote: > > Yes because your data is 24 bpp but that routine handles 32 bpp (4 bytes > > per pixel). > > > > Maybe you could tell the driver to send 32 bpp data? > > Already did that :) I was talking about 32bpp, not 24. > > > >Also, Billy mentioned XVideo, but this is faaaar too advanced for me. In > my > > > > With Xvideo you would get a huge performance improvement, IF your card and > > X server supports it, especially in full screen mode. > > "xdpyinfo" gives me that the X server has the XVideo extension, but I don't > know how to use it. In fact, I only know its name, nothing else about it. > > > >far. I'm hoping eventually to move to the 16bit colourdepth, which will > > >halve that image size. > > > > Yes, this might help... > > I tried capturing 16bit (RGB555/RGB565), also modifying the buffer sizes, > etc., but I get again a black picture. Does the X display resolution have to > match the capturing colourdepth? At the moment, my display resolution is > 1280x1024@24bpp. > > /G > > > > -- > video4linux-list mailing list > Unsubscribe mailto:video4linux-list-request@xxxxxxxxxx?subject=unsubscribe > https://listman.redhat.com/mailman/listinfo/video4linux-list -- Mark Cooke <mpc@xxxxxxxxxxxxxxxxxx> University Of Birmingham
