Michel Lanners ([EMAIL PROTECTED]): > On 23 Jul, this message from Guido Fiala echoed through cyberspace: > >> moving YUV across the bus, but it should use no CPU. > > > > Yes, so i thought. But that would mean, that the XServer loads it's > > data directly from the v4l device itself (mmap-io or direct write > > into AGP-memory?) The latter should work if the ximage is a > > contigous array in AGP memory only. > > No, it's the video input hardware that pushes the data with DMA to an > off-screen VRAM memory area, and the graphic chip then copies and > color-converts on the fly to the visible window.
Wouldn't it be great if they were actually in sync so they wouldn't tear, or so that we could handled interlaced streams better. The v4l-module architecture needs to be reworked. -- Billy Biggs [EMAIL PROTECTED] _______________________________________________ Xpert mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xpert
