On Tue, 22 Jan 2002, Andrea Oddera wrote: > > > Hi, > I'm trying to use the bttv 0.8.x driver in order to acquire frames from > a bt878 framegrabber. > Before I was using the bttv2 driver from bttv-v4l2.sourceforge.net and > the videodevX module. > I'm aquiring images using the mmap function, in this way (this is an > exaple.... my code is similar) Gerd's 0.8 driver requires that you open the video device read/write, and that you need to do the mmap with PROT_READ|PROT_WRITE Steve