Hi Andreas, On Sat, Nov 10, 2012 at 02:49:12PM +0100, Andreas Nagel wrote: > Sakari Ailus schrieb am 08.11.2012 10:29: > >On Thu, Nov 08, 2012 at 10:26:11AM +0100, Laurent Pinchart wrote: > >>media-ctl doesn't show pad formats, that's a bit weird. Are you using a recent > >>version ? > >This could as well be an issue with the kernel API --- I think that kernel > >has a version which isn't in mainline. So the IOCTL used to access the media > >bus formats are quite possibly different. > > > >Regards, > > > > Hi Sakari, > hi Laurent, > > > first, I could resolve my issues. > > When I allocated buffers with the CMEM library from TI (provides > aligned and contiguous memory buffers), I was able to use user > pointers. And VIDIOC_STREAMON just failed because of a wrong but > similar written pixelformat. Since yesterday, I am now able to > capture frames and save them as YUV data in a file. Good to hear you got this resolved. Whether the memory is contiguous shouldn't matter. The ISP has got an MMU. malloc() typically allocated only page aligned buffer (AFAIR) but to be really sure, one can also use posix_memalign for the purpose. Kind regards, -- Sakari Ailus e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
