On Wednesday, March 09, 2011 21:58:15 Laurent Pinchart wrote: > Hi Hans, > > On Wednesday 09 March 2011 08:47:01 Hans Verkuil wrote: > > On Wednesday, March 09, 2011 08:08:43 Jaeryul Oh wrote: > > > Hi, Hans > > > > > > We want to confirm if it is possible to discuss our concerning points > > > at each item of 1st draft that you made as below. > > > > > > Our concerning items that we want to discuss are : > > > > > > 1. Issues when using V4l2 control framework with codec > > > > > > : http://www.spinics.net/lists/linux-media/msg27975.html > > > : Can we discuss 'V4l2 control framework to support codec' in your > > > : first > > > > > > agenda ? > > > > > > (Compressed format API for MPEG, H.264, etc. xxx) > > > > > > : We will post related contents in mailing list before joining Warsaw > > > > > > meeting. > > > > Certainly. If I am not mistaken the required control framework changes you > > refer to in the supplied link are actually done in Laurent's media > > controller/OMAP3 patch series, so these should appear any day now. > > Im' afraid it's not there yet. The OMAP3 ISP code that requires this feature > isn't ready yet, we're still working on it. > > I've got two patches that implement control handlers at the file handler level > for subdevs. I'll send them to the list (as RFC) to be used as a starting > point for control handler support at the v4l2_fh level. > > I did some work on this as well yesterday: http://git.linuxtv.org/hverkuil/media_tree.git?a=shortlog;h=refs/heads/ctrl-event See patch "v4l2-ioctl: add ctrl_handler to v4l2_fh" I needed this for my work on control-change events. That patch should do what you need provided your code uses struct v4l2_fh for each open file handle. Regards, Hans -- Hans Verkuil - video4linux developer - sponsored by Cisco -- 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
