On 06/24/2016 05:57 PM, Hans Verkuil wrote: > On 06/20/2016 09:10 PM, Laurent Pinchart wrote: >> The metadata buffer type is used to transfer metadata between userspace >> and kernelspace through a V4L2 buffers queue. It comes with a new >> metadata capture capability and format description. >> >> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > > I am willing to Ack this, provided Sakari and Guennadi Ack this as well. They know > more about metadata handling in various types of hardware than I do, so I feel > their Acks are important here. Actually, I would like to see more about how applications can associate frames with metadata (if such a correspondence exists). There was an irc discussion about that here: https://linuxtv.org/irc/irclogger_log/v4l?date=2016-06-24,Fri Guennadi's uvc patches may be useful as a testbed for figuring this out. Regards, Hans
