A correct V4L2 driver will timestamp the data buffers so you can
correlate the data from the two streams.

Billy Biggs wrote:
> 
>   In v4l, there seems to be no way to correlate the VBI data I get from
> /dev/vbi to the video images I'm capturing.  This makes my timecode
> decoder I just wrote a little less than useful. ;-)
> 
>   What should I do?  Does v4l2 solve this?  Are there any problems with
> using v4l2?



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