Hi Guennadi, (CC'ing Sakari) On Monday 28 Nov 2016 15:18:03 Guennadi Liakhovetski wrote: > Hi, > > Has anyone already considered supporting 3A (e.g. auto-exposure) Region of > Interest selection? In UVC this is the "Digital Region of Interest (ROI) > Control." Android defines ANDROID_CONTROL_AE_REGIONS, > ANDROID_CONTROL_AWB_REGIONS, ANDROID_CONTROL_AF_REGIONS. The UVC control > defines just a single rectangle for all (supported) 3A functions. That > could be implemented, defining a new selection target. However, Android > allows arbitrary numbers of ROI rectangles with associated weights. Any > ideas? Selections could be used, possibly with an update to the API to allow indexing selections for a given target. We'd be missing weights though. Another option would be to use compound controls. -- Regards, Laurent Pinchart -- 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