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| author | Naushir Patuck <naush@raspberrypi.com> | 2020-06-26 11:25:28 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-07-06 17:02:32 +0300 |
| commit | c905870cd0f1d6c1af048669ea744bc1de8062de (patch) | |
| tree | 0d053da96288c6ead63ec5eec893927925ac0c11 | |
| parent | a83d6ac90170686a2d2669616cd96d4e45ba70f2 (diff) | |
libcamera: controls: Add focus Figure of Merit (FoM) control
Provide a control to allow the IPA to return a FoM to indicate how
in-focus a scene is. Note, this is not to be used as a means to
implement a focus algorithm by the application, rather an indication of
how in-focus a scene is.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| -rw-r--r-- | src/libcamera/control_ids.yaml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libcamera/control_ids.yaml b/src/libcamera/control_ids.yaml index 8c3e4c72..988b5016 100644 --- a/src/libcamera/control_ids.yaml +++ b/src/libcamera/control_ids.yaml @@ -251,4 +251,15 @@ controls: higher than anyone could reasonably want. Negative values are not allowed. Note also that sharpening is not applied to raw streams. + + - FocusFoM: + type: int32_t + description: | + Reports a Figure of Merit (FoM) to indicate how in-focus the frame is. + A larger FocusFoM value indicates a more in-focus frame. This control + depends on the IPA to gather ISP statistics from the defined focus + region, and combine them in a suitable way to generate a FocusFoM value. + In this respect, it is not necessarily aimed at providing a way to + implement a focus algorithm by the application, rather an indication of + how in-focus a frame is. ... |