[5/6] libcamera: controls: Define a new core Hue control
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Message ID 20251026233048.175689-6-kieran.bingham@ideasonboard.com
State New
Headers show
Series
  • libipa: Introduce a Quantized type
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Commit Message

Kieran Bingham Oct. 26, 2025, 11:30 p.m. UTC 
From: "van Veen, Stephan" <stephan.vanveen@karlstorz.com>

Define a new control to support configuration of Hue adjustments when
supported by the available platform.

Signed-off-by: van Veen, Stephan <stephan.vanveen@karlstorz.com>
[Kieran: Rework to define as a rotation in degrees]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/libcamera/control_ids_core.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch
diff mbox series 

diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml
index f781865859ac..4993da14b3f6 100644
--- a/src/libcamera/control_ids_core.yaml
+++ b/src/libcamera/control_ids_core.yaml
@@ -1346,4 +1346,17 @@  controls:
         reduces the WdrExposureValue until the amount of pixels that are close
         to saturation is lower than this value.
 
+  - Hue:
+      type: float
+      direction: inout
+      description: |
+        Adjusts the image hue (colour rotation) in degrees.
+
+        The value specifies a rotation around the colour wheel:
+        positive values rotate hues counter-clockwise (for example a +60 degree
+        rotation turns Red hues to Magenta hues), and negative values rotate
+        clockwise (a -60 degree rotation turns Red hues to Yellow hues).
+
+        A value of 0 leaves the hue unchanged.
+
 ...