[libcamera-devel,v5,11/14] ipa: ipu3: Send color temperature in the metadata
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Message ID 20211113084947.21892-12-jeanmichel.hautbois@ideasonboard.com
State Accepted
Headers show
Series
  • IPA: IPU3: Introduce per-frame controls
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Commit Message

Jean-Michel Hautbois Nov. 13, 2021, 8:49 a.m. UTC 
Now that the color temperature is updated per-frame, use the value and
set the corresponding controls::ColourTemperature.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
---
 src/ipa/ipu3/ipu3.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

Patch
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diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index 38e86e58..d3195de6 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -631,6 +631,16 @@  void IPAIPU3::parseStatistics(unsigned int frame,
 				(sensorInfo_.pixelRate / 1e6);
 	ctrls.set(controls::FrameDuration, frameDuration);
 
+	ctrls.set(controls::ColourTemperature, context_.frameContext.awb.temperatureK);
+
+	/*
+	 * \todo The Metadata provides a path to getting extended data
+	 * out to the application. Further data such as a simplifed Histogram
+	 * might have value to be exposed, however such data may be
+	 * difficult to report in a generically parsable way and we
+	 * likely want to avoid putting platform specific metadata in.
+	 */
+
 	IPU3Action op;
 	op.op = ActionMetadataReady;
 	op.controls = ctrls;