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authorDavid Plowman <david.plowman@raspberrypi.com>2023-12-06 10:38:39 +0000
committerKieran Bingham <kieran.bingham@ideasonboard.com>2024-01-09 15:39:02 +0000
commitcfb4bee74b6dce3e9c44d3b8dedcd3ffcc11b32b (patch)
treeaf939135c7ae08d63bdd00b6e32aa24b38c28fdb /src/ipa/rpi
parent8892d937c55ce2d62a5b0ee24c2b23b64366e73c (diff)
ipa: rpi: awb: Add an initialValues method
This allows the IPA to get reasonable default colour gains before AWB has run. This is particularly important on the PiSP platform where these numbers are helpful in programming the Front End statistics block in advance. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/ipa/rpi')
-rw-r--r--src/ipa/rpi/controller/awb_algorithm.h1
-rw-r--r--src/ipa/rpi/controller/rpi/awb.cpp6
-rw-r--r--src/ipa/rpi/controller/rpi/awb.h1
3 files changed, 8 insertions, 0 deletions
diff --git a/src/ipa/rpi/controller/awb_algorithm.h b/src/ipa/rpi/controller/awb_algorithm.h
index 8462c4db..6009bdac 100644
--- a/src/ipa/rpi/controller/awb_algorithm.h
+++ b/src/ipa/rpi/controller/awb_algorithm.h
@@ -16,6 +16,7 @@ public:
AwbAlgorithm(Controller *controller) : Algorithm(controller) {}
/* An AWB algorithm must provide the following: */
virtual unsigned int getConvergenceFrames() const = 0;
+ virtual void initialValues(double &gainR, double &gainB) = 0;
virtual void setMode(std::string const &modeName) = 0;
virtual void setManualGains(double manualR, double manualB) = 0;
virtual void enableAuto() = 0;
diff --git a/src/ipa/rpi/controller/rpi/awb.cpp b/src/ipa/rpi/controller/rpi/awb.cpp
index 5ae0c2fa..dde5785a 100644
--- a/src/ipa/rpi/controller/rpi/awb.cpp
+++ b/src/ipa/rpi/controller/rpi/awb.cpp
@@ -220,6 +220,12 @@ void Awb::initialise()
asyncResults_ = syncResults_;
}
+void Awb::initialValues(double &gainR, double &gainB)
+{
+ gainR = syncResults_.gainR;
+ gainB = syncResults_.gainB;
+}
+
void Awb::disableAuto()
{
/* Freeze the most recent values, and treat them as manual gains */
diff --git a/src/ipa/rpi/controller/rpi/awb.h b/src/ipa/rpi/controller/rpi/awb.h
index e7d49cd8..cde6a62f 100644
--- a/src/ipa/rpi/controller/rpi/awb.h
+++ b/src/ipa/rpi/controller/rpi/awb.h
@@ -95,6 +95,7 @@ public:
void initialise() override;
int read(const libcamera::YamlObject &params) override;
unsigned int getConvergenceFrames() const override;
+ void initialValues(double &gainR, double &gainB) override;
void setMode(std::string const &name) override;
void setManualGains(double manualR, double manualB) override;
void enableAuto() override;