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libcamera: ipa: raspberrypi: awb: Add SwitchMode method to output AWB status

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The Awb class now implements a SwitchMode method which outputs its
AwbStatus for other algorithms to read, should they be interested.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
David Plowman 2020-11-23 07:38:00 +00:00 • committed by Kieran Bingham
parent f185a16833
commit 23ada683db
2 changed files with 15 additions and 0 deletions
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14
src/ipa/raspberrypi/controller/rpi/awb.cpp
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@ -179,6 +179,20 @@ void Awb::SetManualGains(double manual_r, double manual_b)
manual_b_ = manual_b; manual_b_ = manual_b;
} }
void Awb::SwitchMode([[maybe_unused]] CameraMode const &camera_mode,
Metadata *metadata)
{
// If fixed colour gains have been set, we should let other algorithms
// know by writing it into the image metadata.
if (manual_r_ != 0.0 && manual_b_ != 0.0) {
prev_sync_results_.gain_r = manual_r_;
prev_sync_results_.gain_g = 1.0;
prev_sync_results_.gain_b = manual_b_;
sync_results_ = prev_sync_results_;
}
metadata->Set("awb.status", prev_sync_results_);
}
void Awb::fetchAsyncResults() void Awb::fetchAsyncResults()
{ {
RPI_LOG("Fetch AWB results"); RPI_LOG("Fetch AWB results");

1
src/ipa/raspberrypi/controller/rpi/awb.hpp
View file

@ -84,6 +84,7 @@ public:
void Read(boost::property_tree::ptree const &params) override; void Read(boost::property_tree::ptree const &params) override;
void SetMode(std::string const &name) override; void SetMode(std::string const &name) override;
void SetManualGains(double manual_r, double manual_b) override; void SetManualGains(double manual_r, double manual_b) override;
void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
void Prepare(Metadata *image_metadata) override; void Prepare(Metadata *image_metadata) override;
void Process(StatisticsPtr &stats, Metadata *image_metadata) override; void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
struct RGB { struct RGB {