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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-11-16 16:29:23 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-11-23 10:29:30 +0200
commita2b4975a1ca0ec122227d5c8c2ef6a6aa28803e5 (patch)
treed6aa98131faad9f7f2b78423f3026fca69fc1e1d /src/ipa/ipu3/algorithms/agc.h
parent6e02f674578e3c40ab3f140b25422ed195e4fc28 (diff)
ipa: ipu3: agc: Return the inter-quantile mean from measureBrightness()
The inter-quantile mean is a value that is computed as part of the AGC run. It doesn't need to be stored in a member variable. Return it from measureBrightness(), which makes the flow of data easier to follow. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/ipa/ipu3/algorithms/agc.h')
-rw-r--r--src/ipa/ipu3/algorithms/agc.h9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/ipa/ipu3/algorithms/agc.h b/src/ipa/ipu3/algorithms/agc.h
index 0c868d67..a04a81fb 100644
--- a/src/ipa/ipu3/algorithms/agc.h
+++ b/src/ipa/ipu3/algorithms/agc.h
@@ -31,10 +31,11 @@ public:
void process(IPAContext &context, const ipu3_uapi_stats_3a *stats) override;
private:
- void measureBrightness(const ipu3_uapi_stats_3a *stats,
- const ipu3_uapi_grid_config &grid);
+ double measureBrightness(const ipu3_uapi_stats_3a *stats,
+ const ipu3_uapi_grid_config &grid) const;
void filterExposure();
- void computeExposure(IPAFrameContext &frameContext, double yGain);
+ void computeExposure(IPAFrameContext &frameContext, double yGain,
+ double iqMeanGain);
double estimateLuminance(IPAFrameContext &frameContext,
const ipu3_uapi_grid_config &grid,
const ipu3_uapi_stats_3a *stats,
@@ -42,8 +43,6 @@ private:
uint64_t frameCount_;
- double iqMean_;
-
utils::Duration lineDuration_;
utils::Duration minShutterSpeed_;
utils::Duration maxShutterSpeed_;