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ipa: rkisp1: awb: Don't calculate RGB means if stats are missing

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When statistics are missing we can't meaningfully calculate the RGB
means. Move their calculation after checking if stats are available.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2025-02-23 23:12:40 +02:00
parent 127bc20965
commit 1bb4d3712d
1 changed files with 5 additions and 3 deletions
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8
src/ipa/rkisp1/algorithms/awb.cpp
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@ -279,10 +279,7 @@ void Awb::process(IPAContext &context,
const rkisp1_stat_buffer *stats,
ControlList &metadata)
{
const rkisp1_cif_isp_stat *params = &stats->params;
const rkisp1_cif_isp_awb_stat *awb = &params->awb;
IPAActiveState &activeState = context.activeState;
RGB<double> rgbMeans = calculateRgbMeans(frameContext, awb);
metadata.set(controls::AwbEnable, frameContext.awb.autoEnabled);
metadata.set(controls::ColourGains, {
@ -296,6 +293,11 @@ void Awb::process(IPAContext &context,
return;
}
const rkisp1_cif_isp_stat *params = &stats->params;
const rkisp1_cif_isp_awb_stat *awb = &params->awb;
RGB<double> rgbMeans = calculateRgbMeans(frameContext, awb);
/*
* If the means are too small we don't have enough information to
* meaningfully calculate gains. Freeze the algorithm in that case.