diff options
Diffstat (limited to 'src/ipa/raspberrypi/raspberrypi.cpp')
| -rw-r--r-- | src/ipa/raspberrypi/raspberrypi.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp index 8c0df0ec..9b08ae4c 100644 --- a/src/ipa/raspberrypi/raspberrypi.cpp +++ b/src/ipa/raspberrypi/raspberrypi.cpp @@ -1377,11 +1377,17 @@ RPiController::StatisticsPtr IPARPi::fillStatistics(bcm2835_isp_stats *stats) co /* RGB histograms are not used, so do not populate them. */ statistics->yHist = RPiController::Histogram(stats->hist[0].g_hist, NUM_HISTOGRAM_BINS); + /* + * All region sums are based on a 13-bit pipeline bit-depth. Normalise + * this to 16-bits for the AGC/AWB/ALSC algorithms. + */ + constexpr unsigned int scale = Statistics::NormalisationFactorPow2 - 13; + statistics->awbRegions.init({ DEFAULT_AWB_REGIONS_X, DEFAULT_AWB_REGIONS_Y }); for (i = 0; i < statistics->awbRegions.numRegions(); i++) - statistics->awbRegions.set(i, { { stats->awb_stats[i].r_sum, - stats->awb_stats[i].g_sum, - stats->awb_stats[i].b_sum }, + statistics->awbRegions.set(i, { { stats->awb_stats[i].r_sum << scale, + stats->awb_stats[i].g_sum << scale, + stats->awb_stats[i].b_sum << scale }, stats->awb_stats[i].counted, stats->awb_stats[i].notcounted }); @@ -1391,9 +1397,9 @@ RPiController::StatisticsPtr IPARPi::fillStatistics(bcm2835_isp_stats *stats) co */ statistics->agcRegions.init(15); for (i = 0; i < statistics->agcRegions.numRegions(); i++) - statistics->agcRegions.set(i, { { stats->agc_stats[i].r_sum, - stats->agc_stats[i].g_sum, - stats->agc_stats[i].b_sum }, + statistics->agcRegions.set(i, { { stats->agc_stats[i].r_sum << scale, + stats->agc_stats[i].g_sum << scale, + stats->agc_stats[i].b_sum << scale }, stats->agc_stats[i].counted, stats->awb_stats[i].notcounted }); |