diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp index a1a3c38f..f1650468 100644 --- a/src/ipa/ipu3/algorithms/agc.cpp +++ b/src/ipa/ipu3/algorithms/agc.cpp @@ -100,7 +100,8 @@ int Agc::configure(IPAContext &context, /* Configure the default exposure and gain. */ activeState.agc.gain = std::max(minAnalogueGain_, kMinAnalogueGain); - activeState.agc.exposure = 10ms / configuration.sensor.lineDuration; + activeState.agc.exposure = 10ms / + std::chrono::duration(configuration.sensor.lineDuration); frameCount_ = 0; return 0; @@ -240,17 +241,20 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, * increase the gain. */ utils::Duration shutterTime = - std::clamp(exposureValue / minAnalogueGain_, - minShutterSpeed_, maxShutterSpeed_); - double stepGain = std::clamp(exposureValue / shutterTime, - minAnalogueGain_, maxAnalogueGain_); + std::clamp(std::chrono::duration(exposureValue) / + minAnalogueGain_, + minShutterSpeed_, maxShutterSpeed_); + double stepGain = std::clamp(std::chrono::duration(exposureValue) / + std::chrono::duration(shutterTime), + minAnalogueGain_, maxAnalogueGain_); LOG(IPU3Agc, Debug) << "Divided up shutter and gain are " << shutterTime << " and " << stepGain; IPAActiveState &activeState = context.activeState; /* Update the estimated exposure and gain. */ - activeState.agc.exposure = shutterTime / configuration.sensor.lineDuration; + activeState.agc.exposure = std::chrono::duration(shutterTime) / + std::chrono::duration(configuration.sensor.lineDuration); activeState.agc.gain = stepGain; } diff --git a/src/ipa/raspberrypi/cam_helper.cpp b/src/ipa/raspberrypi/cam_helper.cpp index d90ac1de..48a8a068 100644 --- a/src/ipa/raspberrypi/cam_helper.cpp +++ b/src/ipa/raspberrypi/cam_helper.cpp @@ -63,7 +63,7 @@ void CamHelper::process([[maybe_unused]] StatisticsPtr &stats, uint32_t CamHelper::exposureLines(const Duration exposure, const Duration lineLength) const { - return exposure / lineLength; + return std::chrono::duration(exposure) / std::chrono::duration(lineLength); } Duration CamHelper::exposure(uint32_t exposureLines, const Duration lineLength) const @@ -85,8 +85,8 @@ std::pair CamHelper::getBlanking(Duration &exposure, * frameLengthMax gets calculated on the smallest line length as we do * not want to extend that unless absolutely necessary. */ - frameLengthMin = minFrameDuration / mode_.minLineLength; - frameLengthMax = maxFrameDuration / mode_.minLineLength; + frameLengthMin = std::chrono::duration(minFrameDuration) / std::chrono::duration(mode_.minLineLength); + frameLengthMax = std::chrono::duration(maxFrameDuration) / std::chrono::duration(mode_.minLineLength); /* * Watch out for (exposureLines + frameIntegrationDiff_) overflowing a diff --git a/src/ipa/raspberrypi/cam_helper_imx296.cpp b/src/ipa/raspberrypi/cam_helper_imx296.cpp index ecb845e7..c5180de5 100644 --- a/src/ipa/raspberrypi/cam_helper_imx296.cpp +++ b/src/ipa/raspberrypi/cam_helper_imx296.cpp @@ -57,7 +57,8 @@ double CamHelperImx296::gain(uint32_t gainCode) const uint32_t CamHelperImx296::exposureLines(const Duration exposure, [[maybe_unused]] const Duration lineLength) const { - return std::max(minExposureLines, (exposure - 14.26us) / timePerLine); + return std::max(minExposureLines, std::chrono::duration(exposure - 14.26us) / + std::chrono::duration(timePerLine)); } Duration CamHelperImx296::exposure(uint32_t exposureLines, diff --git a/src/ipa/raspberrypi/controller/rpi/agc.cpp b/src/ipa/raspberrypi/controller/rpi/agc.cpp index bd54a639..65baab99 100644 --- a/src/ipa/raspberrypi/controller/rpi/agc.cpp +++ b/src/ipa/raspberrypi/controller/rpi/agc.cpp @@ -418,7 +418,8 @@ void Agc::prepare(Metadata *imageMetadata) Duration actualExposure = deviceStatus.shutterSpeed * deviceStatus.analogueGain; if (actualExposure) { - status_.digitalGain = status_.totalExposureValue / actualExposure; + status_.digitalGain = std::chrono::duration(status_.totalExposureValue) / + std::chrono::duration(actualExposure); LOG(RPiAgc, Debug) << "Want total exposure " << status_.totalExposureValue; /* * Never ask for a gain < 1.0, and also impose @@ -823,7 +824,8 @@ void Agc::divideUpExposure() } if (status_.fixedAnalogueGain == 0.0) { if (exposureMode_->gain[stage] * shutterTime >= exposureValue) { - analogueGain = exposureValue / shutterTime; + analogueGain = std::chrono::duration(exposureValue) / + std::chrono::duration(shutterTime); break; } analogueGain = exposureMode_->gain[stage]; @@ -838,10 +840,12 @@ void Agc::divideUpExposure() */ if (!status_.fixedShutter && !status_.fixedAnalogueGain && status_.flickerPeriod) { - int flickerPeriods = shutterTime / status_.flickerPeriod; + int flickerPeriods = std::chrono::duration(shutterTime) / + std::chrono::duration(status_.flickerPeriod); if (flickerPeriods) { Duration newShutterTime = flickerPeriods * status_.flickerPeriod; - analogueGain *= shutterTime / newShutterTime; + analogueGain *= std::chrono::duration(shutterTime) / + std::chrono::duration(newShutterTime); /* * We should still not allow the ag to go over the * largest value in the exposure mode. Note that this diff --git a/src/ipa/raspberrypi/controller/rpi/lux.cpp b/src/ipa/raspberrypi/controller/rpi/lux.cpp index 9759186a..410f6f44 100644 --- a/src/ipa/raspberrypi/controller/rpi/lux.cpp +++ b/src/ipa/raspberrypi/controller/rpi/lux.cpp @@ -94,7 +94,8 @@ void Lux::process(StatisticsPtr &stats, Metadata *imageMetadata) double currentY = sum / (double)num + .5; double gainRatio = referenceGain_ / currentGain; double shutterSpeedRatio = - referenceShutterSpeed_ / deviceStatus.shutterSpeed; + std::chrono::duration(referenceShutterSpeed_) / + std::chrono::duration(deviceStatus.shutterSpeed); double apertureRatio = referenceAperture_ / currentAperture; double yRatio = currentY * (65536 / numBins) / referenceY_; double estimatedLux = shutterSpeedRatio * gainRatio * diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp index 04062a36..bb874356 100644 --- a/src/ipa/rkisp1/algorithms/agc.cpp +++ b/src/ipa/rkisp1/algorithms/agc.cpp @@ -74,7 +74,8 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo) { /* Configure the default exposure and gain. */ context.activeState.agc.gain = std::max(context.configuration.agc.minAnalogueGain, kMinAnalogueGain); - context.activeState.agc.exposure = 10ms / context.configuration.sensor.lineDuration; + context.activeState.agc.exposure = 10ms / + std::chrono::duration(context.configuration.sensor.lineDuration); /* * According to the RkISP1 documentation: @@ -212,16 +213,19 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext, * Push the shutter time up to the maximum first, and only then * increase the gain. */ - utils::Duration shutterTime = std::clamp(exposureValue / minAnalogueGain, + utils::Duration shutterTime = std::clamp(std::chrono::duration(exposureValue) / + minAnalogueGain, minShutterSpeed, maxShutterSpeed); - double stepGain = std::clamp(exposureValue / shutterTime, + double stepGain = std::clamp(std::chrono::duration(exposureValue) / + std::chrono::duration(shutterTime), minAnalogueGain, maxAnalogueGain); LOG(RkISP1Agc, Debug) << "Divided up shutter and gain are " << shutterTime << " and " << stepGain; /* Update the estimated exposure and gain. */ - activeState.agc.exposure = shutterTime / configuration.sensor.lineDuration; + activeState.agc.exposure = std::chrono::duration(shutterTime) / + std::chrono::duration(configuration.sensor.lineDuration); activeState.agc.gain = stepGain; }