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-rw-r--r--src/ipa/ipu3/algorithms/agc.cpp16
-rw-r--r--src/ipa/raspberrypi/cam_helper.cpp6
-rw-r--r--src/ipa/raspberrypi/cam_helper_imx296.cpp3
-rw-r--r--src/ipa/raspberrypi/controller/rpi/agc.cpp12
-rw-r--r--src/ipa/raspberrypi/controller/rpi/lux.cpp3
-rw-r--r--src/ipa/rkisp1/algorithms/agc.cpp11
6 files changed, 32 insertions, 19 deletions
diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp
index b5309bdb..0f85a32e 100644
--- a/src/ipa/ipu3/algorithms/agc.cpp
+++ b/src/ipa/ipu3/algorithms/agc.cpp
@@ -101,7 +101,8 @@ 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;
@@ -241,17 +242,20 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext &frameContext,
* increase the gain.
*/
utils::Duration shutterTime =
- std::clamp<utils::Duration>(exposureValue / minAnalogueGain_,
- minShutterSpeed_, maxShutterSpeed_);
- double stepGain = std::clamp(exposureValue / shutterTime,
- minAnalogueGain_, maxAnalogueGain_);
+ std::clamp<utils::Duration>(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<uint32_t, uint32_t> 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<uint32_t>(minExposureLines, (exposure - 14.26us) / timePerLine);
+ return std::max<uint32_t>(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 a30e50c1..4feb8dd8 100644
--- a/src/ipa/raspberrypi/controller/rpi/agc.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/agc.cpp
@@ -413,7 +413,8 @@ 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
@@ -818,7 +819,8 @@ 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];
@@ -833,10 +835,12 @@ 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 e3470e25..6b1dfe70 100644
--- a/src/ipa/rkisp1/algorithms/agc.cpp
+++ b/src/ipa/rkisp1/algorithms/agc.cpp
@@ -79,7 +79,7 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo)
std::max(context.configuration.sensor.minAnalogueGain,
kMinAnalogueGain);
context.activeState.agc.automatic.exposure =
- 10ms / context.configuration.sensor.lineDuration;
+ 10ms / std::chrono::duration(context.configuration.sensor.lineDuration);
context.activeState.agc.manual.gain = context.activeState.agc.automatic.gain;
context.activeState.agc.manual.exposure = context.activeState.agc.automatic.exposure;
context.activeState.agc.autoEnabled = !context.configuration.raw;
@@ -307,16 +307,19 @@ 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<utils::Duration>(exposureValue / minAnalogueGain,
+ utils::Duration shutterTime = std::clamp<utils::Duration>(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.automatic.exposure = shutterTime / configuration.sensor.lineDuration;
+ activeState.agc.automatic.exposure = std::chrono::duration(shutterTime)
+ / std::chrono::duration(configuration.sensor.lineDuration);
activeState.agc.automatic.gain = stepGain;
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-09 22:25:37 +0000