From f9c490ab25f38dcaf62da27980dcd8e9f1e53897 Mon Sep 17 00:00:00 2001 From: Naushir Patuck Date: Thu, 6 Oct 2022 14:17:37 +0100 Subject: ipa: raspberrypi: Pass lineLength into the CamHelper API Update CamHelper::exposureLines() and CamHelper::exposure() to take a line length duration parameter for use in the exposure calculations. For now, only use the minimum line length for all the calculations to match the existing IPA behavior. Signed-off-by: Naushir Patuck Tested-by: Dave Stevenson Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- src/ipa/raspberrypi/cam_helper.cpp | 12 ++++++------ src/ipa/raspberrypi/cam_helper.h | 6 ++++-- src/ipa/raspberrypi/cam_helper_imx219.cpp | 3 ++- src/ipa/raspberrypi/cam_helper_imx296.cpp | 10 ++++++---- src/ipa/raspberrypi/cam_helper_imx477.cpp | 7 ++++--- src/ipa/raspberrypi/cam_helper_imx519.cpp | 7 ++++--- src/ipa/raspberrypi/raspberrypi.cpp | 8 ++++---- 7 files changed, 30 insertions(+), 23 deletions(-) (limited to 'src') diff --git a/src/ipa/raspberrypi/cam_helper.cpp b/src/ipa/raspberrypi/cam_helper.cpp index 42251ba2..fd3527b9 100644 --- a/src/ipa/raspberrypi/cam_helper.cpp +++ b/src/ipa/raspberrypi/cam_helper.cpp @@ -61,16 +61,16 @@ void CamHelper::process([[maybe_unused]] StatisticsPtr &stats, { } -uint32_t CamHelper::exposureLines(const Duration exposure) const +uint32_t CamHelper::exposureLines(const Duration exposure, const Duration lineLength) const { assert(initialized_); - return exposure / mode_.minLineLength; + return exposure / lineLength; } -Duration CamHelper::exposure(uint32_t exposureLines) const +Duration CamHelper::exposure(uint32_t exposureLines, const Duration lineLength) const { assert(initialized_); - return exposureLines * mode_.minLineLength; + return exposureLines * lineLength; } uint32_t CamHelper::getVBlanking(Duration &exposure, @@ -78,7 +78,7 @@ uint32_t CamHelper::getVBlanking(Duration &exposure, Duration maxFrameDuration) const { uint32_t frameLengthMin, frameLengthMax, vblank; - uint32_t exposureLines = CamHelper::exposureLines(exposure); + uint32_t exposureLines = CamHelper::exposureLines(exposure, mode_.minLineLength); assert(initialized_); @@ -94,7 +94,7 @@ uint32_t CamHelper::getVBlanking(Duration &exposure, * re-calculate if it has been clipped. */ exposureLines = std::min(frameLengthMax - frameIntegrationDiff_, exposureLines); - exposure = CamHelper::exposure(exposureLines); + exposure = CamHelper::exposure(exposureLines, mode_.minLineLength); /* Limit the vblank to the range allowed by the frame length limits. */ vblank = std::clamp(exposureLines + frameIntegrationDiff_, diff --git a/src/ipa/raspberrypi/cam_helper.h b/src/ipa/raspberrypi/cam_helper.h index 70d62719..9b5e6026 100644 --- a/src/ipa/raspberrypi/cam_helper.h +++ b/src/ipa/raspberrypi/cam_helper.h @@ -78,8 +78,10 @@ public: virtual void prepare(libcamera::Span buffer, Metadata &metadata); virtual void process(StatisticsPtr &stats, Metadata &metadata); - virtual uint32_t exposureLines(libcamera::utils::Duration exposure) const; - virtual libcamera::utils::Duration exposure(uint32_t exposureLines) const; + virtual uint32_t exposureLines(const libcamera::utils::Duration exposure, + const libcamera::utils::Duration lineLength) const; + virtual libcamera::utils::Duration exposure(uint32_t exposureLines, + const libcamera::utils::Duration lineLength) const; virtual uint32_t getVBlanking(libcamera::utils::Duration &exposure, libcamera::utils::Duration minFrameDuration, libcamera::utils::Duration maxFrameDuration) const; diff --git a/src/ipa/raspberrypi/cam_helper_imx219.cpp b/src/ipa/raspberrypi/cam_helper_imx219.cpp index 7ded07a2..98a3b319 100644 --- a/src/ipa/raspberrypi/cam_helper_imx219.cpp +++ b/src/ipa/raspberrypi/cam_helper_imx219.cpp @@ -94,7 +94,8 @@ void CamHelperImx219::populateMetadata(const MdParser::RegisterMap ®isters, { DeviceStatus deviceStatus; - deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg)); + deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg), + mode_.minLineLength); deviceStatus.analogueGain = gain(registers.at(gainReg)); deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg); diff --git a/src/ipa/raspberrypi/cam_helper_imx296.cpp b/src/ipa/raspberrypi/cam_helper_imx296.cpp index 66d21e36..d86ff387 100644 --- a/src/ipa/raspberrypi/cam_helper_imx296.cpp +++ b/src/ipa/raspberrypi/cam_helper_imx296.cpp @@ -21,8 +21,8 @@ public: CamHelperImx296(); uint32_t gainCode(double gain) const override; double gain(uint32_t gainCode) const override; - uint32_t exposureLines(Duration exposure) const override; - Duration exposure(uint32_t exposureLines) const override; + uint32_t exposureLines(const Duration exposure, const Duration lineLength) const override; + Duration exposure(uint32_t exposureLines, const Duration lineLength) const override; void getDelays(int &exposureDelay, int &gainDelay, int &vblankDelay) const override; private: @@ -53,12 +53,14 @@ double CamHelperImx296::gain(uint32_t gainCode) const return std::pow(10.0, gainCode / 200.0); } -uint32_t CamHelperImx296::exposureLines(Duration exposure) const +uint32_t CamHelperImx296::exposureLines(const Duration exposure, + [[maybe_unused]] const Duration lineLength) const { return std::max(minExposureLines, (exposure - 14.26us) / timePerLine); } -Duration CamHelperImx296::exposure(uint32_t exposureLines) const +Duration CamHelperImx296::exposure(uint32_t exposureLines, + [[maybe_unused]] const Duration lineLength) const { return std::max(minExposureLines, exposureLines) * timePerLine + 14.26us; } diff --git a/src/ipa/raspberrypi/cam_helper_imx477.cpp b/src/ipa/raspberrypi/cam_helper_imx477.cpp index aa306d66..71529bdd 100644 --- a/src/ipa/raspberrypi/cam_helper_imx477.cpp +++ b/src/ipa/raspberrypi/cam_helper_imx477.cpp @@ -144,9 +144,9 @@ uint32_t CamHelperImx477::getVBlanking(Duration &exposure, if (shift) { /* Account for any rounding in the scaled frame length value. */ frameLength <<= shift; - exposureLines = CamHelperImx477::exposureLines(exposure); + exposureLines = CamHelperImx477::exposureLines(exposure, mode_.minLineLength); exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff); - exposure = CamHelperImx477::exposure(exposureLines); + exposure = CamHelperImx477::exposure(exposureLines, mode_.minLineLength); } return frameLength - mode_.height; @@ -170,7 +170,8 @@ void CamHelperImx477::populateMetadata(const MdParser::RegisterMap ®isters, { DeviceStatus deviceStatus; - deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg)); + deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg), + mode_.minLineLength); deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg)); deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg); deviceStatus.sensorTemperature = std::clamp(registers.at(temperatureReg), -20, 80); diff --git a/src/ipa/raspberrypi/cam_helper_imx519.cpp b/src/ipa/raspberrypi/cam_helper_imx519.cpp index 54e104e7..2c120dad 100644 --- a/src/ipa/raspberrypi/cam_helper_imx519.cpp +++ b/src/ipa/raspberrypi/cam_helper_imx519.cpp @@ -144,9 +144,9 @@ uint32_t CamHelperImx519::getVBlanking(Duration &exposure, if (shift) { /* Account for any rounding in the scaled frame length value. */ frameLength <<= shift; - exposureLines = CamHelperImx519::exposureLines(exposure); + exposureLines = CamHelperImx519::exposureLines(exposure, mode_.minLineLength); exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff); - exposure = CamHelperImx519::exposure(exposureLines); + exposure = CamHelperImx519::exposure(exposureLines, mode_.minLineLength); } return frameLength - mode_.height; @@ -170,7 +170,8 @@ void CamHelperImx519::populateMetadata(const MdParser::RegisterMap ®isters, { DeviceStatus deviceStatus; - deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg)); + deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg), + mode_.minLineLength); deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg)); deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg); diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp index 5db5b86d..560b61bd 100644 --- a/src/ipa/raspberrypi/raspberrypi.cpp +++ b/src/ipa/raspberrypi/raspberrypi.cpp @@ -477,7 +477,7 @@ int IPARPi::configure(const IPACameraSensorInfo &sensorInfo, const uint32_t exposureMin = sensorCtrls_.at(V4L2_CID_EXPOSURE).min().get(); ctrlMap[&controls::ExposureTime] = - ControlInfo(static_cast(helper_->exposure(exposureMin).get()), + ControlInfo(static_cast(helper_->exposure(exposureMin, mode_.minLineLength).get()), static_cast(maxShutter.get())); result->controlInfo = ControlInfoMap(std::move(ctrlMap), controls::controls); @@ -550,7 +550,7 @@ void IPARPi::reportMetadata() deviceStatus->shutterSpeed.get()); libcameraMetadata_.set(controls::AnalogueGain, deviceStatus->analogueGain); libcameraMetadata_.set(controls::FrameDuration, - helper_->exposure(deviceStatus->frameLength).get()); + helper_->exposure(deviceStatus->frameLength, mode_.minLineLength).get()); if (deviceStatus->sensorTemperature) libcameraMetadata_.set(controls::SensorTemperature, *deviceStatus->sensorTemperature); } @@ -1105,7 +1105,7 @@ void IPARPi::fillDeviceStatus(const ControlList &sensorControls) int32_t gainCode = sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get(); int32_t vblank = sensorControls.get(V4L2_CID_VBLANK).get(); - deviceStatus.shutterSpeed = helper_->exposure(exposureLines); + deviceStatus.shutterSpeed = helper_->exposure(exposureLines, mode_.minLineLength); deviceStatus.analogueGain = helper_->gain(gainCode); deviceStatus.frameLength = mode_.height + vblank; @@ -1197,7 +1197,7 @@ void IPARPi::applyAGC(const struct AgcStatus *agcStatus, ControlList &ctrls) /* getVBlanking might clip exposure time to the fps limits. */ Duration exposure = agcStatus->shutterTime; int32_t vblanking = helper_->getVBlanking(exposure, minFrameDuration_, maxFrameDuration_); - int32_t exposureLines = helper_->exposureLines(exposure); + int32_t exposureLines = helper_->exposureLines(exposure, mode_.minLineLength); LOG(IPARPI, Debug) << "Applying AGC Exposure: " << exposure << " (Shutter lines: " << exposureLines << ", AGC requested " -- cgit v1.2.1