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ipa: rkisp1: Add support for manual gain and exposure

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Add support for manual gain and exposure in the rkisp1 IPA.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Paul Elder
2022-10-18 14:49:13 +09:00
committed by Laurent Pinchart
parent 947b8627f9
commit 4cf3c96493
4 changed files with 96 additions and 9 deletions
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src/ipa/rkisp1/rkisp1.cpp
+25
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@@ -157,6 +157,9 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision,
return -ENODEV;
}
context_.configuration.sensor.lineDuration = sensorInfo.minLineLength
* 1.0s / sensorInfo.pixelRate;
/* Load the tuning data file. */
File file(settings.configurationFile);
if (!file.open(File::OpenModeFlag::ReadOnly)) {
@@ -376,6 +379,28 @@ void IPARkISP1::updateControls(const IPACameraSensorInfo &sensorInfo,
{
ControlInfoMap::Map ctrlMap = rkisp1Controls;
/*
* Compute exposure time limits from the V4L2_CID_EXPOSURE control
* limits and the line duration.
*/
double lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();
const ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;
int32_t minExposure = v4l2Exposure.min().get<int32_t>() * lineDuration;
int32_t maxExposure = v4l2Exposure.max().get<int32_t>() * lineDuration;
int32_t defExposure = v4l2Exposure.def().get<int32_t>() * lineDuration;
ctrlMap.emplace(std::piecewise_construct,
std::forward_as_tuple(&controls::ExposureTime),
std::forward_as_tuple(minExposure, maxExposure, defExposure));
/* Compute the analogue gain limits. */
const ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;
float minGain = camHelper_->gain(v4l2Gain.min().get<int32_t>());
float maxGain = camHelper_->gain(v4l2Gain.max().get<int32_t>());
float defGain = camHelper_->gain(v4l2Gain.def().get<int32_t>());
ctrlMap.emplace(std::piecewise_construct,
std::forward_as_tuple(&controls::AnalogueGain),
std::forward_as_tuple(minGain, maxGain, defGain));
/*
* Compute the frame duration limits.
*