diff options
| author | Paul Elder <paul.elder@ideasonboard.com> | 2022-10-18 14:49:13 +0900 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-11-25 10:52:06 +0200 |
| commit | 4cf3c96493084dba77a4e5707f96db2e0b4481a5 (patch) | |
| tree | 5b2bcdbe660ede47d8091e203d5e8e38232c3dc9 /src/ipa/rkisp1/rkisp1.cpp | |
| parent | 947b8627f9a27e2966c05443f1d2af5561efdb64 (diff) | |
ipa: rkisp1: Add support for manual gain and exposure
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>
Diffstat (limited to 'src/ipa/rkisp1/rkisp1.cpp')
| -rw-r--r-- | src/ipa/rkisp1/rkisp1.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp index dd551c7b..52dffc09 100644 --- a/src/ipa/rkisp1/rkisp1.cpp +++ b/src/ipa/rkisp1/rkisp1.cpp @@ -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)) { @@ -377,6 +380,28 @@ 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. * * The frame length is computed assuming a fixed line length combined |