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[cscore] Add Arducam OV9281 exposure quirk (#4663)

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Reports exposure range as 1-5000 but real range is 1-75.
This commit is contained in:
Peter Johnson
2022-11-18 14:15:30 -08:00
committed by GitHub
parent 88f7a3ccb9
commit 149bac55b1
2 changed files with 14 additions and 0 deletions
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13
cscore/src/main/native/linux/UsbCameraImpl.cpp
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@@ -140,6 +140,12 @@ int UsbCameraImpl::RawToPercentage(const UsbCameraProperty& rawProp,
}
return 100;
}
// Arducam OV9281 exposure setting quirk
if (m_ov9281_exposure && rawProp.name == "raw_exposure_absolute" &&
rawProp.minimum == 1 && rawProp.maximum == 5000) {
// real range is 1-75
return 100.0 * (rawValue - 1) / (75 - 1);
}
return 100.0 * (rawValue - rawProp.minimum) /
(rawProp.maximum - rawProp.minimum);
}
@@ -159,6 +165,12 @@ int UsbCameraImpl::PercentageToRaw(const UsbCameraProperty& rawProp,
}
return quirkLifeCamHd3000[ndx];
}
// Arducam OV9281 exposure setting quirk
if (m_ov9281_exposure && rawProp.name == "raw_exposure_absolute" &&
rawProp.minimum == 1 && rawProp.maximum == 5000) {
// real range is 1-75
return 1 + (75 - 1) * (percentValue / 100.0);
}
return rawProp.minimum +
(rawProp.maximum - rawProp.minimum) * (percentValue / 100.0);
}
@@ -1384,6 +1396,7 @@ void UsbCameraImpl::SetQuirks() {
std::string_view desc = GetDescription(descbuf);
m_lifecam_exposure = wpi::ends_with(desc, "LifeCam HD-3000") ||
wpi::ends_with(desc, "LifeCam Cinema (TM)");
m_ov9281_exposure = wpi::contains(desc, "OV9281");
m_picamera = wpi::ends_with(desc, "mmal service");
int deviceNum = GetDeviceNum(m_path.c_str());

1
cscore/src/main/native/linux/UsbCameraImpl.h
View File

@@ -161,6 +161,7 @@ class UsbCameraImpl : public SourceImpl {
// Quirks
bool m_lifecam_exposure{false}; // Microsoft LifeCam exposure
bool m_ps3eyecam_exposure{false}; // PS3 Eyecam exposure
bool m_ov9281_exposure{false}; // Arducam OV9281 exposure
bool m_picamera{false}; // Raspberry Pi camera
//