diff options
Diffstat (limited to 'src/ipa')
| -rw-r--r-- | src/ipa/raspberrypi/raspberrypi.cpp | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp index a464268b..f8d37b87 100644 --- a/src/ipa/raspberrypi/raspberrypi.cpp +++ b/src/ipa/raspberrypi/raspberrypi.cpp @@ -74,8 +74,8 @@ constexpr Duration controllerMinFrameDuration = 1.0s / 30.0; /* List of controls handled by the Raspberry Pi IPA */ static const ControlInfoMap::Map ipaControls{ { &controls::AeEnable, ControlInfo(false, true) }, - { &controls::ExposureTime, ControlInfo(0, 999999) }, - { &controls::AnalogueGain, ControlInfo(1.0f, 32.0f) }, + { &controls::ExposureTime, ControlInfo(0, 66666) }, + { &controls::AnalogueGain, ControlInfo(1.0f, 16.0f) }, { &controls::AeMeteringMode, ControlInfo(controls::AeMeteringModeValues) }, { &controls::AeConstraintMode, ControlInfo(controls::AeConstraintModeValues) }, { &controls::AeExposureMode, ControlInfo(controls::AeExposureModeValues) }, @@ -89,7 +89,7 @@ static const ControlInfoMap::Map ipaControls{ { &controls::Sharpness, ControlInfo(0.0f, 16.0f, 1.0f) }, { &controls::ColourCorrectionMatrix, ControlInfo(-16.0f, 16.0f) }, { &controls::ScalerCrop, ControlInfo(Rectangle{}, Rectangle(65535, 65535, 65535, 65535), Rectangle{}) }, - { &controls::FrameDurationLimits, ControlInfo(INT64_C(1000), INT64_C(1000000000)) }, + { &controls::FrameDurationLimits, ControlInfo(INT64_C(33333), INT64_C(120000)) }, { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) } }; @@ -446,6 +446,33 @@ int IPARPi::configure(const IPACameraSensorInfo &sensorInfo, ASSERT(controls); *controls = std::move(ctrls); + /* + * Apply the correct limits to the exposure, gain and frame duration controls + * based on the current sensor mode. + */ + ControlInfoMap::Map ctrlMap = ipaControls; + const Duration minSensorFrameDuration = mode_.min_frame_length * mode_.line_length; + const Duration maxSensorFrameDuration = mode_.max_frame_length * mode_.line_length; + ctrlMap[&controls::FrameDurationLimits] = + ControlInfo(static_cast<int64_t>(minSensorFrameDuration.get<std::micro>()), + static_cast<int64_t>(maxSensorFrameDuration.get<std::micro>())); + + ctrlMap[&controls::AnalogueGain] = + ControlInfo(1.0f, static_cast<float>(helper_->Gain(maxSensorGainCode_))); + + /* + * Calculate the max exposure limit from the frame duration limit as V4L2 + * will limit the maximum control value based on the current VBLANK value. + */ + Duration maxShutter = Duration::max(); + helper_->GetVBlanking(maxShutter, minSensorFrameDuration, maxSensorFrameDuration); + const uint32_t exposureMin = sensorCtrls_.at(V4L2_CID_EXPOSURE).min().get<int32_t>(); + + ctrlMap[&controls::ExposureTime] = + ControlInfo(static_cast<int32_t>(helper_->Exposure(exposureMin).get<std::micro>()), + static_cast<int32_t>(maxShutter.get<std::micro>())); + + result->controlInfo = ControlInfoMap(std::move(ctrlMap), controls::controls); return 0; } |