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ipa: raspberrypi: Add line length to DeviceStatus

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Add a lineLength field to the DeviceStatus structure to store the line
length used for a particular frame.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck
2022-10-06 14:17:42 +01:00
committed by Laurent Pinchart
parent 51ac3e2671
commit dd667e3864
3 changed files with 6 additions and 1 deletions
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src/ipa/raspberrypi/controller/device_status.cpp
+1
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@@ -12,6 +12,7 @@ std::ostream &operator<<(std::ostream &out, const DeviceStatus &d)
{
out << "Exposure: " << d.shutterSpeed
<< " Frame length: " << d.frameLength
<< " Line length: " << d.lineLength
<< " Gain: " << d.analogueGain;
if (d.aperture)
src/ipa/raspberrypi/controller/device_status.h
+3 -1
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@@ -19,7 +19,7 @@
struct DeviceStatus {
DeviceStatus()
: shutterSpeed(std::chrono::seconds(0)), frameLength(0),
analogueGain(0.0)
lineLength(std::chrono::seconds(0)), analogueGain(0.0)
{
}
@@ -29,6 +29,8 @@ struct DeviceStatus {
libcamera::utils::Duration shutterSpeed;
/* frame length given in number of lines */
uint32_t frameLength;
/* line length for the current frame */
libcamera::utils::Duration lineLength;
double analogueGain;
/* 1.0/distance-in-metres, or 0 if unknown */
std::optional<double> lensPosition;
src/ipa/raspberrypi/raspberrypi.cpp
+2
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@@ -1107,7 +1107,9 @@ void IPARPi::fillDeviceStatus(const ControlList &sensorControls)
int32_t exposureLines = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
int32_t gainCode = sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>();
int32_t vblank = sensorControls.get(V4L2_CID_VBLANK).get<int32_t>();
int32_t hblank = sensorControls.get(V4L2_CID_HBLANK).get<int32_t>();
deviceStatus.lineLength = helper_->hblankToLineLength(hblank);
deviceStatus.shutterSpeed = helper_->exposure(exposureLines, mode_.minLineLength);
deviceStatus.analogueGain = helper_->gain(gainCode);
deviceStatus.frameLength = mode_.height + vblank;