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-rw-r--r--src/libcamera/camera_sensor.cpp57
1 files changed, 21 insertions, 36 deletions
diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index 048fcd6a..0c9bd4f5 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -269,15 +269,21 @@ int CameraSensor::validateSensorDriver()
Rectangle rect;
int ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_BOUNDS, &rect);
if (ret) {
+ rect = Rectangle(resolution());
LOG(CameraSensor, Warning)
- << "Failed to retrieve the readable pixel array size";
+ << "The PixelArraySize property has been defaulted to "
+ << rect.toString();
err = -EINVAL;
}
+ pixelArraySize_.width = rect.width;
+ pixelArraySize_.height = rect.height;
- ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_DEFAULT, &rect);
+ ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_DEFAULT, &activeArea_);
if (ret) {
+ activeArea_ = Rectangle(pixelArraySize_);
LOG(CameraSensor, Warning)
- << "Failed to retrieve the active pixel array size";
+ << "The PixelArrayActiveAreas property has been defaulted to "
+ << activeArea_.toString();
err = -EINVAL;
}
@@ -373,24 +379,8 @@ int CameraSensor::initProperties()
propertyValue = 0;
properties_.set(properties::Rotation, propertyValue);
- Rectangle bounds;
- ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_BOUNDS, &bounds);
- if (!ret)
- properties_.set(properties::PixelArraySize, bounds.size());
-
- Rectangle crop;
- ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_DEFAULT, &crop);
- if (!ret) {
- /*
- * V4L2_SEL_TGT_CROP_DEFAULT and V4L2_SEL_TGT_CROP_BOUNDS are
- * defined relatively to the sensor full pixel array size,
- * while properties::PixelArrayActiveAreas is defined relatively
- * to properties::PixelArraySize. Adjust it.
- */
- crop.x -= bounds.x;
- crop.y -= bounds.y;
- properties_.set(properties::PixelArrayActiveAreas, { crop });
- }
+ properties_.set(properties::PixelArraySize, pixelArraySize_);
+ properties_.set(properties::PixelArrayActiveAreas, { activeArea_ });
/* Color filter array pattern, register only for RAW sensors. */
for (const auto &format : formats_) {
@@ -646,20 +636,15 @@ int CameraSensor::sensorInfo(CameraSensorInfo *info) const
{
info->model = model();
- /* Get the active area size. */
- Rectangle rect;
- int ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP_DEFAULT, &rect);
- if (ret) {
- LOG(CameraSensor, Error)
- << "Failed to construct camera sensor info: "
- << "the camera sensor does not report the active area";
-
- return ret;
- }
- info->activeAreaSize = { rect.width, rect.height };
+ /*
+ * The active area size is a static property, while the crop
+ * rectangle needs to be re-read as it depends on the sensor
+ * configuration.
+ */
+ info->activeAreaSize = { activeArea_.width, activeArea_.height };
/* It's mandatory for the subdevice to report its crop rectangle. */
- ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP, &info->analogCrop);
+ int ret = subdev_->getSelection(pad_, V4L2_SEL_TGT_CROP, &info->analogCrop);
if (ret) {
LOG(CameraSensor, Error)
<< "Failed to construct camera sensor info: "
@@ -672,10 +657,10 @@ int CameraSensor::sensorInfo(CameraSensorInfo *info) const
* are defined relatively to the active pixel area, while V4L2's
* TGT_CROP target is defined in respect to the full pixel array.
*
- * Compensate it by subtracting the active areas offset.
+ * Compensate it by subtracting the active area offset.
*/
- info->analogCrop.x -= rect.x;
- info->analogCrop.y -= rect.y;
+ info->analogCrop.x -= activeArea_.x;
+ info->analogCrop.y -= activeArea_.y;
/* The bit depth and image size depend on the currently applied format. */
V4L2SubdeviceFormat format{};