diff options
Diffstat (limited to 'src/libcamera/camera_sensor.cpp')
| -rw-r--r-- | src/libcamera/camera_sensor.cpp | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp index 86f0c772..2219a430 100644 --- a/src/libcamera/camera_sensor.cpp +++ b/src/libcamera/camera_sensor.cpp @@ -13,6 +13,8 @@ #include <limits.h> #include <math.h> +#include <libcamera/property_ids.h> + #include "formats.h" #include "utils.h" #include "v4l2_subdevice.h" @@ -47,7 +49,7 @@ LOG_DEFINE_CATEGORY(CameraSensor); * Once constructed the instance must be initialized with init(). */ CameraSensor::CameraSensor(const MediaEntity *entity) - : entity_(entity) + : entity_(entity), properties_(properties::properties) { subdev_ = new V4L2Subdevice(entity); } @@ -89,6 +91,45 @@ int CameraSensor::init() if (ret < 0) return ret; + /* Retrieve and store the camera sensor properties. */ + const ControlInfoMap &controls = subdev_->controls(); + int32_t propertyValue; + + /* Camera Location: default is front location. */ + const auto &locationControl = controls.find(V4L2_CID_CAMERA_SENSOR_LOCATION); + if (locationControl != controls.end()) { + int32_t v4l2Location = + locationControl->second.def().get<int32_t>(); + + switch (v4l2Location) { + default: + LOG(CameraSensor, Warning) + << "Unsupported camera location " + << v4l2Location << ", setting to Front"; + /* Fall-through */ + case V4L2_LOCATION_FRONT: + propertyValue = properties::CameraLocationFront; + break; + case V4L2_LOCATION_BACK: + propertyValue = properties::CameraLocationBack; + break; + case V4L2_LOCATION_EXTERNAL: + propertyValue = properties::CameraLocationExternal; + break; + } + } else { + propertyValue = properties::CameraLocationFront; + } + properties_.set(properties::Location, propertyValue); + + /* Camera Rotation: default is 0 degrees. */ + const auto &rotationControl = controls.find(V4L2_CID_CAMERA_SENSOR_ROTATION); + if (rotationControl != controls.end()) + propertyValue = rotationControl->second.def().get<int32_t>(); + else + propertyValue = 0; + properties_.set(properties::Rotation, propertyValue); + /* Enumerate and cache media bus codes and sizes. */ const ImageFormats formats = subdev_->formats(0); if (formats.isEmpty()) { @@ -285,6 +326,12 @@ int CameraSensor::getControls(ControlList *ctrls) } /** + * \fn CameraSensor::properties() + * \brief Retrieve the camera sensor properties + * \return The list of camera sensor properties + */ + +/** * \brief Write controls to the sensor * \param[in] ctrls The list of controls to write * |