diff options
Diffstat (limited to 'src/libcamera/sensor/camera_sensor.cpp')
| -rw-r--r-- | src/libcamera/sensor/camera_sensor.cpp | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/src/libcamera/sensor/camera_sensor.cpp b/src/libcamera/sensor/camera_sensor.cpp index 40202556..5c4f3532 100644 --- a/src/libcamera/sensor/camera_sensor.cpp +++ b/src/libcamera/sensor/camera_sensor.cpp @@ -58,7 +58,7 @@ LOG_DEFINE_CATEGORY(CameraSensor) CameraSensor::CameraSensor(const MediaEntity *entity) : entity_(entity), pad_(UINT_MAX), staticProps_(nullptr), bayerFormat_(nullptr), supportFlips_(false), - properties_(properties::properties) + flipsAlterBayerOrder_(false), properties_(properties::properties) { } @@ -271,9 +271,14 @@ int CameraSensor::validateSensorDriver() const struct v4l2_query_ext_ctrl *hflipInfo = subdev_->controlInfo(V4L2_CID_HFLIP); const struct v4l2_query_ext_ctrl *vflipInfo = subdev_->controlInfo(V4L2_CID_VFLIP); if (hflipInfo && !(hflipInfo->flags & V4L2_CTRL_FLAG_READ_ONLY) && - vflipInfo && !(vflipInfo->flags & V4L2_CTRL_FLAG_READ_ONLY)) + vflipInfo && !(vflipInfo->flags & V4L2_CTRL_FLAG_READ_ONLY)) { supportFlips_ = true; + if (hflipInfo->flags & V4L2_CTRL_FLAG_MODIFY_LAYOUT || + vflipInfo->flags & V4L2_CTRL_FLAG_MODIFY_LAYOUT) + flipsAlterBayerOrder_ = true; + } + if (!supportFlips_) LOG(CameraSensor, Debug) << "Camera sensor does not support horizontal/vertical flip"; @@ -1042,6 +1047,34 @@ Transform CameraSensor::computeTransform(Orientation *orientation) const } /** + * \brief Compute the Bayer order that results from the given Transform + * \param[in] t The Transform to apply to the sensor + * + * Some sensors change their Bayer order when they are h-flipped or v-flipped. + * This function computes and returns the Bayer order that would result from the + * given transform applied to the sensor. + * + * This function is valid only when the sensor produces raw Bayer formats. + * + * \return The Bayer order produced by the sensor when the Transform is applied + */ +BayerFormat::Order CameraSensor::bayerOrder(Transform t) const +{ + /* Return a defined by meaningless value for non-Bayer sensors. */ + if (!bayerFormat_) + return BayerFormat::Order::BGGR; + + if (!flipsAlterBayerOrder_) + return bayerFormat_->order; + + /* + * Apply the transform to the native (i.e. untransformed) Bayer order, + * using the rest of the Bayer format supplied by the caller. + */ + return bayerFormat_->transform(t).order; +} + +/** * \brief Retrieve the supported V4L2 controls and their information * * Control information is updated automatically to reflect the current sensor |