[RFC PATCH v1] libcamera: controls: Remove common enum prefix

Paul Elder paul.elder at ideasonboard.com
Thu May 22 15:31:34 CEST 2025


Quoting Barnabás Pőcze (2025-05-17 00:41:31)
> At the moment all enumerators have a common prefix, in many cases
> the name of the control, but not always. This is reasonable for
> C++ because currently non-scoped enumerations are used, so some
> kind of prefix is needed to differentiate common names like `Auto`,
> `Manual`, `On`, `Off`, etc.
> 
> However, for e.g. language bindings, it might be more desirable to
> have access to the the unprefixed name. (This is even the case for
> C++ scoped enumerations.)
> 
> Currently, both the gstreamer and python bindings have extra code
> to strip the common prefix. So instead of doing that separately in
> every binding, etc. store the unprefixed name in the source of truth,
> the control/property definition yaml files.
> 
> This is an API break, but it only affects C++ because gst and py already
> strip the common prefix (TODO: recheck again). And in case of C++ it is
> only an API break for enum controls where the common prefix is not the
> same as the control name:
> 
>    * properties::Location
>    * properties::draft::ColorFilterArrangement
>    * controls::AwbMode
>    * controls::AeConstraintMode
>    * controls::AeFlickerMode
>    * controls::AeMeteringMode
>    * controls::AeExposureMode
>    * controls::draft::ColorCorrectionAberrationMode
>    * TODO: check again
> 
> Signed-off-by: Barnabás Pőcze <barnabas.pocze at ideasonboard.com>

Looks good to me, both the idea and the implementation. I guess we just have to
check how bad the ABI and API breakages are to see when we can merge it. Which
means we need to ask Kieran.

Reviewed-by: Paul Elder <paul.elder at ideasonboard.com>

> ---
>  include/libcamera/control_ids.h.in            |   2 +-
>  src/android/camera_device.cpp                 |   6 +-
>  src/android/camera_hal_manager.cpp            |   2 +-
>  src/apps/cam/main.cpp                         |   6 +-
>  src/apps/qcam/cam_select_dialog.cpp           |   6 +-
>  src/gstreamer/gstlibcamera-controls.cpp.in    |   4 +-
>  src/ipa/libipa/agc_mean_luminance.cpp         |   4 +-
>  src/ipa/libipa/awb_bayes.cpp                  |   4 +-
>  src/ipa/rpi/common/ipa_base.cpp               |  54 ++--
>  src/libcamera/control_ids.cpp.in              |   6 +-
>  src/libcamera/control_ids_core.yaml           | 240 +++++++++---------
>  src/libcamera/control_ids_draft.yaml          |  54 ++--
>  src/libcamera/pipeline/uvcvideo/uvcvideo.cpp  |   4 +-
>  src/libcamera/pipeline/virtual/README.md      |   2 +-
>  .../pipeline/virtual/config_parser.cpp        |   4 +-
>  .../pipeline/virtual/data/virtual.yaml        |   6 +-
>  src/libcamera/property_ids_core.yaml          |   6 +-
>  src/libcamera/sensor/camera_sensor_legacy.cpp |  18 +-
>  src/libcamera/sensor/camera_sensor_raw.cpp    |  18 +-
>  src/py/libcamera/gen-py-controls.py           |  28 --
>  src/py/libcamera/py_controls_generated.cpp.in |   2 +-
>  utils/codegen/controls.py                     |  19 +-
>  utils/codegen/gen-gst-controls.py             |  17 --
>  23 files changed, 242 insertions(+), 270 deletions(-)
> 
> diff --git a/include/libcamera/control_ids.h.in b/include/libcamera/control_ids.h.in
> index 5d0594c68..2baa59bbd 100644
> --- a/include/libcamera/control_ids.h.in
> +++ b/include/libcamera/control_ids.h.in
> @@ -42,7 +42,7 @@ enum {
>  {% if ctrl.is_enum -%}
>  enum {{ctrl.name}}Enum {
>  {%- for enum in ctrl.enum_values %}
> -       {{enum.name}} = {{enum.value}},
> +       {{enum.prefixed_name}} = {{enum.value}},
>  {%- endfor %}
>  };
>  extern const std::array<const ControlValue, {{ctrl.enum_values_count}}> {{ctrl.name}}Values;
> diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
> index a038131ae..21e245bf8 100644
> --- a/src/android/camera_device.cpp
> +++ b/src/android/camera_device.cpp
> @@ -310,13 +310,13 @@ int CameraDevice::initialize(const CameraConfigData *cameraConfigData)
>         const auto &location = properties.get(properties::Location);
>         if (location) {
>                 switch (*location) {
> -               case properties::CameraLocationFront:
> +               case properties::LocationFront:
>                         facing_ = CAMERA_FACING_FRONT;
>                         break;
> -               case properties::CameraLocationBack:
> +               case properties::LocationBack:
>                         facing_ = CAMERA_FACING_BACK;
>                         break;
> -               case properties::CameraLocationExternal:
> +               case properties::LocationExternal:
>                         /*
>                          * If the camera is reported as external, but the
>                          * CameraHalManager has overriden it, use what is
> diff --git a/src/android/camera_hal_manager.cpp b/src/android/camera_hal_manager.cpp
> index 7500c749b..c44003309 100644
> --- a/src/android/camera_hal_manager.cpp
> +++ b/src/android/camera_hal_manager.cpp
> @@ -125,7 +125,7 @@ void CameraHalManager::cameraAdded(std::shared_ptr<Camera> cam)
>                  * Now check if this is an external camera and assign
>                  * its id accordingly.
>                  */
> -               if (cameraLocation(cam.get()) == properties::CameraLocationExternal) {
> +               if (cameraLocation(cam.get()) == properties::LocationExternal) {
>                         isCameraExternal = true;
>                         id = nextExternalCameraId_;
>                 } else {
> diff --git a/src/apps/cam/main.cpp b/src/apps/cam/main.cpp
> index fa266eca6..5a9989922 100644
> --- a/src/apps/cam/main.cpp
> +++ b/src/apps/cam/main.cpp
> @@ -316,15 +316,15 @@ std::string CamApp::cameraName(const Camera *camera)
>         const auto &location = props.get(properties::Location);
>         if (location) {
>                 switch (*location) {
> -               case properties::CameraLocationFront:
> +               case properties::LocationFront:
>                         addModel = false;
>                         name = "Internal front camera ";
>                         break;
> -               case properties::CameraLocationBack:
> +               case properties::LocationBack:
>                         addModel = false;
>                         name = "Internal back camera ";
>                         break;
> -               case properties::CameraLocationExternal:
> +               case properties::LocationExternal:
>                         name = "External camera ";
>                         break;
>                 }
> diff --git a/src/apps/qcam/cam_select_dialog.cpp b/src/apps/qcam/cam_select_dialog.cpp
> index 6b6d0713c..2f8417b34 100644
> --- a/src/apps/qcam/cam_select_dialog.cpp
> +++ b/src/apps/qcam/cam_select_dialog.cpp
> @@ -98,13 +98,13 @@ void CameraSelectorDialog::updateCameraInfo(QString cameraId)
>         const auto &location = properties.get(libcamera::properties::Location);
>         if (location) {
>                 switch (*location) {
> -               case libcamera::properties::CameraLocationFront:
> +               case libcamera::properties::LocationFront:
>                         cameraLocation_->setText("Internal front camera");
>                         break;
> -               case libcamera::properties::CameraLocationBack:
> +               case libcamera::properties::LocationBack:
>                         cameraLocation_->setText("Internal back camera");
>                         break;
> -               case libcamera::properties::CameraLocationExternal:
> +               case libcamera::properties::LocationExternal:
>                         cameraLocation_->setText("External camera");
>                         break;
>                 default:
> diff --git a/src/gstreamer/gstlibcamera-controls.cpp.in b/src/gstreamer/gstlibcamera-controls.cpp.in
> index 89c530da0..592865bc2 100644
> --- a/src/gstreamer/gstlibcamera-controls.cpp.in
> +++ b/src/gstreamer/gstlibcamera-controls.cpp.in
> @@ -63,9 +63,9 @@ static Rectangle value_get_rectangle(const GValue *value)
>  static const GEnumValue {{ ctrl.name|snake_case }}_types[] = {
>  {%- for enum in ctrl.enum_values %}
>         {
> -               controls::{{ ctrl.namespace }}{{ enum.name }},
> +               controls::{{ ctrl.namespace }}{{ enum.prefixed_name }},
>                 {{ enum.description|format_description|indent_str('\t\t') }},
> -               "{{ enum.gst_name }}"
> +               "{{ enum.name|kebab_case }}"
>         },
>  {%- endfor %}
>         {0, NULL, NULL}
> diff --git a/src/ipa/libipa/agc_mean_luminance.cpp b/src/ipa/libipa/agc_mean_luminance.cpp
> index f617fde81..98d250b42 100644
> --- a/src/ipa/libipa/agc_mean_luminance.cpp
> +++ b/src/ipa/libipa/agc_mean_luminance.cpp
> @@ -215,8 +215,8 @@ int AgcMeanLuminance::parseConstraintModes(const YamlObject &tuningData)
>                         0.5
>                 };
>  
> -               constraintModes_[controls::ConstraintNormal].insert(
> -                       constraintModes_[controls::ConstraintNormal].begin(),
> +               constraintModes_[controls::AeConstraintModeNormal].insert(
> +                       constraintModes_[controls::AeConstraintModeNormal].begin(),
>                         constraint);
>                 availableConstraintModes.push_back(
>                         AeConstraintModeNameValueMap.at("ConstraintNormal"));
> diff --git a/src/ipa/libipa/awb_bayes.cpp b/src/ipa/libipa/awb_bayes.cpp
> index d1d0eaf0e..3d3123508 100644
> --- a/src/ipa/libipa/awb_bayes.cpp
> +++ b/src/ipa/libipa/awb_bayes.cpp
> @@ -170,13 +170,13 @@ int AwbBayes::init(const YamlObject &tuningData)
>                 return ret;
>         }
>  
> -       ret = parseModeConfigs(tuningData, controls::AwbAuto);
> +       ret = parseModeConfigs(tuningData, controls::AwbModeAuto);
>         if (ret) {
>                 LOG(Awb, Error)
>                         << "Failed to parse mode parameter from tuning file";
>                 return ret;
>         }
> -       currentMode_ = &modes_[controls::AwbAuto];
> +       currentMode_ = &modes_[controls::AwbModeAuto];
>  
>         transversePos_ = tuningData["transversePos"].get<double>(0.01);
>         transverseNeg_ = tuningData["transverseNeg"].get<double>(0.01);
> diff --git a/src/ipa/rpi/common/ipa_base.cpp b/src/ipa/rpi/common/ipa_base.cpp
> index e0a93daa9..543f31880 100644
> --- a/src/ipa/rpi/common/ipa_base.cpp
> +++ b/src/ipa/rpi/common/ipa_base.cpp
> @@ -72,9 +72,9 @@ const ControlInfoMap::Map ipaControls{
>         { &controls::AeConstraintMode, ControlInfo(controls::AeConstraintModeValues) },
>         { &controls::AeExposureMode, ControlInfo(controls::AeExposureModeValues) },
>         { &controls::ExposureValue, ControlInfo(-8.0f, 8.0f, 0.0f) },
> -       { &controls::AeFlickerMode, ControlInfo(static_cast<int>(controls::FlickerOff),
> -                                               static_cast<int>(controls::FlickerManual),
> -                                               static_cast<int>(controls::FlickerOff)) },
> +       { &controls::AeFlickerMode, ControlInfo(static_cast<int>(controls::AeFlickerModeOff),
> +                                               static_cast<int>(controls::AeFlickerModeManual),
> +                                               static_cast<int>(controls::AeFlickerModeOff)) },
>         { &controls::AeFlickerPeriod, ControlInfo(100, 1000000) },
>         { &controls::Brightness, ControlInfo(-1.0f, 1.0f, 0.0f) },
>         { &controls::Contrast, ControlInfo(0.0f, 32.0f, 1.0f) },
> @@ -174,7 +174,7 @@ int32_t IpaBase::init(const IPASettings &settings, const InitParams &params, Ini
>         if (platformCtrlsIt != platformControls.end())
>                 ctrlMap.merge(ControlInfoMap::Map(platformCtrlsIt->second));
>  
> -       monoSensor_ = params.sensorInfo.cfaPattern == properties::draft::ColorFilterArrangementEnum::MONO;
> +       monoSensor_ = params.sensorInfo.cfaPattern == properties::draft::ColorFilterArrangementMONO;
>         if (!monoSensor_)
>                 ctrlMap.merge(ControlInfoMap::Map(ipaColourControls));
>  
> @@ -679,35 +679,35 @@ bool IpaBase::validateLensControls()
>   * must be kept up-to-date by hand.
>   */
>  static const std::map<int32_t, std::string> MeteringModeTable = {
> -       { controls::MeteringCentreWeighted, "centre-weighted" },
> -       { controls::MeteringSpot, "spot" },
> -       { controls::MeteringMatrix, "matrix" },
> -       { controls::MeteringCustom, "custom" },
> +       { controls::AeMeteringModeCentreWeighted, "centre-weighted" },
> +       { controls::AeMeteringModeSpot, "spot" },
> +       { controls::AeMeteringModeMatrix, "matrix" },
> +       { controls::AeMeteringModeCustom, "custom" },
>  };
>  
>  static const std::map<int32_t, std::string> ConstraintModeTable = {
> -       { controls::ConstraintNormal, "normal" },
> -       { controls::ConstraintHighlight, "highlight" },
> -       { controls::ConstraintShadows, "shadows" },
> -       { controls::ConstraintCustom, "custom" },
> +       { controls::AeConstraintModeNormal, "normal" },
> +       { controls::AeConstraintModeHighlight, "highlight" },
> +       { controls::AeConstraintModeShadows, "shadows" },
> +       { controls::AeConstraintModeCustom, "custom" },
>  };
>  
>  static const std::map<int32_t, std::string> ExposureModeTable = {
> -       { controls::ExposureNormal, "normal" },
> -       { controls::ExposureShort, "short" },
> -       { controls::ExposureLong, "long" },
> -       { controls::ExposureCustom, "custom" },
> +       { controls::AeExposureModeNormal, "normal" },
> +       { controls::AeExposureModeShort, "short" },
> +       { controls::AeExposureModeLong, "long" },
> +       { controls::AeExposureModeCustom, "custom" },
>  };
>  
>  static const std::map<int32_t, std::string> AwbModeTable = {
> -       { controls::AwbAuto, "auto" },
> -       { controls::AwbIncandescent, "incandescent" },
> -       { controls::AwbTungsten, "tungsten" },
> -       { controls::AwbFluorescent, "fluorescent" },
> -       { controls::AwbIndoor, "indoor" },
> -       { controls::AwbDaylight, "daylight" },
> -       { controls::AwbCloudy, "cloudy" },
> -       { controls::AwbCustom, "custom" },
> +       { controls::AwbModeAuto, "auto" },
> +       { controls::AwbModeIncandescent, "incandescent" },
> +       { controls::AwbModeTungsten, "tungsten" },
> +       { controls::AwbModeFluorescent, "fluorescent" },
> +       { controls::AwbModeIndoor, "indoor" },
> +       { controls::AwbModeDaylight, "daylight" },
> +       { controls::AwbModeCloudy, "cloudy" },
> +       { controls::AwbModeCustom, "custom" },
>  };
>  
>  static const std::map<int32_t, RPiController::AfAlgorithm::AfMode> AfModeTable = {
> @@ -970,12 +970,12 @@ void IpaBase::applyControls(const ControlList &controls)
>                         bool modeValid = true;
>  
>                         switch (mode) {
> -                       case controls::FlickerOff:
> +                       case controls::AeFlickerModeOff:
>                                 agc->setFlickerPeriod(0us);
>  
>                                 break;
>  
> -                       case controls::FlickerManual:
> +                       case controls::AeFlickerModeManual:
>                                 agc->setFlickerPeriod(flickerState_.manualPeriod);
>  
>                                 break;
> @@ -1009,7 +1009,7 @@ void IpaBase::applyControls(const ControlList &controls)
>                          * We note that it makes no difference if the mode gets set to "manual"
>                          * first, and the period updated after, or vice versa.
>                          */
> -                       if (flickerState_.mode == controls::FlickerManual)
> +                       if (flickerState_.mode == controls::AeFlickerModeManual)
>                                 agc->setFlickerPeriod(flickerState_.manualPeriod);
>  
>                         break;
> diff --git a/src/libcamera/control_ids.cpp.in b/src/libcamera/control_ids.cpp.in
> index 65668d486..c80d12d01 100644
> --- a/src/libcamera/control_ids.cpp.in
> +++ b/src/libcamera/control_ids.cpp.in
> @@ -39,7 +39,7 @@ namespace {{vendor}} {
>   * \brief Supported {{ctrl.name}} values
>  {%- for enum in ctrl.enum_values %}
>   *
> - * \var {{enum.name}}
> + * \var {{enum.prefixed_name}}
>   * \brief {{enum.description|format_description}}
>  {%- endfor %}
>   */
> @@ -81,12 +81,12 @@ namespace {{vendor}} {
>  {% if ctrl.is_enum -%}
>  extern const std::array<const ControlValue, {{ctrl.enum_values_count}}> {{ctrl.name}}Values = {
>  {%- for enum in ctrl.enum_values %}
> -       static_cast<{{ctrl.type}}>({{enum.name}}),
> +       static_cast<{{ctrl.type}}>({{enum.prefixed_name}}),
>  {%- endfor %}
>  };
>  extern const std::map<std::string, {{ctrl.type}}> {{ctrl.name}}NameValueMap = {
>  {%- for enum in ctrl.enum_values %}
> -       { "{{enum.name}}", {{enum.name}} },
> +       { "{{enum.name}}", {{enum.prefixed_name}} },
>  {%- endfor %}
>  };
>  extern const Control<{{ctrl.type}}> {{ctrl.name}}({{ctrl.name|snake_case|upper}}, "{{ctrl.name}}", "{{vendor}}", {{ctrl.direction}}, {{ctrl.name}}NameValueMap);
> diff --git a/src/libcamera/control_ids_core.yaml b/src/libcamera/control_ids_core.yaml
> index aa7448645..97346973b 100644
> --- a/src/libcamera/control_ids_core.yaml
> +++ b/src/libcamera/control_ids_core.yaml
> @@ -42,7 +42,7 @@ controls:
>  
>          When both the exposure time and analogue gain values are configured to
>          be in Manual mode, the AEGC algorithm is quiescent and does not actively
> -        compute any value and the AeState control will report AeStateIdle.
> +        compute any value and the AeState control will report AeState.Idle.
>  
>          When at least the exposure time or analogue gain are configured to be
>          computed by the AEGC algorithm, the AeState control will report if the
> @@ -53,7 +53,7 @@ controls:
>          \sa ExposureTimeMode
>  
>        enum:
> -        - name: AeStateIdle
> +        - name: Idle
>            value: 0
>            description: |
>              The AEGC algorithm is inactive.
> @@ -61,7 +61,7 @@ controls:
>              This state is returned when both AnalogueGainMode and
>              ExposureTimeMode are set to Manual and the algorithm is not
>              actively computing any value.
> -        - name: AeStateSearching
> +        - name: Searching
>            value: 1
>            description: |
>              The AEGC algorithm is actively computing new values, for either the
> @@ -73,8 +73,8 @@ controls:
>  
>              The AEGC algorithm converges once stable values are computed for
>              all of the controls set to be computed in Auto mode. Once the
> -            algorithm converges the state is moved to AeStateConverged.
> -        - name: AeStateConverged
> +            algorithm converges the state is moved to AeState.Converged.
> +        - name: Converged
>            value: 2
>            description: |
>              The AEGC algorithm has converged.
> @@ -85,7 +85,7 @@ controls:
>  
>              If the measurements move too far away from the convergence point
>              then the AEGC algorithm might start adjusting again, in which case
> -            the state is moved to AeStateSearching.
> +            the state is moved to AeState.Searching.
>  
>    # AeMeteringMode needs further attention:
>    # - Auto-generate max enum value.
> @@ -100,16 +100,16 @@ controls:
>          determine the scene brightness. Metering modes may be platform specific
>          and not all metering modes may be supported.
>        enum:
> -        - name: MeteringCentreWeighted
> +        - name: CentreWeighted
>            value: 0
>            description: Centre-weighted metering mode.
> -        - name: MeteringSpot
> +        - name: Spot
>            value: 1
>            description: Spot metering mode.
> -        - name: MeteringMatrix
> +        - name: Matrix
>            value: 2
>            description: Matrix metering mode.
> -        - name: MeteringCustom
> +        - name: Custom
>            value: 3
>            description: Custom metering mode.
>  
> @@ -126,7 +126,7 @@ controls:
>          adjusted to reach the desired target exposure. Constraint modes may be
>          platform specific, and not all constraint modes may be supported.
>        enum:
> -        - name: ConstraintNormal
> +        - name: Normal
>            value: 0
>            description: |
>              Default constraint mode.
> @@ -135,7 +135,7 @@ controls:
>              image so as to reach a reasonable average level. However, highlights
>              in the image may appear over-exposed and lowlights may appear
>              under-exposed.
> -        - name: ConstraintHighlight
> +        - name: Highlight
>            value: 1
>            description: |
>              Highlight constraint mode.
> @@ -143,7 +143,7 @@ controls:
>              This mode adjusts the exposure levels in order to try and avoid
>              over-exposing the brightest parts (highlights) of an image.
>              Other non-highlight parts of the image may appear under-exposed.
> -        - name: ConstraintShadows
> +        - name: Shadows
>            value: 2
>            description: |
>              Shadows constraint mode.
> @@ -151,7 +151,7 @@ controls:
>              This mode adjusts the exposure levels in order to try and avoid
>              under-exposing the dark parts (shadows) of an image. Other normally
>              exposed parts of the image may appear over-exposed.
> -        - name: ConstraintCustom
> +        - name: Custom
>            value: 3
>            description: |
>              Custom constraint mode.
> @@ -176,16 +176,16 @@ controls:
>          \sa ExposureTimeMode
>  
>        enum:
> -        - name: ExposureNormal
> +        - name: Normal
>            value: 0
>            description: Default exposure mode.
> -        - name: ExposureShort
> +        - name: Short
>            value: 1
>            description: Exposure mode allowing only short exposure times.
> -        - name: ExposureLong
> +        - name: Long
>            value: 2
>            description: Exposure mode allowing long exposure times.
> -        - name: ExposureCustom
> +        - name: Custom
>            value: 3
>            description: Custom exposure mode.
>  
> @@ -244,7 +244,7 @@ controls:
>          or Auto is not supported by the camera), the camera should use a
>          best-effort default value.
>  
> -        If ExposureTimeModeManual is supported, the ExposureTime control must
> +        If ExposureTimeMode.Manual is supported, the ExposureTime control must
>          also be supported.
>  
>          Cameras that support manual control of the sensor shall support manual
> @@ -258,7 +258,7 @@ controls:
>  
>          \par Flickerless exposure mode transitions
>  
> -        Applications that wish to transition from ExposureTimeModeAuto to direct
> +        Applications that wish to transition from ExposureTimeMode.Auto to direct
>          control of the exposure time without causing extra flicker can do so by
>          selecting an ExposureTime value as close as possible to the last value
>          computed by the auto exposure algorithm in order to avoid any visible
> @@ -272,7 +272,7 @@ controls:
>          immediately specify an ExposureTime value in the same request where
>          ExposureTimeMode is set to Manual. They should instead wait for the
>          first Request where ExposureTimeMode is reported as
> -        ExposureTimeModeManual in the Request metadata, and use the reported
> +        ExposureTimeMode.Manual in the Request metadata, and use the reported
>          ExposureTime to populate the control value in the next Request to be
>          queued to the Camera.
>  
> @@ -295,7 +295,7 @@ controls:
>  
>          \sa ExposureTime
>        enum:
> -        - name: ExposureTimeModeAuto
> +        - name: Auto
>            value: 0
>            description: |
>              The exposure time will be calculated automatically and set by the
> @@ -306,7 +306,7 @@ controls:
>  
>              When transitioning from Manual to Auto mode, the AEGC should start
>              its adjustments based on the last set manual ExposureTime value.
> -        - name: ExposureTimeModeManual
> +        - name: Manual
>            value: 1
>            description: |
>              The exposure time will not be updated by the AE algorithm.
> @@ -356,7 +356,7 @@ controls:
>          or Auto is not supported by the camera), the camera should use a
>          best-effort default value.
>  
> -        If AnalogueGainModeManual is supported, the AnalogueGain control must
> +        If AnalogueGainMode.Manual is supported, the AnalogueGain control must
>          also be supported.
>  
>          For cameras where we have control over the ISP, both ExposureTimeMode
> @@ -376,7 +376,7 @@ controls:
>          \sa ExposureTimeMode
>          \sa AnalogueGain
>        enum:
> -        - name: AnalogueGainModeAuto
> +        - name: Auto
>            value: 0
>            description: |
>              The analogue gain will be calculated automatically and set by the
> @@ -387,7 +387,7 @@ controls:
>  
>              When transitioning from Manual to Auto mode, the AEGC should start
>              its adjustments based on the last set manual AnalogueGain value.
> -        - name: AnalogueGainModeManual
> +        - name: Manual
>            value: 1
>            description: |
>              The analogue gain will not be updated by the AEGC algorithm.
> @@ -418,11 +418,11 @@ controls:
>          supported, otherwise the flicker mode will be set to FlickerOff.
>  
>        enum:
> -        - name: FlickerOff
> +        - name: "Off"
>            value: 0
>            description: |
>              No flicker avoidance is performed.
> -        - name: FlickerManual
> +        - name: Manual
>            value: 1
>            description: |
>              Manual flicker avoidance.
> @@ -430,7 +430,7 @@ controls:
>              Suppress flicker effects caused by lighting running with a period
>              specified by the AeFlickerPeriod control.
>              \sa AeFlickerPeriod
> -        - name: FlickerAuto
> +        - name: Auto
>            value: 2
>            description: |
>              Automatic flicker period detection and avoidance.
> @@ -543,28 +543,28 @@ controls:
>          The modes supported are platform specific, and not all modes may be
>          supported.
>        enum:
> -        - name: AwbAuto
> +        - name: Auto
>            value: 0
>            description: Search over the whole colour temperature range.
> -        - name: AwbIncandescent
> +        - name: Incandescent
>            value: 1
>            description: Incandescent AWB lamp mode.
> -        - name: AwbTungsten
> +        - name: Tungsten
>            value: 2
>            description: Tungsten AWB lamp mode.
> -        - name: AwbFluorescent
> +        - name: Fluorescent
>            value: 3
>            description: Fluorescent AWB lamp mode.
> -        - name: AwbIndoor
> +        - name: Indoor
>            value: 4
>            description: Indoor AWB lighting mode.
> -        - name: AwbDaylight
> +        - name: Daylight
>            value: 5
>            description: Daylight AWB lighting mode.
> -        - name: AwbCloudy
> +        - name: Cloudy
>            value: 6
>            description: Cloudy AWB lighting mode.
> -        - name: AwbCustom
> +        - name: Custom
>            value: 7
>            description: Custom AWB mode.
>  
> @@ -801,7 +801,7 @@ controls:
>          An implementation may choose not to implement all the modes.
>  
>        enum:
> -        - name: AfModeManual
> +        - name: Manual
>            value: 0
>            description: |
>              The AF algorithm is in manual mode.
> @@ -809,15 +809,15 @@ controls:
>              In this mode it will never perform any action nor move the lens of
>              its own accord, but an application can specify the desired lens
>              position using the LensPosition control. The AfState will always
> -            report AfStateIdle.
> +            report AfState.Idle.
>  
> -            If the camera is started in AfModeManual, it will move the focus
> +            If the camera is started in AfMode.Manual, it will move the focus
>              lens to the position specified by the LensPosition control.
>  
>              This mode is the recommended default value for the AfMode control.
>              External cameras (as reported by the Location property set to
> -            CameraLocationExternal) may use a different default value.
> -        - name: AfModeAuto
> +            Location.External) may use a different default value.
> +        - name: Auto
>            value: 1
>            description: |
>              The AF algorithm is in auto mode.
> @@ -827,18 +827,18 @@ controls:
>              used to initiate a focus scan, the results of which will be
>              reported by AfState.
>  
> -            If the autofocus algorithm is moved from AfModeAuto to another mode
> +            If the autofocus algorithm is moved from AfMode.Auto to another mode
>              while a scan is in progress, the scan is cancelled immediately,
>              without waiting for the scan to finish.
>  
> -            When first entering this mode the AfState will report AfStateIdle.
> -            When a trigger control is sent, AfState will report AfStateScanning
> -            for a period before spontaneously changing to AfStateFocused or
> -            AfStateFailed, depending on the outcome of the scan. It will remain
> +            When first entering this mode the AfState will report AfState.Idle.
> +            When a trigger control is sent, AfState will report AfState.Scanning
> +            for a period before spontaneously changing to AfState.Focused or
> +            AfState.Failed, depending on the outcome of the scan. It will remain
>              in this state until another scan is initiated by the AfTrigger
>              control. If a scan is cancelled (without changing to another mode),
> -            AfState will return to AfStateIdle.
> -        - name: AfModeContinuous
> +            AfState will return to AfState.Idle.
> +        - name: Continuous
>            value: 2
>            description: |
>              The AF algorithm is in continuous mode.
> @@ -853,9 +853,9 @@ controls:
>              scanning by using the AfPause control. This allows video or still
>              images to be captured whilst guaranteeing that the focus is fixed.
>  
> -            When set to AfModeContinuous, the system will immediately initiate a
> -            scan so AfState will report AfStateScanning, and will settle on one
> -            of AfStateFocused or AfStateFailed, depending on the scan result.
> +            When set to AfMode.Continuous, the system will immediately initiate a
> +            scan so AfState will report AfState.Scanning, and will settle on one
> +            of AfState.Focused or AfState.Failed, depending on the scan result.
>  
>    - AfRange:
>        type: int32_t
> @@ -865,7 +865,7 @@ controls:
>  
>          An implementation may choose not to implement all the options here.
>        enum:
> -        - name: AfRangeNormal
> +        - name: Normal
>            value: 0
>            description: |
>              A wide range of focus distances is scanned.
> @@ -873,16 +873,16 @@ controls:
>              Scanned distances cover all the way from infinity down to close
>              distances, though depending on the implementation, possibly not
>              including the very closest macro positions.
> -        - name: AfRangeMacro
> +        - name: Macro
>            value: 1
>            description: |
>              Only close distances are scanned.
> -        - name: AfRangeFull
> +        - name: Full
>            value: 2
>            description: |
>              The full range of focus distances is scanned.
>  
> -            This range is similar to AfRangeNormal but includes the very
> +            This range is similar to Normal but includes the very
>              closest macro positions.
>  
>    - AfSpeed:
> @@ -897,10 +897,10 @@ controls:
>          capture) it may be helpful to move the lens as quickly as is reasonably
>          possible.
>        enum:
> -        - name: AfSpeedNormal
> +        - name: Normal
>            value: 0
>            description: Move the lens at its usual speed.
> -        - name: AfSpeedFast
> +        - name: Fast
>            value: 1
>            description: Move the lens more quickly.
>  
> @@ -910,11 +910,11 @@ controls:
>        description: |
>          The parts of the image used by the AF algorithm to measure focus.
>        enum:
> -        - name: AfMeteringAuto
> +        - name: Auto
>            value: 0
>            description: |
>              Let the AF algorithm decide for itself where it will measure focus.
> -        - name: AfMeteringWindows
> +        - name: Windows
>            value: 1
>            description: |
>              Use the rectangles defined by the AfWindows control to measure focus.
> @@ -957,19 +957,19 @@ controls:
>        description: |
>          Start an autofocus scan.
>  
> -        This control starts an autofocus scan when AfMode is set to AfModeAuto,
> -        and is ignored if AfMode is set to AfModeManual or AfModeContinuous. It
> +        This control starts an autofocus scan when AfMode is set to AfMode.Auto,
> +        and is ignored if AfMode is set to AfMode.Manual or AfMode.Continuous. It
>          can also be used to terminate a scan early.
>  
>        enum:
> -        - name: AfTriggerStart
> +        - name: Start
>            value: 0
>            description: |
>              Start an AF scan.
>  
> -            Setting the control to AfTriggerStart is ignored if a scan is in
> +            Setting the control to AfTrigger.Start is ignored if a scan is in
>              progress.
> -        - name: AfTriggerCancel
> +        - name: Cancel
>            value: 1
>            description: |
>              Cancel an AF scan.
> @@ -984,43 +984,43 @@ controls:
>          Pause lens movements when in continuous autofocus mode.
>  
>          This control has no effect except when in continuous autofocus mode
> -        (AfModeContinuous). It can be used to pause any lens movements while
> +        (AfMode.Continuous). It can be used to pause any lens movements while
>          (for example) images are captured. The algorithm remains inactive
>          until it is instructed to resume.
>  
>        enum:
> -        - name: AfPauseImmediate
> +        - name: Immediate
>            value: 0
>            description: |
>              Pause the continuous autofocus algorithm immediately.
>  
>              The autofocus algorithm is paused whether or not any kind of scan
>              is underway. AfPauseState will subsequently report
> -            AfPauseStatePaused. AfState may report any of AfStateScanning,
> -            AfStateFocused or AfStateFailed, depending on the algorithm's state
> +            AfPauseState.Paused. AfState may report any of AfState.Scanning,
> +            AfState.Focused or AfState.Failed, depending on the algorithm's state
>              when it received this control.
> -        - name: AfPauseDeferred
> +        - name: Deferred
>            value: 1
>            description: |
>              Pause the continuous autofocus algorithm at the end of the scan.
>  
> -            This is similar to AfPauseImmediate, and if the AfState is
> -            currently reporting AfStateFocused or AfStateFailed it will remain
> -            in that state and AfPauseState will report AfPauseStatePaused.
> +            This is similar to AfPause.Immediate, and if the AfState is
> +            currently reporting AfState.Focused or AfState.Failed it will remain
> +            in that state and AfPauseState will report AfPauseState.Paused.
>  
> -            However, if the algorithm is scanning (AfStateScanning),
> -            AfPauseState will report AfPauseStatePausing until the scan is
> -            finished, at which point AfState will report one of AfStateFocused
> -            or AfStateFailed, and AfPauseState will change to
> -            AfPauseStatePaused.
> +            However, if the algorithm is scanning (AfState.Scanning),
> +            AfPauseState will report AfPauseState.Pausing until the scan is
> +            finished, at which point AfState will report one of AfState.Focused
> +            or AfState.Failed, and AfPauseState will change to
> +            AfPauseState.Paused.
>  
> -        - name: AfPauseResume
> +        - name: Resume
>            value: 2
>            description: |
>              Resume continuous autofocus operation.
>  
>              The algorithm starts again from exactly where it left off, and
> -            AfPauseState will report AfPauseStateRunning.
> +            AfPauseState will report AfPauseState.Running.
>  
>    - LensPosition:
>        type: float
> @@ -1032,7 +1032,7 @@ controls:
>          also reports back the position of the lens for each frame.
>  
>          The LensPosition control is ignored unless the AfMode is set to
> -        AfModeManual, though the value is reported back unconditionally in all
> +        AfMode.Manual, though the value is reported back unconditionally in all
>          modes.
>  
>          This value, which is generally a non-integer, is the reciprocal of the
> @@ -1069,50 +1069,50 @@ controls:
>          though we note the following state transitions that occur when the
>          AfMode is changed.
>  
> -        If the AfMode is set to AfModeManual, then the AfState will always
> -        report AfStateIdle (even if the lens is subsequently moved). Changing
> -        to the AfModeManual state does not initiate any lens movement.
> +        If the AfMode is set to AfMode.Manual, then the AfState will always
> +        report AfState.Idle (even if the lens is subsequently moved). Changing
> +        to the AfMode.Manual state does not initiate any lens movement.
>  
> -        If the AfMode is set to AfModeAuto then the AfState will report
> -        AfStateIdle. However, if AfModeAuto and AfTriggerStart are sent
> -        together then AfState will omit AfStateIdle and move straight to
> -        AfStateScanning (and start a scan).
> +        If the AfMode is set to AfMode.Auto then the AfState will report
> +        AfState.Idle. However, if AfMode.Auto and AfTrigger.Start are sent
> +        together then AfState will omit AfState.Idle and move straight to
> +        AfState.Scanning (and start a scan).
>  
> -        If the AfMode is set to AfModeContinuous then the AfState will
> -        initially report AfStateScanning.
> +        If the AfMode is set to AfMode.Continuous then the AfState will
> +        initially report AfState.Scanning.
>  
>        enum:
> -        - name: AfStateIdle
> +        - name: Idle
>            value: 0
>            description: |
> -            The AF algorithm is in manual mode (AfModeManual) or in auto mode
> -            (AfModeAuto) and a scan has not yet been triggered, or an
> +            The AF algorithm is in manual mode (AfMode.Manual) or in auto mode
> +            (AfMode.Auto) and a scan has not yet been triggered, or an
>              in-progress scan was cancelled.
> -        - name: AfStateScanning
> +        - name: Scanning
>            value: 1
>            description: |
> -            The AF algorithm is in auto mode (AfModeAuto), and a scan has been
> +            The AF algorithm is in auto mode (AfMode.Auto), and a scan has been
>              started using the AfTrigger control.
>  
> -            The scan can be cancelled by sending AfTriggerCancel at which point
> -            the algorithm will either move back to AfStateIdle or, if the scan
> +            The scan can be cancelled by sending AfTrigger.Cancel at which point
> +            the algorithm will either move back to AfState.Idle or, if the scan
>              actually completes before the cancel request is processed, to one
> -            of AfStateFocused or AfStateFailed.
> +            of AfState.Focused or AfState.Failed.
>  
>              Alternatively the AF algorithm could be in continuous mode
> -            (AfModeContinuous) at which point it may enter this state
> +            (AfMode.Continuous) at which point it may enter this state
>              spontaneously whenever it determines that a rescan is needed.
> -        - name: AfStateFocused
> +        - name: Focused
>            value: 2
>            description: |
> -            The AF algorithm is in auto (AfModeAuto) or continuous
> -            (AfModeContinuous) mode and a scan has completed with the result
> +            The AF algorithm is in auto (AfMode.Auto) or continuous
> +            (AfMode.Continuous) mode and a scan has completed with the result
>              that the algorithm believes the image is now in focus.
> -        - name: AfStateFailed
> +        - name: Failed
>            value: 3
>            description: |
> -            The AF algorithm is in auto (AfModeAuto) or continuous
> -            (AfModeContinuous) mode and a scan has completed with the result
> +            The AF algorithm is in auto (AfMode.Auto) or continuous
> +            (AfMode.Continuous) mode and a scan has completed with the result
>              that the algorithm did not find a good focus position.
>  
>    - AfPauseState:
> @@ -1121,29 +1121,29 @@ controls:
>        description: |
>          Report whether the autofocus is currently running, paused or pausing.
>  
> -        This control is only applicable in continuous (AfModeContinuous) mode,
> +        This control is only applicable in continuous (AfMode.Continuous) mode,
>          and reports whether the algorithm is currently running, paused or
>          pausing (that is, will pause as soon as any in-progress scan
>          completes).
>  
> -        Any change to AfMode will cause AfPauseStateRunning to be reported.
> +        Any change to AfMode will cause AfPauseState.Running to be reported.
>  
>        enum:
> -        - name: AfPauseStateRunning
> +        - name: Running
>            value: 0
>            description: |
>              Continuous AF is running and the algorithm may restart a scan
>              spontaneously.
> -        - name: AfPauseStatePausing
> +        - name: Pausing
>            value: 1
>            description: |
>              Continuous AF has been sent an AfPauseDeferred control, and will
>              pause as soon as any in-progress scan completes.
>  
>              When the scan completes, the AfPauseState control will report
> -            AfPauseStatePaused. No new scans will be start spontaneously until
> +            AfPauseState.Paused. No new scans will be start spontaneously until
>              the AfPauseResume control is sent.
> -        - name: AfPauseStatePaused
> +        - name: Paused
>            value: 2
>            description: |
>              Continuous AF is paused.
> @@ -1170,13 +1170,13 @@ controls:
>          \sa HdrChannel
>  
>        enum:
> -        - name: HdrModeOff
> +        - name: "Off"
>            value: 0
>            description: |
>              HDR is disabled.
>  
>              Metadata for this frame will not include the HdrChannel control.
> -        - name: HdrModeMultiExposureUnmerged
> +        - name: MultiExposureUnmerged
>            value: 1
>            description: |
>              Multiple exposures will be generated in an alternating fashion.
> @@ -1188,7 +1188,7 @@ controls:
>  
>              The expectation is that an application using this mode would merge
>              the frames to create HDR images for itself if it requires them.
> -        - name: HdrModeMultiExposure
> +        - name: MultiExposure
>            value: 2
>            description: |
>              Multiple exposures will be generated and merged to create HDR
> @@ -1201,7 +1201,7 @@ controls:
>              alternately as the short and long channel. Systems that use three
>              channels for HDR will cycle through the short, medium and long
>              channel before repeating.
> -        - name: HdrModeSingleExposure
> +        - name: SingleExposure
>            value: 3
>            description: |
>              Multiple frames all at a single exposure will be used to create HDR
> @@ -1209,7 +1209,7 @@ controls:
>  
>              These images should be reported as all corresponding to the HDR
>              short channel.
> -        - name: HdrModeNight
> +        - name: Night
>            value: 4
>            description: |
>              Multiple frames will be combined to produce "night mode" images.
> @@ -1235,20 +1235,20 @@ controls:
>          \sa HdrMode
>  
>        enum:
> -        - name: HdrChannelNone
> +        - name: None
>            value: 0
>            description: |
>              This image does not correspond to any of the captures used to create
>              an HDR image.
> -        - name: HdrChannelShort
> +        - name: Short
>            value: 1
>            description: |
>              This is a short exposure image.
> -        - name: HdrChannelMedium
> +        - name: Medium
>            value: 2
>            description: |
>              This is a medium exposure image.
> -        - name: HdrChannelLong
> +        - name: Long
>            value: 3
>            description: |
>              This is a long exposure image.
> diff --git a/src/libcamera/control_ids_draft.yaml b/src/libcamera/control_ids_draft.yaml
> index 03309eeac..c72675909 100644
> --- a/src/libcamera/control_ids_draft.yaml
> +++ b/src/libcamera/control_ids_draft.yaml
> @@ -18,13 +18,13 @@ controls:
>          Whether the camera device will trigger a precapture metering sequence
>          when it processes this request.
>        enum:
> -        - name: AePrecaptureTriggerIdle
> +        - name: Idle
>            value: 0
>            description: The trigger is idle.
> -        - name: AePrecaptureTriggerStart
> +        - name: Start
>            value: 1
>            description: The pre-capture AE metering is started by the camera.
> -        - name: AePrecaptureTriggerCancel
> +        - name: Cancel
>            value: 2
>            description: |
>              The camera will cancel any active or completed metering sequence.
> @@ -39,22 +39,22 @@ controls:
>  
>          Mode of operation for the noise reduction algorithm.
>        enum:
> -        - name: NoiseReductionModeOff
> +        - name: "Off"
>            value: 0
>            description: No noise reduction is applied
> -        - name: NoiseReductionModeFast
> +        - name: Fast
>            value: 1
>            description: |
>              Noise reduction is applied without reducing the frame rate.
> -        - name: NoiseReductionModeHighQuality
> +        - name: HighQuality
>            value: 2
>            description: |
>              High quality noise reduction at the expense of frame rate.
> -        - name: NoiseReductionModeMinimal
> +        - name: Minimal
>            value: 3
>            description: |
>              Minimal noise reduction is applied without reducing the frame rate.
> -        - name: NoiseReductionModeZSL
> +        - name: ZSL
>            value: 4
>            description: |
>              Noise reduction is applied at different levels to different streams.
> @@ -68,13 +68,13 @@ controls:
>  
>          Mode of operation for the chromatic aberration correction algorithm.
>        enum:
> -        - name: ColorCorrectionAberrationOff
> +        - name: "Off"
>            value: 0
>            description: No aberration correction is applied.
> -        - name: ColorCorrectionAberrationFast
> +        - name: Fast
>            value: 1
>            description: Aberration correction will not slow down the frame rate.
> -        - name: ColorCorrectionAberrationHighQuality
> +        - name: HighQuality
>            value: 2
>            description: |
>              High quality aberration correction which might reduce the frame
> @@ -89,16 +89,16 @@ controls:
>  
>          Current state of the AWB algorithm.
>        enum:
> -        - name: AwbStateInactive
> +        - name: Inactive
>            value: 0
>            description: The AWB algorithm is inactive.
> -        - name: AwbStateSearching
> +        - name: Searching
>            value: 1
>            description: The AWB algorithm has not converged yet.
> -        - name: AwbConverged
> +        - name: Converged
>            value: 2
>            description: The AWB algorithm has converged.
> -        - name: AwbLocked
> +        - name: Locked
>            value: 3
>            description: The AWB algorithm is locked.
>  
> @@ -117,10 +117,10 @@ controls:
>         Control to report if the lens shading map is available. Currently
>         identical to ANDROID_STATISTICS_LENS_SHADING_MAP_MODE.
>        enum:
> -        - name: LensShadingMapModeOff
> +        - name: "Off"
>            value: 0
>            description: No lens shading map mode is available.
> -        - name: LensShadingMapModeOn
> +        - name: "On"
>            value: 1
>            description: The lens shading map mode is available.
>  
> @@ -156,18 +156,18 @@ controls:
>          Control to select the test pattern mode. Currently identical to
>          ANDROID_SENSOR_TEST_PATTERN_MODE.
>        enum:
> -        - name: TestPatternModeOff
> +        - name: "Off"
>            value: 0
>            description: |
>              No test pattern mode is used. The camera device returns frames from
>              the image sensor.
> -        - name: TestPatternModeSolidColor
> +        - name: SolidColor
>            value: 1
>            description: |
>              Each pixel in [R, G_even, G_odd, B] is replaced by its respective
>              color channel provided in test pattern data.
>              \todo Add control for test pattern data.
> -        - name: TestPatternModeColorBars
> +        - name: ColorBars
>            value: 2
>            description: |
>              All pixel data is replaced with an 8-bar color pattern. The vertical
> @@ -177,10 +177,10 @@ controls:
>              should be rounded down to the nearest integer and the pattern can
>              repeat on the right side. Each bar's height must always take up the
>              full sensor pixel array height.
> -        - name: TestPatternModeColorBarsFadeToGray
> +        - name: ColorBarsFadeToGray
>            value: 3
>            description: |
> -            The test pattern is similar to TestPatternModeColorBars,
> +            The test pattern is similar to TestPatternMode.ColorBars,
>              except that each bar should start at its specified color at the top
>              and fade to gray at the bottom. Furthermore each bar is further
>              subdevided into a left and right half. The left half should have a
> @@ -191,7 +191,7 @@ controls:
>              from the most significant bits of the smooth gradient. The height of
>              each bar should always be a multiple of 128. When this is not the
>              case, the pattern should repeat at the bottom of the image.
> -        - name: TestPatternModePn9
> +        - name: Pn9
>            value: 4
>            description: |
>              All pixel data is replaced by a pseudo-random sequence generated
> @@ -199,7 +199,7 @@ controls:
>              a linear feedback shift register). The generator should be reset at
>              the beginning of each frame, and thus each subsequent raw frame with
>              this test pattern should be exactly the same as the last.
> -        - name: TestPatternModeCustom1
> +        - name: Custom1
>            value: 256
>            description: |
>              The first custom test pattern. All custom patterns that are
> @@ -221,19 +221,19 @@ controls:
>          \sa FaceDetectFaceIds
>  
>        enum:
> -        - name: FaceDetectModeOff
> +        - name: "Off"
>            value: 0
>            description: |
>              Pipeline doesn't perform face detection and doesn't report any
>              control related to face detection.
> -        - name: FaceDetectModeSimple
> +        - name: Simple
>            value: 1
>            description: |
>              Pipeline performs face detection and reports the
>              FaceDetectFaceRectangles and FaceDetectFaceScores controls for each
>              detected face. FaceDetectFaceLandmarks and FaceDetectFaceIds are
>              optional.
> -        - name: FaceDetectModeFull
> +        - name: Full
>            value: 2
>            description: |
>              Pipeline performs face detection and reports all the controls
> diff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
> index 586e932d2..4273b8ef9 100644
> --- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
> +++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
> @@ -570,7 +570,7 @@ int UVCCameraData::init(MediaDevice *media)
>          * come from the ACPI _PLD, but that may be even more unreliable than
>          * the _UPC.
>          */
> -       properties::LocationEnum location = properties::CameraLocationExternal;
> +       properties::LocationEnum location = properties::LocationExternal;
>         std::ifstream file(video_->devicePath() + "/../removable");
>         if (file.is_open()) {
>                 std::string value;
> @@ -578,7 +578,7 @@ int UVCCameraData::init(MediaDevice *media)
>                 file.close();
>  
>                 if (value == "fixed")
> -                       location = properties::CameraLocationFront;
> +                       location = properties::LocationFront;
>         }
>  
>         properties_.set(properties::Location, location);
> diff --git a/src/libcamera/pipeline/virtual/README.md b/src/libcamera/pipeline/virtual/README.md
> index a9f39c151..c14d3b6da 100644
> --- a/src/libcamera/pipeline/virtual/README.md
> +++ b/src/libcamera/pipeline/virtual/README.md
> @@ -36,7 +36,7 @@ Each camera block is a dictionary, containing the following keys:
>      - The path to a directory ends with "/". The name of the images in the
>        directory are "{n}.jpg" with {n} is the sequence of images starting with 0.
>  - `location` (`string`, default="front"): The location of the camera. Support
> -  "CameraLocationFront", "CameraLocationBack", and "CameraLocationExternal".
> +  "Front", "Back", and "External".
>  - `model` (`string`, default="Unknown"): The model name of the camera.
>  
>  Check `data/virtual.yaml` as the sample config file.
> diff --git a/src/libcamera/pipeline/virtual/config_parser.cpp b/src/libcamera/pipeline/virtual/config_parser.cpp
> index d9900add6..f56cb80a1 100644
> --- a/src/libcamera/pipeline/virtual/config_parser.cpp
> +++ b/src/libcamera/pipeline/virtual/config_parser.cpp
> @@ -233,9 +233,9 @@ int ConfigParser::parseFrameGenerator(const YamlObject &cameraConfigData, Virtua
>  
>  int ConfigParser::parseLocation(const YamlObject &cameraConfigData, VirtualCameraData *data)
>  {
> -       std::string location = cameraConfigData["location"].get<std::string>("CameraLocationFront");
> +       std::string location = cameraConfigData["location"].get<std::string>("Front");
>  
> -       /* Default value is properties::CameraLocationFront */
> +       /* Default value is properties::LocationFront */
>         auto it = properties::LocationNameValueMap.find(location);
>         if (it == properties::LocationNameValueMap.end()) {
>                 LOG(Virtual, Error)
> diff --git a/src/libcamera/pipeline/virtual/data/virtual.yaml b/src/libcamera/pipeline/virtual/data/virtual.yaml
> index 20471bb94..767107bbe 100644
> --- a/src/libcamera/pipeline/virtual/data/virtual.yaml
> +++ b/src/libcamera/pipeline/virtual/data/virtual.yaml
> @@ -14,7 +14,7 @@
>      - 70
>      - 80
>    test_pattern: "lines"
> -  location: "CameraLocationFront"
> +  location: "Front"
>    model: "Virtual Video Device"
>  "Virtual1":
>    supported_formats:
> @@ -23,14 +23,14 @@
>      frame_rates:
>      - 60
>    test_pattern: "bars"
> -  location: "CameraLocationBack"
> +  location: "Back"
>    model: "Virtual Video Device1"
>  "Virtual2":
>    supported_formats:
>    - width: 400
>      height: 300
>    test_pattern: "lines"
> -  location: "CameraLocationFront"
> +  location: "Front"
>    model: "Virtual Video Device2"
>  "Virtual3":
>    test_pattern: "bars"
> diff --git a/src/libcamera/property_ids_core.yaml b/src/libcamera/property_ids_core.yaml
> index 834454a4e..f1da19ca3 100644
> --- a/src/libcamera/property_ids_core.yaml
> +++ b/src/libcamera/property_ids_core.yaml
> @@ -11,17 +11,17 @@ controls:
>        description: |
>          Camera mounting location
>        enum:
> -        - name: CameraLocationFront
> +        - name: Front
>            value: 0
>            description: |
>              The camera is mounted on the front side of the device, facing the
>              user
> -        - name: CameraLocationBack
> +        - name: Back
>            value: 1
>            description: |
>              The camera is mounted on the back side of the device, facing away
>              from the user
> -        - name: CameraLocationExternal
> +        - name: External
>            value: 2
>            description: |
>              The camera is attached to the device in a way that allows it to
> diff --git a/src/libcamera/sensor/camera_sensor_legacy.cpp b/src/libcamera/sensor/camera_sensor_legacy.cpp
> index 32989c19c..1a10ec227 100644
> --- a/src/libcamera/sensor/camera_sensor_legacy.cpp
> +++ b/src/libcamera/sensor/camera_sensor_legacy.cpp
> @@ -580,13 +580,13 @@ int CameraSensorLegacy::initProperties()
>                                 << v4l2Orientation << ", setting to External";
>                         [[fallthrough]];
>                 case V4L2_CAMERA_ORIENTATION_EXTERNAL:
> -                       propertyValue = properties::CameraLocationExternal;
> +                       propertyValue = properties::LocationExternal;
>                         break;
>                 case V4L2_CAMERA_ORIENTATION_FRONT:
> -                       propertyValue = properties::CameraLocationFront;
> +                       propertyValue = properties::LocationFront;
>                         break;
>                 case V4L2_CAMERA_ORIENTATION_BACK:
> -                       propertyValue = properties::CameraLocationBack;
> +                       propertyValue = properties::LocationBack;
>                         break;
>                 }
>                 properties_.set(properties::Location, propertyValue);
> @@ -627,19 +627,19 @@ int CameraSensorLegacy::initProperties()
>                 int32_t cfa;
>                 switch (bayerFormat_->order) {
>                 case BayerFormat::BGGR:
> -                       cfa = properties::draft::BGGR;
> +                       cfa = properties::draft::ColorFilterArrangementBGGR;
>                         break;
>                 case BayerFormat::GBRG:
> -                       cfa = properties::draft::GBRG;
> +                       cfa = properties::draft::ColorFilterArrangementGBRG;
>                         break;
>                 case BayerFormat::GRBG:
> -                       cfa = properties::draft::GRBG;
> +                       cfa = properties::draft::ColorFilterArrangementGRBG;
>                         break;
>                 case BayerFormat::RGGB:
> -                       cfa = properties::draft::RGGB;
> +                       cfa = properties::draft::ColorFilterArrangementRGGB;
>                         break;
>                 case BayerFormat::MONO:
> -                       cfa = properties::draft::MONO;
> +                       cfa = properties::draft::ColorFilterArrangementMONO;
>                         break;
>                 }
>  
> @@ -900,7 +900,7 @@ int CameraSensorLegacy::sensorInfo(IPACameraSensorInfo *info) const
>         info->outputSize = format.size;
>  
>         std::optional<int32_t> cfa = properties_.get(properties::draft::ColorFilterArrangement);
> -       info->cfaPattern = cfa ? *cfa : properties::draft::RGB;
> +       info->cfaPattern = cfa ? *cfa : properties::draft::ColorFilterArrangementRGB;
>  
>         /*
>          * Retrieve the pixel rate, line length and minimum/maximum frame
> diff --git a/src/libcamera/sensor/camera_sensor_raw.cpp b/src/libcamera/sensor/camera_sensor_raw.cpp
> index ab75b1f82..e6bcd583c 100644
> --- a/src/libcamera/sensor/camera_sensor_raw.cpp
> +++ b/src/libcamera/sensor/camera_sensor_raw.cpp
> @@ -585,13 +585,13 @@ int CameraSensorRaw::initProperties()
>                                 << v4l2Orientation << ", setting to External";
>                         [[fallthrough]];
>                 case V4L2_CAMERA_ORIENTATION_EXTERNAL:
> -                       propertyValue = properties::CameraLocationExternal;
> +                       propertyValue = properties::LocationExternal;
>                         break;
>                 case V4L2_CAMERA_ORIENTATION_FRONT:
> -                       propertyValue = properties::CameraLocationFront;
> +                       propertyValue = properties::LocationFront;
>                         break;
>                 case V4L2_CAMERA_ORIENTATION_BACK:
> -                       propertyValue = properties::CameraLocationBack;
> +                       propertyValue = properties::LocationBack;
>                         break;
>                 }
>                 properties_.set(properties::Location, propertyValue);
> @@ -632,20 +632,20 @@ int CameraSensorRaw::initProperties()
>  
>         switch (cfaPattern_) {
>         case BayerFormat::BGGR:
> -               cfa = properties::draft::BGGR;
> +               cfa = properties::draft::ColorFilterArrangementBGGR;
>                 break;
>         case BayerFormat::GBRG:
> -               cfa = properties::draft::GBRG;
> +               cfa = properties::draft::ColorFilterArrangementGBRG;
>                 break;
>         case BayerFormat::GRBG:
> -               cfa = properties::draft::GRBG;
> +               cfa = properties::draft::ColorFilterArrangementGRBG;
>                 break;
>         case BayerFormat::RGGB:
> -               cfa = properties::draft::RGGB;
> +               cfa = properties::draft::ColorFilterArrangementRGGB;
>                 break;
>         case BayerFormat::MONO:
>         default:
> -               cfa = properties::draft::MONO;
> +               cfa = properties::draft::ColorFilterArrangementMONO;
>                 break;
>         }
>  
> @@ -1015,7 +1015,7 @@ int CameraSensorRaw::sensorInfo(IPACameraSensorInfo *info) const
>         info->outputSize = format.size;
>  
>         std::optional<int32_t> cfa = properties_.get(properties::draft::ColorFilterArrangement);
> -       info->cfaPattern = cfa ? *cfa : properties::draft::RGB;
> +       info->cfaPattern = cfa ? *cfa : properties::draft::ColorFilterArrangementRGB;
>  
>         /*
>          * Retrieve the pixel rate, line length and minimum/maximum frame
> diff --git a/src/py/libcamera/gen-py-controls.py b/src/py/libcamera/gen-py-controls.py
> index d43a7c1c7..a72521d62 100755
> --- a/src/py/libcamera/gen-py-controls.py
> +++ b/src/py/libcamera/gen-py-controls.py
> @@ -11,18 +11,6 @@ import yaml
>  from controls import Control
>  
>  
> -def find_common_prefix(strings):
> -    prefix = strings[0]
> -
> -    for string in strings[1:]:
> -        while string[:len(prefix)] != prefix and prefix:
> -            prefix = prefix[:len(prefix) - 1]
> -        if not prefix:
> -            break
> -
> -    return prefix
> -
> -
>  def extend_control(ctrl, mode):
>      if ctrl.vendor != 'libcamera':
>          ctrl.klass = ctrl.vendor
> @@ -31,22 +19,6 @@ def extend_control(ctrl, mode):
>          ctrl.klass = mode
>          ctrl.namespace = ''
>  
> -    if not ctrl.is_enum:
> -        return ctrl
> -
> -    if mode == 'controls':
> -        # Adjustments for controls
> -        if ctrl.name == 'LensShadingMapMode':
> -            prefix = 'LensShadingMapMode'
> -        else:
> -            prefix = find_common_prefix([e.name for e in ctrl.enum_values])
> -    else:
> -        # Adjustments for properties
> -        prefix = find_common_prefix([e.name for e in ctrl.enum_values])
> -
> -    for enum in ctrl.enum_values:
> -        enum.py_name = enum.name[len(prefix):]
> -
>      return ctrl
>  
>  
> diff --git a/src/py/libcamera/py_controls_generated.cpp.in b/src/py/libcamera/py_controls_generated.cpp.in
> index 22a132d19..b1a2817a5 100644
> --- a/src/py/libcamera/py_controls_generated.cpp.in
> +++ b/src/py/libcamera/py_controls_generated.cpp.in
> @@ -39,7 +39,7 @@ void init_py_{{mode}}_generated(py::module& m)
>  
>          py::enum_<libcamera::{{mode}}::{{ctrl.namespace}}{{ctrl.name}}Enum>({{ctrl.klass}}, "{{ctrl.name}}Enum")
>  {%- for enum in ctrl.enum_values %}
> -                .value("{{enum.py_name}}", libcamera::{{mode}}::{{ctrl.namespace}}{{enum.name}})
> +                .value("{{enum.name}}", libcamera::{{mode}}::{{ctrl.namespace}}{{enum.prefixed_name}})
>  {%- endfor %}
>          ;
>  {%- endif %}
> diff --git a/utils/codegen/controls.py b/utils/codegen/controls.py
> index e51610481..c2b9d171c 100644
> --- a/utils/codegen/controls.py
> +++ b/utils/codegen/controls.py
> @@ -21,6 +21,11 @@ class ControlEnum(object):
>          """The enum name"""
>          return self.__data.get('name')
>  
> +    @property
> +    def prefixed_name(self):
> +        """The prefixed enum name"""
> +        return self.__data.get('prefixed_name')
> +
>      @property
>      def value(self):
>          """The enum value"""
> @@ -37,7 +42,19 @@ class Control(object):
>  
>          enum_values = data.get('enum')
>          if enum_values is not None:
> -            self.__enum_values = [ControlEnum(enum) for enum in enum_values]
> +            for enum in enum_values:
> +                ename = enum['name']
> +                if type(ename) is not str:
> +                    raise ValueError(f'Control `{self.__name}` has an enumeration with a non-string name (values {enum["value"]}).')
> +                if not ename[0].isupper():
> +                    raise ValueError(f'Control `{self.__name}` enumeration `{ename}` must start with an uppercase letter.')
> +                if ename.startswith(name):
> +                    raise ValueError(f'Control `{self.__name}` enumeration `{ename}` must not be prefixed with the control name.')
> +
> +            self.__enum_values = [ControlEnum({
> +                **enum,
> +                'prefixed_name': name + enum['name'],
> +            }) for enum in enum_values]
>  
>          size = self.__data.get('size')
>          if size is not None:
> diff --git a/utils/codegen/gen-gst-controls.py b/utils/codegen/gen-gst-controls.py
> index 4ca76049e..43e869c07 100755
> --- a/utils/codegen/gen-gst-controls.py
> +++ b/utils/codegen/gen-gst-controls.py
> @@ -29,18 +29,6 @@ exposed_controls = [
>  ]
>  
>  
> -def find_common_prefix(strings):
> -    prefix = strings[0]
> -
> -    for string in strings[1:]:
> -        while string[:len(prefix)] != prefix and prefix:
> -            prefix = prefix[:len(prefix) - 1]
> -        if not prefix:
> -            break
> -
> -    return prefix
> -
> -
>  def format_description(description):
>      # Substitute doxygen keywords \sa (see also) and \todo
>      description = re.sub(r'\\sa((?: \w+)+)',
> @@ -94,11 +82,6 @@ def extend_control(ctrl):
>      ctrl.is_array = ctrl.size is not None
>  
>      if ctrl.is_enum:
> -        # Remove common prefix from enum variant names
> -        prefix = find_common_prefix([enum.name for enum in ctrl.enum_values])
> -        for enum in ctrl.enum_values:
> -            enum.gst_name = kebab_case(enum.name.removeprefix(prefix))
> -
>          ctrl.gtype = 'enum'
>          ctrl.default = '0'
>      elif ctrl.element_type == 'bool':
> -- 
> 2.49.0
>


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