[PATCH 4/5] pipeline: rpi: common: Add wallclock timestamp support

[Kieran Bingham]

Quoting David Plowman (2024-12-06 14:27:41)
> A ClockRecovery object is added for derived classes to use, and
> wallclock timetamps are copied into the request metadata for
> applications.
> 
> Signed-off-by: David Plowman <david.plowman at raspberrypi.com>
> ---
>  src/libcamera/pipeline/rpi/common/pipeline_base.cpp | 2 ++
>  src/libcamera/pipeline/rpi/common/pipeline_base.h   | 3 +++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp
> index 6f278b29..34971973 100644
> --- a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp
> +++ b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp
> @@ -1509,6 +1509,8 @@ void CameraData::fillRequestMetadata(const ControlList &bufferControls, Request
>  {
>         request->metadata().set(controls::SensorTimestamp,
>                                 bufferControls.get(controls::SensorTimestamp).value_or(0));
> +       request->metadata().set(controls::FrameWallClock,
> +                               bufferControls.get(controls::FrameWallClock).value_or(0));
>  
>         if (cropParams_.size()) {
>                 std::vector<Rectangle> crops;
> diff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.h b/src/libcamera/pipeline/rpi/common/pipeline_base.h
> index aae0c2f3..9aa591d6 100644
> --- a/src/libcamera/pipeline/rpi/common/pipeline_base.h
> +++ b/src/libcamera/pipeline/rpi/common/pipeline_base.h
> @@ -20,6 +20,7 @@
>  #include "libcamera/internal/bayer_format.h"
>  #include "libcamera/internal/camera.h"
>  #include "libcamera/internal/camera_sensor.h"
> +#include "libcamera/internal/clock_recovery.h"
>  #include "libcamera/internal/framebuffer.h"
>  #include "libcamera/internal/media_device.h"
>  #include "libcamera/internal/media_object.h"
> @@ -237,6 +238,8 @@ protected:
>         virtual int platformRegister(std::unique_ptr<CameraData> &cameraData,
>                                      MediaDevice *unicam, MediaDevice *isp) = 0;
>  
> +       ClockRecovery wallClockRecoery_;

s/wallClockRecoery_/wallClockRecovery_/

(If this object stays instantiated in the Pipeline Handler)

> +
>  private:
>         CameraData *cameraData(Camera *camera)
>         {
> -- 
> 2.39.5
>