[libcamera-devel] [PATCH 03/13] libcamera: uvc: Report sensor timestamp

[Kieran Bingham]

On 19/04/2021 14:14, Jacopo Mondi wrote:
> Report the sensor's timestamp in the Request metadata using the
> completed buffer timestamp.
> 
> The UVC driver does not support the FRAME_SYNC v4l2 event, and the
> buffer timestamp is the only available approximation of the
> sensor timestamp.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> ---
>  src/libcamera/pipeline/uvcvideo/uvcvideo.cpp | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
> index b6c6ade5ebaf..b2d2f211e61b 100644
> --- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
> +++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
> @@ -662,6 +662,9 @@ void UVCCameraData::bufferReady(FrameBuffer *buffer)
>  {
>  	Request *request = buffer->request();
>  
> +	request->metadata().set(controls::SensorTimestamp,
> +				buffer->metadata().timestamp);
> +
>  	pipe_->completeBuffer(request, buffer);
>  	pipe_->completeRequest(request);
>  }
> 

-- 
Regards
--
Kieran