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pipeline: imx8-isi: Set SensorTimestamp metadata

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Report the sensor timestamp in metadata. Use the timestamp from the
first buffer. Accuracy could be improved by using the frame start event
from the CSI-2 receiver, but the kernel driver doesn't support it yet.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Laurent Pinchart 2022-11-20 19:20:30 +02:00 • committed by Jacopo Mondi
parent f8e998a4c1
commit 47c53f8084
1 changed files with 6 additions and 0 deletions
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6
src/libcamera/pipeline/imx8-isi/imx8-isi.cpp
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@ -994,6 +994,12 @@ void PipelineHandlerISI::bufferReady(FrameBuffer *buffer)
{ {
Request *request = buffer->request(); Request *request = buffer->request();
/* Record the sensor's timestamp in the request metadata. */
ControlList &metadata = request->metadata();
if (!metadata.contains(controls::SensorTimestamp.id()))
metadata.set(controls::SensorTimestamp,
buffer->metadata().timestamp);
completeBuffer(request, buffer); completeBuffer(request, buffer);
if (request->hasPendingBuffers()) if (request->hasPendingBuffers())
return; return;