hello j2innet,
sorry for late reply, I did not receive system notification.
instead of asking a follow-up question in the discussion thread which already mark as solved. also, this one is an old thread consider to closed since Nov/2019.
I would suggest you initial another new discussion thread next time, for the better supports.
below capture the start-of-frame timestamp of the sensor signaling,
Argus::ICaptureMetadata::getSensorTimestamp
while EGL stream capture the timestamp when it rendering the frame to display. it’s close to end-of-frame of the sensor signaling,
EGLStream::IFrame::getTime
FYI,
we had some changes for Xavier to plumbed up the hardware timestamps into camera software stack.
there’ll be start-of-frame and end-of-frame sensor timestamps include in metadata from TSC hardware, by using new interfaces for TSC HW timestamp
you may expect those changes will be include to next public release, i.e. JetPack-4.5 / l4t-r32.5.
thanks