Hi, I have a pipeline that can be (simplified) represented as nvarguscamerasrc → capsfilter → nvvidconv → nvjpegenc → framerate → capsfilter → multifilesink What I want is the kernel time when the image was captured, in order to synchronize with other sensors running independently. Currently, to…

So the simple answer is that it can not be done within the gstreamer framework, it must be done by directly using the argus library, correct?

Hi, You may refer to this post to get sensor timestamp of each frame: Nvarguscamerasrc Buffer Metadata is missing - #29 by DaneLLL Time stamping the image - #5 by DaneLLL One possible solution is to overwrite buf_pts with sensor timestamp and rebuild nvarguscamerasrc. So that you can get the in…

Hi, I had already looked at the first link. However, it looked like it was getting metadata for all data coming out of the source, and I’m not sure how to correlate that the the frames being saved by the multifilesink. Also, I found that when I using the probe as written in that post, the process…

Hi. In gstreamer fromeworks, it generates timestamps in userspace so it may not be applicable in your use-case. Would suggest you check nvarguscamerasrc plugin and do customization. You may also try jetson_multimedia_api. We have sample for Argus + JPEG encoding: /usr/src/jetson_multimedia_api/sa…

Hi, I realized why the probe attempt earlier caused my process to die - I hadn’t copied your new compiled .so file to the right place. Now I’ve done that, I’m able to use the probe, and print out the Frame# and Timestamp. Can you tell me what are the units / reference point of the timestamp value…

I was able to propagate the quark meta capture timestamp to the multifilesink. From what I’ve seen, this timestamp is based on an RTCPU clock, and zero is simply when the system booted. But I’m still unsure how to relate this to real time. There was mention of /sys/devices/system/clocksource/clock…

Hi, Have a reference to below topic for the timestamp transfer to kernel time and map to real time by yourself. [image] Argus Timestamp Domain Jetson TX2 hello j2innet, sorry for late reply, I did not receive system notification. instead of asking a follow-up question …

Nvarguscamerasrc source time of jpeg saved with multifilesync

Robotics & Edge Computing Jetson Systems Jetson TX2

ShaneCCC September 3, 2021, 5:22am 8

Hi,
Have a reference to below topic for the timestamp transfer to kernel time and map to real time by yourself.

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Nvarguscamerasrc source time of jpeg saved with multifilesync

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