IP and USB camera synchronization

[Toni Matsablokos]

Hi all,

I am currently working on a project where I want to synchronize two
cameras. The first one is an ip camera and the other is a usb webcam. For
example using gst-launch I can see their streams with

1) gst-launch-1.0 -v souphttpsrc location=camera_uri ! jpegdec !
autovideoconvert ! autovideosink

2) gst-launch-1.0 v4l2src device=/dev/video0  !  videoparse
format=GST_VIDEO_FORMAT_GRAY16_LE width=640 height=480 ! autovideoconvert !
autovideosink

my question is if I can somehow synchronize these cameras. In particular,
my goal is  to find for each frame in the first camera, the frame in the
second one that is most close in time.
In case synchronization is feasible, any hints/tips on how to proceed would
be most helpful.

many thanks,
Toni
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