linux - GStreamer Get Exact Time of 1st Frame -

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I am running gistemmer from the command line to record the video to H.264 AVI in this way. 

  GST-Launch TVSRC FPS-N = 25! 'Video / X-Raw-UUV, width = (int) 720, height = (int) 576, framerate = (fraction) 25/1'! Vpuenc codec = 6! Avimux! Qi2 max-size-buffer = 1 max-size-bytes = 0 max-size-time = 0! Filesink location = output.avi

By the time I actually start recording, GST-takes some time to launch.

Is there a way to get the precise timing of the first frame output in the text file? Or better still, the exact timeline of every frame? Thank you.


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