[Elphel-support] video camera for drone project
Oleg
support-list at support.elphel.com
Thu Jun 15 16:11:23 PDT 2017
Maria,
We conducted a few tests to measure the live stream latency.
Results:
* Test images
<https://community.elphel.com/pictures/10393_video_stream_latency/>
* For 1080p - ~70ms from exposure to display (720p - ~50ms).
So, having in mind 40ms (sensor readout + compression) - it takes about
30ms to transfer and display the stream (for the pc used in tests)
Notes:
* LAN: PC and camera only, 1GigE
* Played rtsp and multipart jpeg streams
* Used gstreamer - as it performed the fastest among other players/browsers.
** Chrome and Firefox seem to buffer at least 1 frame when displaying mjpeg
stream = extra lag.
Best regards,
Oleg Dzhimiev
Electronics Engineer
phone: +1 801 783 5555 x124
Elphel, Inc.
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