[Elphel-support] question on streaming
flavio soares
qazav3.0 at gmail.com
Tue Jun 12 07:50:19 PDT 2012
Hi, a quick question. I was wondering if there is a way of either:
- make elphel's streaming server output the stream at a fraction of its
original FPS, say 1/2 of it; or
- make elphel's streaming server output the stream at a fraction of its
original resolution, say 1/2 or 1/4 of it; or
- make gstreamer play the live stream at half of the original FPS, say 1/2
of it.
I ask this because making Elphel's stream output at 1/2 of the original FPS
or 1/2 resolution would (in theory) demand less CPU power for the streaming
and leave more for recording at the camera. With gstreamer, the case is
similar but on the other side - it would demand less CPU to debayer and
display the RAW stream live.
(I am using a gstreamer live preview of 1/4 the stream original size and my
laptop's CPU, a 2005 Pentium M, can handle it fine actually. Even though,
of course, it would be very nice to save power and use less resourses.
Based on the tests I put on the
article<https://szaszak.wordpress.com/linux/elphel-as-a-digital-cinema-camera/>,
the jitter starts to happen at frame sizes between 350~450k).
thanks!
flavio
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