halving framerate
Tim Müller
tim at centricular.com
Mon Jul 13 05:17:03 PDT 2015
On Mon, 2015-07-13 at 11:56 +0000, Thornton, Keith wrote:
Hi Keith,
> I have a tee which has two branches, one requiring the full 60Hz video
> framerate and one requiring only every second buffer.
>
> I thought I could achieve this by adding a pad probe to the first pad
> after the tee in the branch only requiring the half framerate. This
> pad probe returns GST_PAD_PROBE_DROP for every second buffer and
> GST_PAD_PROBE_PASS for the others. This doesn’t seem to work. The
> branch still gets all of the buffers.
>
> Has anyone any suggestions as to how I could achieve this?
How about
videorate skip-to-first=true ! video/x-raw,framerate=30/1 ! ...
You'd need to double-check if this introduces jitter though (changes
timestamps).
Not sure why your probe doesn't work, sounds like a bug either in your
app or (less likely, imho) in GStreamer.
Cheers
-Tim
--
Tim Müller, Centricular Ltd - http://www.centricular.com
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