[gstreamer-bugs] [Bug 628764] [videorate] add new option for max frame rate

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=628764
  GStreamer | gst-plugins-base | git

--- Comment #6 from Alexey Fisher <bug-track at fisher-privat.net> 2010-09-11 06:53:14 UTC ---
(In reply to comment #4)
> Maybe the videomaxrate plugin should be merged into videorate. That said,
> videomaxrate works a bit differently, it give you a max average frame rate (so
> it doesn't guarantee that the time between two frames is less than
> framerate/1). If you use the naive approach (just drop frames but not
> duplicate), you end up with the risk that if you start with 11fps but want
> 10fps, it may instead drop 50% of the frames (because the time between two
> incoming frame is always a bit more than 1/10s) and you end up with 6 fps.

I can't reproduce what you write in thew praxis. 

Here i use this pipeline, but i still get about 9-10fps on output

gst-launch v4l2src -v ! videorate !
video/x-raw-yuv,width=320,high=240,framerate=11/1 ! ffmpegcolorspace !
videorate vfr-max-mode=1 ! video/x-raw-yuv,framerate=10/1 ! fpsdisplaysink

my patch  work just fine for me. Can you please take a look in it?

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