Debugging video jerking problem

[Ian Davidson]

You start with a video recorded at 50 fps and convert it to 60 fps.  So, 
for each 5 frames of the original video, something has to 'invent' 1 
extra frame.  It is never going to be 'perfect'.


On 06/12/18 19:50, Wolfgang Grandegger wrote:
>
> Not sure if I understand you correctly. I do not change FPS on the fly.
> I convert my MJPEG video from 50 to 60 FPS on the remote side with
>
>    $ ffmpeg ... -filter:v "setpts=0.83333333*PTS" -r 60 ...
>
> and then send it to the network. The video with 50 FPS is recorded
> and displayed fine. The one with 60 FPS causes jerking on the display.
> The jerking is also visible on the recorded video... hm, can I assume
> that the "rtpjitterbuffer" calculated jerky timestamps then?
>