Combining 2 Video Streams Side by Side, Getting Choppy Results

Jim Ruxton jim.ruxton at gmail.com
Tue Feb 16 09:02:10 UTC 2021


Just discovered that putting sync=false after autovideosink solved my 
problem.

Jim

On 2021-02-16 2:50 a.m., Jim Ruxton wrote:
>
> I am trying to combine 2 video streams. One from my laptop camera and 
> one from an external webcam. I'm using the following pipeline and 
> getting very choppy results. Neither my CPU or GPU seem to be working 
> hard. Any ideas how to make this less choppy?
>
> *./gst-launch-1.0 v4l2src device=/dev/video**4**! videoscale ! videoconvert ! video/x-raw,format=YUY2, 
> framerate=30/1, width=***640***, height=***480****! ****alpha********alpha=1***! videobox border-alpha=0 left=-640 ! videomixer name=Mix ! 
> videoconvert ! autovideosink v4l2src device=/dev/video***2***! videoscale ! videoconvert ! video/x-raw, format=YUY2, 
> framerate=30/1, width=***640***, height=***480****! ****alpha********alpha=1***! videobox border-alpha=0 right=-640 ! Mix.*
>
> Thanks,
>
> Jim
>
>
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