Pipeline hangs

[Michael Gruner]

Hey Armin,

The very first place to look for clues is the debug log. Please activate the debug to show warnings, at least, and share back the output.

GST_DEBUG=WARNINGS ./app

Michael

> On 17 Feb 2023, at 14:41, Armin Erkert via gstreamer-devel <gstreamer-devel at lists.freedesktop.org> wrote:
> 
> 
> Hi,
> 
> I have a problem with my pipeline:
> 
> appsrc name=mySource caps=video/x-raw,width=1920,height=1080,format=RGBP
> ! videoconvert
> ! video/x-raw,format=NV12
> ! nvh265enc preset=2
> ! video/x-h265
> ! h265parse
> ! nvh265dec
> ! videoconvert
> ! video/x-raw,format=RGBP
> ! appsink name=mySink
> 
> which is calling about 10 times the pushData Callback, but never the NewVideoSample of the appsink.
> 
> 
> but the pipeline, where i changed only the source at the begining:
> 
> videotestsrc pattern=ball
> ! video/x-raw,width=1920,height=1080,framerate=50/1,format=RGBP
> ! videoconvert
> ! video/x-raw,format=NV12
> ! nvh265enc preset=2
> ! video/x-h265
> ! h265parse
> ! nvh265dec
> ! videoconvert
> ! video/x-raw,format=RGBP
> ! appsink name=mySink
> 
> 
> is working, and also the pipeline without the encode und decode part:
> 
> appsrc  name=mySource caps=video/x-raw,width=1920,height=1080,format=RGBP
> ! appsink name=mySink
> 
> is working
> 
> 
> Can anyone help me ?
> 
> Regards
> Armin
>