Mixing gl and non gl elements

[philippe renon]

Answering my own question... and I think I have a simple test case to reproduce the gleffects crash.

Adding a videoconvert element was the trick to get the pipeline working.
Now the below pipeline crashes:
gst-launch-1.0.exe videotestsrc ! glupload ! gleffects ! gldownload ! videoconvert ! d3dvideosink
Same pipeline without the gleffects works fine:

gst-launch-1.0.exe videotestsrc ! glupload ! gldownload ! videoconvert ! d3dvideosink
Unfortunately, the bt of the crash is not helpful but it dpes indicate that the crash happens in the nvidia driver.

Philippe.
 


     Le Dimanche 11 octobre 2015 21h46, philippe renon <philippe_renon at yahoo.fr> a écrit :
   
 

 Hi,
I am investigating gleffects crashes.
To do so I am trying to run the simple pipeline shown below but it fails to start.

$ gst-launch-1.0.exe videotestsrc ! glupload ! gleffects ! gldownload ! d3dvideosink

WARNING: no real random source present!
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Got context from element 'gldownloadelement0': gst.gl.GLDisplay=context, gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplay\)\ gldisplay0";
ERROR: from element /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: Internal data flow error.
Additional debug info:
gstbasesrc.c(2943): gst_base_src_loop (): /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0:
streaming task paused, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...
I am not sure what is missing to get this pipeline running.
I am using a recent master version compiled on Windows 7/MinGW.

Philippe.

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