Gstreamer ERROR: GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal data flow error.

[Nicolas Dufresne]

Le vendredi 09 juin 2017 à 05:52 -0700, Mariem a écrit :
> Hi,
> 
> I added the videoconvert to the previous command and now I get this:
> Setting pipeline to PAUSED ...
> Pipeline is live and does not need PREROLL ...
> Setting pipeline to PLAYING ...
> New clock: GstSystemClock
> /GstPipeline:pipeline0/GstV4l2Src:v4l2src0.GstPad:src: caps =
> "video/x-raw\,\ format\=\(string\)YUY2\,\ width\=\(int\)2304\,\
> height\=\(int\)1536\,\ pixel-aspect-r"
> /GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:src: caps
> =
> "video/x-raw\,\ width\=\(int\)2304\,\ height\=\(int\)1536\,\
> framerate\=\(fraction\)2/1\,\ "
> MMI open: No such file or directory
> ts:1489485641.163159    level:0x00001000       
> func:OmxrAllocateWorkBuffer_allocfunc(265)      tid:3334        mes:e
> rror:
> mmngr fatal. -1
> 

As your OMX vendor maybe ?

> 
> Another thing, when I plug my webcam I get this message:
> [    2.513075] usbcore: registered new interface driver uvcvideo
> [  201.262897] uvcvideo: Found UVC 1.00 device HD Pro Webcam C920
> (046d:082d)
> [  201.270602] uvcvideo 1-1:1.0: Entity type for entity Processing 3
> was not
> initialized!
> [  201.278648] uvcvideo 1-1:1.0: Entity type for entity Extension 6
> was not
> initialized!
> [  201.286602] uvcvideo 1-1:1.0: Entity type for entity Extension 12
> was not
> initialized!
> [  201.294615] uvcvideo 1-1:1.0: Entity type for entity Camera 1 was
> not
> initialized!
> [  201.302279] uvcvideo 1-1:1.0: Entity type for entity Extension 8
> was not
> initialized!
> [  201.310197] uvcvideo 1-1:1.0: Entity type for entity Extension 9
> was not
> initialized!
> [  201.318113] uvcvideo 1-1:1.0: Entity type for entity Extension 10
> was not
> initialized!
> [  201.326117] uvcvideo 1-1:1.0: Entity type for entity Extension 11
> was not
> initialized!
>  Could it be the reason behind the issue?

Maybe ask the Linux Media mailing list ?

Nicolas

p.s. We can help with GStreamer, but you seem to have a lot of
downstream code involved. Unless you can sort out the vendor and kernel
bits failing, I am unlikely to be able to help.
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