Gstreamer v4l2src could not negotiate format

[wally_bkg]

Joel A Fernandes wrote:
> 
> My command line looks like:
> 
> gst-launch -v v4l2src device=/dev/video2 !
> 'video/x-raw-yuv,width=640,height=480,format=(fourcc)UYVY' ! TIVidenc1
> codecName=mpeg4enc engineName=codecServer ! filesink
> location=output.m4v
> 
> 

Try letting ffmpegcolorspace convert from what the camera supports to UYVY:

gst-launch -v v4l2src device=/dev/video2 ! ffmpegcolorspace !
'video/x-raw-yuv,width=640,height=480,format=(fourcc)UYVY' ! TIVidenc1
codecName=mpeg4enc engineName=codecServer ! filesink
location=output.m4v 

I've run into cameras and capture cards that don't support 640x480 frames,
so you might need a videoscale element in there too if this it the case.

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