pipeline could not be constructed

[zeef]

Hi folks,

Im starting with the basics of gstream , trying to run some examples.
In my PC 1(Ubuntu 14_04 native)  i can use gst-launch-1.0 videotestsrc !
autovideosink 

It launchs the test and for example the big bunny buck mp4 with the command:

gst-launch-1.0 filesrc location=/home/jp/video_sound/bbb.mp4 ! decodebin
name=dec ! videoconvert ! autovideosink dec. ! audioconvert ! audioresample
! alsasin


In my PC 2 (embebed system with buildroot) when i do the same command  gives
me that error:

ERROR: pipeline could not be constructed: no element "videotestsrc".~

and in big bunny example gives me that:

WARNING: erroneous pipeline: no element "videoconvert"


What shoul i look? Anytip? 
Where i can add elements in native or emebebed system for gstream?

Best Regards,



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