Elements in my pipeline could not be linked !!

[Nostalgia]

Hi, 

I have the following pipeline :
filesrc -> h264parser -> capsfilter -> omxh264decoder -> filesink

When executing it using the following command line, I don't obtain any error
and it gives me the right output file.
gst-launch-1.0 filesrc location = Basketball.264 ! h264parse !
'video/x-h264, parsed=true, stream-format=byte-stream, alignment=au,
width=640, height=360' ! omxh264dec ! filesink location=Basketball_lc.yuv

But using it in my c++ application I obtain this error : Parser and filter
could not be linked !!

But when (in my c++ app) I replace the caps by the following :
'video/x-h264, stream-format=byte-stream, alignment=au', I don't obtain the
latter error but my output file is identical to my input one.

Someone can help me please to resolve the issue !

Regards,





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