What is the alignment capability in video/x-h264

pfarmer flacone at gmx.de
Wed Feb 5 14:38:50 CET 2014

Thank you very much!

That was a very helpful information! 

Just as an information:

These are the caps as reported by testing with fakesrc/fakesink and
video/x-h264 capsfilter

stream-format:byte-stream || stream-format:avc
au | nal || : au | nal

  x264enc: y | n || y | n   
  rtph264pay: y | y || y | n   
  rtph264depay:  y | y || y | n   
  avdec_h264: y | n || n | n   

So it seems that nal alignment is not (not yet) possible with the
gstreamer-1.0 implementations (v1.2.0 Ubuntu 64 13.10)

  x264enc: y | n || y |  n  
  rtph264pay:  y | y || y | y   
  rtph264depay: y | y || n | n
  ffdec_h264: y | y || y | y

I have not yet examined the source code if it is only a caps filtering
problem or if the functionality is really not implemented.   

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