How to adjust the display ratio to original size

[forestzhu]

Hi all,
I am a beginner of a gstreamer.
I met an issue in coding a gstreamer program,can anyone give me a hint ?
  
If the videosink must to be used has no "force-aspect-ratio" or
"pixel-aspect-ratio" property.
How to adjust the output video to the original ratio?


With thanks!
alex
July 25





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