glimagesink render-rectangle can not set.

[杨 立明]

Hi all.

        I try to the   gst-launch-1.0  filesrc location=/mnt/baita.jpg !decodebin  ! videoscale ! video/x-raw,width=1920,height=1080 ! imagefreeze ! glimagesink render-rectangle="<0,0,1920,1080>" and  it is Ok!

but i want to put it in codes and i cannot find the format about  the   render-rectangle  parameter  in the c language。so  if i want to put  it  in c  language,how i  should  use it.Thank you very much !

                                                                                    jih488
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