Placing a movie with the following code places the static overlay a bit (too far) to the right, spilling it on the right side out of the frame:
\useexternalrendering[sharkfilm][video/quicktime][shark.mp4]
\defineoverlay
[shark][{\externalfigure[shark-film][width=\overlaywidth,type=jpg]}]
\starttext
...
\midaligned{%\framed[offset=0pt, strut=no, background={foreground,shark}]%
{\placerenderingwindow[movie][sharkfilm]}}%
Is there some spurious space in the code? Perhaps a missing % at the end of a line? I could not spot the culprit in the code, but I might have been looking in the wrong places.
Then as an additional question:
When running the movie a thin white frame line appears around it. I find it annoying but did not find out how to get rid of it. Nor have I been able to change the background color locally (when leaving out the external figure in the overlay) or get rid of the text "Screen" that appears.
I found a macro \setuprenderingwindow but did not find out about the settings it understands.
Can someone enlighten me?