If there is no path and file name, the video file is created in the XnView install folder, even if the filename is written in the filename field. I think the path and name of the original file should be used if the filename field is empty.
Edit: I see now, that if 'Play sound' option is enabled, this path is used for video, this is not goot too, IMHO.
B3 - Video creating - path suggestion
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