In Zoom 6.0, On Mac client, we have seen that the default thumbnail applied to a video file at the time of import is not getting applied to the frame which the user has specified in percentage but the first frame is applied by default.
- Download the latest ffmpeg distribution from the site: www.ffmpegmac.net/
- Extract the zip archive.
- Take a backup of the following files ffprobe and ffprobe-x86_64 and remove them from the location <ZOOM_INSTALL_DIR>/Resources/lib/imagemagick.
- Copy the ffprobe file from the extracted archive and paste to the following location <ZOOM_INSTALL_DIR>/Resources/lib/imagemagick.
- Restart clientproxy.
Read here the article on how to set the video thumbnail frame percentage.