desc!(video-ll; "midivid-ll", "MidiVid Lossless"),
desc!(video; "vmd-video", "VMD video"),
desc!(audio; "vmd-audio", "VMD audio"),
desc!(video-ll; "midivid-ll", "MidiVid Lossless"),
desc!(video; "vmd-video", "VMD video"),
desc!(audio; "vmd-audio", "VMD audio"),