desc!(video; "midivid", "MidiVid"),
desc!(video; "midivid3", "MidiVid 3"),
desc!(video-ll; "midivid-ll", "MidiVid Lossless"),
+ desc!(video-ll; "rbt-video", "Sierra Robot video"),
+ desc!(audio; "rbt-audio", "Sierra Robot audio"),
+ desc!(video; "seq-video", "Sierra Sequence video"),
desc!(video; "smushv1", "SMUSH Video paletted"),
desc!(video; "smushv2", "SMUSH Video 16-bit"),
desc!(video; "smush-iact", "SMUSH IACT Audio"),