Mac users interested in Vidalin 2.0.7 for mac generally download:
Vidalin is an M4V (MP4) video tag editor.The application utilizes the AtomicParsley command line application as its primary tagging engine. Moreover, Vidalin now encodes (via embedded Handbrake 0.9.4), performs auto-lookups for tagging information and cover art, then tags your videos in one step.