.mpl: Files
An is most commonly an AVCHD Playlist File , used by digital camcorders to organize and navigate high-definition video clips. It serves as a roadmap for the camera or media player, referencing actual video data stored in separate .MTS or .M2TS files. Because .mpl files are metadata containers rather than video files themselves, they are typically small in size. Primary Uses of .mpl Files
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Because embedded .mpl files define where code lives, they are a prime target for reverse engineers. If you are securing a device: .mpl files