The primary distinction of M4V is its ability to include Apple’s FairPlay DRM (Digital Rights Management). Protected files can only be played on authorized devices.
When testing a system's ability to handle M4V uploads, consider the following scenarios: How to test file upload Download File for file upload test.m4v
M4V typically uses the H.264 video codec and AAC or AC3 (Dolby Digital) audio codecs . The primary distinction of M4V is its ability