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This is easy to change though!Įnabling MP4 Playback Using Quicktime Player's Engine

However, because most new users have Quicktime already installed (while they may not have proper DirectShow filters installed to support MP4 decoding), MC disables DirectShow support in favor of Quicktime by default. DirectShow playback allows MC to use visualizations on the files, to natively convert the files to other formats, and a number of other features not available with Quicktime-supported file types. Generally, using DirectShow for playback will give better results for M4A files in MC12. proper DirectShow filters installed, and you need to enable DirectShow M4A support in MC.In order to play these files back with MC you need to have either: 1.4 Apple FairPlay DRM Encrypted Files Do Not Work in DirectShow.1.2 Enabling MP4 Playback Using the DirectShow Engine.1.1 Enabling MP4 Playback Using Quicktime Player's Engine.All of these different file types are really just MP4 files "inside" (though 3GP files are special simplified MP4 files). Other common MP4 extensions include: M4V (for video), AAC (for AAC encoded audio files), M4P (for MP4 files "protected" with Apple's DRM system), 3gp (for Mobile Phones), and M4B (audiobooks). In fact, the M4A extension was actually not part of the original MP4 "specification" but was invented by Apple to differentiate audio-only MP4 files from video MP4 files. There is no difference between an M4A file and an MP4 file other than the file extension. M4A files are simply MP4 files that contain only an audio stream (usually AAC encoded).

Put simply, MP4 files are a modern file format that serve a similar purpose to AVI files and other audio and video container formats (but provides new features not available in older formats). Please refer to Red October for additional details.Ī MP4 file is the common name (based on the regular file extension) for MPEG-4 Part 14 container files. Deprecated: This content has been deprecated as of MC16 and may no longer be valid.