The framework supports the following file types and codecs natively: Audioĭue to macOS Mojave being the last version to include support for 32-bit APIs and Apple's plans to drop 32-bit application support in future macOS releases, many codecs will no longer be supported in newer macOS releases, starting with macOS Catalina, which was released on October 7, 2019.Īs of Mac OS X Lion, the underlying media framework for QuickTime, QTKit, was deprecated in favor of a newer graphics framework, AVFoundation, and completely discontinued as of macOS Catalina. A "component" plug-in architecture for supporting additional 3rd-party codecs (such as DivX).Īs of early 2008, the framework hides many older codecs listed below from the user although the option to "Show legacy encoders" exists in QuickTime Preferences to use them.In macOS, QuickTime sends video playback to the Quartz Extreme (OpenGL) Compositor. Decoding video and audio, then sending the decoded stream to the graphics or audio subsystem for playback.Command-line utilities afconvert (to convert audio formats), avconvert (to convert video formats) and qtmodernizer (to automatically convert older formats to H.264/AAC) are provided with macOS for power users.
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