QTKit is a Cocoa framework for manipulating time-based media providing a set of easy to use classes and methods to handle capture, playback, editing, and export. Use these resources for integrating media into your app.
QuickTime provides a powerful C based API for manipulating time-based media, allowing low-level media export, editing, encoding and decoding. While QTKit is the preferred API for use with time-based media, a good understanding of QuickTime is essential for all developers.
QuickTime Media Creation
QuickTime delivers stunning video quality at low data rates using the standards-based H.264 codec. Learn how to export movies for all Apple devices using QTKit and QuickTime C APIs.