QuickTime

QuickTime (or QuickTime Player, referred to officially as QuickTime X in Mac OS X Snow Leopard) is an extensible multimedia architecture created by Apple, which supports playing, streaming, encoding, and transcoding a variety of digital media formats. The term QuickTime also refers to the QuickTime Player front-end media player application, which is built into macOS, and was formerly available for Windows. QuickTime was created in 1991, when the concept of playing digital video directly on computers was "groundbreaking." QuickTime could embed a number of advanced media types, including panoramic images (called QuickTime VR) and Adobe Flash. Over the 1990s, QuickTime became a dominant standard for digital multimedia, as it was integrated into many websites, applications, and video games, and adopted by professional filmmakers. The QuickTime File Format became the basis for MPEG-4 Part 12 as adopted in the ISO base media file format (ISOBMFF). Designed to facilitate the exchange of 'time-based media', it specifies technology independent recipes to e.g. bundle various assets into a single file, play (online) livestreams at an appropriate bitrate, or even fix Bluetooth lag" 'via temporal positioning of a source audio signal after AAC encoding'. The contained assets refer to arbitrary external codecs, e.g. MPEG-4 Part 2, Motion JPEG 2000, pulse-density modulated DSD audio, CC, DRM, sign language, rendering object-based audio in binaural with head tracking, or even Apple Immersive Video. During its heyday, QuickTime was notably used to create the innovative Myst and Xplora1 video games, and to exclusively distribute movie trailers for several Star Wars movies. QuickTime could support additional codecs through plug-ins, for example with Perian. Apple discontinued the Windows version of QuickTime in 2016. In Mac OS X Snow Leopard, QuickTime 7 was discontinued in favor of QuickTime Player X, which abandoned the aging QuickTime framework in favor of the AVFoundation framework....