Subtitle Media discusses tx3g text media used to store subtitle data in QuickTime movies. Text Media discusses text media used to store text data in QuickTime movies.Ĭlosed Captioning Media discusses text media used to store CEA-608 closed captioning data in QuickTime movies. Timecode Media describes time code media used to store time code data in QuickTime movies. Timed Metadata Media discusses time-based metadata media in QuickTime movies. Sound Media discusses sound media used to store compressed and uncompressed audio data in QuickTime movies. Video Media describes video media, which is used to store compressed and uncompressed image data in QuickTime movies. This chapter is divided into the following major sections: For the latest updates and postings, be sure to see Apple's QuickTime developer website. If you are a QuickTime application or tool developer, you’ll want to read this chapter in order to understand the fundamentals of how QuickTime uses atoms for storage of different media data. This chapter discusses in detail each of these different media data atom types. QuickTime uses atoms of different types to store different types of media data-video media atoms for video data, sound media atoms for audio data, and so on.
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