Quicktime File Format (2012-08-14).pdf

Document Revision HistoryDate2011-07-13NotesThe following updates are included in this revision: The sound sampledescription v2 format along with the definition of two new sound sampledescription extensions are incorporated, see “Sound Sample Description(Version 2)” (page 181). New atoms for the display of track aperture indifferent modes have been documented, see “Track Aperture ModeDimension Atoms” (page 61). New sample atoms for handling out-of-ordermovie samples have been added, see “Sample Atoms” (page 95). AppendixG, “Audio Priming - Handling Encoder Delay in AAC” (page 421), has beenadded which treats how to handle temporal positioning of AAC audiodata explicitly. The Macintosh language codes table has been updatedwith current language names, see Table 5-1 (page 317) and the related“Extended Language Tag Atom” (page 82) defined.2010-08-03Corrected the order of fields described in the Metadata Handler Atomstructure.2010-05-03Added description of clip-based metadata and specific key/value pairs forlocation metadata.2007-09-04First public release of complete, updated QuickTime File FormatSpecification with information about atoms and atom types. Addedlicensing information and disclaimer for developers. Modified introductorysections and atom descriptions; updated artwork and edited for technicalaccuracy.2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.434