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

Movie AtomsMedia AtomsFlagsA 3-byte space for base media information flags. Set this field to 0.Graphics modeA 16-bit integer that specifies the transfer mode. The transfer mode specifies which Boolean operationQuickDraw should perform when drawing or transferring an image from one location to another. See“Graphics Modes” (page 321) for more information about graphics modes supported by QuickTime.OpcolorThree 16-bit values that specify the red, green, and blue colors for the transfer mode operation indicatedin the graphics mode field.BalanceA 16-bit integer that specifies the sound balance of this media. Sound balance is the setting that controlsthe mix of sound between the two speakers of a computer. This field is normally set to 0. See“Balance” (page 323) for more information about balance values.ReservedReserved for use by Apple. Set this field to 0.Data Information AtomsThe handler reference atom (described in “Handler Reference Atoms” (page 84)) contains information specifyingthe data handler component that provides access to the media data. The data handler component uses thedata information atom to interpret the media’s data. Data information atoms have an atom type value of'dinf'.2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.92