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

Movie AtomsMedia AtomsOpcolorThree 16-bit values that specify the red, green, and blue colors for the transfer mode operation indicatedin the graphics mode field.Sound Media Information AtomsSound media information atoms are the highest-level atoms in sound media. These atoms contain a numberof other atoms that define specific characteristics of the sound media data. Figure 2-26 (page 88) shows thelayout of a sound media information atom.Figure 2-26The layout of a media information atom for soundSound media information atomAtom sizeType = 'minf'Sound media information header atom'smhd'‡Handler reference atom 'hdlr' ‡Data information atomSample table atom'dinf''stbl'‡ Required atomThe sound media information atom contains the following data elements.SizeA 32-bit integer that specifies the number of bytes in this sound media information atom.TypeA 32-bit integer that identifies the atom type; this field must be set to 'minf'.Sound media information header atomSee “Sound Media Information Header Atoms” (page 89).Handler reference atomSee “Handler Reference Atoms” (page 84).Data information atomSee “Data Information Atoms” (page 92).Sample table atomSee “Sample Table Atoms” (page 96).2012-08-14 | © 2004, 2012 Apple Inc. All Rights Reserved.88