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QuickTime Movie File Format Specification, May 1996
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QuickTime Movie File Format Specification, May 1996
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Media information atoms (defined by the 'minf' atom type) store handler-specific information for a track's media data. The media handler uses this information to map from media time to media data and to process the media data.
These atoms contain information that is specific to the type of data defined by the media. Further, the format and content of media information atoms are dictated by the media handler that is responsible for interpreting the media data stream. Another media handler would not know how to interpret this information.
This section describes the atoms that store media information for the video (defined by the 'vmhd' atom type), sound (defined by the 'smhd' atom type), and base (defined by the 'gmhd' atom type) portions of QuickTime movies.
"Using Sample Atoms," beginning on [link] , discusses how the video media handler locates samples in a video media.
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