QuickTime 3 Reference
The following atom type constants specify atom types described in "Display Mode Atom Types" .
enum {
kQTVODisplayModeItem = FOUR_CHAR_CODE('qdmi'),
kQTVODimensions = FOUR_CHAR_CODE('dimn'),
/* atom contains two longs - pixel count - width, height */
kQTVOResolution = FOUR_CHAR_CODE('resl'),
/* atom contains two Fixed - hRes, vRes in dpi */
kQTVORefreshRate = FOUR_CHAR_CODE('refr'),
/* atom contains one Fixed - refresh rate in Hz */
kQTVOPixelType = FOUR_CHAR_CODE('pixl'),
/* atom contains one OSType - pixel format of mode */
kQTVOName = FOUR_CHAR_CODE('name'),
/* atom contains string (no length byte) - name of mode for display to user */
kQTVODecompressors = FOUR_CHAR_CODE('deco'),
/* atom contains other atoms indicating supported decompressors */
/* kQTVODecompressors sub-atoms */
kQTVODecompressorType = FOUR_CHAR_CODE('dety'),
/* atom contains one OSType - decompressor type code */
kQTVODecompressorContinuous = FOUR_CHAR_CODE('cont'),
/* atom contains one Boolean - true if this type is displayed continuously */
kQTVODecompressorComponent = FOUR_CHAR_CODE('cmpt')
/* atom contains one Component - component id of decompressor */
};