OSType(也稱作FourCC或ResType)通常作為一種4字節的類別標示名被使用在Mac OS里。雖然它們通常是來自ASCII碼或Mac OS Roman字符集,但是4個字節原則上可以是任何二進制值。
外部連結
- FourCC.org(頁面存檔備份,存於網際網路檔案館) -- 視頻Codec和像素格式信息
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