preset3840x2160 A preset for H.264 video at 3840 by 2160 pixels. Declarationstatic let preset3840x2160: AVOutputSettingsPreset See AlsoPresetspreset640x480preset960x540preset1280x720preset1920x1080hevc1920x1080WithAlphahevc1920x1080hevc3840x2160WithAlphahevc3840x2160hevc4320x2160hevc7680x4320mvhevc1440x1440mvhevc4320x4320mvhevc7680x7680mvhevc960x960