Grass Valley K2 System Guide v.7.2 - Manual (Page 205)

07 April 2010 K2 System Guide 205
Active Format Description (AFD) specifications
ARC is K2 specific and therefore not included in MXF transfers.
ARC is K2 specific and therefore not included in MXF transfers.
Default generated AFD values
Default AFD values are generated when the three following conditions are met:
3 If there is no AFD in the MXF, the GXF, or the data track, then no AFD is set.
GXF Export: (both AFD and ARC values inserted into XML of stream)
Condition Description
Exported to K2 system that does
not support AFD AFD setting is ignored, but setting is retained with clip
ARC settings apply
Exported to K2 system that
supports AFD AFD overrides ARC settings
GXF Import
Condition Description
Imported from K2 system that
does not support AFD ARC converted to AFD
Imported from K2 system that
supports AFD AFD overrides ARC settings
MXF Export
Condition Description
AFD from clip property added to
properties of the video in the
header metadata If clip property is not set, do not add property in stream
AFD from data track in stream’s
ancillary data No change required
MXF Import
Imported stream has AFD in the
header metadata AFD is stored in the clip property setting of the clip
Imported stream has AFD in the
data track AFD is stored in the clip property setting of the clip. (AFD is taken
from the ancillary data two seconds from the beginning, or, if the clip
is less than 2 seconds long, from the last valid AFD.)
Imported stream has no AFD No AFD
File transfer AFD priority