Fixed ncbug00075587: Transfers of programs which includes
empty audio tracks to Avid MC has audio distortion on the filler tracks. Added
Audio fill for 24 bit audio and corrected for progressive formats.
Fixed ncbug00074984: Transfer from Avid Media Composer to K2 Summit
system fails if part of the Sequence does not have video track. Added DNxHD and
AVCi fill fame support. Corrected AVCi fill frame size.