+ # Original format that's not available (e.g. kaltura:1926081:0_c03e1b5g)
+ # skip for now.
+ if f.get('fileExt') == 'chun':
+ continue
+ # DRM-protected video, cannot be decrypted
+ if f.get('fileExt') == 'wvm':
+ continue
+ if not f.get('fileExt'):
+ # QT indicates QuickTime; some videos have broken fileExt
+ if f.get('containerFormat') == 'qt':
+ f['fileExt'] = 'mov'
+ else:
+ f['fileExt'] = 'mp4'