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Apple ProRes 4444 files can cause dropped frames during playback

Applies to

  • Cablecast 4.8.0+


  • After adding an Apple ProRes 4444 file to your server, you start seeing periodic dropped frames on the server's output


The Apple ProRes 4444 codec is not supported on the SX series of video servers.  A software bug in the current software allows them to continue farther through the validation process than desired.


Since the file can't be played back anyways, the best solution is to remove the file from the server and transcode it to a supported format.

Additional Information

PendingThis software behavior has been identified as bug and will be fixed.  It has been assigned case number 8806.

Fixed This bug has been fixed internally and is awaiting release.  Theses files are now marked as invalid immediately and no further attempt to validate them will be made.

Released A fix for this bug has been released in Cablecast 5.3.6, on June 5 2015.

Custom Fields
  • Bug Status: Released
  • Internal Bug ID: 8806
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