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Stevedocmaker
Known Participant
July 19, 2011
Question

"Rendering Required Files" - huh?

  • July 19, 2011
  • 15 replies
  • 38093 views

I'm editing a sequence with a couple of nested sequences and a multicamera edit.  Suddenly I'm encountering huge delays when PP RANDOMLY decides it needs to do some rendering. I (seemingly at random) get the message "Rendering Required Files" and then I have to wait for minutes to do anything!

• There are no compilicated effects in any of the sequences.

• There are only a few tracks in the master sequence, and only one or two tracks of audio and/or video in the prior sequences.

• I have a dual quad core MacPro with 16GB of RAM.

• I have 4x1TB hard drives.

I can not for the life of me understand why it needs to render anything.  I get the feeling this has to do with audio, but I can not pin this down.  Can anybody explain what the heck the program is rendering so I can figure out a workaround?????

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      15 replies

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      Stephen_Spider
      Stephen_Spider
      Inspiring
      January 25, 2012

      I see a lot of posts with mac users not being able to retain temp media files, not sure if it is missing from the cache or where. Not so many PC users with this type of post.

      It should be addressed if there is a defined issue.

      R
      RusstheEdit
      Known Participant
      November 22, 2011

      HI,

      I have a similar problem but not wit h a multicam sequence.

      Imported a load of HDV footage (M2T) files, dropped them on to a sequence, they all play back fine.

      Create a new sequence, same as the first

      load sequence 1 into source monitor and select first edit point, drop this clip into sequence 2. so far so good this nested sequence plays back fine.

      Howvere as soon as I add another edit or even just split the current clip on the timeline I then get the Renedering required files message!!!!!

      realy frustrating, this doesn't happen on Standard Def DVcam footage and now is randomly working with M2T files in a different sequence!!!

      E
      excited_Genie16B8
      Legend
      November 22, 2011

      Might be because of the compression used in the original audio.  DV uses Uncompressed audio.  HDV uses MPEG.

      S
      StevedocmakerAuthor
      Known Participant
      July 20, 2011

      This clearly has something to do with audio in nested sequences.  If I turn the audio off in the 1st sequence, the "rendering" still is "required", but it only takes a few seconds.  So I tried exporting the audio of the first sequence to an AIFF file, importing that file and placing it in the timeline of the first sequence, turning off the audio in the other tracks for that sequence.  The pointless rendering in the second sequence still occurs, but it's much quicker and this seems to be a manageable workaround for now.  A wav file or some other format may be even quicker.

      The ability to nest sequences is and essential feature of a modern NLE.  Clearly Adobe is not aware of how people actually use their product, instead are focused on making software that can make a whiz-bang demo.  Who in their right mind would program this waste of time into their application and call it a feature?

      E
      excited_Genie16B8
      Legend
      July 19, 2011

      I get the feeling this has to do with audio

      It does.

      lasvideo
      lasvideo
      Inspiring
      July 19, 2011

      Jim can you elaborate? It sounds like an important concept for me to understand.

      S
      StevedocmakerAuthor
      Known Participant
      July 20, 2011

      I have had very strange problems like this with PPro on Mac, there is a 'voodoo chicken dance' that I sometimes do, in this order and try each thing, each has it's degree of disruptiveness but eventually effective:

      1) Restart PPro

      2) Restart Mac

      3) Clean system caches with Cocktail and restart Mac

      4) Clear media caches (PPro prefs)

      5) Start with a new project, import the problem project into the new project


      Thanks, I had not heard of Cocktail.  Looks like a great little application.  Unfortunately, it did not solve the problem.

      To shed more light on this issue, everytime I open a file, PP decides it needs to Generate Peak Files for all the files in the timeline (which takes forever, of course).  And I'm seeing each of these generated files on the hard drive in the same directory as the source files.  Not only is there no clear reason why the program thinks this is necessary, it's not even recognizing that the files it just generated minutes ago already exist.  This has never happened before of course.

      Tech support was of little help, other than to confirm the problem.  At least they finally admitted it was not a hardware issue.  They are supposedly looking into this and will get back to me.

      Of course I've tried deleting preferences, etc.

      HAS ANYBODY ELSE EXPERIENCED THIS?

      ANY IDEAS AS TO WHAT'S CAUSING THIS?

      S
      StevedocmakerAuthor
      Known Participant
      July 19, 2011

      I should add as a follow-up that in the projects where this is happening, if I let the program render the files, save the project, close the project and reopen it right away, it wants to render all over again!  It seems like for whatever reason it is not finding the files it just rendered!!!

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