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XDCAM export - takes too long?

1789 Views 36 Replies Latest reply: Jun 26, 2012 8:59 AM by Paul Cuciti RSS
  • David Mclaine Level 4 Level 4 (1,855 points)
    Currently Being Moderated
    Jun 13, 2012 8:45 AM (in response to Michael Grenadier)

    Just a minute,

     

        You say you filmed in XDCAM EX and then edit in an XDCAM HD timeline. Why aren't you using am XDCAM EX timeline? I shoot EX and use an EX timeline, no rendering required because it matches. I just dropped an EX clip into a XDCAM HD timeline and got the red render bar. Is this what you are doing?

    DM

  • Michael Grenadier Level 6 Level 6 (19,805 points)
    Currently Being Moderated
    Jun 13, 2012 8:48 AM (in response to David Mclaine)

    Pretty sure that when you export, the entire timeline has to "render" cause of the mpeg2 long gop structure.  

  • Meg The Dog Level 6 Level 6 (9,385 points)
    Currently Being Moderated
    Jun 13, 2012 9:25 AM (in response to Mike Janowski)

    I have had the red bar appear across the entire timeline when I have done exports from XDCam/Ex material. I always assumed it was because of the long gop structure, it had to generate the gop cadence fresh from the start to end of the timeline for purposes of a creating the export. The red bar did/does not consistently appear, to the best of my memory.

     

    2 comments:

     

    1) Your exporting taking twice the real time duration of the timeline does not feel very far off to me, though it has been a while since I did a project that was 100% XDCam. I would start looking at your drive/storage configuration, capacity and how you are connected to the drives and see if you can get some improvement.

     

    2) Having a green bar on the timeline does not mean "no rendering required to export" it means "no rendering required to display the video pretty close to real time in FCP". If you want the first option, the timeline needs to have the dark blue bar.

     

    Can you click on a source clip in your browser and type command + 9 to get the clips item properties, and take a screen shot of the properties of the clip and post that here, or report them?

    Then click anywhere on your timeline, and type command + 0 {zero} to see your sequence settings and take a screen shot and post that here, or report the sequence settings here?

     

    Thanks

     

    MtD

  • hyphen Level 6 Level 6 (15,320 points)
    Currently Being Moderated
    Jun 14, 2012 3:25 AM (in response to Mike Janowski)

    Just an echo: check your sequence settings are identical to the format of the clips you use. If not then a lot of time is wasted converting the final output.

  • Michael Grenadier Level 6 Level 6 (19,805 points)
    Currently Being Moderated
    Jun 14, 2012 7:35 AM (in response to Mike Janowski)

    cause I'm the only one that really deserves it?

     

    Did you get a chance to check the speed of the raid?  And is there any antivirus software installed?  That can cause all sorts of problems.

  • Meg The Dog Level 6 Level 6 (9,385 points)
    Currently Being Moderated
    Jun 14, 2012 9:18 AM (in response to Mike Janowski)

    Well, as I kinda thought - you are shooting EX at 1920 x 1080 and editing into a 1440 x 1080 timeline - hence every frame of your timeline will need to be rendered (reconstructed, converted, rebuilt, resized. . . you get the idea) when you export - so your export is really the equivalent of tasking the machine to a show length conversion, in addition to whatever other heavy lifting the computer has to do rendering effects, color corrections, titles and transitions. As I said, given the task at hand, I don't find a 2:1 output time ratio all that surprising.

     

    MtD

  • hyphen Level 6 Level 6 (15,320 points)
    Currently Being Moderated
    Jun 14, 2012 3:47 PM (in response to Mike Janowski)

    Deleted... Meg covered it! Sorry

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