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Activity Forums Compression Techniques is it true I need Windows for this compression? .avi to QT

  • is it true I need Windows for this compression? .avi to QT

    Posted by Terrence Dunlop on May 27, 2008 at 3:44 pm

    A client was thrilled to give me a .avi file for me to edit into an FCP timeline of his acting reel.

    I have Quicktime 7, and one of the export options is to H.264, but every time I drop in my .avi file (which looks like it’s in a quicktime wrapper), it spends plenty of time transcoding and then tells me the resulting qt file isn’t a movie (and it won’t open it).

    is it true that to transcode it to an Apple friendly qt, I need to use a Windows computer?

    anyone done this already that could walk me through with a Compressor or Quicktime workflow?

    Thanks so much for any help you can give me.

    Ben Waggoner replied 17 years, 11 months ago 3 Members · 2 Replies
  • 2 Replies
  • Craig Seeman

    May 27, 2008 at 4:07 pm

    AVI is a wrapper than can contain any number of codecs inside. Since AVI is a wrapper it certainly wouldn’t be wrapped in Quicktime.

    I’ve had no problem editing DV .AVI in Final Cut Pro although it will pop up a warning message.

    You really need to find out what’s inside the AVI wrapper.
    Can you play/see the video in Quicktime?
    Can you use Window/Show Movie Inspector to see what codec it reports?

    There are many codecs inside of AVI that require 3rd Party plugins and there are a few which may not have a Quicktime plugin available for it. Some are only available for Windows.

    Answer the above questions and maybe I can help you get to the next step.

  • Ben Waggoner

    June 4, 2008 at 3:17 am

    Yeah, I’d say 90% chance that’s it’s DV codec and will work in Final Cut Pro as-is.

    If you have access to Windows, you can run the free GSpot Information Appliance to find out what codec it’s using otherwise.

    Ben Waggoner
    Principal Video Strategist, Silverlight
    Microsoft Corporation

    Compression Blog: on10.net/blogs/benwagg/
    Compression Classes at Stanford and PSU: on10.net/blogs/benwagg/21622/

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