HT201290: If QuickTime Player can't open an audio or video file
Learn about If QuickTime Player can't open an audio or video file
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All replies
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Helpful answers
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Feb 11, 2014 9:31 PM in response to 2NoahVailby Topher Kessler,Do you get any errors or warnings when you try to open the files? How specifically are you trying to open them? Do you see any odd behaviors at all?
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Feb 12, 2014 5:18 AM in response to Topher Kesslerby 2NoahVail,It starts converting the files, and then I get a message telling me that I need some 3rd party software. I installed MPlayerX, to no avail. Not all of my .mov files seem to be affected, only the ones that were converted to .mov from .avi or some other format.
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Feb 12, 2014 5:21 AM in response to 2NoahVailby Barney-15E,Were you using Perian before? I'm not sure about this, but I don't think it does anything in Mavericks as the plug-in API changed. I have no idea how to check if Perian is actually doing anything anymore. The developers have ceased supporting it.
Try playing in VLC.
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Feb 12, 2014 5:25 AM in response to Barney-15Eby 2NoahVail,Before I was using QuickTime to view (through Keynote) and Flip-4-Mac to convert the .avi files to .mov.
I will try re-converting the original .avi files with Flip-4-Mac again.
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Feb 12, 2014 5:53 AM in response to 2NoahVailby QuickTimeKirk,Flip 4 Mac doesn't do AVI's and only supports Windows Media Player formats.
Perian is still available for download but is no longer being developed.