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Quicktime won't open my MPEG4 file.


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6 replies to this topic

#1 elizabee

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Posted 26 June 2013 - 09:14 AM

It should be working, to my knowledge. The extension is mp4, the thumbnail has mpeg4 on it, I honestly can't understand why it wouldn't open but Quicktime says it can't be opened and I may need to download additional software to open it.

 

I've never had this problem before.

 

I'd really appreciate some help here. :)



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#2 rotor123

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Posted 26 June 2013 - 09:28 AM

Hi, You could try playing it with VLC as a diagnostic test.  http://www.videolan.org/vlc/download-macosx.html

 

VLC media player for Mac OS X Download latest VLC for Mac OS X 10.5 and later

64bit mode requires Mac OS X 10.6 or later

 

FWIW I only use VLC for playing Audio or Video on My Windows 7 computers.

If it can't play the MP4 file it is probably damaged.

 

Good Luck

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#3 WaltC

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Posted 16 July 2014 - 01:20 AM

Maybe installing a K-Lite codec pack would help. http://www.k-litecodec.com/



#4 rp88

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Posted 16 July 2014 - 01:39 PM

use vlc and give up on quicktime for good.video containers, codecs and such are pretty confusing to me but i have not yet found a video vlc cannot play. vlc also includes a video format converter but that can be confusing to use(oh for the simplicity you get in image or 3d model files where the only ways to have different formats are with different file extensions) and once you have vlc you don't need to worry about changing video formats unless you want to send them to someone who doesn't use vlc, or open them in something like windows moviemaker (or other video editors/compositors/sequencers) which only supports certain import formats.


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#5 CaloBM

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Posted 11 December 2016 - 04:15 AM

I have an answer to this matter - I had the same problem and i managed to fix it, i'll show you how:

 

If you have just downloaded an MPEG4 file, it may need some time to process before opening. If the File you download looks like this: mpeg4-4399.png it means you can't open it, you'll have to wait some time before opening



#6 Rocky Bennett

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Posted 13 December 2016 - 12:59 PM

I also vote for VLC, it will handle this easily. Do not even mess with Quicktime for this type of file.

 

 

http://www.videolan.org/vlc/index.html


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#7 CaloBM

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Posted 15 December 2016 - 11:09 AM

If it works with VLC and not QuickTime, try checking for and update on QuickTime or redownload QuickTime.




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