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-   -   I can't play MP4, Please help! (https://www.dvinfo.net/forum/distribution-center/110515-i-cant-play-mp4-please-help.html)

Aric Mannion December 18th, 2007 10:40 AM
I can't play MP4, Please help!
 
I have a powerbook and I can't seem to play a lot of the mp4s. Sometimes they open with a white screen and other times I get an error: "invalid sample description was found in the movie"
I'm using quicktime 7.2 I would think that mp4 is the one thing quicktime should always open.

Paulo Teixeira December 21st, 2007 05:58 PM
I don’t know if this will help but you should try reinstalling QuickTime.

Alessandro Machi December 22nd, 2007 12:32 AM
Quote:
Originally Posted by Aric Mannion (Post 794694)
I have a powerbook and I can't seem to play a lot of the mp4s. Sometimes they open with a white screen and other times I get an error: "invalid sample description was found in the movie"
I'm using quicktime 7.2 I would think that mp4 is the one thing quicktime should always open.
This will sound simplistic but try reloading the page. I don't know if I read the explanation correctly but the computer may require a reload, first comes the sound, then comes the picture.

David Angelas December 27th, 2007 03:29 AM
May be it's a codec problem?
download latest Quicktime Alternative codec
http://www.free-codecs.com/download/...ative_Lite.htm

Emre Safak December 27th, 2007 01:06 PM
Try changing the extension to 3GP. Did you capture your video with a cell phone?


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