[Matroska-users] HELP

Ivan Kowalenko ivan.kowalenko at gmail.com
Fri Jun 22 08:54:34 CEST 2007


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On Jun 18, 2007, at 12.06, BlumeR wrote:

>
> Welcome
>
> I have a question about one file played on my pc of course  
> file .mkv. I use player Media Player Classic, Zoom Player and all  
> video goes like in slow motion sometimes stops but the audio/sound  
> is ok. What is goinng wrong. I send you a raport of this file by  
> MatroskaDiag if it helps you to solve this problem.

It is difficult to give you an exact description of what is going  
wrong since we have insufficient data from which to draw a  
conclusion. Additional information would help, such as your  
computer's specifications. My guess, however, is that your computer  
is probably not powerful enough to decode this video. It's a 720p  
(usually 1280x720, sometimes vertically smaller) H.264 stream which  
is VERY processor intensive. According to Apple HD System  
Recommendations (http://www.apple.com/quicktime/guide/hd/ 
recommendations.html) a system decoding H.264 using the QuickTime  
codec should clock in as at least a 2.8 GHz P4. Of course, your  
milage may vary, and to be absolutely sure what's wrong, try playing  
the video in VLC. VLC is often more forgiving towards older systems  
and uses highly efficient codecs. More importently: it will give you  
a verbose error describing what's wrong, and if it can't decode the  
video because your computer is too slow, it will tell you.
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