[Matroska-users] Re: .mkv files in Media Player Classic?

Christian HJ Wiesner chris at matroska.org
Fri Sep 9 21:20:25 CEST 2005


Dear Joe,

matroska is not a format, but a container and MKV files can contain many 
different audio, video and subtitles tracks, and those can be using many 
different audio and video compression formats.
For any DirectShow based player, once you have the parsing filters for 
the container, you also need the right decoder filters for the video 
compression format. MPC is coming with such a parser of its own, but 
then it still requires the right decoder filters for playing the MKV file.

To be able to help you, we need to know what video codec was used in 
this MKV file. To do so, we distribute a tool called matroskadiag.exe in 
the matroska full pack, it will analyze your file and find out what 
video codec was used. If it knows the codec, it will even point you to a 
place where you can download it.

As for VLC, its not DirectShow based and can normally play most MKV 
files out of the box, because it will have decoders for the most used 
video codecs coming with the player. However, some video codecs that are 
used a lot in MKV files, such as Realvideo and ON2VP6/7, dont have free, 
usable decoder libraries for integrartion into VLC, and thus are not 
supported. I expect your file contains Realvideo, RV9/RV10, as we get 
most of the complaints of not working MKV files for this video codec.

Christian
matroska project admin

P.S. Please direct requests like this to the mailing list adress 
matroska-users at lists.matroska.org, it was made specifically for user 
questions and the big advantage is that you can receive help from other 
team members also

joe schrieb:

> Dear Chris,
>     
>             I'm currently using media player classic as my primary 
> video player. Using the latest version (8.4) i can only get audio when 
> playing a .mkv file. MPC is listed on your site with several other 
> players (VLC plays .mkv files fine for me) that are compatible with 
> this format. I was wondering what it is i need to do to get this to work?
> Thank 
> you,                                                                                       
> Joe Johnston




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