[mythtv-users] NUV TO WINDOWS PC

Ken Bass kbass at kenbass.com
Tue Nov 8 15:16:41 EST 2005


Raphael Pooser wrote:

> So, there is the built in software transcoder in myth, and you can use
> that to transcode to mpeg4.  Once you do that, the files are named
> still with extension .nuv.  Can you open and play those in windows
> media player (or any other player for windows like ati fileplayer for
> example)?  In your example you changed the extension to .avi but
> otherwise it looks to do about that same as if you used the transcoder
> in myth, except that you are tailoring the files to be much smaller
> for your own purposes.
> Raphael

Think of .avi not as a specific encoding but as a 'container'. It is a
flexible file format which
contains different encoded data and slaps a 'header' onto the data to
indicate what type is inside the file. Regardless, you'll need a codec
installed on your machine to understand however the data was encoded.
And you need to know what is inside that .avi file so you know what
codec you need.

Windows Media Player comes with many codecs installed. The encoder
command Martin mentioned in this 'mencoder' command used the 'msmpeg4v2'
which is the Microsoft MPEG4 Version 2 codec which is supported in
Windows XP SP2.

Here is the default list of codecs for WMP 9/10.
http://support.microsoft.com/default.aspx?scid=kb;en-us;899113#appliesto

Windows Media Player does not come with MPEG-2 codec installed. However,
most people who have installed a DVD application such as PowerDVD or
WinDVD will have a codec installed by those applications so it works on
those machines. When WMP tries to play MPEG-2 it will use the codec
installed by the DVD application.


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