[mythtv] Why nuppelvideo mpeg4?

Torbjörn Jansson torbjorn.jansson at mbox200.swipnet.se
Mon Aug 8 14:40:57 EDT 2005

mythtv-dev-bounces at mythtv.org <> wrote:
> I was wondering why we are using the nuppelvideo container
> for mpeg4? It
> can't be hard to convert to a different format - nuv2avi works great.
> Why is it that we're not using avi's (for example) rather
> than nuv's to store the files? 

Because the avi file format does not have timestamps, it asumes a fixed
frame rate.
And avi files are not designed to be streamed (atleast not in the same way
as nuv).

> mplayer (used by xbmc) has a lot of issues with the
> .nuv files, and unless you have the special codecs installed
> on windows
> .nuv mpeg4 files will not play.

mplayers problem and not mythtvs.

> How hard would it be (and are there any reasons no to) modify the code
> such that it will generate more friendly mpeg4 files?


> p.s. what is all the seek information in the DB for?  why isn't that
> in the video file itself? 

Because the file may not have finished recording and it might be mpeg2

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