[mythtv] Musings On Standard File Formats

Robert Middleswarth robert at middleswarth.net
Mon Apr 21 22:01:49 EDT 2003


Matt Zimmerman wrote:

>On Mon, Apr 21, 2003 at 12:47:22AM -0400, James Knight wrote:
>
>  
>
>>The MPEG-4 standard container format (aka Quicktime container) should do
>>everything you want to do. I'm no expert on the NuppelVideo format, so I'm
>>not sure exactly what features you need, but the QT container is
>>*extremely* extensible, and seems to have a lot of built-in features
>>already like text tracks for subtitles, etc. Since it's part of the MPEG-4
>>standard, support for it should not be a problem.
>>    
>>
>
>I'm not familiar with it either, though apparently there are technical
>specifications available on the web, e.g.:
>
>http://developer.apple.com/techpubs/quicktime/qtdevdocs/QTFF/qtff.html
>
>I am unaware of any open source libraries for writing these files, so using
>this format would involve writing a significant amount of new code, which
>would not add significant value to MythTV itself.
>  
>
http://heroinewarrior.com/quicktime.php3

ask and you shell recieve.  Althought I am not sure that a switch is 
needed but there is a linux GPL library out there already.

Robert

>>I don't see much advantage in changing containers at this point in time
>>(seems like a lot of work for not too much gain), but if a change *were*
>>to happen, I think it'd make the most sense to switch to the standard
>>MPEG-4 container rather than some half-baked container like OGG or
>>something really crappy like AVI.
>>    
>>
>
>I wouldn't consider Ogg to be half-baked at all, only incomplete where video
>is concerned.  For audio, it is the best thing going.
>



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