[MPlayer-dev-eng] [PATCH] Added Multi-channel MP3 on MP4 audio decoding

Larry Ruedisueli lwr at audioresearchlabs.com
Wed Nov 17 00:01:16 CET 2004


Roberto Togni wrote:
> On 2004.11.16 22:03, Larry Ruedisueli wrote:
> 
>> I'm still hoping this patch might get excepted.  I put two
>> mp4 movie test clips with 5.1 audio tracks at:
>>
>> http://www.audioresearchlabs.com/mplayer/red.mp4
>> http://www.audioresearchlabs.com/mplayer/lotr.mp4
>>
>> We've been considering making a similar patch for mencoder
>> so that it can produce mp4 movie files with 5.1 mp3 audio,
>> let me know if there is any interest.
> 
> 
> Sorry, i completely forgot about this patch :(
> 
> I'll look at it in the next few days.
> 
> BTW, if the codec is quite complex (ie. not just 3 copies of mp3  
> decoder running together), it would be better to add it to ffmpeg  
> instead off mplayer (most video codecs were ported to ffmpeg, audio  
> will be next).
> Are you interested in looking at it?
> 

ok, thanks for taking a look at it.  It really is just 3 or 4 copies of
mp3 decoders running together with a little glue and fifty or
so lines of code that restore the mp3 headers.  So it seems like a
better fit for mplayer.

Thanks again,
Larry




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