can "MAD: MPEG Audio Decoder" be used for a codec

[E-Male]

"MAD: MPEG Audio Decoder" ( http://www.mars.org/home/rob/proj/mpeg/ ) is an open source decoder that can decode mpeg audio including mp3, it´s said to be very good and i won´t say anything against that

maybe someone can use it´s source for an audio codec so we can have the great audio quality of it when watching video files

thx in advance to anyone looking in that
CU
E-Male

[ChristianHJW]

It was on my To-Do list to talk to the MAD author about adding an UCI interface to his decoder, but this is not high priority now, given the development status of UCI right now.

I seem to remember there was a Dshow filter based on MAD floating around ... anybody knows where to get it ?

[rjamorim]

Well, you can already get great audio quality with the default MP3 decoder filter (FhG). According to the mp3decoder test (down ATM), it performs very well.

Anyway, you can check FhG vs. MAD in ff123's page:
http://ff123.net/madchallenge.html
According to the results, there are differences between the two decoders. But they are too subtle, so, it's not significative if one is better or worse.

I seem to remember there was a Dshow filter based on MAD floating around ... anybody knows where to get it ?

All I could find was this, in the MAD mailing list:
(Quoting Rob Leslie: )
- I recently heard from someone who is working on a DirectShow filter for MAD. I believe this will allow MAD to be used in apps like Windows Media Player. According to the author, the core is almost finished.

Regards;

Roberto.

[ChristianHJW]

rjamorim,

i agree there is probably no big advantage of a MAD based DirectShow filter for MPEG audio decoding when being compared to the existing Fraunhofer filters that are coming with every Windows installation. Maybe CPU performance on older PCs could be an issue, but i dont think the MAD filter can outperform existing filters significantly here.

What makes MAD so very much interesting for me is the fact that we cant add an UCI interface to the Fraunhofer decoder .... lol ... ;) ! Email to rob was sent ...

[DSPguru]

http://forum.doom9.org/showthread.php?s=&threadid=23970

[rjamorim]

Originally posted by DSPguru
http://forum.doom9.org/showthread.php?s=&threadid=23970

That thread has wrong information. It's very unlikely Elecard uses MAD for their dsf, since MAD is GPLd, and nowhere in OdioDekoda the GPL is mentioned.

Of course, they could be breaking the GPL. But that would be very stupid, since there are lots of BSDish MP3 decoding sources floating around.

Regards;

R.

[Alestrix]

and nowhere in MAD the GPL is mentioned.
I guess you have a typo there? :)

- aL

[rjamorim]

Originally posted by Alestrix
and nowhere in MAD the GPL is mentioned.
I guess you have a typo there? :)

- aL

Right. :D

Fixed already. Thanks for mentioning it.