New tags for better transitions between tracks.

Hi All,
    I've been playing with some new metadata tags for a
while and I 
think I'm ready to share the joy. I've set up a puny
webserver at 
http://phipp
o.is-a-geek.com/mixramp.html (please don't slashdot it)
with 
some patches to implement and use the tags.

The patch for metaflac applies to the current CVS FLAC and
adds the 
command line option --add-mix-ramp. This is a shameless rip
off of the 
Replay Gain code and it creates some new VC tags.

The other patches are for mpd and mpc since that's what I
use to listen. 
The patches apply to current SVN.

I'd like to get this into FLAC so I don't have to maintain
the patch, 
should I submit a feature request?

Cheers,
Tim.

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I don't know the validity of this crossfading-metadata
technique,
because I haven't tested it yet.  What's scary though it's
the use of
code from different projects with different licenses, when
the patch
itself claims no license.  This makes it impossible at the
moment to
add it to the FLAC trunk due to possible licensing
conflicts.

My suggestion: make it more clear what code did you take
from other
projects, what licenses were used, and what license does
your patch
fall in.

-Ivo
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Ivo Emanuel Gonçalves wrote:
> My suggestion: make it more clear what code did you
take from other
> projects, what licenses were used, and what license
does your patch
> fall in.

Maybe I shouldn't have used the word stolen while SCOx are
in the news 

What I did for the metaflac patch was to copy the method
used to 
generate Replay Gain tags and extend it to record the time
and volume 
profile at the start and end of tracks. The Replay Gain code
is from 
metaflac so I guess that's covered by GPL. I'm happy to give
the 
copyright to the metaflac patch to Xiph or anyone that will
put it in 
FLAC. More than happy, to paraphrase Spiderman: With great
copyright 
ownership comes great hordes of blood-sucking
ambulance-chasers.

The MPD patches were done in a similar way using the Replay
Gain and 
crossfade code from MPD. There isn't any code copied from
one project to 
another.

Hope this helps,
Tim.
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