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[Cs-dev] ogg, flac, mp3

Date2007-06-26 19:52
From"Dr. Richard Boulanger"
Subject[Cs-dev] ogg, flac, mp3
Dear John, Victor, Steven, Anthony, Simon, Andres, Michael, Rory, and  
Jean,

Hello.

I am here at OLPC meeting with several of the developers and they  
were speaking about file formats.

There is a hope here that Csound5 would read and write the following  
formats:

ogg - http://vorbis.com/
flac - http://flac.sourceforge.net/
mp3 - maybe lame as in Audacity? http://lame.sourceforge.net/index.php

What do you think?

Can one of you consider adding read and write support for some of  
these formats to Csound5?

Hope you are all well.
Wishing you all the best.

Rick



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Date2007-06-26 21:07
Fromjpff
SubjectRe: [Cs-dev] ogg, flac, mp3
We use libsndfile for audio I/O.
This means we have FLAC now.OGG is a problem (I have had some private
conversations with Erik about this).  MP3 is a no-no on account of
licences.  In at least Linux we can read with with the "lamsxxx.mp3|"
style syntax of whatever it was.

==John ffitch

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Date2007-06-26 21:37
Fromjpff
SubjectRe: [Cs-dev] ogg, flac, mp3
PS : We can also write ogg and mp3 with the -o "|oggenc > foo.og"
syntax

I cannot see how mp3 can be incorporated legally which the stupid
patents have any force (personal opinion; your views may vary; etc etc)
==John ffitch

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Date2007-06-26 21:42
FromErik de Castro Lopo
SubjectRe: [Cs-dev] ogg, flac, mp3
jpff wrote:

> I cannot see how mp3 can be incorporated legally which the stupid
> patents have any force (personal opinion; your views may vary; etc etc)

I agree completely and thats why libsndfile doesn;t support MP3.
See:

    http://www.mp3licensing.com/royalty/software.html

Erik
-- 
-----------------------------------------------------------------
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Date2007-06-26 21:51
FromJean Piché
SubjectRe: [Cs-dev] ogg, flac, mp3
On 26-Jun-07, at 4:37 PM, jpff wrote:

> PS : We can also write ogg and mp3 with the -o "|oggenc > foo.og"
> syntax


errr... that currently works??


>
> I cannot see how mp3 can be incorporated legally which the stupid
> patents have any force (personal opinion; your views may vary; etc  
> etc)
> ==John ffitch


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Date2007-06-27 08:21
From"David Akbari"
SubjectRe: [Cs-dev] ogg, flac, mp3
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Date2007-06-27 20:32
FromGreg Thompson
Subject[Cs-dev] csound 5 API
few questions on the API:

Is it possible to pass a csd or orc/sco through the API without  
requiring it to read it from a file?

I haven't parsed through much of the code, but it appears Csound  
writes tmp files .. does this happen when compiling or only for misc  
functions?

greg



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