[LAD] Ardour session archiver (Was: new lossless/lossy audio compressor)

Stefan Kost ensonic at hora-obscura.de
Wed Aug 1 08:57:28 UTC 2007


hi,

Paul Winkler wrote:
> On Tue, Jul 31, 2007 at 10:25:34PM +0200, Marc-Olivier Barre wrote:
>> I been thinking of the same thing... can't ardour handle FLAC files
>> natively ?
> 
> Nope.
> 
>> a simple script in <you-name-it> language calling flac to
>> to compress the audio and change the session file to match the new
>> names should work I think.
>>
>> Thoughts anyone ?
> 
> That'd be nice but as I said earlier, FLAC can't handle Ardour's wav
> files:
> 
> pw at kermit sounds $ flac Audio\ 1-1.wav 
> 
> flac 1.1.2, Copyright (C) 2000,2001,2002,2003,2004,2005  Josh Coalson
> flac comes with ABSOLUTELY NO WARRANTY.  This is free software, and
> you are
> welcome to redistribute it under certain conditions.  Type `flac' for
> details.
> 
> options: -P 4096 -b 4608 -m -l 8 -q 0 -r 3,3
> Audio 1-1.wav: ERROR: unsupported compression type 3

Seems that ardor uses WAVE_FORMAT_IEEE_FLOAT and flac can only do pcm.
http://flac.sourceforge.net/faq.html#general__samples
That make flac not idea for that purpose. If one still wants to do that,
gstreamer could do the converion and en/decoding.

Stefan

> 
> 
> But as pointed out earlier in the thread, wavpack is open source and
> it seems to work.
> 




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