Re: [sc-users] soundfile size advice

[Josh Parmenter <josh@xxxxxxxxxxxxxxxxx>]

yeah - the \b_read command is failing, which means that the sf_open  
function in scsynth is returning NULL (that is where this error prints  
from). Thing is, other libsndfile based programs CAN open it, so that  
is where part of the mystery is...

Josh

On May 9, 2009, at 9:42 PM, Karsten Gebbert wrote:

> Sciss said :
> > i am using W64 with eisenkraut, no problem, so scsynth can certainly
> > open them. maybe is a problem of the client side SoundFile class?
>
> How big are your files in general? Do they exceed 4G? I tried this
> format and different sizes both small and above 4G and only the  
> smaller
> files worked.
> I never use the SoundFile class so I can't tell really, but I am sure
> this is also a problem with scsynth as the files won't load even when
> use osc messaging style.
>
>
>
>
> > ciao, -sciss-
> >
> > Am 08.05.2009 um 06:03 schrieb Karsten Gebbert:
> >
> > > Hi Erik,
> > >
> > > Erik de Castro Lopo said :
> > > > Karsten Gebbert wrote:
> > > >
> > > > > me and a friend have been wondering what file format to use when
> > > > > reading/writing large multichannel soundfiles ( >= 4G the limit of
> > > > > what
> > > > > "WAV" can handle). I saw that libsndfile does read/write "W64"  
> > > > > which
> > > > > theoretically does what I want, but when trying to cue a 8G/16
> > > > > channel
> > > > > file it just tells me it can't open it.
> > > >
> > > > What does the sndfile-info program say about this file?
> > >
> > > ~$ sndfile-info 24ch.w64
> > >
> > > Version : libsndfile-1.0.18
> > >
> > > ========================================
> > > File : 24ch.w64
> > > Length : 8294400112
> > > riff : 8294400112
> > > wave
> > > fmt : 48
> > >  Format        : 0x1 => WAVE_FORMAT_PCM
> > >  Channels      : 24
> > >  Sample Rate   : 48000
> > >  Block Align   : 48
> > >  Bit Width     : 16
> > >  Bytes/sec     : 2304000
> > > data : 8294400024
> > >
> > > ----------------------------------------
> > > Sample Rate : 48000
> > > Frames      : 172800000
> > > Channels    : 24
> > > Format      : 0x000B0002
> > > Sections    : 1
> > > Seekable    : TRUE
> > > Duration    : 01:00:00.000
> > > Signal Max  : 0 (-inf dB)
> > >
> > > I hope this helps. Its strange to me how SC can't read this since  
> > > its
> > > made with audacity (which afaik uses libsndfile too). Could it be  
> > > that
> > > audactity is messing it up so that SC can't read it? I doubt that
> > > thats
> > > the reason though as other programs can read and play this file
> > > (i.e. ecasound).
> > >
> > > Karsten	
> > >
> > > --
> > > -- http://krgn.goto10.org
> >
> >
> > _______________________________________________
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> >
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>
> --
> -- http://krgn.goto10.org

******************************************
/* Joshua D. Parmenter
http://www.realizedsound.net/josh/

“Every composer – at all times and in all cases – gives his own  
interpretation of how modern society is structured: whether actively  
or passively, consciously or unconsciously, he makes choices in this  
regard. He may be conservative or he may subject himself to continual  
renewal; or he may strive for a revolutionary, historical or social  
palingenesis." - Luigi Nono
*/


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