[CM] snd-8.5 alsa problems

[junky2 at mail.bg]

Цитат на писмо от cmdist-request at ccrma.Stanford.EDU:

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> Today's Topics:
>
>    1. Fw: Re: [CM] CLM and file sizes? (Bill
> Schottstaedt)
>    2. Re: Fw: Re: [CM] CLM and file sizes? (Fernando
> Lopez-Lezcano)
>    3. Re: Fw: Re: [CM] CLM and file sizes? (Bill
> Schottstaedt)
>    4. Re: Fw: Re: [CM] CLM and file sizes? (Bill
> Schottstaedt)
>
> --__--__--
>
> Message: 1
> From: "Bill Schottstaedt" <bil at ccrma.Stanford.EDU>
> To: cmdist at ccrma.Stanford.EDU
> Subject: Fw: Re: [CM] CLM and file sizes?
> Date: Fri, 10 Nov 2006 13:52:54 -0800
>
>
> ---------- Forwarded Message -----------
> From: "Bill Schottstaedt" <bil at ccrma.Stanford.EDU>
> To: Joseph Anderson <j.anderson at hull.ac.uk>
> Sent: Fri, 10 Nov 2006 13:52:26 -0800
> Subject: Re: [CM] CLM and file sizes?
>
> I think the problem is that AIFC and wave headers have
> 32-bit size fields,
> whereas Next-style headers ignore the size field if it is
> obviously wrong.
> I got the same bug you reported writing an AIFC file, but
> I've written
> a 7 hour 2-channel 44KHz file (4.23 GBytes) using
> mus-next as the
> header type.  So it's a bug in sndlib, not OSX.  I'm not
> sure there's
> a real solution for the AIFC/RIFF cases -- if I limit the
> written size to
> 31 bits, you can probably get all the data, but most
> programs won't notice
> it.
> ------- End of Forwarded Message -------
>
>
> --__--__--
>
> Message: 2
> Subject: Re: Fw: Re: [CM] CLM and file sizes?
> From: Fernando Lopez-Lezcano <nando at ccrma.Stanford.EDU>
> To: Bill Schottstaedt <bil at ccrma.Stanford.EDU>
> Cc: cmdist at ccrma.Stanford.EDU
> Date: Fri, 10 Nov 2006 15:33:35 -0800
>
> On Fri, 2006-11-10 at 13:52 -0800, Bill Schottstaedt
> wrote:
> > I think the problem is that AIFC and wave headers have
> 32-bit size fields,
> > whereas Next-style headers ignore the size field if it
> is obviously wrong.
> > I got the same bug you reported writing an AIFC file,
> but I've written
> > a 7 hour 2-channel 44KHz file (4.23 GBytes) using
> mus-next as the
> > header type.  So it's a bug in sndlib, not OSX.  I'm
> not sure there's
> > a real solution for the AIFC/RIFF cases -- if I limit
> the written size to
> > 31 bits, you can probably get all the data, but most
> programs won't notice
> > it.
>
> I think there's a "w64" format that goes above the 2G
> limit of wav
> files. Timemachine uses it by default (through
> libsndfile, I think), and
> Ardour is going to use it in its new 2.x version,
> otherwise length of
> recording time available for high sampling rates becomes
> unacceptably
> low.
>
> -- Fernando
>
>
>
> --__--__--
>
> Message: 3
> From: "Bill Schottstaedt" <bil at ccrma.Stanford.EDU>
> To: Fernando Lopez-Lezcano <nando at ccrma.Stanford.EDU>
> Cc: cmdist at ccrma.Stanford.EDU
> Subject: Re: Fw: Re: [CM] CLM and file sizes?
> Date: Fri, 10 Nov 2006 16:27:08 -0800
>
> sndlib calls that the "soundforge" format -- I could add
> write support for
> it everywhere, but I got it by reverse engineering
> soundforge files and
> others then copied me, as far as I know.  It would be
> better to have something
> known to be free and less of a kludge.
>
>
> --__--__--
>
> Message: 4
> From: "Bill Schottstaedt" <bil at ccrma.Stanford.EDU>
> To: cmdist at ccrma.Stanford.EDU
> Subject: Re: Fw: Re: [CM] CLM and file sizes?
> Date: Sat, 11 Nov 2006 11:13:02 -0800
>
> On the 64 bit file spec, I think Ardour plans to use
> rf64:
>
>
http://www.ebu.ch/CMSimages/en/tec_doc_t3306_tcm6-42570.pdf
>
> not w64 -- this looks fine to me -- I'll add sndlib
> support for it,
> and tie it all into Snd/CLM.  Now to find an example
> audio file
> for testing...
>
>
>
> --__--__--
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