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[Cs-dev] Fw: [Csnd] Re: RE: realtime error CsoundAV

Date2007-12-19 21:03
From"Art Hunkins"
Subject[Cs-dev] Fw: [Csnd] Re: RE: realtime error CsoundAV
> In my experience, CsoundAV always had significantly better realtime audio 
> response than canonical Csound. Even though faster computers have 
> mitigated the significance of this difference, I'll be very interested, 
> Gab, in how you deal with Portaudio. Is your developer (alpha) version of 
> CsoundAV5 publiclly available? (If so, I'd like to give it a try.)
>
> A question for Rory: is Lettuce likely to be compatible (at least for 
> audio purposes) with CsoundAV5, or will use of the Csound API somehow 
> prevent this? (For one thing, I really prefer working with the Lettuce GUI 
> capability rather than FLTK.)
>
> Art Hunkins
> ----- Original Message ----- 
> From: "Gabry Maldonado" 
> To: 
> Sent: Tuesday, December 18, 2007 3:52 AM
> Subject: [Csnd] Re: RE: realtime error CsoundAV
>
>
>> Canonical Csound5 superseded CsoundAV, but it doesn't support video and
>> OpenGL realtime motion graphics yet.
>> A CsoundAV5 alpha version (based on on Canonical Csound5) has been
>> posted to the developers some time ago (I don't use CVS).
>>
>> Some (little) changes to the core of Csound5 have been necessary to work
>> with OpenGL realtime motion graphics, so a simple opcode library
>> containing OpenGL opcodes is not sufficient. Unfortunately, I noticed
>> that the Portaudio code of Csound5 is not as responsive as the one of
>> CsoundAV for realtime control so far, at least on my WinXp computer.
>> Until now I 've not had the time to indagate and to adapt the portaudio
>> code of CsoundAV to CsoundAV5. So motion graphics is stuttering when
>> using audio AND graphics in CsoundAV5 alpha. But, if audio is
>> suppressed, graphic motion is quite smooth.
>>
>> Gabriel Maldonado
>>
>> Iain McCurdy ha scritto:
>>> Hi Dave,
>>>
>>> Can you give us some more info as regards what Csound file you are 
>>> trying to run? It is likely that it is only designed to run using 
>>> Csound5. CsoundAV has more or less been superseded by Csound5. Most of 
>>> CsoundAV is now contained within Csound5 and Csound5 contains loads that 
>>> CsoundAV doesn't. As far as I am aware CsoundAV hasn't been maintained 
>>> for several years now. In short... use Csound5!
>>>
>>> Bye,
>>> Iain
>>>
>>>     ------------------------------------------------------------------------
>>>     Date: Fri, 14 Dec 2007 13:41:22 -0800
>>>     From: ledolcevida@yahoo.com
>>>     To: csound@lists.bath.ac.uk
>>>     Subject: [Csnd] realtime error CsoundAV
>>>
>>>     Hey all,
>>>
>>>     I am trying to compile some realtime examples under csoundAV .0432
>>>     and i get the following error:
>>>
>>>      " rtevent:       T  0.000 TT  0.000 M:new alloc for instr 3:
>>>     error skipping unknown chunk in WAV file."
>>>
>>>     No wave files are used only .pvx files. Any ideas thanks again.
>>>
>>>
>>>     Dave Hanft
>>>
>>>     ------------------------------------------------------------------------
>>>     Looking for last minute shopping deals? Find them fast with Yahoo!
>>>     Search.
>>>
>>> 
>>>
>>>
>>> ------------------------------------------------------------------------
>>> Don't get caught with egg on your face. Play Chicktionary! Check it out! 
>>> 
>>
>>
>>
>> Send bugs reports to this list.
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe 
>> csound"
> 


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