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2008-06-14T11:09:15Z

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Re: Creating/using MIDI ports with external device, how to start?

2008-05-30T10:50:46Z

> Craig Latta was planning to port to these OSs- see this thread:
> http://www.nabble.com/MIDI-support-td13476203.html#a15745241
>
> Craig, any news?

I'm planning a 2008-06-20 (solstice) release of Spoon[1],
featuring a module system, and a 2008-09-22 (equinox) release of
Quoth[2], which I plan to deploy using that module system and which
includes my MIDI work. Sooner if I win the lottery... that would free up
another 40 hours a week. :)

thanks,

-C

[1] http://netjam.org/spoon
[2] http://netjam.org/quoth

--
Craig Latta
improvisational musical informaticist
www.netjam.org
Smalltalkers do: [:it | All with: Class, (And love: it)]

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Re: [squeak-dev] Creating/using MIDI ports with external device, how to start?

2008-05-30T07:50:55Z

John Richards wrote:

The physical device and midi/usb interface are present and working
(verified by other software on the system which sees them). So my problem
seems to be not knowing how to bind them to a new midi port so it can be
used by Squeak.

John

Hi John, just fired up my Windows partition to try again.

I evaluated MIDISynth>>example

This pops a menu, in which my device is listed: USB Audio Device (in)

When I select that, the keyboard plays.

Here's the example code:

example
"Here's one way to run the MIDI synth. It will get a nice Morphic UI later. Click the mouse to stop running it. (Mac users note: be sure you have MIDI interface adaptor plugged in, or Squeak will hang waiting for the external clock signal.)."
"MIDISynth example"

| portNum synth |
portNum := SimpleMIDIPort inputPortNumFromUser.
portNum ifNil: [^ self].
SoundPlayer useShortBuffer.
synth := MIDISynth new
midiPort: (SimpleMIDIPort openOnPortNumber: portNum).
synth midiParser ignoreCommand: 224. "filter out pitch bends"
1 to: 16 do: [:i |
(synth channel: i) instrument:
(AbstractSound soundNamed: 'oboe1')].
1 to: 16 do: [:ch | synth volumeForChannel: ch put: 0.2].

synth processMIDIUntilMouseDown.
SoundPlayer shutDown; initialize. "revert to normal buffer size"

Hope this helps, ...Stan

Re: [squeak-dev] Creating/using MIDI ports with external device, how to start?

2008-05-30T05:21:04Z

The physical device and midi/usb interface are present and working (verified by other software on the system which sees them). So my problem seems to be not knowing how to bind them to a new midi port so it can be used by Squeak.

John

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cc	squeakaudio@...
Subject	Re: [SqueakAudio] [squeak-dev] Creating/using MIDI ports with external device, how to start?

Quoting John Richards <ajtr@...>: > I'm trying to open a midi port to receive incoming midi commands and am > completely stuck (after a week of trying everything I can think of). I've > confirmed that the MIDIPlugin is loaded. I've tried on both Windows XP > and MacOS. The only port I have available is this: > > MIDI Ports: > 0: QuickTime MIDI (out) > > > John Hi John, I am not an expert in this area, but I did get MIDI-in working on Windows. I think you'll need a physical MIDI input device, e.g. if you can borrow a USB (piano) keyboard, or something like a MIDISport box. Squeak just sees what the system sees. I don't believe you'll be able to automagically conjure up a port. If you evaluate SimpleMIDIPort midiIsSupported, you should get true on Windows, and false on OSX and Linux. So you'll only be able to do MIDI-in on Windows, for the moment. Craig Latta was planning to port to these OSs- see this thread: http://www.nabble.com/MIDI-support-td13476203.html#a15745241 Craig, any news? Cheers, ...Stan _______________________________________________ SqueakAudio mailing list SqueakAudio@... http://lists.create.ucsb.edu/mailman/listinfo/squeakaudio

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Re: [squeak-dev] Creating/using MIDI ports with external device, how to start?

2008-05-30T04:01:25Z

Quoting John Richards <ajtr@...>:

> I'm trying to open a midi port to receive incoming midi commands and am
> completely stuck (after a week of trying everything I can think of). I've
> confirmed that the MIDIPlugin is loaded. I've tried on both Windows XP
> and MacOS. The only port I have available is this:
>
> MIDI Ports:
> 0: QuickTime MIDI (out)
>
>
> John

Hi John,

I am not an expert in this area, but I did get MIDI-in working on Windows. I
think you'll need a physical MIDI input device, e.g. if you can borrow a USB
(piano) keyboard, or something like a MIDISport box. Squeak just sees what the
system sees. I don't believe you'll be able to automagically conjure up a port.

If you evaluate SimpleMIDIPort midiIsSupported, you should get true on Windows,
and false on OSX and Linux. So you'll only be able to do MIDI-in on Windows, for
the moment.

Craig Latta was planning to port to these OSs- see this thread:
http://www.nabble.com/MIDI-support-td13476203.html#a15745241

Craig, any news?

Cheers, ...Stan

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Creating/using MIDI ports with external device, how to start?

2008-05-29T06:03:57Z

I'm trying to open a midi port to receive incoming midi commands from external keyboard and am completely stuck (after a week of trying everything I can think of). I've confirmed that the MIDIPlugin is loaded. I've tried on both Windows XP and MacOS. The only port I have available is this:

MIDI Ports:
0: QuickTime MIDI (out)

Everything I have tried to create a new one has failed in the midi open primitive.

I suspect I'm just being dumb and there is an obvious incantation (hope so anyway).

Thanks so much for any advice you can provide.

John
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newbie audio thanks

2008-05-20T19:03:50Z

Thanks all for the info on squeak audio. Glad to have confirmation of .ogg/ mp3 support. With luck, I'll be back later in the summer with some intelligent questions about OSC etc.

Ken

__________________________________
Kenneth Sherwood, PhD
Associate Professor of English
Graduate Program in Literature and Criticism
110 Leonard Hall
Indiana University of Pennsylvania
Indiana, PA 15705

www.sherwoodweb.org
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Re: Port of Siren

2008-05-20T08:09:03Z

Siren 3.X ran on Squeak, then I moved back to VW.
Most of the kernel classes are quite portable.
Most of the GUI is not.

stp

--
Stephen Travis Pope -- Santa Barbara, California, USA
http://HeavenEverywhere.com http://FASTLabInc.com

On May 20, 2008, at 1:11 AM, Serge Stinckwich wrote:

> Hi all,
> is there any work to port the Siren Smoke classes to Squeak ?
> The problem then is how to sync the VW version with other versions.
> I guess Seaside got the same problem.
>
> --
> Serge Stinckwich
> http://blog.doesnotunderstand.org/
> _______________________________________________
> SqueakAudio mailing list
> SqueakAudio@...
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Port of Siren

2008-05-20T01:11:43Z

Hi all,
is there any work to port the Siren Smoke classes to Squeak ?
The problem then is how to sync the VW version with other versions.
I guess Seaside got the same problem.

--
Serge Stinckwich
http://blog.doesnotunderstand.org/
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Re: [Newbies] audio query

2008-05-20T00:03:59Z

Brad Fuller
> Stéphane Rollandin has create µO
> (http://www.zogotounga.net/comp/squeak/sqgeo.htm
> <http://www.zogotounga.net/comp/squeak/sqgeo.htm>). I don't know the
> current state. Maybe Cesare and Stéphane can give us an update.

as for µO, it is still actively developped, but it is not oriented
towards interactive performance nor video at all. it is mainly intended
for non real-time composition, with an emphasis on MIDI and Csound and
no specific support for compressed audio or synthesis. not what is
wanted, then...

Stef
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Re: [Newbies] audio query

2008-05-19T22:24:42Z

Hi Ken,

You can play mp3 files within Squeak, and ogg is now available in
Etoys, but I'm not that familiar with the inclusion.
OSC is available in squeak
(http://map.squeak.org/package/61f807be-83a3-4944-bfa1-686ddac7153c
<http://map.squeak.org/package/61f807be-83a3-4944-bfa1-686ddac7153c>)
so you can interface with programs like SuperCollider which is what
Cesare Marilungo is doing..
(http://www.cesaremarilungo.com/sw/supercollider-morphs-for-squeak
<http://www.cesaremarilungo.com/sw/supercollider-morphs-for-squeak>)
Stéphane Rollandin has create µO
(http://www.zogotounga.net/comp/squeak/sqgeo.htm
<http://www.zogotounga.net/comp/squeak/sqgeo.htm>). I don't know the
current state. Maybe Cesare and Stéphane can give us an update. Craig
Latta had done some work with midi, but I don't think it's integrated
into the main image. Craig?

(I'm forwarding your email to the SqueakAudio mailing list.)

---------- Forwarded message ----------
From: Kenneth Sherwood <kwsherwood@... <mailto:kwsherwood@...>>
Date: Mon, May 19, 2008 at 6:35 PM
Subject: [Newbies] audio query
To: beginners@...
<mailto:beginners@...>

As a writer and non-programmer (high school Fortran in 1986) who has
used out-of-the-box tools such as flash and dreamweaver, I've just
begun teaching myself Squeak--which was recommended by a hypertext
writer/aquaintence Jim Rosenberg. My interest is in building
interactive text / audio projects and live-art-performance tools in a
user-defined workspace apart from the constraints/habits associated
with Flash and Director, and without the platform dependence and
proprietary concerns. I've gathered what seem to be the "classic"
beginner texts: Squeak: Learn Programming with Robots, Squeak: A Quick
Trip to ObjectLand, and Squeak: Object-Oriented Design with Multimedia
Application (Guzdial).
Can anyone speak to the multimedia potential of Squeak and/or its
likely development trajectory, especially with regard to audio? The
midi tools and synthesis look promising, but as I've mostly worked
with recorded voices, I was worried to see no apparent support for
compressed audio. Most of my searching in the news-groups has turned
up dead-ends, like the tool called "Siren" that is now written for a
different smalltalk dialect. I see the Guzdial now seems to be
publishing books on Python and Java as "multimedia" languages, and I
sense much development work must be going into Croquet.

So in short, can someone with experience using squeak in a multi-media
presentational format, especially audio, reassure me that what will be
the somewhat steeper learning curve (for a self-taught,
non-programmer) will pay off?

Many thanks...
Ken

______________________________
____
Kenneth Sherwood, PhD
Associate Professor of English
Graduate Program in Literature and Criticism
110 Leonard Hall
Indiana University of Pennsylvania
Indiana, PA 15705

www.sherwoodweb.org <http://www.sherwoodweb.org>
<http://lists.squeakfoundation.org/mailman/listinfo/beginners>

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Re: Siren 7.5 for VW 7.6 ?

2008-05-02T09:50:28Z

It certainly should, though I haven't upgraded yet...

stp

--
Stephen Travis Pope -- Santa Barbara, California, USA
http://HeavenEverywhere.com http://FASTLabInc.com

On May 2, 2008, at 3:58 AM, Serge Stinckwich wrote:

> Hi all,
> i would like to know if Siren 7.5 works with VisualWorks 7.6 ?
>
> --
> -- oooo
> Serge Stinckwich OOOOOOOO
> http://doesnotunderstand.org/ OOESUGOO
> Smalltalkers do: [:it | All with: Class, (And love: it)] oooooo
> \ /
> ##
> _______________________________________________
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Siren 7.5 for VW 7.6 ?

2008-05-02T03:58:05Z

Hi all,
i would like to know if Siren 7.5 works with VisualWorks 7.6 ?

--
-- oooo
Serge Stinckwich OOOOOOOO
http://doesnotunderstand.org/ OOESUGOO
Smalltalkers do: [:it | All with: Class, (And love: it)] oooooo
\ /
##
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[ANNOUNCE] first public release of Surmulot for Windows

2008-03-14T16:09:08Z

hello list,

I'm glad to introduce Surmulot, the integration of all my code for
musical composition:
http://www.zogotounga.net/surmulot/surmulot.html

Windows users are encouraged to download the 80 Mb archive at
http://www.zogotounga.net/surmulot/surmulot.zip

When unzipped, you will have Emacs with Csound-x along with µO for
Squeak, Csound, Timidity and a few other apps all integrated by scripts
and TCP/IP and ready to use. No change is made to the registry, no
installation is required, no environment variable is touched.

Double-click "start emacs.bat" and Emacs should open with a welcome
buffer from where several links will help you navigate in the system.

Try the two following demos:

"CSD composition with embedded MIDI"
and
"CSD composition with graphical envelope editing"

... they will show you how to edit musical data right into csound-x via
graphical morphic GUIs.

This version of Surmulot can be considered a pre-release, and as always
feedback is warmly welcome !

Stef

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Re: MIDI support

2008-03-01T08:43:17Z

I thought of Craig when I saw this site and its innovative music:

<http://wearcam.org/>

Ken G. Brown

At 11:50 AM -0800 2/28/08, Craig Latta apparently wrote:

>Hi Stan--
>
> > Is Linux/Mac MIDI support still in your plan please?
>
> Yep, it's working on MacOS, I haven't tried it on Linux yet (but
>it'll be Debian first, then whatever Linux-loaded VMWare virtual
>machines I can get hold of).
>
> > My MIDI keyboard is feeling a bit lonely :)
>
> As is mine... Having a job that isn't this kinda sucks...
>
> Thanks for asking. For me, that's the source of at least half of
>my motivation. :)
>
>
>-C
>
>--
>Craig Latta
>improvisational musical informaticist
>www.netjam.org
>Smalltalkers do: [:it | All with: Class, (And love: it)]
>
>_______________________________________________
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Re: MIDI support

2008-02-28T12:26:34Z

That's good news; thanks for the update. I'll be standing by if you need a tester.
...Stan

Craig Latta wrote:

Hi Stan--

> Is Linux/Mac MIDI support still in your plan please?

Yep, it's working on MacOS, I haven't tried it on Linux yet (but
it'll be Debian first, then whatever Linux-loaded VMWare virtual
machines I can get hold of).

> My MIDI keyboard is feeling a bit lonely :)

As is mine... Having a job that isn't this kinda sucks...

Thanks for asking. For me, that's the source of at least half of
my motivation. :)

Re: MIDI support

2008-02-28T11:50:48Z

Hi Stan--

> Is Linux/Mac MIDI support still in your plan please?

Yep, it's working on MacOS, I haven't tried it on Linux yet (but
it'll be Debian first, then whatever Linux-loaded VMWare virtual
machines I can get hold of).

> My MIDI keyboard is feeling a bit lonely :)

As is mine... Having a job that isn't this kinda sucks...

Thanks for asking. For me, that's the source of at least half of
my motivation. :)

-C

--
Craig Latta
improvisational musical informaticist
www.netjam.org
Smalltalkers do: [:it | All with: Class, (And love: it)]

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Re: MIDI support

2008-02-28T01:26:06Z

Hi Craig,

Is Linux/Mac MIDI support still in your plan please? My MIDI keyboard s feeling a bit lonely :)

...Stan

Craig Latta wrote:

Hi--

I'm just now replacing the Windows-only MIDI support that was in
the Flow i/o framework[1] to use the cross-platform PortMIDI code
instead. I'll give a holler when it tests out on Linux (and MacOSX and
Windows).

-C

[1] http://netjam.org/flow

--
Craig Latta
improvisational musical informaticist
www.netjam.org
Smalltalkers do: [:it | All with: Class, (And love: it)]

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[ANN] new version of SuperCollider-Morphs for Squeak

2007-11-03T16:18:34Z

Hi,
I just published a new version of my little hack/project, and I finally
made a small tutorial.

It is a collection of morphs for using Squeak as a
programming/experimenting/performing environment for SuperCollider.

Download and tutorial:
http://www.cesaremarilungo.com/sw/supercollider-morphs-for-squeak

New features/fixes:
- sclang syntax highlighting (preliminary :-) classes names are hard
coded atm)
- now you can nest knobs and sliders inside a container
- knobs :-)
- the stout from the sclang process is now redirected in the Transcript
window as soon as it arrives.

Cheers,

- c.

--
www.cesaremarilungo.com

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Re: MIDI support

2007-10-31T03:45:22Z

Thanks Craig, I appreciate that. I'll check out the Windows implementation in the meantime.
Stan

Re: MIDI support

2007-10-30T16:30:40Z

Craig Latta wrote:

>
> Hi--
>
> I'm just now replacing the Windows-only MIDI support that was in
> the Flow i/o framework[1] to use the cross-platform PortMIDI code
> instead. I'll give a holler when it tests out on Linux (and MacOSX and
> Windows).
>
>
> -C
>
> [1] http://netjam.org/flow
>
> --
> Craig Latta
> improvisational musical informaticist
> www.netjam.org
> Smalltalkers do: [:it | All with: Class, (And love: it)]
>
> _______________________________________________
> SqueakAudio mailing list
> SqueakAudio@...
> http://www.create.ucsb.edu/mailman/listinfo/squeakaudio
>
>

Great!

-c.

--
www.cesaremarilungo.com

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Re: MIDI support

2007-10-30T16:29:27Z

Craig Latta wrote:

FANTASTIC to hear Craig! Thanks for doing that!

>
> [1] http://netjam.org/flow
>
> --
> Craig Latta
> improvisational musical informaticist
> www.netjam.org
> Smalltalkers do: [:it | All with: Class, (And love: it)]
>
> _______________________________________________
> SqueakAudio mailing list
> SqueakAudio@...
> http://www.create.ucsb.edu/mailman/listinfo/squeakaudio
>

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Re: MIDI support

2007-10-30T15:57:59Z

Hi--

I'm just now replacing the Windows-only MIDI support that was in
the Flow i/o framework[1] to use the cross-platform PortMIDI code
instead. I'll give a holler when it tests out on Linux (and MacOSX and
Windows).

-C

[1] http://netjam.org/flow

--
Craig Latta
improvisational musical informaticist
www.netjam.org
Smalltalkers do: [:it | All with: Class, (And love: it)]

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Re: MIDI support

2007-10-29T15:13:16Z

You might check the archives because we did discuss MIDI on linux. I
remember looking at the VM code and seeing only the stub for MIDI
support. But, as I said, check the archives to see what I found, as I
can't remember right now. When I get time, I'll search too, but don't
have the time right now.

It probably wouldn't be to hard to stick in, if it's not there, if you
use portmidi. http://www.cs.cmu.edu/~music/portmusic/

stan414 wrote:

> (cross posted to beginners and audio)
>
> Hello everybody. I'm developing a project for which I need a MIDI music
> keyboard as input. I started out on a Windows box, and all the components
> seemed to be there. I've since swapped to Ubuntu, and it seems that the MIDI
> support is a problem.
>
> >From here:
> http://www.nabble.com/Midi-Input-with-Squeak-tf3749891.html#a10596965 I see
> that Eric asked the same question in May, without resolution.
>
> It appears that what I need to do is to build a vm with the MIDI plug-in -
> http://www.nabble.com/modules,-plugins,-primitives,-and-MIDIPlugin-t3728328.html
>
> However, from here:
> http://www.nabble.com/modules%2C-plugins%2C-primitives%2C-and-MIDIPlugin-tf3728328.html#a10453224
> it looks like even with a vm build I may not get MIDI in.
>
> As a newbie, I'm not too keen to get into vm building just yet.
>
> So my question is/are, is there any image available with MIDI support? If
> not, is the build thing a big undertaking? Are there any other creative
> approaches (e.g. use an old version of Siren, wait for Siren port proposed
> at http://www.nabble.com/Siren-on-Squeak-tf3802040.html)? Is my analysis of
> the state of play correct?
>
> Thanks for any help- I really don't want to have to go back to Windows, or
> worse to Java.
>
> Stan
>
>
> PS I tried the Etoys/OLPC image, SimpleMIDIPort midiIsSupported returns
> false there too. On Windows image it returns true.
>

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MIDI support

2007-10-29T14:49:27Z

(cross posted to beginners and audio)

Hello everybody. I'm developing a project for which I need a MIDI music keyboard as input. I started out on a Windows box, and all the components seemed to be there. I've since swapped to Ubuntu, and it seems that the MIDI support is a problem.

From here: http://www.nabble.com/Midi-Input-with-Squeak-tf3749891.html#a10596965 I see that Eric asked the same question in May, without resolution.

It appears that what I need to do is to build a vm with the MIDI plug-in - http://www.nabble.com/modules,-plugins,-primitives,-and-MIDIPlugin-t3728328.html

However, from here: http://www.nabble.com/modules%2C-plugins%2C-primitives%2C-and-MIDIPlugin-tf3728328.html#a10453224 it looks like even with a vm build I may not get MIDI in.

As a newbie, I'm not too keen to get into vm building just yet.

So my question is/are, is there any image available with MIDI support? If not, is the build thing a big undertaking? Are there any other creative approaches (e.g. use an old version of Siren, wait for Siren port proposed at http://www.nabble.com/Siren-on-Squeak-tf3802040.html)? Is my analysis of the state of play correct?

Thanks for any help- I really don't want to have to go back to Windows, or worse to Java.

Stan

PS I tried the Etoys/OLPC image, SimpleMIDIPort midiIsSupported returns false there too. On Windows image it returns true.

Re: Siren midi/osc set-up

2007-10-17T17:03:06Z

On Oct 13, 2007, at 1:41 PM, christopher melen wrote:

> Hi Stephen,
>
> First just to say that from what I've seen so far
> Siren looks to be a fantastic environment. However I
> have two (probably quite basic) questions -
>
> (1) With regard to customizing the SirenUtility class
> initialize method, precisely which parts should I
> edit? I'm assuming that in fields like -
>
> self addDir: 'Scores' to: SoundDir.
> self addDir: 'Mid' to: SoundDir.
>
> I should enter my own paths in place of 'Scores' and
> 'Mid'?

Yes, the lines like
"Add your own user-specific stuff here"
self addDir: '/Content/Sound/*' to: SoundDir. "NB: you can add using
wildcards"
self addDir: '/Content/Scores/*' to: ScoreDir.
self addDir: '3-Credo/*' to: SoundDir.
self addDir: 'MKGandhi/Data' to: SoundDir.

are user-specific. If you want Siren to automatically find your sound/
score files, add the folders here.

> (2) I've installed on WinXP and Mac OS X, but with the
> latter I get a default (and rather unpleasant for the
> eyes!) blue colour with every window. Perhaps it's a
> more general problem with my installation of
> VisualWorks - I just installed the basic system from
> files on that machine as it doesn't have a network
> connection. Any suggestions?

Check out the files in the STP_GUI folder of the Siren7.5 ZIP file,
esp. MotifWidgetPolicy-initializeDefaultGenericColors.st

I set a few things like scroll-bar location and screen colors that
you're invited to override.

stp

>
> Best,
> Chris
> http://www.melen.co.uk

--
Stephen Travis Pope -- Santa Barbara, California, USA
http://HeavenEverywhere.com http://FASTLabInc.com

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Siren midi/osc set-up

2007-10-13T14:41:04Z

Hi Stephen,

First just to say that from what I've seen so far
Siren looks to be a fantastic environment. However I
have two (probably quite basic) questions -

(1) With regard to customizing the SirenUtility class
initialize method, precisely which parts should I
edit? I'm assuming that in fields like -

self addDir: 'Scores' to: SoundDir.
self addDir: 'Mid' to: SoundDir.

I should enter my own paths in place of 'Scores' and
'Mid'?

(2) I've installed on WinXP and Mac OS X, but with the
latter I get a default (and rather unpleasant for the
eyes!) blue colour with every window. Perhaps it's a
more general problem with my installation of
VisualWorks - I just installed the basic system from
files on that machine as it doesn't have a network
connection. Any suggestions?

Best,
Chris
http://www.melen.co.uk

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Re: Squeak-dev image: no MP3 drops to World accepted

2007-08-27T16:43:18Z

On Mon August 27 2007, Brad Fuller wrote:
> Hi Damien,
>
> Running on my Linux (gentoo) system, sq3.9-7067dev07.08.1 does not accept
> mp3 drops to the World. The result is: nothing happens. How come?
> On the standard 3.9-7067 system, dropping an MP3 file on the World results
> in a player to play the mp3 file.

I take that back. Sometimes it works sometimes it doesn't. Don't know why
though.

>
> brad
>
> BTW: not all MP3 files are accepted on the World as a dropped file. Does
> anyone know why? I haven't dug at all into it, so I'm assuming it has to do
> with the limitations of the mp3 decoder. Anyone enlighten me?
>
> brad

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Squeak-dev image: no MP3 drops to World accepted

2007-08-27T16:34:28Z

Hi Damien,

Running on my Linux (gentoo) system, sq3.9-7067dev07.08.1 does not accept mp3
drops to the World. The result is: nothing happens. How come?
On the standard 3.9-7067 system, dropping an MP3 file on the World results in
a player to play the mp3 file.

brad

BTW: not all MP3 files are accepted on the World as a dropped file. Does
anyone know why? I haven't dug at all into it, so I'm assuming it has to do
with the limitations of the mp3 decoder. Anyone enlighten me?

brad
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Re: Siren on Squeak

2007-08-24T09:59:00Z

(Cross posted to squeak audio and vw-dev)

Dear All

I am writing primitives to port Stephen Pope’s portmidi_lite VisualWorks plugin to Squeak (on Mac Intel for now).

To test everything possible before linking to the portmidi library, I wrote a series of test plugins using the arguments, return types, and pointer manipulation etc required by portmidi_lite. These show that the primitives do the appropriate proxyinterpreter stack manipulation, type conversion and object creation while avoiding garbage collection, and generally exchange data just fine with the test plugins.

But to transfer this to portmidi_lite, the portmidi library must be linked in. After removing the VW-specific includes from Stephen's portmidi_lite.c (renamed as noted below). and supplying the necessary .h’s , the make compiles and links without error.

However, the plugin then fails to load at runtime.

More specifically, when I run the automatically generated make to rebuild the VM/plugins and to link my slang-generated glue code to portmidi_lite.c and to the portmidi library, this all runs to completion and compiles with no errors. The plugin is created and put in the right place (as an external) and looks sensible via nm. However, the plugin fails to load at run-time.

On attempting to load the plugin, Squeak complains to the console
“ioLoadModule could not load shared object: /Users/simon/squeak/build/Squeak-3.9-12.app/Contents/MacOS/PortMidiLitePlugin.“ This message originates from vm/dlfcn-dyld.c , where it wraps a Mach error code NSObjectFileImageInappropriateFile – ‘file was not an appropriate type of object file’.

In the Makefile.inc for linking the portmidi plugin, I have

PLIBS=$PLIBS -L/Users/simon/squeak/platforms/unix/plugins/PortMidiLitePlugin/i386

The folder i386 contains
libportmidi.a
pmmac.o
pmmacosxcm.o
pmutil.o
portmidi.LinkFileList
portmidi.o
ptmacosx_mach.o

The contents of this folder is a fresh build of the portmidi library for intel Mac created using the Xcode project provided by the portmidi guys. (The previous attempt, using just the single file libportmidi.a in this folder gave the same result.)

For completeness, up a level at
Users/simon/squeak/platforms/unix/plugins/PortMidiLitePlugin
we have the following files
SirenDLLCC.h (this just includes debug defines)
portmidi.h
portmidi_lite.h
porttime.h
spPortMidiLitePlugin.c
(a renamed version of portmidi_lite.c with the VW includes removed – this has includes for the four .h’s)

Any thoughts would be greatly appreciated.

Simon Holland

Re: Siren on Squeak

2007-08-08T13:48:33Z

Hi Stephen
OK, I’ll give it a go.
( As you undoubtedly know, Squeak requires setInterpreter to be in the plugin but
SmartSyntaxInterpreterPlugin can generate that, so it looks OK.)
Things are extremely busy this month, so please don’t wait up,
but I am on the case :-)
Cheers
Simon

On Aug 03, 2007, at 09:18pm Stephen Travis Pope wrote:
>It really shouldn't involve C programming, just editing and running a
> simple makefile to compile the glue code that links VW's DLLCC to the
> PortMIDI library.
> stp

Re: Siren on Squeak

2007-08-03T14:18:51Z

Hi all,

It really shouldn't involve C programming, just editing and running a
simple makefile to compile the glue code that links VW's DLLCC to the
PortMIDI library.

stp

--
Stephen Travis Pope -- Santa Barbara, California, USA
http://HeavenEverywhere.com http://FASTLabInc.com

On Aug 1, 2007, at 1:33 AM, Simon Holland wrote:

>
> Stephen Travis Pope wrote
>
>> 1) ...... All that would need to be
>> done would be to turn my DLLCC libraries into Squeak VM plug-ins and
>> write wrapper classes to mirror the DLLCC external interfaces.
>> ....
>> 2) The GUI application......
>> . ...
>> So, is anyone interested ......?
>
> I am keen to see job 1 done.
> However I am guessing this will principally need C skills.
> Unfortunately my C skills are non-existent but my smalltalk skills
> are fine,
> and I have some experience of creating VW DLCCs.
>
> So while I couldn’t progress this solo, I would be more than happy
> to lend a hand to someone with C skills.
>
> Simon Holland

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Re: Siren on Squeak

2007-07-31T05:59:40Z

Stephen Travis Pope wrote

> 1) ...... All that would need to be
> done would be to turn my DLLCC libraries into Squeak VM plug-ins and
> write wrapper classes to mirror the DLLCC external interfaces.
> ....
> 2) The GUI application......
>. ...
> So, is anyone interested ......?

I am keen to see job 1 done.
However I am guessing this will principally need C skills.
Unfortunately my C skills are non-existent but my smalltalk skills are fine,
and I have some experience of creating VW DLCCs.

So while I couldn’t progress this solo, I would be more than happy
to lend a hand to someone with C skills.

Simon Holland

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Re: [Vm-dev] Re: modules, plugins, primitives, and MIDIPlugin

2007-06-06T06:48:58Z

Brad Fuller <brad@...> writes:
> At the very least it would be appropriate to have the new Midi plugin
> available for the masses. I'm suggesting to make this plugin available
> when people download the standard Linux VM. As it is, msgs are sent out
> by users complaining that Midi doesn't work. Why? If I'm not mistaken,
> the midi plugin that is currently distributed is the old one that
> contains stubs. The one Cesare built is the one from the OLPC branch.
> Please correct me if I'm wrong.

I wonder, too, why the Debian packages linked via www.squeakvm.org are
many years out of date, given all of Matej's work. Contributing to
Squeak can be discouraging!

Anyway, it looks like there is an opportunity. If someone wanted to
integrate all of the various patches there are to the Unix port, and
then post a combined VM for the masses, that would a really great
service. In addition to the MIDI update, you should be sure and look
at the patches in Matej's Debian packages.

Lex

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Re: Siren installation

2007-05-31T19:00:43Z

Hi,

Sorry for the delay in responding, I'm on a concert tour in China at the
moment.

To answer your question, yes, BOSS and all the other packages mentioned in
the build script are parts of the VW release (i.e., they're on the VW
CD-ROM and are loaded using the package manager, not in the Siren ZIP
file), or are on the Cincom Store site. Take a look at Arden's script
(attached).

You don't have to build the image from scratch, though; the Siren ZIP file
has a pre-configured VW virtual image (Siren7.5.{im,cha}) that ought to
work for you out of the box.

stp

--
Stephen Travis Pope -- Santa Barbara, California, USA
http://HeavenEverywhere.com http://FASTLabInc.com

On May 31, 2007, at 9:09 AM, Andrew Dabrowski wrote:

I'm trying to install Siren in VisualWorks 7.5. The trouble is, I'm not
only new to Siren, but also new to VW. So I'm stuck at the very
beginning, at installation.

The instructions on the Siren website have the following.

To build Siren, you start with a 7.5 VisualWorks Smalltalk virtual image
and load the following packages from the release file set,
Store/PostgreSQL
BOSS
DLLCC
Advanced Tools
HTTP
XMLTools
ComposedTextEditor
I presume this mans that the PostgreSQL package is not in the Siren7.5.zip
download, but should be installed from the VW store server. I did that
successfully.

But for BOSS: is there supposed to be a BOSS package in the Siren7.5.zip
download, or am I supposed to get BOSS from the VW store? I don't see any
BOSS package in the Siren7.5 directories, but maybe I just don't know
where to look. At the VW store the only BOSS package I see is
"BOSSClassMappings". Is that what I should load?

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