Re: Re: [Csnd] csound software idea, looking for partners

It simply sends text through pipes. I have a modified CSound which
accepts UDP messages which works very well for decoupling the GUI from
Csound.

abram

On Sat, 17 Jul 2004, iain duncan wrote:

> Abram, how do your gui systems send messages to csound? Is it just text 
> out pipes or is there more to it?
> 
> Hopefully the CsoundAPI will make getting feedback *from* csound easier 
> in the future. = )
> 
> Iain
> 
> > I have made 2 gui systems for CSound. 1 is EventGUI a java based Gui
> > Framework for controlling CSound instruments during performance.
> > The 2nd is FastGUI an SDL::Perl based Gui Framework for controlling
> > CSound instruments during a performance. FastGUI is effectively a widget
> > set designed for realtime performance purposes.
> > 
> > EventGUI should be available from http://skruntskrunt.abez.ca/ it uses
> > an XML definition of a GUI for display and is the easiest to use.
> > 
> > FastGUI requires a good knowledge of OO Perl right now and is much
> > faster and better than EventGUI but harder to use. You'll have to email
> > me to get a copy of the source code.
> > 
> > With the GUI there is little concern for resources you'll find. As long
> > as you set the priority of the GUI processes lower than that of the
> > rendering engine you'll be fine.
> > 
> > See:
> > 
> > http://abez.ca/supernaut/oopsla.pdf
> > http://abez.ca/supernaut/oopsla.out.pdf
> > 
> > You have pointed one problem of GUIs for CSound, feedback to GUI. It is
> > a difficult problem.
> > 
> > abram
> > 
> > On Thu, 15 Jul 2004, iain duncan wrote:
> > 
> > 
> >>>I think you could write your app entirely in Python, just using the
> >>>existing C++ Csound API. I suggest you use Boa Constructor, which is a
> >>>graphical form editor for wxPython GUIs, to design your screens.
> >>
> >>This sounds like it would be worth a shot too. How is Boa Constructor in 
> >>comparison to Fluid? Maybe it would be worthwhile to have a couple of 
> >>examples, one in C++, one in python. One obvious advantage of the 
> >>C++/fltk, as I see it, is that one could make a small fast statically 
> >>linked standalone csound instrument/app with gui without needing python 
> >>installed or the runtime overhead of Python. Disadvantage is harder to 
> >>write I guess.
> >>
> >>Also, I have a better idea than an ear training app for a small embedded 
> >>csound gui demo. I was thinking that something very useful would be a 
> >>generic virtual controller surface in which sliders and buttons send 
> >>values directly to csound tables or output values as score events, with 
> >>the output being adjustable from the app. So say there were sixteen 
> >>widgets on screen for example, you might have a tab that allows the user 
> >>to change which table and index each slider goes to and which score 
> >>events the buttons send, along with the ability to save snapshots of the 
> >>configuration and the current values. One could also add the ability to 
> >>save the snapshot as a text file suitable for loading in csound using 
> >>gen23. This could be a great way to tweak table based instruments in 
> >>real time and save the values, and just a generally handy way to make 
> >>low overhead low priority gui controllers for real time use. It would 
> >>also mean that users who don't want to jump into building their own guis 
> >>from scratch could use say a 64 knob 64 button generic example and just 
> >>configure it themselves without having to write C++.
> >>
> >>I see no reason the sliders could not also be made to receive midi input 
> >>for remote control.
> >>
> >>I am thinking fltk for C++ and taking Michael's suggestions for python. 
> >>Anyone have good reasons to do otherwise? How does GTK compare to fltk 
> >>for this kind of stuff?
> >>
> >>For myself, being a newbie, my first steps will be small. I plan to 
> >>spend the next little while just trying to make a gui with a couple of 
> >>buttons that send an event to embedded csound5. If anyone wants to help 
> >>or is willing to act as an advisor/tutor please let me know.
> >>
> >>Thanks
> >>Iain
> >>
> >>
> >>
> >>>Original Message:
> >>>-----------------
> >>>From: iain duncan [email protected]
> >>>Date: Wed, 14 Jul 2004 03:19:39 +0000
> >>>To: [email protected]
> >>>Subject: Re: [Csnd] csound software idea, looking for partners
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>Why c++ though? Why not just python and c. You
> >>>>probably could do everything you want to do just using
> >>>>python and csounds. The python gui could just write in
> >>>>midi to /dev/midi or something. There are already
> >>>>python modules the read and write midi. Well, since
> >>>>*nix is the only platform that uses device files it
> >>>>would not be very cross platform if you did it that
> >>>>way I suppose.  
> >>>
> >>>
> >>>Perhaps I didn't make myself as clear as I thought. What I intend is not 
> >>>a comprehensive ear training app for linux, but a small tweakable ear 
> >>>training app as an example of an app that embeds csound and uses csound 
> >>>as it's audio engine. So the app would communicate with csound via the 
> >>>csound API and not require any midi at all.
> >>>
> >>>I was planning on using C++ because Michael suggested that as the best 
> >>>way to use the API, and I could do with a simple C++ project too. My 
> >>>thoughts about python are just brainstorming, I'm not sure how practical 
> >>>that would be. I just kinda figured it would be cool to be able to let 
> >>>the users write their own drills in some kind of scripting language. ( 
> >>>The way you can use CAL from cakewalk for example, or python in GVIM. )
> >>>
> >>>
> >>>
> >>>>What gui library? FLTK? GTK? TK? QT? I think they are
> >>>>all cross platform by now.  
> >>>
> >>>
> >>>No idea. I'd like to use whatever makes the most sense for fairly easy 
> >>>to develop cross platform open source and licensed unhindered 
> >>>development. Anyone have suggestions in that regard? Part of my intent 
> >>>is to make an example of a csound GUI wherein the GUI is in the host app 
> >>>and not within csound, but I'm a total newbie in the GUI department. Any 
> >>>opinions in that department would be appreciated.
> >>>
> >>>
> >>>
> >>>>Keep me informed. 
> >>>
> >>>Will do!
> >>>
> >>>Iain
> >>
> >>
> > 
> > 
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> > Content preview:  I have made 2 gui systems for CSound. 1 is EventGUI a
> >   java based Gui Framework for controlling CSound instruments during
> >   performance. The 2nd is FastGUI an SDL::Perl based Gui Framework for
> >   controlling CSound instruments during a performance. FastGUI is
> >   effectively a widget set designed for realtime performance purposes.
> >   [...] 
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http://www.abez.ca/ Abram Hindle ([email protected])
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Content preview:  It simply sends text through pipes. I have a modified
  CSound which accepts UDP messages which works very well for decoupling
  the GUI from Csound. abram On Sat, 17 Jul 2004, iain duncan wrote:
  [...] 

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