I need to do a brief writeup of how to use Csound with OSC. I can probably
figure out the syntax of OSC messages themselves, but I have no idea how to
create or specify a port. Nor do I have the remotest idea how one might
interconnect two computers using OSC.

Is there a decent online tutorial on this topic? I looked on the
opensoundcontrol website and didn't immediately spot anything applicable.

Thanks for any tips!

--Jim Aikin


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Jim Aikin wrote:
> I need to do a brief writeup of how to use Csound with OSC. I can probably
> figure out the syntax of OSC messages themselves, but I have no idea how to
> create or specify a port. Nor do I have the remotest idea how one might
> interconnect two computers using OSC.
>
> Is there a decent online tutorial on this topic? I looked on the
> opensoundcontrol website and didn't immediately spot anything applicable.
>
> Thanks for any tips!
>
> --Jim Aikin
>   

Hi Jim,

Perhaps something useful here :

    http://www.linuxjournal.com/content/introduction-osc

Best,

dp



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andrés did a nice video tutorial about communication between pd and
csound via osc:
http://www.youtube.com/watch?v=JX1C3TqP_9Y&list=PL3EE3219702D17FD3&index=12&feature=plpp
perhaps you find it useful.

	joachim

Am 07.09.2011 21:50, schrieb Jim Aikin:
> I need to do a brief writeup of how to use Csound with OSC. I can probably
> figure out the syntax of OSC messages themselves, but I have no idea how to
> create or specify a port. Nor do I have the remotest idea how one might
> interconnect two computers using OSC.
> 
> Is there a decent online tutorial on this topic? I looked on the
> opensoundcontrol website and didn't immediately spot anything applicable.
> 
> Thanks for any tips!
> 
> --Jim Aikin
> 
> 
> --
> View this message in context: http://csound.1045644.n5.nabble.com/OSC-Network-Basics-tp4779868p4779868.html
> Sent from the Csound - General mailing list archive at Nabble.com.
> 
> 
> Send bugs reports to the Sourceforge bug tracker
>             https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
> 
> 


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Hi Jim,

The following might be useful:
http://csound.1045644.n5.nabble.com/file/n4780010/OSC_overview.pdf
OSC_overview.pdf 

Basically, a program that sends OSC data is a client, a program that
receives OSC data is a server.
The client needs to know the IP address and port number of the server.
The server only needs to listen on this port number.
In Csound, you specify this as follows:

giosc1  OSCinit 9000

This global 'handle' giosc1 will listen for port 9000.

In an instrument definition you define the following:
kans    OSClisten giosc1, "/freq", "f", kval
 
Here you actually listen for this port and only for the messages with tag
'/freq', which must be a floating point type ("f").


You can determine the port number yourself, however:
Since OSC ports are actually sockets, it is good not to use the lower (well
known port) numbers 0 - 1023.
But say anything like 9000 or above is fine.

Then, when you connect an OSC client to an OSC server on the *same* PC, you
have to specify the 'localhost' IP address, or: 127.0.0.1.

Hope this helps you out.

regards,
Richard


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> andrés did a nice video tutorial about communication between pd and
> csound via osc:
> http://www.youtube.com/watch?v=JX1C3TqP_9Y&list=PL3EE3219702D17FD3&index=12&feature=plpp
> perhaps you find it useful. 

Very useful. Thanks to all for your suggestions! I think maybe now I've got
a dim understanding of the basics.

It turns out that the video showing how to connect Csound with Pd was based
on an older version of Pd. The objects Andres used are now deprecated. It
took me an hour or so to get my brains around the new requirements.
(Pd-extended is in a transitional stage in which certain objects are
included with the distribution but only become available if you use an
import command.)

What I still don't know a darn thing about is how to use OSC to connect two
computers. Ethernet cable??? How would I determine the actual addresses of
the two computers, and what syntax would I use?

Sorry to be a pest, but I'd like to get it right.

--Jim Aikin

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hello,

you can send the osc messages to any computer in the network - it can be local network connected via router (can be wifi) or theoretically you can send the messages via internet to Australia, if you know the computers address - Ither it's name of IP address

In linux you can find out the IP address with command ifconfig , I guess in OSX it is the same. In windows ipconfig in the command line

Often computers have also name like tarmo-desktop, so you can use this instead (to find out type 
uname -a 
on command line). Or you can use a internet address of the server computer like johannes.homeip.net (then you must be sure that the OSC server port (like 9999 or whatever the server is seting) is open to calls coming form outside and server can read it.

I have not tried the internet variant but the greatest thing is that at least in a local network you can send OSC messages from different computers to the server computer. For example you have different external controllers attached to different computers or every computer is doing some massive calculations and just one is synthesizing the sound (or video or whatever).

greetings,
tarmo


On Thursday 08 September 2011 08:37:20 Jim Aikin wrote:
> > andrés did a nice video tutorial about communication between pd and
> > csound via osc:
> > http://www.youtube.com/watch?v=JX1C3TqP_9Y&list=PL3EE3219702D17FD3&index=12&feature=plpp
> > perhaps you find it useful. 
> 
> Very useful. Thanks to all for your suggestions! I think maybe now I've got
> a dim understanding of the basics.
> 
> It turns out that the video showing how to connect Csound with Pd was based
> on an older version of Pd. The objects Andres used are now deprecated. It
> took me an hour or so to get my brains around the new requirements.
> (Pd-extended is in a transitional stage in which certain objects are
> included with the distribution but only become available if you use an
> import command.)
> 
> What I still don't know a darn thing about is how to use OSC to connect two
> computers. Ethernet cable??? How would I determine the actual addresses of
> the two computers, and what syntax would I use?
> 
> Sorry to be a pest, but I'd like to get it right.
> 
> --Jim Aikin
> 
> --
> View this message in context: http://csound.1045644.n5.nabble.com/OSC-Network-Basics-tp4779868p4781263.html
> Sent from the Csound - General mailing list archive at Nabble.com.
> 
> 
> Send bugs reports to the Sourceforge bug tracker
>             https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
> 
> 


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Hi,
You can use ethernet cable or wireless. You may have to set your 
IP-adresses manually, but it usually works with the ones you already 
have. You may also have to adjust what you computers can share, for 
instance, I needed to turn on "Internet sharing" on my mac to make the 
connection. Use ipconfig in cmd (Win) or ifconfig in Terminal 
(OSX/Linux) to see the IP-address on the computer receiving the OSC 
messages (IP4, not IP6), then use that as the host argument in OSCsend. 
I usually check the connection first with the ping command in 
cmd/terminal. Remember to set your send and receive clients (csound?) to 
the same port.
I used two ethernet cables via a switch to make the connection, but it 
should in principle not be necessary on new computers.
If you go for wireless, you would want to create an ad-hoc network. When 
I connected my mac and win7PC, I found it was easiest to create in on 
OSX, and then join from the PC side.
My experience is that wireless has perhaps a little more latency than 
ethernet cable.
good luck,
Andreas

did a nice video tutorial about communication between pd and
csound via osc:
http://www.youtube.com/watch?v=JX1C3TqP_9Y&list=PL3EE3219702D17FD3&index=12&feature=plpp
perhaps you find it useful.

> Very useful. Thanks to all for your suggestions! I think maybe now I've got
> a dim understanding of the basics.
>
> It turns out that the video showing how to connect Csound with Pd was based
> on an older version of Pd. The objects Andres used are now deprecated. It
> took me an hour or so to get my brains around the new requirements.
> (Pd-extended is in a transitional stage in which certain objects are
> included with the distribution but only become available if you use an
> import command.)
>
> What I still don't know a darn thing about is how to use OSC to connect two
> computers. Ethernet cable??? How would I determine the actual addresses of
> the two computers, and what syntax would I use?
>
> Sorry to be a pest, but I'd like to get it right.
>
> --Jim Aikin
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/OSC-Network-Basics-tp4779868p4781263.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>              https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>