[PD] using other s/w with pd

[Akira Abe]

> thanks again for the reply but I'm not quite sure why this is not 
> possible. Please correct me if I am wrong but as I understand it Pd 
> uses portaudio in order to communicate with the windows 
> drivers - which either support ASIO or DirectSound. Having 
> looked at the code for the DirectSound release of portaudio, 
> I recognise the directsound interface code for creating the 
> primary and secondary buffer objects etc. - could 
> I not intercept the code at this point implementing other C/C++ 
> interfaces to further process the secondary buffers before they are 
> sent to the primary?

Yes, you could.
 						
> I am presuming that I can use the C source code distributed 
> with pd to 
> implement pd in its entirety - ie. I can have a C or C++ app 
> that uses 
> this code to implement pd's functionality - or is this what you were 
> referring too when you said the answer was 'No'?

No, this isn't.
The thing I wanted to say is that it is not possible to directly
exchange data between processes.

> I think I cannot use ReWire as I am from a university and therefore 
> presumably am not allowed a license (according to the 
> website). 

I am sorry that I didn't know about license restrictions.

>Also which part of the source refers to making the 
> connection to the 
> tcl/tk application?

There are u_pdsend.c and u_pdreceive.c in the \pd\src directory.
 
> ...or am I just getting this whole thing horribly wrong?!

I don't think so.
My answer was too briefly.

Akira Abe
akiraa181 at yahoo.co.jp
 
> thanks again
> 
> Mandy
> 
> 
> 
> On Sat, 28 Sep 
> 2002 23:22:25 +0900 Akira Abe <akiraa181 at yahoo.co.jp> wrote:
> 
> > > Hi list,
> > 
> > Hi again Mandy,
> > 
> > > thanks Olaf and Akira - your help is greatly appreciated, just 
> > > pursuing the issue, am I right in saying that it is 
> possible for me 
> > > to write an application, preferably in VC++6.0, that will 
> be able to 
> > > implement pd but also to access the secondary DirectSound 
> buffers, 
> > > presumably created by pd, before they are mixed in the primary 
> > > buffer for output? - so that I can then take those 
> buffers and apply 
> > > other software to them?
> > 
> > I see.
> > The answer is No.
> > If you want to connect PD to other software, you should be using 
> > something like ReWire technology.
> > 
> > > also is it possible to separate the tcl/tk part so that I can
> > > drive pd audio with other networked data - or should I be 
> > > using something like 
> > > STK for this?
> > 
> > PD has the tcl/tk part and pd.exe in different processes.
> > The tcl/tk part already has been separated since start of program.
> > 
> > >again VC++6.0 applications are what I'm looking
> > > at. thanks again,
> > > 
> > > Mandy
> > > 
> > > ----------------------
> > > MLN Kazem, Aerospace Engineering
> > > M.Kazem at bristol.ac.uk
> > > Tel. 0117 9288219
> > > Fax. 0117 9272771
> > > 
> > > 
> > > _______________________________________________
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> > > 
> > 
> > Akira Abe
> > akiraa181 at yahoo.co.jp
> > 
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> ----------------------
> MLN Kazem, Aerospace Engineering
> M.Kazem at bristol.ac.uk
> Tel. 0117 9288219
> Fax. 0117 9272771
> 
> 
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