[PD] Very Strange Behaviour of dumpOSC on Pd
Roman Haefeli
reduzierer at yahoo.de
Thu Feb 5 19:20:06 CET 2009
On Thu, 2009-02-05 at 18:12 +0100, Jack wrote:
> Thanx Roman for the clarification. I thought that [tcpsend]/
> [tcpreceive] worked with OSC.
> I think it must be specify somewhere in the help patch (with
> [packOSC]/[unpackOSC] or/and [tcpsend]/[tcpreceive] ?).
> I just download abstractions from :
> http://romanhaefeli.net/software/pd/OSCstream.tar.gz
this archive only contains [packOSCstream] and [unpackOSCstream], the
other abstractions are missing. however, everything is in svn
(externals/mrpeach), so please use those, since mrpeach accepted to
include them and those are going to be kept up-to-date by me.
roman
> Le 5 févr. 09 à 17:35, Roman Haefeli a écrit :
>
> >
> >
> >
> > --- Jack <jack at rybn.org> schrieb am Do, 5.2.2009:
> >
> >> Yep, as Roman says try [udpreceive] with [unpackOSC] (OSC
> >> comme often
> >> 'on' UDP) or [tcpreceive] with [unpackOSC], if you
> >> want a service
> >> with connection. The choice depends if you absolutely need
> >> to receive
> >> your data.
> >> AFAIK, OSCx accepts only UDP protocol.
> >
> > you cannot use [tcpsend]/[tcpreceive] use together with [packOSC]/
> > [unpackOSC], since there is a special OSC specification for stream
> > oriented transport layers such as TCP. OSC assumes that either the
> > transport layer takes care of the corrent handling of packets
> > (which is the case for udp) and specifies a special header for OSC
> > packets, when it is transported over a stream oriented protocol (TCP).
> >
> > this makes the use of OSC over TCP much more complex. i made some
> > abstractions for mrpeach to handle this correctly. here a little
> > description about using them as intended:
> >
> > OSC OVER TCP
> >
> > - for unidirectional TCP connections, use:
> >
> > [packOSCstream] and [tcpsend] for the sender side and
> >
> > [tcpreceive] and [unpackOSCstream] on the receiver side
> >
> > - for bidirectional TCP connections, use:
> >
> > -on the server side:
> > [tcpsocketserver OSC <port>] with [unpackOSC] for receiving and
> > [packOSCstream] for sending
> >
> > -on the client side:
> > [tcpclient] with [unpackOSCstream] for receiving and
> > [packOSCstream]
> > for sending
> >
> >
> > (for the sake of completeness:)
> >
> > OSC OVER UDP
> >
> > - for sending: [packOSC] with [udpsend]
> >
> > - for receiving: [unpackOSC] with [udpreceive]
> >
> >
> > i know, this sounds all complicated. actually i made those
> > abstractions to get at least raw functionality, so that
> > transporting OSC over TCP is possible at all. in order to make
> > things less confusing and more obvious, i guess, i should add more
> > high level abstractions, that contain the networking and un/packing
> > stuff in once class.
> >
> > roman
> >
> >
> >
>
>
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