I just wanted to give some brief info on where we are at with Csound 6 development. Steven has already mentioned his work with the type system and he is currently working on generalised arrays (which I will let him introduce here when he is done).

Alongside this, we have come up with a design for loadable instruments, which I have now mostly implemented (requiring of course full testing plus some tidying up). So now it is possible to compile any number of times into a running Csound instance, from a text string containing new instruments. Of course, this has to be done in a thread-safe way, in k-cycle boundaries, to avoid any resource access issues (but thread-safety might possibly be built-in in the future API). Newly compiled instruments are available to be run straight away. If they have the same number of a previously defined instrument, they simply replace them, with any active instances carrying on untouched, but new instances using the new definition.

This is a major milestone, which will enable things lie on-fly-compilation and live coding. The final interfaces to this have yet to be designed, but at the moment, the API has a csoundCompileOrc(CSOUND *csound, char *str) that can be used for loading new instruments. The design allows for an addition of a fast loadable file format, for pre-compiled binary instruments, although this will need to be added later. All of these developments were of course enabled by the move to the new parser and the cleaning of the code base that John ffitch and the developers have been carrying out.

John is also working on some other exciting developments, which we will hope to announce soon when it is completed. 

Regards

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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> Alongside this, we have come up with a design for loadable
> instruments, which I have now mostly implemented (requiring of course
> full testing plus some tidying up). So now it is possible to compile
> any number of times into a running Csound instance, from a text
> string containing new instruments.

Would this mean that I would be able to use VSTi's from csound,
and run many times without quitting the VSTi?  That would be
really cool.  I want to use Kontakt from csound, but right now,
each time I run, it's takes a long time to load all of the
instrument data into Kontakt.

Tobiah

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Not sure what you have in mind, but this allows you to keep adding instruments to Csound without it having to stop for a recompilation.
On 20 Dec 2012, at 22:08, Toby wrote:

>> Alongside this, we have come up with a design for loadable
>> instruments, which I have now mostly implemented (requiring of course
>> full testing plus some tidying up). So now it is possible to compile
>> any number of times into a running Csound instance, from a text
>> string containing new instruments.
> 
> Would this mean that I would be able to use VSTi's from csound,
> and run many times without quitting the VSTi?  That would be
> really cool.  I want to use Kontakt from csound, but right now,
> each time I run, it's takes a long time to load all of the
> instrument data into Kontakt.
> 
> Tobiah
> 
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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This is very exciting!  Loadable instruments are the feature I am most
looking forward to.

Cheers,
~ andy.f



On Thu, Dec 20, 2012 at 12:01 PM, Victor Lazzarini
 wrote:
> I just wanted to give some brief info on where we are at with Csound 6 development. Steven has already mentioned his work with the type system and he is currently working on generalised arrays (which I will let him introduce here when he is done).
>
> Alongside this, we have come up with a design for loadable instruments, which I have now mostly implemented (requiring of course full testing plus some tidying up). So now it is possible to compile any number of times into a running Csound instance, from a text string containing new instruments. Of course, this has to be done in a thread-safe way, in k-cycle boundaries, to avoid any resource access issues (but thread-safety might possibly be built-in in the future API). Newly compiled instruments are available to be run straight away. If they have the same number of a previously defined instrument, they simply replace them, with any active instances carrying on untouched, but new instances using the new definition.
>
> This is a major milestone, which will enable things lie on-fly-compilation and live coding. The final interfaces to this have yet to be designed, but at the moment, the API has a csoundCompileOrc(CSOUND *csound, char *str) that can be used for loading new instruments. The design allows for an addition of a fast loadable file format, for pre-compiled binary instruments, although this will need to be added later. All of these developments were of course enabled by the move to the new parser and the cleaning of the code base that John ffitch and the developers have been carrying out.
>
> John is also working on some other exciting developments, which we will hope to announce soon when it is completed.
>
> Regards
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
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fantastic news. many many thanks to you and steven and everyone else who 
is working on this!
	joachim

Am 21.12.2012 18:15, schrieb Victor Lazzarini:
> yes, if you can parse your instrument into the AST tree, then you can
> load it through csoundCompileTree(). So the path is open now for parsers
> to be implemented for other languages than the original Csound. My plan
> is that there will be enough clarity on the how the tree is structured,
> through documentation and/or API to allow for this. Also a fast loadable
> format is planned.
>
> Effectively with the infrastructure changes we are implementing, the
> Csound engine is getting separated from the Csound compiler, which
> should enable further developments in these areas.
>
> Victor
>
> On 21 Dec 2012, at 16:52, Michael Gogins wrote:
>
>> We discussed having, as part of loadable instruments, the ability to
>> have instruments compiled in other languages (especially C/C++)
>> loadable at run time, through a "plugin insrument" API. Is something
>> like this also a part of what has been done here?
>>
>> Regards
>> Mike
>>
>>
>> On Thu, Dec 20, 2012 at 12:01 PM, Victor Lazzarini
>> > wrote:
>>
>>     I just wanted to give some brief info on where we are at with
>>     Csound 6 development. Steven has already mentioned his work with
>>     the type system and he is currently working on generalised arrays
>>     (which I will let him introduce here when he is done).
>>
>>     Alongside this, we have come up with a design for loadable
>>     instruments, which I have now mostly implemented (requiring of
>>     course full testing plus some tidying up). So now it is possible
>>     to compile any number of times into a running Csound instance,
>>     from a text string containing new instruments. Of course, this has
>>     to be done in a thread-safe way, in k-cycle boundaries, to avoid
>>     any resource access issues (but thread-safety might possibly be
>>     built-in in the future API). Newly compiled instruments are
>>     available to be run straight away. If they have the same number of
>>     a previously defined instrument, they simply replace them, with
>>     any active instances carrying on untouched, but new instances
>>     using the new definition.
>>
>>     This is a major milestone, which will enable things lie
>>     on-fly-compilation and live coding. The final interfaces to this
>>     have yet to be designed, but at the moment, the API has a
>>     csoundCompileOrc(CSOUND *csound, char *str) that can be used for
>>     loading new instruments. The design allows for an addition of a
>>     fast loadable file format, for pre-compiled binary instruments,
>>     although this will need to be added later. All of these
>>     developments were of course enabled by the move to the new parser
>>     and the cleaning of the code base that John ffitch and the
>>     developers have been carrying out.
>>
>>     John is also working on some other exciting developments, which we
>>     will hope to announce soon when it is completed.
>>
>>     Regards
>>
>>     Dr Victor Lazzarini
>>     Senior Lecturer
>>     Dept. of Music
>>     NUI Maynooth Ireland
>>     tel.: +353 1 708 3545 
>>     Victor dot Lazzarini AT nuim dot ie
>>
>>
>>
>>
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>>     services
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>>     Csound-devel@lists.sourceforge.net
>>     
>>     https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>>
>>
>>
>> --
>> Michael Gogins
>> Irreducible Productions
>> http://www.michael-gogins.com 
>> Michael dot Gogins at gmail dot com
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>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.:+353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
>
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