Re: [Rosegarden-user] RG and linuxsampler plugin

[Alex S. <com...@gm...>]

Chris, 

thanks for the heads up, and the shared info.
It is DSSI, so i'll go at this a different way.

I haven't lost anything here, it was a test for the viability of using
plugins, instead of routing from linuxsampler as a standalone,  but that's
good too, and has many advantages.

Onwards and upwards.

Alex,




cannam wrote:
> 
> On Sun, Dec 7, 2008 at 5:21 AM, Alex Stone <com...@gm...> wrote:
>>
>> I'm giving the linuxsampler plugin version it's first test here at
>> parchment
>> studios with the latest svn from RG Bakeries.
> 
> What sort of plugin is it?
> 
> DSSI plugins (as hosted by Rosegarden) have no concept of MIDI
> channel.  You can instantiate the plugin many times on separate
> tracks, and the instances have a mechanism for sharing data behind the
> scenes so that the plugin itself need only be created once, if
> necessary; the plugin then distinguishes between the different tracks
> according to their instance handles.  There is neither the ability nor
> the need to specify a channel for any plugin instance.
> 
> This does not map well conceptually onto other plugin formats; one of
> the limitations of dssi-vst is that it has no way to offer proper
> channel support for VST plugins via DSSI.  Plugins wrapped in this way
> end up with channel 1 for all instances, much as you describe, and
> also lose the ability to share instance data behind the scenes
> (because they don't know about DSSI's mechanism for doing this).  A
> more sophisticated dssi-vst could probably find a way to work around
> this for many plugins, but it doesn't do so now.
> 
> 
> Chris
> 
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