Re: [Jsynthlib-devel] Re: two bugs

[federico <xa...@in...>]

Brian wrote:

> JSynthLib does not play nice with having more of one of the same 
> synthesizer.

d'oh! :-O

> Menu. This will assign the patch to a different instance of the synth. 
> However, you would have to do this each time you load a library.

yes, it's terrible! :-)

> As for your specific case its a little differnt, you don't have three 
> different synths, but one synth with different midi channels that
> you want to use. What is the ID field you are talking about that 
> contains "MKS-7-B", etc. Is this a part of the actual sysex for the MK-7?

no. it is the Synth ID i given to the three instances of driver.
the midi channel and the device id are set to the mks's receiving midi 
channel

> Is there someway that it is possible to tell which part 
> (chord,melody,bass) a patch belongs in based on looking at the patch?

as i said, dev_id and midi_ch are set to the same number, which is the 
midi channel.
here is the MKS7 sysex header (one byte per line):

F0
<id:roland>
<model:mks7>
<opcode:param_change/tone_change>
<midi channel>
<data ...>
F7

when you turn on the device, melody is channel 1, bass is channel 2, 
chord is channel 3 (however you change them with a button) and there 
isn't other method to distinguish parts.

> If so,
> maybe you could have the MK7 Device have three drivers each being 
> identical except having a sysex_id that will only match the
> patches which should be for that part? That would be the optimal way 
> to do it.
>
uhm i think it is not possible (see above)

i thought another approach: make three tabs, one for part. but this 
would drive into a  DOUBLE problem: conceptually doesn't exists anymore 
the patch, but only the BANK concept, since the driver controls an 
entire bank (bank on synthesizer, not a jsl's bank); you can't specify 
three midichannels in the driver's settings.
so i decided to abandone this way.

the really optimal way would be make possible to have many driver 
instances (think the surreal situation in which you have 3 synthesizers, 
same brand, same model ;D)

maybe add a column to the patchlib database would solve the prbl, i.e. a 
field to specify midi channel for a patch (uhm, this may be heavily 
redundant).
otherwise is it possible access FIELD1/FIELD2 from the editor/driver?



about the midi problem, i quote here your message:

> What platform are you using? (Operating System / Java Version / Midi 
> Provider?
>
Linux 2.6

java version "1.4.2-01"
Java(TM) 2 Runtime Environment, Standard Edition (build Blackdown-1.4.2-01)
Java HotSpot(TM) Client VM (build Blackdown-1.4.2-01, mixed mode)

Advanced Linux Sound Architecture Driver Version 1.0.7.
Compiled on Mar  5 2005 for kernel 2.6.10-gentoo-r6.

i access midi through the /dev/snd/midi* and /dev/midi* devices.


-- 
Federico