[fluid-dev] Router Rules to get more than one sound on one channel

[Lutz Morelater]

Hi,

I have finally found a way to use the fluidsynth router rules for getting more 
than one sound to play on one channel at the same time.

Now there are some things I have to work out:

1.) What is the maximum number of router_chan roules that can be active at the 
same time? I have routed channel 1 to 20 virtual channels, it works. But I 
get crackled and stuttering sound very easily. How could I improve that?

2.) How could I remove one particular router roule from the router 
roule "chain"? I think that one can only delete all roules alltogether or add 
one roule by one.

3.) How can I create a " NO SOUND"-preset? I need something like that to 
mute/deactivate a virtual channel. It is not possible to simply select a 
non-existing sound in a soundfont file (fluid will give an error message in 
this case). The reason I need it is that all virtual channels are active at 
the same time because of the router_chan roules. But each channel needs its 
own preset to play. If "ON", it plays one of the sounds I want, if "OFF" it 
should play nothing and be muted/deactivated. But I cannot simply remove a 
router roule.

For testing purposes I have set each virtual channel to play one particular 
sound (that means "stop pulled"). But how can I "switch off" a virtual 
channel? To gain some processing power as well?

Thanks for any hint and regards,
Lutz.