linuxsampler-devel

[Linuxsampler-devel] SF2 support status

[Dan M. <al...@gm...>]

Hi Christian and LS devs

How complete is LS SF2 support? All that I've been able to see on the
website is that SF2 is partly supported and doesn't support articulations
yet.

I've been testing the standard FluidR3 soundfont that is in the Debuntu
repos with LinuxSampler VST 1.0.0.svn41 (KXStudio package) under Ubuntu
12.04.4 and Tracktion 5.3.9 and I have so far managed to run 3 instances
before the plugin starts to crash. I'm not sure the number of instances is
relevant.

Under qsampler, I'm seeing lots of this:

sf2: initialFilterFc is above the maximum allowed value (max=13500): 65180

sf2: initialFilterFc is above the maximum allowed value (max=13500): 63452

sf2: sustainModEnv is below the minimum allowed value (min=0): -920

sf2: sustainVolEnv is below the minimum allowed value (min=0): -1000

sf2: freqModLfo is above the maximum allowed value (max=4500): 5200

sf2: sustainModEnv is below the minimum allowed value (min=0): -653

sf2: sustainVolEnv is below the minimum allowed value (min=0): -975

sf2: initialFilterFc is above the maximum allowed value (max=13500): 63848

sf2: pan is below the minimum allowed value (min=-500): -1000

sf2: pan is above the maximum allowed value (max=500): 1000

sf2: holdModEnv is above the maximum allowed value (max=5000): 8250

sf2: decayModEnv is above the maximum allowed value (max=8000): 12000

sf2: sustainModEnv is below the minimum allowed value (min=0): -842

sf2: initialFilterFc is above the maximum allowed value (max=13500): 65336

sf2: sustainModEnv is below the minimum allowed value (min=0): -40

sf2: initialFilterFc is above the maximum allowed value (max=13500): 65336

sf2: sustainModEnv is below the minimum allowed value (min=0): -40

sf2: attackVolEnv is above the maximum allowed value (max=8000): 9948

sf2: initialFilterFc is above the maximum allowed value (max=13500): 63848

sf2: delayVolEnv is above the maximum allowed value (max=5000): 6750

sf2: attackVolEnv is above the maximum allowed value (max=8000): 10350

sf2: initialFilterFc is above the maximum allowed value (max=13500): 64692

sf2: initialFilterFc is above the maximum allowed value (max=13500): 62750

sf2: delayModLfo is above the maximum allowed value (max=5000): 11262

sf2: sustainModEnv is below the minimum allowed value (min=0): -377

sf2: initialFilterFc is above the maximum allowed value (max=13500): 63393

sf2: initialFilterFc is above the maximum allowed value (max=13500): 63848

sf2: initialFilterFc is above the maximum allowed value (max=13500): 64404

sf2: delayVolEnv is above the maximum allowed value (max=5000): 11916

sf2: delayModEnv is above the maximum allowed value (max=5000): 12000

sf2: delayVolEnv is above the maximum allowed value (max=5000): 12000

sf2: initialFilterFc is above the maximum allowed value (max=13500): 65354

sf2: initialFilterFc is above the maximum allowed value (max=13500): 65150


and the occasional


19:21:22.188 Channel 1 lscp_set_channel_audio_device: The audio output
device 'Plugin' cannot be dropped from this sampler channel! (errno=100)

19:21:22.191 Channel 1 lscp_set_channel_midi_device: The MIDI input port
'Plugin' cannot be altered on this sampler channel! (errno=100)

19:21:22.193 Channel 1 Instrument: "/usr/share/sounds/sf2/FluidR3_GM.sf2"
(2).

19:21:22.195 Channel 1 MIDI map: 0.

19:21:22.197 Channel 1 Some channel settings could not be set. Sorry.

19:21:25.132 Channel 1 setup...


I've yet to try the latest svn version but looking at the changelogs of the
versions since I can't see anything relating to good ol' SF2 support.


Should soundfont support be working well enough to have 8 or so instances
of the VST plugin all using a FluidR3 instrument, presuming a moderately
powerful, stable machine/OS to run it on is present or is SF2 support (as a
LinuxVST) still alpha?

:

Thanks!


Dan

Re: [Linuxsampler-devel] SF2 support status

[Christian S. <sch...@li...>]

On Saturday 19 July 2014 20:51:08 Dan MacDonald wrote:
> How complete is LS SF2 support? All that I've been able to see on the
> website is that SF2 is partly supported and doesn't support articulations
> yet.

Yes, the SF2 engine is currently in a quite orphaned state. It was added by 
Grigor, but nobody actually worked on this engine/format for quite a while 
now. I am personally not so interested in working on it actively ATM, since 
the Giga and SFZ formats are much more powerful than SF2.
 
> Should soundfont support be working well enough to have 8 or so instances
> of the VST plugin all using a FluidR3 instrument, presuming a moderately
> powerful, stable machine/OS to run it on is present or is SF2 support (as a
> LinuxVST) still alpha?

Consider it alpha. And since I currently don't see anybody working on it, I 
don't expect this to change in near future.

CU
Christian