Re: [Qtractor-devel] Instantiating multiple LinuxSampler plugins fails..?

[Holger M. <ho...@ma...>]

On Thu, 9 Jan 2014, Rui Nuno Capela wrote:

> On 01/08/2014 09:23 PM, Frank Neumann wrote:

> > - Started qsampler, loaded some .gig into the respective LinuxSampler channel
> > - Connected my MIDI keyboard to qtractor, played some keys
> > - Up to here everything is fine.
> >
> > - Now, create another MIDI track, try the same steps as above on this one
> >
> > However, no matter what file I try to load, I always get:
> >
> > 22:16:53.900 Channel 1 lscp_get_midi_device_info: DRIVER (errno=0)
> > 22:16:58.125 Channel 1 setup...
> > 22:17:02.742 Channel 1 lscp_set_channel_audio_device: The audio output device 'Plugin' cannot be dropped from this sampler channel! (errno=100)
> > 22:17:02.746 Channel 1 lscp_set_channel_midi_device: The MIDI input port 'Plugin' cannot be altered on this sampler channel! (errno=100)
> >
> > It seems that currently Qtractor cannot instantiate more than one LS plugin.
> > By the way, all LinuxSampler packages (libgig, liblscp, linuxsampler, qsampler) were built from their Subversion content around Nov 8th, 2013.

> i also see the same errors which are nags from qsampler/liblscp with 
> blocking error message boxes (eg. "some settings could not be done" or 
> w/e); the issues seems to be alien to qtractor; eventually, but just 
> dismissing the message boxes, i can proceed, load and run several (3+) 
> linuxsampler sampler channels each one on its own qtractor MIDI 
> track/channel and LV2 plugin instance; also they get saved and restored 
> later np.

I have a song with 3 linuxsampler instances, and it works fine. But I
have to assign an own MIDI channel to each instance/track.

> using
> 
>  > linuxsampler --version
> LinuxSampler 1.0.0.24svn2497
LinuxSampler 1.0.0.svn23

>  > qsampler --version
> Qt: 4.8.5
> libgig: 3.3.0.7svn2497
> liblscp: 0.5.7svn2497
> Qsampler: 0.2.3svn2497
I use Jsampler

>  > qtractor --version
> Qt: 4.8.5
4.8.1

> Qtractor: 0.5.12.2svn3710
0.5.12, svn3706

Regards
Holger