Here at the MOD we forked the MDA plugins in order to use “real values” instead of the -1 to 1 range.
You can check it at https://github.com/portalmod/mda-lv2 <https://github.com/portalmod/mda-lv2> Cheers Gianfranco > Em 27/05/2015, à(s) 16:42, Christopher Arndt <[email protected]> escreveu: > > Is there a way to have the value range of a control input port of a LV2 > plugin be in one range (e.g. 0.0f..1.0f or 0-127) and have the LV2 host > display the values scaled or mapped to a different range (e.g. 20-20,000 > Hz or 2 - 2000 ms)? > > I know about lv2:scalePoints and the lv2:enumeration property to handle > list of discrete values and the units:unit properties to set the value > unit, but how do I map the actual values of a large continuous range? Is > there a way to define a transfer function? Or does that need to happen > inside the plug-in code? > > And what about more advanced parameter display, e.g. a wet/dry setting, > which I want to display as going from 100:00 through 50:50 to 0:100, but > the actual parameter value is just 0.0..1.0 (or -1.0..+1.0)? > > > Background: I'm trying to improve the JX10.ttl from the mda.lv2 > collection [1], so that the parameter display in the LV2 host generated > plug-in UI is more useful and intuitive, i.e. instead of e.g. the slider > for OSC Tuning being going from 0.0 .. 1.0, I want it to be displayed as > -24 .. +24 cents. All control input ports of the plugin are defined as > taking a value 0.0f..1.0f. > > [1] http://svn.drobilla.net/lad/trunk/plugins/mda.lv2/ > > > Chris > > _______________________________________________ > Linux-audio-dev mailing list > [email protected] > http://lists.linuxaudio.org/listinfo/linux-audio-dev
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