Monday, 2014-05-19

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rgareuswith a port   lv2:minimum -60; lv2:maximum 0.0; lv2:portProperty pprops:logarithmic;  jalv complains:16:46
rgareus(jalv.gtk:928): Gtk-CRITICAL **: IA__gtk_hscale_new_with_range: assertion `min < max' failed16:46
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rgareusis that supposed to work?  how do you guys map a dB scale?16:46
Anchakor_how about -60.0?16:51
rgareusAnchakor_: makes no differnce.17:02
rgareusAnchakor_: all values are float by default, anyway.17:02
Anchakor_I dunno, might be a gtk thing, lets ping drobilla ;)17:03
rgareusaah well. a linear slider for dB works fine, as well.17:11
rgareusCalue > 0 and < +inf works for logscale controls.17:11
rgareuss/Calue/ a range/17:12
rgareussince log(x) with x <=0 is not a rational number, I suppose gtk cannot handle it.17:13
rgareusthough plugin-hosts could still map a logscale dB gain range in some sensible manner.17:15
Anchakor_I used log scale controls just for freq. so I didn't encounter this issue17:15
rgareusAnchakor_: try -57 Hz :)17:16
Anchakor_that is not a valid frequency :)17:17
drobillargareus: possibly because the types are different17:49
drobillargareus: Which is maybe a minor bug, but you should use floats for them all17:50
drobilla(it does make a difference in the RDF sense, "-60" is a different type of literal than "-60.0", though I thought this was sorted)17:50
drobillathere's also the negative thing.  I dunno.  Honestly very little thought has gone into jalv's logarithmic thingie (and I didn't write it)17:51
drobillaWe should probably figure out and properly document this stuff...17:51
rgareusdrobilla: -60.0 vs -60 makes no difference.17:51
drobillargareus: k.  Thought that was sorted in lilv long ago, just the first thing I noticed17:52
drobillaand commented on before reading further :)17:52
rgareusdrobilla: but jalv does not like negative numbers with log-scale (which is understandable)17:52
rgareusin retrospect using a linear-scale (with dB as unit) makes more sense anyway.17:53
drobillais it reasonable to, say, shift it to 1..r, calculate the log bit, then shift it back?17:53
drobillathis argument is why there was no lv2:logarithmic17:54
rgareusdrobilla: it's not unreasonable to shift it.17:54
drobillathough port-props is among the worst "too many extensions" offenders17:54
* drobilla wishes he could have ridden the post-LAC wave to clean this stuff up, but y'know, real work and things...17:54
drobillarncbc: though I did clean up all the UI docs considerably, including but not limited to the stuff you mentioned17:54
rgareusdrobilla: We're all still waiting for that zita-at1 LV2 :)17:55
drobillaIt's literally on my screen right now, as it happens17:55
drobillabut clxclient won't let me specify a parent window17:55
drobillaI was just about to forward the half-baked thing to Fons17:56
drobilla(I did it last week)17:56
rgareusdid he comment?17:56
drobillahaven't sent it yet17:56
Anchakor_dB already are logarithmic17:57
Anchakor_so linear scale makes more sense17:57
drobillaaudio doesn't seem to actually work, so I guess I have to actually look into it more :/17:58
Anchakor_did lac make fons warmer to lv2? :)18:01
drobillaSomething did, anyway :)18:02
drobillaMore of a reluctant acceptance that it'll do stuff he needs, no doubt... but that's kind of what LV2 is for everyone18:02
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* drobilla discovers serd "undefined namespace" error reporting bug needs an API change18:58
drobilladamnit.18:58
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drobillaAlso, I tried to simplify/friendly-ize the generated ontology docs, if anyone cares to build the docs from svn, feedback would be appreciated19:10
drobillaStill need to consider if alternate means of bringing code to the forefront is necessary, or if just some revision so the intros have plenty of links to relevant code docs willdo19:11
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