Monday, 2015-05-11

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rncbcftr. qtractor lv2-event (old midi) support is slanted for deprecation: heil to lv2-atom!15:08
falktx`rncbc: does qtractor send time info to plugins via atom messages?15:16
falktx`a user was reporting on #kxstudio that it wasn't working15:16
rncbcfalktx`: yes15:16
rncbcfalktx`: it does15:17
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rncbcfalktx`: it has been the cornerstone to qmidiarp a year or so ago15:18
falktxthe plugin works in ardour and carla, but not in qtractor15:19
rncbcfalktx: which one?15:20
falktxjuce-demo-plugin in https://github.com/DISTRHO/DISTRHO-Ports15:20
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rncbcfalktx: ill try15:24
falktxrncbc: use "make lv2" after the premake so it only builds lv2 plugins and skips vsts15:25
rncbcpremake? wtf is that?15:25
falktxit's like cmake15:25
rncbcfalktx: is it?15:26
falktxyes. it has a config file which generates makefiles15:27
rncbcfalktx: whatever... i don't have premake here available anyhow15:30
falktxI can give you a binary if you don't mind15:30
rncbcfalktx: and official v4 doen't seem to work though15:30
falktxthe plugin is inside here https://launchpad.net/~kxstudio-debian/+archive/ubuntu/plugins/+files/distrho-plugin-ports-lv2_20150430-1kxstudio1_amd64.deb15:32
rncbcfalktx: no debianese speak here15:32
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falktxyou can extract it15:33
rncbcfalktx: nevermind, make is running, somehow...15:34
falktxthe vst gets the time, the lv2 version does not15:34
rncbcfalktx: ==== Building drowaudio-reverb.lv2/drowaudio-reverb ====15:34
falktxso it's building the plugins already15:35
rncbcfalktx: so far so good... i guess the vst pass has gone15:35
rncbcfalktx: which prefix or DESTDIR by default?15:35
falktxI think only DESTDIR is used15:36
falktxthe plugins are all in bin/lv2/15:36
rncbcfalktx: i mean, is ir /usr/local, /usr,... ?15:36
rncbcfalktx: bin? not lib?15:37
falktxbin as in (source-root)/bin/lv215:37
falktxthe binaries get put there15:37
rncbcfalktx: that's weird, shouldn't plugins get into .../lib ?15:37
falktx...sigh15:38
falktxduring install yes, of course15:38
falktxbut this the build dir15:38
rncbcfalktx: ill have to test them, so ill make install, capisce?15:38
falktxyou can do 'sudo make install PREFIX=/usr'15:38
falktxrncbc: you could copy the juce-demo-plugin only manually instead of full install15:39
rncbcfalktx: ill try15:39
falktxif you never tried these plugins before I think you'll like them15:39
falktxeven know they're made with juce...15:40
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falktxit's slowly getting better15:40
rncbcfalktx: ftr. ive tried some years ago15:40
rncbcfalktx: and then, vst and lv2 time info were working alright on qtractor15:41
rncbcfalktx: fyi. the v1's use it , re. when delay bpm set to auto15:44
falktxthis is not just bpm15:45
falktxit's full time info15:45
rncbcfalktx: bpm is one prop of the lv2 time struct ;)15:45
rncbcfalktx: anyway, it failed15:46
falktxhttps://github.com/DISTRHO/DISTRHO-Ports/blob/master/libs/juce/source/modules/juce_audio_plugin_client/LV2/juce_LV2_Wrapper.cpp#L140915:46
rncbcfalktx: http://pastebin.com/1Wu4Ea2Z15:47
falktxrun "make lv2" only15:47
falktxyou don't need the vsts for this15:47
falktxit's also mentioned in the README :)15:47
rncbcfalktx: and what should be the make install? then?15:48
falktxyou can do 'sudo make install PREFIX=/usr'15:49
rncbcfalktx: why o why does it make it to /usr/src/disthro ????15:51
falktxfor other custom plugins15:51
falktxthese ones https://github.com/DISTRHO/DISTRHO-Ports-Extra15:51
falktxthey need that src to work15:51
falktx(to build)15:51
rncbcfalktx: i can confirm, juce-demo-plugin is not getting any lv2 transport info ...15:57
rncbcfalktx: also, when on jalv urn:juce:JuceDemoPlugin, tempo display is erratic16:05
falktxknown issue. jalv only sends new time info when play begins16:09
falktxit expects the plugin to update its internal tempo automatically during run16:09
falktxI haven't done that for juce-lv2 yet16:10
rncbcfalktx: well, qtractor does almost the same, new atom event is only sent when info changes16:32
falktxit depends on what this info means16:33
falktxdo you send the bar, barBeat changes?16:33
rncbcfalktx: yes. also, might differ from vst, where the plugin asks the time info all the time16:34
falktxjalv doens't send *any* change when the playback is rolling16:36
falktxit expects the plugins to update BBT and similar internally16:37
falktxit's a pain :(16:37
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drobillathat premake stuff doesn't work with the debian v4 either.  The filenames and premake binary name are wrong17:05
drobillaIt seems rather wasteful to send a big tempo event every single cycle when nothing has changed except time rolled17:06
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