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What GUI do you see with x42-comp plugin, in 5.12? in 6.0x? What revision of 6.0? |
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ardour512_x42comp.png (44,846 bytes) ardour6_x42_comp.png (40,934 bytes) |
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x42-comp in mono crashes my ardour 5.12 if I try to edit it. The stereo version looks like a nice GUI on ardour 5.12 (attached), but looks like the generic version on ardour 6. The revision of Ardour 6.0 is: Ardour 6.0.rc2.7 |
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I can't reproduce on 5.12 or 6.0.rc2.11. I tried on audio track and on MIDI track. No errors in log - No crash. Did you see any warnings or errors in the log window? Maybe you can see a message if you start 6.0.x build in debug mode. Open a command shell window in the sub-directory gtk2_ardour, under ardour directory where you built the source. This command will start up with debug messages from the plugin manager. ./ardev -D pluginmanager If you type ./ardev --help, you can see other debug startup options. A crash often leaves no clues, and requires capturing a dump file. See the instructions in the developer section of Ardour website. I do not believe any 5.12 version installed from distribution repository will be supported. Only source versions and versions installed directly from Ardour website download. |
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Thanks. This is just so weird. I'm not sure if I didn't install a required library or something. Anyway, I looked into the log messages, and couldn't find anything that indicates the GUI issue. Some of the errors I got look like this: ``` lilv_plugin_load_ports_if_necessary(): error: Plugin <http://ll-plugins.nongnu.org/lv2/math-function-tan-ctrl#0> port symbol `(null)' is invalid error: failed to expand CURIE `foaf:name' error: /usr/lib64/lv2/newtonator.lv2/newt_lv2_instr.ttl:15:31: expected `]', not `;' lilv_world_load_file(): error: Error loading file `file:///usr/lib64/lv2/newtonator.lv2/newt_lv2_instr.ttl' ``` I'm not sure whether those errors actually mean anything meaningful for the GUI not showing up. Is there any chance that this error is caused by either GNOME 3.36 or Fedora 32? |
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The log messages are unrelated. They're caused by invalid meta-data of some plugins (here ll-plugins and newtonator). Check Arodur Menu > Help > About --> Config , If there is LV2 UI embedding: True or if it's False. Ardour uses libsuil to show embed plugin GUIs, maybe it was not installed when you compiled Ardour? Perhaps try a https://nightly.ardour.org/ (demo is fine) |
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LV2 UI embedding was False for Ardour6 and True for Ardour5.12. I installed suil (suil-0.10.6-2.fc32.x86_64), and reinstalled Ardour 5.12. Now, when I try to open the GUI of a plugin, the log file says: [ERROR]: failed to instantiate LV2 GUI. I wonder if this is in anyway related to this post from last year (https://github.com/rncbc/drumkv1/issues/27). For Ardour 6, I recompiled it after installing the suil library. I noticed that in the ./waf configure output, LV2 UI embedding is True. I also noticed that ardour didn't find lv2 >= 1.17.2. Now the flag LV2 UI embedding = True in help->about->config. Unfortunately, now I get the same error as in Ardour 5.12 (2020-05-23T13:03:48 [ERROR]: failed to instantiate LV2 GUI). Downloaded the nightly build (demo) and ran the installer. Same error: failed to instantiate LV2 GUI. |
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> Downloaded the nightly build (demo) and ran the installer. Same error: failed to instantiate LV2 GUI. OK. In that case the issue is likely with the plugin. missing libs perhaps? |
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Maybe, but no idea which libraries I might be missing. The plugins' GUI seem to work fine outside of ardour. For instance, I can see all the GUIs of calf plugins within calf, but not inside ardour. Do you have any ideas of which libraries I should look for? |
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I first responded to your issue because it reminded me of an question I ( user MMP303 ) posted in the forum, titled "Avldrum LV2 plugin installation problems". Since my issue effected both 5.12 and 6.0.rc, I felt it may be a system-wide configuration problem, and hesitated to report it as a Ardour bug. If you read that post, you may consider cautiously reviewing the configuration of your system openGL libraries and video drivers, to see that they are up to date. This solved my problem, but required me to first do some learning about my specific hardware and display software "stack" - openGL, etc. I also recall that I had to resolve some broken package dependencies during these updates, so proceed at your own peril. As far as discovering what libraries an installed LV2 instrument package depend on, a decent package manager GUI should provide this information. I don't know about your RedHat situation - rpm or flatpak? |
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I forgot to mention - when you execute an instrument as "LV2 plugin", I believe you are referring to the instrument library being "plugged in" or embedded within a host application. Many instruments (Calf, Yoshimi, Phasex, etc ) also have a "stand-alone" executable version, which are independent executables. I don't think those use LV2, and may be separate install packages. |
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Thanks a lot for your comments. I used rpm to install Ardour 5.12 and dependencies. I agree, it seems like the issue might be related to either libraries or some system-wide configuration issue. I've found that, at least after installing libsuil, some plugins do work, like Invada plugins. So, it's probably not an Ardour issue. I'll take a look at the dependencies and the graphics driver. |
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Issue has been closed automatically, by Trigger Close Plugin. Feel free to re-open with additional information if you think the issue is not resolved. |
- Anonymous
