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VST3: implement some restart component flags

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Re-order handling of the flags, do not return early,
and log warnings for unhandled flags.
This commit is contained in:
Robin Gareus 2020-09-30 17:09:32 +02:00
parent 814eca48af
commit 00b5b61a43
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GPG key ID: A090BCE02CF57F04
1 changed files with 18 additions and 4 deletions
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22
libs/ardour/vst3_plugin.cc
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@ -1261,10 +1261,16 @@ VST3PI::restartComponent (int32 flags)
printf ("VST3PI::restartComponent %x\n", flags);
#endif
if (flags & Vst::kReloadComponent) {
return kNotImplemented;
}
if (flags & Vst::kIoChanged) {
return kNotImplemented;
/* according to the spec, "The host has to unload completely
* the plug-in (controller/processor) and reload it."
*
* However other implementations, in particular JUCE, only
* re-activates the plugin. So let's follow their lead for
* the time being.
*/
warning << "VST3: Vst::kReloadComponent (ignored)" << endmsg;
deactivate ();
activate ();
}
if (flags & Vst::kParamValuesChanged) {
update_shadow_data ();
@ -1275,6 +1281,14 @@ VST3PI::restartComponent (int32 flags)
activate ();
_plugin_latency.reset ();
}
if (flags & Vst::kIoChanged) {
warning << "VST3: Vst::kIoChanged (not implemented)" << endmsg;
#if 0
update_processor ();
// TODO getBusArrangement(); enable_io()
#endif
return kNotImplemented;
}
return kResultOk;
}