[OMPT-svn-commit] OpenMPT r21557 - in branches/OpenMPT-1.31: . pluginBridge

[<sv...@op...>]

Author: sagamusix
Date: Sat Aug 31 15:55:00 2024
New Revision: 21557
URL: https://source.openmpt.org/browse/openmpt/?op=revision&rev=21557

Log:
Merged revision(s) 21556 from trunk/OpenMPT:
[Fix] Avoid crash in plugin bridge if plugin changes channel configuration without telling us (observed with Surge XT via vst3ishell, https://bugs.openmpt.org/view.php?id=1807).
........

Modified:
   branches/OpenMPT-1.31/   (props changed)
   branches/OpenMPT-1.31/pluginBridge/Bridge.cpp

Modified: branches/OpenMPT-1.31/pluginBridge/Bridge.cpp
==============================================================================
--- branches/OpenMPT-1.31/pluginBridge/Bridge.cpp	Sat Aug 31 15:53:58 2024	(r21556)
+++ branches/OpenMPT-1.31/pluginBridge/Bridge.cpp	Sat Aug 31 15:55:00 2024	(r21557)
@@ -478,6 +478,9 @@
 		// [value]: 0 means "turn off", 1 means "turn on"
 		::SetThreadPriority(m_audioThread, msg.value ? THREAD_PRIORITY_ABOVE_NORMAL : THREAD_PRIORITY_NORMAL);
 		m_sharedMem->tailSize = static_cast<int32>(Dispatch(effGetTailSize, 0, 0, nullptr, 0.0f));
+		// Plugin should tell us if number of channels changes through audioMasterIOChanged, but Surge XT via vst3ishell has been observed not to do that.
+		if(msg.value)
+			DispatchToHost(audioMasterVendorSpecific, kVendorOpenMPT, kUpdateProcessingBuffer, nullptr, 0.0f);
 		break;
 
 	case effEditGetRect: