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-rw-r--r--src/engine/events/SetMetadata.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/engine/events/SetMetadata.cpp b/src/engine/events/SetMetadata.cpp
index 5e289928..8095a03c 100644
--- a/src/engine/events/SetMetadata.cpp
+++ b/src/engine/events/SetMetadata.cpp
@@ -216,6 +216,7 @@ SetMetadata::pre_process()
} else if (key == uris.ingen_polyphony) {
if (value.type() == Atom::INT) {
op = POLYPHONY;
+ _blocking = true;
_patch->prepare_internal_poly(*_engine.buffer_factory(), value.get_int32());
} else {
_error = BAD_VALUE_TYPE;
@@ -314,6 +315,9 @@ SetMetadata::execute(ProcessContext& context)
_object->remove_property(p->first, p->second);
QueuedEvent::execute(context);
+
+ if (_blocking)
+ _request->unblock();
}