Fix crash when setting nodes polyphonic.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4433 a436a847-0d15-0410-975c-d299462d15a1

5 files changed, 13 insertions, 21 deletions

diff --git a/src/server/InputPort.cpp b/src/server/InputPort.cpp
index ebe5d41d..3ff8cd41 100644
--- a/src/server/InputPort.cpp
+++ b/src/server/InputPort.cpp
@@ -88,8 +88,9 @@ InputPort::get_buffers(Context&                context,
 
 	if (is_a(PortType::AUDIO) && num_edges == 0) {
 		// Audio input with no edges, use shared zero buffer
-		for (uint32_t v = 0; v < poly; ++v)
+		for (uint32_t v = 0; v < poly; ++v) {
 			buffers->at(v) = bufs.silent_buffer();
+		}
 		return false;
 
 	} else if (num_edges == 1) {
@@ -97,8 +98,9 @@ InputPort::get_buffers(Context&                context,
 			if (!_edges.front().must_mix() &&
 			    !_edges.front().must_queue()) {
 				// Single non-mixing connection, use buffers directly
-				for (uint32_t v = 0; v < poly; ++v)
+				for (uint32_t v = 0; v < poly; ++v) {
 					buffers->at(v) = _edges.front().buffer(v);
+				}
 				return false;
 			}
 		}
@@ -106,7 +108,8 @@ InputPort::get_buffers(Context&                context,
 
 	// Otherwise, allocate local buffers
 	for (uint32_t v = 0; v < poly; ++v) {
-		buffers->at(v) = _bufs.get(context, buffer_type(), _buffer_size);
+		buffers->at(v).reset();
+		buffers->at(v) = bufs.get(context, buffer_type(), _buffer_size);
 		buffers->at(v)->clear();
 	}
 	return true;
diff --git a/src/server/PatchImpl.cpp b/src/server/PatchImpl.cpp
index fefc797e..43a8ea01 100644
--- a/src/server/PatchImpl.cpp
+++ b/src/server/PatchImpl.cpp
@@ -109,10 +109,6 @@ PatchImpl::prepare_internal_poly(BufferFactory& bufs, uint32_t poly)
 	for (Nodes::iterator i = _nodes.begin(); i != _nodes.end(); ++i)
 		(*i)->prepare_poly(bufs, poly);
 
-	for (Nodes::iterator i = _nodes.begin(); i != _nodes.end(); ++i)
-		for (uint32_t j = 0; j < (*i)->num_ports(); ++j)
-			(*i)->port_impl(j)->prepare_poly_buffers(bufs);
-
 	return true;
 }
 
@@ -433,7 +429,7 @@ PatchImpl::build_ports_array() const
 /** Find the process order for this Patch.
  *
  * The process order is a flat list that the patch will execute in order
- * when it's run() method is called.  Return value is a newly allocated list
+ * when its run() method is called.  Return value is a newly allocated list
  * which the caller is reponsible to delete.  Note that this function does
  * NOT actually set the process order, it is returned so it can be inserted
  * at the beginning of an audio cycle (by various Events).
diff --git a/src/server/PortImpl.cpp b/src/server/PortImpl.cpp
index 9f2aae32..8ce8ac91 100644
--- a/src/server/PortImpl.cpp
+++ b/src/server/PortImpl.cpp
@@ -133,17 +133,12 @@ PortImpl::prepare_poly(BufferFactory& bufs, uint32_t poly)
 	if (!_prepared_buffers)
 		_prepared_buffers = new Raul::Array<BufferRef>(poly, *_buffers, NULL);
 
-	return true;
-}
+	get_buffers(bufs.engine().message_context(),
+	            bufs,
+	            _prepared_buffers,
+	            _prepared_buffers->size());
 
-void
-PortImpl::prepare_poly_buffers(BufferFactory& bufs)
-{
-	if (_prepared_buffers)
-		get_buffers(bufs.engine().message_context(),
-		            bufs,
-		            _prepared_buffers,
-		            _prepared_buffers->size());
+	return true;
 }
 
 bool
diff --git a/src/server/PortImpl.hpp b/src/server/PortImpl.hpp
index 503e619f..0dbb271c 100644
--- a/src/server/PortImpl.hpp
+++ b/src/server/PortImpl.hpp
@@ -70,8 +70,6 @@ public:
 	 */
 	virtual bool prepare_poly(BufferFactory& bufs, uint32_t poly);
 
-	virtual void prepare_poly_buffers(BufferFactory& bufs);
-
 	/** Apply a new polyphony value.
 	 *
 	 * Audio thread.
diff --git a/src/server/events/SetMetadata.cpp b/src/server/events/SetMetadata.cpp
index 7bd3e7a5..e8cce384 100644
--- a/src/server/events/SetMetadata.cpp
+++ b/src/server/events/SetMetadata.cpp
@@ -142,7 +142,7 @@ SetMetadata::pre_process()
 			// Grab the object for applying properties, if the create-event succeeded
 			_object = _engine.engine_store()->find_object(Raul::Path(_subject.str()));
 		} else {
-			_status = BAD_OBJECT_TYPE;
+			return Event::pre_process_done(BAD_OBJECT_TYPE);
 		}
 	}