4 files changed, 25 insertions, 34 deletions

diff --git a/src/common/interface/PortType.hpp b/src/common/interface/PortType.hpp
index 77211b71..72dbb327 100644
--- a/src/common/interface/PortType.hpp
+++ b/src/common/interface/PortType.hpp
@@ -79,9 +79,6 @@ private:
 		case 1:  return "lv2:AudioPort";
 		case 2:  return "lv2:ControlPort";
 		case 3:  return "lv2ev:EventPort";
-		case 4:  return "lv2ev:EventPort"; // MIDI (no longer used)
-		case 5:  return "lv2ev:EventPort"; // OSC (no longer used)
-		case 6:  return "sp:StringPort"; // String Port (no longer used)
 		case 7:  return "obj:ValuePort";
 		default: return "";
 		}
diff --git a/src/engine/AudioBuffer.cpp b/src/engine/AudioBuffer.cpp
index fbca1e7b..633a004b 100644
--- a/src/engine/AudioBuffer.cpp
+++ b/src/engine/AudioBuffer.cpp
@@ -39,7 +39,6 @@ using namespace Shared;
 AudioBuffer::AudioBuffer(Shared::PortType type, size_t size)
 	: ObjectBuffer(size + sizeof(LV2_Object)
 			+ (type == PortType::AUDIO ? sizeof(LV2_Vector_Body) : 0))
-	, _port_type(type)
 	, _state(OK)
 	, _set_value(0)
 	, _set_time(0)
@@ -75,7 +74,7 @@ AudioBuffer::AudioBuffer(Shared::PortType type, size_t size)
 void
 AudioBuffer::resize(size_t size)
 {
-	if (_port_type == PortType::AUDIO) {
+	if (_type == PortType::AUDIO) {
 		ObjectBuffer::resize(size + sizeof(LV2_Vector_Body));
 		vector()->elem_count = size / sizeof(Sample);
 	}
@@ -103,7 +102,7 @@ AudioBuffer::clear()
 void
 AudioBuffer::set_value(Sample val, FrameTime cycle_start, FrameTime time)
 {
-	if (_port_type == PortType::CONTROL)
+	if (is_control())
 		time = cycle_start;
 
 	const FrameTime offset = time - cycle_start;
@@ -163,10 +162,19 @@ AudioBuffer::copy(const Sample* src, size_t start_sample, size_t end_sample)
 void
 AudioBuffer::copy(Context& context, const Buffer* src)
 {
-	if (_type == src->type()) {
+	const AudioBuffer* src_abuf = dynamic_cast<const AudioBuffer*>(src);
+	if (!src_abuf) {
+		clear();
+		return;
+	}
+
+	// Control => Control or Audio => Audio
+	if (src_abuf->is_control() == is_control()) {
 		ObjectBuffer::copy(context, src);
-	} else if (_type == PortType::AUDIO && src->type() == PortType::CONTROL) {
-		set_block(((AudioBuffer*)src)->data()[0], 0, nframes());
+
+	// Control => Audio or Audio => Control
+	} else {
+		set_block(src_abuf->data()[0], 0, nframes());
 	}
 }
 
@@ -179,11 +187,10 @@ AudioBuffer::copy(Context& context, const Buffer* src)
 void
 AudioBuffer::mix(Context& context, const Buffer* const src)
 {
-	if (src->type() != PortType::CONTROL && src->type() != PortType::AUDIO)
+	const AudioBuffer* src_abuf = dynamic_cast<const AudioBuffer*>(src);
+	if (!src_abuf)
 		return;
 
-	AudioBuffer* src_abuf = (AudioBuffer*)src;
-
 	Sample* const       buf     = data();
 	const Sample* const src_buf = src_abuf->data();
 
diff --git a/src/engine/AudioBuffer.hpp b/src/engine/AudioBuffer.hpp
index 25cfd15c..f7d036ff 100644
--- a/src/engine/AudioBuffer.hpp
+++ b/src/engine/AudioBuffer.hpp
@@ -43,30 +43,18 @@ public:
 	void copy(Context& context, const Buffer* src);
 	void mix(Context& context, const Buffer* src);
 
+	bool is_control() const { return _type.symbol() == Shared::PortType::CONTROL; }
+
 	inline Sample* data() const {
-		switch (_port_type.symbol()) {
-		case Shared::PortType::CONTROL:
-			return (Sample*)object()->body;
-		case Shared::PortType::AUDIO:
-			return (Sample*)(object()->body + sizeof(LV2_Vector_Body));
-		default:
-			return NULL;
-		}
+		return (is_control())
+				? (Sample*)object()->body
+				: (Sample*)(object()->body + sizeof(LV2_Vector_Body));
 	}
 
 	inline SampleCount nframes() const {
-		SampleCount ret = 0;
-		switch (_port_type.symbol()) {
-		case Shared::PortType::CONTROL:
-			ret = 1;
-			break;
-		case Shared::PortType::AUDIO:
-			ret = (_size - sizeof(LV2_Object) - sizeof(LV2_Vector_Body)) / sizeof(Sample);
-			break;
-		default:
-			ret = 0;
-		}
-		return ret;
+		return (is_control())
+				? 1
+				: (_size - sizeof(LV2_Object) - sizeof(LV2_Vector_Body)) / sizeof(Sample);
 	}
 
 	inline Sample& value_at(size_t offset) const
@@ -82,7 +70,6 @@ private:
 
 	LV2_Vector_Body* vector() { return(LV2_Vector_Body*)object()->body; }
 
-	Shared::PortType _port_type; ///< Type of port this buffer is for
 	State            _state;     ///< State of buffer for setting values next cycle
 	Sample           _set_value; ///< Value set by set_value (for completing the set next cycle)
 	FrameTime        _set_time;  ///< Time _set_value was set (to reset next cycle)
diff --git a/src/gui/PortMenu.cpp b/src/gui/PortMenu.cpp
index bbf5cbbd..48a0e2c3 100644
--- a/src/gui/PortMenu.cpp
+++ b/src/gui/PortMenu.cpp
@@ -48,7 +48,7 @@ PortMenu::init(SharedPtr<PortModel> port, bool patch_port)
 		_destroy_menuitem->hide();
 	}
 
-	if (port->type() == PortType::EVENTS || port->type() == PortType::VALUE)
+	if (port->type() == PortType::EVENTS)
 		_polyphonic_menuitem->hide();
 
 	_enable_signal = true;