De-template-ification of port types (req. for LV2 MIDI, but nice code size reduction).

LV2 MIDI patching support (LV2 style MIDI throughout, inc. internal plugins).


git-svn-id: http://svn.drobilla.net/lad/ingen@415 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 32 insertions, 4 deletions

diff --git a/src/libs/engine/Connection.h b/src/libs/engine/Connection.h
index a7a2b3fa..7d109d88 100644
--- a/src/libs/engine/Connection.h
+++ b/src/libs/engine/Connection.h
@@ -21,11 +21,14 @@
 #include <cstdlib>
 #include <boost/utility.hpp>
 #include <raul/Deletable.h>
+#include "DataType.h"
+#include "Port.h"
 #include "types.h"
 
 namespace Ingen {
 
 class Port;
+class Buffer;
 
 
 /** Represents a single inbound connection for an InputPort.
@@ -41,7 +44,8 @@ class Port;
 class Connection : public Raul::Deletable
 {
 public:
-	virtual ~Connection() {}
+	Connection(Port* src_port, Port* dst_port);
+	virtual ~Connection();
 	
 	Port* src_port() const { return _src_port; }
 	Port* dst_port() const { return _dst_port; }
@@ -50,17 +54,41 @@ public:
 	bool pending_disconnection()       { return _pending_disconnection; }
 	void pending_disconnection(bool b) { _pending_disconnection = b; }
 	
-	virtual void set_buffer_size(size_t size) {}
+	void process(SampleCount nframes, FrameTime start, FrameTime end);
 
-protected:
-	Connection(Port* const src_port, Port* const dst_port);
+	/** Get the buffer for a particular voice.
+	 * A Connection is smart - it knows the destination port requesting the
+	 * buffer, and will return accordingly (ie the same buffer for every voice
+	 * in a mono->poly connection).
+	 */
+	inline Buffer* buffer(size_t voice) const;
 	
+	void set_buffer_size(size_t size);
+
+	DataType type() const { return _src_port->type(); }
+
+protected:
 	Port* const _src_port;
 	Port* const _dst_port;
+	Buffer*     _local_buffer;
+	size_t      _buffer_size;
+	bool        _must_mix;
 	bool        _pending_disconnection;
 };
 
 
+inline Buffer*
+Connection::buffer(size_t voice) const
+{
+	if (_must_mix)
+		return _local_buffer;
+	else if (_src_port->poly() == 1)
+		return _src_port->buffer(0);
+	else
+		return _src_port->buffer(voice);
+}
+
+
 } // namespace Ingen
 
 #endif // CONNECTION_H