inch-like progress on defining the API for AudioBackend and separating AudioEngine from this

1 files changed, 50 insertions, 0 deletions

diff --git a/libs/ardour/ardour/port_manager.h b/libs/ardour/ardour/port_manager.h
new file mode 100644
index 0000000000..8a363899ea
--- /dev/null
+++ b/libs/ardour/ardour/port_manager.h
@@ -0,0 +1,50 @@
+namespace ARDOUR
+
+class PortManager 
+{
+  public:
+	PortManager() {}
+	virtual ~PortManager() {}
+
+	/* Port registration */
+	
+	virtual boost::shared_ptr<Port> register_input_port (DataType, const std::string& portname) = 0;
+	virtual boost::shared_ptr<Port> register_output_port (DataType, const std::string& portname) = 0;
+	virtual int unregister_port (boost::shared_ptr<Port>) = 0;
+	
+	/* Port connectivity */
+	
+	virtual int connect (const std::string& source, const std::string& destination) = 0;
+	virtual int disconnect (const std::string& source, const std::string& destination) = 0;
+	virtual int disconnect (boost::shared_ptr<Port>) = 0;
+	
+	/* other Port management */
+	
+	virtual bool port_is_physical (const std::string&) const = 0;
+	virtual void get_physical_outputs (DataType type, std::vector<std::string>&) = 0;
+	virtual void get_physical_inputs (DataType type, std::vector<std::string>&) = 0;
+	virtual boost::shared_ptr<Port> get_port_by_name (const std::string &) = 0;
+	virtual void port_renamed (const std::string&, const std::string&) = 0;
+	virtual ChanCount n_physical_outputs () const = 0;
+	virtual ChanCount n_physical_inputs () const = 0;
+	virtual const char ** get_ports (const std::string& port_name_pattern, const std::string& type_name_pattern, uint32_t flags) = 0;
+
+	/* per-Port monitoring */
+	
+	virtual bool can_request_input_monitoring () const = 0;
+	virtual void request_input_monitoring (const std::string&, bool) const = 0;
+
+	class PortRegistrationFailure : public std::exception {
+	public:
+		PortRegistrationFailure (std::string const & why = "")
+			: reason (why) {}
+
+		~PortRegistrationFailure () throw () {}
+
+		virtual const char *what() const throw () { return reason.c_str(); }
+
+	private:
+		std::string reason;
+	};
+
+};