save version string with session for informational purposes

[ardour.git] / libs / ardour / ardour / panner.h

diff --git a/libs/ardour/ardour/panner.h b/libs/ardour/ardour/panner.h
index c23d3bd33fbe97b0e3331e0a34b9c9a24e93da53..48f9ee16e9fc3b0312e20daf4948d9ac8b40ade9 100644 (file)
--- a/libs/ardour/ardour/panner.h
+++ b/libs/ardour/ardour/panner.h
@@ -30,37 +30,22 @@
 #include "pbd/signals.h"
 #include "pbd/stateful.h"
 
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
 #include "ardour/automation_control.h"
 #include "ardour/automatable.h"
 
-#if !defined(ARDOURPANNER_IS_IN_WINDLL)
-       #if defined(COMPILER_MSVC) || defined(COMPILER_MINGW)
-       // If you need '__declspec' compatibility, add extra compilers to the above as necessary
-               #define ARDOURPANNER_IS_IN_WINDLL 1
-       #else
-               #define ARDOURPANNER_IS_IN_WINDLL 0
-       #endif
-#endif
-
-#if ARDOURPANNER_IS_IN_WINDLL && !defined(ARDOURPANNER_API)
-       #if defined(BUILDING_ARDOURPANNERS)
-               #define ARDOURPANNER_API __declspec(dllexport)
-               #define ARDOURPANNER_APICALLTYPE __thiscall
-               #define ARDOURPANNER_CAPICALLTYPE __cdecl
-       #elif defined(COMPILER_MSVC) || defined(COMPILER_MINGW) // Probably needs Cygwin too, at some point
-               #define ARDOURPANNER_API __declspec(dllimport)
-               #define ARDOURPANNER_APICALLTYPE __thiscall
-               #define ARDOURPANNER_CAPICALLTYPE __cdecl
-       #else
-               #error "Attempting to define __declspec with an incompatible compiler !"
-       #endif
-#elif !defined(ARDOURPANNER_API)
-       // Other compilers / platforms could be accommodated here
-       #define ARDOURPANNER_API
-       #define ARDOURPANNER_APICALLTYPE
-       #define ARDOURPANNER_CAPICALLTYPE
-#endif
+
+/* This section is for actual panners to use. They will include this file,
+ * declare ARDOURPANNER_DLL_EXPORTS during compilation, and ... voila.
+ */
+
+#ifdef ARDOURPANNER_DLL_EXPORTS // defined if we are building a panner implementation
+    #define ARDOURPANNER_API LIBARDOUR_DLL_EXPORT
+  #else
+    #define ARDOURPANNER_API LIBARDOUR_DLL_IMPORT
+  #endif
+#define ARDOURPANNER_LOCAL LIBARDOUR_DLL_LOCAL
 
 namespace ARDOUR {
 
@@ -70,7 +55,7 @@ class BufferSet;
 class AudioBuffer;
 class Speakers;
 
-class Panner : public PBD::Stateful, public PBD::ScopedConnectionList
+class LIBARDOUR_API Panner : public PBD::Stateful, public PBD::ScopedConnectionList
 {
 public:
        Panner (boost::shared_ptr<Pannable>);
@@ -95,7 +80,7 @@ public:
           * return false
        */
 
-       virtual bool ARDOURPANNER_APICALLTYPE clamp_position (double&) { return true; }
+       virtual bool clamp_position (double&) { return true; }
        virtual bool clamp_width (double&) { return true; }
        virtual bool clamp_elevation (double&) { return true; }
 
@@ -103,7 +88,7 @@ public:
        virtual std::pair<double, double> width_range () const { return std::make_pair (-DBL_MAX, DBL_MAX); }
        virtual std::pair<double, double> elevation_range () const { return std::make_pair (-DBL_MAX, DBL_MAX); }
 
-       virtual void ARDOURPANNER_APICALLTYPE set_position (double) { }
+       virtual void set_position (double) { }
        virtual void set_width (double) { }
        virtual void set_elevation (double) { }
 
@@ -115,6 +100,9 @@ public:
 
        virtual void reset () = 0;
 
+       /* azimut, width or elevation updated -> recalc signal_position ->  emit Changed */
+       PBD::Signal0<void> SignalPositionChanged;
+
        void      set_automation_state (AutoState);
        AutoState automation_state() const;
        void      set_automation_style (AutoStyle);
@@ -122,7 +110,7 @@ public:
 
        virtual std::set<Evoral::Parameter> what_can_be_automated() const;
        virtual std::string describe_parameter (Evoral::Parameter);
-       virtual std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
+       virtual std::string value_as_string (boost::shared_ptr<const AutomationControl>) const;
 
        bool touching() const;
 
@@ -171,7 +159,7 @@ public:
 
        int set_state (const XMLNode&, int version);
        XMLNode& get_state ();
-       
+
        boost::shared_ptr<Pannable> pannable() const { return _pannable; }
 
        static bool equivalent (pan_t a, pan_t b) {
@@ -200,10 +188,13 @@ protected:
 } // namespace
 
 extern "C" {
-struct PanPluginDescriptor {
+struct LIBARDOUR_API PanPluginDescriptor {
        std::string name;
+       std::string panner_uri;
+       std::string gui_uri;
        int32_t in;
        int32_t out;
+       uint32_t priority;
        ARDOUR::Panner* (*factory)(boost::shared_ptr<ARDOUR::Pannable>, boost::shared_ptr<ARDOUR::Speakers>);
 };
 }