Mixer: Add basic OSC control to Controller_Module.

mixer/src/Chain.C

@@ -446,7 +446,9 @@ Chain::name ( const char *name )
     _name = name;
 
     for ( int i = 0; i < modules(); ++i )
+    {
         module( i )->handle_chain_name_changed();
+    }
 }
 
 bool

mixer/src/Controller_Module.C

@@ -42,6 +42,11 @@
 #include "Engine/Engine.H"
 #include "Chain.H"
 
+#include "OSC/Endpoint.H"
+
+// needed for mixer->endpoint
+#include "Mixer.H"
+
 
 
 const float CONTROL_UPDATE_FREQ = 0.1f;
@@ -60,6 +65,7 @@ Controller_Module::Controller_Module ( bool is_default ) : Module( is_default, 5
     add_port( Port( this, Port::OUTPUT, Port::CONTROL ) );
 
     _mode = GUI;
+    _osc_path = NULL;
 
 //    mode( GUI );
 //    mode( CV );
@@ -70,7 +76,6 @@ Controller_Module::Controller_Module ( bool is_default ) : Module( is_default, 5
     Fl::add_timeout( CONTROL_UPDATE_FREQ, update_cb, this );
 
     log_create();
-
 }
 
 Controller_Module::~Controller_Module ( )
@@ -81,6 +86,59 @@ Controller_Module::~Controller_Module ( )
 
     /* shutdown JACK port, if we have one */
     mode( GUI );
+    
+    change_osc_path( NULL );
+}
+
+void
+Controller_Module::handle_chain_name_changed()
+{
+    change_osc_path( generate_osc_path() );
+}
+
+char *
+Controller_Module::generate_osc_path ()
+{
+    const Port *p = control_output[0].connected_port();
+
+    if ( !p )
+        return NULL;
+
+    char *path;
+
+    asprintf( &path, "/mixer/%s/%s/%s", chain()->name(), p->module()->label(), p->name() );
+
+    // Hack to keep spaces out of OSC URL... Probably need to handle other special characters similarly.
+    for ( int i = strlen( path ); i--; )
+    {
+        if ( path[i] == ' ' )
+            path[i] = '_';
+    }
+    
+
+    return path;
+}
+
+void
+Controller_Module::change_osc_path ( char *path )
+{
+    if ( _osc_path )
+    {
+	mixer->osc_endpoint->del_method( _osc_path, "f" );
+
+	free( _osc_path );
+       
+	_osc_path = NULL;
+    }
+
+    if ( path )
+    {
+	mixer->osc_endpoint->add_method( path, "f", &Controller_Module::osc_control_change, this );
+
+	_osc_path = path;
+
+	tooltip( _osc_path );
+    }
 }
 
 
@@ -180,7 +238,7 @@ Controller_Module::mode ( Mode m )
             chain()->engine()->unlock();
         }
     }
-    else if ( mode() == CV && m == GUI )
+    else if ( mode() == CV && m != CV )
     {
         chain()->engine()->lock();
 
@@ -391,6 +449,10 @@ Controller_Module::connect_to ( Port *p )
         resizable( w );
 /*         init_sizes(); */
     }
+
+    // create OSC port
+
+    change_osc_path( generate_osc_path() );
 }
 
 void
@@ -461,6 +523,8 @@ Controller_Module::menu_cb ( const Fl_Menu_ *m )
         mode( GUI );
     else if ( ! strcmp( picked, "Mode/Control Voltage" ) )
         mode( CV );
+    else if ( ! strcmp( picked, "Mode/Open Sound Control (OSC)" ) )
+	mode( OSC );
 }
 
 /** build the context menu for this control */
@@ -474,7 +538,7 @@ Controller_Module::menu ( void )
             { "Mode",             0, 0, 0,  FL_SUBMENU    },
             { "Manual",       0, 0, 0,  FL_MENU_RADIO | ( mode() == GUI ? FL_MENU_VALUE : 0 ) },
             { "Control Voltage",           0, 0, 0,  FL_MENU_RADIO | ( mode() == CV ? FL_MENU_VALUE : 0 ) },
-//            { "Open Sound Control (OSC)",          0, 0, 0,  FL_MENU_RADIO | ( mode() == OSC  ? FL_MENU_VALUE : 0 ) },
+            { "Open Sound Control (OSC)",          0, 0, 0,  FL_MENU_RADIO | ( mode() == OSC  ? FL_MENU_VALUE : 0 ) },
             { 0                   },
             { 0 },
         };
@@ -575,3 +639,22 @@ Controller_Module::process ( nframes_t nframes )
         control_value = f;
     }
 }
+
+int 
+Controller_Module::osc_control_change ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data )
+{
+    Controller_Module *c = (Controller_Module*)user_data;
+
+    if ( c->mode() != OSC )
+        return 0;
+
+    OSC_DMSG();
+
+    c->control_value = argv[0]->f;
+
+    mixer->osc_endpoint->send( lo_message_get_source( msg ), "/reply", path, "ok" );
+
+//    OSC_REPLY_OK();
+
+    return 0;
+}

mixer/src/Controller_Module.H

@@ -22,6 +22,7 @@
 #include "Module.H"
 #include <vector>
 #include "JACK/Port.H"
+#include "OSC/Endpoint.H"
 
 class Fl_Menu_Button;
 class Fl_Menu_;
@@ -42,6 +43,8 @@ class Controller_Module : public Module
     static void menu_cb ( Fl_Widget *w, void *v );
     void menu_cb ( const Fl_Menu_ *m );
 
+    char *_osc_path;
+
 public:
 
     enum Mode { GUI, CV, OSC, MIDI };
@@ -76,6 +79,7 @@ public:
     bool connect_spatializer_to ( Module *m );
 
     void handle_control_changed ( Port *p );
+    void handle_chain_name_changed ( void );
 
     LOG_CREATE_FUNC( Controller_Module );
 
@@ -89,6 +93,8 @@ public:
 
     int handle ( int m );
 
+//    void set_control_value ( float f ) { control_value = f; }
+
 protected:
 
     void get ( Log_Entry &e ) const;
@@ -96,6 +102,12 @@ protected:
 
 private:
 
+    char *generate_osc_path ( void );
+    void change_osc_path ( char *path );
+    
+    static int osc_control_change ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
+
+
     std::vector<JACK::Port> jack_input;
     Mode _mode;
     Type _type;

mixer/src/Mixer.C

@@ -78,6 +78,8 @@ OSC_HANDLER( quit )
 
     ((Mixer*)user_data)->command_quit();
 
+    OSC_REPLY_OK();
+
     return 0;
 }
 

mixer/src/Module.C

@@ -548,6 +548,17 @@ Module::menu ( void ) const
     return m;
 }
 
+void
+Module::handle_chain_name_changed ( )
+{
+    // pass it along to our connected Controller_Modules, if any.
+    for ( int i = 0; i < ncontrol_inputs(); ++i )
+    {
+        if ( control_input[i].connected() )
+            control_input[i].connected_port()->module()->handle_chain_name_changed();
+    }
+}
+
 int
 Module::handle ( int m )
 {

mixer/src/Module.H

@@ -341,7 +341,7 @@ public:
 
     /* called whenever the name of the chain changes (usually because
      * the name of the mixer strip changed). */
-    virtual void handle_chain_name_changed () {}
+    virtual void handle_chain_name_changed ();
 
     virtual void handle_port_connection_change () {}
 

nonlib/OSC/Endpoint.C

@@ -59,12 +59,16 @@ namespace OSC
     void
     Endpoint::add_method ( const char *path, const char *typespec, lo_method_handler handler, void *user_data )
     {
+	DMESSAGE( "Added OSC method %s (%s)", path, typespec );
+ 
         lo_server_add_method( _server, path, typespec, handler, user_data );
     }
 
     void
     Endpoint::del_method ( const char *path, const char *typespec )
     {
+	DMESSAGE( "Deleted OSC method %s (%s)", path, typespec );
+
         lo_server_del_method( _server, path, typespec );
     }