Mixer: Re-transmit the minimum amount of OSC/MIDI feedback messages when strips are rearranged.

mixer/src/Chain.C

@@ -327,10 +327,17 @@ Chain::remove ( Controller_Module *m )
 }
 
 void
-Chain::send_feedback ( void )
+Chain::send_feedback ( bool force )
 {
     for ( int i = 0; i < modules(); i++ )
-        module(i)->send_feedback();
+        module(i)->send_feedback( force );
+}
+
+void
+Chain::schedule_feedback ( void )
+{
+    for ( int i = 0; i < modules(); i++ )
+        module(i)->schedule_feedback();
 }
 
 /* remove a module from the chain. this isn't guaranteed to succeed,

mixer/src/Chain.H

@@ -100,7 +100,8 @@ public:
     const char *name ( void ) const { return _name; }
     void name ( const char *name );
 
-    void send_feedback ( void );
+    void send_feedback ( bool force );
+    void schedule_feedback ( void );
     
     int get_module_instance_number ( Module *m );
 

mixer/src/Mixer.C

@@ -309,7 +309,7 @@ void Mixer::cb_menu(Fl_Widget* o) {
     }
     else if ( !strcmp( picked, "&Remote Control/Send State" ) )
     {
-        send_feedback();
+	send_feedback(true);
     }
     else if ( ! strcmp( picked, "&Remote Control/Clear All Mappings" ) )
     {
@@ -804,6 +804,7 @@ Mixer::insert ( Mixer_Strip *ms, Mixer_Strip *before )
 //    mixer_strips->remove( ms );
     mixer_strips->insert( *ms, before );
     renumber_strips();
+    schedule_feedback();
 //    scroll->redraw();
 }
 void
@@ -852,6 +853,7 @@ void Mixer::remove ( Mixer_Strip *ms )
         parent()->redraw();
 
     renumber_strips();
+    schedule_feedback();
 }
 
 
@@ -1078,21 +1080,24 @@ Mixer::send_feedback_cb ( void *v )
 {
     Mixer *m = (Mixer*)v;
     
-    m->send_feedback();
+    m->send_feedback(false);
 
     /* just to it once at the start... */
     Fl::repeat_timeout( FEEDBACK_UPDATE_FREQ, send_feedback_cb, v );
 }
 
-/** unconditionally send feedback to all mapped controls. This is
- * useful for updating the state of an external controller. */
 void
-Mixer::send_feedback ( void )
+Mixer::send_feedback ( bool force )
 {
     for ( int i = 0; i < mixer_strips->children(); i++ )
-    {
+        ((Mixer_Strip*)mixer_strips->child(i))->send_feedback(force);
-        ((Mixer_Strip*)mixer_strips->child(i))->send_feedback();
+}
-    }
+
+void
+Mixer::schedule_feedback ( void )
+{
+    for ( int i = 0; i < mixer_strips->children(); i++ )
+        ((Mixer_Strip*)mixer_strips->child(i))->schedule_feedback();
 }
 
 

mixer/src/Mixer.H

@@ -78,7 +78,8 @@ private:
     void load_translations ( void );
 
     static void send_feedback_cb ( void *v );
-    void send_feedback ( void );
+    void send_feedback ( bool force );
+    void schedule_feedback ( void );
     void redraw_windows ( void );
 
     static void handle_dirty ( int, void *v );

mixer/src/Mixer_Strip.C

@@ -1279,10 +1279,17 @@ Mixer_Strip::handle ( int m )
 }
 
 void
-Mixer_Strip::send_feedback ( void )
+Mixer_Strip::send_feedback ( bool force )
 {
     if ( _chain )
-        _chain->send_feedback();
+        _chain->send_feedback(force);
+}
+
+void
+Mixer_Strip::schedule_feedback ( void )
+{
+    if ( _chain )
+        _chain->schedule_feedback();
 }
 
 /* called to inform the strip its number has changed. */

mixer/src/Mixer_Strip.H

@@ -176,7 +176,8 @@ public:
 
     //  int group ( void ) const;
     void group ( Group * );
-    void send_feedback ( void );
+    void send_feedback ( bool force );
+    void schedule_feedback ( void );
     int number ( void ) const;
     void number ( int );
     static bool import_strip ( const char *filename );

mixer/src/Module.C

@@ -169,7 +169,6 @@ Module::init ( void )
     _chain = 0;
     _instances = 1;
     _bypass = 0;
-    _pending_feedback = false;
     _base_label = NULL;
     _number = -2;	/* magic number indicates old instance, before numbering */
     
@@ -371,7 +370,7 @@ Module::Port::osc_number_path ( void )
 void
 Module::Port::send_feedback ( bool force )
 {
-    if ( !_pending_feedback )
+    if ( !force && !_pending_feedback )
 	return;
     
     float f = control_value();
@@ -403,18 +402,17 @@ Module::Port::send_feedback ( bool force )
 		 
     if ( _scaled_signal )
     {
-
+	/* if ( fabsf( _feedback_value - f ) > (1.0f / 128.0f) ) */
-	if ( fabsf( _feedback_value - f ) > (1.0f / 128.0f) )
 	{
-/* only send feedback if value has changed significantly since the last time we sent it. */
+            /* only send feedback if value has changed significantly since the last time we sent it. */
 	    /* DMESSAGE( "signal value: %f, controL_value: %f", _scaled_signal->value(), f ); */
 	    /* send feedback for by_name signal */
-	    mixer->osc_endpoint->send_feedback( _scaled_signal->path(), f );
+	    mixer->osc_endpoint->send_feedback( _scaled_signal->path(), f, force );
 	
 	    /* send feedback for by number signal */
-	    mixer->osc_endpoint->send_feedback( osc_number_path(), f  );
+	    mixer->osc_endpoint->send_feedback( osc_number_path(), f, force );
 	
-	    _feedback_value = f;
+	    /* _feedback_value = f; */
 
 	    _pending_feedback = false;
 	    /* _scaled_signal->value( f ); */
@@ -423,10 +421,17 @@ Module::Port::send_feedback ( bool force )
 }
 
 void
-Module::send_feedback ( void )
+Module::schedule_feedback ( void )
 {
     for ( int i = 0; i < ncontrol_inputs(); i++ )
-        control_input[i].send_feedback(true);
+        control_input[i].schedule_feedback();
+}
+
+void
+Module::send_feedback ( bool force )
+{
+    for ( int i = 0; i < ncontrol_inputs(); i++ )
+        control_input[i].send_feedback(force);
 }
 
 void

mixer/src/Module.H

@@ -48,7 +48,6 @@ class Module : public Fl_Group, public Loggable {
     int _instances;
     Chain *_chain;
     bool _is_default;
-    bool _pending_feedback;
     char *_base_label;
     
     nframes_t _nframes;
@@ -165,7 +164,7 @@ public:
                 _by_number_path = 0;
                 _by_number_number = -1;
                 _jack_port = 0;
-		_feedback_value = -2;
+		/* _feedback_value = -2; */
 		_pending_feedback = false;
 		_feedback_milliseconds = 0;
             }
@@ -184,7 +183,7 @@ public:
                 _by_number_path = 0;
                 _by_number_number = -1;
                 _jack_port = p._jack_port;
-		_feedback_value = p._feedback_value;
+		/* _feedback_value = p._feedback_value; */
             }
 
         virtual ~Port ( )
@@ -382,7 +381,7 @@ public:
         OSC::Signal *_scaled_signal;
         OSC::Signal *_unscaled_signal;
 
-	float _feedback_value;
+	/* float _feedback_value; */
 	bool _pending_feedback;
 	unsigned long long _feedback_milliseconds;
 	
@@ -525,7 +524,8 @@ public:
 
     bool show_analysis_window ( void );
 
-    void send_feedback ( void );
+    void send_feedback ( bool force );
+    void schedule_feedback ( void );
     virtual bool initialize ( void ) { return true; }
 
     /* for the given number of inputs, return how many outputs this

nonlib/OSC/Endpoint.C

@@ -24,6 +24,7 @@
 #include <string.h>
 #include <assert.h>
 #include <unistd.h>
+#include <math.h>
 
 #include "Endpoint.H"
 
@@ -1206,7 +1207,7 @@ namespace OSC
 
     /** if there's a translation with a destination of 'path', then send feedback for it */
     void
-    Endpoint::send_feedback ( const char *path, float v )
+    Endpoint::send_feedback ( const char *path, float v, bool force )
     {
         for ( std::map<std::string,TranslationDestination>::iterator i = _translations.begin();
               i != _translations.end();
@@ -1215,7 +1216,7 @@ namespace OSC
             if ( path && ! strcmp( i->second.path.c_str(), path ) )
             {
                 /* found it */
-                if ( !i->second.suppress_feedback && i->second.current_value != v )
+                if ( !i->second.suppress_feedback && ( force || fabsf(i->second.current_value - v ) > 0.001f ))
                 {
                     const char *spath = i->first.c_str();
 

nonlib/OSC/Endpoint.H

@@ -307,7 +307,7 @@ namespace OSC
 
     public:
 
-        void send_feedback ( const char *path, float v );
+        void send_feedback ( const char *path, float v, bool force );
         void learn ( const char *path, void (*callback)(void*), void *userdata );
 
         lo_address address ( void )