Mixer: Add mute control to Gain module and Mute button to each mixer strip.

mixer/src/Controller_Module.C

@@ -395,9 +395,11 @@ Controller_Module::connect_to ( Port *p )
 
     if ( p->hints.type == Module::Port::Hints::BOOLEAN )
     {
-        Fl_Light_Button *o = new Fl_Light_Button( 0, 0, 40, 40, p->name() );
+        Fl_Button *o = new Fl_Button( 0, 0, 40, 40, p->name() );
         w = o;
+        o->type( FL_TOGGLE_BUTTON );
         o->value( p->control_value() );
+        o->selection_color( fl_color_average( FL_GRAY, FL_CYAN, 0.5 ) );
 
         _type = TOGGLE;
 
@@ -487,7 +489,14 @@ Controller_Module::connect_to ( Port *p )
     else
     {
         /* HACK: hide label */
+        if ( _type == TOGGLE )
+        {
+            w->align( FL_ALIGN_INSIDE );
+        }
+        else
+        {
             w->labeltype( FL_NO_LABEL );
+        }
         w->resize( x(), y(), this->w(), h() );
         add( w );
         resizable( w );

mixer/src/Gain_Module.C

@@ -30,6 +30,7 @@ Gain_Module::Gain_Module ( )
     add_port( Port( this, Port::INPUT, Port::AUDIO ) );
     add_port( Port( this, Port::OUTPUT, Port::AUDIO ) );
 
+    {
         Port p( this, Port::INPUT, Port::CONTROL, "Gain (dB)" );
         p.hints.type = Port::Hints::LOGARITHMIC;
         p.hints.ranged = true;
@@ -41,6 +42,21 @@ Gain_Module::Gain_Module ( )
         p.control_value( p.hints.default_value );
 
         add_port( p );
+    }
+
+    {
+        Port p( this, Port::INPUT, Port::CONTROL, "Mute" );
+        p.hints.type = Port::Hints::BOOLEAN;
+        p.hints.ranged = true;
+        p.hints.minimum = 0.0f;
+        p.hints.maximum = 1.0f;
+        p.hints.default_value = 0.0f;
+
+        p.connect_to( new float );
+        p.control_value( p.hints.default_value );
+
+        add_port( p );
+    }
 
     end();
 
@@ -52,6 +68,7 @@ Gain_Module::Gain_Module ( )
 Gain_Module::~Gain_Module ( )
 {
     delete (float*)control_input[0].buffer();
+    delete (float*)control_input[1].buffer();
     log_destroy();
 }
 
@@ -88,7 +105,7 @@ Gain_Module::handle_sample_rate_change ( nframes_t n )
 void
 Gain_Module::process ( nframes_t nframes )
 {
-    const float gt = DB_CO( control_input[0].control_value() );
+    const float gt = DB_CO( control_input[1].control_value() ? -90.f : control_input[0].control_value() );
 
     sample_t gainbuf[nframes];
     
@@ -96,7 +113,6 @@ Gain_Module::process ( nframes_t nframes )
 
     if ( use_gainbuf )
     {
-  
         for ( int i = audio_input.size(); i--; )
         {
             if ( audio_input[i].connected() && audio_output[i].connected() )

mixer/src/Mixer_Strip.C

@@ -126,6 +126,7 @@ Mixer_Strip::get ( Log_Entry &e ) const
     /* since the default controllers aren't logged, we have to store
      * this setting as part of the mixer strip */
     e.add( ":gain_mode", gain_controller->mode() );
+    e.add( ":mute_mode", mute_controller->mode() );
     if ( ! _group->single() )
         e.add( ":group", _group );
     else
@@ -164,6 +165,10 @@ Mixer_Strip::set ( Log_Entry &e )
         {
             _gain_controller_mode = atoi( v );
         }
+        else if ( ! strcmp( s, ":mute_mode" ) )
+        {
+            _mute_controller_mode = atoi( v );
+        }
         else if ( ! strcmp( s, ":group" ) )
         {
             int i;
@@ -236,6 +241,7 @@ Mixer_Strip::chain ( Chain *c )
     /* FIXME: don't hardcode this list of modules */
     spatialization_controller->chain( c );
     gain_controller->chain( c );
+    mute_controller->chain( c );
     jack_input_controller->chain( c );
     meter_indicator->chain( c );
 }
@@ -422,6 +428,8 @@ Mixer_Strip::handle_module_added ( Module *m )
         {
             gain_controller->connect_to( &m->control_input[0] );
             gain_controller->mode( (Controller_Module::Mode)_gain_controller_mode );
+            mute_controller->connect_to( &m->control_input[1] );
+            mute_controller->mode( (Controller_Module::Mode)_mute_controller_mode );
         }
         else if ( 0 == strcmp( m->name(), "Meter" ) )
         {
@@ -459,6 +467,8 @@ Mixer_Strip::update ( void )
 
     meter_indicator->update();
     gain_controller->update();
+    mute_controller->update();
+
     if ( _chain )
     {
         _chain->update();
@@ -490,6 +500,7 @@ Mixer_Strip::init ( )
 {
     selection_color( FL_RED );
 
+    _mute_controller_mode = 0;
     _gain_controller_mode = 0;
     _chain = 0;
     _group = 0;
@@ -576,6 +587,10 @@ Mixer_Strip::init ( )
                 o->callback( ((Fl_Callback*)cb_handle), this );
                 o->when(FL_WHEN_RELEASE);
             }
+            { Controller_Module *o = mute_controller = new Controller_Module( true );
+                o->pad( false );
+                o->size( 45, 22 );
+            }
             o->end();
         }
 

mixer/src/Mixer_Strip.H

@@ -91,6 +91,7 @@ private:
      chain has been added and the controller connected to a default
      module */
     int _gain_controller_mode;
+    int _mute_controller_mode;
 
     Fl_Flip_Button *width_button;
     Fl_Flip_Button *tab_button;
@@ -109,6 +110,7 @@ private:
 
     Fl_Box *spatialization_label;
     Controller_Module *gain_controller;
+    Controller_Module *mute_controller;
     Controller_Module *jack_input_controller;
     Controller_Module *spatialization_controller;
     Meter_Indicator_Module *meter_indicator;