Add ctrlmidich option for "own channel" regardless of number

Author: AndersGoran

src/audiomixerboard.cpp

@@ -1343,6 +1343,16 @@ void CAudioMixerBoard::SetFaderLevel ( const int iChannelIdx, const int iValue )
             vecpChanFader[static_cast<size_t> ( iChannelIdx )]->SetFaderLevel ( iValue );
         }
     }
+    // Proposed change: if iChannelIdx is -1 and our own channel ID is a valid index
+    // then we adjust our own fader level:
+    if((iChannelIdx == -1) && iMyChannelID != INVALID_INDEX)
+    {
+        if ( vecpChanFader[static_cast<size_t> ( iMyChannelID )]->IsVisible() )
+        {
+            //printf("debug: set our own fader(%d) level to %d\n", iMyChannelID, iValue);
+            vecpChanFader[static_cast<size_t> ( iMyChannelID )]->SetFaderLevel ( iValue );
+        }
+    }
 }
 
 void CAudioMixerBoard::SetPanValue ( const int iChannelIdx, const int iValue )

src/sound/soundbase.cpp

@@ -33,6 +33,7 @@ char const sMidiCtlChar[] = {
     /* [EMidiCtlType::Solo]        = */ 's',
     /* [EMidiCtlType::Mute]        = */ 'm',
     /* [EMidiCtlType::MuteMyself]  = */ 'o',
+    /* [EMidiCtlType::OurFader]    = */ 'z', // Proposed addition: a new enum value for "our fader"
     /* [EMidiCtlType::None]        = */ '\0' };
 
 /* Implementation *************************************************************/
@@ -372,6 +373,13 @@ void CSoundBase::ParseMIDIMessage ( const CVector<uint8_t>& vMIDIPaketBytes )
                             emit ControllerInFaderLevel ( cCtrl.iChannel, iFaderLevel );
                         }
                         break;
+                        case OurFader:
+                        {
+                            // special message about our own fader - emit a fader level whatever-it-is-called with channel id -1
+                            const int iFaderLevel = static_cast<int> ( static_cast<double> ( iValue ) / 127*AUD_MIX_FADER_MAX );
+                            emit ControllerInFaderLevel ( -1, iFaderLevel);
+                        }
+                        break;
                         case Pan:
                         {
                             // Pan levels need to be symmetric between 1 and 127

src/sound/soundbase.h

@@ -49,6 +49,7 @@ enum EMidiCtlType
     Solo,
     Mute,
     MuteMyself,
+    OurFader, // Proposed addition: a MidiCtrlType for our own fader level
     None
 };