Use I_MY_CHANNEL for "my channel" special value

Author: pljones

src/audiomixerboard.cpp

@@ -1343,22 +1343,16 @@ void CAudioMixerBoard::ApplyNewConClientList ( CVector<CChannelInfo>& vecChanInf
 
 void CAudioMixerBoard::SetFaderLevel ( const int iChannelIdx, const int iValue )
 {
+    // If iChannelIdx is I_MY_CHANNEL and our own channel ID is a valid index
+    // then we adjust our own fader level
+    const int iTheChannelIdx = ( iChannelIdx == I_MY_CHANNEL ) ? iMyChannelID : iChannelIdx;
+
     // only apply new fader level if channel index is valid and the fader is visible
-    if ( ( iChannelIdx >= 0 ) && ( iChannelIdx < MAX_NUM_CHANNELS ) )
-    {
-        if ( vecpChanFader[static_cast<size_t> ( iChannelIdx )]->IsVisible() )
-        {
-            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 ( ( iTheChannelIdx >= 0 ) && ( iTheChannelIdx < MAX_NUM_CHANNELS ) )
     {
-        if ( vecpChanFader[static_cast<size_t> ( iMyChannelID )]->IsVisible() )
+        if ( vecpChanFader[static_cast<size_t> ( iTheChannelIdx )]->IsVisible() )
         {
-            //printf("debug: set our own fader(%d) level to %d\n", iMyChannelID, iValue);
-            vecpChanFader[static_cast<size_t> ( iMyChannelID )]->SetFaderLevel ( iValue );
+            vecpChanFader[static_cast<size_t> ( iTheChannelIdx )]->SetFaderLevel ( iValue );
         }
     }
 }

src/sound/soundbase.cpp

@@ -377,7 +377,7 @@ void CSoundBase::ParseMIDIMessage ( const CVector<uint8_t>& vMIDIPaketBytes )
                         {
                             // 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);
+                            emit ControllerInFaderLevel ( I_MY_CHANNEL, iFaderLevel);
                         }
                         break;
                         case Pan:

src/sound/soundbase.h

@@ -32,6 +32,7 @@
 #endif
 #include "../global.h"
 #include "../util.h"
+#define I_MY_CHANNEL -1
 
 // TODO better solution with enum definition
 // problem: in signals it seems not to work to use CSoundBase::ESndCrdResetType