From 6a6e8f2d75fdae180a470ae0d46210985e5c29a5 Mon Sep 17 00:00:00 2001
From: henkdegroot <13550012+henkdegroot@users.noreply.github.com>
Date: Sun, 13 Feb 2022 22:00:41 +0100
Subject: [PATCH] Add MIDI control for inputfader using i

---
 src/client.cpp    | 14 ++++++++++++++
 src/client.h      |  2 ++
 src/clientdlg.cpp |  2 ++
 src/clientdlg.h   |  2 ++
 src/soundbase.cpp |  9 +++++++++
 src/soundbase.h   |  2 ++
 6 files changed, 31 insertions(+)

diff --git a/src/client.cpp b/src/client.cpp
index 203b1a0f36..32351a119c 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -166,6 +166,8 @@ CClient::CClient ( const quint16  iPortNumber,
 
     QObject::connect ( &Sound, &CSound::ControllerInMuteMyself, this, &CClient::OnControllerInMuteMyself );
 
+    QObject::connect ( &Sound, &CSound::ControllerInInputPanValue, this, &CClient::OnControllerInInputPanValue );
+
     QObject::connect ( &Socket, &CHighPrioSocket::InvalidPacketReceived, this, &CClient::OnInvalidPacketReceived );
 
     QObject::connect ( pSignalHandler, &CSignalHandler::HandledSignal, this, &CClient::OnHandledSignal );
@@ -717,6 +719,18 @@ void CClient::OnControllerInMuteMyself ( bool bMute )
     emit ControllerInMuteMyself ( bMute );
 }
 
+void CClient::OnControllerInInputPanValue ( int iValue )
+{
+    // in case of a headless client the panners cannot be moved so we need
+    // to send the controller information directly to the server
+#ifdef HEADLESS
+    // FIXME: no idea what to do here.
+    //SetSliderAudioPan ( static_cast<float> ( iValue ) / AUD_MIX_PAN_MAX );
+#endif
+
+    emit ControllerInInputPanValue ( iValue );
+}
+
 void CClient::OnClientIDReceived ( int iChanID )
 {
     // for headless mode we support to mute our own signal in the personal mix
diff --git a/src/client.h b/src/client.h
index e7e44da2a9..2fdb9aa125 100644
--- a/src/client.h
+++ b/src/client.h
@@ -394,6 +394,7 @@ protected slots:
     void OnControllerInFaderIsSolo ( int iChannelIdx, bool bIsSolo );
     void OnControllerInFaderIsMute ( int iChannelIdx, bool bIsMute );
     void OnControllerInMuteMyself ( bool bMute );
+    void OnControllerInInputPanValue ( int iValue );
     void OnClientIDReceived ( int iChanID );
 
 signals:
@@ -425,4 +426,5 @@ protected slots:
     void ControllerInFaderIsSolo ( int iChannelIdx, bool bIsSolo );
     void ControllerInFaderIsMute ( int iChannelIdx, bool bIsMute );
     void ControllerInMuteMyself ( bool bMute );
+    void ControllerInInputPanValue ( int iValue );
 };
diff --git a/src/clientdlg.cpp b/src/clientdlg.cpp
index 66b343a2d8..30f2a8653b 100644
--- a/src/clientdlg.cpp
+++ b/src/clientdlg.cpp
@@ -523,6 +523,8 @@ CClientDlg::CClientDlg ( CClient*         pNCliP,
 
     QObject::connect ( pClient, &CClient::ControllerInMuteMyself, this, &CClientDlg::OnControllerInMuteMyself );
 
+    QObject::connect ( pClient, &CClient::ControllerInInputPanValue, this, &CClientDlg::OnControllerInInputPanValue );
+
     QObject::connect ( pClient, &CClient::CLChannelLevelListReceived, this, &CClientDlg::OnCLChannelLevelListReceived );
 
     QObject::connect ( pClient, &CClient::VersionAndOSReceived, this, &CClientDlg::OnVersionAndOSReceived );
diff --git a/src/clientdlg.h b/src/clientdlg.h
index 2f177f1175..85278b4a2d 100644
--- a/src/clientdlg.h
+++ b/src/clientdlg.h
@@ -151,6 +151,8 @@ public slots:
 
     void OnControllerInMuteMyself ( const bool bMute ) { chbLocalMute->setChecked ( bMute ); }
 
+    void OnControllerInInputPanValue ( const int iValue ) { ClientSettingsDlg.OnAudioPanValueChanged ( iValue ); }
+
     void OnVersionAndOSReceived ( COSUtil::EOpSystemType, QString strVersion );
 
     void OnCLVersionAndOSReceived ( CHostAddress, COSUtil::EOpSystemType, QString strVersion );
diff --git a/src/soundbase.cpp b/src/soundbase.cpp
index f91375183f..fc6a55b0f3 100644
--- a/src/soundbase.cpp
+++ b/src/soundbase.cpp
@@ -33,6 +33,7 @@ char const sMidiCtlChar[] = {
     /* [EMidiCtlType::Solo]        = */ 's',
     /* [EMidiCtlType::Mute]        = */ 'm',
     /* [EMidiCtlType::MuteMyself]  = */ 'o',
+    /* [EMidiCtlType::InputPan]    = */ 'i',
     /* [EMidiCtlType::None]        = */ '\0' };
 
 /* Implementation *************************************************************/
@@ -399,6 +400,14 @@ void CSoundBase::ParseMIDIMessage ( const CVector<uint8_t>& vMIDIPaketBytes )
                             emit ControllerInMuteMyself ( iValue >= 0x40 );
                         }
                         break;
+                        case InputPan:
+                        {
+                            // Pan levels need to be symmetric between 1 and 127
+                            const int iInputPanValue = static_cast<int> ( static_cast<double> ( qMax ( iValue, 1 ) - 1 ) / 126 * AUD_MIX_PAN_MAX );
+
+                            emit ControllerInInputPanValue ( iInputPanValue );
+                        }
+                        break;
                         default:
                             break;
                         }
diff --git a/src/soundbase.h b/src/soundbase.h
index 2249904aec..4ddb0329ce 100644
--- a/src/soundbase.h
+++ b/src/soundbase.h
@@ -49,6 +49,7 @@ enum EMidiCtlType
     Solo,
     Mute,
     MuteMyself,
+    InputPan,
     None
 };
 
@@ -173,4 +174,5 @@ class CSoundBase : public QThread
     void ControllerInFaderIsSolo ( int iChannelIdx, bool bIsSolo );
     void ControllerInFaderIsMute ( int iChannelIdx, bool bIsMute );
     void ControllerInMuteMyself ( bool bMute );
+    void ControllerInInputPanValue ( int iValue );
 };