added FadeAndPause.

you can test in in screen test (T in main screen), just add a "Test.mp3" to Output folder.

Vocaluxe/Base/CSound.cs

@@ -101,6 +101,11 @@ namespace Vocaluxe.Base
             _Playback.Fade(Stream, TargetVolume, Seconds);
         }
 
+        public static void FadeAndPause(int Stream, float TargetVolume, float Seconds)
+        {
+            _Playback.FadeAndPause(Stream, TargetVolume, Seconds);
+        }
+
         public static void FadeAndStop(int Stream, float TargetVolume, float Seconds)
         {
             _Playback.FadeAndStop(Stream, TargetVolume, Seconds);

Vocaluxe/Lib/Sound/CBassPlay.cs

@@ -17,6 +17,7 @@ namespace Vocaluxe.Lib.Sound
         private bool _Initialized = false;
         private List<AudioStreams> _Streams;
         private SYNCPROC _SyncSlideAndStop;
+        private SYNCPROC _SyncSlideAndPause;
         private Object MutexAudioStreams = new Object();
 
 
@@ -48,6 +49,7 @@ namespace Vocaluxe.Lib.Sound
                 ok = Bass.BASS_Init(-1, 44100, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero);
                 _Streams = new List<AudioStreams>();
                 _SyncSlideAndStop = new SYNCPROC(EndSync);
+                _SyncSlideAndPause = new SYNCPROC(PauseSync);
             }
             catch (Exception)
             {
@@ -219,6 +221,22 @@ namespace Vocaluxe.Lib.Sound
             }
         }
 
+        public void FadeAndPause(int Stream, float TargetVolume, float Seconds)
+        {
+            if (_Initialized)
+            {
+                lock (MutexAudioStreams)
+                {
+                    if (AlreadyAdded(Stream))
+                    {
+                        Bass.BASS_ChannelSlideAttribute(Stream, BASSAttribute.BASS_ATTRIB_VOL, TargetVolume / 100f, (int)Math.Round(Seconds * 1000f));
+                        Bass.BASS_ChannelSetSync(Stream, BASSSync.BASS_SYNC_SLIDE, 0L, _SyncSlideAndPause, IntPtr.Zero);
+                    }
+                }
+
+            }
+        }
+
         public void FadeAndStop(int Stream, float TargetVolume, float Seconds)
         {
             if (_Initialized)
@@ -372,6 +390,17 @@ namespace Vocaluxe.Lib.Sound
             return -1;
         }
 
+        private void PauseSync(int handle, int Stream, int data, IntPtr user)
+        {
+            if (_Initialized)
+            {
+                if (AlreadyAdded(Stream))
+                {
+                    Pause(Stream);
+                }
+            }
+        }
+
         private void EndSync(int handle, int Stream, int data, IntPtr user)
         {
             if (_Initialized)

Vocaluxe/Lib/Sound/CNAudioPlay.cs

@@ -38,6 +38,7 @@ namespace Vocaluxe.Lib.Sound
         private float _targetVolume;
         private float _startVolume;
         private bool _closeStreamAfterFade = false;
+        private bool _pauseStreamAfterFade = false;
         private bool _fading = false;
         
         public int Handle;
@@ -80,6 +81,7 @@ namespace Vocaluxe.Lib.Sound
                     _CurrentTime = Position;
                     _Timer.Start();
                 }
+                _pauseStreamAfterFade = false;
             }
         }
 
@@ -236,6 +238,9 @@ namespace Vocaluxe.Lib.Sound
 
                     if (_closeStreamAfterFade)
                         return false;
+
+                    if (_pauseStreamAfterFade)
+                        Pause();
                 }
                 return true;
             }
@@ -256,6 +261,15 @@ namespace Vocaluxe.Lib.Sound
             _fadeTimer.Start();
         }
 
+        public void FadeAndPause(float TargetVolume, float FadeTime)
+        {
+            if (!_loaded || _volumeStream == null)
+                return;
+
+            _pauseStreamAfterFade = true;
+            Fade(TargetVolume, FadeTime);
+        }
+
         public void FadeAndStop(float TargetVolume, float FadeTime)
         {
             if (!_loaded || _volumeStream == null)
@@ -526,6 +540,22 @@ namespace Vocaluxe.Lib.Sound
             }
         }
 
+        public void FadeAndPause(int Stream, float TargetVolume, float Seconds)
+        {
+            if (_Initialized)
+            {
+                lock (MutexAudioStreams)
+                {
+                    if (AlreadyAdded(Stream))
+                    {
+                        int index = GetStreamIndex(Stream);
+                        _Streams[index].FadeAndPause(TargetVolume, Seconds);
+                    }
+                }
+
+            }
+        }
+
         public void FadeAndStop(int Stream, float TargetVolume, float Seconds)
         {
             if (_Initialized)

Vocaluxe/Lib/Sound/COpenALPlay.cs

@@ -188,6 +188,21 @@ namespace Vocaluxe.Lib.Sound
             }
         }
 
+        public void FadeAndPause(int Stream, float TargetVolume, float Seconds)
+        {
+            if (_Initialized)
+            {
+                lock (MutexDecoder)
+                {
+                    if (AlreadyAdded(Stream))
+                    {
+                        _Decoder[GetStreamIndex(Stream)].FadeAndPause(TargetVolume, Seconds);
+                    }
+                }
+
+            }
+        }
+
         public void FadeAndStop(int Stream, float TargetVolume, float Seconds)
         {
             if (_Initialized)
@@ -390,6 +405,7 @@ namespace Vocaluxe.Lib.Sound
         private float _targetVolume = 1f;
         private float _startVolume = 1f;
         private bool _closeStreamAfterFade = false;
+        private bool _pauseStreamAfterFade = false;
         private bool _fading = false;
 
 
@@ -528,6 +544,12 @@ namespace Vocaluxe.Lib.Sound
             _fadeTimer.Start();
         }
 
+        public void FadeAndPause(float TargetVolume, float FadeTime)
+        {
+            _pauseStreamAfterFade = true;
+            Fade(TargetVolume, FadeTime);
+        }
+
         public void FadeAndStop(float TargetVolume, float FadeTime, CLOSEPROC close_proc, int StreamID)
         {
             _Closeproc = close_proc;
@@ -539,6 +561,7 @@ namespace Vocaluxe.Lib.Sound
         public void Play()
         {
             Paused = false;
+            _pauseStreamAfterFade = false;
             AL.SourcePlay(_source);
         }
 
@@ -756,6 +779,9 @@ namespace Vocaluxe.Lib.Sound
 
                     if (_closeStreamAfterFade)
                         _terminated = true;
+
+                    if (_pauseStreamAfterFade)
+                        Paused = true;
                 }
             }
         }

Vocaluxe/Lib/Sound/CPortAudioPlay.cs

@@ -172,6 +172,21 @@ namespace Vocaluxe.Lib.Sound
             }
         }
 
+        public void FadeAndPause(int Stream, float TargetVolume, float Seconds)
+        {
+            if (_Initialized)
+            {
+                lock (MutexDecoder)
+                {
+                    if (AlreadyAdded(Stream))
+                    {
+                        _Decoder[GetStreamIndex(Stream)].FadeAndPause(TargetVolume, Seconds);
+                    }
+                }
+
+            }
+        }
+
         public void FadeAndStop(int Stream, float TargetVolume, float Seconds)
         {
             if (_Initialized)
@@ -366,6 +381,7 @@ namespace Vocaluxe.Lib.Sound
         private float _targetVolume = 1f;
         private float _startVolume = 1f;
         private bool _closeStreamAfterFade = false;
+        private bool _pauseStreamAfterFade = false;
         private bool _fading = false;
 
 
@@ -507,6 +523,13 @@ namespace Vocaluxe.Lib.Sound
             _fadeTimer.Start();
         }
 
+        public void FadeAndPause(float TargetVolume, float FadeTime)
+        {
+            _pauseStreamAfterFade = true;
+
+            Fade(TargetVolume, FadeTime);
+        }
+
         public void FadeAndStop(float TargetVolume, float FadeTime, CLOSEPROC close_proc, int StreamID)
         {
             _Closeproc = close_proc;
@@ -519,6 +542,7 @@ namespace Vocaluxe.Lib.Sound
         public void Play()
         {
             Paused = false;
+            _pauseStreamAfterFade = false;
             errorCheck("StartStream", PortAudio.Pa_StartStream(_Ptr));
         }
 
@@ -889,6 +913,9 @@ namespace Vocaluxe.Lib.Sound
 
                     if (_closeStreamAfterFade)
                         _terminated = true;
+
+                    if (_pauseStreamAfterFade)
+                        Paused = true;
                 }
             }
         }

Vocaluxe/Lib/Sound/IPlayback.cs

@@ -35,6 +35,7 @@ namespace Vocaluxe.Lib.Sound
         void Pause(int Stream);
         void Stop(int Stream);
         void Fade(int Stream, float TargetVolume, float Seconds);
+        void FadeAndPause(int Stream, float TargetVolume, float Seconds);
         void FadeAndStop(int Stream, float TargetVolume, float Seconds);
         void SetStreamVolume(int Stream, float Volume);        
 

Vocaluxe/Screens/CScreenMain.cs

@@ -65,6 +65,10 @@ namespace Vocaluxe.Screens
                         CGraphics.FadeTo(EScreens.ScreenSong);
                         break;
 
+                    case Keys.T:
+                        CGraphics.FadeTo(EScreens.ScreenTest);
+                        break;
+
                     case Keys.Enter:
                         if (Buttons[htButtons(ButtonSing)].Selected)
                             CGraphics.FadeTo(EScreens.ScreenSong);

Vocaluxe/Screens/CScreenTest.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Text;
 using System.Windows.Forms;
 
@@ -14,6 +15,8 @@ namespace Vocaluxe.Screens
         // Version number for theme files. Increment it, if you've changed something on the theme files!
         const int ScreenVersion = 1;
 
+        private int _TestMusic = -1;
+
         public CScreenTest()
         {
             Init();
@@ -45,6 +48,18 @@ namespace Vocaluxe.Screens
                     case Keys.Enter:
                         CGraphics.FadeTo(EScreens.ScreenMain);
                         break;
+                    
+                    case Keys.F:
+                        FadeAndPause();
+                        break;
+
+                    case Keys.S:
+                        PlayFile();
+                        break;
+
+                    case Keys.P:
+                        PauseFile();
+                        break;
                 }
             }
 
@@ -86,5 +101,24 @@ namespace Vocaluxe.Screens
         {
             return base.Draw();
         }
+
+        private void PlayFile()
+        {
+            if (_TestMusic == -1)
+                _TestMusic = CSound.Load(Path.Combine(Environment.CurrentDirectory, "Test.mp3"));
+
+            CSound.Play(_TestMusic);
+            CSound.Fade(_TestMusic, 100f, 2f);
+        }
+
+        private void PauseFile()
+        {
+            CSound.Pause(_TestMusic);
+        }
+
+        private void FadeAndPause()
+        {
+            CSound.FadeAndPause(_TestMusic, 0f, 2f);
+        }
     }
 }