Loop preview song and video

Vocaluxe/Base/CMain.cs

@@ -769,6 +769,11 @@ namespace Vocaluxe.Base
         {
             return CVideo.Close(videoStream);
         }
+
+        public void SetLoop(int streamID, bool loop = true)
+        {
+            CVideo.SetLoop(streamID, loop);
+        }
     }
 
     class CBsound : ISound

VocaluxeLib/IBasic.cs

@@ -248,10 +248,11 @@ namespace VocaluxeLib
     public interface IVideo
     {
         int Load(string videoFileName);
-        bool Skip(int videoStream, float startPosition, float videoGap);
-        bool GetFrame(int videoStream, ref CTexture videoTexture, float time, out float videoTime);
-        bool IsFinished(int videoStream);
-        bool Close(int videoStream);
+        bool Skip(int streamID, float startPosition, float videoGap);
+        bool GetFrame(int streamID, ref CTexture videoTexture, float time, out float videoTime);
+        bool IsFinished(int streamID);
+        bool Close(int streamID);
+        void SetLoop(int streamID, bool loop = true);
     }
 
     public interface ISound

VocaluxeLib/Menu/SongMenu/CSongMenuFramework.cs

@@ -524,7 +524,7 @@ namespace VocaluxeLib.Menu.SongMenu
                     return;
 
                 //TODO: Using prescan here causes Vocaluxe to hang a bit on loading the song but we need the length below
-                int stream = CBase.Sound.Load(Path.Combine(song.Folder, song.MP3FileName), false, true);
+                int stream = CBase.Sound.Load(Path.Combine(song.Folder, song.MP3FileName), true, true);
 
                 float startposition = song.Preview.StartTime;
                 float length = CBase.Sound.GetLength(stream);
@@ -551,6 +551,7 @@ namespace VocaluxeLib.Menu.SongMenu
                     _PreviewVideoStream = CBase.Video.Load(Path.Combine(song.Folder, song.VideoFileName));
                     if (_PreviewVideoStream == -1)
                         return;
+                    CBase.Video.SetLoop(_PreviewVideoStream);
                     CBase.Video.Skip(_PreviewVideoStream, startposition, song.VideoGap);
                     _VideoFading = new CFading(0f, 1f, 3f);
                 }