Merge branch 'release-0.4.1' of github.com:Vocaluxe/Vocaluxe into release-0.4.1

Vocaluxe/Base/CBackgroundMusic.cs

@@ -51,6 +51,7 @@ namespace Vocaluxe.Base
         private static Task _PreviewStartHelperTask;
         private static int _PreviewStartWaitCounter;
         private const int _PreviewStartWaitMaxTries = 10;
+        private static readonly object _PreviewStartHelperTaskLock = new Object();
 
         public static bool VideoEnabled
         {
@@ -256,10 +257,17 @@ namespace Vocaluxe.Base
         {
             if (_PreviewStartHelperTask != null && ( _PreviewPlayer.Length > 0 || _PreviewStartWaitCounter++ >= _PreviewStartWaitMaxTries))
             {
-                _PreviewStartHelperTask.RunSynchronously(TaskScheduler.FromCurrentSynchronizationContext());
+                lock (_PreviewStartHelperTaskLock)
-                _PreviewStartHelperTask.Dispose();
+                {
-                _PreviewStartHelperTask = null;
+                    // Recheck the condition as it cloud have change before we got the lock
-                _PreviewStartWaitCounter = 0;
+                    if (_PreviewStartHelperTask != null && (_PreviewPlayer.Length > 0 || _PreviewStartWaitCounter++ >= _PreviewStartWaitMaxTries))
+                    {
+                        _PreviewStartHelperTask.RunSynchronously(TaskScheduler.FromCurrentSynchronizationContext());
+                        _PreviewStartHelperTask.Dispose();
+                        _PreviewStartHelperTask = null;
+                        _PreviewStartWaitCounter = 0;
+                    }
+                }
             }
 
             if (!IsPlaying)
@@ -317,28 +325,46 @@ namespace Vocaluxe.Base
             //Change song position only if song is changed or near to end
             if (songChanged || _CurPlayer.Position + 30 < _CurPlayer.Length)
             {
-                _PreviewStartHelperTask = new Task(() =>
+                lock (_PreviewStartHelperTaskLock)
                 {
-                    float length = _PreviewPlayer.Length;
+                    // Check if the old _PreviewStartHelperTask needs to disposed
-                    if (length < 1)
+                    if (_PreviewStartHelperTask != null)
-                        length = 30; // If length is unknow or invalid assume a length of 30s
+                    {
+                        _PreviewStartHelperTask.Dispose();
+                    }
+                    _PreviewStartHelperTask = new Task(() =>
+                    {
+                        float length = _PreviewPlayer.Length;
+                        if (length < 1)
+                            length = 30; // If length is unknow or invalid assume a length of 30s
 
-                    if (start < 0)
+                        if (start < 0)
-                        start = (song.Preview.Source == EDataSource.None) ? length / 4f : song.Preview.StartTime;
+                            start = (song.Preview.Source == EDataSource.None) ? length / 4f : song.Preview.StartTime;
-                    if (start > length - 5f)
+                        if (start > length - 5f)
-                        start = Math.Max(0f, Math.Min(length / 4f, length - 5f));
+                            start = Math.Max(0f, Math.Min(length / 4f, length - 5f));
-                    if (start >= 0.5f)
+                        if (start >= 0.5f)
-                        start -= 0.5f;
+                            start -= 0.5f;
 
-                    _PreviewPlayer.Position = start;
+                        _PreviewPlayer.Position = start;
-                    Play();
+                        Play();
-                });
+                    });
+                }
                 _CurPlayer = _PreviewPlayer;
             }
             else
             {
-                _PreviewStartHelperTask.Dispose();
+                if (_PreviewStartHelperTask != null)
-                _PreviewStartHelperTask = null;
+                {
+                    lock (_PreviewStartHelperTaskLock)
+                    {
+                        // Recheck the condition as it cloud have change before we got the lock
+                        if (_PreviewStartHelperTask != null)
+                        {
+                            _PreviewStartHelperTask.Dispose();
+                            _PreviewStartHelperTask = null;
+                        }
+                    }
+                }
                 _PreviewPlayer.Position = _CurPlayer.Position;
                 _CurPlayer = _PreviewPlayer;
                 Play();

Vocaluxe/Base/CMain.cs

@@ -822,7 +822,14 @@ namespace Vocaluxe.Base
 
         public void Close(ref CVideoStream stream)
         {
-            CVideo.Close(ref stream);
+            try
+            {
+                CVideo.Close(ref stream);
+            }
+            catch (NotSupportedException e)
+            {
+                CLog.LogError($"Clould not close the background video: {e.Message}");
+            }
         }
 
         public void SetLoop(CVideoStream stream, bool loop = true)
@@ -832,12 +839,26 @@ namespace Vocaluxe.Base
 
         public void Pause(CVideoStream stream)
         {
-            CVideo.Pause(stream);
+            try
+            {
+                CVideo.Pause(stream);
+            }
+            catch (NotSupportedException e)
+            {
+                CLog.LogError($"Clould not pause the background video: {e.Message}");
+            }
         }
 
         public void Resume(CVideoStream stream)
         {
-            CVideo.Resume(stream);
+            try
+            {
+                CVideo.Resume(stream);
+            }
+            catch (NotSupportedException e)
+            {
+                CLog.LogError($"Clould not resume the background video: {e.Message}");
+            }
         }
     }
 

Vocaluxe/Base/CVideo.cs

@@ -15,6 +15,7 @@
 // along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
 #endregion
 
+using System;
 using Vocaluxe.Lib.Video;
 using VocaluxeLib;
 
@@ -61,6 +62,10 @@ namespace Vocaluxe.Base
 
         public static CVideoStream Load(string videoFileName)
         {
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
             return _VideoDecoder.Load(videoFileName);
         }
 
@@ -73,41 +78,109 @@ namespace Vocaluxe.Base
 
         public static float GetLength(CVideoStream stream)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             return _VideoDecoder.GetLength(stream);
         }
 
         public static bool GetFrame(CVideoStream stream, float time)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             return _VideoDecoder.GetFrame(stream, time);
         }
 
         public static bool Skip(CVideoStream stream, float start, float gap)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             return _VideoDecoder.Skip(stream, start, gap);
         }
 
         public static void SetLoop(CVideoStream stream, bool loop)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             _VideoDecoder.SetLoop(stream, loop);
         }
 
         public static void Pause(CVideoStream stream)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             _VideoDecoder.Pause(stream);
         }
 
         public static void Resume(CVideoStream stream)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             _VideoDecoder.Resume(stream);
         }
 
         public static bool Finished(CVideoStream stream)
         {
+            if (stream == null)
+            {
+                throw new ArgumentException("stream is null");
+            }
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             return _VideoDecoder.Finished(stream);
         }
 
         public static void Update()
         {
+            if (_VideoDecoder == null)
+            {
+                throw new NotSupportedException("_VideoDecoder is null (already closed?)");
+            }
+
             _VideoDecoder.Update();
         }
         #endregion Interface

Vocaluxe/Base/CVideoPlayer.cs

@@ -53,6 +53,10 @@ namespace Vocaluxe.Base
         {
             _VideoTimer.Reset();
             _Finished = false;
+            if (_VideoStream == null)
+            {
+                return;
+            }
             //CVideo.VdSkip(_VideoStream, 0f, 0f);
             _VideoTimer.Start();
             CVideo.Resume(_VideoStream);
@@ -60,12 +64,19 @@ namespace Vocaluxe.Base
 
         public void Pause()
         {
-            CVideo.Pause(_VideoStream);
+            if (_VideoStream != null)
+            {
+                CVideo.Pause(_VideoStream);
+            }
             _VideoTimer.Stop();
         }
 
         public void Resume()
         {
+            if (_VideoStream == null)
+            {
+                return;
+            }
             CVideo.Resume(_VideoStream);
             _VideoTimer.Start();
         }
@@ -92,7 +103,7 @@ namespace Vocaluxe.Base
 
         public void PreLoad()
         {
-            if (!_Loaded)
+            if (!_Loaded || _VideoStream == null)
             {
                 return;
             }
@@ -111,7 +122,10 @@ namespace Vocaluxe.Base
 
         public void Close()
         {
-            CVideo.Close(ref _VideoStream);
+            if (_VideoStream != null)
+            {
+                CVideo.Close(ref _VideoStream);
+            }
             _Loaded = false;
             _Finished = false;
             _VideoTimer.Reset();

Vocaluxe/Lib/Sound/Record/PortAudio/CPortAudioRecord.cs

@@ -16,6 +16,8 @@
 #endregion
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Threading;
 using Vocaluxe.Base;
@@ -142,9 +144,13 @@ namespace Vocaluxe.Lib.Sound.Record.PortAudio
 
             foreach (IntPtr handle in _RecHandle)
             {
-                PortAudioSharp.PortAudio.Pa_StopStream(handle);
+                if (handle != IntPtr.Zero)
-                PortAudioSharp.PortAudio.Pa_CloseStream(handle);
+                {
+                    PortAudioSharp.PortAudio.Pa_StopStream(handle);
+                    PortAudioSharp.PortAudio.Pa_CloseStream(handle);
+                }
             }
+            _RecHandle = new IntPtr[_Devices.Count];
             return true;
         }
 
@@ -153,13 +159,17 @@ namespace Vocaluxe.Lib.Sound.Record.PortAudio
         /// </summary>
         public override void Close()
         {
-            if (_RecHandle != null)
+            if (_RecHandle != null && _RecHandle.Length > 0)
             {
                 foreach (IntPtr handle in _RecHandle)
                 {
                     if (handle != IntPtr.Zero)
+                    {
                         _PaHandle.CloseStream(handle);
+                    }
                 }
+
+                _RecHandle = new IntPtr[_Devices.Count];
             }
             if (_PaHandle != null)
             {

Vocaluxe/Lib/Video/Acinerella/CDecoderThread.cs

@@ -429,7 +429,18 @@ namespace Vocaluxe.Lib.Video.Acinerella
         private bool _CopyDecodedFrameToBuffer()
         {
             bool result;
-            var decoder = (SACDecoder)Marshal.PtrToStructure(_Videodecoder, typeof(SACDecoder));
+            SACDecoder decoder;
+
+            try
+            {
+                decoder = (SACDecoder)Marshal.PtrToStructure(_Videodecoder, typeof(SACDecoder));
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Couldn't copy the frame to the managed environment.", false, false, e);
+                return false;
+            }
+            
             if (decoder.Buffer != IntPtr.Zero)
             {
                 _LastDecodedTime = (float)decoder.Timecode;

Vocaluxe/Program.cs

@@ -285,23 +285,120 @@ namespace Vocaluxe
             try
             {
                 CController.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CController)", false, false, e);
+            }
+
+            try
+            {
                 CVocaluxeServer.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CVocaluxeServer)", false, false, e);
+            }
+
+            try
+            {
                 CGraphics.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CGraphics)", false, false, e);
+            }
+
+            try
+            {
                 CThemes.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CThemes)", false, false, e);
+            }
+
+            try
+            {
                 CCover.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CCover)", false, false, e);
+            }
+
+            try
+            {
                 CFonts.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CFonts)", false, false, e);
+            }
+
+            try
+            {
                 CBackgroundMusic.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CBackgroundMusic)", false, false, e);
+            }
+
+            try
+            {
                 CWebcam.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CWebcam)", false, false, e);
+            }
+
+            try
+            {
                 CDataBase.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CDataBase)", false, false, e);
+            }
+
+            try
+            {
                 CVideo.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CVideo)", false, false, e);
+            }
+
+            try
+            {
                 CRecord.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CRecord)", false, false, e);
+            }
+
+            try
+            {
                 CSound.Close();
+            }
+            catch (Exception e)
+            {
+                CLog.LogError("Error during shutdown! (CSound)", false, false, e);
+            }
+
+            try
+            {
                 CDraw.Close();
             }
             catch (Exception e)
             {
-                CLog.LogError("Error during shutdown!", false, false, e);
+                CLog.LogError("Error during shutdown! (CDraw)", false, false, e);
             }
+
             GC.Collect(); // Do a GC run here before we close logs to have finalizers run
             try
             {