[GUI] AudioClip improvements

- Increased loading speed of AudioClip preview
- Optimized memory consumption of AudioClip preview
- Fixed incorrect length detection for some sound types
- Added channel count info (audio channels)

AssetStudio/ResourceReader.cs

@@ -80,17 +80,18 @@ namespace AssetStudio
             lock (binaryReader)
             {
                 binaryReader.BaseStream.Position = Offset;
-                return binaryReader.ReadBytes((int) size);
+                return binaryReader.ReadBytes((int)size);
             }
         }
 
-        public void GetData(byte[] buff, int startIndex = 0)
+        public void GetData(byte[] buff, out int read, int startIndex = 0)
         {
+            read = -1;
             var binaryReader = GetReader();
             lock (binaryReader)
             {
                 binaryReader.BaseStream.Position = Offset;
-                binaryReader.Read(buff, startIndex, (int) size);
+                read = binaryReader.Read(buff, startIndex, (int)size);
             }
         }
 

AssetStudioCLI/ParallelExporter.cs

@@ -102,8 +102,8 @@ namespace AssetStudioCLI
             var m_AudioData = BigArrayPool<byte>.Shared.Rent(m_AudioClip.m_AudioData.Size);
             try
             {
-                m_AudioClip.m_AudioData.GetData(m_AudioData);
-                if (m_AudioData == null || m_AudioData.Length == 0)
+                m_AudioClip.m_AudioData.GetData(m_AudioData, out var read);
+                if (read <= 0)
                 {
                     Logger.Error($"Export error. \"{item.Text}\": AudioData was not found");
                     return false;
@@ -116,24 +116,8 @@ namespace AssetStudioCLI
 
                     if (CLIOptions.o_logLevel.Value <= LoggerEvent.Debug)
                     {
-                        var sb = new StringBuilder();
-                        sb.AppendLine($"Converting {item.TypeString} \"{m_AudioClip.m_Name}\" to wav..");
-                        if (m_AudioClip.version >= (2, 6))
-                        {
-                            sb.AppendLine(m_AudioClip.version < 5
-                                ? $"AudioClip type: {m_AudioClip.m_Type}"
-                                : $"AudioClip compression format: {m_AudioClip.m_CompressionFormat}");
-                            sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                            sb.AppendLine($"AudioClip bit depth: {m_AudioClip.m_BitsPerSample}");
-                        }
-                        else
-                        {
-                            sb.AppendLine($"Is raw AudioClip: {m_AudioClip.m_Format != 0x05}");
-                            sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                        }
-                        debugLog += sb.ToString();
+                        debugLog += $"Converting {item.TypeString} \"{m_AudioClip.m_Name}\" to wav..\n";
+                        debugLog += GenerateAudioClipInfo(m_AudioClip);
                     }
 
                     var debugLogConverter = "";
@@ -155,23 +139,8 @@ namespace AssetStudioCLI
 
                     if (CLIOptions.o_logLevel.Value <= LoggerEvent.Debug)
                     {
-                        var sb = new StringBuilder();
-                        sb.AppendLine($"Exporting non-fmod {item.TypeString} \"{m_AudioClip.m_Name}\"..");
-                        if (m_AudioClip.version >= (2, 6))
-                        {
-                            sb.AppendLine(m_AudioClip.version < 5
-                                ? $"AudioClip type: {m_AudioClip.m_Type}"
-                                : $"AudioClip compression format: {m_AudioClip.m_CompressionFormat}");
-                            sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                            sb.AppendLine($"AudioClip bit depth: {m_AudioClip.m_BitsPerSample}");
-                        }
-                        else
-                        {
-                            sb.AppendLine($"Is raw AudioClip: {m_AudioClip.m_Format != 0x05}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                        }
-                        debugLog += sb.ToString();
+                        debugLog += $"Exporting non-fmod {item.TypeString} \"{m_AudioClip.m_Name}\"..\n";
+                        debugLog += GenerateAudioClipInfo(m_AudioClip);
                     }
                     using (var file = File.OpenWrite(exportFullPath))
                     {
@@ -187,6 +156,32 @@ namespace AssetStudioCLI
             }
         }
 
+        private static string GenerateAudioClipInfo(AudioClip m_AudioClip)
+        {
+            var sb = new StringBuilder();
+            if (m_AudioClip.version >= (2, 6))
+            {
+                sb.AppendLine(m_AudioClip.version < 5
+                    ? $"AudioClip type: {m_AudioClip.m_Type}"
+                    : $"AudioClip compression format: {m_AudioClip.m_CompressionFormat}");
+                if (m_AudioClip.version >= 5)
+                {
+                    sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
+                    sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
+                    sb.AppendLine($"AudioClip bit depth: {m_AudioClip.m_BitsPerSample}");
+                }
+            }
+            else
+            {
+                var isRawWav = m_AudioClip.m_Format != 0x05;
+                sb.AppendLine($"Is raw wav data: {isRawWav}");
+                if (isRawWav)
+                    sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
+                sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
+            }
+            return sb.ToString();
+        }
+
         private static bool TryExportFile(string dir, AssetItem item, string extension, out string fullPath)
         {
             var fileName = FixFileName(item.Text);

AssetStudioGUI/AssetStudioGUIForm.Designer.cs

@@ -124,7 +124,8 @@
             this.previewPanel = new System.Windows.Forms.PictureBox();
             this.assetInfoLabel = new System.Windows.Forms.Label();
             this.FMODpanel = new System.Windows.Forms.Panel();
-            this.FMODcopyright = new System.Windows.Forms.Label();
+            this.FMODaudioChannelsLabel = new System.Windows.Forms.Label();
+            this.FMODcopyrightLabel = new System.Windows.Forms.Label();
             this.FMODinfoLabel = new System.Windows.Forms.Label();
             this.FMODtimerLabel = new System.Windows.Forms.Label();
             this.FMODstatusLabel = new System.Windows.Forms.Label();
@@ -1077,7 +1078,8 @@
             // FMODpanel
             // 
             this.FMODpanel.BackColor = System.Drawing.SystemColors.ControlDark;
-            this.FMODpanel.Controls.Add(this.FMODcopyright);
+            this.FMODpanel.Controls.Add(this.FMODaudioChannelsLabel);
+            this.FMODpanel.Controls.Add(this.FMODcopyrightLabel);
             this.FMODpanel.Controls.Add(this.FMODinfoLabel);
             this.FMODpanel.Controls.Add(this.FMODtimerLabel);
             this.FMODpanel.Controls.Add(this.FMODstatusLabel);
@@ -1094,18 +1096,31 @@
             this.FMODpanel.TabIndex = 2;
             this.FMODpanel.Visible = false;
             // 
-            // FMODcopyright
+            // FMODaudioChannelsLabel
             // 
-            this.FMODcopyright.Anchor = System.Windows.Forms.AnchorStyles.Top;
-            this.FMODcopyright.AutoSize = true;
-            this.FMODcopyright.BackColor = System.Drawing.Color.Transparent;
-            this.FMODcopyright.ForeColor = System.Drawing.Color.White;
-            this.FMODcopyright.ImeMode = System.Windows.Forms.ImeMode.NoControl;
-            this.FMODcopyright.Location = new System.Drawing.Point(214, 365);
-            this.FMODcopyright.Name = "FMODcopyright";
-            this.FMODcopyright.Size = new System.Drawing.Size(283, 13);
-            this.FMODcopyright.TabIndex = 9;
-            this.FMODcopyright.Text = "Audio Engine supplied by FMOD by Firelight Technologies.";
+            this.FMODaudioChannelsLabel.Anchor = System.Windows.Forms.AnchorStyles.Top;
+            this.FMODaudioChannelsLabel.AutoSize = true;
+            this.FMODaudioChannelsLabel.BackColor = System.Drawing.Color.Transparent;
+            this.FMODaudioChannelsLabel.ForeColor = System.Drawing.Color.White;
+            this.FMODaudioChannelsLabel.ImeMode = System.Windows.Forms.ImeMode.NoControl;
+            this.FMODaudioChannelsLabel.Location = new System.Drawing.Point(368, 255);
+            this.FMODaudioChannelsLabel.Name = "FMODaudioChannelsLabel";
+            this.FMODaudioChannelsLabel.Size = new System.Drawing.Size(38, 13);
+            this.FMODaudioChannelsLabel.TabIndex = 10;
+            this.FMODaudioChannelsLabel.Text = "Stereo";
+            // 
+            // FMODcopyrightLabel
+            // 
+            this.FMODcopyrightLabel.Anchor = System.Windows.Forms.AnchorStyles.Top;
+            this.FMODcopyrightLabel.AutoSize = true;
+            this.FMODcopyrightLabel.BackColor = System.Drawing.Color.Transparent;
+            this.FMODcopyrightLabel.ForeColor = System.Drawing.Color.White;
+            this.FMODcopyrightLabel.ImeMode = System.Windows.Forms.ImeMode.NoControl;
+            this.FMODcopyrightLabel.Location = new System.Drawing.Point(214, 365);
+            this.FMODcopyrightLabel.Name = "FMODcopyrightLabel";
+            this.FMODcopyrightLabel.Size = new System.Drawing.Size(283, 13);
+            this.FMODcopyrightLabel.TabIndex = 9;
+            this.FMODcopyrightLabel.Text = "Audio Engine supplied by FMOD by Firelight Technologies.";
             // 
             // FMODinfoLabel
             // 
@@ -1126,7 +1141,7 @@
             this.FMODtimerLabel.BackColor = System.Drawing.Color.Transparent;
             this.FMODtimerLabel.ForeColor = System.Drawing.Color.White;
             this.FMODtimerLabel.ImeMode = System.Windows.Forms.ImeMode.NoControl;
-            this.FMODtimerLabel.Location = new System.Drawing.Point(457, 253);
+            this.FMODtimerLabel.Location = new System.Drawing.Point(457, 255);
             this.FMODtimerLabel.Name = "FMODtimerLabel";
             this.FMODtimerLabel.Size = new System.Drawing.Size(102, 13);
             this.FMODtimerLabel.TabIndex = 7;
@@ -1649,7 +1664,7 @@
         private System.Windows.Forms.ColumnHeader columnHeader1;
         private System.Windows.Forms.TextBox classTextBox;
         private System.Windows.Forms.ToolStripMenuItem exportClassStructuresMenuItem;
-        private System.Windows.Forms.Label FMODcopyright;
+        private System.Windows.Forms.Label FMODcopyrightLabel;
         private OpenTK.GLControl glControl1;
         private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
         private System.Windows.Forms.ToolStripMenuItem showOriginalFileToolStripMenuItem;
@@ -1735,6 +1750,7 @@
         private System.Windows.Forms.ToolStripMenuItem colorThemeAutoToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem colorThemeLightToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem colorThemeDarkToolStripMenuItem;
+        private System.Windows.Forms.Label FMODaudioChannelsLabel;
     }
 }
 

AssetStudioGUI/AssetStudioGUIForm.cs

@@ -43,6 +43,7 @@ namespace AssetStudioGUI
         private FMOD.Channel channel;
         private FMOD.SoundGroup masterSoundGroup;
         private FMOD.MODE loopMode = FMOD.MODE.LOOP_OFF;
+        private byte[] soundBuff;
         private uint FMODlenms;
         private uint FMODloopstartms;
         private uint FMODloopendms;
@@ -1101,17 +1102,16 @@ namespace AssetStudioGUI
                         break;
                 }
             }
-
-            var m_AudioData = m_AudioClip.m_AudioData.GetData();
-            if (m_AudioData == null || m_AudioData.Length == 0)
+            soundBuff = BigArrayPool<byte>.Shared.Rent(m_AudioClip.m_AudioData.Size);
+            m_AudioClip.m_AudioData.GetData(soundBuff, out var read);
+            if (read <= 0)
                 return;
 
             var exinfo = new FMOD.CREATESOUNDEXINFO();
-
             exinfo.cbsize = Marshal.SizeOf(exinfo);
             exinfo.length = (uint)m_AudioClip.m_Size;
 
-            var result = system.createSound(m_AudioData, FMOD.MODE.OPENMEMORY | loopMode, ref exinfo, out sound);
+            var result = system.createStream(soundBuff, FMOD.MODE.OPENMEMORY | FMOD.MODE.LOWMEM | FMOD.MODE.IGNORETAGS | FMOD.MODE.ACCURATETIME | loopMode, ref exinfo, out sound);
             if (result != FMOD.RESULT.OK)
             {
                 if (m_AudioClip.version < (2, 6) || m_AudioClip.version >= 5)
@@ -1141,7 +1141,6 @@ namespace AssetStudioGUI
             }
 
             sound.getNumSubSounds(out var numsubsounds);
-
             if (numsubsounds > 0)
             {
                 result = sound.getSubSound(0, out var subsound);
@@ -1172,6 +1171,20 @@ namespace AssetStudioGUI
 
             FMODinfoLabel.Text = frequency + " Hz";
             FMODtimerLabel.Text = $"00:00.00 / {(FMODlenms / 1000 / 60):00}:{(FMODlenms / 1000 % 60):00}.{(FMODlenms / 10 % 100):00}";
+            
+            sound.getFormat(out _, out _, out var audioChannels, out _);
+            switch (audioChannels)
+            {
+                case 1:
+                    FMODaudioChannelsLabel.Text = "Mono";
+                    break;
+                case 2:
+                    FMODaudioChannelsLabel.Text = "Stereo";
+                    break;
+                default:
+                    FMODaudioChannelsLabel.Text = $"{audioChannels}-Channel";
+                    break;
+            }
         }
 
         private void PreviewVideoClip(AssetItem assetItem, VideoClip m_VideoClip)
@@ -2589,6 +2602,7 @@ namespace AssetStudioGUI
             FMODtimerLabel.Text = "00:00.00 / 00:00.00";
             FMODstatusLabel.Text = "Stopped";
             FMODinfoLabel.Text = "";
+            FMODaudioChannelsLabel.Text = "";
 
             if (sound.hasHandle())
             {
@@ -2596,6 +2610,11 @@ namespace AssetStudioGUI
                 ERRCHECK(result);
                 sound.clearHandle();
             }
+            if (soundBuff != null)
+            {
+                BigArrayPool<byte>.Shared.Return(soundBuff, clearArray: true);
+                soundBuff = null;
+            }
         }
 
         private void FMODplayButton_Click(object sender, EventArgs e)

AssetStudioGUI/ParallelExport.cs

@@ -101,8 +101,8 @@ namespace AssetStudioGUI
             var m_AudioData = BigArrayPool<byte>.Shared.Rent(m_AudioClip.m_AudioData.Size);
             try
             {
-                m_AudioClip.m_AudioData.GetData(m_AudioData);
-                if (m_AudioData == null || m_AudioData.Length == 0)
+                m_AudioClip.m_AudioData.GetData(m_AudioData, out var read);
+                if (read <= 0)
                 {
                     Logger.Warning($"Failed to export \"{item.Text}\": AudioData was not found");
                     return false;
@@ -115,25 +115,8 @@ namespace AssetStudioGUI
 
                     if (GUILogger.ShowDebugMessage)
                     {
-                        var sb = new StringBuilder();
-                        sb.AppendLine($"Converting {item.TypeString} \"{m_AudioClip.m_Name}\" to wav..");
-                        if (m_AudioClip.version >= (2, 6))
-                        {
-                            sb.AppendLine(m_AudioClip.version < 5
-                                ? $"AudioClip type: {m_AudioClip.m_Type}"
-                                : $"AudioClip compression format: {m_AudioClip.m_CompressionFormat}");
-                            sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                            sb.AppendLine($"AudioClip bit depth: {m_AudioClip.m_BitsPerSample}");
-                        }
-                        else
-                        {
-                            sb.AppendLine($"Is raw AudioClip: {m_AudioClip.m_Format != 0x05}");
-                            sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                        }
-
-                        debugLog += sb.ToString();
+                        debugLog += $"Converting {item.TypeString} \"{m_AudioClip.m_Name}\" to wav..\n";
+                        debugLog += GenerateAudioClipInfo(m_AudioClip);
                     }
 
                     var debugLogConverter = "";
@@ -155,24 +138,8 @@ namespace AssetStudioGUI
 
                     if (GUILogger.ShowDebugMessage)
                     {
-                        var sb = new StringBuilder();
-                        sb.AppendLine($"Exporting non-fmod {item.TypeString} \"{m_AudioClip.m_Name}\"..");
-                        if (m_AudioClip.version >= (2, 6))
-                        {
-                            sb.AppendLine(m_AudioClip.version < 5
-                                ? $"AudioClip type: {m_AudioClip.m_Type}"
-                                : $"AudioClip compression format: {m_AudioClip.m_CompressionFormat}");
-                            sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                            sb.AppendLine($"AudioClip bit depth: {m_AudioClip.m_BitsPerSample}");
-                        }
-                        else 
-                        {
-                            sb.AppendLine($"Is raw AudioClip: {m_AudioClip.m_Format != 0x05}");
-                            sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
-                        }
-
-                        debugLog += sb.ToString();
+                        debugLog += $"Exporting non-fmod {item.TypeString} \"{m_AudioClip.m_Name}\"..\n";
+                        debugLog += GenerateAudioClipInfo(m_AudioClip);
                     }
                     using (var file = File.OpenWrite(exportFullPath))
                     {
@@ -188,6 +155,32 @@ namespace AssetStudioGUI
             }
         }
 
+        private static string GenerateAudioClipInfo(AudioClip m_AudioClip)
+        {
+            var sb = new StringBuilder();
+            if (m_AudioClip.version >= (2, 6))
+            {
+                sb.AppendLine(m_AudioClip.version < 5
+                    ? $"AudioClip type: {m_AudioClip.m_Type}"
+                    : $"AudioClip compression format: {m_AudioClip.m_CompressionFormat}");
+                if (m_AudioClip.version >= 5)
+                {
+                    sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
+                    sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
+                    sb.AppendLine($"AudioClip bit depth: {m_AudioClip.m_BitsPerSample}");
+                }
+            }
+            else
+            {
+                var isRawWav = m_AudioClip.m_Format != 0x05;
+                sb.AppendLine($"Is raw wav data: {isRawWav}");
+                if (isRawWav)
+                    sb.AppendLine($"AudioClip channel count: {m_AudioClip.m_Channels}");
+                sb.AppendLine($"AudioClip sample rate: {m_AudioClip.m_Frequency}");
+            }
+            return sb.ToString();
+        }
+
         private static bool TryExportFile(string dir, AssetItem item, string extension, out string fullPath)
         {
             var fileName = FixFileName(item.Text);

AssetStudioUtility/AudioClipConverter.cs

@@ -38,7 +38,7 @@ namespace AssetStudio
             var exinfo = new CREATESOUNDEXINFO();
             exinfo.cbsize = Marshal.SizeOf(exinfo);
             exinfo.length = (uint)m_AudioClip.m_Size;
-            var result = system.createSound(m_AudioData, MODE.OPENMEMORY, ref exinfo, out var sound);
+            var result = system.createSound(m_AudioData, MODE.OPENMEMORY | MODE.LOWMEM | MODE.ACCURATETIME, ref exinfo, out var sound);
             if (ErrorCheck(result, out debugLog))
                 return null;
             result = sound.getNumSubSounds(out var numsubsounds);
@@ -106,19 +106,20 @@ namespace AssetStudio
 
         public byte[] RawAudioClipToWav(out string debugLog)
         {
-            var audioSize = m_AudioClip.m_Size;
+            var audioSize = (uint)m_AudioClip.m_Size;
             var channels = m_AudioClip.m_Channels;
             var sampleRate = m_AudioClip.m_Frequency;
             var bits = 16;
 
             debugLog = "[Legacy wav converter] Generating wav header..\n";
             var buffer = new byte[audioSize + 44];
-            m_AudioClip.m_AudioData.GetData(buffer, 44);
-            WriteWavHeader(buffer, audioSize, sampleRate, channels, bits);
+            m_AudioClip.m_AudioData.GetData(buffer, out var read, 44);
+            if (read > 0)
+                WriteWavHeader(buffer, audioSize, sampleRate, channels, bits);
             return buffer;
         }
 
-        private static void WriteWavHeader(byte[] buffer, long size, int sampleRate, int channels, int bits)
+        private static void WriteWavHeader(byte[] buffer, uint size, int sampleRate, int channels, int bits)
         {
             Encoding.ASCII.GetBytes("RIFF").CopyTo(buffer, 0);
             BitConverter.GetBytes(size + 36).CopyTo(buffer, 4);

AssetStudioUtility/Texture2DConverter.cs

@@ -89,7 +89,7 @@ namespace AssetStudio
             var buff = BigArrayPool<byte>.Shared.Rent(reader.Size);
             try
             {
-                reader.GetData(buff);
+                reader.GetData(buff, out _);
                 if (switchSwizzled)
                 {
                     var unswizzledData = BigArrayPool<byte>.Shared.Rent(reader.Size);