stupid ass fixes and resampling

Author: Sulfrix

ImMilo/Program.Prompts.cs

@@ -330,6 +330,41 @@ public override void Show()
             }
         }
     }
+    
+    private class IntPrompt : Prompt<int?>
+    {
+        private int value;
+        
+        public IntPrompt(string message, string title, int defaultValue = 0)
+        {
+            Message = message;
+            Title = title;
+            value = defaultValue;
+        }
+
+        public override void Show()
+        {
+            if (BeginModal())
+            {
+                if (ImGui.IsWindowAppearing())
+                {
+                    ImGui.SetKeyboardFocusHere();
+                }
+                ImGui.InputInt(Message, ref value);
+
+                if (ImGui.Button("Ok"))
+                {
+                    Complete(value);
+                }
+                ImGui.SameLine();
+                if (ImGui.Button("Cancel"))
+                {
+                    Complete(null);
+                }
+                ImGui.EndPopup();
+            }
+        }
+    }
 
     /// <summary>
     /// Shows a <see cref="Prompt{T}"/>, and waits for it to be completed by the user.
@@ -396,6 +431,18 @@ public static async Task<string> ShowChoosePrompt(string message, string title,
     {
         return await ShowGenericPrompt(new TextPrompt(inputLabel, title, defaultValue));
     }
+    
+    /// <summary>
+    /// Shows a number prompt, asking the user for a integer.
+    /// </summary>
+    /// <param name="inputLabel">Label shown next to the text box.</param>
+    /// <param name="title">Window title.</param>
+    /// <param name="defaultValue">Value first entered in the text box.</param>
+    /// <returns></returns>
+    public static async Task<int?> ShowIntPrompt(string inputLabel, string title, int defaultValue = 0)
+    {
+        return await ShowGenericPrompt(new IntPrompt(inputLabel, title, defaultValue));
+    }
 
     /// <summary>
     /// Shows a save prompt, allowing the user to modify <see cref="SaveSettings"/>.

ImMilo/Program.cs

@@ -86,6 +86,9 @@ private set
 
     private static SearchWindow geomOwnerFinder = new("Geometry Owner Finder");
 
+    /// <summary>
+    /// Doesn't actually detect FFMPEG yet, temporarily set to true.
+    /// </summary>
     public static bool FFMpegFound = true;
 
     static void Main(string[] args)

ImMilo/SamplePlayer.cs

@@ -210,6 +210,38 @@ public static void Draw(Sfx sfx)
         player.Render();
     }
 
+    public async void PromptResample()
+    {
+        var rate = await Program.ShowIntPrompt("New sample rate", "Resample Audio", (int)thisSample.sampleData.sampleRate);
+        if (rate != null)
+        {
+            var inData = new List<byte>();
+            for (int i = 0; i < sampleData.Length; i++)
+            {
+                var bytes = BitConverter.GetBytes(sampleData[i]);
+                if (BitConverter.IsLittleEndian)
+                {
+                    bytes = bytes.Reverse().ToArray();
+                }
+                inData.AddRange(bytes);
+            }
+            var inStream = new MemoryStream(inData.ToArray());
+            var outStream = new MemoryStream();
+            FFMpegArguments.FromPipeInput(new StreamPipeSource(inStream), options => options
+                    .WithAudioCodec("pcm_s16be").ForceFormat("s16be").WithAudioSamplingRate((int)thisSample.sampleData.sampleRate))
+                .OutputToPipe(new StreamPipeSink(outStream), options => options
+                    .WithAudioCodec("pcm_s16be").ForceFormat("s16be").WithAudioSamplingRate(rate.Value).WithCustomArgument("-ac 1")).WithLogLevel(FFMpegLogLevel.Info).ProcessSynchronously();
+            
+
+            var data = outStream.ToArray();
+            thisSample.sampleData.samples = [..data];
+            thisSample.sampleData.sampleRate = (uint)rate;
+            thisSample.sampleData.sampleCount = (uint)data.Length / 2;
+            thisSample.sampleData.encoding = SynthSample.SampleData.Encoding.kBigEndPCM;
+            LoadData();
+        }
+    }
+
     public void Render()
     {
         ImGui.Button(FontAwesome5.EllipsisH, new Vector2(SamplePlayerHeight, SamplePlayerHeight));
@@ -247,17 +279,33 @@ public void Render()
                     }
                 }
 
-                if (ImGui.MenuItem(FontAwesome5.FileExport + "  Export Audio File"))
+                if (dataState == State.Loaded && ImGui.MenuItem(FontAwesome5.FileExport + "  Export Audio File"))
                 {
                     var (cancelled, path) =
                         TinyDialogs.SaveFileDialog("Select file to save", "", new FileFilter("WAV file", ["*.wav"]));
                     if (!cancelled)
                     {
-                        var memoryStream = new MemoryStream(thisSample.sampleData.samples.ToArray());
+                        var data = new List<byte>();
+                        for (int i = 0; i < sampleData.Length; i++)
+                        {
+                            var bytes = BitConverter.GetBytes(sampleData[i]);
+                            if (BitConverter.IsLittleEndian)
+                            {
+                                bytes = bytes.Reverse().ToArray();
+                            }
+                            data.AddRange(bytes);
+                        }
+                        var memoryStream = new MemoryStream(data.ToArray());
+                        
                         FFMpegArguments.FromPipeInput(new StreamPipeSource(memoryStream), options => options
                             .WithAudioCodec("pcm_s16be").ForceFormat("s16be").WithAudioSamplingRate((int)thisSample.sampleData.sampleRate)).OutputToFile(path).ProcessSynchronously();
                     }
                 }
+
+                if (dataState == State.Loaded && ImGui.MenuItem(FontAwesome5.FileAudio + "  Resample Audio"))
+                {
+                    PromptResample();
+                }
             }
             else
             {