Restructured the project structure back to the way it was, there's no reasonable way to split the modules

src/NadekoBot/_common/Services/Impl/YtdlOperation.cs

@@ -0,0 +1,77 @@
+#nullable disable
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Text;
+
+namespace NadekoBot.Services;
+
+public class YtdlOperation
+{
+    private readonly string _baseArgString;
+    private readonly bool _isYtDlp;
+
+    public YtdlOperation(string baseArgString, bool isYtDlp = false)
+    {
+        _baseArgString = baseArgString;
+        _isYtDlp = isYtDlp;
+    }
+
+    private Process CreateProcess(string[] args)
+    {
+        var newArgs = args.Map(arg => (object)arg.Replace("\"", ""));
+        return new()
+        {
+            StartInfo = new()
+            {
+                FileName = _isYtDlp ? "yt-dlp" : "youtube-dl",
+                Arguments = string.Format(_baseArgString, newArgs),
+                UseShellExecute = false,
+                RedirectStandardError = true,
+                RedirectStandardOutput = true,
+                StandardOutputEncoding = Encoding.UTF8,
+                StandardErrorEncoding = Encoding.UTF8,
+                CreateNoWindow = true
+            }
+        };
+    }
+
+    public async Task<string> GetDataAsync(params string[] args)
+    {
+        try
+        {
+            using var process = CreateProcess(args);
+
+            Log.Debug("Executing {FileName} {Arguments}", process.StartInfo.FileName, process.StartInfo.Arguments);
+            process.Start();
+
+            var str = await process.StandardOutput.ReadToEndAsync();
+            var err = await process.StandardError.ReadToEndAsync();
+            if (!string.IsNullOrEmpty(err))
+                Log.Warning("YTDL warning: {YtdlWarning}", err);
+
+            return str;
+        }
+        catch (Win32Exception)
+        {
+            Log.Error("youtube-dl is likely not installed. " + "Please install it before running the command again");
+            return default;
+        }
+        catch (Exception ex)
+        {
+            Log.Error(ex, "Exception running youtube-dl: {ErrorMessage}", ex.Message);
+            return default;
+        }
+    }
+
+    public async IAsyncEnumerable<string> EnumerateDataAsync(params string[] args)
+    {
+        using var process = CreateProcess(args);
+
+        Log.Debug("Executing {FileName} {Arguments}", process.StartInfo.FileName, process.StartInfo.Arguments);
+        process.Start();
+
+        string line;
+        while ((line = await process.StandardOutput.ReadLineAsync()) is not null)
+            yield return line;
+    }
+}