Initial commit — M3U playlist tool with MP3/AAC encoding

2026-05-10 03:02:53 +00:00
commit b14531362b
114 changed files with 14184 additions and 0 deletions
@@ -0,0 +1,149 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace m3uTool
+{
+	/// <summary>
+	/// Summary description for m3uFromDirectory.
+	/// </summary>
+	public class CreateM3u
+	{
+		/// <summary>
+		/// Use the parent's directory name for the m3u name
+		/// </summary>
+		private bool mUseGeneratedOuputFilename = true;
+
+		/// <summary>
+		/// Directory to grab the files from
+		/// </summary>
+		private DirectoryInfo mInputDir;
+
+		/// <summary>
+		/// Ouput m3u filename, if it isn't generated
+		/// </summary>
+		private string mOutputFilename = null;
+
+		/// <summary>
+		/// Filter for input filenames
+		/// </summary>
+		private string mFileFilter = "*.mp3";
+
+		public bool UseGeneratedOuputFilename
+		{
+			get
+			{
+				return mUseGeneratedOuputFilename;
+			}
+			set
+			{
+				mUseGeneratedOuputFilename = value;
+			}
+		}
+
+		public string OutputFilename
+		{
+			get
+			{
+				if (mUseGeneratedOuputFilename)
+				{
+					Debug.WriteLine("OutputFilename:" + mInputDir.FullName + "\\" + mInputDir.Name + ".m3u");
+					 return mInputDir.FullName + "\\" + mInputDir.Name + ".m3u";
+				}
+				return mOutputFilename;
+			}
+			set
+			{
+				mOutputFilename = value;
+				mUseGeneratedOuputFilename = false;
+			}
+		}
+		
+		public CreateM3u(string dir) : this (new DirectoryInfo(dir))
+		{
+		}
+
+		public CreateM3u(DirectoryInfo inputDir)
+		{
+			mInputDir = inputDir;
+		}
+
+		/// <summary>
+		/// 
+		/// </summary>
+		/// <remarks>
+		/// dir: "\foo\bar\" file: "\foo\bar\myfile" output: ""
+		/// dir: "\foo\" file: "\foo\bar\myfile" output: ".."
+		/// dir: "\" file: "\foo\bar\myfile" output: "..\.."
+		/// dir: "\har" file: "\foo\bar\myfile" output: "..\..\har"
+		/// dir: "\foo\bar\hey\" file: "\foo\bar\myfile" output: "hey\"
+		/// </remarks>
+		/// <param name="dir"></param>
+		/// <param name="file"></param>
+		/// <returns></returns>
+		private string GetPath(DirectoryInfo dir, FileInfo file)
+		{
+			string source = dir.FullName;
+			string target = file.Directory.FullName;
+
+			return GetPath(source, target);
+		}
+
+		private string GetPath(string source, string target)
+		{
+			int lastCommonIndex = GetLastCommonIndex(source, target);
+			Debug.WriteLine(String.Format("s:{0} , t:{1} lastCommon:{2} ", source, target, lastCommonIndex));
+
+			int slashCount = CountCharacters(source, lastCommonIndex + 1, '\\');
+
+			string path = "";
+			for (int i = 0; i < slashCount; i++)
+			{
+				path += "..\\";
+			}
+			path += target.Substring(lastCommonIndex);
+			if (path.Length > 0 && path[path.Length - 1] != '\\')
+				path += "\\";
+			Debug.WriteLine(path);
+			return path;
+		}
+
+		private int CountCharacters(string str, int startIdx, char c)
+		{
+			int charsCount = 0;
+			int currIdx = startIdx;
+			while (currIdx < str.Length && (currIdx = str.IndexOf(c, currIdx) + 1) != 0)
+				charsCount++;
+			return charsCount;
+		}
+
+		private int GetLastCommonIndex(string str1, string str2)
+		{
+			int i = 0;
+			while (i < str1.Length && i < str2.Length && Char.ToLower(str1[i]) == Char.ToLower(str2[i]))
+				i++;
+			return i;
+		}
+
+		public void Create()
+		{
+			string fileList = "";
+			DirectoryInfo ouputDirectory = (new FileInfo(OutputFilename)).Directory;
+			foreach (FileInfo info in mInputDir.GetFiles(mFileFilter))
+			{
+				string fileName = GetPath(ouputDirectory, info) + info.Name;
+				Debug.WriteLine(fileName);
+				fileList += fileName + Environment.NewLine;
+			}
+			SaveToFile(fileList, OutputFilename);
+		}
+
+		private void SaveToFile(string contents, string outputFilename)
+		{
+			using (TextWriter tw = new StreamWriter(outputFilename))
+			{
+				tw.Write(contents);
+			}
+		}
+	}
+}