match segment with playlist name

MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs

@@ -193,17 +193,23 @@ namespace MediaBrowser.Api.Playback.Hls
             return int.Parse(indexString, NumberStyles.Integer, UsCulture);
         }
 
-        private void DeleteLastFile(string path, string segmentExtension, int retryCount)
+        private void DeleteLastFile(string playlistPath, string segmentExtension, int retryCount)
+        {
+            var file = GetLastTranscodingFile(playlistPath, segmentExtension, FileSystem);
+
+            if (file != null)
+            {
+                DeleteFile(file, retryCount);
+            }
+        }
+
+        private void DeleteFile(FileInfo file, int retryCount)
         {
             if (retryCount >= 5)
             {
                 return;
             }
 
-            var file = GetLastTranscodingFile(path, segmentExtension, FileSystem);
-
-            if (file != null)
-            {
             try
             {
                 File.Delete(file.FullName);
@@ -213,24 +219,25 @@ namespace MediaBrowser.Api.Playback.Hls
                 Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, file.FullName);
 
                 Thread.Sleep(100);
-                    DeleteLastFile(path, segmentExtension, retryCount + 1);
+                DeleteFile(file, retryCount + 1);
             }
             catch (Exception ex)
             {
                 Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, file.FullName);
             }
         }
-        }
 
         private static FileInfo GetLastTranscodingFile(string playlist, string segmentExtension, IFileSystem fileSystem)
         {
             var folder = Path.GetDirectoryName(playlist);
 
+            var filePrefix = Path.GetFileNameWithoutExtension(playlist) ?? string.Empty;
+
             try
             {
                 return new DirectoryInfo(folder)
                     .EnumerateFiles("*", SearchOption.TopDirectoryOnly)
-                    .Where(i => string.Equals(i.Extension, segmentExtension, StringComparison.OrdinalIgnoreCase))
+                    .Where(i => string.Equals(i.Extension, segmentExtension, StringComparison.OrdinalIgnoreCase) && Path.GetFileNameWithoutExtension(i.Name).StartsWith(filePrefix, StringComparison.OrdinalIgnoreCase))
                     .OrderByDescending(fileSystem.GetLastWriteTimeUtc)
                     .FirstOrDefault();
             }