From cefd565e67ce3b8225eb2fa8a7338dc4d85b458d Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sun, 18 Jan 2015 14:53:34 -0500
Subject: display server name in dashboard

---
 .../Subtitles/SubtitleEncoder.cs                   | 65 +++++++++++++---------
 1 file changed, 39 insertions(+), 26 deletions(-)

(limited to 'MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs')

diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
index 10d8112ff..4723525e3 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
@@ -149,22 +149,22 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
             var fileInfo = await GetReadableFile(mediaSource.Path, inputFiles, mediaSource.Protocol, subtitleStream, cancellationToken).ConfigureAwait(false);
 
-            var stream = await GetSubtitleStream(fileInfo.Item1, subtitleStream.Language, fileInfo.Item3).ConfigureAwait(false);
+            var stream = await GetSubtitleStream(fileInfo.Item1, fileInfo.Item3).ConfigureAwait(false);
 
             return new Tuple<Stream, string>(stream, fileInfo.Item2);
         }
 
-        private async Task<Stream> GetSubtitleStream(string path, string language, bool requiresCharset)
+        private async Task<Stream> GetSubtitleStream(string path, bool requiresCharset)
         {
-            if (requiresCharset && !string.IsNullOrEmpty(language))
+            if (requiresCharset)
             {
-                var charset = GetSubtitleFileCharacterSet(path, language);
+                var charset = GetSubtitleFileCharacterSet(path);
 
                 if (!string.IsNullOrEmpty(charset))
                 {
                     using (var fs = _fileSystem.GetFileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
                     {
-                        using (var reader = new StreamReader(fs, Encoding.GetEncoding(charset)))
+                        using (var reader = new StreamReader(fs, GetEncoding(charset)))
                         {
                             var text = await reader.ReadToEndAsync().ConfigureAwait(false);
 
@@ -179,6 +179,23 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             return File.OpenRead(path);
         }
 
+        private Encoding GetEncoding(string charset)
+        {
+            if (string.IsNullOrWhiteSpace(charset))
+            {
+                throw new ArgumentNullException("charset");
+            }
+
+            try
+            {
+                return Encoding.GetEncoding(charset);
+            }
+            catch (ArgumentException)
+            {
+                return Encoding.GetEncoding(charset.Replace("-", string.Empty));
+            }
+        }
+
         private async Task<Tuple<string, string, bool>> GetReadableFile(string mediaPath,
             string[] inputFiles,
             MediaProtocol protocol,
@@ -227,8 +244,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                 // Convert    
                 var outputPath = GetSubtitleCachePath(mediaPath, subtitleStream.Index, ".srt");
 
-                await ConvertTextSubtitleToSrt(subtitleStream.Path, outputPath, subtitleStream.Language, cancellationToken)
-                        .ConfigureAwait(false);
+                await ConvertTextSubtitleToSrt(subtitleStream.Path, outputPath, cancellationToken).ConfigureAwait(false);
 
                 return new Tuple<string, string, bool>(outputPath, "srt", true);
             }
@@ -321,11 +337,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
         /// </summary>
         /// <param name="inputPath">The input path.</param>
         /// <param name="outputPath">The output path.</param>
-        /// <param name="language">The language.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
-        public async Task ConvertTextSubtitleToSrt(string inputPath, string outputPath, string language,
-            CancellationToken cancellationToken)
+        public async Task ConvertTextSubtitleToSrt(string inputPath, string outputPath, CancellationToken cancellationToken)
         {
             var semaphore = GetLock(outputPath);
 
@@ -335,7 +349,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             {
                 if (!File.Exists(outputPath))
                 {
-                    await ConvertTextSubtitleToSrtInternal(inputPath, outputPath, language).ConfigureAwait(false);
+                    await ConvertTextSubtitleToSrtInternal(inputPath, outputPath).ConfigureAwait(false);
                 }
             }
             finally
@@ -349,15 +363,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles
         /// </summary>
         /// <param name="inputPath">The input path.</param>
         /// <param name="outputPath">The output path.</param>
-        /// <param name="language">The language.</param>
         /// <returns>Task.</returns>
-        /// <exception cref="System.ArgumentNullException">
-        /// inputPath
+        /// <exception cref="System.ArgumentNullException">inputPath
         /// or
-        /// outputPath
-        /// </exception>
+        /// outputPath</exception>
         /// <exception cref="System.ApplicationException"></exception>
-        private async Task ConvertTextSubtitleToSrtInternal(string inputPath, string outputPath, string language)
+        private async Task ConvertTextSubtitleToSrtInternal(string inputPath, string outputPath)
         {
             if (string.IsNullOrEmpty(inputPath))
             {
@@ -371,9 +382,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
 
             Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
 
-            var encodingParam = string.IsNullOrEmpty(language)
-                ? string.Empty
-                : GetSubtitleFileCharacterSet(inputPath, language);
+            var encodingParam = GetSubtitleFileCharacterSet(inputPath);
 
             if (!string.IsNullOrEmpty(encodingParam))
             {
@@ -696,10 +705,14 @@ namespace MediaBrowser.MediaEncoding.Subtitles
         /// Gets the subtitle language encoding param.
         /// </summary>
         /// <param name="path">The path.</param>
-        /// <param name="language">The language.</param>
         /// <returns>System.String.</returns>
-        public string GetSubtitleFileCharacterSet(string path, string language)
+        public string GetSubtitleFileCharacterSet(string path)
         {
+            if (GetFileEncoding(path).Equals(Encoding.UTF8))
+            {
+                return string.Empty;
+            }
+
             var charset = DetectCharset(path);
 
             if (!string.IsNullOrWhiteSpace(charset))
@@ -712,11 +725,11 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                 return charset;
             }
 
-            if (GetFileEncoding(path).Equals(Encoding.UTF8))
-            {
-                return string.Empty;
-            }
+            return null;
+        }
 
+        public string GetSubtitleFileCharacterSetFromLanguage(string language)
+        {
             switch (language.ToLower())
             {
                 case "pol":
-- 
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