support configurable transcoding temporary path

MediaBrowser.Api/ApiEntryPoint.cs

@@ -71,7 +71,7 @@ namespace MediaBrowser.Api
         /// </summary>
         private void DeleteEncodedMediaCache()
         {
-            foreach (var file in Directory.EnumerateFiles(AppPaths.EncodedMediaCachePath)
+            foreach (var file in Directory.EnumerateFiles(AppPaths.TranscodingTempPath)
                 .Where(i => EntityResolutionHelper.VideoFileExtensions.Contains(Path.GetExtension(i)))
                 .ToList())
             {

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -122,7 +122,7 @@ namespace MediaBrowser.Api.Playback
         /// <returns>System.String.</returns>
         protected virtual string GetOutputFilePath(StreamState state)
         {
-            var folder = ServerConfigurationManager.ApplicationPaths.EncodedMediaCachePath;
+            var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath;
 
             var outputFileExtension = GetOutputFileExtension(state);
 

MediaBrowser.Api/Playback/Hls/BaseHlsService.cs

@@ -31,7 +31,7 @@ namespace MediaBrowser.Api.Playback.Hls
 
         protected override string GetOutputFilePath(StreamState state)
         {
-            var folder = ServerConfigurationManager.ApplicationPaths.EncodedMediaCachePath;
+            var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath;
 
             var outputFileExtension = GetOutputFileExtension(state);
 

MediaBrowser.Api/Playback/Hls/HlsSegmentResponseFilter.cs

@@ -42,7 +42,7 @@ namespace MediaBrowser.Api.Playback.Hls
             Logger.Info("OnEndRequest " + playlistId);
             var normalizedPlaylistId = playlistId.Replace("-low", string.Empty);
 
-            foreach (var playlist in Directory.EnumerateFiles(ApplicationPaths.EncodedMediaCachePath, "*.m3u8")
+            foreach (var playlist in Directory.EnumerateFiles(ApplicationPaths.TranscodingTempPath, "*.m3u8")
                 .Where(i => i.IndexOf(normalizedPlaylistId, StringComparison.OrdinalIgnoreCase) != -1)
                 .ToList())
             {

MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs

@@ -89,7 +89,7 @@ namespace MediaBrowser.Api.Playback.Hls
 
             var file = request.PlaylistId + Path.GetExtension(Request.PathInfo);
 
-            file = Path.Combine(_appPaths.EncodedMediaCachePath, file);
+            file = Path.Combine(_appPaths.TranscodingTempPath, file);
 
             return ResultFactory.GetStaticFileResult(Request, file, FileShare.ReadWrite);
         }
@@ -108,7 +108,7 @@ namespace MediaBrowser.Api.Playback.Hls
         {
             var file = request.SegmentId + Path.GetExtension(Request.PathInfo);
 
-            file = Path.Combine(_appPaths.EncodedMediaCachePath, file);
+            file = Path.Combine(_appPaths.TranscodingTempPath, file);
 
             OnBeginRequest(request.PlaylistId);
 
@@ -124,7 +124,7 @@ namespace MediaBrowser.Api.Playback.Hls
         {
             var file = request.SegmentId + Path.GetExtension(Request.PathInfo);
 
-            file = Path.Combine(_appPaths.EncodedMediaCachePath, file);
+            file = Path.Combine(_appPaths.TranscodingTempPath, file);
 
             return ResultFactory.GetStaticFileResult(Request, file, FileShare.ReadWrite);
         }
@@ -137,7 +137,7 @@ namespace MediaBrowser.Api.Playback.Hls
         {
             var normalizedPlaylistId = playlistId.Replace("-low", string.Empty);
 
-            foreach (var playlist in Directory.EnumerateFiles(_appPaths.EncodedMediaCachePath, "*.m3u8")
+            foreach (var playlist in Directory.EnumerateFiles(_appPaths.TranscodingTempPath, "*.m3u8")
                 .Where(i => i.IndexOf(normalizedPlaylistId, StringComparison.OrdinalIgnoreCase) != -1)
                 .ToList())
             {

MediaBrowser.Controller/IServerApplicationPaths.cs

@@ -95,10 +95,10 @@ namespace MediaBrowser.Controller
         string UserConfigurationDirectoryPath { get; }
 
         /// <summary>
-        /// Gets the FF MPEG stream cache path.
+        /// Gets the transcoding temporary path.
         /// </summary>
-        /// <value>The FF MPEG stream cache path.</value>
-        string EncodedMediaCachePath { get; }
+        /// <value>The transcoding temporary path.</value>
+        string TranscodingTempPath { get; }
 
         /// <summary>
         /// Gets the downloaded images data path.

MediaBrowser.Model/Configuration/ServerConfiguration.cs

@@ -220,6 +220,7 @@ namespace MediaBrowser.Model.Configuration
         public MetadataOptions BookOptions { get; set; }
 
         public bool EnableDebugEncodingLogging { get; set; }
+        public string TranscodingTempPath { get; set; }
 
         /// <summary>
         /// Initializes a new instance of the <see cref="ServerConfiguration" /> class.

MediaBrowser.Server.Implementations/Configuration/ServerConfigurationManager.cs

@@ -60,6 +60,7 @@ namespace MediaBrowser.Server.Implementations.Configuration
         protected override void OnConfigurationUpdated()
         {
             UpdateItemsByNamePath();
+            UpdateTranscodingTempPath();
 
             base.OnConfigurationUpdated();
         }
@@ -74,6 +75,16 @@ namespace MediaBrowser.Server.Implementations.Configuration
                 Configuration.ItemsByNamePath;
         }
 
+        /// <summary>
+        /// Updates the transcoding temporary path.
+        /// </summary>
+        private void UpdateTranscodingTempPath()
+        {
+            ((ServerApplicationPaths)ApplicationPaths).TranscodingTempPath = string.IsNullOrEmpty(Configuration.TranscodingTempPath) ?
+                null :
+                Configuration.TranscodingTempPath;
+        }
+
         /// <summary>
         /// Replaces the configuration.
         /// </summary>
@@ -84,6 +95,7 @@ namespace MediaBrowser.Server.Implementations.Configuration
             var newConfig = (ServerConfiguration) newConfiguration;
 
             ValidateItemByNamePath(newConfig);
+            ValidateTranscodingTempPath(newConfig);
 
             base.ReplaceConfiguration(newConfiguration);
         }
@@ -107,5 +119,25 @@ namespace MediaBrowser.Server.Implementations.Configuration
                 }
             }
         }
+
+        /// <summary>
+        /// Validates the transcoding temporary path.
+        /// </summary>
+        /// <param name="newConfig">The new configuration.</param>
+        /// <exception cref="DirectoryNotFoundException"></exception>
+        private void ValidateTranscodingTempPath(ServerConfiguration newConfig)
+        {
+            var newPath = newConfig.TranscodingTempPath;
+
+            if (!string.IsNullOrWhiteSpace(newPath)
+                && !string.Equals(Configuration.TranscodingTempPath ?? string.Empty, newPath))
+            {
+                // Validate
+                if (!Directory.Exists(newPath))
+                {
+                    throw new DirectoryNotFoundException(string.Format("{0} does not exist.", newPath));
+                }
+            }
+        }
     }
 }

MediaBrowser.Server.Implementations/ServerApplicationPaths.cs

@@ -200,15 +200,16 @@ namespace MediaBrowser.Server.Implementations
             }
         }
 
-        /// <summary>
-        /// Gets the FF MPEG stream cache path.
-        /// </summary>
-        /// <value>The FF MPEG stream cache path.</value>
-        public string EncodedMediaCachePath
+        private string _transcodingTempPath;
+        public string TranscodingTempPath
         {
             get
             {
-                return Path.Combine(CachePath, "encoded-media");
+                return _transcodingTempPath ?? (_transcodingTempPath = Path.Combine(ProgramDataPath, "transcoding-temp"));
+            }
+            set
+            {
+                _transcodingTempPath = value;
             }
         }