1 files changed, 86 insertions, 0 deletions
diff --git a/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs
new file mode 100644
index 000000000..7054accfa
--- /dev/null
+++ b/MediaBrowser.MediaEncoding/Encoder/AudioEncoder.cs
@@ -0,0 +1,86 @@
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.Channels;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Controller.Session;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Generic;
+
+namespace MediaBrowser.MediaEncoding.Encoder
+{
+    public class AudioEncoder : BaseEncoder
+    {
+        public AudioEncoder(MediaEncoder mediaEncoder, ILogger logger, IServerConfigurationManager configurationManager, IFileSystem fileSystem, ILiveTvManager liveTvManager, IIsoManager isoManager, ILibraryManager libraryManager, IChannelManager channelManager, ISessionManager sessionManager, ISubtitleEncoder subtitleEncoder) : base(mediaEncoder, logger, configurationManager, fileSystem, liveTvManager, isoManager, libraryManager, channelManager, sessionManager, subtitleEncoder)
+        {
+        }
+
+        protected override string GetCommandLineArguments(EncodingJob job)
+        {
+            var audioTranscodeParams = new List<string>();
+
+            var bitrate = job.OutputAudioBitrate;
+
+            if (bitrate.HasValue)
+            {
+                audioTranscodeParams.Add("-ab " + bitrate.Value.ToString(UsCulture));
+            }
+
+            if (job.OutputAudioChannels.HasValue)
+            {
+                audioTranscodeParams.Add("-ac " + job.OutputAudioChannels.Value.ToString(UsCulture));
+            }
+
+            if (job.OutputAudioSampleRate.HasValue)
+            {
+                audioTranscodeParams.Add("-ar " + job.OutputAudioSampleRate.Value.ToString(UsCulture));
+            }
+
+            var threads = GetNumberOfThreads(job, false);
+
+            var inputModifier = GetInputModifier(job);
+
+            return string.Format("{0} {1} -threads {2}{3} {4} -id3v2_version 3 -write_id3v1 1 -y \"{5}\"",
+                inputModifier,
+                GetInputArgument(job),
+                threads,
+                " -vn",
+                string.Join(" ", audioTranscodeParams.ToArray()),
+                job.OutputFilePath).Trim();
+        }
+
+        protected override string GetOutputFileExtension(EncodingJob state)
+        {
+            var ext = base.GetOutputFileExtension(state);
+
+            if (!string.IsNullOrEmpty(ext))
+            {
+                return ext;
+            }
+
+            var audioCodec = state.Options.AudioCodec;
+
+            if (string.Equals("aac", audioCodec, StringComparison.OrdinalIgnoreCase))
+            {
+                return ".aac";
+            }
+            if (string.Equals("mp3", audioCodec, StringComparison.OrdinalIgnoreCase))
+            {
+                return ".mp3";
+            }
+            if (string.Equals("vorbis", audioCodec, StringComparison.OrdinalIgnoreCase))
+            {
+                return ".ogg";
+            }
+            if (string.Equals("wma", audioCodec, StringComparison.OrdinalIgnoreCase))
+            {
+                return ".wma";
+            }
+
+            return null;
+        }
+    }
+}