Minor changes to encoding code

* Don't wait in intervals of 100ms for the file to exist

5 files changed, 109 insertions, 204 deletions

diff --git a/Emby.Server.Implementations/Diagnostics/CommonProcess.cs b/Emby.Server.Implementations/Diagnostics/CommonProcess.cs
index 55539eafc..78b22bda3 100644
--- a/Emby.Server.Implementations/Diagnostics/CommonProcess.cs
+++ b/Emby.Server.Implementations/Diagnostics/CommonProcess.cs
@@ -105,7 +105,7 @@ namespace Emby.Server.Implementations.Diagnostics
         {
             return _process.WaitForExit(timeMs);
         }
-        
+
         public Task<bool> WaitForExitAsync(int timeMs)
         {
             //Note: For this function to work correctly, the option EnableRisingEvents needs to be set to true.
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
index 1fe8856cc..916d691b8 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
@@ -10,19 +10,13 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
 using MediaBrowser.Model.Session;
-using Microsoft.Extensions.Logging;
-using System.IO;
 using MediaBrowser.Model.Net;
-using MediaBrowser.Controller.Library;
-using System.Threading.Tasks;
 
 namespace MediaBrowser.Controller.MediaEncoding
 {
     // For now, a common base class until the API and MediaEncoding classes are unified
     public class EncodingJobInfo
     {
-        protected readonly IMediaSourceManager MediaSourceManager;
-
         public MediaStream VideoStream { get; set; }
         public VideoType VideoType { get; set; }
         public Dictionary<string, string> RemoteHttpHeaders { get; set; }
@@ -49,7 +43,6 @@ namespace MediaBrowser.Controller.MediaEncoding
         public string OutputFilePath { get; set; }
 
         public string MimeType { get; set; }
-        public long? EncodingDurationTicks { get; set; }
 
         public string GetMimeType(string outputPath, bool enableStreamDefault = true)
         {
@@ -68,7 +61,12 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (_transcodeReasons == null)
                 {
-                    _transcodeReasons = (BaseRequest.TranscodeReasons ?? string.Empty)
+                    if (BaseRequest.TranscodeReasons == null)
+                    {
+                        return Array.Empty<TranscodeReason>();
+                    }
+
+                    _transcodeReasons = BaseRequest.TranscodeReasons
                         .Split(',')
                         .Where(i => !string.IsNullOrEmpty(i))
                         .Select(v => (TranscodeReason)Enum.Parse(typeof(TranscodeReason), v, true))
@@ -98,7 +96,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             get
             {
                 // For live tv + in progress recordings
-                if (string.Equals(InputContainer, "mpegts", StringComparison.OrdinalIgnoreCase) || string.Equals(InputContainer, "ts", StringComparison.OrdinalIgnoreCase))
+                if (string.Equals(InputContainer, "mpegts", StringComparison.OrdinalIgnoreCase)
+                    || string.Equals(InputContainer, "ts", StringComparison.OrdinalIgnoreCase))
                 {
                     if (!MediaSource.RunTimeTicks.HasValue)
                     {
@@ -155,15 +154,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 }
             }
 
-            if (forceDeinterlaceIfSourceIsInterlaced)
-            {
-                if (isInputInterlaced)
-                {
-                    return true;
-                }
-            }
-
-            return false;
+            return forceDeinterlaceIfSourceIsInterlaced && isInputInterlaced;
         }
 
         public string[] GetRequestedProfiles(string codec)
@@ -211,7 +202,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             if (!string.IsNullOrEmpty(codec))
             {
                 var value = BaseRequest.GetOption(codec, "maxrefframes");
-                if (!string.IsNullOrEmpty(value) && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
                 {
                     return result;
                 }
@@ -230,7 +222,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             if (!string.IsNullOrEmpty(codec))
             {
                 var value = BaseRequest.GetOption(codec, "videobitdepth");
-                if (!string.IsNullOrEmpty(value) && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
                 {
                     return result;
                 }
@@ -249,7 +242,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             if (!string.IsNullOrEmpty(codec))
             {
                 var value = BaseRequest.GetOption(codec, "audiobitdepth");
-                if (!string.IsNullOrEmpty(value) && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
                 {
                     return result;
                 }
@@ -264,6 +258,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 return BaseRequest.MaxAudioChannels;
             }
+
             if (BaseRequest.AudioChannels.HasValue)
             {
                 return BaseRequest.AudioChannels;
@@ -272,7 +267,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             if (!string.IsNullOrEmpty(codec))
             {
                 var value = BaseRequest.GetOption(codec, "audiochannels");
-                if (!string.IsNullOrEmpty(value) && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
                 {
                     return result;
                 }
@@ -294,7 +290,8 @@ namespace MediaBrowser.Controller.MediaEncoding
             SupportedSubtitleCodecs = Array.Empty<string>();
         }
 
-        public bool IsSegmentedLiveStream => TranscodingType != TranscodingJobType.Progressive && !RunTimeTicks.HasValue;
+        public bool IsSegmentedLiveStream
+            => TranscodingType != TranscodingJobType.Progressive && !RunTimeTicks.HasValue;
 
         public bool EnableBreakOnNonKeyFrames(string videoCodec)
         {
@@ -428,11 +425,12 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.Level;
+                    return VideoStream?.Level;
                 }
 
                 var level = GetRequestedLevel(ActualOutputVideoCodec);
-                if (!string.IsNullOrEmpty(level) && double.TryParse(level, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                if (!string.IsNullOrEmpty(level)
+                    && double.TryParse(level, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
                 {
                     return result;
                 }
@@ -450,7 +448,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.BitDepth;
+                    return VideoStream?.BitDepth;
                 }
 
                 return null;
@@ -467,7 +465,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.RefFrames;
+                    return VideoStream?.RefFrames;
                 }
 
                 return null;
@@ -494,13 +492,14 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                var defaultValue = string.Equals(OutputContainer, "m2ts", StringComparison.OrdinalIgnoreCase) ?
+                if (BaseRequest.Static)
+                {
+                    return InputTimestamp;
+                }
+
+                return string.Equals(OutputContainer, "m2ts", StringComparison.OrdinalIgnoreCase) ?
                     TransportStreamTimestamp.Valid :
                     TransportStreamTimestamp.None;
-
-                return !BaseRequest.Static
-                    ? defaultValue
-                    : InputTimestamp;
             }
         }
 
@@ -513,7 +512,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.PacketLength;
+                    return VideoStream?.PacketLength;
                 }
 
                 return null;
@@ -529,7 +528,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.Profile;
+                    return VideoStream?.Profile;
                 }
 
                 var requestedProfile = GetRequestedProfiles(ActualOutputVideoCodec).FirstOrDefault();
@@ -542,42 +541,13 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
         }
 
-        /// <summary>
-        /// Predicts the audio sample rate that will be in the output stream
-        /// </summary>
-        public string TargetVideoRange
-        {
-            get
-            {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
-                {
-                    return VideoStream == null ? null : VideoStream.VideoRange;
-                }
-
-                return "SDR";
-            }
-        }
-
-        public string TargetAudioProfile
-        {
-            get
-            {
-                if (BaseRequest.Static || string.Equals(OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase))
-                {
-                    return AudioStream == null ? null : AudioStream.Profile;
-                }
-
-                return null;
-            }
-        }
-
         public string TargetVideoCodecTag
         {
             get
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.CodecTag;
+                    return VideoStream?.CodecTag;
                 }
 
                 return null;
@@ -590,7 +560,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.IsAnamorphic;
+                    return VideoStream?.IsAnamorphic;
                 }
 
                 return false;
@@ -605,14 +575,7 @@ namespace MediaBrowser.Controller.MediaEncoding
 
                 if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    var stream = VideoStream;
-
-                    if (stream != null)
-                    {
-                        return stream.Codec;
-                    }
-
-                    return null;
+                    return VideoStream?.Codec;
                 }
 
                 return codec;
@@ -627,14 +590,7 @@ namespace MediaBrowser.Controller.MediaEncoding
 
                 if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    var stream = AudioStream;
-
-                    if (stream != null)
-                    {
-                        return stream.Codec;
-                    }
-
-                    return null;
+                    return AudioStream?.Codec;
                 }
 
                 return codec;
@@ -647,7 +603,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? (bool?)null : VideoStream.IsInterlaced;
+                    return VideoStream?.IsInterlaced;
                 }
 
                 if (DeInterlace(ActualOutputVideoCodec, true))
@@ -655,7 +611,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                     return false;
                 }
 
-                return VideoStream == null ? (bool?)null : VideoStream.IsInterlaced;
+                return VideoStream?.IsInterlaced;
             }
         }
 
@@ -665,7 +621,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
                 {
-                    return VideoStream == null ? null : VideoStream.IsAVC;
+                    return VideoStream?.IsAVC;
                 }
 
                 return false;
diff --git a/MediaBrowser.MediaEncoding/Encoder/BaseEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/BaseEncoder.cs
index 81f7c16d3..b231938b5 100644
--- a/MediaBrowser.MediaEncoding/Encoder/BaseEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/BaseEncoder.cs
@@ -1,5 +1,5 @@
 using System;
-using System.Globalization;
+using System.Diagnostics;
 using System.IO;
 using System.Text;
 using System.Threading;
@@ -31,11 +31,10 @@ namespace MediaBrowser.MediaEncoding.Encoder
         protected readonly IMediaSourceManager MediaSourceManager;
         protected IProcessFactory ProcessFactory;
 
-        protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
         protected EncodingHelper EncodingHelper;
 
-        protected BaseEncoder(MediaEncoder mediaEncoder,
+        protected BaseEncoder(
+            MediaEncoder mediaEncoder,
             ILogger logger,
             IServerConfigurationManager configurationManager,
             IFileSystem fileSystem,
@@ -43,7 +42,8 @@ namespace MediaBrowser.MediaEncoding.Encoder
             ILibraryManager libraryManager,
             ISessionManager sessionManager,
             ISubtitleEncoder subtitleEncoder,
-            IMediaSourceManager mediaSourceManager, IProcessFactory processFactory)
+            IMediaSourceManager mediaSourceManager,
+            IProcessFactory processFactory)
         {
             MediaEncoder = mediaEncoder;
             Logger = logger;
@@ -59,11 +59,12 @@ namespace MediaBrowser.MediaEncoding.Encoder
             EncodingHelper = new EncodingHelper(MediaEncoder, FileSystem, SubtitleEncoder);
         }
 
-        public async Task<EncodingJob> Start(EncodingJobOptions options,
+        public async Task<EncodingJob> Start(
+            EncodingJobOptions options,
             IProgress<double> progress,
             CancellationToken cancellationToken)
         {
-            var encodingJob = await new EncodingJobFactory(Logger, LibraryManager, MediaSourceManager, ConfigurationManager, MediaEncoder)
+            var encodingJob = await new EncodingJobFactory(Logger, LibraryManager, MediaSourceManager, MediaEncoder)
                 .CreateJob(options, EncodingHelper, IsVideoEncoder, progress, cancellationToken).ConfigureAwait(false);
 
             encodingJob.OutputFilePath = GetOutputFilePath(encodingJob);
@@ -75,8 +76,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             var commandLineArgs = GetCommandLineArguments(encodingJob);
 
-            var process = ProcessFactory.Create(new ProcessOptions
+            Process process = Process.Start(new ProcessStartInfo
             {
+                WindowStyle = ProcessWindowStyle.Hidden,
                 CreateNoWindow = true,
                 UseShellExecute = false,
 
@@ -88,11 +90,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 FileName = MediaEncoder.EncoderPath,
                 Arguments = commandLineArgs,
 
-                IsHidden = true,
-                ErrorDialog = false,
-                EnableRaisingEvents = true
+                ErrorDialog = false
             });
 
+            process.EnableRaisingEvents = true;
+
             var workingDirectory = GetWorkingDirectory(options);
             if (!string.IsNullOrWhiteSpace(workingDirectory))
             {
@@ -128,29 +130,60 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 throw;
             }
 
-            cancellationToken.Register(() => Cancel(process, encodingJob));
+            cancellationToken.Register(async () => await Cancel(process, encodingJob));
 
-            // MUST read both stdout and stderr asynchronously or a deadlock may occurr
+            // MUST read both stdout and stderr asynchronously or a deadlock may occur
             //process.BeginOutputReadLine();
 
             // Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
             new JobLogger(Logger).StartStreamingLog(encodingJob, process.StandardError.BaseStream, encodingJob.LogFileStream);
 
-            // Wait for the file to exist before proceeeding
-            while (!File.Exists(encodingJob.OutputFilePath) && !encodingJob.HasExited)
+            // Wait for the file to or for the process to stop
+            Task file = WaitForFileAsync(encodingJob.OutputFilePath);
+            await Task.WhenAny(encodingJob.TaskCompletionSource.Task, file).ConfigureAwait(false);
+
+            return encodingJob;
+        }
+
+        public static Task WaitForFileAsync(string path)
+        {
+            if (File.Exists(path))
             {
-                await Task.Delay(100, cancellationToken).ConfigureAwait(false);
+                return Task.CompletedTask;
             }
 
-            return encodingJob;
+            var tcs = new TaskCompletionSource<bool>();
+            FileSystemWatcher watcher = new FileSystemWatcher(Path.GetDirectoryName(path));
+
+            watcher.Created += (s, e) =>
+            {
+                if (e.Name == Path.GetFileName(path))
+                {
+                    watcher.Dispose();
+                    tcs.TrySetResult(true);
+                }
+            };
+
+            watcher.Renamed += (s, e) =>
+            {
+                if (e.Name == Path.GetFileName(path))
+                {
+                    watcher.Dispose();
+                    tcs.TrySetResult(true);
+                }
+            };
+
+            watcher.EnableRaisingEvents = true;
+
+            return tcs.Task;
         }
 
-        private void Cancel(IProcess process, EncodingJob job)
+        private async Task Cancel(Process process, EncodingJob job)
         {
             Logger.LogInformation("Killing ffmpeg process for {0}", job.OutputFilePath);
 
             //process.Kill();
-            process.StandardInput.WriteLine("q");
+            await process.StandardInput.WriteLineAsync("q");
 
             job.IsCancelled = true;
         }
@@ -160,28 +193,28 @@ namespace MediaBrowser.MediaEncoding.Encoder
         /// </summary>
         /// <param name="process">The process.</param>
         /// <param name="job">The job.</param>
-        private void OnFfMpegProcessExited(IProcess process, EncodingJob job)
+        private void OnFfMpegProcessExited(Process process, EncodingJob job)
         {
             job.HasExited = true;
 
             Logger.LogDebug("Disposing stream resources");
             job.Dispose();
 
-            var isSuccesful = false;
+            var isSuccessful = false;
 
             try
             {
                 var exitCode = process.ExitCode;
                 Logger.LogInformation("FFMpeg exited with code {0}", exitCode);
 
-                isSuccesful = exitCode == 0;
+                isSuccessful = exitCode == 0;
             }
             catch (Exception ex)
             {
                 Logger.LogError(ex, "FFMpeg exited with an error.");
             }
 
-            if (isSuccesful && !job.IsCancelled)
+            if (isSuccessful && !job.IsCancelled)
             {
                 job.TaskCompletionSource.TrySetResult(true);
             }
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs b/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs
index d4040cd31..cd7de94ce 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncodingJob.cs
@@ -4,7 +4,6 @@ using System.Threading.Tasks;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Model.Dlna;
-using MediaBrowser.Model.Net;
 using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.MediaEncoding.Encoder
@@ -40,7 +39,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
             _mediaSourceManager = mediaSourceManager;
             Id = Guid.NewGuid();
 
-            _logger = logger;
             TaskCompletionSource = new TaskCompletionSource<bool>();
         }
 
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs b/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs
index 95454c447..5f84a0322 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncodingJobFactory.cs
@@ -1,13 +1,10 @@
 using System;
-using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
-using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Entities;
 using Microsoft.Extensions.Logging;
@@ -19,17 +16,13 @@ namespace MediaBrowser.MediaEncoding.Encoder
         private readonly ILogger _logger;
         private readonly ILibraryManager _libraryManager;
         private readonly IMediaSourceManager _mediaSourceManager;
-        private readonly IConfigurationManager _config;
         private readonly IMediaEncoder _mediaEncoder;
 
-        protected static readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
-        public EncodingJobFactory(ILogger logger, ILibraryManager libraryManager, IMediaSourceManager mediaSourceManager, IConfigurationManager config, IMediaEncoder mediaEncoder)
+        public EncodingJobFactory(ILogger logger, ILibraryManager libraryManager, IMediaSourceManager mediaSourceManager, IMediaEncoder mediaEncoder)
         {
             _logger = logger;
             _libraryManager = libraryManager;
             _mediaSourceManager = mediaSourceManager;
-            _config = config;
             _mediaEncoder = mediaEncoder;
         }
 
@@ -118,11 +111,11 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 if (state.OutputVideoBitrate.HasValue)
                 {
                     var resolution = ResolutionNormalizer.Normalize(
-                        state.VideoStream == null ? (int?)null : state.VideoStream.BitRate,
-                        state.VideoStream == null ? (int?)null : state.VideoStream.Width,
-                        state.VideoStream == null ? (int?)null : state.VideoStream.Height,
+                        state.VideoStream?.BitRate,
+                        state.VideoStream?.Width,
+                        state.VideoStream?.Height,
                         state.OutputVideoBitrate.Value,
-                        state.VideoStream == null ? null : state.VideoStream.Codec,
+                        state.VideoStream?.Codec,
                         state.OutputVideoCodec,
                         videoRequest.MaxWidth,
                         videoRequest.MaxHeight);
@@ -144,40 +137,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
             return state;
         }
 
-        protected EncodingOptions GetEncodingOptions()
-        {
-            return _config.GetConfiguration<EncodingOptions>("encoding");
-        }
-
-        /// <summary>
-        /// Infers the video codec.
-        /// </summary>
-        /// <param name="container">The container.</param>
-        /// <returns>System.Nullable{VideoCodecs}.</returns>
-        private static string InferVideoCodec(string container)
-        {
-            var ext = "." + (container ?? string.Empty);
-
-            if (string.Equals(ext, ".asf", StringComparison.OrdinalIgnoreCase))
-            {
-                return "wmv";
-            }
-            if (string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase))
-            {
-                return "vpx";
-            }
-            if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase) || string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase))
-            {
-                return "theora";
-            }
-            if (string.Equals(ext, ".m3u8", StringComparison.OrdinalIgnoreCase) || string.Equals(ext, ".ts", StringComparison.OrdinalIgnoreCase))
-            {
-                return "h264";
-            }
-
-            return "copy";
-        }
-
         private string InferAudioCodec(string container)
         {
             var ext = "." + (container ?? string.Empty);
@@ -186,31 +145,19 @@ namespace MediaBrowser.MediaEncoding.Encoder
             {
                 return "mp3";
             }
-            if (string.Equals(ext, ".aac", StringComparison.OrdinalIgnoreCase))
+            else if (string.Equals(ext, ".aac", StringComparison.OrdinalIgnoreCase))
             {
                 return "aac";
             }
-            if (string.Equals(ext, ".wma", StringComparison.OrdinalIgnoreCase))
+            else if (string.Equals(ext, ".wma", StringComparison.OrdinalIgnoreCase))
             {
                 return "wma";
             }
-            if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase))
-            {
-                return "vorbis";
-            }
-            if (string.Equals(ext, ".oga", StringComparison.OrdinalIgnoreCase))
-            {
-                return "vorbis";
-            }
-            if (string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase))
-            {
-                return "vorbis";
-            }
-            if (string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase))
-            {
-                return "vorbis";
-            }
-            if (string.Equals(ext, ".webma", StringComparison.OrdinalIgnoreCase))
+            else if (string.Equals(ext, ".ogg", StringComparison.OrdinalIgnoreCase)
+                || string.Equals(ext, ".oga", StringComparison.OrdinalIgnoreCase)
+                || string.Equals(ext, ".ogv", StringComparison.OrdinalIgnoreCase)
+                || string.Equals(ext, ".webm", StringComparison.OrdinalIgnoreCase)
+                || string.Equals(ext, ".webma", StringComparison.OrdinalIgnoreCase))
             {
                 return "vorbis";
             }
@@ -218,35 +165,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
             return "copy";
         }
 
-        /// <summary>
-        /// Determines whether the specified stream is H264.
-        /// </summary>
-        /// <param name="stream">The stream.</param>
-        /// <returns><c>true</c> if the specified stream is H264; otherwise, <c>false</c>.</returns>
-        protected bool IsH264(MediaStream stream)
-        {
-            var codec = stream.Codec ?? string.Empty;
-
-            return codec.IndexOf("264", StringComparison.OrdinalIgnoreCase) != -1 ||
-                   codec.IndexOf("avc", StringComparison.OrdinalIgnoreCase) != -1;
-        }
-
-        private static int GetVideoProfileScore(string profile)
-        {
-            var list = new List<string>
-            {
-                "Constrained Baseline",
-                "Baseline",
-                "Extended",
-                "Main",
-                "High",
-                "Progressive High",
-                "Constrained High"
-            };
-
-            return Array.FindIndex(list.ToArray(), t => string.Equals(t, profile, StringComparison.OrdinalIgnoreCase));
-        }
-
         private void ApplyDeviceProfileSettings(EncodingJob state)
         {
             var profile = state.Options.DeviceProfile;