Merge branch 'jellyfin:master' into master

1 files changed, 290 insertions, 285 deletions

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
index 916d691b8..e92c4a08a 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingJobInfo.cs
@@ -1,60 +1,39 @@
+#nullable disable
+
+#pragma warning disable CS1591, SA1401
+
 using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
-using MediaBrowser.Controller.Entities;
+using Jellyfin.Data.Entities;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Drawing;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
-using MediaBrowser.Model.Session;
 using MediaBrowser.Model.Net;
+using MediaBrowser.Model.Session;
 
 namespace MediaBrowser.Controller.MediaEncoding
 {
     // For now, a common base class until the API and MediaEncoding classes are unified
     public class EncodingJobInfo
     {
-        public MediaStream VideoStream { get; set; }
-        public VideoType VideoType { get; set; }
-        public Dictionary<string, string> RemoteHttpHeaders { get; set; }
-        public string OutputVideoCodec { get; set; }
-        public MediaProtocol InputProtocol { get; set; }
-        public string MediaPath { get; set; }
-        public bool IsInputVideo { get; set; }
-        public IIsoMount IsoMount { get; set; }
-        public string[] PlayableStreamFileNames { get; set; }
-        public string OutputAudioCodec { get; set; }
-        public int? OutputVideoBitrate { get; set; }
-        public MediaStream SubtitleStream { get; set; }
-        public SubtitleDeliveryMethod SubtitleDeliveryMethod { get; set; }
-        public string[] SupportedSubtitleCodecs { get; set; }
-
-        public int InternalSubtitleStreamOffset { get; set; }
-        public MediaSourceInfo MediaSource { get; set; }
-        public User User { get; set; }
-
-        public long? RunTimeTicks { get; set; }
-
-        public bool ReadInputAtNativeFramerate { get; set; }
-
-        public string OutputFilePath { get; set; }
+        public int? OutputAudioBitrate;
+        public int? OutputAudioChannels;
 
-        public string MimeType { get; set; }
+        private TranscodeReason[] _transcodeReasons = null;
 
-        public string GetMimeType(string outputPath, bool enableStreamDefault = true)
+        public EncodingJobInfo(TranscodingJobType jobType)
         {
-            if (!string.IsNullOrEmpty(MimeType))
-            {
-                return MimeType;
-            }
-
-            return MimeTypes.GetMimeType(outputPath, enableStreamDefault);
+            TranscodingType = jobType;
+            RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+            SupportedAudioCodecs = Array.Empty<string>();
+            SupportedVideoCodecs = Array.Empty<string>();
+            SupportedSubtitleCodecs = Array.Empty<string>();
         }
 
-        private TranscodeReason[] _transcodeReasons = null;
         public TranscodeReason[] TranscodeReasons
         {
             get
@@ -77,6 +56,46 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
         }
 
+        public IProgress<double> Progress { get; set; }
+
+        public MediaStream VideoStream { get; set; }
+
+        public VideoType VideoType { get; set; }
+
+        public Dictionary<string, string> RemoteHttpHeaders { get; set; }
+
+        public string OutputVideoCodec { get; set; }
+
+        public MediaProtocol InputProtocol { get; set; }
+
+        public string MediaPath { get; set; }
+
+        public bool IsInputVideo { get; set; }
+
+        public string OutputAudioCodec { get; set; }
+
+        public int? OutputVideoBitrate { get; set; }
+
+        public MediaStream SubtitleStream { get; set; }
+
+        public SubtitleDeliveryMethod SubtitleDeliveryMethod { get; set; }
+
+        public string[] SupportedSubtitleCodecs { get; set; }
+
+        public int InternalSubtitleStreamOffset { get; set; }
+
+        public MediaSourceInfo MediaSource { get; set; }
+
+        public User User { get; set; }
+
+        public long? RunTimeTicks { get; set; }
+
+        public bool ReadInputAtNativeFramerate { get; set; }
+
+        public string OutputFilePath { get; set; }
+
+        public string MimeType { get; set; }
+
         public bool IgnoreInputDts => MediaSource.IgnoreDts;
 
         public bool IgnoreInputIndex => MediaSource.IgnoreIndex;
@@ -112,202 +131,34 @@ namespace MediaBrowser.Controller.MediaEncoding
         public string AlbumCoverPath { get; set; }
 
         public string InputAudioSync { get; set; }
+
         public string InputVideoSync { get; set; }
+
         public TransportStreamTimestamp InputTimestamp { get; set; }
 
         public MediaStream AudioStream { get; set; }
+
         public string[] SupportedAudioCodecs { get; set; }
+
         public string[] SupportedVideoCodecs { get; set; }
+
         public string InputContainer { get; set; }
+
         public IsoType? IsoType { get; set; }
 
         public BaseEncodingJobOptions BaseRequest { get; set; }
 
-        public long? StartTimeTicks => BaseRequest.StartTimeTicks;
-
-        public bool CopyTimestamps => BaseRequest.CopyTimestamps;
-
-        public int? OutputAudioBitrate;
-        public int? OutputAudioChannels;
-
-        public bool DeInterlace(string videoCodec, bool forceDeinterlaceIfSourceIsInterlaced)
-        {
-            var videoStream = VideoStream;
-            var isInputInterlaced = videoStream != null && videoStream.IsInterlaced;
-
-            if (!isInputInterlaced)
-            {
-                return false;
-            }
-
-            // Support general param
-            if (BaseRequest.DeInterlace)
-            {
-                return true;
-            }
-
-            if (!string.IsNullOrEmpty(videoCodec))
-            {
-                if (string.Equals(BaseRequest.GetOption(videoCodec, "deinterlace"), "true", StringComparison.OrdinalIgnoreCase))
-                {
-                    return true;
-                }
-            }
-
-            return forceDeinterlaceIfSourceIsInterlaced && isInputInterlaced;
-        }
-
-        public string[] GetRequestedProfiles(string codec)
-        {
-            if (!string.IsNullOrEmpty(BaseRequest.Profile))
-            {
-                return BaseRequest.Profile.Split(new[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries);
-            }
-
-            if (!string.IsNullOrEmpty(codec))
-            {
-                var profile = BaseRequest.GetOption(codec, "profile");
-
-                if (!string.IsNullOrEmpty(profile))
-                {
-                    return profile.Split(new[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries);
-                }
-            }
-
-            return Array.Empty<string>();
-        }
-
-        public string GetRequestedLevel(string codec)
-        {
-            if (!string.IsNullOrEmpty(BaseRequest.Level))
-            {
-                return BaseRequest.Level;
-            }
-
-            if (!string.IsNullOrEmpty(codec))
-            {
-                return BaseRequest.GetOption(codec, "level");
-            }
-
-            return null;
-        }
-
-        public int? GetRequestedMaxRefFrames(string codec)
-        {
-            if (BaseRequest.MaxRefFrames.HasValue)
-            {
-                return BaseRequest.MaxRefFrames;
-            }
-
-            if (!string.IsNullOrEmpty(codec))
-            {
-                var value = BaseRequest.GetOption(codec, "maxrefframes");
-                if (!string.IsNullOrEmpty(value)
-                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
-                {
-                    return result;
-                }
-            }
-
-            return null;
-        }
-
-        public int? GetRequestedVideoBitDepth(string codec)
-        {
-            if (BaseRequest.MaxVideoBitDepth.HasValue)
-            {
-                return BaseRequest.MaxVideoBitDepth;
-            }
-
-            if (!string.IsNullOrEmpty(codec))
-            {
-                var value = BaseRequest.GetOption(codec, "videobitdepth");
-                if (!string.IsNullOrEmpty(value)
-                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
-                {
-                    return result;
-                }
-            }
-
-            return null;
-        }
-
-        public int? GetRequestedAudioBitDepth(string codec)
-        {
-            if (BaseRequest.MaxAudioBitDepth.HasValue)
-            {
-                return BaseRequest.MaxAudioBitDepth;
-            }
-
-            if (!string.IsNullOrEmpty(codec))
-            {
-                var value = BaseRequest.GetOption(codec, "audiobitdepth");
-                if (!string.IsNullOrEmpty(value)
-                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
-                {
-                    return result;
-                }
-            }
-
-            return null;
-        }
-
-        public int? GetRequestedAudioChannels(string codec)
-        {
-            if (BaseRequest.MaxAudioChannels.HasValue)
-            {
-                return BaseRequest.MaxAudioChannels;
-            }
-
-            if (BaseRequest.AudioChannels.HasValue)
-            {
-                return BaseRequest.AudioChannels;
-            }
-
-            if (!string.IsNullOrEmpty(codec))
-            {
-                var value = BaseRequest.GetOption(codec, "audiochannels");
-                if (!string.IsNullOrEmpty(value)
-                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
-                {
-                    return result;
-                }
-            }
-
-            return null;
-        }
-
         public bool IsVideoRequest { get; set; }
+
         public TranscodingJobType TranscodingType { get; set; }
 
-        public EncodingJobInfo(TranscodingJobType jobType)
-        {
-            TranscodingType = jobType;
-            RemoteHttpHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-            PlayableStreamFileNames = Array.Empty<string>();
-            SupportedAudioCodecs = Array.Empty<string>();
-            SupportedVideoCodecs = Array.Empty<string>();
-            SupportedSubtitleCodecs = Array.Empty<string>();
-        }
+        public long? StartTimeTicks => BaseRequest.StartTimeTicks;
+
+        public bool CopyTimestamps => BaseRequest.CopyTimestamps;
 
         public bool IsSegmentedLiveStream
             => TranscodingType != TranscodingJobType.Progressive && !RunTimeTicks.HasValue;
 
-        public bool EnableBreakOnNonKeyFrames(string videoCodec)
-        {
-            if (TranscodingType != TranscodingJobType.Progressive)
-            {
-                if (IsSegmentedLiveStream)
-                {
-                    return false;
-                }
-
-                return BaseRequest.BreakOnNonKeyFrames && string.Equals(videoCodec, "copy", StringComparison.OrdinalIgnoreCase);
-            }
-
-            return false;
-        }
-
         public int? TotalOutputBitrate => (OutputAudioBitrate ?? 0) + (OutputVideoBitrate ?? 0);
 
         public int? OutputWidth
@@ -316,13 +167,10 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (VideoStream != null && VideoStream.Width.HasValue && VideoStream.Height.HasValue)
                 {
-                    var size = new ImageDimensions
-                    {
-                        Width = VideoStream.Width.Value,
-                        Height = VideoStream.Height.Value
-                    };
+                    var size = new ImageDimensions(VideoStream.Width.Value, VideoStream.Height.Value);
 
-                    var newSize = DrawingUtils.Resize(size,
+                    var newSize = DrawingUtils.Resize(
+                        size,
                         BaseRequest.Width ?? 0,
                         BaseRequest.Height ?? 0,
                         BaseRequest.MaxWidth ?? 0,
@@ -346,13 +194,10 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 if (VideoStream != null && VideoStream.Width.HasValue && VideoStream.Height.HasValue)
                 {
-                    var size = new ImageDimensions
-                    {
-                        Width = VideoStream.Width.Value,
-                        Height = VideoStream.Height.Value
-                    };
+                    var size = new ImageDimensions(VideoStream.Width.Value, VideoStream.Height.Value);
 
-                    var newSize = DrawingUtils.Resize(size,
+                    var newSize = DrawingUtils.Resize(
+                        size,
                         BaseRequest.Width ?? 0,
                         BaseRequest.Height ?? 0,
                         BaseRequest.MaxWidth ?? 0,
@@ -374,19 +219,19 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputAudioCodec))
                 {
                     if (AudioStream != null)
                     {
                         return AudioStream.SampleRate;
                     }
                 }
-
                 else if (BaseRequest.AudioSampleRate.HasValue)
                 {
                     // Don't exceed what the encoder supports
                     // Seeing issues of attempting to encode to 88200
-                    return Math.Min(44100, BaseRequest.AudioSampleRate.Value);
+                    return BaseRequest.AudioSampleRate.Value;
                 }
 
                 return null;
@@ -397,7 +242,8 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputAudioCodec))
                 {
                     if (AudioStream != null)
                     {
@@ -405,25 +251,18 @@ namespace MediaBrowser.Controller.MediaEncoding
                     }
                 }
 
-                //else if (BaseRequest.AudioSampleRate.HasValue)
-                //{
-                //    // Don't exceed what the encoder supports
-                //    // Seeing issues of attempting to encode to 88200
-                //    return Math.Min(44100, BaseRequest.AudioSampleRate.Value);
-                //}
-
                 return null;
             }
         }
 
         /// <summary>
-        /// Predicts the audio sample rate that will be in the output stream
+        /// Gets the target video level.
         /// </summary>
         public double? TargetVideoLevel
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.Level;
                 }
@@ -440,13 +279,14 @@ namespace MediaBrowser.Controller.MediaEncoding
         }
 
         /// <summary>
-        /// Predicts the audio sample rate that will be in the output stream
+        /// Gets the target video bit depth.
         /// </summary>
         public int? TargetVideoBitDepth
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.BitDepth;
                 }
@@ -463,7 +303,8 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.RefFrames;
                 }
@@ -473,13 +314,14 @@ namespace MediaBrowser.Controller.MediaEncoding
         }
 
         /// <summary>
-        /// Predicts the audio sample rate that will be in the output stream
+        /// Gets the target framerate.
         /// </summary>
         public float? TargetFramerate
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream == null ? null : (VideoStream.AverageFrameRate ?? VideoStream.RealFrameRate);
                 }
@@ -504,13 +346,13 @@ namespace MediaBrowser.Controller.MediaEncoding
         }
 
         /// <summary>
-        /// Predicts the audio sample rate that will be in the output stream
+        /// Gets the target packet length.
         /// </summary>
         public int? TargetPacketLength
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.PacketLength;
                 }
@@ -520,13 +362,13 @@ namespace MediaBrowser.Controller.MediaEncoding
         }
 
         /// <summary>
-        /// Predicts the audio sample rate that will be in the output stream
+        /// Gets the target video profile.
         /// </summary>
         public string TargetVideoProfile
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.Profile;
                 }
@@ -545,7 +387,8 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.CodecTag;
                 }
@@ -558,7 +401,8 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.IsAnamorphic;
                 }
@@ -571,14 +415,17 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                var codec = OutputVideoCodec;
+                if (VideoStream == null)
+                {
+                    return null;
+                }
 
-                if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
-                    return VideoStream?.Codec;
+                    return VideoStream.Codec;
                 }
 
-                return codec;
+                return OutputVideoCodec;
             }
         }
 
@@ -586,14 +433,17 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                var codec = OutputAudioCodec;
+                if (AudioStream == null)
+                {
+                    return null;
+                }
 
-                if (string.Equals(codec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (EncodingHelper.IsCopyCodec(OutputAudioCodec))
                 {
-                    return AudioStream?.Codec;
+                    return AudioStream.Codec;
                 }
 
-                return codec;
+                return OutputAudioCodec;
             }
         }
 
@@ -601,7 +451,8 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static
+                    || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.IsInterlaced;
                 }
@@ -619,7 +470,7 @@ namespace MediaBrowser.Controller.MediaEncoding
         {
             get
             {
-                if (BaseRequest.Static || string.Equals(OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase))
+                if (BaseRequest.Static || EncodingHelper.IsCopyCodec(OutputVideoCodec))
                 {
                     return VideoStream?.IsAVC;
                 }
@@ -636,6 +487,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 {
                     return GetMediaStreamCount(MediaStreamType.Video, int.MaxValue);
                 }
+
                 return GetMediaStreamCount(MediaStreamType.Video, 1);
             }
         }
@@ -648,16 +500,26 @@ namespace MediaBrowser.Controller.MediaEncoding
                 {
                     return GetMediaStreamCount(MediaStreamType.Audio, int.MaxValue);
                 }
+
                 return GetMediaStreamCount(MediaStreamType.Audio, 1);
             }
         }
 
-        public int HlsListSize
+        public int HlsListSize => 0;
+
+        public bool EnableBreakOnNonKeyFrames(string videoCodec)
         {
-            get
+            if (TranscodingType != TranscodingJobType.Progressive)
             {
-                return 0;
+                if (IsSegmentedLiveStream)
+                {
+                    return false;
+                }
+
+                return BaseRequest.BreakOnNonKeyFrames && EncodingHelper.IsCopyCodec(videoCodec);
             }
+
+            return false;
         }
 
         private int? GetMediaStreamCount(MediaStreamType type, int limit)
@@ -672,33 +534,176 @@ namespace MediaBrowser.Controller.MediaEncoding
             return count;
         }
 
-        public IProgress<double> Progress { get; set; }
-        public virtual void ReportTranscodingProgress(TimeSpan? transcodingPosition, float framerate, double? percentComplete, long bytesTranscoded, int? bitRate)
+        public string GetMimeType(string outputPath, bool enableStreamDefault = true)
         {
-            Progress.Report(percentComplete.Value);
+            if (!string.IsNullOrEmpty(MimeType))
+            {
+                return MimeType;
+            }
+
+            if (enableStreamDefault)
+            {
+                return MimeTypes.GetMimeType(outputPath);
+            }
+
+            return MimeTypes.GetMimeType(outputPath, null);
         }
 
-        public virtual void Dispose()
+        public bool DeInterlace(string videoCodec, bool forceDeinterlaceIfSourceIsInterlaced)
         {
+            var videoStream = VideoStream;
+            var isInputInterlaced = videoStream != null && videoStream.IsInterlaced;
+
+            if (!isInputInterlaced)
+            {
+                return false;
+            }
+
+            // Support general param
+            if (BaseRequest.DeInterlace)
+            {
+                return true;
+            }
+
+            if (!string.IsNullOrEmpty(videoCodec))
+            {
+                if (string.Equals(BaseRequest.GetOption(videoCodec, "deinterlace"), "true", StringComparison.OrdinalIgnoreCase))
+                {
+                    return true;
+                }
+            }
+
+            return forceDeinterlaceIfSourceIsInterlaced;
         }
-    }
 
-    /// <summary>
-    /// Enum TranscodingJobType
-    /// </summary>
-    public enum TranscodingJobType
-    {
-        /// <summary>
-        /// The progressive
-        /// </summary>
-        Progressive,
-        /// <summary>
-        /// The HLS
-        /// </summary>
-        Hls,
-        /// <summary>
-        /// The dash
-        /// </summary>
-        Dash
+        public string[] GetRequestedProfiles(string codec)
+        {
+            if (!string.IsNullOrEmpty(BaseRequest.Profile))
+            {
+                return BaseRequest.Profile.Split(new[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries);
+            }
+
+            if (!string.IsNullOrEmpty(codec))
+            {
+                var profile = BaseRequest.GetOption(codec, "profile");
+
+                if (!string.IsNullOrEmpty(profile))
+                {
+                    return profile.Split(new[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries);
+                }
+            }
+
+            return Array.Empty<string>();
+        }
+
+        public string GetRequestedLevel(string codec)
+        {
+            if (!string.IsNullOrEmpty(BaseRequest.Level))
+            {
+                return BaseRequest.Level;
+            }
+
+            if (!string.IsNullOrEmpty(codec))
+            {
+                return BaseRequest.GetOption(codec, "level");
+            }
+
+            return null;
+        }
+
+        public int? GetRequestedMaxRefFrames(string codec)
+        {
+            if (BaseRequest.MaxRefFrames.HasValue)
+            {
+                return BaseRequest.MaxRefFrames;
+            }
+
+            if (!string.IsNullOrEmpty(codec))
+            {
+                var value = BaseRequest.GetOption(codec, "maxrefframes");
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                {
+                    return result;
+                }
+            }
+
+            return null;
+        }
+
+        public int? GetRequestedVideoBitDepth(string codec)
+        {
+            if (BaseRequest.MaxVideoBitDepth.HasValue)
+            {
+                return BaseRequest.MaxVideoBitDepth;
+            }
+
+            if (!string.IsNullOrEmpty(codec))
+            {
+                var value = BaseRequest.GetOption(codec, "videobitdepth");
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                {
+                    return result;
+                }
+            }
+
+            return null;
+        }
+
+        public int? GetRequestedAudioBitDepth(string codec)
+        {
+            if (BaseRequest.MaxAudioBitDepth.HasValue)
+            {
+                return BaseRequest.MaxAudioBitDepth;
+            }
+
+            if (!string.IsNullOrEmpty(codec))
+            {
+                var value = BaseRequest.GetOption(codec, "audiobitdepth");
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                {
+                    return result;
+                }
+            }
+
+            return null;
+        }
+
+        public int? GetRequestedAudioChannels(string codec)
+        {
+            if (!string.IsNullOrEmpty(codec))
+            {
+                var value = BaseRequest.GetOption(codec, "audiochannels");
+                if (!string.IsNullOrEmpty(value)
+                    && int.TryParse(value, NumberStyles.Any, CultureInfo.InvariantCulture, out var result))
+                {
+                    return result;
+                }
+            }
+
+            if (BaseRequest.MaxAudioChannels.HasValue)
+            {
+                return BaseRequest.MaxAudioChannels;
+            }
+
+            if (BaseRequest.AudioChannels.HasValue)
+            {
+                return BaseRequest.AudioChannels;
+            }
+
+            if (BaseRequest.TranscodingMaxAudioChannels.HasValue)
+            {
+                return BaseRequest.TranscodingMaxAudioChannels;
+            }
+
+            return null;
+        }
+
+        public virtual void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
+        {
+            Progress.Report(percentComplete.Value);
+        }
     }
 }