1 files changed, 145 insertions, 0 deletions
diff --git a/Jellyfin.Api/Models/StreamState.cs b/Jellyfin.Api/Models/StreamState.cs
new file mode 100644
index 000000000..9fe5f52c3
--- /dev/null
+++ b/Jellyfin.Api/Models/StreamState.cs
@@ -0,0 +1,145 @@
+using System;
+using Jellyfin.Api.Helpers;
+using Jellyfin.Api.Models.PlaybackDtos;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Model.Dlna;
+
+namespace Jellyfin.Api.Models
+{
+    public class StreamState : EncodingJobInfo, IDisposable
+    {
+        private readonly IMediaSourceManager _mediaSourceManager;
+        private bool _disposed = false;
+
+        public string RequestedUrl { get; set; }
+
+        public StreamRequest Request
+        {
+            get => (StreamRequest)BaseRequest;
+            set
+            {
+                BaseRequest = value;
+
+                IsVideoRequest = VideoRequest != null;
+            }
+        }
+
+        public TranscodingThrottler TranscodingThrottler { get; set; }
+
+        public VideoStreamRequest VideoRequest => Request as VideoStreamRequest;
+
+        public IDirectStreamProvider DirectStreamProvider { get; set; }
+
+        public string WaitForPath { get; set; }
+
+        public bool IsOutputVideo => Request is VideoStreamRequest;
+
+        public int SegmentLength
+        {
+            get
+            {
+                if (Request.SegmentLength.HasValue)
+                {
+                    return Request.SegmentLength.Value;
+                }
+
+                if (EncodingHelper.IsCopyCodec(OutputVideoCodec))
+                {
+                    var userAgent = UserAgent ?? string.Empty;
+
+                    if (userAgent.IndexOf("AppleTV", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("ipad", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("iphone", StringComparison.OrdinalIgnoreCase) != -1 ||
+                        userAgent.IndexOf("ipod", StringComparison.OrdinalIgnoreCase) != -1)
+                    {
+                        if (IsSegmentedLiveStream)
+                        {
+                            return 6;
+                        }
+
+                        return 6;
+                    }
+
+                    if (IsSegmentedLiveStream)
+                    {
+                        return 3;
+                    }
+
+                    return 6;
+                }
+
+                return 3;
+            }
+        }
+
+        public int MinSegments
+        {
+            get
+            {
+                if (Request.MinSegments.HasValue)
+                {
+                    return Request.MinSegments.Value;
+                }
+
+                return SegmentLength >= 10 ? 2 : 3;
+            }
+        }
+
+        public string UserAgent { get; set; }
+
+        public bool EstimateContentLength { get; set; }
+
+        public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
+
+        public bool EnableDlnaHeaders { get; set; }
+
+        public DeviceProfile DeviceProfile { get; set; }
+
+        public TranscodingJobDto TranscodingJob { get; set; }
+
+        public StreamState(IMediaSourceManager mediaSourceManager, TranscodingJobType transcodingType)
+            : base(transcodingType)
+        {
+            _mediaSourceManager = mediaSourceManager;
+        }
+
+        public override void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
+        {
+            TranscodingJobHelper.ReportTranscodingProgress(TranscodingJob, this, transcodingPosition, framerate, percentComplete, bytesTranscoded, bitRate);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (disposing)
+            {
+                // REVIEW: Is this the right place for this?
+                if (MediaSource.RequiresClosing
+                    && string.IsNullOrWhiteSpace(Request.LiveStreamId)
+                    && !string.IsNullOrWhiteSpace(MediaSource.LiveStreamId))
+                {
+                    _mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId).GetAwaiter().GetResult();
+                }
+
+                TranscodingThrottler?.Dispose();
+            }
+
+            TranscodingThrottler = null;
+            TranscodingJob = null;
+
+            _disposed = true;
+        }
+    }
+}