5 files changed, 32 insertions, 31 deletions
diff --git a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
index 3ead4626a..43f25145e 100644
--- a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
+++ b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
@@ -443,7 +443,7 @@ namespace MediaBrowser.Api.Playback.Hls
                 var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath, segmentExtension);
 
                 // If requested segment is less than transcoding position, we can't transcode backwards, so assume it's ready
-                if (segmentIndex != currentTranscodingIndex)
+                if (segmentIndex < currentTranscodingIndex)
                 {
                     return await GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob).ConfigureAwait(false);
                 }
@@ -890,6 +890,11 @@ namespace MediaBrowser.Api.Playback.Hls
                 args += " -copyts";
             }
 
+            if (!string.IsNullOrEmpty(state.OutputVideoSync))
+            {
+                args += " -vsync " + state.OutputVideoSync;
+            }
+
             return args;
         }
 
@@ -932,7 +937,7 @@ namespace MediaBrowser.Api.Playback.Hls
                 }
 
                 var videoCodec = EncodingHelper.GetVideoEncoder(state, ApiEntryPoint.Instance.GetEncodingOptions());
-                var breakOnNonKeyFrames = state.Request.BreakOnNonKeyFrames && string.Equals(videoCodec, "copy", StringComparison.OrdinalIgnoreCase);
+                var breakOnNonKeyFrames = state.EnableBreakOnNonKeyFrames(videoCodec);
 
                 var breakOnNonKeyFramesArg = breakOnNonKeyFrames ? " -break_non_keyframes 1" : "";
 
diff --git a/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs b/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs
index 03291670b..ae049a83a 100644
--- a/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs
+++ b/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs
@@ -6,6 +6,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Services;
 
diff --git a/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs b/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
index 8b828ddfe..71b1dc1b1 100644
--- a/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
+++ b/MediaBrowser.Api/Playback/Hls/VideoHlsService.cs
@@ -85,36 +85,42 @@ namespace MediaBrowser.Api.Playback.Hls
             if (codec.Equals("copy", StringComparison.OrdinalIgnoreCase))
             {
                 // if h264_mp4toannexb is ever added, do not use it for live tv
-                if (state.VideoStream != null && EncodingHelper.IsH264(state.VideoStream) && !string.Equals(state.VideoStream.NalLengthSize, "0", StringComparison.OrdinalIgnoreCase))
+                if (state.VideoStream != null && EncodingHelper.IsH264(state.VideoStream) &&
+                    !string.Equals(state.VideoStream.NalLengthSize, "0", StringComparison.OrdinalIgnoreCase))
                 {
                     args += " -bsf:v h264_mp4toannexb";
                 }
-                args += " -flags -global_header";
-                return args;
             }
+            else
+            {
+                var keyFrameArg = string.Format(" -force_key_frames \"expr:gte(t,n_forced*{0})\"",
+                    state.SegmentLength.ToString(UsCulture));
 
-            var keyFrameArg = string.Format(" -force_key_frames \"expr:gte(t,n_forced*{0})\"",
-                state.SegmentLength.ToString(UsCulture));
+                var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
 
-            var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
+                var encodingOptions = ApiEntryPoint.Instance.GetEncodingOptions();
+                args += " " + EncodingHelper.GetVideoQualityParam(state, codec, encodingOptions, GetDefaultH264Preset()) + keyFrameArg;
 
-            var encodingOptions = ApiEntryPoint.Instance.GetEncodingOptions();
-            args += " " + EncodingHelper.GetVideoQualityParam(state, codec, encodingOptions, GetDefaultH264Preset()) + keyFrameArg;
+                // Add resolution params, if specified
+                if (!hasGraphicalSubs)
+                {
+                    args += EncodingHelper.GetOutputSizeParam(state, codec);
+                }
 
-            // Add resolution params, if specified
-            if (!hasGraphicalSubs)
-            {
-                args += EncodingHelper.GetOutputSizeParam(state, codec);
+                // This is for internal graphical subs
+                if (hasGraphicalSubs)
+                {
+                    args += EncodingHelper.GetGraphicalSubtitleParam(state, codec);
+                }
             }
 
-            // This is for internal graphical subs
-            if (hasGraphicalSubs)
+            args += " -flags -global_header";
+
+            if (!string.IsNullOrEmpty(state.OutputVideoSync))
             {
-                args += EncodingHelper.GetGraphicalSubtitleParam(state, codec);
+                args += " -vsync " + state.OutputVideoSync;
             }
 
-            args += " -flags -global_header";
-
             return args;
         }
 
diff --git a/MediaBrowser.Api/Playback/StreamRequest.cs b/MediaBrowser.Api/Playback/StreamRequest.cs
index d02b4bae6..176b68f37 100644
--- a/MediaBrowser.Api/Playback/StreamRequest.cs
+++ b/MediaBrowser.Api/Playback/StreamRequest.cs
@@ -42,7 +42,6 @@ namespace MediaBrowser.Api.Playback
 
         public int? SegmentLength { get; set; }
         public int? MinSegments { get; set; }
-        public bool BreakOnNonKeyFrames { get; set; }
     }
 
     public class VideoStreamRequest : StreamRequest
diff --git a/MediaBrowser.Api/Playback/StreamState.cs b/MediaBrowser.Api/Playback/StreamState.cs
index 2f5f6227a..7f146466d 100644
--- a/MediaBrowser.Api/Playback/StreamState.cs
+++ b/MediaBrowser.Api/Playback/StreamState.cs
@@ -104,14 +104,6 @@ namespace MediaBrowser.Api.Playback
             }
         }
 
-        public bool IsSegmentedLiveStream
-        {
-            get
-            {
-                return TranscodingType != TranscodingJobType.Progressive && !RunTimeTicks.HasValue;
-            }
-        }
-
         public int HlsListSize
         {
             get
@@ -121,14 +113,12 @@ namespace MediaBrowser.Api.Playback
         }
 
         public string UserAgent { get; set; }
-        public TranscodingJobType TranscodingType { get; set; }
 
         public StreamState(IMediaSourceManager mediaSourceManager, ILogger logger, TranscodingJobType transcodingType) 
-            : base(logger)
+            : base(logger, transcodingType)
         {
             _mediaSourceManager = mediaSourceManager;
             _logger = logger;
-            TranscodingType = transcodingType;
         }
 
         public string MimeType { get; set; }