assume interlaced for external plugins

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -1163,7 +1163,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 };
 
                 var isAudio = false;
-                await new LiveStreamHelper(_mediaEncoder, _logger).AddMediaInfoWithProbe(stream, isAudio, cancellationToken).ConfigureAwait(false);
+                await new LiveStreamHelper(_mediaEncoder, _logger).AddMediaInfoWithProbe(stream, isAudio, false, cancellationToken).ConfigureAwait(false);
 
                 return new List<MediaSourceInfo>
                 {

Emby.Server.Implementations/LiveTv/LiveStreamHelper.cs

@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Logging;
 
 namespace Emby.Server.Implementations.LiveTv
@@ -21,7 +22,7 @@ namespace Emby.Server.Implementations.LiveTv
             _logger = logger;
         }
 
-        public async Task AddMediaInfoWithProbe(MediaSourceInfo mediaSource, bool isAudio, CancellationToken cancellationToken)
+        public async Task AddMediaInfoWithProbe(MediaSourceInfo mediaSource, bool isAudio, bool assumeInterlaced, CancellationToken cancellationToken)
         {
             var originalRuntime = mediaSource.RunTimeTicks;
 
@@ -95,6 +96,17 @@ namespace Emby.Server.Implementations.LiveTv
                 videoStream.IsAVC = null;
             }
 
+            if (assumeInterlaced)
+            {
+                foreach (var mediaStream in mediaSource.MediaStreams)
+                {
+                    if (mediaStream.Type == MediaStreamType.Video)
+                    {
+                        mediaStream.IsInterlaced = true;
+                    }
+                }
+            }
+
             // Try to estimate this
             mediaSource.InferTotalBitrate(true);
         }

Emby.Server.Implementations/LiveTv/LiveTvManager.cs

@@ -246,9 +246,9 @@ namespace Emby.Server.Implementations.LiveTv
             return info.Item1;
         }
 
-        public async Task<Tuple<MediaSourceInfo, IDirectStreamProvider>> GetChannelStream(string id, string mediaSourceId, CancellationToken cancellationToken)
+        public Task<Tuple<MediaSourceInfo, IDirectStreamProvider, bool>> GetChannelStream(string id, string mediaSourceId, CancellationToken cancellationToken)
         {
-            return await GetLiveStream(id, mediaSourceId, true, cancellationToken).ConfigureAwait(false);
+            return GetLiveStream(id, mediaSourceId, true, cancellationToken);
         }
 
         private string GetItemExternalId(BaseItem item)
@@ -308,7 +308,7 @@ namespace Emby.Server.Implementations.LiveTv
             return _services.FirstOrDefault(i => string.Equals(i.Name, name, StringComparison.OrdinalIgnoreCase));
         }
 
-        private async Task<Tuple<MediaSourceInfo, IDirectStreamProvider>> GetLiveStream(string id, string mediaSourceId, bool isChannel, CancellationToken cancellationToken)
+        private async Task<Tuple<MediaSourceInfo, IDirectStreamProvider, bool>> GetLiveStream(string id, string mediaSourceId, bool isChannel, CancellationToken cancellationToken)
         {
             if (string.Equals(id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
             {
@@ -319,6 +319,7 @@ namespace Emby.Server.Implementations.LiveTv
             bool isVideo;
             ILiveTvService service;
             IDirectStreamProvider directStreamProvider = null;
+            var assumeInterlaced = false;
 
             if (isChannel)
             {
@@ -367,7 +368,12 @@ namespace Emby.Server.Implementations.LiveTv
 
             Normalize(info, service, isVideo);
 
-            return new Tuple<MediaSourceInfo, IDirectStreamProvider>(info, directStreamProvider);
+            if (!(service is EmbyTV.EmbyTV))
+            {
+                assumeInterlaced = true;
+            }
+
+            return new Tuple<MediaSourceInfo, IDirectStreamProvider, bool>(info, directStreamProvider, assumeInterlaced);
         }
 
         private void Normalize(MediaSourceInfo mediaSource, ILiveTvService service, bool isVideo)

Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs

@@ -126,12 +126,14 @@ namespace Emby.Server.Implementations.LiveTv
             var keys = openToken.Split(new[] { StreamIdDelimeter }, 3);
             var mediaSourceId = keys.Length >= 3 ? keys[2] : null;
             IDirectStreamProvider directStreamProvider = null;
+            var assumeInterlaced = false;
 
             if (string.Equals(keys[0], typeof(LiveTvChannel).Name, StringComparison.OrdinalIgnoreCase))
             {
                 var info = await _liveTvManager.GetChannelStream(keys[1], mediaSourceId, cancellationToken).ConfigureAwait(false);
                 stream = info.Item1;
                 directStreamProvider = info.Item2;
+                assumeInterlaced = info.Item3;
             }
             else
             {
@@ -146,7 +148,7 @@ namespace Emby.Server.Implementations.LiveTv
                 }
                 else
                 {
-                    await new LiveStreamHelper(_mediaEncoder, _logger).AddMediaInfoWithProbe(stream, isAudio, cancellationToken).ConfigureAwait(false);
+                    await new LiveStreamHelper(_mediaEncoder, _logger).AddMediaInfoWithProbe(stream, isAudio, assumeInterlaced, cancellationToken).ConfigureAwait(false);
                 }
             }
             catch (Exception ex)

MediaBrowser.Controller/LiveTv/ILiveTvManager.cs

@@ -157,7 +157,7 @@ namespace MediaBrowser.Controller.LiveTv
         /// <param name="mediaSourceId">The media source identifier.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task{StreamResponseInfo}.</returns>
-        Task<Tuple<MediaSourceInfo, IDirectStreamProvider>> GetChannelStream(string id, string mediaSourceId, CancellationToken cancellationToken);
+        Task<Tuple<MediaSourceInfo, IDirectStreamProvider, bool>> GetChannelStream(string id, string mediaSourceId, CancellationToken cancellationToken);
 
         /// <summary>
         /// Gets the program.