expose max_muxing_queue_size to user

Jellyfin.Api/Controllers/DynamicHlsController.cs

@@ -1354,15 +1354,20 @@ namespace Jellyfin.Api.Controllers
                 segmentFormat = "mpegts";
             }
 
+            var maxMuxingQueueSize = encodingOptions.MaxMuxingQueueSize >= 128 && encodingOptions.MaxMuxingQueueSize <= int.MaxValue
+                ? encodingOptions.MaxMuxingQueueSize.ToString(CultureInfo.InvariantCulture)
+                : "128";
+
             return string.Format(
                 CultureInfo.InvariantCulture,
-                "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -copyts -avoid_negative_ts disabled -max_muxing_queue_size 2048 -f hls -max_delay 5000000 -hls_time {6} -individual_header_trailer 0 -hls_segment_type {7} -start_number {8} -hls_segment_filename \"{9}\" -hls_playlist_type vod -hls_list_size 0 -y \"{10}\"",
+                "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -copyts -avoid_negative_ts disabled -max_muxing_queue_size {6} -f hls -max_delay 5000000 -hls_time {7} -individual_header_trailer 0 -hls_segment_type {8} -start_number {9} -hls_segment_filename \"{10}\" -hls_playlist_type vod -hls_list_size 0 -y \"{11}\"",
                 inputModifier,
                 _encodingHelper.GetInputArgument(state, encodingOptions),
                 threads,
                 mapArgs,
                 GetVideoArguments(state, encodingOptions, startNumber),
                 GetAudioArguments(state, encodingOptions),
+                maxMuxingQueueSize,
                 state.SegmentLength.ToString(CultureInfo.InvariantCulture),
                 segmentFormat,
                 startNumberParam,

MediaBrowser.Model/Configuration/EncodingOptions.cs

@@ -11,6 +11,8 @@ namespace MediaBrowser.Model.Configuration
 
         public double DownMixAudioBoost { get; set; }
 
+        public int MaxMuxingQueueSize { get; set; }
+
         public bool EnableThrottling { get; set; }
 
         public int ThrottleDelaySeconds { get; set; }
@@ -50,6 +52,7 @@ namespace MediaBrowser.Model.Configuration
         public EncodingOptions()
         {
             DownMixAudioBoost = 2;
+            MaxMuxingQueueSize = 2048;
             EnableThrottling = false;
             ThrottleDelaySeconds = 180;
             EncodingThreadCount = -1;