Add missing docs and remove duplicate function

Jellyfin.Api/Controllers/AudioController.cs

@@ -142,6 +142,7 @@ namespace Jellyfin.Api.Controllers
         /// <param name="videoStreamIndex">Optional. The index of the video stream to use. If omitted the first video stream will be used.</param>
         /// <param name="context">Optional. The <see cref="EncodingContext"/>.</param>
         /// <param name="streamOptions">Optional. The streaming options.</param>
+        /// <response code="200">Audio stream returned.</response>
         /// <returns>A <see cref="FileResult"/> containing the audio file.</returns>
         [HttpGet("{itemId}/{stream=stream}.{container?}")]
         [HttpGet("{itemId}/stream")]

Jellyfin.Api/Controllers/VideosController.cs

@@ -314,6 +314,7 @@ namespace Jellyfin.Api.Controllers
         /// <param name="videoStreamIndex">Optional. The index of the video stream to use. If omitted the first video stream will be used.</param>
         /// <param name="context">Optional. The <see cref="EncodingContext"/>.</param>
         /// <param name="streamOptions">Optional. The streaming options.</param>
+        /// <response code="200">Video stream returned.</response>
         /// <returns>A <see cref="FileResult"/> containing the audio file.</returns>
         [HttpGet("{itemId}/{stream=stream}.{container?}")]
         [HttpGet("{itemId}/stream")]

Jellyfin.Api/Helpers/TranscodingJobHelper.cs

@@ -726,20 +726,6 @@ namespace Jellyfin.Api.Helpers
             }
         }
 
-        /// <summary>
-        /// Transcoding video finished. Decrement the active request counter.
-        /// </summary>
-        /// <param name="job">The <see cref="TranscodingJobDto"/> which ended.</param>
-        public void OnTranscodeEndRequest(TranscodingJobDto job)
-        {
-            job.ActiveRequestCount--;
-            _logger.LogDebug("OnTranscodeEndRequest job.ActiveRequestCount={0}", job.ActiveRequestCount);
-            if (job.ActiveRequestCount <= 0)
-            {
-                PingTimer(job, false);
-            }
-        }
-
         /// <summary>
         /// Processes the exited.
         /// </summary>