From 654dd2b7041bef596397567a3a934726a0cbc8ac Mon Sep 17 00:00:00 2001 From: gnattu Date: Sat, 25 May 2024 11:46:25 -0400 Subject: [PATCH] Backport pull request #11801 from jellyfin/release-10.9.z Force more compatible transcoding profile for LiveTV Original-merge: e7b1162cb30601297f987a6409a7d76b40aa74a6 Merged-by: crobibero Backported-by: Joshua M. Boniface --- Jellyfin.Api/Helpers/MediaInfoHelper.cs | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Jellyfin.Api/Helpers/MediaInfoHelper.cs b/Jellyfin.Api/Helpers/MediaInfoHelper.cs index 212d678a85..5faa7bc59d 100644 --- a/Jellyfin.Api/Helpers/MediaInfoHelper.cs +++ b/Jellyfin.Api/Helpers/MediaInfoHelper.cs @@ -385,6 +385,19 @@ public class MediaInfoHelper /// A containing the . public async Task OpenMediaSource(HttpContext httpContext, LiveStreamRequest request) { + // Enforce more restrictive transcoding profile for LiveTV due to compatability reasons + // Cap the MaxStreamingBitrate to 20Mbps, because we are unable to reliably probe source bitrate, + // which will cause the client to request extremely high bitrate that may fail the player/encoder + request.MaxStreamingBitrate = request.MaxStreamingBitrate > 20000000 ? 20000000 : request.MaxStreamingBitrate; + + if (request.DeviceProfile is not null) + { + // Remove all fmp4 transcoding profiles, because it causes playback error and/or A/V sync issues + // Notably: Some channels won't play on FireFox and LG webOs + // Some channels from HDHomerun will experience A/V sync issues + request.DeviceProfile.TranscodingProfiles = request.DeviceProfile.TranscodingProfiles.Where(p => !string.Equals(p.Container, "mp4", StringComparison.OrdinalIgnoreCase)).ToArray(); + } + var result = await _mediaSourceManager.OpenLiveStream(request, CancellationToken.None).ConfigureAwait(false); var profile = request.DeviceProfile;