From b82a2ced75484c4805e927178bac0702d2713f71 Mon Sep 17 00:00:00 2001 From: nyanmisaka Date: Mon, 23 Mar 2026 17:06:22 -0400 Subject: [PATCH] Backport pull request #16423 from jellyfin/release-10.11.z Fix readrate options in FFmpeg 8.1 Original-merge: 29b236185701091f6719862b05bd7bda58d88475 Merged-by: Bond-009 Backported-by: Bond_009 --- .../MediaEncoding/EncodingHelper.cs | 13 ++++++++++++- src/Jellyfin.LiveTv/IO/EncodedRecorder.cs | 7 +++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index c7b11f47d1..21d4c36f68 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -85,6 +85,7 @@ namespace MediaBrowser.Controller.MediaEncoding private readonly Version _minFFmpegVaapiDeviceVendorId = new Version(7, 0, 1); private readonly Version _minFFmpegQsvVppScaleModeOption = new Version(6, 0); private readonly Version _minFFmpegRkmppHevcDecDoviRpu = new Version(7, 1, 1); + private readonly Version _minFFmpegReadrateCatchupOption = new Version(8, 0); private static readonly Regex _containerValidationRegex = new(ContainerValidationRegex, RegexOptions.Compiled); @@ -7226,8 +7227,10 @@ namespace MediaBrowser.Controller.MediaEncoding inputModifier += GetVideoSyncOption(state.InputVideoSync, _mediaEncoder.EncoderVersion); } + int readrate = 0; if (state.ReadInputAtNativeFramerate && state.InputProtocol != MediaProtocol.Rtsp) { + readrate = 1; inputModifier += " -re"; } else if (encodingOptions.EnableSegmentDeletion @@ -7238,7 +7241,15 @@ namespace MediaBrowser.Controller.MediaEncoding { // Set an input read rate limit 10x for using SegmentDeletion with stream-copy // to prevent ffmpeg from exiting prematurely (due to fast drive) - inputModifier += " -readrate 10"; + readrate = 10; + inputModifier += $" -readrate {readrate}"; + } + + // Set a larger catchup value to revert to the old behavior, + // otherwise, remuxing might stall due to this new option + if (readrate > 0 && _mediaEncoder.EncoderVersion >= _minFFmpegReadrateCatchupOption) + { + inputModifier += $" -readrate_catchup {readrate * 100}"; } var flags = new List(); diff --git a/src/Jellyfin.LiveTv/IO/EncodedRecorder.cs b/src/Jellyfin.LiveTv/IO/EncodedRecorder.cs index be7ff52977..d877a0d124 100644 --- a/src/Jellyfin.LiveTv/IO/EncodedRecorder.cs +++ b/src/Jellyfin.LiveTv/IO/EncodedRecorder.cs @@ -156,6 +156,13 @@ namespace Jellyfin.LiveTv.IO if (mediaSource.ReadAtNativeFramerate) { inputModifier += " -re"; + + // Set a larger catchup value to revert to the old behavior, + // otherwise, remuxing might stall due to this new option + if (_mediaEncoder.EncoderVersion >= new Version(8, 0)) + { + inputModifier += " -readrate_catchup 100"; + } } if (mediaSource.RequiresLooping)