From 255f5a6707be9c7c4a7124b50c4083b4a5a92899 Mon Sep 17 00:00:00 2001 From: nyanmisaka Date: Wed, 15 Jun 2022 23:27:49 +0800 Subject: [PATCH] Fix the int overflow issue in encoder bufsize --- Jellyfin.Api/Helpers/DynamicHlsHelper.cs | 2 +- MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs index 02af2e4353..83c9141a93 100644 --- a/Jellyfin.Api/Helpers/DynamicHlsHelper.cs +++ b/Jellyfin.Api/Helpers/DynamicHlsHelper.cs @@ -216,7 +216,7 @@ namespace Jellyfin.Api.Helpers var sdrVideoUrl = ReplaceProfile(playlistUrl, "hevc", string.Join(',', requestedVideoProfiles), "main"); sdrVideoUrl += "&AllowVideoStreamCopy=false"; - var sdrOutputVideoBitrate = _encodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec) ?? 0; + var sdrOutputVideoBitrate = _encodingHelper.GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream, state.OutputVideoCodec); var sdrOutputAudioBitrate = _encodingHelper.GetAudioBitrateParam(state.VideoRequest, state.AudioStream) ?? 0; var sdrTotalBitrate = sdrOutputAudioBitrate + sdrOutputVideoBitrate; diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index 1755b872f4..5bf6dad7ad 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -1893,7 +1893,7 @@ namespace MediaBrowser.Controller.MediaEncoding return request.EnableAutoStreamCopy; } - public int? GetVideoBitrateParamValue(BaseEncodingJobOptions request, MediaStream videoStream, string outputVideoCodec) + public int GetVideoBitrateParamValue(BaseEncodingJobOptions request, MediaStream videoStream, string outputVideoCodec) { var bitrate = request.VideoBitRate; @@ -1925,7 +1925,8 @@ namespace MediaBrowser.Controller.MediaEncoding } } - return bitrate; + // Cap the max target bitrate to intMax/2 to satisify the bufsize=bitrate*2. + return Math.Min(bitrate ?? 0, int.MaxValue / 2); } private int GetMinBitrate(int sourceBitrate, int requestedBitrate)