From b32f15ab1e2b927a16bba85a500fdf55d88256c2 Mon Sep 17 00:00:00 2001 From: Bond-009 Date: Wed, 9 Dec 2020 14:37:44 +0100 Subject: [PATCH] Merge pull request #4751 from nyanmisaka/mpegts-batchsize (cherry picked from commit 9e601ba7317bd8948072ef1a60a7001b33b507a5) Signed-off-by: Joshua M. Boniface --- MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs index b1da9c712d..fbd08a97c7 100644 --- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs +++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs @@ -603,16 +603,19 @@ namespace MediaBrowser.MediaEncoding.Encoder } // Use ffmpeg to sample 100 (we can drop this if required using thumbnail=50 for 50 frames) frames and pick the best thumbnail. Have a fall back just in case. + // mpegts need larger batch size otherwise the corrupted thumbnail will be created. Larger batch size will lower the processing speed. var enableThumbnail = useIFrame && !string.Equals("wtv", container, StringComparison.OrdinalIgnoreCase); if (enableThumbnail) { + var useLargerBatchSize = string.Equals("mpegts", container, StringComparison.OrdinalIgnoreCase); + var batchSize = useLargerBatchSize ? "50" : "24"; if (string.IsNullOrEmpty(vf)) { - vf = "-vf thumbnail=24"; + vf = "-vf thumbnail=" + batchSize; } else { - vf += ",thumbnail=24"; + vf += ",thumbnail=" + batchSize; } }