Fix A/V desync when resuming HLS with video transcode + audio copy (#16580)

Fix A/V desync when resuming HLS with video transcode + audio copy
2026-05-28 19:26:28 +02:00
parent ef9468e857
commit 8d544e4842
4 changed files with 153 additions and 28 deletions
@@ -7,11 +7,12 @@ namespace MediaBrowser.Model.Configuration
    public enum HlsAudioSeekStrategy
    {
        /// <summary>
-        /// If the video stream is transcoded and the audio stream is copied,
-        /// seek the video stream to the same keyframe as the audio stream. The
-        /// resulting timestamps in the output streams may be inaccurate.
+        /// When video is transcoded and audio is copied, use a bitstream filter
+        /// to drop copied audio packets before the seek point, aligning them
+        /// with the accurately-seeked video. Timestamps are accurate and audio
+        /// remains stream-copied (no re-encoding overhead).
        /// </summary>
-        DisableAccurateSeek = 0,
+        TrimCopiedAudio = 0,

        /// <summary>
        /// Prevent audio streams from being copied if the video stream is transcoded.