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@@ -3406,6 +3406,12 @@ Demuxer
See ``--demuxer-mkv-subtitle-preroll``.
+ Check the start time of Matroska files (default: yes). This simply reads the
+ first cluster timestamps and assumes it is the start time. Technically, this
+ also reads the first timestamp, which may increase latency by one frame
+ (which may be relevant for live streams).
When opening the file, seek to the end of it, and check what timestamp the
last video packet has, and report that as file duration. This is strictly