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-rw-r--r--doc/muxers.texi6
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diff --git a/doc/muxers.texi b/doc/muxers.texi
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--- a/doc/muxers.texi
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@@ -1117,6 +1117,12 @@ on the implicit end of the previous track fragment).
@item -write_tmcd
Specify @code{on} to force writing a timecode track, @code{off} to disable it
and @code{auto} to write a timecode track only for mov and mp4 output (default).
+@item -movflags negative_cts_offsets
+Enables utilization of version 1 of the CTTS box, in which the CTS offsets can
+be negative. This enables the initial sample to have DTS/CTS of zero, and
+reduces the need for edit lists for some cases such as video tracks with
+B-frames. Additionally, eases conformance with the DASH-IF interoperability
+guidelines.
@end table
@subsection Example