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new d26ba5377d doc/muxers: document undocumented segment muxer options
d26ba5377d is described below
commit d26ba5377d7775d89202a59b6888ba6baa020a3c
Author: Bogdan Lisman <[email protected]>
AuthorDate: Mon Jun 15 02:27:17 2026 +0300
Commit: Gyan Doshi <[email protected]>
CommitDate: Sat Jun 27 04:03:37 2026 +0000
doc/muxers: document undocumented segment muxer options
write_header_trailer, individual_header_trailer, segment_header_filename and
segment_wrap_number had no documentation. Describe each option and the ways
they constrain one another.
Signed-off-by: Bogdan Lisman <[email protected]>
---
doc/muxers.texi | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/doc/muxers.texi b/doc/muxers.texi
index 03f0bcd24d..9a579ebebf 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -3550,6 +3550,13 @@ Wrap around segment index once it reaches @var{limit}.
@item segment_start_number @var{number}
Set the sequence number of the first segment. Defaults to @code{0}.
+@item segment_wrap_number @var{number}
+Set the number of times the segment index is assumed to have already wrapped
+when generating the indexes reported in the segment list. Together with
+@option{segment_wrap} and @option{segment_start_number} it offsets the reported
+index, which is computed as @code{segment_start_number + segment_wrap *
+segment_wrap_number}. Defaults to @code{0}.
+
@item strftime @var{1|0}
Use the @code{strftime} function to define the name of the new
segments to write. If this is selected, the output segment name must
@@ -3576,6 +3583,25 @@ argument must be a time duration specification, and
defaults to 0.
If enabled, write an empty segment if there are no packets during the period a
segment would usually span. Otherwise, the segment will be filled with the next
packet written. Defaults to @code{0}.
+
+@item write_header_trailer @var{bool}
+Write a header to the first segment and a trailer to the last one, instead of
+writing a header and a trailer to every individual segment. Disabling it
+(@code{false}) also forces @option{individual_header_trailer} to @code{false},
+so that no segment is given a header or trailer. Default value is @code{true}.
+
+@item individual_header_trailer @var{bool}
+If enabled, write a complete header and trailer to every segment, making each
+segment an independently usable file. If disabled (@code{false}), only the
first
+segment is given a header and only the last one a trailer. It is forced to
+@code{false} when @option{write_header_trailer} is @code{false} or when
+@option{segment_header_filename} is set. Default value is @code{true}.
+
+@item segment_header_filename @var{name}
+Write the stream header to a separate file named @var{name} instead of storing
+it in the segments. Setting it forces @option{write_header_trailer} to
+@code{true} and @option{individual_header_trailer} to @code{false}, so the
+header is written only once, to @var{name}. Unset by default.
@end table
Make sure to require a closed GOP when encoding and to set the GOP
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