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-rw-r--r--doc/formats.texi22
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/formats.texi b/doc/formats.texi
index a992506ac1..729c77b01d 100644
--- a/doc/formats.texi
+++ b/doc/formats.texi
@@ -224,6 +224,28 @@ would require too many resources due to a large number of streams.
@item skip_estimate_duration_from_pts @var{bool} (@emph{input})
Skip estimation of input duration when calculated using PTS.
At present, applicable for MPEG-PS and MPEG-TS.
+
+@item strict, f_strict @var{integer} (@emph{input/output})
+Specify how strictly to follow the standards. @code{f_strict} is deprecated and
+should be used only via the @command{ffmpeg} tool.
+
+Possible values:
+@table @samp
+@item very
+strictly conform to an older more strict version of the spec or reference software
+@item strict
+strictly conform to all the things in the spec no matter what consequences
+@item normal
+
+@item unofficial
+allow unofficial extensions
+@item experimental
+allow non standardized experimental things, experimental
+(unfinished/work in progress/not well tested) decoders and encoders.
+Note: experimental decoders can pose a security risk, do not use this for
+decoding untrusted input.
+@end table
+
@end table
@c man end FORMAT OPTIONS