When used as an output option (before an output filename), stop writing the
output after its duration reaches @var{duration}.
-@var{duration} may be a number in seconds, or in @code{hh:mm:ss[.xxx]} form.
+@var{duration} must be a time duration specification,
+see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
-to and -t are mutually exclusive and -t has priority.
@item -to @var{position} (@emph{output})
Stop writing the output at @var{position}.
-@var{position} may be a number in seconds, or in @code{hh:mm:ss[.xxx]} form.
+@var{position} must be a time duration specification,
+see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
-to and -t are mutually exclusive and -t has priority.
When used as an output option (before an output filename), decodes but discards
input until the timestamps reach @var{position}.
-@var{position} may be either in seconds or in @code{hh:mm:ss[.xxx]} form.
+@var{position} must be a time duration specification,
+see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
@item -sseof @var{position} (@emph{input/output})
@item -timestamp @var{date} (@emph{output})
Set the recording timestamp in the container.
-@var{date} must be a time duration specification,
+@var{date} must be a date specification,
see @ref{date syntax,,the Date section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
@item -metadata[:metadata_specifier] @var{key}=@var{value} (@emph{output,per-metadata})
@item -sn
Disable subtitles.
@item -ss @var{pos}
-Seek to a given position in seconds.
+Seek to @var{pos}. Note that in most formats it is not possible to seek
+exactly, so @command{ffplay} will seek to the nearest seek point to
+@var{pos}.
+
+@var{pos} must be a time duration specification,
+see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
@item -t @var{duration}
-play <duration> seconds of audio/video
+Play @var{duration} seconds of audio/video.
+
+@var{duration} must be a time duration specification,
+see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
@item -bytes
Seek by bytes.
@item -nodisp