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doc/muxers: extend and clarify documentation for the segment muxer time options

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Stefano Sabatini 2013-01-19 00:50:40 +01:00
parent 4630dfd1eb
commit 0f2d4eddd8
1 changed files with 10 additions and 3 deletions
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doc/muxers.texi
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@ -588,11 +588,17 @@ A list file with the suffix @code{".m3u8"} will auto-select this format.
If not specified the type is guessed from the list file name suffix. If not specified the type is guessed from the list file name suffix.
@item segment_time @var{time} @item segment_time @var{time}
Set segment duration to @var{time}. Default value is "2". Set segment duration to @var{time}, the value must be a duration
specification. Default value is "2". See also the
@option{segment_times} option.
Note that splitting may not be accurate, unless you force the
reference stream key-frames at the given time. See the introductory
notice and the examples below.
@item segment_time_delta @var{delta} @item segment_time_delta @var{delta}
Specify the accuracy time when selecting the start time for a Specify the accuracy time when selecting the start time for a
segment. Default value is "0". segment, expressed as a duration specification. Default value is "0".
When delta is specified a key-frame will start a new segment if its When delta is specified a key-frame will start a new segment if its
PTS satisfies the relation: PTS satisfies the relation:
@ -614,7 +620,8 @@ the specified time and the time set by @var{force_key_frames}.
@item segment_times @var{times} @item segment_times @var{times}
Specify a list of split points. @var{times} contains a list of comma Specify a list of split points. @var{times} contains a list of comma
separated duration specifications, in increasing order. separated duration specifications, in increasing order. See also
the @option{segment_time} option.
@item segment_frames @var{frames} @item segment_frames @var{frames}
Specify a list of split video frame numbers. @var{frames} contains a Specify a list of split video frame numbers. @var{frames} contains a