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authorStefano Sabatini <stefasab@gmail.com>2013-01-19 00:50:40 +0100
committerStefano Sabatini <stefasab@gmail.com>2013-01-21 19:26:44 +0100
commit0f2d4eddd813e9dbe0acbcb95a0b58efb83ee60e (patch)
tree9bd7a0a30058cf4972f22e944424695c2b8899c4 /doc
parent4630dfd1ebb6550f352ea69ce7150aaaba96d413 (diff)
downloadffmpeg-0f2d4eddd813e9dbe0acbcb95a0b58efb83ee60e.tar.gz
doc/muxers: extend and clarify documentation for the segment muxer time options
Diffstat (limited to 'doc')
-rw-r--r--doc/muxers.texi13
1 files changed, 10 insertions, 3 deletions
diff --git a/doc/muxers.texi b/doc/muxers.texi
index 2651f97751..60daf089e3 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -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.
@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}
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
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}
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}
Specify a list of split video frame numbers. @var{frames} contains a