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| author | Lou Logan <lou@lrcd.com> | 2014-04-07 11:59:51 -0800 |
|---|---|---|
| committer | Lou Logan <lou@lrcd.com> | 2014-05-26 12:11:34 -0800 |
| commit | 5b1a56b34b3f0fa542a25f0e04879fba260a9372 (patch) | |
| tree | 7147b8a089c252ab235da4619d91001461b76da0 | |
| parent | 2dbf5e7038f4d952fb4cf7b88c23b933ffb95004 (diff) | |
| download | ffmpeg-5b1a56b34b3f0fa542a25f0e04879fba260a9372.tar.gz | |
doc/ffmpeg: note that -t is also an input option
Signed-off-by: Lou Logan <lou@lrcd.com>
| -rw-r--r-- | doc/ffmpeg.texi | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index 765b2a7ebc..0f6c093493 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -272,8 +272,13 @@ ffmpeg -i INPUT -map 0 -c copy -c:v:1 libx264 -c:a:137 libvorbis OUTPUT will copy all the streams except the second video, which will be encoded with libx264, and the 138th audio, which will be encoded with libvorbis. -@item -t @var{duration} (@emph{output}) -Stop writing the output after its duration reaches @var{duration}. +@item -t @var{duration} (@emph{input/output}) +When used as an input option (before @code{-i}), limit the @var{duration} of +data read from the input file. + +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. -to and -t are mutually exclusive and -t has priority. |