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Diffstat (limited to 'doc/avconv.texi')
| -rw-r--r-- | doc/avconv.texi | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/doc/avconv.texi b/doc/avconv.texi index 693c45e429..2ebfe9fe44 100644 --- a/doc/avconv.texi +++ b/doc/avconv.texi @@ -257,8 +257,15 @@ attachments. @item -vframes @var{number} (@emph{output}) Set the number of video frames to record. This is an alias for @code{-frames:v}. @item -r[:@var{stream_specifier}] @var{fps} (@emph{input/output,per-stream}) -Set frame rate (Hz value, fraction or abbreviation), (default = 25). For output -streams implies @code{-vsync cfr}. +Set frame rate (Hz value, fraction or abbreviation). + +As an input option, ignore any timestamps stored in the file and instead +generate timestamps assuming constant frame rate @var{fps}. + +As an output option, duplicate or drop input frames to achieve constant output +frame rate @var{fps} (note that this actually causes the @code{fps} filter to be +inserted to the end of the corresponding filtergraph). + @item -s[:@var{stream_specifier}] @var{size} (@emph{input/output,per-stream}) Set frame size. |