diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 5f9d1f8388..28e3292ff6 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1600,8 +1600,7 @@ A floating point number which specifies chroma temporal strength. It defaults to Simple interlacing filter from progressive contents. This interleaves upper (or lower) lines from odd frames with lower (or upper) lines from even frames, -halving the frame rate and preserving image height. A vertical lowpass filter -is always applied in order to avoid twitter effects and reduce moiré patterns. +halving the frame rate and preserving image height. @example Original Original New Frame @@ -1621,6 +1620,10 @@ It accepts the following optional parameters: @item scan This determines whether the interlaced frame is taken from the even (tff - default) or odd (bff) lines of the progressive frame. + +@item lowpass +Enable (default) or disable the vertical lowpass filter to avoid twitter +interlacing and reduce moire patterns. @end table @section lut, lutrgb, lutyuv |