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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index c898c43557..19ca055076 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -14005,6 +14005,9 @@ correctly scale the fonts if the aspect ratio has been changed. Set a directory path containing fonts that can be used by the filter. These fonts will be used in addition to whatever the font provider uses. +@item alpha +Process alpha channel, by default alpha channel is untouched. + @item charenc Set subtitles input character encoding. @code{subtitles} filter only. Only useful if not UTF-8. |