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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 2e419a8edf..68a82b79e8 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -275,6 +275,19 @@ the output (cropped) width and heigth @item ow, oh same as @var{out_w} and @var{out_h} +@item a +same as @var{iw} / @var{ih} + +@item sar +input sample aspect ratio + +@item dar +input display aspect ratio, it is the same as (@var{iw} / @var{ih}) * @var{sar} + +@item hsub, vsub +horizontal and vertical chroma subsample values. For example for the +pixel format "yuv422p" @var{hsub} is 2 and @var{vsub} is 1. + @item n the number of input frame, starting from 0 |