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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2011-07-04 13:28:37 +0200
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2011-07-30 18:30:07 +0200
commit45f9e053d8bf15ed0417155e57d16d1fdce0446e (patch)
tree2ce24d3b68de1e07dc3c1f654ac3ce0377870432 /doc
parent61d55fda2b513caf18e37b27aba680a87840904a (diff)
vf_crop: add support for a, dar, sar, hsub, and vsub variables
Consistent with the pad and scale filters.
Diffstat (limited to 'doc')
-rw-r--r--doc/filters.texi13
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