doc/filters: update/extend transpose filter documentation

In particular, deprecate numerical values for the dir option.
This commit is contained in:
Stefano Sabatini 2013-04-27 19:35:52 +02:00
parent 028c73358a
commit 9f3d873f5f
1 changed files with 5 additions and 1 deletions

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@ -6133,8 +6133,9 @@ This filter accepts the following options:
@table @option
@item dir
The direction of the transpose.
Specify the transposition direction.
Can assume the following values:
@table @samp
@item 0, 4, cclock_flip
Rotate by 90 degrees counterclockwise and vertically flip (default), that is:
@ -6173,6 +6174,9 @@ For values between 4-7, the transposition is only done if the input
video geometry is portrait and not landscape. These values are
deprecated, the @code{passthrough} option should be used instead.
Numerical values are deprecated, and should be dropped in favor of
symbolic constants.
@item passthrough
Do not apply the transposition if the input geometry matches the one
specified by the specified value. It accepts the following values: