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doc/filters: update/extend transpose filter documentation

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