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Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 483d8a13e2..60d00bbf29 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4896,6 +4896,16 @@ scale='min(500\, iw*3/2):-1' @end example @end itemize +@section separatefields + +The @code{separatefields} takes a frame-based video input and splits +each frame into its components fields, producing a new half height clip +with twice the frame rate and twice the frame count. + +This filter use field-dominance information in frame to decide which +of each pair of fields to place first in the output. +If it gets it wrong use @ref{setfield} filter before @code{separatefields} filter. + @section setdar, setsar The @code{setdar} filter sets the Display Aspect Ratio for the filter @@ -4970,6 +4980,7 @@ To set a display aspect ratio of 16:9, and specify a maximum integer value of setdar=ratio='16:9':max=1000 @end example +@anchor{setfield} @section setfield Force field for the output video frame. |