church_archive_script/Programs/doc/_sources/functions/video/doubleweave.rst.txt

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2023-11-29 16:12:35 +00:00
DoubleWeave
===========
.. function:: DoubleWeave(vnode clip[, bint tff])
:module: std
Weaves the fields back together from a clip with interleaved fields.
Since VapourSynth only has a weak notion of field order internally, *tff*
may have to be set. Setting *tff* to true means top fields first and false
means bottom fields first. Note that the ``_Field`` frame property, if present
and in a valid combination, takes precedence over *tff*.
DoubleWeave's output has the same number of frames as the input. One must
use DoubleWeave together with SelectEvery to undo the effect of
SeparateFields::
sep = core.std.SeparateFields(source)
...
woven = core.std.DoubleWeave(sep)
woven = core.std.SelectEvery(woven, 2, 0)
The ``_Field`` frame property is deleted and ``_FieldBased`` is set accordingly.