Nnedi

Video Single output Transform

Apply neural network edge directed interpolation intra-only deinterlacer.

FFmpeg filter: nnedi — the official reference.

Add it to a graph. The explicit form works for every filter — bind it to its input and read the result from outputs():

$node   = $video->addFilter(new Nnedi(…));
$result = $node->outputs()[0];

Shorthand. Single-output filters can skip the node — apply() returns the result stream directly:

$result = $video->apply(new Nnedi(…));

When to use it

TODO — when this filter shines: what it’s the right tool for, what to reach for instead when it isn’t, and how it composes with neighbouring filters.

How to use it

TODO — prose: how the filter actually works and what its key parameters mean (the explanation FFmpeg’s terse option help omits).

Examples

TODO — runnable PHP, with the equivalent ffmpeg CLI alongside.

Gotchas

TODO

See also

TODO

Parameters

Parameter	Type	Default	Range / values	Description
weights	string	nnedi3_weights.bin	—	set weights file
deint	NnediDeint	all	all, interlaced	set which frames to deinterlace
field	NnediField	a	af, a, t, b, tf, bf	set mode of operation
planes	int	7	0–15	set which planes to process
nsize	NnediNsize	s32x4	s8x6, s16x6, s32x6, s48x6, s8x4, s16x4, s32x4	set size of local neighborhood around each pixel, used by the predictor neural network
nns	NnediNns	n32	n16, n32, n64, n128, n256	set number of neurons in predictor neural network
qual	NnediQual	fast	fast, slow	set quality
etype	NnediEtype	abs	abs, mse	set which set of weights to use in the predictor
pscrn	NnediPscrn	new	none, original, new, new2, new3	set prescreening

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Maps to FFmpeg’s nnedi filter. Verified against ffmpeg n7.1.1.