HQ*X Interpolator

HQ*X Interpolator

Status:

Maintained

Keyframes:

No

Source library:

avfilter

Source filter:

hqx

Available:

On Master only:

No

Known bugs:

No

Description

This effect/filter works best for pixel art. Scaling is done by a factor of 2, 3, or 4 using the Hq*X[1] magnification algorithm specifically designed for this.

Parameters

Parameter	Value	Description
Scale factor	Selection	Sets the scaling factor

The following selection items are available:

Scale factor

2x
3x	Default
4x

Position to set the filter

frame	default
filter
source
producer

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[1]

See the article in Wikipedia about Maxim Stepin's hqnx family of algorithms.