haze

name	haze
description	Apply a progressive blur, film grain, and gradient color overlay to a video file using ffmpeg. Use when the user wants to soften the bottom of a video for text overlays, add a vignette, produce a frosted-glass marketing intro, or layer a colored fade on App Store / landing-page footage.

haze

Progressive blur + grain + gradient color overlay for video, built on ffmpeg.

Install

brew install aayush9029/tap/haze

Requires ffmpeg.

Usage

haze in.mp4                                          # default progressive blur
haze --no-noise --blur-max 30 in.mp4                 # softer, no grain
haze --overlay white in.mp4 out.mp4                  # white gradient on top
haze --overlay '#000000' --overlay-steepness 1.8 in.mp4
haze --bands 12 --preset ultrafast in.mp4            # fast preview

Options

Flag	Description	Default
--blur-min N	Sigma at top of region	0
--blur-max N	Sigma at bottom of frame	128
--blur-region PCT	% of height the blur ramp covers	66.6667
--bands N	Number of sigma bands	32
--noise-strength N	Grain intensity 0-100	15
--no-noise	Disable grain	—
--overlay COLOR	Enable gradient color overlay	off
--overlay-min A / --overlay-max A	Alpha range	0.0 / 1.0
--overlay-steepness N	Ramp exponent (1 = linear)	1.0
--crf N	x264 CRF (lower = better)	18
--preset P	x264 preset	medium