Cargo Features

[dependencies]
libavif-sys = { version = "0.17.0+libavif.1.0.4", default-features = false, features = ["codec-rav1e", "codec-dav1d", "codec-aom"] }
default = codec-dav1d, codec-rav1e

These default features are set whenever libavif-sys is added without default-features = false somewhere in the dependency tree.

codec-rav1e default = rav1e
codec-dav1d default = libdav1d-sys
codec-aom = libaom-sys

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

rav1e codec-rav1e
libaom-sys codec-aom?
libdav1d-sys codec-dav1d