13 releases

0.2.0	Feb 22, 2025
0.1.11	Feb 22, 2025
0.1.10	Dec 21, 2024
0.1.9	Sep 14, 2023
0.1.1	Mar 1, 2020

#103 in Images

10,261 downloads per month
Used in 22 crates (6 directly)

BSD-3-Clause

7.5MB
152K SLoC

Contains (JAR file, 59KB) c_src/gradle/wrapper/gradle-wrapper.jar, (obscure autoconf code, 30KB) c_src/configure.ac, (JAR file, 3KB) c_src/swig/libwebp.jar

libwebp-sys

This is a raw interface to the libwebp library.

Minimum Supported Rust Version (MSRV)

Rust 1.85.0

Features

std (default) ... enables std-dependent functions. This feature merely exists for future extension. Currently, you always need to set this feature.
demux ... enables libwebpdemux functions.
mux ... enables libwebpmux functions.
0_5 (default) ... enables functions introduced in libwebp 0.5.0.
0_6 (default) ... enables functions introduced in libwebp 0.6.0.
1_1 (default) ... enables functions introduced in libwebp 1.1.0.
1_2 (default) ... enables functions introduced in libwebp 1.2.0.
1_4 ... enables functions introduced in libwebp 1.4.0.
1_5 ... enables functions introduced in libwebp 1.5.0.
static ... statically link against the bundled libwebp.
extern-types ... enables #![feature(extern_types)].

Linking

If libwebp is found in the system, it links against the library. Otherwise it builds and links against the bundled libwebp.

In these cases, static link is preferred:

For musl target.
When cross-compiling.
static feature is turned on.
LIBWEBP_SYS_STATIC environment variable is set to 1 when building.

sys no-std libwebp-sys2