simplify webrtc bindings

Cargo.toml

@@ -10,9 +10,6 @@ members = [
     "soxr-sys",
     "yuv-sys",
     "imgproc",
-    "webrtc-sys",
-    "webrtc-sys/build",
-
     "examples/agent_dispatch",
     "examples/api",
     "examples/basic_room",
@@ -38,6 +35,5 @@ livekit-ffi = { version = "0.12.43", path = "livekit-ffi" }
 livekit-protocol = { version = "0.6.0", path = "livekit-protocol" }
 livekit-runtime = { version = "0.4.0", path = "livekit-runtime" }
 soxr-sys = { version = "0.1.1", path = "soxr-sys" }
-webrtc-sys = { version = "0.3.20", path = "webrtc-sys" }
-webrtc-sys-build = { version = "0.3.12", path = "webrtc-sys/build" }
+webrtc-sys-build = { version = "0.3.12", path = "libwebrtc/build" }
 yuv-sys = { version = "0.3.10", path = "yuv-sys" }

examples/wgpu_room/Cargo.toml

@@ -11,7 +11,7 @@ tracing = ["console-subscriber", "tokio/tracing"]
 [dependencies]
 tokio = { version = "1", features = ["full", "parking_lot"] }
 livekit = { workspace = true, features = ["rustls-tls-native-roots"]}
-webrtc-sys = { workspace = true }
+libwebrtc = { workspace = true }
 futures = "0.3"
 winit = { version = "0.30.11", features = [ "android-native-activity" ] }
 parking_lot = { version = "0.12.1", features = ["deadlock_detection"] }

libwebrtc/CHANGELOG.md

@@ -7,111 +7,138 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [0.3.23](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.22...rust-sdks/libwebrtc@0.3.23) - 2025-12-19
+## [0.3.20](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.19...rust-sdks/webrtc-sys@0.3.20) - 2025-12-19
 
 ### Fixed
 
 - Exclude the desktop-capturer module link for mobile. ([#817](https://github.com/livekit/rust-sdks/pull/817))
 
-## [0.3.22](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-12-17
+## [0.3.19](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-12-17
+
+### Fixed
+
+- lazy loading for additional dependencies. ([#814](https://github.com/livekit/rust-sdks/pull/814))
 
 ### Other
 
 - Expose WebRTC's audio_mixer ([#806](https://github.com/livekit/rust-sdks/pull/806))
 
-## [0.3.21](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.20...rust-sdks/libwebrtc@0.3.21) - 2025-12-04
+## [0.3.18](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.17...rust-sdks/webrtc-sys@0.3.18) - 2025-12-04
 
 ### Other
 
-- move starting/stopping GLib event loop into libwebrtc crate ([#798](https://github.com/livekit/rust-sdks/pull/798))
+- initialize frame_.samples_per_channel_ ([#779](https://github.com/livekit/rust-sdks/pull/779))
 - Expose desktop capturer ([#725](https://github.com/livekit/rust-sdks/pull/725))
 
-## [0.3.20](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-11-20
+## [0.3.17](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-11-20
+
+### Fixed
+
+- fix Android libwebrtc builds ([#791](https://github.com/livekit/rust-sdks/pull/791))
 
 ### Other
 
-- Fix the fast path in capture_frame function, without buffering ([#778](https://github.com/livekit/rust-sdks/pull/778))
+- Enable H265 encoding & decoding on Nvidia GPU ([#776](https://github.com/livekit/rust-sdks/pull/776))
+- copy desktop_capture.ninja into C++ library archive ([#787](https://github.com/livekit/rust-sdks/pull/787))
+- enable Pipewire (Wayland) and X11 desktop capture ([#784](https://github.com/livekit/rust-sdks/pull/784))
 
-## [0.3.19](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-10-27
+## [0.3.16](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-10-27
+
+### Fixed
+
+- fix unable to locate __arm_tpidr2_save for android ffi. ([#765](https://github.com/livekit/rust-sdks/pull/765))
 
 ### Other
 
-- updated the following local packages: webrtc-sys
+- Linux hardware acceleration build fixes ([#753](https://github.com/livekit/rust-sdks/pull/753))
 
-## [0.3.18](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.17...rust-sdks/libwebrtc@0.3.18) - 2025-10-22
+## [0.3.15](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.14...rust-sdks/webrtc-sys@0.3.15) - 2025-10-22
 
 ### Other
 
 - License check ([#746](https://github.com/livekit/rust-sdks/pull/746))
+- put examples in root Cargo workspace ([#731](https://github.com/livekit/rust-sdks/pull/731))
 
-## [0.3.17](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.16...rust-sdks/libwebrtc@0.3.17) - 2025-10-13
+## [0.3.14](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.13...rust-sdks/webrtc-sys@0.3.14) - 2025-10-13
 
 ### Added
 
 - *(e2ee)* add data channel encryption ([#708](https://github.com/livekit/rust-sdks/pull/708))
 
+### Fixed
+
+- fix some potential audio issues, clean up the code a bit, and suppress some warnings  ([#737](https://github.com/livekit/rust-sdks/pull/737))
+- fix linux so link issue. ([#733](https://github.com/livekit/rust-sdks/pull/733))
+- change search_dirs to use cc --print-search-dirs instead of clang --print-search-dirs ([#697](https://github.com/livekit/rust-sdks/pull/697))
+
 ### Other
 
+- bump libwebrtc libs version for webrtc-sys. ([#741](https://github.com/livekit/rust-sdks/pull/741))
 - Enable buffer scaling ([#473](https://github.com/livekit/rust-sdks/pull/473))
 
-## [0.3.16](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.15...rust-sdks/libwebrtc@0.3.16) - 2025-10-03
+## [0.3.13](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.12...rust-sdks/webrtc-sys@0.3.13) - 2025-10-03
 
 ### Other
 
-- updated the following local packages: webrtc-sys
+- Fix empty audio frames after resample ([#722](https://github.com/livekit/rust-sdks/pull/722))
 
-## [0.3.15](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.14...rust-sdks/libwebrtc@0.3.15) - 2025-09-29
+## [0.3.12](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.11...rust-sdks/webrtc-sys@0.3.12) - 2025-09-29
 
 ### Fixed
 
 - fix Builds/E2E Tests CI. ([#715](https://github.com/livekit/rust-sdks/pull/715))
 
-## [0.3.14](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-09-09
-
 ### Other
 
-- updated the following local packages: webrtc-sys
+- nvidia codec improve ([#721](https://github.com/livekit/rust-sdks/pull/721))
+- Upgrade libwebrtc to m137. ([#696](https://github.com/livekit/rust-sdks/pull/696))
 
-## [0.3.13](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.12...rust-sdks/libwebrtc@0.3.13) - 2025-09-03
+## [0.3.11](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.10...rust-sdks/webrtc-sys@0.3.11) - 2025-09-09
 
 ### Other
 
-- updated the following local packages: webrtc-sys
+- Optional flags for video hw codec. ([#701](https://github.com/livekit/rust-sdks/pull/701))
+
+## [0.3.10](https://github.com/livekit/rust-sdks/compare/rust-sdks/[email protected]/[email protected]) - 2025-09-03
+
+### Added
+
+- VA-API support for linux. ([#638](https://github.com/livekit/rust-sdks/pull/638))
+
+### Fixed
+
+- hardware rendering ([#695](https://github.com/livekit/rust-sdks/pull/695))
 # Changelog
 
-## [0.3.12](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.11...rust-sdks/libwebrtc@0.3.12) - 2025-06-17
+## [0.3.9](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.8...rust-sdks/webrtc-sys@0.3.9) - 2025-06-17
 
 ### Other
 
-- updated the following local packages: livekit-protocol, webrtc-sys
+- updated the following local packages: webrtc-sys-build
 
-## [0.3.11](https://github.com/livekit/rust-sdks/compare/rust-sdks/libwebrtc@0.3.10...rust-sdks/libwebrtc@0.3.11) - 2025-06-11
+## [0.3.8](https://github.com/livekit/rust-sdks/compare/rust-sdks/webrtc-sys@0.3.7...rust-sdks/webrtc-sys@0.3.8) - 2025-06-11
 
 ### Fixed
 
-- fix uint32 overflow ([#615](https://github.com/livekit/rust-sdks/pull/615))
+- fix libwebrtc.jar build issue ([#586](https://github.com/livekit/rust-sdks/pull/586))
 
 ### Other
 
+- bump version for webrtc (fix win CI) ([#650](https://github.com/livekit/rust-sdks/pull/650))
+- try to fix webrtc build for iOS/macOS. ([#646](https://github.com/livekit/rust-sdks/pull/646))
 - remove ([#633](https://github.com/livekit/rust-sdks/pull/633))
 - expose apm stream_delay ([#616](https://github.com/livekit/rust-sdks/pull/616))
 - Add i420_to_nv12 ([#605](https://github.com/livekit/rust-sdks/pull/605))
 - ffi-v0.13.0 ([#590](https://github.com/livekit/rust-sdks/pull/590))
 - add AudioProcessingModule ([#580](https://github.com/livekit/rust-sdks/pull/580))
 
-## [0.3.10] - 2025-02-05
-
-### Fixed
-
-- Fix build issue
-
-## [0.3.9] - 2025-01-17
+## [0.3.7] - 2025-02-05
 
 ### Added
 
 - Expose DataChannel.bufferedAmount property
 
-## [0.3.8] - 2024-12-14
+## [0.3.6] - 2024-12-14
 
 ### Added
 

libwebrtc/Cargo.toml

@@ -4,57 +4,44 @@ version = "0.3.23"
 edition = "2021"
 homepage = "https://livekit.io"
 license = "Apache-2.0"
-description = "Livekit safe bindings to libwebrtc"
-repository = "https://github.com/livekit/rust-sdks"
+description = "Unsafe bindings to libwebrtc"
+repository = "https://github.com/livekit/client-sdk-rust"
 
 [features]
-default = [ "glib-main-loop" ]
-# On Wayland, libwebrtc uses GDBus to communicate with the XDG Desktop Portal.
-# GDBus requires a GLib event loop to be running. If you already have a GLib
-# event loop running in your application, for example if you are using the
-# GTK or GStreamer Rust bindings, disable this feature.
-glib-main-loop = [ "dep:glib" ]
+default = []
+static = []
 
 [dependencies]
-livekit-protocol = { workspace = true }
+livekit-runtime = { workspace = true }
+yuv-sys = { workspace = true }
 log = "0.4"
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
-thiserror = "1.0"
-
-[target.'cfg(any(target_os = "linux", target_os = "freebsd"))'.dependencies]
-glib = { version = "0.21.3", optional = true }
+parking_lot = "0.12.5"
+serde = "1.0.228"
+serde_derive = "1.0.228"
+serde_json = "1.0.145"
+thiserror = "2.0.17"
+tokio = { version = "1", features = ["full"] }
+tokio-stream = "0.1.17"
 
-[target.'cfg(target_os = "android")'.dependencies]
-jni = "0.21"
+[dependencies.uuid]
+version = "1.19.0"
+# Lets you generate random UUIDs
+features = [
+    "v4",
+]
 
-[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-webrtc-sys = { workspace = true }
-livekit-runtime = { workspace = true }
-lazy_static = "1.4"
-parking_lot = { version = "0.12" }
-tokio = { version = "1", default-features = false, features = ["sync", "macros"] }
-cxx = "1.0"
+[build-dependencies]
+webrtc-sys-build = { workspace = true }
+cxx-build = "1.0"
+glob = "0.3"
+cc = "1.0"
+pkg-config = "0.3.22"
 
-[target.'cfg(target_arch = "wasm32")'.dependencies]
-wasm-bindgen = "0.2"
-js-sys = "0.3"
-wasm-bindgen-futures = "0.4"
-web-sys = { version = "0.3", features = [
-  "MessageEvent",
-  "RtcPeerConnection",
-  "RtcSignalingState",
-  "RtcSdpType",
-  "RtcSessionDescriptionInit",
-  "RtcPeerConnectionIceEvent",
-  "RtcIceCandidate",
-  "RtcDataChannel",
-  "RtcDataChannelEvent",
-  "RtcDataChannelState",
-  "EventTarget",
-  "WebGlRenderingContext",
-  "WebGlTexture",
-] }
+[target.'cfg(target_os = "linux")'.build-dependencies]
+pkg-config = "0.3.22"
 
 [dev-dependencies]
 env_logger = "0.10"
+
+[lib]
+crate-type = ["lib", "staticlib"]

libwebrtc/build.rs

@@ -0,0 +1,48 @@
+// Copyright 2025 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::env;
+
+fn main() {
+    if env::var("DOCS_RS").is_ok() {
+        return;
+    }
+
+    let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap();
+    let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
+    let is_desktop = target_os == "linux" || target_os == "windows" || target_os == "macos";
+
+    println!("cargo:rerun-if-env-changed=LK_DEBUG_WEBRTC");
+    println!("cargo:rerun-if-env-changed=LK_CUSTOM_WEBRTC");
+
+    //let use_debug_lib = webrtc_sys_build::rtc_debug_enabled();
+    let use_dylib = !cfg!(feature = "static");
+    //let use_custom_rtc = webrtc_sys_build::is_using_custom_webrtc();
+
+    let webrtc_dir = webrtc_sys_build::webrtc_dir();
+    //let webrtc_include = webrtc_dir.join("include");
+    //let webrtc_lib = webrtc_dir.join("lib");
+
+    if use_dylib {
+        if let Err(e) = webrtc_sys_build::copy_dylib_to_target(&webrtc_dir) {
+            println!("cargo:warning=failed to copy livekit_rtc dylib to target: {}", e);
+        }
+    }
+
+    if use_dylib {
+        webrtc_sys_build::link_shared_library(&webrtc_dir);
+    } else {
+        webrtc_sys_build::link_static_library(&webrtc_dir);
+    }
+}