screencapturekit 1.4.2

Safe Rust bindings for Apple's ScreenCaptureKit framework - screen and audio capture on macOS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

use std::env;
use std::process::Command;

fn main() {
    println!("cargo:rustc-link-lib=framework=ScreenCaptureKit");

    // Build the Swift bridge
    let swift_dir = "swift-bridge";
    let out_dir = env::var("OUT_DIR").unwrap();
    let swift_build_dir = format!("{out_dir}/swift-build");

    println!("cargo:rerun-if-changed={swift_dir}");

    // Run swiftlint if available (non-strict mode, don't fail build)
    if let Ok(output) = Command::new("swiftlint")
        .args(["lint"])
        .current_dir(swift_dir)
        .output()
    {
        if !output.status.success() {
            eprintln!(
                "SwiftLint warnings:\n{}",
                String::from_utf8_lossy(&output.stdout)
            );
        }
    }

    // Build Swift package with build directory in OUT_DIR
    let output = Command::new("swift")
        .args([
            "build",
            "-c",
            "release",
            "--package-path",
            swift_dir,
            "--scratch-path",
            &swift_build_dir,
        ])
        .output()
        .expect("Failed to build Swift bridge");

    // Swift build outputs warnings to stderr even on success, check exit code only
    if !output.status.success() {
        eprintln!(
            "Swift build STDOUT:\n{}",
            String::from_utf8_lossy(&output.stdout)
        );
        eprintln!(
            "Swift build STDERR:\n{}",
            String::from_utf8_lossy(&output.stderr)
        );
        panic!(
            "Swift build failed with exit code: {:?}",
            output.status.code()
        );
    }

    // Link the Swift library from OUT_DIR
    println!("cargo:rustc-link-search=native={swift_build_dir}/release");
    println!("cargo:rustc-link-lib=static=ScreenCaptureKitBridge");

    // Link required frameworks
    println!("cargo:rustc-link-lib=framework=Foundation");
    println!("cargo:rustc-link-lib=framework=CoreGraphics");
    println!("cargo:rustc-link-lib=framework=CoreMedia");
    println!("cargo:rustc-link-lib=framework=IOSurface");

    // Add rpath for Swift runtime libraries
    println!("cargo:rustc-link-arg=-Wl,-rpath,/usr/lib/swift");
}