frontend-common: prefer jack on linux

Cargo.lock

@@ -1122,6 +1122,7 @@ dependencies = [
  "core-foundation-sys 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "coreaudio-rs",
  "dasp_sample",
+ "jack",
  "jni",
  "js-sys",
  "libc",

frontend-common/Cargo.toml

@@ -15,7 +15,7 @@ wgpu = ["gb-emu-lib/wgpu-renderer"]
 [dependencies]
 gb-emu-lib = { workspace = true }
 gilrs = "0.10"
-cpal = "0.15"
+cpal = { version = "0.15", features = ["jack"] }
 futures = "0.3"
 nokhwa = { version = "0.10", features = [
 	"input-avfoundation",

frontend-common/src/audio.rs

@@ -10,6 +10,9 @@ use crate::access_config;
 const DOWNSAMPLE_TYPE: DownsampleType = DownsampleType::ZeroOrderHold;
 
 pub fn create_output(muted: bool) -> (AudioOutput, Stream) {
+    #[cfg(target_os = "linux")]
+    let host = cpal::host_from_id(cpal::HostId::Jack).unwrap_or_else(|_| cpal::default_host());
+    #[cfg(not(target_os = "linux"))]
     let host = cpal::default_host();
 
     let device = host