feat(apple): add visionOS support

.github/workflows/coreaudio-rs.yml

@@ -9,15 +9,23 @@ jobs:
         os: [macOS-latest]
     steps:
     - uses: actions/checkout@v4
+
     - name: Install LLVM and Clang
       uses: KyleMayes/[email protected]
       with:
         version: "15.0"
+
     - uses: dtolnay/rust-toolchain@master
       with:
         toolchain: stable
     - name: cargo test
       run: cargo test --verbose
+
+
+    #  TODO: don't run on CI, it loops. Works fine locally.
+    # - name: Run sine example
+    #   run: cargo run --example sine
+
     # TODO: These don't work as of 2020-12-06, but they should.
     # - name: cargo test - no features
     #   run: cargo test --no-default-features --verbose
@@ -44,11 +52,24 @@ jobs:
       with:
         toolchain: stable
     - name: Add iOS targets
-      run: rustup target add aarch64-apple-ios x86_64-apple-ios
-    - name: Install cargo lipo
-      run: cargo install cargo-lipo
+      run: rustup target add aarch64-apple-ios aarch64-apple-ios-sim x86_64-apple-ios
     - name: Build iphonesimulator feedback example
-      run: cd examples/ios && xcodebuild ONLY_ACTIVE_ARCH=NO ARCHS=x86_64 -scheme coreaudio-ios-example -configuration Debug -derivedDataPath build -sdk iphonesimulator
+      run: cd examples/ios && xcodebuild ONLY_ACTIVE_ARCH=NO ARCHS=arm64 -scheme coreaudio-ios-example -configuration Debug -derivedDataPath build -sdk iphonesimulator
+
+  visionos-build:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        profile: minimal
+        toolchain: nightly
+        components: rust-src
+    # select Xcode with visionOS support that has xrsimulator SDK installed
+    - name: Install Xcode Command Line Tools
+      run: sudo xcode-select --switch /Applications/Xcode_15.4.app/Contents/Developer
+    - name: Build xrsimulator feedback example
+      run: cd examples/ios && xcodebuild ONLY_ACTIVE_ARCH=NO ARCHS=arm64 -scheme coreaudio-ios-example -configuration Debug -derivedDataPath build -sdk xrsimulator
 
   # Build the docs with all features to make sure docs.rs will work.
   macos-docs:

.gitignore

@@ -3,3 +3,4 @@ target/
 .cargo/
 .DS_Store
 llvm/
+build

Cargo.toml

@@ -3,7 +3,7 @@ name = "coreaudio-rs"
 version = "0.12.0"
 authors = ["mitchmindtree <[email protected]>", "yupferris <[email protected]>"]
 description = "A friendly rust interface for Apple's CoreAudio API."
-keywords = ["core", "audio", "unit", "osx", "ios"]
+keywords = ["core", "audio", "unit", "osx", "ios", "visionos"]
 readme = "README.md"
 license = "MIT/Apache-2.0"
 edition = '2018'
@@ -22,11 +22,29 @@ open_al = ["coreaudio-sys/open_al"]
 core_midi = ["coreaudio-sys/core_midi"]
 
 [dependencies]
-bitflags = "1.0"
+bitflags = "2.5.0"
 coreaudio-sys = { version = "0.2", default-features = false }
 core-foundation-sys = "0.8.3"
+avfaudio = "0.0.2"
 
 [package.metadata.docs.rs]
 all-features = true
-default-target = "x86_64-apple-darwin"
-targets = ["x86_64-apple-darwin", "x86_64-apple-ios"]
+default-target = "aarch64-apple-darwin"
+targets = ["x86_64-apple-darwin", "x86_64-apple-ios", "aarch64-apple-darwin", "aarch64-apple-ios", "aarch64-apple-visionos"]
+
+[[example]]
+name = "feedback_interleaved"
+
+[[example]]
+name = "feedback"
+
+[[example]]
+name = "sine_advanced"
+
+[[example]]
+name = "sine"
+
+# TODO: remove this fix, once https://github.com/RustAudio/coreaudio-sys/pull/102 has been merged.
+[patch.crates-io]
+coreaudio-sys = { git = "https://github.com/eugenehp/coreaudio-sys.git", branch = "visionos" }
+# coreaudio-sys = { path = "../coreaudio-sys" }

examples/feedback.rs

@@ -5,6 +5,7 @@ extern crate coreaudio;
 use std::collections::VecDeque;
 use std::sync::{Arc, Mutex};
 
+use avfaudio::session::{AVAudioSession, Category};
 use coreaudio::audio_unit::audio_format::LinearPcmFlags;
 use coreaudio::audio_unit::macos_helpers::{audio_unit_from_device_id, get_default_device_id};
 use coreaudio::audio_unit::render_callback::{self, data};
@@ -20,6 +21,10 @@ const SAMPLE_FORMAT: SampleFormat = SampleFormat::F32;
 // type S = i8; const SAMPLE_FORMAT: SampleFormat = SampleFormat::I8;
 
 fn main() -> Result<(), coreaudio::Error> {
+
+    let session = AVAudioSession::shared_instance();
+    session.set_category(Category::play_and_record());
+
     let mut input_audio_unit =
         audio_unit_from_device_id(get_default_device_id(true).unwrap(), true)?;
     let mut output_audio_unit =