fix(wasm): increase audio chunksize to 256 minimum for emscripten audio ctx

.github/workflows/build.yaml

@@ -44,6 +44,7 @@ jobs:
       - name: Cache vcpkg
         uses: actions/cache@v4
         with:
+          save-always: true # deprecated
           path: target/vcpkg
           key: vcpkg-${{ runner.os }}-${{ matrix.target }}-${{ hashFiles('Cargo.toml', 'Cargo.lock') }}
           restore-keys: |
@@ -90,7 +91,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Emscripten SDK
-        uses: mymindstorm/setup-emsdk@v14
+        uses: pyodide/setup-emsdk@v15
         with:
           version: 3.1.43
           actions-cache-folder: "emsdk-cache"

src/audio.rs

@@ -24,7 +24,7 @@ impl Audio {
         let frequency = 44100;
         let format = DEFAULT_FORMAT;
         let channels = 4;
-        let chunk_size = 128;
+        let chunk_size = 256; // 256 is minimum for emscripten
 
         mixer::open_audio(frequency, format, 1, chunk_size).expect("Failed to open audio");
         mixer::allocate_channels(channels);