makes audio... ish

Cargo.lock

@@ -2,12 +2,54 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "alsa"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8512c9117059663fb5606788fbca3619e2a91dac0e3fe516242eab1fa6be5e44"
+dependencies = [
+ "alsa-sys",
+ "bitflags",
+ "libc",
+ "nix 0.24.3",
+]
+
+[[package]]
+name = "alsa-sys"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db8fee663d06c4e303404ef5f40488a53e062f89ba8bfed81f42325aafad1527"
+dependencies = [
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "bindgen"
+version = "0.61.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a022e58a142a46fea340d68012b9201c094e93ec3d033a944a24f8fd4a4f09a"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -20,11 +62,35 @@ version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d261e256854913907f67ed06efbc3338dfe6179796deefc1ff763fc1aee5535"
 
+[[package]]
+name = "bytes"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
+
 [[package]]
 name = "cc"
 version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
+dependencies = [
+ "jobserver",
+]
+
+[[package]]
+name = "cesu8"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
+
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
 
 [[package]]
 name = "cfg-if"
@@ -32,6 +98,17 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clang-sys"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa2e27ae6ab525c3d369ded447057bca5438d86dc3a68f6faafb8269ba82ebf3"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "4.1.1"
@@ -78,28 +155,96 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "combine"
+version = "4.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35ed6e9d84f0b51a7f52daf1c7d71dd136fd7a3f41a8462b8cdb8c78d920fad4"
+dependencies = [
+ "bytes",
+ "memchr",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
 dependencies = [
- "core-foundation-sys",
+ "core-foundation-sys 0.8.3",
  "libc",
 ]
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7ca8a5221364ef15ce201e8ed2f609fc312682a8f4e0e3d4aa5879764e0fa3b"
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
+[[package]]
+name = "coreaudio-rs"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb17e2d1795b1996419648915df94bc7103c28f7b48062d7acf4652fc371b2ff"
+dependencies = [
+ "bitflags",
+ "core-foundation-sys 0.6.2",
+ "coreaudio-sys",
+]
+
+[[package]]
+name = "coreaudio-sys"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a9444b94b8024feecc29e01a9706c69c1e26bfee480221c90764200cfd778fb"
+dependencies = [
+ "bindgen",
+]
+
+[[package]]
+name = "cpal"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34fa7b20adf588f73f094cd9b1d944977c686e37a2759ea217ab174f017e10a"
+dependencies = [
+ "alsa",
+ "core-foundation-sys 0.8.3",
+ "coreaudio-rs",
+ "dasp_sample",
+ "jni 0.19.0",
+ "js-sys",
+ "libc",
+ "mach",
+ "ndk",
+ "ndk-context",
+ "oboe",
+ "once_cell",
+ "parking_lot",
+ "thiserror",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows 0.44.0",
+]
+
 [[package]]
 name = "cty"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b365fabc795046672053e29c954733ec3b05e4be654ab130fe8f1f94d7051f35"
 
+[[package]]
+name = "dasp_sample"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c87e182de0887fd5361989c677c4e8f5000cd9491d6d563161a8f3a5519fc7f"
+
 [[package]]
 name = "dlib"
 version = "0.5.0"
@@ -245,6 +390,7 @@ name = "gb-emu"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "cpal",
  "gilrs",
  "minifb",
  "rand",
@@ -293,9 +439,21 @@ dependencies = [
  "vec_map",
  "wasm-bindgen",
  "web-sys",
- "windows",
+ "windows 0.43.0",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "heck"
 version = "0.4.0"
@@ -311,6 +469,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -329,7 +497,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7789f7f3c9686f96164f5109d69152de759e76e284f736bd57661c6df5091919"
 dependencies = [
- "core-foundation-sys",
+ "core-foundation-sys 0.8.3",
  "mach",
 ]
 
@@ -340,7 +508,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7d6c6f8c91b4b9ed43484ad1a938e393caf35960fce7f82a040497207bd8e9e"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.42.0",
 ]
 
 [[package]]
@@ -352,7 +520,50 @@ dependencies = [
  "hermit-abi",
  "io-lifetimes",
  "rustix",
- "windows-sys",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "jni"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6df18c2e3db7e453d3c6ac5b3e9d5182664d28788126d39b91f2d1e22b017ec"
+dependencies = [
+ "cesu8",
+ "combine",
+ "jni-sys",
+ "log",
+ "thiserror",
+ "walkdir",
+]
+
+[[package]]
+name = "jni"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "039022cdf4d7b1cf548d31f60ae783138e5fd42013f6271049d7df7afadef96c"
+dependencies = [
+ "cesu8",
+ "combine",
+ "jni-sys",
+ "log",
+ "thiserror",
+ "walkdir",
+]
+
+[[package]]
+name = "jni-sys"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
+
+[[package]]
+name = "jobserver"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+dependencies = [
+ "libc",
 ]
 
 [[package]]
@@ -370,6 +581,12 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
 [[package]]
 name = "libc"
 version = "0.2.139"
@@ -411,6 +628,16 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
 
+[[package]]
+name = "lock_api"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -476,6 +703,35 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "ndk"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "451422b7e4718271c8b5b3aadf5adedba43dc76312454b387e98fae0fc951aa0"
+dependencies = [
+ "bitflags",
+ "jni-sys",
+ "ndk-sys",
+ "num_enum",
+ "raw-window-handle 0.5.0",
+ "thiserror",
+]
+
+[[package]]
+name = "ndk-context"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27b02d87554356db9e9a873add8782d4ea6e3e58ea071a9adb9a2e8ddb884a8b"
+
+[[package]]
+name = "ndk-sys"
+version = "0.4.1+23.1.7779620"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cf2aae958bd232cac5069850591667ad422d263686d75b52a065f9badeee5a3"
+dependencies = [
+ "jni-sys",
+]
+
 [[package]]
 name = "nix"
 version = "0.24.3"
@@ -510,6 +766,79 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nom8"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae01545c9c7fc4486ab7debaf2aad7003ac19431791868fb2e8066df97fad2f8"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "num-derive"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "num_enum"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d829733185c1ca374f17e52b762f24f535ec625d2cc1f070e34c8a9068f341b"
+dependencies = [
+ "num_enum_derive",
+]
+
+[[package]]
+name = "num_enum_derive"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2be1598bf1c313dcdd12092e3f1920f463462525a21b7b4e11b4168353d0123e"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "oboe"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8868cc237ee02e2d9618539a23a8d228b9bb3fc2e7a5b11eed3831de77c395d0"
+dependencies = [
+ "jni 0.20.0",
+ "ndk",
+ "ndk-context",
+ "num-derive",
+ "num-traits",
+ "oboe-sys",
+]
+
+[[package]]
+name = "oboe-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f44155e7fb718d3cfddcf70690b2b51ac4412f347cd9e4fbe511abe9cd7b5f2"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.17.0"
@@ -538,6 +867,35 @@ version = "6.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
 
+[[package]]
+name = "parking_lot"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-sys 0.45.0",
+]
+
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.9"
@@ -562,6 +920,16 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "proc-macro-crate"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66618389e4ec1c7afe67d51a9bf34ff9236480f8d51e7489b7d5ab0303c13f34"
+dependencies = [
+ "once_cell",
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -653,6 +1021,15 @@ dependencies = [
  "cty",
 ]
 
+[[package]]
+name = "raw-window-handle"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed7e3d950b66e19e0c372f3fa3fbbcf85b1746b571f74e0c2af6042a5c93420a"
+dependencies = [
+ "cty",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
@@ -662,6 +1039,21 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
@@ -671,6 +1063,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustix"
 version = "0.36.6"
@@ -682,7 +1080,16 @@ dependencies = [
  "io-lifetimes",
  "libc",
  "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.42.0",
+]
+
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
 ]
 
 [[package]]
@@ -700,6 +1107,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
 
+[[package]]
+name = "scopeguard"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+
 [[package]]
 name = "sdl2"
 version = "0.35.2"
@@ -745,6 +1158,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
+
 [[package]]
 name = "slab"
 version = "0.4.7"
@@ -810,6 +1229,43 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4553f467ac8e3d374bc9a177a26801e5d0f9b211aa1673fb137a403afd1c9cf5"
+
+[[package]]
+name = "toml_edit"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c59d8dd7d0dcbc6428bf7aa2f0e823e26e43b3c9aca15bbc9475d23e5fa12b"
+dependencies = [
+ "indexmap",
+ "nom8",
+ "toml_datetime",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.6"
@@ -840,6 +1296,17 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
+dependencies = [
+ "same-file",
+ "winapi",
+ "winapi-util",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -1041,6 +1508,15 @@ dependencies = [
  "windows_x86_64_msvc",
 ]
 
+[[package]]
+name = "windows"
+version = "0.44.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e745dab35a0c4c77aa3ce42d595e13d2003d6902d6b08c9ef5fc326d08da12b"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
@@ -1056,6 +1532,30 @@ dependencies = [
  "windows_x86_64_msvc",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.1"

Cargo.toml

@@ -12,3 +12,4 @@ minifb = "0.23"
 rand = "0.8.5"
 gilrs = "0.10.1"
 samplerate = "0.2.4"
+cpal = "0.15.0"

src/processor/memory/mmio/apu.rs

@@ -1,4 +1,4 @@
-use samplerate::{convert, ConverterType};
+use std::sync::RwLock;
 
 use crate::{
     processor::{
@@ -8,6 +8,11 @@ use crate::{
     },
     util::{get_bit, set_or_clear_bit},
 };
+use cpal::{
+    traits::{DeviceTrait, HostTrait, StreamTrait},
+    Stream,
+};
+use samplerate::{ConverterType, Samplerate};
 
 use self::channels::{EnvelopeMode, NoiseChannel, PwmChannel, WaveChannel};
 
@@ -53,10 +58,59 @@ pub struct Apu {
     vol_right: u8,
     div_apu: u8,
     buffer: Vec<f32>,
+    converter: Samplerate,
+    _stream: Stream,
 }
 
+static PLAY_BUFFER: RwLock<Vec<f32>> = RwLock::new(vec![]);
+
 impl Default for Apu {
     fn default() -> Self {
+        let host = cpal::default_host();
+
+        let device = host
+            .default_output_device()
+            .expect("no output device available");
+
+        let mut supported_configs_range = device
+            .supported_output_configs()
+            .expect("error while querying configs");
+        let config = supported_configs_range
+            .next()
+            .expect("no supported config?!")
+            .with_max_sample_rate()
+            .config();
+
+        let stream = device
+            .build_output_stream(
+                &config,
+                move |data: &mut [f32], _info: &cpal::OutputCallbackInfo| {
+                    // react to stream events and read or write stream data here.
+                    if let Ok(mut audio) = PLAY_BUFFER.try_write() {
+                        if audio.len() >= data.len() {
+                            let b = audio.split_off(data.len());
+                            data.copy_from_slice(&audio);
+                            *audio = b;
+                        }
+                    }
+                },
+                move |err| {
+                    // react to errors here.
+                    println!("audio error: {err}");
+                },
+                None, // None=blocking, Some(Duration)=timeout
+            )
+            .unwrap();
+        stream.play().unwrap();
+
+        let converter = Samplerate::new(
+            ConverterType::Linear,
+            CLOCK_SPEED as u32,
+            config.sample_rate.0,
+            1,
+        )
+        .unwrap();
+
         Self {
             mem: [0x0; MEM_SIZE],
             apu_enable: true,
@@ -66,12 +120,12 @@ impl Default for Apu {
             vol_right: 7,
             div_apu: 0,
             buffer: vec![],
+            converter,
+            _stream: stream,
         }
     }
 }
 
-const SAMPLE_RATE: u32 = 44100;
-
 impl Apu {
     pub fn div_apu_tick(&mut self) {
         self.div_apu = self.div_apu.wrapping_add(1);
@@ -100,16 +154,11 @@ impl Apu {
     }
 
     fn next_audio(&mut self) {
-        let _converted = convert(
+        if let Ok(mut audio) = PLAY_BUFFER.try_write() {
-            CLOCK_SPEED as u32,
+            audio.append(&mut self.converter.process(&self.buffer).unwrap());
-            SAMPLE_RATE,
-            1,
-            ConverterType::Linear,
-            &self.buffer,
-        )
-        .unwrap();
             self.buffer.clear();
         }
+    }
 
     pub fn get_register(&self, addr: Address) -> u8 {
         if addr == 0xFF26

src/processor/memory/mmio/apu/channels.rs

@@ -122,6 +122,7 @@ impl PwmChannel {
     }
 
     pub fn tick(&mut self, steps: usize) -> Vec<f32> {
+        if self.enabled {
             (0..steps)
                 .map(|_| {
                     let b;
@@ -129,9 +130,16 @@ impl PwmChannel {
                     if b {
                         self.wave_position = (self.wave_position + 1) % 8;
                     }
-                (self.duty_cycle.as_waveform()[self.wave_position] as f32 * (-2.)) + 1.
+                    self.dac(self.duty_cycle.as_waveform()[self.wave_position])
                 })
                 .collect()
+        } else {
+            vec![0.; steps]
+        }
+    }
+
+    fn dac(&self, digital: u8) -> f32 {
+        ((digital as f32) * (-2.)) + 1.
     }
 
     pub(super) fn update_sweep(&mut self, pace: u8, mode: EnvelopeMode, slope: u8) {