Add the glue code to call Bliss functions and return JS values
This commit is contained in:
parent
b4d5019d83
commit
5fd2ef3902
1
.gitignore
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.gitignore
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@ -1,2 +1,3 @@
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target
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node_modules
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index.node
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55
Cargo.lock
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55
Cargo.lock
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@ -244,7 +244,7 @@ checksum = "c688fc74432808e3eb684cae8830a86be1d66a2bd58e1f248ed0960a590baf6f"
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dependencies = [
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"glob",
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"libc",
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"libloading 0.7.4",
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"libloading",
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]
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[[package]]
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@ -693,16 +693,6 @@ version = "0.2.151"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
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[[package]]
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name = "libloading"
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version = "0.6.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "351a32417a12d5f7e82c368a66781e307834dae04c6ce0cd4456d52989229883"
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dependencies = [
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"cfg-if",
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"winapi 0.3.9",
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]
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[[package]]
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name = "libloading"
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version = "0.7.4"
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@ -845,45 +835,29 @@ dependencies = [
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[[package]]
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name = "neon"
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version = "0.10.1"
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version = "1.0.0-alpha.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "28e15415261d880aed48122e917a45e87bb82cf0260bb6db48bbab44b7464373"
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checksum = "8687031acf51f8b065aaf906b5a694f8d6b547c5c9430b6d636ab42422bfd0cc"
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dependencies = [
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"neon-build",
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"libloading",
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"neon-macros",
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"neon-runtime",
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"once_cell",
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"semver",
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"send_wrapper",
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"smallvec",
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]
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[[package]]
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name = "neon-build"
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version = "0.10.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8bac98a702e71804af3dacfde41edde4a16076a7bbe889ae61e56e18c5b1c811"
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[[package]]
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name = "neon-macros"
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version = "0.10.1"
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version = "1.0.0-alpha.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b7288eac8b54af7913c60e0eb0e2a7683020dffa342ab3fd15e28f035ba897cf"
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checksum = "facd664405d5140677a63d7b7c5762425dd9d4179e07d2e67da29089c50b1ddd"
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dependencies = [
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"quote",
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"syn 1.0.109",
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"syn-mid",
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]
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[[package]]
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name = "neon-runtime"
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version = "0.10.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4676720fa8bb32c64c3d9f49c47a47289239ec46b4bdb66d0913cc512cb0daca"
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dependencies = [
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"cfg-if",
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"libloading 0.6.7",
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"smallvec",
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]
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[[package]]
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name = "noisy_float"
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version = "0.2.0"
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@ -1373,18 +1347,15 @@ checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
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[[package]]
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name = "semver"
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version = "0.9.0"
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version = "1.0.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
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dependencies = [
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"semver-parser",
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]
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checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
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[[package]]
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name = "semver-parser"
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version = "0.7.0"
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name = "send_wrapper"
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version = "0.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
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checksum = "cd0b0ec5f1c1ca621c432a25813d8d60c88abe6d3e08a3eb9cf37d97a0fe3d73"
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[[package]]
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name = "serde"
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@ -69,7 +69,7 @@ anyhow = { version = "1.0.58", optional = true }
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indicatif = { version = "0.17.0", optional = true }
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[dependencies.neon]
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version = "0.10.1"
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version = "1.0.0-alpha.4"
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default-features = false
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features = ["napi-6", "channel-api", "promise-api", "try-catch-api"]
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BIN
index.node
BIN
index.node
Binary file not shown.
27
src/lib.rs
27
src/lib.rs
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@ -10,15 +10,32 @@ mod temporal;
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mod timbral;
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mod utils;
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use neon::prelude::*;
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use neon::{prelude::*, types::buffer::TypedArray};
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use song::Song;
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#[neon::main]
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fn main(mut cx: ModuleContext) -> NeonResult<()> {
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cx.export_function("test", test)?;
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cx.export_function("analyze", analyze)?;
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Ok(())
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}
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fn test(mut cx: FunctionContext) -> JsResult<JsNumber> {
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Ok(cx.number(34))
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/// Returns a Uint8Array, with the first 2 bytes being the version in platform endianness
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/// and the rest (currently 80 bytes) being the analysis data in little endian
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fn analyze(mut cx: FunctionContext) -> JsResult<JsUint8Array> {
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let path = cx.argument::<JsString>(0)?.value(&mut cx);
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let song = Song::from_path(path)
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.or_else(|e| cx.throw_error(e.to_string()))?;
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let version_bytes = song.features_version.to_ne_bytes();
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let analysis_bytes = song.analysis.as_bytes();
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let mut buffer_handle = JsUint8Array::new(
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&mut cx,
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analysis_bytes.len() + version_bytes.len(),
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)?;
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let buffer = buffer_handle.as_mut_slice(&mut cx);
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buffer[0..version_bytes.len()].copy_from_slice(&version_bytes);
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buffer[version_bytes.len()..].copy_from_slice(&analysis_bytes);
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Ok(buffer_handle)
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}
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