dav1d.js - npm Package Compare versions

Comparing version 0.1.0 to 0.1.1

dav1d.js

@@ -48,7 +48,21 @@ // Must be in sync with emcc settings!
 
+function fetchAndInstantiate(data, url, imports) {
+  if (data) return WebAssembly.instantiate(data, imports);
+  const req = fetch(url, {credentials: "same-origin"});
+  if (WebAssembly.instantiateStreaming) {
+    return WebAssembly.instantiateStreaming(req, imports);
+  } else {
+    return req
+      .then(res => res.arrayBuffer())
+      .then(data => WebAssembly.instantiate(data, imports));
+  }
+}
+
 export function create(opts = {}) {
-  const data = opts.wasmData;
+  if (!opts.wasmURL && !opts.wasmData) {
+    return Promise.reject(new Error("Either wasmURL or wasmData shall be provided"));
+  }
   const runtime = getRuntime();
   const imports = {env: runtime};
-  return WebAssembly.instantiate(data, imports).then(wasm => {
+  return fetchAndInstantiate(opts.wasmData, opts.wasmURL, imports).then(wasm => {
     const d = new Dav1d({wasm, runtime});
@@ -64,2 +78,4 @@ d._init();
 class Dav1d {
+  /* Private methods, shall not be used */
+
   constructor({wasm, runtime}) {
@@ -70,2 +86,3 @@ this.FFI = wasm.instance.exports;
     this.ref = null;
+    this.lastFrameRef = null;
   }
@@ -92,3 +109,3 @@ _init() {
     if (unsafe) {
-      this.FFI.djs_free_frame(frameRef);
+      this.lastFrameRef = frameRef;
       return srcData;
@@ -101,2 +118,5 @@ }
   }
+
+  /* Public API methods */
+
   /**
@@ -111,6 +131,8 @@ * Frame decoding, copy of frame data is returned.
   }
+
   /**
-   * Unsafe decoding with minimal overhead. We return pointer to WASM
-   * memory, so you can't call any dav1d.js methods while keeping
-   * reference to it.
+   * Unsafe decoding with minimal overhead, pointer to WebAssembly
+   * memory is returned. User can't call any dav1d.js methods while
+   * keeping reference to it and shall call `unsafeCleanup` when
+   * finished using the data.
    */
@@ -123,4 +145,10 @@ unsafeDecodeFrameAsYUV(obu) {
   }
+  unsafeCleanup() {
+    if (this.lastFrameRef) {
+      this.FFI.djs_free_frame(this.lastFrameRef);
+      this.lastFrameRef = null;
+    }
+  }
 }
 
 export default {create};

package.json

 {
   "name": "dav1d.js",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "WebAssembly AV1 decoder",
   "main": "dav1d.js",
+  "scripts": {
+    "prepublishOnly": "make dav1d.wasm"
+  },
   "repository": {
@@ -7,0 +10,0 @@ "type": "git",

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Lines of code

137

increased by20.18%

Worsened metrics

Total package byte prevSize

388733

decreased by-1.51%

Number of medium supply chain risk alerts

2

increased by100%

No dependency changes