Use getWasmTableEntry helper in audio_worklet.js. NFC (#24231)

This is now possible thanks for #24190.

Author: sbc100

src/audio_worklet.js

@@ -25,7 +25,7 @@ function createWasmAudioWorkletProcessor(audioParams) {
       assert(opts.callback)
       assert(opts.samplesPerChannel)
 #endif
-      this.callback = wasmTable.get(opts.callback);
+      this.callback = getWasmTableEntry(opts.callback);
       this.userData = opts.userData;
       // Then the samples per channel to process, fixed for the lifetime of the
       // context that created this processor. Note for when moving to Web Audio
@@ -170,12 +170,7 @@ class BootstrapMessages extends AudioWorkletProcessor {
         // conflict with user messages
         messagePort.postMessage({'_wsc': d.callback, args: [d.contextHandle, 1/*EM_TRUE*/, d.userData] });
       } else if (d['_wsc']) {
-#if MEMORY64
-        var ptr = BigInt(d['_wsc']);
-#else
-        var ptr = d['_wsc'];
-#endif
-        wasmTable.get(ptr)(...d.args);
+        getWasmTableEntry(d['_wsc'])(...d.args);
       };
     }
   }

src/lib/libwebaudio.js

@@ -206,6 +206,7 @@ let LibraryWebAudio = {
     }).catch(audioWorkletCreationFailed);
   },
 
+  $_EmAudioDispatchProcessorCallback__deps: ['$getWasmTableEntry'],
   $_EmAudioDispatchProcessorCallback: (e) => {
     let data = e.data;
     // '_wsc' is short for 'wasm call', trying to use an identifier name that

tools/link.py

@@ -1421,6 +1421,7 @@ def limit_incoming_module_api():
 
   if settings.AUDIO_WORKLET:
     add_system_js_lib('libwebaudio.js')
+    settings.DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.append('$getWasmTableEntry')
 
   if not settings.MINIMAL_RUNTIME:
     if 'preRun' in settings.INCOMING_MODULE_JS_API: