Major refactor to adapt new ffmpeg-core.js

src/utils/getId.js

@@ -1,3 +0,0 @@
-module.exports = (prefix, cnt) => (
-  `${prefix}-${cnt}-${Math.random().toString(16).slice(3, 8)}`
-);

src/utils/getTransferables.js

@@ -1,16 +0,0 @@
-module.exports = (packet) => {
-  const transferables = [];
-  const check = (b) => {
-    if (b instanceof Uint8Array) {
-      transferables.push(b.buffer);
-    } else if (b instanceof ArrayBuffer) {
-      transferables.push(b);
-    }
-  };
-  const { payload: { args, data } } = packet;
-  check(data);
-  if (Array.isArray(args)) {
-    args.forEach((arg) => check(arg));
-  }
-  return transferables;
-};

src/utils/log.js

@@ -6,4 +6,4 @@ exports.setLogging = (_logging) => {
   logging = _logging;
 };
 
-exports.log = (...args) => (logging ? console.log.apply(this, args) : null);
+exports.log = (type, message) => (logging ? console.log(`[${type}] ${message}`) : null);

src/utils/resolvePaths.js

@@ -3,7 +3,7 @@ const resolveURL = isBrowser ? require('resolve-url') : s => s; // eslint-disabl
 
 module.exports = (options) => {
   const opts = { ...options };
-  ['corePath', 'workerPath'].forEach((key) => {
+  ['corePath'].forEach((key) => {
     if (typeof options[key] !== 'undefined') {
       opts[key] = resolveURL(opts[key]);
     }

src/utils/string2pointer.js

@@ -0,0 +1,8 @@
+module.exports = (Module, s) => {
+  const ptr = Module._malloc((s.length + 1) * Uint8Array.BYTES_PER_ELEMENT);
+  for (let i = 0; i < s.length; i += 1) {
+    Module.setValue(ptr + i, s.charCodeAt(i), 'i8');
+  }
+  Module.setValue(ptr + s.length, 0, 'i8');
+  return ptr;
+};

src/utils/stringList2pointer.js

@@ -0,0 +1,12 @@
+const string2pointer = require('./string2pointer');
+
+module.exports = (Module, strList) => {
+  const listPtr = Module._malloc(strList.length * Uint32Array.BYTES_PER_ELEMENT);
+
+  strList.forEach((s, idx) => {
+    const strPtr = string2pointer(Module, s);
+    Module.setValue(listPtr + (4 * idx), strPtr, 'i32');
+  });
+
+  return listPtr;
+};