Update API

src/bind/ffmpeg/bind.js

@@ -50,7 +50,7 @@ function printErr(message) {
     Module["logger"]({ type: "stderr", message });
 }
 
-function exec(_args) {
+function exec(..._args) {
   const args = [...Module["DEFAULT_ARGS"], ..._args];
   try {
     Module["_ffmpeg"](args.length, stringsToPtr(args));

src/types/ffmpeg/ffmpeg.d.ts

@@ -24,7 +24,7 @@ export interface FFmpegModule {
   ret: number;
   timeout: number;
 
-  exec: (args: string[]) => number;
+  exec: (...args: string[]) => number;
   reset: () => void;
   setLogger: (logger: (log: Log) => void) => void;
   setTimeout: (timeout: number) => void;