redid ffmpeg

src/helpers/normalizeFiletype.ts

@@ -9,4 +9,17 @@ export const normalizeFiletype = (filetype: string): string => {
     default:
       return lowercaseFiletype;
   }
+}
+
+export const normalizeOutputFiletype = (filetype: string): string => {
+  const lowercaseFiletype = filetype.toLowerCase();
+  
+  switch (lowercaseFiletype) {
+    case "jpeg":
+      return "jpg";
+    case "mpeg4":
+      return "mp4";
+    default:
+      return lowercaseFiletype;
+  }
 }