diff --git a/core.js b/core.js
index dc328e1..42bd65c 100644
--- a/core.js
+++ b/core.js
@@ -148,7 +148,7 @@ function ff() {
 
   },
   this.shouldOverwrite = '-y',         // do overwrite if file with same name exists
-  this.threadQueSize = '50',           // preallocation
+  this.threadQueSize = '512',           // preallocation
   this.cameraFormat = 'avfoundation',  // macOS only
   this.screenFormat = 'avfoundation',  // macOS only
   this.cameraDeviceID = '0',           // macOS only
diff --git a/ffmpeg/ffmpeg b/ffmpeg/ffmpeg
index 67639ed..3b83280 100755
Binary files a/ffmpeg/ffmpeg and b/ffmpeg/ffmpeg differ