cef_browser: simplify and remove probesize argument

src/overlay/obs/cef_browser.py

@@ -55,8 +55,7 @@ class CEFBrowserCapturer:
         }
         cef.Initialize(settings=settings, switches=switches)
         window_info = cef.WindowInfo()
-        parent_window_handle = 0
-        window_info.SetAsOffscreen(parent_window_handle)
+        window_info.SetAsOffscreen(0)
         self.browser = cef.CreateBrowserSync(window_info=window_info, settings=browser_settings, url=self.url)
 
     def run_browser(self):
@@ -114,7 +113,7 @@ class OBSBrowserSource(OBSSource):
         return [FFmpegChain(
             inputs=[FFmpegInput(fifo_path,
                 f='rawvideo', r=runner.rate, s='{}x{}'.format(self.width, self.height), pix_fmt='rgba',
-                follow=1, probesize=8192
+                follow=1
             )],
             runners=[(runner.run_browser, True), runner.output_frames]
         )]