Move argument parsing to different file

TODO

@@ -271,3 +271,10 @@ HDR looks incorrect, brightest point gets cut off.
 Make "screen" capture the preferred monitor.
 
 When webcam support is added add the option to add it as a second video track, to make it easier to edit in video editors.
+
+Fix constant framerate not working properly on amd/intel because capture framerate gets locked to the same framerate as
+    game framerate, which doesn't work well when you need to encode multiple duplicate frames (AMD/Intel is slow at encoding!).
+    It also appears to skip audio frames on nvidia wayland? why? that should be fine, but it causes video stuttering because of audio/video sync.
+
+Add option to set replay recording directory.
+Add the option to record while live streaming (with the same way it's done for replay, but require setting streaming recording directory).