Muxer sdl [SDL output device]:
    Default video codec: rawvideo.
sdl outdev AVOptions:
-window_title      <string>     E..... set SDL window title
-icon_title        <string>     E..... set SDL iconified window title
-window_size       <image_size> E..... set SDL window forced size
-window_fullscreen <int>        E..... set SDL window fullscreen (from INT_MIN to INT_MAX)

