Muxer sdl,sdl2 [SDL2 output device]:
    Default video codec: rawvideo.
sdl2 outdev AVOptions:
  -window_title      <string>     E....... set SDL window title
  -window_size       <image_size> E....... set SDL window forced size
  -window_fullscreen <boolean>    E....... set SDL window fullscreen (default false)
  -window_borderless <boolean>    E....... set SDL window border off (default false)


