- 777 名前：login:Penguin mailto:sage [2011/01/13(木) 06:40:13 ID:hsRc+Gw0]
- -brightness <-100 - 100>
Adjust the brightness of the video signal (default: 0). Not supported by all video output drivers.
-contrast <-100 - 100>
Adjust the contrast of the video signal (default: 0). Not supported by all video output drivers.
-hue <-100 - 100>
Adjust the hue of the video signal (default: 0). You can get a colored negative of the image with this option.
Not supported by all video output drivers.
