Using dvgrab to make single shots

Hi all. I am trying to use dvgrab to make single shots, but I am not getting anywhere. Would anyone know how to do it? So far I have tried the following: dvgrab -i --autosplit --format jpg --jpeg-quality 75 --frames 1 --jpeg-width 640 --jpeg-height 480 figure- and dvgrab -i --format jpg --jpeg-

Using dvgrab to make single shots

Hi all. I am trying to use dvgrab to make single shots, but I am not getting anywhere. Would anyone know how to do it? So far I have tried the following: dvgrab -i --autosplit --format jpg --jpeg-quality 75 --frames 1 --jpeg-width 640 --jpeg-height 480 figure- and dvgrab -i --format jpg --jpeg-