Make sure you select GLX video output(xcb) from the video settings drop down box.
Open the Catalyst Control Center and under 3D>more settings make sure
vertical refresh is set to Quality-always on.
I have little to no tearing using VLC,Mplayer,XBMC,Dragon Player,Fluendo DVD Player that way..can't comment about other player since I don't use'em or have them installed.
Those who would give up Essential Liberty to purchase a little Temporary Safety,deserve neither Liberty nor Safety.
Ben Franklin 1755