This is a portion of the output of xev on my AVLinux 2rc2 install, when I press the Music, Play, Stop, Previous, Next, Mute buttons.
KeyPress event, serial 35, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1422949, (207,318), root:(694,382),
state 0x0, keycode 179 (keysym 0x1008ff81, XF86Tools), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1423133, (207,318), root:(694,382),
state 0x10, keycode 179 (keysym 0x1008ff81, XF86Tools), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1423787, (207,318), root:(694,382),
state 0x10, keycode 172 (keysym 0x1008ff14, XF86AudioPlay), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1423978, (207,318), root:(694,382),
state 0x10, keycode 172 (keysym 0x1008ff14, XF86AudioPlay), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1424657, (207,318), root:(694,382),
state 0x10, keycode 171 (keysym 0x1008ff17, XF86AudioNext), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1424864, (207,318), root:(694,382),
state 0x10, keycode 171 (keysym 0x1008ff17, XF86AudioNext), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1425447, (207,318), root:(694,382),
state 0x10, keycode 173 (keysym 0x1008ff16, XF86AudioPrev), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1425670, (207,318), root:(694,382),
state 0x10, keycode 173 (keysym 0x1008ff16, XF86AudioPrev), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1426340, (207,318), root:(694,382),
state 0x10, keycode 121 (keysym 0x1008ff12, XF86AudioMute), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1426548, (207,318), root:(694,382),
state 0x10, keycode 121 (keysym 0x1008ff12, XF86AudioMute), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
KeyPress event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1427226, (207,318), root:(694,382),
state 0x10, keycode 174 (keysym 0x1008ff15, XF86AudioStop), same_screen YES,
XLookupString gives 0 bytes:
XmbLookupString gives 0 bytes:
XFilterEvent returns: False
KeyRelease event, serial 37, synthetic NO, window 0x2000001,
root 0x7e, subw 0x0, time 1427457, (207,318), root:(694,382),
state 0x10, keycode 174 (keysym 0x1008ff15, XF86AudioStop), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False