und schon wieder hat pengvado am encodingspeed geschraubt
r510: * common/ppc/pixel.c: fixed illegal implicit casts of vector types.
r511: Before evaluating the RD score of any mode, check satd and abort if it's much worse than some other mode.
Also apply more early termination to intra search.
speed at -m1:+1%, -m4:+3%, -m6:+8%, -m7:+20%
r512: Use sa8d instead of satd for i8x8 search.
+.01 dB, -.5% speed