libswscale/swscale.c:1062: error: Uninitialized Value
  The value read from A2 was never initialized.

libswscale/swscale.c:1062:5: 
1060. {
1061.     int i;
1062.     YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C)
          ^
1063. }
1064. 
