-extern const int ff_dv_iweight_88[64];
-extern const int ff_dv_iweight_248[64];
-extern const int ff_dv_iweight_1080_y[64];
-extern const int ff_dv_iweight_1080_c[64];
-extern const int ff_dv_iweight_720_y[64];
-extern const int ff_dv_iweight_720_c[64];
-