CTX_ZPZN_F1        67 libavcodec/dirac_arith.c     [CTX_ZPZN_F1]   = CTX_ZP_F2,
CTX_ZPZN_F1       454 libavcodec/diracdec.c         int sign, sign_pred = 0, pred_ctx = CTX_ZPZN_F1; \