VAR_GAMMA_B       135 libavfilter/vf_eq.c     eq->var_values[VAR_GAMMA_B]      =  av_clipf(av_expr_eval(eq->gamma_b_pexpr,      eq->var_values, eq),  0.1, 10.0);
VAR_GAMMA_B       139 libavfilter/vf_eq.c     eq->param[1].gamma = sqrt(eq->var_values[VAR_GAMMA_B] / eq->var_values[VAR_GAMMA_G]);