VAR_GAMMA_G       134 libavfilter/vf_eq.c     eq->var_values[VAR_GAMMA_G]      =  av_clipf(av_expr_eval(eq->gamma_g_pexpr,      eq->var_values, eq),  0.1, 10.0);
VAR_GAMMA_G       138 libavfilter/vf_eq.c     eq->param[0].gamma = eq->var_values[VAR_GAMMA] * eq->var_values[VAR_GAMMA_G];
VAR_GAMMA_G       139 libavfilter/vf_eq.c     eq->param[1].gamma = sqrt(eq->var_values[VAR_GAMMA_B] / eq->var_values[VAR_GAMMA_G]);
VAR_GAMMA_G       140 libavfilter/vf_eq.c     eq->param[2].gamma = sqrt(eq->var_values[VAR_GAMMA_R] / eq->var_values[VAR_GAMMA_G]);