PRECISION_DOUBLE   69 libavfilter/af_volume.c             OFFSET(precision), AV_OPT_TYPE_INT, { .i64 = PRECISION_FLOAT }, PRECISION_FIXED, PRECISION_DOUBLE, A|F, "precision" },
PRECISION_DOUBLE   72 libavfilter/af_volume.c         { "double", "select 64-bit floating-point", 0, AV_OPT_TYPE_CONST, { .i64 = PRECISION_DOUBLE }, INT_MIN, INT_MAX, A|F, "precision" },
PRECISION_DOUBLE  150 libavfilter/af_volume.c         [PRECISION_DOUBLE] = {