+ {"n_threads", "Set number of threads to be used when computing vmaf.", OFFSET(n_threads), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT_MAX, FLAGS},
+ {"n_subsample", "Set interval for frame subsampling used when computing vmaf.", OFFSET(n_subsample), AV_OPT_TYPE_INT, {.i64=1}, 1, UINT_MAX, FLAGS},
+ {"enable_conf_interval", "Enables confidence interval.", OFFSET(enable_conf_interval), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},