{"protocol_whitelist","List of protocols that are allowed to be used",OFFSET(protocol_whitelist),AV_OPT_TYPE_STRING,{.str=NULL},CHAR_MIN,CHAR_MAX,D},
{"protocol_blacklist","List of protocols that are not allowed to be used",OFFSET(protocol_blacklist),AV_OPT_TYPE_STRING,{.str=NULL},CHAR_MIN,CHAR_MAX,D},
{"rw_timeout","Timeout for IO operations (in microseconds)",offsetof(URLContext,rw_timeout),AV_OPT_TYPE_INT64,{.i64=0},0,INT64_MAX,AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM},