// master node as the first node of a renderfarm. There is no real master node
// of the renderfarm. The BRender object is a thread in order to
// join the forked master node.
// If renderfarm is enabled, the extra renderfarm nodes are treated normally.
// Unfortunately because of the codec problem, only one copy of Cinelerra
// master node as the first node of a renderfarm. There is no real master node
// of the renderfarm. The BRender object is a thread in order to
// join the forked master node.
// If renderfarm is enabled, the extra renderfarm nodes are treated normally.
// Unfortunately because of the codec problem, only one copy of Cinelerra