function setNumActiveTranscoders(uint256 _numActiveTranscoders) external onlyControllerOwner {
    transcoderPool.setMaxSize(_numActiveTranscoders);

    emit ParameterUpdate("numActiveTranscoders");
}
function setMaxSize(Data storage self, uint256 _size) public {
    require(_size > self.maxSize, "new max size must be greater than old max size");

    self.maxSize = _size;
}
