A video server to transmit a plurality of video information, set to a the decode processing mode, the decode processing mode including a combination of allocation, a decoding method, and a buffering method, an allocation indicating which read port of a storage the designated content is output from, the decoding method being for a plurality of decoders, the buffering method being for a plurality of output buffers, the decoding method and the buffering method being based on each of the output modes, and to output a control signal with reference to an identification information depending on the set connection pattern and the set decode processing mode so that connection between an output interface port and an allocated read port is established, the control signal setting the destination of each of the selectors.