An information processing device comprising: a wireless communication unit adapted to perform media transmission to a first information processing device and a second information processing device ; and a control unit adapted to perform control to exchange information in a device discovery process or a capability checking process in a case where the media transmission is newly performed to a second information processing device during the media transmission to a first information processing device , wherein said information is information for deciding a communication path for performing the media transmission to the first information processing device and the second information processing device or a data transmission format used when the media transmission is performed; wherein, in a case where a first data transmission format used by the first information processing device is switched to a second data transmission format usable by the second information processing device in the device discovery process or the capability checking process, the control unit is adapted to switch a data transmission format used by the first information processing device to the second data transmission format and is adapted to then set the second data transmission format as a data transmission format used by the second information processing device ; characterized in that , when the first device does not permit the switch of the data transmission format, the device performs media transportation to the first device and the second device in different formats; and wherein the device decides which of the first and second devices is a connection target for the media transmission based on priority levels associated with the first and second devices. a wireless communication unit adapted to perform media transmission to a first information processing device and a second information processing device ; and a control unit adapted to perform control to exchange information in a device discovery process or a capability checking process in a case where the media transmission is newly performed to a second information processing device during the media transmission to a first information processing device , wherein said information is information for deciding a communication path for performing the media transmission to the first information processing device and the second information processing device or a data transmission format used when the media transmission is performed; wherein, in a case where a first data transmission format used by the first information processing device is switched to a second data transmission format usable by the second information processing device in the device discovery process or the capability checking process, the control unit is adapted to switch a data transmission format used by the first information processing device to the second data transmission format and is adapted to then set the second data transmission format as a data transmission format used by the second information processing device ; characterized in that , when the first device does not permit the switch of the data transmission format, the device performs media transportation to the first device and the second device in different formats; and wherein the device decides which of the first and second devices is a connection target for the media transmission based on priority levels associated with the first and second devices. <EOS>