An information processing device comprising: a data processing unit configured to execute a playback process of playing back Ultra-High-Definition (UHD) video data recorded on disc , wherein the data processing unit is configured to acquire a playback control information file corresponding to playback data recorded on disc, acquire multiple pieces of video information corresponding to multiple sets of video data in a same playback segment from the acquired playback control information file, and apply the acquired multiple pieces of video information to execute a decoding and playback process of decoding and playing back the multiple sets of video data in the same playback segment, and the multiple pieces of video information corresponding to the multiple sets of video data acquired by the data processing unit is two pieces of video information corresponding to the following two sets of video data video information regarding Blu-ray (registered trademark) disc movie high dynamic range video data (primary video stream), and video information regarding enhancement layer video data (enhancement layer video stream). a data processing unit configured to execute a playback process of playing back Ultra-High-Definition (UHD) video data recorded on disc , wherein the data processing unit is configured to acquire a playback control information file corresponding to playback data recorded on disc, acquire multiple pieces of video information corresponding to multiple sets of video data in a same playback segment from the acquired playback control information file, and apply the acquired multiple pieces of video information to execute a decoding and playback process of decoding and playing back the multiple sets of video data in the same playback segment, and the multiple pieces of video information corresponding to the multiple sets of video data acquired by the data processing unit is two pieces of video information corresponding to the following two sets of video data video information regarding Blu-ray (registered trademark) disc movie high dynamic range video data (primary video stream), and video information regarding enhancement layer video data (enhancement layer video stream). acquire a playback control information file corresponding to playback data recorded on disc, acquire multiple pieces of video information corresponding to multiple sets of video data in a same playback segment from the acquired playback control information file, and apply the acquired multiple pieces of video information to execute a decoding and playback process of decoding and playing back the multiple sets of video data in the same playback segment, and the multiple pieces of video information corresponding to the multiple sets of video data acquired by the data processing unit is two pieces of video information corresponding to the following two sets of video data video information regarding Blu-ray (registered trademark) disc movie high dynamic range video data (primary video stream), and video information regarding enhancement layer video data (enhancement layer video stream). video information regarding Blu-ray (registered trademark) disc movie high dynamic range video data (primary video stream), and video information regarding enhancement layer video data (enhancement layer video stream). <EOS>