PVR recording method, smart television and computer readable storage medium

The invention discloses a PVR recording method. The PVR recording method comprises the steps of obtaining a PMT table and an EIT table of a television program in a recording process of the televisionprogram, and judging whether the PMT table and the EIT table are changed or not; and if the PMT table and/or the EIT table are/is changed, obtaining key frame data of the television program at the moment when the PMT table and/or the EIT table are/is changed, and storing the obtained key frame data. The invention further discloses a smart television and a computer readable storage medium. According to the invention, a user is facilitated to preview the key frame data when playing back the recorded video, the video playback position is determined according to the key frame data, the workload that the user needs to manually set a key frame picture is avoided, and thus the television program playback experience of the user is improved. 本发明公开了一种PVR录制方法，所述PVR录制方法包括：在电视节目录制过程中，获取所述电视节目的PMT表和EIT表，并判断所述PMT表和EIT表是否发生变化；若所述