公开(公告)号：EP3700222A1

公开(公告)日：2020-08-26

申请号：EP18894655.2

申请日：2018-12-27

申请人： Huawei Technologies Co. Ltd.

发明人： CHAKRABORTY, Chiranjib ,  LUO, Huamin ,  WANG, Zhitao ,  LI, Ning

IPC分类号： H04N21/4367 ,  G11B20/00 ,  H04N21/4147 ,  H04N21/432 ,  H04N21/433 ,  H04N21/434 ,  H04N21/4405 ,  H04N21/4627 ,  H04N5/76 ,  H04N21/44 ,  H04N21/4408 ,  H04N5/913

摘要： This application discloses a video recording apparatus and a video recording method. The video recording apparatus includes a first demultiplexer, configured to: separate program information, audio data, and video data from a transport stream; a marker, configured to: mark the separated audio data and the separated video data, and transmit a mixed stream to an encryption processor, where the mixed stream includes the program information, the marked audio data, and the marked video data; and the encryption processor, configured to: identify the audio data and the video data in the mixed stream, encrypt the identified audio data and the identified video data to obtain encrypted audio data and encrypted video data, and transmit the encrypted audio data, the encrypted video data, and the program information to a memory in a rich execution environment REE for storage, so as to implement video recording.