- 专利标题: VIDEO RECORDING METHOD AND DEVICE
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申请号: EP18894655.2申请日: 2018-12-27
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公开(公告)号: EP3700222A1公开(公告)日: 2020-08-26
- 发明人: CHAKRABORTY, Chiranjib , LUO, Huamin , WANG, Zhitao , LI, Ning
- 申请人: Huawei Technologies Co. Ltd.
- 申请人地址: Huawei Administration Building Bantian Longgang District, Shenzhen Guangdong 518129 CN
- 专利权人: Huawei Technologies Co. Ltd.
- 当前专利权人: Huawei Technologies Co. Ltd.
- 当前专利权人地址: Huawei Administration Building Bantian Longgang District, Shenzhen Guangdong 518129 CN
- 代理机构: Thun, Clemens
- 优先权: CN201711490252 20171229
- 国际公布: WO2019129116 20190704
- 主分类号: H04N21/4367
- 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.
公开/授权文献
- EP3700222B1 VIDEO RECORDING METHOD AND DEVICE 公开/授权日:2023-01-25
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