The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 14, 2021

Filed:

Jun. 03, 2020
Applicant:

Huawei Technologies Co., Ltd., Guangdong, CN;

Inventors:

Chiranjib Chakraborty, Shenzhen, CN;

Huamin Luo, Bristol, GB;

Zhitao Wang, Shenzhen, CN;

Ning Li, Chengdu, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/80 (2006.01); H04N 21/434 (2011.01); H04N 21/2347 (2011.01); H04N 21/4147 (2011.01); H04N 21/433 (2011.01);
U.S. Cl.
CPC ...
H04N 21/4341 (2013.01); H04N 21/23476 (2013.01); H04N 21/4147 (2013.01); H04N 21/4334 (2013.01);
Abstract

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 marked audio data and the marked 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.


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