Title:
BIT RATE CONTROL METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/083286
Kind Code:
A1
Abstract:
The present application provides a bit rate control method and device, and a computer storage medium. The method comprises: obtaining the actual bit rate of a current frame on a current coding layer; determining a current weight of the current coding layer according to the actual bit rate of the current frame; and determining a current target bit rate for the current coding layer on the basis of the remaining bit rate and the current weight of the current coding layer. A current weight of a current coding layer is determined by means of the actual bit rate of a current frame on the current coding layer, and then a current target bit rate for the current coding layer is determined on the basis of the actual bit rate of the current frame on the current coding layer; therefore, the present application takes the characteristics of an encoder into consideration in the process of assigning a target bit rate to a layer, and thus can improve the versatility of a bit rate control algorithm compared with an existing bit rate control scheme.
Inventors:
ZHOU YIMIN (CN)
CHENG XUELI (CN)
CHENG XUELI (CN)
Application Number:
PCT/CN2020/124895
Publication Date:
May 06, 2021
Filing Date:
October 29, 2020
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04N19/124; H04N19/146
Foreign References:
| CN102420987A | 2012-04-18 | |||
| CN108200431A | 2018-06-22 | |||
| CN101917614A | 2010-12-15 | |||
| CN110139101A | 2019-08-16 | |||
| US6192075B1 | 2001-02-20 |
Other References:
WANG YUMEI: "Rate Control for H.264/AVC Encoders Using Hierarchical B Frames", CHINESE MASTER'S THESES FULL-TEXT DATABASE, 1 January 2010 (2010-01-01), pages 1 - 62, XP055807137
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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