Multistage panic rate control scheme for encoders
US10271053B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2016 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Sep 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/132
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of encoding video is provides encoding of panic scenes efficiently. The method includes receiving an input video at an encoder, reviewing lookahead information from a second encoder that processed the input video ahead of the encoder that indicates positions of panic scenes within the input video that caused the second encoder to enter a panic encoding mode during which it skipped the encoding of frames, entering a pre-panic stage with the encoder ahead of said panic scenes, entering a semi-panic stage with the encoder during the panic scenes when it produces a bitstream having a number of bits exceeding a predetermined data size within an encoder buffer, and entering a full panic stage when the semi-panic stage does not bring the number of bits in the bitstream below the predetermined data size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.