Video transmission method and system and device
US11553221B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2019 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Dec 26, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video transmission method, system and a device includes a sending device that generates and sends a source video stream, where the source video stream includes a plurality of video data packets, each video data packet includes discard indication information, a discard priority indicated by discard indication information included in a first video data packet is higher than a discard priority indicated by discard indication information included in a second video data packet, video data in a video frame whose frame type is a non-reference B frame is encapsulated into the first video data packet, and video data in a video frame whose frame type is an I frame, a P frame, or a reference B frame is encapsulated into the second video data packet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.