Video data transmission system and method and video data decoding method

A technology of video data transmission and video data, which is applied in the field of data transmission, can solve problems affecting enhancement layer decoding, enhancement layer decoding failure, etc., and achieve the effect of ensuring fluency and stable code stream
CN105681826AActive Publication Date: 2016-06-15G NET INTEGRATED SERVICE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
G NET INTEGRATED SERVICE
Publication Date
2016-06-15

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Abstract

The invention provides a video data transmission system and method and a video data decoding method, and relates to the field of data transmission. A server sends multiple independently decodable video compressed code streams to a user terminal according to the connection state of the user terminal; the video compressed code streams are mutually independent, have no coupling; the code streams are stable and are independently decodable; when a network state changes, the fluency of the video can be timely ensured; and the system and the method provided by the invention are applicable to various network conditions.
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Description

technical field

[0001] The present invention relates to the field of data transmission, in particular to a video data transmission system and method and a video data decoding method. Background technique

[0002] Scalable Video Coding (SVC) is a technology that can divide a video stream into multiple layers of resolution, quality and data frame rate. expand. Video conferencing equipment uses SVC technology to send and receive multi-layer enhancement layer video streams consisting of a small base layer and multiple other optional layers that increase resolution, data frame rate, and quality. In the traditional SVC video stream, each video layer is coupled and interacts with each other. The decoding of the enhancement layer depends on the base layer, and the upper and middle layers of the enhancement layer depend on the lower layer. When the decoding of the base layer fails, it will inevitably affect the decoding of the enhancement layer, and then Cause enhancement layer dec...

Claims

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