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Method and device for processing code stream data

A processing device and processing method technology, applied in digital video signal modification, selective content distribution, electrical components, etc., can solve the problems of wasting data transmission bandwidth, wasting client storage space, etc.

Active Publication Date: 2020-10-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The client repeatedly requests the same knowledge layer segment to waste data transmission bandwidth, and repeatedly stores the same knowledge layer segment to waste the client's storage space

Method used

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  • Method and device for processing code stream data
  • Method and device for processing code stream data
  • Method and device for processing code stream data

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Embodiment Construction

[0067] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0068] The current client-oriented system layer video streaming media transmission scheme can adopt a standard framework based on hypertext transfer protocol (English: hypertext transfer protocol, HTTP) dynamic adaptive streaming (English: dynamic adaptive streaming over HTTP, DASH), such as figure 1 , figure 1 It is a schematic diagram of a framework instance of DASH standard transmission adopted by system layer video streaming transmission. The data transmission...

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Abstract

Disclosed are a code stream data processing method and apparatus. The method comprises: a client side obtaining management data of a target knowledge layer segment, wherein the target knowledge layer segment is one of at least one knowledge layer segment included in a code stream, the target knowledge layer segment is relied on by at least two inconsecutive sequence layer segments included in the code stream, and the management data is used to determine a pre-set valid time; the client side parsing the management data, and obtaining the pre-set valid time of the target knowledge layer segment, wherein the at least two inconsecutive sequence layer segments are decoded within the pre-set valid time; the client side determining, according to the pre-set valid time of the target knowledge layer segment, a deletion moment of the target knowledge layer segment; and the client side deleting the target knowledge layer segment during the deleted moment of the target knowledge layer segment. The embodiments of the present invention have the advantages of enhancing the controllability of a storage time of a knowledge layer segment, and improving the applicability of code stream data management.

Description

technical field [0001] The invention relates to the field of streaming media data processing, in particular to a method and device for processing code stream data. Background technique [0002] In traditional video coding, in order to make the coded video support random access function, some random access points (English: random access point) will be inserted into the coded video. The video is divided into multiple video segments with random access function by random access points, referred to as random access segments for short. In traditional technology, an image in a random access segment can only be used as a reference image / reference frame (English: reference picture / reference frame) for other images in the random access segment, that is, inter-frame frames across random access points are not allowed. Prediction (English: Interprediction) greatly limits the efficiency of video encoding / decoding. [0003] In order to mine and utilize the mutual reference information (r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08H04N21/262H04N21/2662H04N21/462
CPCH04N19/65
Inventor 邸佩云范宇群刘欣赵寅
Owner HUAWEI TECH CO LTD
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