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A method of dynamically adjusting spice image quality in real time

A real-time adjustment and image quality technology, applied in the field of data transmission, can solve the problems of large communication delay and occupying large network bandwidth, and achieve the effect of reducing communication delay and reducing requirements

Active Publication Date: 2019-05-14
SHENZHEN YANTANG TECH
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Problems solved by technology

The current method needs to occupy a relatively large network bandwidth, which cannot be used under low bandwidth conditions, and will cause relatively large communication delays when the bandwidth fluctuates

Method used

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  • A method of dynamically adjusting spice image quality in real time
  • A method of dynamically adjusting spice image quality in real time
  • A method of dynamically adjusting spice image quality in real time

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Embodiment Construction

[0032] Such as figure 1 As shown, the box on the right represents spice-server. First, set up a parameter management module. This module runs inside the spice-server process and reads and writes internal variables used to save parameters. Functional implementation includes:

[0033] a. Modify spice-sever, including:

[0034] 1. Establish a spice image processing module, modify the image frequency data processing program, and add internal parameters. This parameter is used to configure: compression parameters (including image and compression algorithm and compression rate), whether to manually configure (referring to manual configuration of compression parameters or software automatic select compression parameter);

[0035] 2. Add a parameter management module, which starts an independent thread, receives configuration commands from other processes through inter-process communication, and configures internal parameters in real time;

[0036] 3. Add a network processing progr...

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Abstract

The invention provides a method for adjusting spice image quality dynamically in real time. The method comprises the following steps: (1) a parameter management module operating in a spice-server process is set, and reads and writes internal variables used for saving parameters, and a spice picture processing module changes video compression methods in real time according to internal parameters provided by the parameter management module, wherein the internal parameters are used for configuring compression parameters and determining whether the compression parameters are configured manually or not; (2) a spice network communication module corrects the compression parameters of the parameter management module in real time according to network communication conditions, and automatically selects compression parameters; and (3) an external program corrects the compression parameters in real time according to inter-process communication when manual configuration is executed. The method has the advantages that the bandwidth requirement of network communication of a virtual machine can be lowered, the virtual machine can be operated via a network under the condition of low bandwidth, and communication delay is lowered effectively when bandwidth fluctuates.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a method for dynamically and real-time adjusting spice image quality. Background technique [0002] At present, spice-server (server-server) is responsible for processing the spice protocol and network communication. It can exist in the form of a module running inside a virtual machine or an independent process. [0003] Spice is a remote computing solution that provides remote access to the display and devices (such as: keyboard, mouse, audio) of the remote host. The main application is to provide access to the virtual machine. [0004] The virtual machine sends the image data to the spice-server, and after processing by the spice-server, the spice protocol is used to transmit the image to the terminal software through the network, and the transmitted image frequency data is subjected to lossless compression or lossy compression with a fixed compression rate. The current method nee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/02H04L69/162
Inventor 高跃伟
Owner SHENZHEN YANTANG TECH
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