Video redirection method based on cloud computing

A redirection and cloud computing technology, applied in the field of cloud computing, can solve problems such as image code stream amplification, hardware decoding that does not support video, and weak graphics card capabilities

Inactive Publication Date: 2014-12-10
HUBEI UNIV OF EDUCATION
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  • Abstract
  • Description
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Problems solved by technology

[0004] The graphics cards integrated in today's servers are generally weak and do not support video hardware decoding, and video playback in remote virtual machines requires software decoding; future servers may be equipped with advanced graphics processing units (GPUs), but advanced GPUs do not support multi-channel Video hardware decoding support is very limited (currently up to two channels); and the decoded image code stream is greatly enlarged, and transmission to the local display requires greater network bandwidth overhead

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  • Video redirection method based on cloud computing
  • Video redirection method based on cloud computing
  • Video redirection method based on cloud computing

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Embodiment Construction

[0021] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0022] As shown in Figure 1, the present invention is a frame diagram of video redirection based on cloud computing, which includes the following aspects:

[0023] 1. The virtual machine is set up on the server, and the virtual machine and the server communicate through the first signal channel 103 and the second signal channel 104 through two-way communication;

[0024] 2. The data channel 101 is a data channel for the virtual machine to transmit video streams and audio streams to the client through the Internet;

[0025] 3. The main control channel 102 is ...

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Abstract

The invention discloses a video redirection method based on cloud computing. The video redirection method comprises the steps of analyzing and separating videos on a virtual machine, acquiring the IP address of a client, spreading the videos in a network, and decoding and displaying the videos at the client. According to the invention, a data channel transmits video heads, as well as video data and audio data of all frames, and coordinates and playback rate of a video display region are transmitted to the client through a main-control channel of the cloud desktop protocol; the video heads transmitted from the virtual machine are analyzed to initialize a decoder of the client, video data of all the frames are input into the decoder, and data capable of being directly displayed are output after being decoded; the audio time is utilized as the standard for audio-video synchronization, the positions of the coordinates transmitted to the client from the virtual machine are utilized to display the decoded video images at the client. A video player and remote desktop software work cooperatively to transmit the remotely played video data to the local place, and the video data are decoded to be fused with a desktop transmitted from the virtual machine to be displayed.

Description

technical field [0001] The present invention relates to the technical field of cloud computing, and relates to a video redirection method based on cloud computing, in particular to a video redirection method from a virtual machine to a client decoding and displaying method. [0002] Background technique [0003] Cloud computing is an important innovation in the current computing model. Through the effective integration of various interconnected computing resources and the realization of multi-level virtualization and abstraction, cloud computing effectively provides large-scale computing resources to users in the form of reliable services, thereby transforming users from complex underlying hardware logic and software stacks. Freed from network protocols. More importantly, the service integration and on-demand supply brought by cloud computing will greatly improve the utilization rate of current computing resources, reduce costs and reduce energy consumption. [0004] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2343H04N21/643H04N21/242
Inventor 胡罗凯肖利民杨莉雷州曾艳卢迎
Owner HUBEI UNIV OF EDUCATION
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