Scalable video transmission method, device and system
A video transmission and video technology, applied in transmission systems, selective content distribution, image communication, etc., can solve the problems of scheduling technical details and difficult implementation of scalable video between the client and the server, and achieve good video communication. Quality, smooth video communication effect
Inactive Publication Date: 2016-08-24
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI +1
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[0008] To sum up, the video transmission technology in the prior art only writes that the video can be encoded and transmitted in a scalable manner, and it is also mentioned that the heterogeneous characteristics of the hardware require scalable video encoding and transmission, but it does not specify the client The technical details of scheduling scalable video with the server through a certain protocol, and there is no decision-making scheme for scalable scheduling combined with the performance of specific heterogeneous hardware, and the existing public documents are based on the RTSP protocol for brief descriptions. Code-level specific and flexible implementation
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[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0034] see figure 1 , is a flowchart of a scalable video transmission method according to an embodiment of the present invention. The scalable video transmission method of the embodiment of the present invention comprises the following steps:
[0035] Step 100: the client initiates a SIP registration request to the SIP server;
[0036] Step 200: The SIP server receives the SIP registration request, obtains the parameter information corresponding to the client to perform SIP registration, and returns registration success information to the client;
[0037] In step 200, the acquired client paramet...
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The invention belongs to the technical field of multimedia communication, and in particular relates to a scalable video transmission method, device and system. The scalable video transmission method comprises the following steps of: a, receiving hardware configuration information and real-time network speed information of a client side; b, performing hardware grade division of the client side according to the hardware configuration information; and c, determining the grade of a video according to the hardware grade division and the real-time network speed information, and sending the video data corresponding to the grade according to the determined video grade. According to the scalable video transmission method, device and system disclosed by the invention, video communication is smoother; and better video communication quality still can be kept when a heterogeneous client side and the network speed are changed.
Description
technical field [0001] The invention belongs to the technical field of multimedia communication, and in particular relates to a scalable video transmission method, device and system. Background technique [0002] Since there are more and more heterogeneous clients, the hardware performance (such as resolution, CPU, memory, GPU, etc.) of different clients varies greatly, resulting in great differences in computing capabilities of different clients. Computer networks are becoming more and more complex, and fixed networks are prone to fluctuations, especially now that more and more second- and third-tier network operators provide broadband access, bandwidth speed and stability are not guaranteed, mobile devices 2.5G, 3G , 4G networks exist at the same time, and the network speed varies greatly. This requires scalable video transcoding on the server, and then scalable video push based on client hardware performance and real-time network speed. [0003] SIP (Session Initiation ...
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IPC IPC(8): H04N21/6437H04L29/06
CPCH04L65/1066H04L65/1073H04N21/6437H04L65/65
Inventor 王卡风须成忠周旭智
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI