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Code stream control method and system, code stream management method and system, and terminal device

A control method and code stream technology, applied in the field of video transmission, can solve problems such as large fluctuation of available bandwidth and inability to effectively reduce delay, and achieve the effects of improving rationality, reducing dependence, and reducing impact

Active Publication Date: 2017-07-25
SHANGHAI XIETONG INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a bit stream control method and system, a bit stream management method and system, and a terminal device, which are used to solve the problem that the bit stream control in the prior art cannot target the screen Due to the characteristics of the content, the available bandwidth fluctuates greatly, and the delay cannot be effectively reduced.

Method used

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  • Code stream control method and system, code stream management method and system, and terminal device
  • Code stream control method and system, code stream management method and system, and terminal device
  • Code stream control method and system, code stream management method and system, and terminal device

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Embodiment 1

[0050] This embodiment provides a code flow control method, which is applied to a communication network including a receiving end and a sending end, and the code flow control method includes the following steps:

[0051] The receiving end receives the network data packet sent by the sending end, and performs a step of feedback processing on the network data packet; this step includes:

[0052] Receiving network data packets, counting the data attributes of the network data packets used to calculate the performance indicators of the communication network;

[0053] Evaluate the performance index of the communication network according to the statistical data attributes, and record the frame sequence number of the currently played data frame in the network data packet;

[0054] Feedback the evaluated performance index and the frame sequence number of the currently played data frame to the sender;

[0055] A step in which the sending end adjusts the code stream of the evaluated pe...

Embodiment 2

[0084] This embodiment provides a code flow control system, which is characterized in that it is applied to a communication network including a receiving end and a sending end, and the code flow control system includes:

[0085] A receiving module, configured to receive a network data packet sent by the sending end, and perform feedback processing on the network data packet; wherein the receiving module includes:

[0086] a first communication unit, configured to receive network data packets;

[0087] The first processing unit is configured to count the data attributes of the network data packets used to calculate the performance indicators of the communication network, evaluate the performance indicators of the communication network according to the statistical data attributes, and record the current data in the network data packets The frame sequence number of the data frame being played; and feeding back the evaluated performance index and the frame sequence number of the c...

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Abstract

The invention provides a code stream control method and system, a code stream management method and system, and a terminal device. The code stream control method comprises the following steps: receiving a network data packet, and counting data attributes used for calculating the performance indexes of a communication network of the network data packet; evaluating the performance indexes of the communication network according to the counted data attributes, and recording a frame sequence number of a currently played data frame in the network data packet; feeding back the evaluated performance indexes and the frame sequence number of the currently played data frame to a sending end; and judging whether frame transmission delay is within a predetermined reasonable range in a communication process of a receiving end and the sending end according to the frame sequence number of the currently played data frame fed back by the receiving end, and if so, adjusting the performance indexes of the sending end, so that the performance indexes of the sending end are table. By adoption of the code stream control method, the rationality of bandwidth evaluation is guaranteed to prevent overlarge fluctuation and avoid the pressure to the bandwidth by the overlarge instant code rate in a real-time screen sharing process, and the end-to-end delay is effectively reduced as well.

Description

technical field [0001] The invention belongs to the technical field of video transmission, and relates to a control method, a management method and a system, in particular to a bit stream control method, a bit stream management method and system, and terminal equipment. Background technique [0002] In recent years, with the rapid development of the Internet (Internet), there are more and more demands for real-time sharing of online desktops, such as scenarios such as online education, remote meetings, and remote desktops. Online collaboration has relatively high requirements for real-time performance. At present, the common method is to use video technology to realize real-time desktop sharing. On the one hand, because the video stream itself is suitable for real-time transmission scenarios, on the other hand, the video codec standard is relatively mature and widely used. Many devices Support hardware codec. Compared with ordinary video content, screen content has the char...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/146H04N19/132H04N19/164H04N19/169H04N21/2343H04N21/442
CPCH04N19/132H04N19/146H04N19/164H04N19/188H04N21/2343H04N21/44209H04N21/44245
Inventor 李凯张之收魏振伟
Owner SHANGHAI XIETONG INFORMATION TECH CO LTD
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