Multi-channel decoding method and system

A multi-channel, encoding method technology, applied in the field of security, can solve the problems of long waiting time for encoding, long waiting time, waste of application layer resources, etc., and achieve the effect of saving graphics processor resources

Active Publication Date: 2013-08-14
CHONGQING XUNMEI ELECTRONICS
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] There is no waiting algorithm for multi-channel frame capture in the existing graphics processor encoding technology, because the simultaneous frame capture operation will cause the data that needs to be encoded to be queue

Method used

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Embodiment Construction

[0024] In order to make the purpose, technical solution, and advantages of the present invention clearer, a detailed description of a multi-channel decoding method and system specific implementation examples of the present invention will be described below in conjunction with the accompanying drawings.

[0025] refer to image 3 , image 3 is a method flow chart of a preferred embodiment of the present invention,

[0026] Step S401, the encoding channel enters the waiting encoding state at the same time,

[0027] Step S402, the first channel starts to capture packets, while other channels are still in a waiting state,

[0028] Step S403, the encoding of the first channel is started, and the second channel is notified to start capturing packets.

[0029] After all the channels have finished encoding, wait for a time slot of 40 milliseconds before entering the next round of encoding.

[0030] refer to Figure 4 , Figure 4 It is a system structure diagram of a preferred em...

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Abstract

The invention discloses a multi-channel decoding method and system, and aims to solve the problem that a conventional graphics processor coding technique has the defect of lack of a multi-channel screen grab waiting algorithm. The method comprises the following steps: coding channels simultaneously enters into to-be-coded status, a first channel start to capture packages, other channels are still in waiting status, the coding of the first channel starts, and a second channel is notified to start to capture packages. The method and system have the technical effects that an application layer can perform screen grabbing operation only when performing encoding operation to the current channel, screen grabbing operations of other channels are not performed so as to avoid the phenomenon of waiting when screen grabbing operation are performed to other channels, and the resource of a graphics processor is saved.

Description

technical field [0001] The invention relates to the security field, in particular to a multi-channel encoding method and system. Background technique [0002] In recent years, with the rapid development of digital technology and security technology, especially the popularization of network and high-definition equipment, the processing of video data has received more and more attention and attention. Due to the huge amount of video data, many image processing still uses the computing power of the central processing unit to process images. Although the continuous development of hardware technology in recent decades has led to a rapid increase in the processing power of the central processing unit, the central processing unit has The processing speed of encoding and decoding is still far from meeting the needs of the current high-end security industry. A graphics processor with outstanding image processing capabilities is required to process image and video data. Today, graph...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04N7/26H04N19/102
Inventor 谢剑
Owner CHONGQING XUNMEI ELECTRONICS
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