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Code stream sending method and device

A transmission method and code stream technology, applied in the field of code stream transmission method and device, can solve problems such as insufficient transmission bandwidth, and achieve the effect of improving bandwidth capacity

Active Publication Date: 2018-06-05
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention provides a code stream sending method and device to at least solve the problem of insufficient transmission bandwidth caused by using a single transmission link to transmit code streams

Method used

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  • Code stream sending method and device
  • Code stream sending method and device

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Embodiment Construction

[0033] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0034] The steps shown in the flow diagrams of the figures may be implemented in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, may be executed differently from this The steps shown or described are performed in the order shown or described.

[0035] This embodiment provides a code stream sending method, figure 1 is a schematic flowchart of a code stream sending method according to an embodiment of the present invention, such as figure 1 As shown, the process includes the following steps:

[0036] Step S102, according to multiple coding rates, respectively encode the code stream into data frame...

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Abstract

The invention provides a code stream transmitting method and a code stream transmitting device. The code stream transmitting method comprises the following steps of respectively coding a code stream into data frames in various transmitting levels according to a plurality of coding rates; determining a transmitting level supported by a plurality of transmitting links according to the network state of the transmitting links; and transmitting the data frame which corresponds to the determined transmitting level through the transmitting links. By the code stream transmitting method and the code stream transmitting device, the problem that transmission bandwidth is insufficient due to the fact that a single transmitting link is used for transmitting a code stream in the prior art is solved, so that the bandwidth capacity of the transmitting links is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a code stream sending method and device. Background technique [0002] Explanation of terms: [0003] I frame: An intra-coded frame that can be decoded independently without depending on other images, and the I frame is generally a reference frame. I frames generally appear at certain intervals (such as 1 second, 4 seconds) in the code stream, and the decoding must start from the I frame. [0004] P frame: Unidirectional interframe coded frame. In most cases, P frames are also reference frames. [0005] Wireless network: The wireless network in this application includes mobile communication data networks, such as General Packet Radio Service (GPRS for short), Wideband Code Division Multiple Access (WCDMA for short), data Transmission optimization (Evolution DataOnly, referred to as EVDO) and so on. [0006] In the mobile video surveillance industry, wireless video transmiss...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/647H04N19/164H04N19/152
CPCH04N21/2385H04N21/64738
Inventor 吴腾苏辉章浙锋王晋波
Owner HANGZHOU HIKVISION DIGITAL TECH
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