CN109379127B - Data processing method and device - Google Patents
Data processing method and device Download PDFInfo
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- CN109379127B CN109379127B CN201811210239.6A CN201811210239A CN109379127B CN 109379127 B CN109379127 B CN 109379127B CN 201811210239 A CN201811210239 A CN 201811210239A CN 109379127 B CN109379127 B CN 109379127B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
Abstract
The application provides a data processing method and a data processing device, which comprise the following steps: receiving an audio and video data packet sent by a mobile individual soldier; adding the audio and video data packet into a corresponding sending queue according to the identifier of the audio and video data packet; determining the sending rate of the audio and video data packets in the sending queue; and adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result of the sending rate and the set sending rate, so that the problem of network jitter in the communication of the current satellite link is solved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data processing method and apparatus.
Background
In recent years, satellite communication plays an important role in the communication field due to the characteristics of wide coverage range, strong broadcast capability, no limitation of various geographic and topographic conditions, flexible networking, high construction speed and the like. The demand for satellite resources in China is continuously increased, and the convergence of inter-satellite communication, high bandwidth, large capacity, on-satellite switching technology and various service networks becomes an important direction for the development of satellite communication.
In the traditional network communication transmission based on the satellite link, the communication network has the problems of jitter and time delay due to long-distance transmission and the moment movement of a mobile command vehicle, so that the data packet transmission is blocked.
Disclosure of Invention
The application provides a data processing method and a data processing device, which are used for solving the problem of network jitter in the communication of a current satellite link.
In order to solve the above problem, the present application discloses a data processing method, including:
receiving an audio and video data packet sent by a mobile individual soldier;
adding the audio and video data packet into a corresponding sending queue according to the identifier of the audio and video data packet;
determining the sending rate of the audio and video data packets in the sending queue;
and adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result of the sending rate and the set sending rate.
Optionally, after the step of receiving the audio/video data packet sent by the mobile individual soldier, the method further includes:
judging whether the received audio and video data packet from the mobile individual soldier exceeds the set time of the cache;
if not, caching the audio and video data packet.
Optionally, the step of adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result between the sending rate and the set sending rate includes:
calculating the ratio of the sending rate to the set sending rate;
determining an adjustment rate according to the product of the ratio and the sending rate;
and adjusting the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
Optionally, the step of adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result between the sending rate and the set sending rate includes:
when the adjusting rate is larger than the set sending rate, reducing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate;
and when the adjusting rate is smaller than the set sending rate, increasing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
Optionally, the step of determining the transmission rate of the audio/video data packet in the transmission queue includes:
and determining the sending rate of the audio and video data packets according to the change of the number of the audio and video data packets in the set time.
In order to solve the above problem, the present application also discloses a data processing apparatus, including:
the receiving module is used for receiving the audio and video data packet sent by the mobile individual soldier;
the queue module is used for adding the audio and video data packets into corresponding sending queues according to the identifiers of the audio and video data packets;
the first determining module is used for determining the sending rate of the audio and video data packets in the sending queue;
and the comparison module is used for adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result of the sending rate and the set sending rate.
Optionally, the apparatus further comprises:
the judging module is used for judging whether the received audio and video data packet from the mobile individual soldier exceeds the set time of the cache; if not, caching the audio and video data packet.
Optionally, the comparing module includes:
a calculating module, configured to calculate a ratio between the sending rate and the set sending rate;
a second determining module, configured to determine an adjustment rate according to a product of the ratio and the sending rate;
and the adjusting module is used for adjusting the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
Optionally, the adjusting module is specifically configured to, when the adjustment rate is greater than a set sending rate, reduce the sending rate of the audio and video data packets in the sending queue according to the adjustment rate;
and when the adjusting rate is smaller than the set sending rate, increasing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
Optionally, the first determining module is specifically configured to determine a sending rate of the audio/video data packets according to a change in the number of the audio/video data packets within a set time. Compared with the prior art, the method has the following advantages:
the streaming media server receives an audio and video data packet sent by a mobile individual soldier, and according to the identification of the audio and video data packet, the audio and video data packet is added into a corresponding sending queue to be determined, the sending rate of the audio and video data packet in the sending queue is determined, and according to the comparison result of the sending rate and the set sending rate, the sending rate of the audio and video data packet in the sending queue is adjusted, namely according to the comparison result of the sending rate and the set sending rate, the sending rate of the audio and video data packet in the sending queue is improved or reduced, so that the problem that a satellite communication link has network jitter is avoided, and the effect that the audio and video data packet is smooth and is free of blocking within a certain range is achieved.
Of course, it is not necessary for any product to achieve all of the above-described advantages at the same time for practicing the present application.
Drawings
Fig. 1 is a flowchart of a data processing method according to an embodiment of the present application;
fig. 2 is a block diagram of a data processing apparatus according to a second embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Example one
Referring to fig. 1, which shows a flowchart of a data processing method according to an embodiment of the present application, specifically including:
step 101: and the streaming media server receives the audio and video data packet sent by the mobile individual soldier.
Step 102: and the streaming media server judges whether the received audio and video data packet from the mobile individual soldier exceeds the set time of the cache, if not, the step 103 is executed.
Step 103: and caching the audio and video data packet.
In practical application, a satellite link is adopted for communication between the streaming media server and the mobile individual soldier, so that the streaming media server receives the audio and video data packet from the mobile individual soldier and judges whether the received audio and video data packet from the mobile individual soldier exceeds the set time of caching, if so, the audio and video data packet is started to be sent to the video network, and if not, the audio and video data packet is cached.
The setting of the setting time of the cache may be set by a person skilled in the art in any appropriate manner, for example, a threshold may be set by manual experience, or a threshold may be set for a difference value of the historical data, preferably, the setting time of the cache is 300ms, and may also be adjusted according to an actual use environment, which is not limited in this application.
Step 104: and adding the audio and video data packet into a corresponding sending queue according to the identifier of the audio and video data packet.
The audio/video data packets received by the streaming media server may come from one audio/video data packet group or from a plurality of audio/video data packets. When the data comes from one audio and video data packet, only one identifier of the audio and video data packet is provided, and the audio and video data packet is added into a sending queue corresponding to the identifier; when the data packets come from a plurality of audio and video data packets, a plurality of identifiers of the audio and video data packets are provided, and different audio and video data packets can be added into corresponding sending queues respectively according to different identifiers.
Step 105: and determining the sending rate of the audio and video data packets in the sending queue.
In specific application, the sending rate of the audio and video data packets is determined according to the change of the number of the audio and video data packets in the set time of the cache.
In practical application, a separate thread can be started to detect the change of the audio/video packet data in the queue.
Step 106: and adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result of the sending rate and the set sending rate.
In practical application, the sending rate of the audio and video data packets from the streaming media server to the video network is adjusted according to the comparison result of the sending rate and the set sending rate, so that the effective smooth transmission of the audio and video data packets is ensured.
The video network is a real-time large-bandwidth transmission network based on Ethernet hardware, and is a special network for transmitting high-definition video and special protocols at high speed.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
As one implementation manner, the step of adjusting the transmission rate of the audio and video data packets in the transmission queue according to the comparison result between the transmission rate and the set transmission rate includes:
and calculating the ratio of the sending rate to the set sending rate.
And determining the adjustment rate according to the product of the ratio and the sending rate.
And adjusting the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
As one implementation manner, the step of adjusting the transmission rate of the audio and video data packets in the transmission queue according to the comparison result between the transmission rate and the set transmission rate includes:
and when the adjusting rate is greater than the set sending rate, reducing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
And when the adjusting rate is smaller than the set sending rate, increasing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
In practical application, the sending rate may be directly compared with the set sending rate without considering the adjustment rate, and if the sending rate is smaller than the set sending rate, the sending rate of the audio and video data packets in the sending queue is increased. And if the sending rate is greater than the set sending rate, reducing the sending rate of the audio and video data packets in the sending queue.
In this embodiment, the streaming media server receives an audio/video data packet sent by a mobile individual, adds the audio/video data packet into a corresponding sending queue according to an identifier of the audio/video data packet, determines a sending rate of the audio/video data packet in the sending queue, and adjusts the sending rate of the audio/video data packet in the sending queue according to a comparison result of the sending rate and a set sending rate, that is, the sending rate of the audio/video data packet in the sending queue is increased or decreased according to a comparison result of the sending rate and the set sending rate, so that the problem of network jitter in a satellite communication link is avoided, and the effects of smoothness and no jamming of the audio/video data packet are achieved within a certain range.
It should be noted that the foregoing method embodiments are described as a series of acts or combinations for simplicity in explanation, but it should be understood by those skilled in the art that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Based on the description of the method embodiment, the present application further provides a corresponding apparatus embodiment to implement the content described in the method embodiment.
Example two
Referring to fig. 2, a block diagram of a data processing apparatus according to the second embodiment of the present application is shown, which specifically includes:
the receiving module 201 is configured to receive an audio/video data packet sent by a mobile individual soldier.
And the queue module 202 is configured to add the audio and video data packet to a corresponding sending queue according to the identifier of the audio and video data packet.
A first determining module 203, configured to determine a sending rate of the audio/video data packet in the sending queue.
A comparing module 204, configured to adjust a sending rate of the audio and video data packets in the sending queue according to a comparison result between the sending rate and a set sending rate.
Optionally, the apparatus further comprises:
the judging module is used for judging whether the received audio and video data packet from the mobile individual soldier exceeds the set time of the cache; if not, caching the audio and video data packet.
Optionally, the comparing module includes:
a calculating module, configured to calculate a ratio between the sending rate and the set sending rate;
a second determining module, configured to determine an adjustment rate according to a product of the ratio and the sending rate;
and the adjusting module is used for adjusting the sending rate of the audio and video data packets from the streaming media server to the video network according to the adjusting rate.
Optionally, the adjusting module is specifically configured to, when the adjustment rate is greater than a set sending rate, reduce the sending rate of the audio and video data packets in the sending queue according to the adjustment rate;
and when the adjusting rate is smaller than the set sending rate, increasing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
Optionally, the first determining module is specifically configured to determine a sending rate of the audio/video data packets according to a change in the number of the audio/video data packets within a set time.
In this embodiment, the streaming media server receives an audio and video data packet sent by a mobile individual, adds the audio and video data packet into a corresponding sending queue according to an identifier of the audio and video data packet, determines a sending rate of the audio and video data packet in the sending queue, and adjusts the sending rate of the audio and video data packet in the sending queue according to a comparison result of the sending rate and a set sending rate, that is, increases or decreases the sending rate of the audio and video data packet in the sending queue according to a comparison result of the sending rate and the set sending rate, so that a problem of network jitter in a satellite communication link is avoided, and an effect of smooth and unsmooth audio and video data packet in a certain range is achieved.
For the above-mentioned apparatus embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the illustrated method embodiments.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As is readily imaginable to the person skilled in the art: any combination of the above embodiments is possible, and thus any combination between the above embodiments is an embodiment of the present application, but the present disclosure is not necessarily detailed herein for reasons of space.
Embodiments of the present application may be implemented on any device (or devices) that support graphics processing, internet content retrieval, and rendering. These devices include, but are not limited to, personal computers, cluster servers, mobile phones, workstations, embedded systems, game consoles, televisions, set-top boxes, or any other computing device that supports computer graphics and content display. These means may include, but are not limited to, devices having one or more processors and memory that execute and store instructions. These means may include software, firmware, and hardware. The software may include one or more application programs and an operating system. The hardware may include, but is not limited to, a processor, memory, and a display.
The application is operational with numerous general purpose or special purpose computing system environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, and the like.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
In this application, "component," "device," "system," and the like are intended to refer to a computer-related entity, either hardware, a combination of hardware and software, or software in execution. In particular, for example, a component can be, but is not limited to being, a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. Also, an application or script running on a server, or a server, can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers and can be run by various computer-readable media. The components may also communicate by way of local and/or remote processes in accordance with a signal having one or more data packets, e.g., signals from data interacting with another component in a local system, distributed system, and/or across a network of the internet with other systems by way of the signal.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Further, the word "and/or" above means that the relation "and" or "is included herein, wherein: if the scheme A and the scheme B are in an 'and' relationship, the method indicates that the scheme A and the scheme B can be simultaneously included in a certain embodiment; if the scheme a and the scheme B are in an or relationship, this means that in some embodiment, the scheme a may be included separately, or the scheme B may be included separately.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
The data processing method and apparatus provided by the present application are introduced in detail, and a specific example is applied in the present application to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (6)
1. A data processing method is applied to a streaming media server and comprises the following steps:
receiving an audio and video data packet sent by a mobile individual soldier;
adding the audio and video data packet into a corresponding sending queue according to the identifier of the audio and video data packet;
determining the sending rate of the audio and video data packets in the sending queue, specifically comprising: determining the sending rate of the audio and video data packets according to the change of the number of the audio and video data packets within the set time;
adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result between the sending rate and the set sending rate, specifically comprising: adjusting the sending rate of the audio and video data packets from the streaming media server to the video network;
adjusting the sending rate of the audio and video data packets in the sending queue according to the comparison result of the sending rate and the set sending rate, and the adjusting the sending rate comprises the following steps:
calculating the ratio of the sending rate to the set sending rate;
determining an adjustment rate according to the product of the ratio and the sending rate;
and adjusting the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
2. The method of claim 1, wherein the step of receiving audio-video data packets transmitted by the mobile individual is followed by the step of:
judging whether the received audio and video data packet from the mobile individual soldier exceeds the set time of the cache;
if not, caching the audio and video data packet.
3. The method of claim 1, wherein the step of adjusting the transmission rate of the audiovisual data packets in the transmission queue according to the comparison of the transmission rate with the set transmission rate comprises:
when the adjusting rate is larger than the set sending rate, reducing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate;
and when the adjusting rate is smaller than the set sending rate, increasing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
4. A data processing apparatus, applied to a streaming media server, comprising:
the receiving module is used for receiving the audio and video data packet sent by the mobile individual soldier;
the queue module is used for adding the audio and video data packets into corresponding sending queues according to the identifiers of the audio and video data packets;
the first determining module is specifically used for determining the sending rate of the audio and video data packets according to the change of the number of the audio and video data packets in a set time;
a comparison module, configured to adjust a sending rate of the audio and video data packets in the sending queue according to a comparison result between the sending rate and a set sending rate, where the comparison module specifically includes: adjusting the sending rate of the audio and video data packets from the streaming media server to the video network;
the comparison module comprises:
a calculating module, configured to calculate a ratio between the sending rate and the set sending rate;
a second determining module, configured to determine an adjustment rate according to a product of the ratio and the sending rate;
and the adjusting module is used for adjusting the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
5. The apparatus of claim 4, further comprising:
the judging module is used for judging whether the received audio and video data packet from the mobile individual soldier exceeds the set time of the cache; if not, caching the audio and video data packet.
6. The apparatus according to claim 4, wherein the adjusting module is specifically configured to, when the adjustment rate is greater than a set sending rate, decrease the sending rate of the audio/video data packets in the sending queue according to the adjustment rate;
and when the adjusting rate is smaller than the set sending rate, increasing the sending rate of the audio and video data packets in the sending queue according to the adjusting rate.
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| CN105472477A (en) * | 2015-12-08 | 2016-04-06 | 广州华多网络科技有限公司 | Data transmission method, device and equipment |
| CN106954103A (en) * | 2017-03-15 | 2017-07-14 | 烽火通信科技股份有限公司 | The transmission system and its sending method of downlink business in a kind of 100G EPON systems |
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| US10925014B2 (en) * | 2015-07-16 | 2021-02-16 | Samsung Electronics Co., Ltd. | Method and apparatus for synchronization in a network |
| CN105245321A (en) * | 2015-10-10 | 2016-01-13 | 安徽清新互联信息科技有限公司 | Multichannel real-time data transmission method of self-adaptive bandwidth |
| CN106375062A (en) * | 2016-08-29 | 2017-02-01 | 浙江华飞智能科技有限公司 | Control method of remote control system and primary device |
| CN108310766B (en) * | 2018-02-06 | 2021-12-21 | 网易（杭州）网络有限公司 | Data processing method and device, storage medium, processor and terminal |
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| CN105472477A (en) * | 2015-12-08 | 2016-04-06 | 广州华多网络科技有限公司 | Data transmission method, device and equipment |
| CN106954103A (en) * | 2017-03-15 | 2017-07-14 | 烽火通信科技股份有限公司 | The transmission system and its sending method of downlink business in a kind of 100G EPON systems |
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