CN108322836A - A kind of method and device of data transmission - Google Patents
A kind of method and device of data transmission Download PDFInfo
- Publication number
- CN108322836A CN108322836A CN201810069130.9A CN201810069130A CN108322836A CN 108322836 A CN108322836 A CN 108322836A CN 201810069130 A CN201810069130 A CN 201810069130A CN 108322836 A CN108322836 A CN 108322836A
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- Prior art keywords
- video information
- receiving device
- serial number
- video
- sent
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6375—Control signals issued by the client directed to the server or network components for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
Abstract
The method of data transmission provided by the invention, belongs to field of communication technology.This method includes：Video information to be transmitted is obtained, video information includes video data and the corresponding serial number of video data；Video information is sent to receiving device；When receiving the request message of the first serial number of the first video information for carrying loss of receiving device transmission, corresponding first video information of the first serial number is obtained, the first video information includes that the first serial number and the first serial number correspond to video data；The first video information is retransmitted to receiving device.Using method provided by the invention, the transmission quality of flow data can be improved.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of method and device of data transmission.
Background technology
In live scene, need by collection in worksite to screen data (be properly termed as by the server near scene
Divide sweet point server) it is sent to IDC (Internet Data Center, Internet data center) computer rooms and multicast network service
Device.These flow datas need to carry out according to relevant agreement from during a point sweet point server is sent to multicast network server
Transmission.
When transmitting flow data, it can use and be based on UDP (User Datagram Protocol, User Datagram Protocol)
The communication protocol of realization, for example, using RTP (Real-time Transport Protocol, real-time transport protocol) into line number
According to transmission.Using the agreement based on UDP when carrying out data transmission, without retransmission mechanism, sending ending equipment is according to preset frequency
Rate continues to send flow data to receiving device, and after receiving device receives flow data, whether stream data has the feelings of loss
Condition is without checking.
Since the communication protocol based on UDP is when carrying out Stream Data Transmission, without retransmission mechanism, it is easy to cause flow data and loses
It loses, the reliability of transmission is low.
Invention content
The embodiment of the present invention is designed to provide a kind of method and device of data transmission, can improve the biography of flow data
Transmission quality.Specific technical solution is as follows：
In a first aspect, providing a kind of method of data transmission, the method is applied to sending ending equipment, the method packet
It includes：
Video information to be transmitted is obtained, the video information includes video data and the corresponding sequence of the video data
Number；
The video information is sent to receiving device；
When the request for the first serial number for receiving the first video information for carrying loss that the receiving device is sent
When message, obtain corresponding first video information of first serial number, first video information include first serial number and
First serial number corresponds to video data；
First video information is retransmitted to the receiving device.
Optionally, described that the video information is sent to receiving device, including：
It is the video information allocation of transmission resources according to preset video transmission rate；
The video information is sent to receiving device based on the transfer resource.
Optionally, the acquisition video information to be transmitted, including：
Obtain video data to be transmitted；
The corresponding serial number of the video data is set according to preset data assembly strategy, obtains video letter to be transmitted
Breath.
Optionally, the number of the receiving device is multiple, the method includes：
Obtain the operating status of the multiple receiving device；
If according to the operating status of the first receiving device for receiving the video information, judgement described first connects
Receiving end equipment fault determines the receiving device of normal operation, and will be described then according to the operating status of other receiving devices
Video information is sent to the receiving device determined.
Optionally, between the sending ending equipment and the receiving device there are multiple relay devices, it is described will be described
Video information is sent to receiving device, including：
The distance of each relay device is obtained, is determined apart from nearest target relay device；
The video information is sent to the target relay device, so that the target relay device believes the video
Breath is sent to receiving device.
Second aspect, the method for providing another data transmission, the method are applied to receiving device, the method
Including：
After receiving the preset number video information of sending ending equipment transmission, by the preset number video information
It is ranked up, determines corresponding first serial number of the first video information lost, the video information includes video data and institute
State the corresponding serial number of video data；
Request message is sent to sending ending equipment, first serial number is carried in the request message；
First video information that the sending ending equipment is sent is received, first video information includes described first
Serial number and corresponding first video data of first serial number.
The third aspect, provides a kind of device of data transmission, and described device is applied to sending ending equipment, described device packet
It includes：
First acquisition module, for obtaining video information to be transmitted, the video information includes video data and institute
State the corresponding serial number of video data；
First sending module, for the video information to be sent to receiving device；
Second acquisition module, for when the first video information for carrying loss for receiving the receiving device transmission
The first serial number request message when, obtain corresponding first video information of first serial number, the first video information packet
It includes first serial number and first serial number corresponds to video data；
Second sending module, for retransmitting first video information to the receiving device.
Optionally, first sending module, including：
Distribution module, for being the video information allocation of transmission resources according to preset video transmission rate；
The video information is sent to receiving device by third sending module for being based on the transfer resource.
Optionally, first acquisition module, including：
Third acquisition module, for obtaining video data to be transmitted；
Setup module is waited for for the corresponding serial number of the video data to be arranged according to preset data assembly strategy
The video information of transmission.
Optionally, the number of the receiving device is multiple, and described device includes：
4th acquisition module, the operating status for obtaining the multiple receiving device；
If according to the operating status of the first receiving device for receiving the video information, judgement described first connects
Receiving end equipment fault determines the receiving device of normal operation, and will be described then according to the operating status of other receiving devices
Video information is sent to the receiving device determined.
Optionally, there are multiple relay devices, first hairs between the sending ending equipment and the receiving device
Module is sent, including；
Determining module, the distance for obtaining each relay device are determined apart from nearest target relay device；
4th sending module, for the video information to be sent to the target relay device, so that in the target
Turn equipment and the video information is sent to receiving device.
Fourth aspect, provides the device of another data transmission, and described device is applied to receiving device, described device
Including：
Sorting module, for after receiving the preset number video information of sending ending equipment transmission, described will preset
Number video information is ranked up, and is determined corresponding first serial number of the first video information lost, is wrapped in the video information
Include video data and the corresponding serial number of the video data；
Sending module carries first sequence for sending request message to sending ending equipment in the request message
Number；
Receiving module, first video information sent for receiving the sending ending equipment, the first video letter
Breath includes first serial number and corresponding first video data of first serial number.
5th aspect, provides a kind of sending ending equipment, the sending ending equipment includes processor, communication interface, storage
Device and communication bus, wherein the processor, the communication interface, the memory are completed mutual by the communication bus
Between communication；
The memory, for storing computer program；
The processor when for executing the program stored on the memory, is realized described in above-mentioned first aspect
The method and step of data transmission.
6th aspect, provides a kind of receiving device, the receiving device includes processor, communication interface, storage
Device and communication bus, wherein the processor, the communication interface, the memory are completed mutual by the communication bus
Between communication；
The memory, for storing computer program；
The processor when for executing the program stored on the memory, is realized described in above-mentioned second aspect
The method and step of data transmission.
7th aspect, provides a kind of computer readable storage medium, is stored in the computer readable storage medium
Computer program, the computer program realize the method step of the data transmission described in above-mentioned first aspect when being executed by processor
Suddenly.
Eighth aspect provides another computer readable storage medium, is stored in the computer readable storage medium
There are computer program, the computer program realizes the data transmission described in above-mentioned second aspect method when being executed by processor
Step.
A kind of method and device of data transmission provided in an embodiment of the present invention, by obtaining video information to be transmitted,
Video information includes video data and the corresponding serial number of video data, and video information is sent to receiving device, works as reception
When the request message of the first serial number of the first video information for carrying loss sent to receiving device, the first serial number is obtained
Corresponding first video information, the first video information include that the first serial number and the first serial number correspond to video data, then to receiving terminal
Equipment retransmits the first video information.Using method provided by the invention, the transmission quality of flow data can be improved.Certainly,
It implements any of the products of the present invention or method is not necessarily required to reach all the above advantage simultaneously.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described.
Fig. 1 be the embodiment of the present invention a kind of live scene in transmission of video information system diagram；
Fig. 2 is a kind of method flow diagram of data transmission of the embodiment of the present invention；
Fig. 3 is a kind of apparatus structure schematic diagram of data transmission of the embodiment of the present invention；
Fig. 4 is a kind of apparatus structure schematic diagram of data transmission of the embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of sending ending equipment provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of receiving device provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is described.
The embodiment of the invention discloses a kind of method and devices of data transmission, are described in detail separately below.
As shown in Figure 1, being the system diagram of transmission of video information in a kind of live scene provided in an embodiment of the present invention, this is
System includes a point sweet point server 101, transfer server 102, IDC server in machine room 103 and multicast network server 104.Divide sweet
Near the live streaming scene that point server 101 is distributed throughout the country, during carrying out net cast, point sweet point server
101 can be used for obtaining video data to be transmitted, and it is corresponding that video data then is arranged according to preset data assembly strategy
Video information is sent to transfer server 102 by the mark of serial number and receiving device, the video information after being encapsulated, in
Video data can be transmitted directly to multicast network server 104 by turning server 102, or first be sent to IDC server in machine room
103, then video information is sent to by multicast network server 104 by IDC server in machine room 103；Transfer server 102 can also
Video information is sent to other transfer servers, video information is sent to multicast network clothes by other transfer servers
Business device 104.In the embodiment of the present invention, sending ending equipment can be a point sweet point server, transfer server and IDC computer room services
Device, receiving device can be transfer server, IDC server in machine room and multicast network server.
As shown in Fig. 2, being a kind of method flow diagram of data transmission provided in an embodiment of the present invention, include the following steps：
Step 201, sending ending equipment obtains video information to be transmitted, and video information includes video data and video counts
According to corresponding serial number.
In force, sending ending equipment can obtain video information to be transmitted in real time, may include regarding in video information
Frequency evidence and the corresponding serial number of video data, the corresponding serial number of different video datas is unique.Sending ending equipment and reception
End equipment can distinguish video information by different serial numbers.In the embodiment of the present invention, different sending ending equipments obtains video
The mode of information is different, for example, when sending ending equipment is point sweet point server, it is existing that a point sweet point server can receive live streaming
Video data, is then packaged into according to preset data assembly strategy and waits for by the video data that the equipment of field is sent by video data
The video information of transmission；When sending ending equipment is transfer server, transfer server by point sweet point server received or
The video information that other transfer servers are sent is as video information to be transmitted, further to be forwarded.Work as transmitting terminal
When equipment is IDC server in machine room, IDC server in machine room is using video information that the transfer server device received is sent as waiting for
The video information of transmission.
Optionally, when sending ending equipment is point sweet point server, a point sweet point server can first obtain to be transmitted regard
Frequency evidence obtains video information to be transmitted further according to the corresponding serial number of preset data assembly strategy setting video data.
In force, it after dividing sweet point server to get video data to be transmitted, can be encapsulated according to preset data
Strategy and the sequencing for getting video data set gradually the corresponding serial number of video data, these serial numbers can be according to from small
It is arranged in order to big sequence, the serial number of each video data setting is different.Divide sweet point server can also be according to advance
The destination address of the video data is arranged in the IP address of the receiving device of storage so that video information be sent to it is specified
Receiving device.
In scheme provided in an embodiment of the present invention, after video data is packaged into video information by a point sweet point server, send
End equipment and receiving device can distinguish each video information by the serial number in video information.
Step 202, video information is sent to receiving device by sending ending equipment.
In force, sending ending equipment can be with the IP (Internet of pre-stored multiple receiving devices
Protocol, the agreement interconnected between network) address, then set the IP address of wherein a certain receiving device to the video
The destination address of information, and then according to the destination address, video information is sent to corresponding receiving device.
Optionally, sending ending equipment can be video information to be transmitted distribution transmission according to preset video transmission rate
Resource is then based on the transfer resource and video information to be transmitted is sent to receiving device.
In force, the video information encapsulated using different agreement or assembly strategy has different protocol-identifiers, sends
End equipment can obtain the protocol-identifier of video information to be transmitted, further according to pre-stored protocol-identifier and transmission rate
Correspondence determines the corresponding transmission rate of video information to be transmitted, and corresponding pass then is distributed from total transfer resource
Defeated resource, and video information to be transmitted is sent to by receiving device based on the transfer resource.Wherein, transfer resource can be
Overall transmission rate between bandwidth or sending ending equipment and receiving device.
In scheme provided in an embodiment of the present invention, the video counts of method provided in an embodiment of the present invention encapsulation can will be used
According to transmission rate be arranged to higher value, when sending ending equipment sends the video information, can be seized according to the transmission rate
Transfer resource, in this way, sending ending equipment can rapidly transmit the video information.
Optionally, there are when multiple relay devices between sending ending equipment and receiving device, sending ending equipment can obtain
The distance between each relay device and the sending ending equipment are taken, is determined apart from nearest target species relay device, by video after
Information is sent to target relay device, so that video information is sent to receiving device by target relay device.
In force, when the distance between sending ending equipment and receiving device are far, video information is in transmission process
In the video information distortion that receiving terminal receives led to due to signal decaying and loss of data.To avoid video information from being distorted,
Multiple relay devices can be set between sending ending equipment and receiving device, and sending ending equipment can obtain pre-stored each
The position coordinate value of relay device determines the distance between each relay device and the sending ending equipment by position coordinate value,
It determines after (being properly termed as target relay device) after nearest relay device, sending ending equipment can send video information
Target relay device is given, video information is sent to by receiving device by target relay device.
Scheme provided in an embodiment of the present invention can be with when far at a distance from sending ending equipment is between receiving device
Video information is forwarded by relay device, remote video information transmission may be implemented in this way.
Step 203, receiving device will be preset after receiving the preset number video information of sending ending equipment transmission
Number video information is ranked up, and determines corresponding first serial number of the first video information lost.
In force, receiving device can receive the video information of sending ending equipment transmission, and by these video informations
It is cached.Receiving device can also record the number of the video information received, can when the number reaches preset number
Video information to be ranked up according to the serial number in video information.Receiving device by detect these serial numbers whether continuously come
Determine whether video information loses, if each serial number is continuous, video information is not lost；If serial number is discontinuous, regard
Frequency information is lost, and the serial number of loss is properly termed as the first serial number.
For example, presetting receiving device when receiving the video information of 5 units, these video informations are carried out
One minor sort.Assuming that the serial number for first video information that receiving device receives is 6, the serial number of other 4 video informations
It is 7,8,10,12 respectively, is 6,7,8,10,12 according to being ranked sequentially from small to large, receiving device can be according to serial number
Continuity determines that serial number 9 and serial number 11 correspond to the video information (can become the first video information) of (being properly termed as the first serial number)
It loses.
In scheme provided in an embodiment of the present invention, video information is transmitted to the mistake of multicast network server from point sweet point server
Cheng Zhong need not be parsed, and to improve transmission rate, reduce CPU (Central Processing Unit, center
Processor) occupancy.
Step 204, receiving device sends request message to sending ending equipment.
Wherein, the first serial number is carried in request message.
In force, receiving device is after receiving preset number video information, when the serial number of each video information connects
When continuous, receiving device sends confirmation message to sending ending equipment, confirms that each video information is not lost；When receiving device determines
When first video information is lost, request message can be generated according to the first serial number, the IP address of receiving device, it then will request
Message is sent to sending ending equipment.
Step 205, sending ending equipment is when the first video information for carrying loss for receiving receiving device transmission
When the request message of the first serial number, corresponding first video information of the first serial number is obtained, the first video information includes the first serial number
Video data corresponding with the first serial number.
In force, sending ending equipment can cache preset first number video information, connect when sending video information
Video information is ranked up pre- by receiving end equipment and the video information number of sending ending equipment caching than triggering receiving device
If number is big.When sending ending equipment receives the request message for carrying the first serial number, the first sequence can be obtained from caching
Number corresponding first video information, the first video information includes the first serial number and corresponding first data of the first serial number.
Step 206, sending ending equipment retransmits the first video information to receiving device.
In force, it after sending ending equipment gets the first video information, can be obtained by preset congestion avoidance algorithm
The RTT (Round Trip Time, round-trip delay) and packet loss for taking current network, determine current network congestion, then
The time interval retransmitted every time is adjusted according to network congestion, is prevented when network is poor, due to largely retransmitting number
According to clogging networks, vicious circle is caused.When higher grade (network gets over congestion) of usual network congestion, the time interval of re-transmission is got over
Long, sending ending equipment can select corresponding retransmission time interval according to the network congestion level obtained in real time.Then transmitting terminal
Equipment retransmits receiving device corresponding to the IP address according to the IP address in request message, by the first video information.
In addition, each video information corresponds to a preset RTO (Retransmission Timeout, retransmission time out), when the video
When information needs to retransmit, when the time for retransmitting the video information being more than the RTO corresponding times, sending ending equipment will be lost
Abandon the video information.
Step 207, receiving device receives the first video information that sending ending equipment is sent, and the first video information includes the
One serial number and corresponding first video data of the first serial number.
In force, receiving device can receive the first video information of sending ending equipment repeating transmission, then can be to hair
Sending end equipment sends confirmation message, and sending ending equipment continues to send video information to be sent according to confirmation message.If receiving terminal
Equipment does not receive the first video information, then can send the request message for carrying the first serial number again to sending ending equipment,
Sending ending equipment can retransmit the first video information.It, can be in sending ending equipment in retransmission mechanism provided in an embodiment of the present invention
Or number and the time for the repeating transmission being arranged in receiving device.When receiving device has sent preset number in preset time
When identical request message, receiving device will no longer retransmit the request message, and send confirmation message, hair to sending ending equipment
Sending end equipment continues to send video information to be transmitted according to confirmation message.Alternatively, sending ending equipment is sent in preset time
After the first video information of preset number, the first video information will not be retransmited, video information to be transmitted is then sent.
Optionally, the number of receiving device is multiple, and sending ending equipment can obtain the operating status of each receiving device,
If according to the operating status of the first receiving device for receiving video information, the first receiving device failure is judged, then
According to the operating status of other receiving devices, determines the receiving device of normal operation, video information is sent to and is determined
Receiving device.
In force, receiving device usually has multiple, and sending ending equipment can send verification to each receiving device and disappear
Breath, if receiving device returns to confirmation message, sending ending equipment if, judges that the receiving device operating status is normal, the reception
End equipment can receive video information；Receiving device does not return to confirmation message, and sending ending equipment then judges the receiving device
Operating status is abnormal, which cannot receive video information.When sending ending equipment is detected for receiving video letter
When first receiving device of breath breaks down, one can be randomly choosed from operating status normally each receiving device and connect
Video information to be transmitted is sent to the receiving device by receiving end equipment.
In scheme provided in an embodiment of the present invention, each link between sending ending equipment and receiving device is supervised in real time
Control can call available link to carry out the transmission of video information when some link breaks down, and improve transmission quality.
The method of a kind of data transmission provided in an embodiment of the present invention, by obtaining video information to be transmitted, video letter
Breath includes video data and the corresponding serial number of video data, and video information is sent to receiving device, is received when receiving
When the request message of the first serial number of the first video information for carrying loss that end equipment is sent, it is corresponding to obtain the first serial number
First video information, the first video information include that the first serial number and the first serial number correspond to video data, then to receiving device weight
It is new to send the first video information.Using method provided by the invention, the transmission quality of flow data can be improved.
Same technique design based on above method embodiment, the embodiment of the present invention additionally provide a kind of dress of data transmission
It sets, as shown in figure 3, the device includes：
First acquisition module 301, for obtaining video information to be transmitted, the video information include video data and
The corresponding serial number of the video data；
First sending module 302, for the video information to be sent to receiving device；
Second acquisition module 303, for when the first video for carrying loss for receiving the receiving device transmission
When the request message of the first serial number of information, corresponding first video information of first serial number, the first video letter are obtained
Breath includes that first serial number and first serial number correspond to video data；
Second sending module 304, for retransmitting first video information to the receiving device.
Optionally, first sending module, including：
Distribution module, for being the video information allocation of transmission resources according to preset video transmission rate；
The video information is sent to receiving device by third sending module for being based on the transfer resource.
In scheme provided in an embodiment of the present invention, the video counts of method provided in an embodiment of the present invention encapsulation can will be used
According to transmission rate be arranged to higher value, when sending ending equipment sends the video information, can be seized according to the transmission rate
Transfer resource, such sending ending equipment can rapidly transmit the video information.
Optionally, first acquisition module, including：
Third acquisition module, for obtaining video data to be transmitted；
Setup module is waited for for the corresponding serial number of the video data to be arranged according to preset data assembly strategy
The video information of transmission.
It is different after video data is packaged into video information by a point sweet point server in scheme provided in an embodiment of the present invention
Video information correspond to different serial numbers, sending ending equipment and receiving device can identify different regard by different serial numbers
Frequency information.
Optionally, the number of the receiving device is multiple, and described device includes：
4th acquisition module, the operating status for obtaining the multiple receiving device；
If according to the operating status of the first receiving device for receiving the video information, judgement described first connects
Receiving end equipment fault determines the receiving device of normal operation, and will be described then according to the operating status of other receiving devices
Video information is sent to the receiving device determined.
In scheme provided in an embodiment of the present invention, each link between sending ending equipment and receiving device is supervised in real time
Control can call available link to carry out the transmission of video information when some link breaks down, and improve transmission quality.
Optionally, there are multiple relay devices, first hairs between the sending ending equipment and the receiving device
Module is sent, including；
Determining module, the distance for obtaining each relay device are determined apart from nearest target relay device；
4th sending module, for the video information to be sent to the target relay device, so that in the target
Turn equipment and the video information is sent to receiving device.
Scheme provided in an embodiment of the present invention can be with when far at a distance from sending ending equipment is between receiving device
Video information is forwarded by relay device, remote video information transmission may be implemented in this way.
An embodiment of the present invention provides the device of another data transmission, described device is applied to receiving device, such as Fig. 4
Shown, described device includes：
Sorting module 401, for when receive sending ending equipment transmission preset number video information after, will be described pre-
If number video information is ranked up, corresponding first serial number of the first video information lost is determined, in the video information
Including video data and the corresponding serial number of the video data；
Sending module 402 carries described first for sending request message to sending ending equipment in the request message
Serial number；
Receiving module 403, first video information sent for receiving the sending ending equipment, first video
Information includes first serial number and corresponding first video data of first serial number.
The device of a kind of data transmission provided in an embodiment of the present invention, by obtaining video information to be transmitted, video letter
Breath includes video data and the corresponding serial number of video data, and video information is sent to receiving device, is received when receiving
When the request message of the first serial number of the first video information for carrying loss that end equipment is sent, it is corresponding to obtain the first serial number
First video information, the first video information include that the first serial number and the first serial number correspond to video data, then to receiving device weight
It is new to send the first video information.Using method provided by the invention, the transmission quality of flow data can be improved.
The embodiment of the present invention additionally provides a kind of sending ending equipment, as shown in figure 5, including processor 501, communication interface
502, memory 503 and communication bus 504, wherein processor 501, communication interface 502, memory 503 pass through communication bus
504 complete mutual communication.
Memory 503, for storing computer program；
Processor 501 when for executing the program stored on memory 503, realizes number provided in an embodiment of the present invention
According to the method for transmission.
Specifically, the method for above-mentioned data transmission, including：
Video information to be transmitted is obtained, the video information includes video data and the corresponding sequence of the video data
Number；
The video information is sent to receiving device；
When the request for the first serial number for receiving the first video information for carrying loss that the receiving device is sent
When message, obtain corresponding first video information of first serial number, first video information include first serial number and
First serial number corresponds to video data；
First video information is retransmitted to the receiving device.
It should be noted that other realization methods of the method for above-mentioned display data transmissions and preceding method embodiment part
Identical, which is not described herein again.
The communication bus of above-mentioned electronic equipment can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The communication bus can be divided into address bus, data/address bus, controlling bus etc..
For ease of indicating, only indicated with a thick line in figure, it is not intended that an only bus or a type of bus.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, abbreviation RAM), can also include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be at least one storage device for being located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), application-specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
The embodiment of the present invention additionally provides a kind of receiving device, as shown in fig. 6, including processor 601, communication interface
602, memory 603 and communication bus 604, wherein processor 601, communication interface 602, memory 603 pass through communication bus
604 complete mutual communication.
Memory 603, for storing computer program；
Processor 601 when for executing the program stored on memory 603, realizes number provided in an embodiment of the present invention
According to the method for transmission.
Specifically, the method for above-mentioned data transmission, including：
After receiving the preset number video information of sending ending equipment transmission, by the preset number video information
It is ranked up, determines corresponding first serial number of the first video information lost, the video information includes video data and institute
State the corresponding serial number of video data；
Request message is sent to sending ending equipment, first serial number is carried in the request message；
First video information that the sending ending equipment is sent is received, first video information includes described first
Serial number and corresponding first video data of first serial number.
It should be noted that other realization methods of the method for above-mentioned display data transmissions and preceding method embodiment part
Identical, which is not described herein again.
The communication bus of above-mentioned electronic equipment can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The communication bus can be divided into address bus, data/address bus, controlling bus etc..
For ease of indicating, only indicated with a thick line in figure, it is not intended that an only bus or a type of bus.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, abbreviation RAM), can also include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be at least one storage device for being located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), application-specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
In another embodiment provided by the invention, a kind of computer readable storage medium is additionally provided, which can
It reads to be stored with instruction in storage medium, when run on a computer so that computer executes any institute in above-described embodiment
The method for the data transmission stated.
In another embodiment provided by the invention, a kind of computer program product including instruction is additionally provided, when it
When running on computers so that the method that computer executes any data transmission in above-described embodiment.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or its arbitrary combination real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program
Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or
It partly generates according to the flow or function described in the embodiment of the present invention.The computer can be all-purpose computer, special meter
Calculation machine, computer network or other programmable devices.The computer instruction can be stored in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
User's line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or
Data center is transmitted.The computer readable storage medium can be any usable medium that computer can access or
It is comprising data storage devices such as one or more usable mediums integrated server, data centers.The usable medium can be with
It is magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state disk
Solid State Disk (SSD)) etc..
A kind of method and device of data transmission provided in an embodiment of the present invention, by obtaining video information to be transmitted,
Video information includes video data and the corresponding serial number of video data, and video information is sent to receiving device, works as reception
When the request message of the first serial number of the first video information for carrying loss sent to receiving device, the first serial number is obtained
Corresponding first video information, the first video information include that the first serial number and the first serial number correspond to video data, then to receiving terminal
Equipment retransmits the first video information.Using method provided by the invention, the transmission quality of flow data can be improved.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so description is fairly simple, related place is referring to embodiment of the method
Part explanation.
Claims (14)
1. a kind of method of data transmission, which is characterized in that the method is applied to sending ending equipment, the method includes：
Video information to be transmitted is obtained, the video information includes video data and the corresponding serial number of the video data；
The video information is sent to receiving device；
When the request message for the first serial number for receiving the first video information for carrying loss that the receiving device is sent
When, obtain corresponding first video information of first serial number, first video information includes first serial number and described
First serial number corresponds to video data；
First video information is retransmitted to the receiving device.
2. according to the method described in claim 1, it is characterized in that, described be sent to receiving device by the video information,
Including：
It is the video information allocation of transmission resources according to preset video transmission rate；
The video information is sent to receiving device based on the transfer resource.
3. according to the method described in claim 1, it is characterized in that, described obtain video information to be transmitted, including：
Obtain video data to be transmitted；
The corresponding serial number of the video data is set according to preset data assembly strategy, obtains video information to be transmitted.
4. according to the method described in claim 1, it is characterized in that, the number of the receiving device is multiple, the method
Including：
Obtain the operating status of the multiple receiving device；
If according to the operating status of the first receiving device for receiving the video information, first receiving terminal is judged
Equipment fault determines the receiving device of normal operation then according to the operating status of other receiving devices, and by the video
Information is sent to the receiving device determined.
5. according to the method described in claim 1, it is characterized in that, being deposited between the sending ending equipment and the receiving device
It is described that the video information is sent to receiving device in multiple relay devices, including；
The distance of each relay device is obtained, is determined apart from nearest target relay device；
The video information is sent to the target relay device, so that the target relay device sends out the video information
Give receiving device.
6. a kind of method of data transmission, which is characterized in that the method is applied to receiving device, the method includes：
After receiving the preset number video information of sending ending equipment transmission, the preset number video information is carried out
Sequence determines that corresponding first serial number of the first video information lost, the video information include video data and described regard
Frequency is according to corresponding serial number；
Request message is sent to sending ending equipment, first serial number is carried in the request message；
First video information that the sending ending equipment is sent is received, first video information includes first serial number
The first video data corresponding with first serial number.
7. a kind of device of data transmission, which is characterized in that described device is applied to sending ending equipment, and described device includes：
First acquisition module, for obtaining video information to be transmitted, the video information includes video data and described regards
Frequency is according to corresponding serial number；
First sending module, for the video information to be sent to receiving device；
Second acquisition module, for when receiving the of the first video information for carrying loss that the receiving device is sent
When the request message of one serial number, corresponding first video information of first serial number is obtained, first video information includes institute
It states the first serial number and first serial number corresponds to video data；
Second sending module, for retransmitting first video information to the receiving device.
8. device according to claim 7, which is characterized in that first sending module, including：
Distribution module, for being the video information allocation of transmission resources according to preset video transmission rate；
The video information is sent to receiving device by third sending module for being based on the transfer resource.
9. device according to claim 7, which is characterized in that first acquisition module, including：
Third acquisition module, for obtaining video data to be transmitted；
Setup module obtains to be transmitted for the corresponding serial number of the video data to be arranged according to preset data assembly strategy
Video information.
10. device according to claim 7, which is characterized in that the number of the receiving device is multiple, described device
Including：
4th acquisition module, the operating status for obtaining the multiple receiving device；
If according to the operating status of the first receiving device for receiving the video information, first receiving terminal is judged
Equipment fault determines the receiving device of normal operation then according to the operating status of other receiving devices, and by the video
Information is sent to the receiving device determined.
11. device according to claim 7, which is characterized in that between the sending ending equipment and the receiving device
There are multiple relay devices, first sending module, including；
Determining module, the distance for obtaining each relay device are determined apart from nearest target relay device；
4th sending module, for the video information to be sent to the target relay device, so that the target transfer is set
It is standby that the video information is sent to receiving device.
12. a kind of device of data transmission, which is characterized in that described device is applied to receiving device, and described device includes：
Sorting module, for when receive sending ending equipment transmission preset number video information after, by the preset number
A video information is ranked up, and determines corresponding first serial number of the first video information lost, the video information includes regarding
Frequency evidence and the corresponding serial number of the video data；
Sending module carries first serial number for sending request message to sending ending equipment in the request message；
Receiving module, first video information sent for receiving the sending ending equipment, the first video information packet
Include first serial number and corresponding first video data of first serial number.
13. a kind of sending ending equipment, which is characterized in that the sending ending equipment includes processor, communication interface, memory and leads to
Believe bus, wherein the processor, the communication interface, the memory complete mutual lead to by the communication bus
Letter；
The memory, for storing computer program；
The processor when for executing the program stored on the memory, realizes any sides claim 1-5
Method step.
14. a kind of receiving device, which is characterized in that the receiving device includes processor, communication interface, memory and leads to
Believe bus, wherein the processor, the communication interface, the memory complete mutual lead to by the communication bus
Letter；
The memory, for storing computer program；
The processor when for executing the program stored on the memory, realizes method of claim 6 step
Suddenly.
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| CN201810069130.9A CN108322836A (en) | 2018-01-24 | 2018-01-24 | A kind of method and device of data transmission |
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| CN111885404A (en) * | 2020-07-16 | 2020-11-03 | RealMe重庆移动通信有限公司 | Data transmission method, device and storage medium |
| CN112118222A (en) * | 2020-08-11 | 2020-12-22 | 深圳市欣博跃电子有限公司 | Data forwarding method and device, electronic equipment and storage medium |
| CN112671636A (en) * | 2020-12-25 | 2021-04-16 | 深圳云之家网络有限公司 | Group message pushing method and device, computer equipment and storage medium |
| CN113364814A (en) * | 2021-08-10 | 2021-09-07 | 北京翔东智能科技有限公司 | Anti-weak network transmission method based on RTP |
| CN113810302A (en) * | 2021-09-18 | 2021-12-17 | 深圳市奥拓普科技有限公司 | Communication control method and communication transmission system |
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