CN108718418A - A kind of management method and device of transmission link - Google Patents
A kind of management method and device of transmission link Download PDFInfo
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- CN108718418A CN108718418A CN201810552829.0A CN201810552829A CN108718418A CN 108718418 A CN108718418 A CN 108718418A CN 201810552829 A CN201810552829 A CN 201810552829A CN 108718418 A CN108718418 A CN 108718418A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 246
- 238000007726 management method Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims description 16
- 230000008054 signal transmission Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
- H04N1/00098—Systems or arrangements for the transmission of the picture signal via a television channel, e.g. for a series of still pictures with or without sound
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Communication Control (AREA)
Abstract
The disclosure provides a kind of management method and device of transmission link, is related to field of communication technology, can solve the problems, such as image data wasting of resources in transmission process.Specific technical solution is:Image data is obtained, after image transmitting, whether the playing duration and the difference of transmission duration that judge image data are greater than or equal to predetermined threshold value, and the data transmission link between the sending device and the receiving device is then disconnected if more than threshold value.The present invention achievees the purpose that save system resource by the optimization of image data transfer management mode.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and devices of transmission link.
Background technology
In the control of existing Video Remote playback equipment, need server end through terminal device image transmission technology
Image data is transmitted to playback equipment end;Specifically transmission process is:Sending device obtains from server and plays image data, passes through
Image data is transmitted to reception terminal by transmission link;And when encountering picture data content playing duration with image data transmission
When long difference is larger, the data link between sending device and receiving device persistently keeps connection status, leads to the wasting of resources.
Invention content
The embodiment of the present disclosure provides a kind of management method of transmission link, can solve system in image data transmission process
The problem of resource is wasted.The technical solution is as follows:
A kind of management method of transmission link is provided according to the embodiment of the present disclosure, this method includes:
The playing duration of image data is obtained, image data is sent from sending device to receiving device;
Obtain the transmission duration of image data;
After receiving device is completed to receive image data, if playing duration and the difference of transmission duration are more than or equal to pre-
If threshold value, the data transmission link between sending device and receiving device is disconnected;
Transmission duration include estimate duration or it is practical occupy duration, it is preset sending device to reception to estimate duration
Equipment transmission image data needs the time span occupied, and the practical duration that occupies is that image data is transmitted to reception by sending device
The practical time span occupied of equipment.
The management method for the transmission link that the embodiment of the present disclosure provides disconnects the number between sending device and receiving device
Before transmission link, this method further includes:
Judge whether playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration;
When playing duration and the difference of transmission duration are greater than or equal to predetermined threshold value, the first open command of generation, first
Open command is used to indicate after receiving device is completed to receive image data, disconnects the data between sending device and receiving device
Transmission link.
The management method for the transmission link that the embodiment of the present disclosure provides disconnects the number between sending device and receiving device
Before transmission link, this method further includes:
The second open command is received, the second open command is used to indicate the data disconnected between sending device and receiving device
Transmission link.
The management method for the transmission link that the embodiment of the present disclosure provides is receiving device in the managing device of transmission link
When, this method further includes:
Receive and store image data;
Stored image data is played by display screen.
Technical solution advantageous effect provided in an embodiment of the present invention is:By the playing duration and the transmission that obtain image data
Duration timely disconnects the data link of sending device and transmission device when the two difference is more than threshold value, to reach optimization
Link management saves the purpose of system resource.
Technical scheme of the present invention stores image data to receiving device while receiving image data, and passes through display
Screen plays stored described image data;No matter therefore whether transmission link disconnects, the broadcasting of image data is unaffected, reaches
Result of broadcast that is smooth and stablizing is arrived.
Second aspect, the embodiment of the present disclosure provide a kind of transmission link managing device, which includes:When including first
Long acquisition module, the second duration acquisition module and disconnection module:
First duration acquisition module, the playing duration for obtaining image data, image data is from sending device to reception
Equipment is sent;
Second duration acquisition module, the transmission duration for obtaining image data;
Module is disconnected, is used for after receiving device is completed to receive image data, if the difference of playing duration and transmission duration
Value is greater than or equal to predetermined threshold value, disconnects the data transmission link between sending device and receiving device.
Transmission duration include estimate duration or it is practical occupy duration, it is preset sending device to reception to estimate duration
Equipment transmission image data needs the time span occupied, and the practical duration that occupies is that image data is transmitted to reception by sending device
The practical time span occupied of equipment.
The second duration acquisition module in apparatus of the present invention, including first acquisition unit, second acquisition unit and calculating are single
Member,
First acquisition unit, the data transmission total amount for obtaining image data;
Second acquisition unit, the transmission rate for obtaining data transmission link between sending device and receiving device;
Computing unit estimates duration for calculating to obtain according to formula Tg=D/R, wherein Tg is to estimate duration, and D is number
According to transmission total amount, R is transmission rate.
The second duration acquisition module in apparatus of the present invention further includes third acquiring unit,
Third acquiring unit, for after receiving device has received image data, obtaining actually accounting for for transmission image data
Use duration.
Disconnection module in apparatus of the present invention further includes:Judging unit and the first signal transmitting unit;
Judging unit:For judging whether playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration;
First signal transmitting unit:Before the data transmission link between disconnection sending device and receiving device,
When playing duration and the difference of transmission duration are greater than or equal to predetermined threshold value, the first open command, the first open command are generated
It is used to indicate after receiving device is completed to receive image data, disconnects the data transmission chain between sending device and receiving device
Road.
Disconnecting module further includes:Second signal transmission unit;
Second signal transmission unit, before the data transmission link between disconnection sending device and receiving device,
The second open command is received, the second open command is used to indicate the data transmission chain disconnected between sending device and receiving device
Road.
When managing device of the present invention is receiving device, further include:Memory module and display module;
Memory module:For receiving and storing described image data;
Display module:For playing stored described image data by display screen.
The managing device of the present invention is used for transmission the realization of link mode, when being more than transmission for image data reproduction time
When long, sending device is remained with receiving device and is connect, caused by transmission link the wasting of resources, optimize data transmission
Management, improves the flexibility of data transmission, and improve the utilization rate of transmission link.
The managing device of the present invention stores image data to receiving device while receiving image data, and passes through display
Screen plays stored described image data;No matter therefore whether transmission link disconnects, the broadcasting of image data is unaffected, reaches
Result of broadcast that is smooth and stablizing is arrived.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart for transmission link management method that the embodiment of the present disclosure one provides;
Fig. 2 is a kind of information exchange figure for transmission link management method that the embodiment of the present disclosure two provides;
Fig. 3 is a kind of information exchange figure for transmission link management method that the embodiment of the present disclosure three provides;
Fig. 4 is a kind of information exchange figure for transmission link management method that the embodiment of the present disclosure four provides;
Fig. 5 is a kind of structure chart for transmission link managing device that the embodiment of the present disclosure five provides;
Fig. 6 is a kind of structure chart for transmission link managing device that the embodiment of the present disclosure five provides;
Fig. 7 is a kind of structure chart for transmission link managing device that the embodiment of the present disclosure five provides.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The consistent method example of some aspects be described in detail in claims, the disclosure.
Embodiment one
The embodiment of the present disclosure provides a kind of management method of transmission link, is applied to the managing device of transmission link, the biography
The managing device of transmission link can be a part for sending device or sending device, can also be receiving device or receiving device
A part can also be an independent equipment, as shown in Figure 1, the management method of the transmission link includes the following steps:
101, image data and playing duration are obtained.
Image data is sent from sending device to receiving device.Playing duration is used to indicate
As a kind of alternative embodiment, image data includes:The contents such as picture, video, Word, PPT.
102, the transmission duration of image data is obtained.
Transmission duration include estimate duration or it is practical occupy duration, it is preset sending device to reception to estimate duration
Equipment transmission image data needs the time span occupied, and the practical duration that occupies is that image data is transmitted to reception by sending device
The practical time span occupied of equipment.
Herein, two specific examples are enumerated to illustrate:
In first example, transmission duration includes estimating duration, obtains the transmission duration of image data, including:
Obtain the data transmission total amount of image data;
Obtain the transmission rate of data transmission link between sending device and receiving device;
Duration is estimated according to formula Tg=D/R calculating, wherein Tg is to estimate duration, and D is data transmission total amount, and R is transmission
Rate.
In second example, transmission duration includes practical occupancy duration, obtains the transmission duration of image data, including:
After receiving device has received image data, the practical occupancy duration of transmission image data is obtained.
For above-mentioned alternative embodiment, the acquisition main body for transmitting duration includes that sending device, receiving device and management are set
It is standby.It is executive agent citing signal that this, which sentences sending device, and the specific step that executes includes:Sending device is sent to receiving device
When image data starts, record sending time stamp;
After sending device sends image data, the receiving time stamp of receiving device feedback is obtained;
Sending device calculates the difference between sending time stamp and receiving time stamp, as actual transmissions duration.
103, after receiving device is completed to receive image data, if playing duration and the difference of transmission duration are more than or wait
In predetermined threshold value, the data transmission link between sending device and receiving device is disconnected.
It is noted that when it includes preset duration to transmit duration, playing duration and the difference of transmission duration can schemed
As being determined before data transmission, can also be determined after image data is transmitted;When it includes practical occupancy duration to transmit duration,
Playing duration and the difference of transmission duration determine after image data transmission.
Disconnecting link can be accomplished in several ways, and herein, enumerated the realization method of three kinds of disconnecting links, do not represented
The disclosure is confined to this:
In the first realization method, the managing device of transmission link can be sending device or receiving device;
Judge whether playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration;When playing duration is with transmission
When long difference is greater than or equal to predetermined threshold value, the data transmission link between sending device and receiving device is disconnected.Transmission is set
Standby or receiving device can directly disconnect transmission link after judgement.
In second of realization method, the managing device of transmission link can be sending device or receiving device or one
A independent equipment;
Judge whether playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration;When playing duration is with transmission
When long difference is greater than or equal to predetermined threshold value, the first open command is generated, the first open command is used to indicate in receiving device
It completes after receiving image data, disconnects the data transmission link between sending device and receiving device.First can be disconnected and be referred to
Order is sent to sending device or receiving device.
For example, the managing device of transmission link is sending device, the first open command, instruction can be sent to receiving device
Receiving device disconnects the data transmission link between sending device and receiving device;The managing device of transmission link can also be one
A independent equipment sends the first open command to sending device or receiving device.Certainly, only exemplary illustration herein, and
The disclosure is not represented is confined to this.
In the third realization method, the managing device of transmission link can be sending device or receiving device;
Before disconnecting the data transmission link between sending device and receiving device, this method further includes:
The second open command is received, the second open command is used to indicate the data disconnected between sending device and receiving device
Transmission link.
For example, the managing device of transmission link can be sending device, disconnected in receive receiving device transmission second
After instruction, the data transmission link between sending device and receiving device is disconnected;For another example, the managing device of transmission link can be
Receiving device disconnects the number between sending device and receiving device after the second open command for receiving sending device transmission
According to transmission link.
The management method for the transmission link that the embodiment of the present disclosure provides, by the playing duration and image that obtain image data
The transmission duration of data;After receiving device is completed to receive image data, if playing duration and the difference of transmission duration are more than
Or it is equal to predetermined threshold value, disconnect the data transmission link between sending device and receiving device;Pass through the disconnected of this transmission link
Operation is opened, when can be directed to data play time more than transmission duration, the wasting of resources of transmission link is avoided, improves data biography
Defeated flexibility, and improve the utilization rate of transmission link.The management method of the present invention stores while receiving image data
Image data plays stored described image data to receiving device, and by display screen;No matter therefore whether transmission link
It disconnects, the broadcasting of image data is unaffected, has reached result of broadcast that is smooth and stablizing
Embodiment two
Based on the management method of the transmission link described in the corresponding embodiments of above-mentioned Fig. 2, the embodiment of the present disclosure provides
A kind of management method of transmission link is applied to sending device and receiving device, in the present embodiment, the managing device of transmission link
Can be a part for sending device or sending device, the management method of the transmission link includes the following steps:
201, sending device obtains image data and playing duration.
In an alternative embodiment, image data includes:The type contents such as picture, video, Word, PPT.
Data information included in image data can have:The number such as playing duration, data transmission total amount and broadcasting time
It is believed that breath.
For example, in one embodiment, playing duration is to play the product of single duration and broadcasting time.
202, sending device obtains image data and estimates transmission duration.
In one embodiment, estimate transmission duration acquisition modes include but not limited to:
Sending device obtains data transmission total amount.
Sending device obtains the transmission rate of data transmission link between sending device and receiving device.
Sending device estimates duration according to formula Tg=D/R calculating.
Wherein, Tg is to estimate duration, and D is data transmission total amount, and R is transmission rate.
203, sending device judges whether playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration.
204, it is disconnected to generate first when playing duration and the difference of transmission duration are greater than or equal to predetermined threshold value for sending device
It opens instruction and sends the first open command to receiving device.
First open command is used to indicate after receiving device is completed to receive image data, is disconnected sending device and is set with reception
Data transmission link between standby.
205, sending device sends image data to receiving device.
206, it after receiving device receives image data, according to the first open command, disconnects sending device and is set with reception
Data transmission link between standby.
Sending device starts to receiving device after sending image data, and receiving device is stored when receiving image data,
After receiving image data, receiving device just stores complete image data.
After disconnecting the data transmission link between sending device and receiving device, receiving device plays stored image
Data.
As a kind of alternative embodiment, after wherein receiving device receives image data, according to receiving the first disconnection
Instruction disconnects the data transmission link between sending device, plays the image data of storage.
As a kind of alternative embodiment, the connection with sending device, the image of loop play storage are disconnected in receiving device
When data content, sending device can be connect with other equipment, establish transmission link, and which improves the uses of transmission link
Efficiency.
In the prior art, when transmitting the image data of loop play, sending device is after being sent image data, but
It still needs to be always maintained at receiving device and connect until completing loop play, greatly waste link circuit resource, reduce transmission effect
Rate;And the present invention need to can only disconnect the link with receiving device after the transmission that sending device completes first time image data
Link, receiving device can complete loop play by receiving the image data of storage, and the present invention known to comparison improves transmission
The service efficiency of link.
Embodiment three
Based on the management method of the transmission link described in the corresponding embodiments of above-mentioned Fig. 3, the embodiment of the present disclosure provides
A kind of management method of transmission link is applied to sending device and receiving device, in the present embodiment, the managing device of transmission link
Can be a part for receiving device or receiving device, the management method of the transmission link includes the following steps:
301, sending device obtains image data.
Sending device obtains the playing duration in image data.
In an alternative embodiment, image data includes:The type contents such as picture, video, Word, PPT.
Data information included in image data can have:The number such as playing duration, data transmission total amount and broadcasting time
It is believed that breath.
302, sending device sends image data to receiving device.
Sending device starts to receiving device after sending image data, and receiving device is stored when receiving image data,
And stored image data is played, after receiving image data, receiving device just stores complete image data.
After disconnecting the data transmission link between sending device and receiving device, receiving device is according to picture number when disconnecting
According to played position, reads stored image data and continue to play from the position.
303, after receiving device receives image data, when receiving device obtains playing duration and the transmission of image data
It is long.
As a kind of alternative embodiment, wherein the acquisition modes of transmission duration include but not limited to:
When sending device starts to receiving device transmission image data, receiving device records sending time stamp;
After sending device sends image data, receiving device records receiving time stamp;
Receiving device calculates the difference between sending time stamp and receiving time stamp according to formula, when obtaining actual transmissions
It is long.
304, receiving device judges whether playing duration and the difference for transmitting duration are big according to playing duration and transmission duration
In or equal to predetermined threshold value.
305, after the difference that receiving device judges playing duration and transmits duration is greater than or equal to predetermined threshold value, hair is disconnected
Send the data transmission link between equipment and receiving device.
As a kind of alternative embodiment, wherein receiving device disconnects mode and includes but not limited to, after receiving device judges, directly
Connect the data transmission link between disconnection and sending device.
As a kind of alternative embodiment, after receiving device receives image data, when judging playing duration with transmission
When long difference is greater than or equal to predetermined threshold value, the connection with sending device is disconnected, and play the image data of reception automatically;It connects
For receiving unit during playing image data, sending device disconnects the link connection between receiving device, to save hair
Send the performance resource and link circuit resource of equipment.
As a kind of alternative embodiment, image data is video file, and the playing duration of this document is 1 hour, and transmission is set
After standby acquisition playing duration, receiving device is transmitted this file to.After receiving device receives image data, according to reality
10 minutes a length of when transmission time acquisition transmission, receiving device judges that playing duration is greater than or equal in advance with the difference for transmitting duration
If after threshold value, disconnecting the data transmission link between sending device, and play the image data of reception automatically.Receiving device exists
During playing image data, the link connection between sending device is disconnected.
In the prior art, transmitting that reproduction time is longer and while transmitting duration shorter image data will appear following feelings
Shape:After sending device is sent image data, still needs to be always maintained at receiving device and connect until image data finishes;
And receiving device need to only receive image data in the present invention, you can disconnect the link connection between sending device, and broadcast
Put image data;Comparison is it is found that this method saves the performance resource and link circuit resource of sending device.
Example IV
Based on the management method of the transmission link described in the corresponding embodiments of above-mentioned Fig. 4, the embodiment of the present disclosure provides
A kind of management method of transmission link is applied to the managing device of transmission link, and subject of implementation includes in this embodiment:It sends
Equipment, receiving device and managing device, the management equipment are autonomous device, are had and sending device, receiving device data interaction
Function, the method flow of the present embodiment includes the following steps:
401, sending device obtains image data and playing duration.
402, playing duration is sent to managing device by sending device.
403, sending device sends image data to receiving device.
404, after receiving device receives image data, receiving device obtains the transmission duration of image data.
405, receiving device is sent to managing device by duration is transmitted.
406, managing device judges whether playing duration and the difference for transmitting duration are big according to playing duration and transmission duration
In or equal to predetermined threshold value.
407, when playing duration and the difference of transmission duration are greater than or equal to predetermined threshold value, it is disconnected that managing device generates second
Instruction is opened, the second open command is used to indicate after receiving device is completed to receive image data, is disconnected sending device and is set with reception
Data transmission link between standby.
408, according to the second open command, the data transmission link between sending device and receiving device is disconnected.
As a kind of alternative embodiment, receiving device disconnects the data between sending device according to the second open command
Transmission link.
Embodiment five
The embodiment of the present disclosure provides a kind of managing device of transmission link, and the managing device of the transmission link is for executing
The data transfer management method that embodiment one or embodiment two or embodiment three or example IV provide is stated, as shown in figure 5, the biography
The managing device 50 of transmission link comprises the following modules:
First duration acquisition module 501, the playing duration for obtaining image data, image data is from sending device to connecing
Receiving unit is sent.
Second duration acquisition module 502, the transmission duration for obtaining image data.
Module 503 is disconnected, is used for after receiving device is completed to receive image data, if playing duration and transmission duration
Difference is greater than or equal to predetermined threshold value, disconnects the data transmission link between sending device and receiving device.
Transmission duration include estimate duration or it is practical occupy duration, it is preset sending device to reception to estimate duration
Equipment transmission image data needs the time span occupied, and the practical duration that occupies is that image data is transmitted to reception by sending device
The practical time span occupied of equipment.
As a kind of alternative embodiment, as shown in fig. 6, the second duration acquisition module 502, including first acquisition unit
5021, second acquisition unit 5022 and computing unit 5023,
First acquisition unit 5021, the data transmission total amount for obtaining image data.
Second acquisition unit 5022, the transmission speed for obtaining data transmission link between sending device and receiving device
Rate.
Computing unit 5023 estimates duration, wherein Tg is to estimate duration, D for calculating to obtain according to formula Tg=D/R
For data transmission total amount, R is transmission rate.
As a kind of alternative embodiment, the second duration acquisition module 502, including third acquiring unit 5024,
Third acquiring unit 5024, for after receiving device has received image data, obtaining the reality of transmission image data
Border occupies duration.
As a kind of alternative embodiment, as shown in fig. 7, disconnection module 503 further includes:Judging unit 5031 and the first signal
Transmission unit 5032.
Judging unit 5031:Judge whether playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration.
First signal transmitting unit 5032:For disconnect the data transmission link between sending device and receiving device it
Before, when playing duration is greater than or equal to predetermined threshold value with the difference for transmitting duration, the first open command is generated, the first disconnection refers to
Order is used to indicate after receiving device is completed to receive image data, disconnects the data transmission chain between sending device and receiving device
Road.
As a kind of alternative embodiment, disconnecting module 503 further includes:Second signal transmission unit 5033.
Second signal transmission unit 5033, for disconnect the data transmission link between sending device and receiving device it
Before, the second open command is received, the second open command is used to indicate the data transmission disconnected between sending device and receiving device
Link.
The managing device that the embodiment of the present disclosure provides is used for transmission the realization of link mode, for image data reproduction time
More than transmission duration when, sending device is remained with receiving device and is connect, caused by transmission link the wasting of resources, optimize
The management of data transmission, improves the flexibility of data transmission, and improves the utilization rate of transmission link.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (12)
1. a kind of management method of transmission link, which is characterized in that it is applied to the managing device of transmission link, including:
The playing duration of image data is obtained, described image data are sent from sending device to receiving device;
Obtain the transmission duration of described image data;
After the receiving device is completed to receive described image data, if the difference of the playing duration and the transmission duration
More than or equal to predetermined threshold value, the data transmission link between the sending device and the receiving device is disconnected;
The transmission duration includes estimating duration or practical occupancy duration, and the duration of estimating is that the preset transmission is set
Standby to need the time span occupied to receiving device transmission described image data, the practical duration that occupies is the transmission
Equipment is by described image data transmission to the practical time span occupied of the receiving device.
2. the management method of transmission link according to claim 1, which is characterized in that the transmission duration includes when estimating
It is long, the transmission duration for obtaining described image data, including:
Obtain the data transmission total amount of image data;
Obtain the transmission rate of data transmission link between the sending device and the receiving device;
Duration is estimated according to described in formula Tg=D/R calculating, wherein Tg estimates duration to be described, and D is that the data transmission is total
Amount, R are the transmission rate.
3. the management method of transmission link according to claim 1, which is characterized in that the transmission duration includes actually accounting for
With duration, the transmission duration for obtaining described image data, including:
After the receiving device has received described image data, the practical occupancy duration of transmission described image data is obtained.
4. the management method of transmission link according to claim 1, which is characterized in that disconnect the sending device with it is described
Before data transmission link between receiving device, the method further includes:
Judge whether the playing duration and the difference of the transmission duration are greater than or equal to the predetermined threshold value;
When the playing duration and the difference of the transmission duration are greater than or equal to the predetermined threshold value, generate the first disconnection and refer to
It enables, first open command is used to indicate after the receiving device is completed to receive described image data, disconnects the transmission
Data transmission link between equipment and the receiving device.
5. according to the management method of claim 1-4 any one of them transmission links, which is characterized in that disconnect the transmission and set
Before the standby data transmission link between the receiving device, the method further includes:
Receive the second open command, second open command be used to indicate disconnect the sending device and the receiving device it
Between data transmission link.
6. according to the management method of claim 1-4 any one of them transmission links, which is characterized in that the transmission link
Managing device is receiving device, and the method further includes:
Receive and store described image data;
Stored described image data are played by display screen.
7. a kind of managing device of transmission link, which is characterized in that including the first duration acquisition module, the second duration acquisition module
With disconnection module:
The first duration acquisition module, the playing duration for obtaining image data, described image data from sending device to
Receiving device is sent;
The second duration acquisition module, the transmission duration for obtaining described image data;
The disconnection module, for the receiving device complete receive described image data after, if the playing duration with
The difference of the transmission duration is greater than or equal to predetermined threshold value, disconnects the data between the sending device and the receiving device
Transmission link;
The transmission duration includes estimating duration or practical occupancy duration, and the duration of estimating is that the preset transmission is set
Standby to need the time span occupied to receiving device transmission described image data, the practical duration that occupies is the transmission
Equipment is by described image data transmission to the practical time span occupied of the receiving device.
8. device according to claim 6, which is characterized in that the second duration acquisition module, including the first acquisition are single
Member, second acquisition unit and computing unit,
The first acquisition unit, the data transmission total amount for obtaining image data;
The second acquisition unit, the transmission for obtaining data transmission link between the sending device and the receiving device
Rate;
The computing unit estimates duration, wherein when Tg is described estimates for being calculated according to formula Tg=D/R described in acquisition
Long, D is the data transmission total amount, and R is the transmission rate.
9. device according to claim 6, which is characterized in that the second duration acquisition module, including third obtain list
Member,
The third acquiring unit, for after the receiving device has received described image data, obtaining transmission described image
The practical occupancy duration of data.
10. device according to claim 6, which is characterized in that the disconnection module further includes:Judging unit and the first letter
Number transmission unit;
The judging unit:For judging it is described pre- whether the difference of the playing duration and the transmission duration is greater than or equal to
If threshold value;
First signal transmitting unit:For disconnecting the data transmission chain between the sending device and the receiving device
Before road, when the playing duration is greater than or equal to the predetermined threshold value with the difference for transmitting duration, it is disconnected to generate first
Instruction is opened, first open command is used to indicate after the receiving device is completed to receive described image data, described in disconnection
Data transmission link between sending device and the receiving device.
11. according to the managing device of any one of the claim 6-9 transmission links, which is characterized in that the disconnection module is also
Including:Second signal transmission unit;
The second signal transmission unit, for disconnecting the data transmission chain between the sending device and the receiving device
Before road, the second open command is received, second open command is used to indicate the disconnection sending device and is set with the reception
Data transmission link between standby.
12. according to the managing device of any one of the claim 6-9 transmission links, which is characterized in that the transmission link
Managing device is receiving device, and the receiving device includes:Memory module and display module;
The memory module:For receiving and storing described image data;
The display module:For playing stored described image data by display screen.
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