CN108206923A - Implementation method, device and the mostly logical terminal of multi-channel video call - Google Patents
Implementation method, device and the mostly logical terminal of multi-channel video call Download PDFInfo
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- CN108206923A CN108206923A CN201611170505.8A CN201611170505A CN108206923A CN 108206923 A CN108206923 A CN 108206923A CN 201611170505 A CN201611170505 A CN 201611170505A CN 108206923 A CN108206923 A CN 108206923A
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- resolution ratio
- called terminal
- negotiation
- terminal
- lowest class
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
Abstract
The present invention provides a kind of implementation method of multi-channel video call, device and mostly logical terminal.The method is applied to the how logical terminal as caller, the method includes：It is established during video calling connect with multichannel called terminal, negotiates to determine resolution ratio, multiple resolution ratio after being negotiated respectively with every road called terminal；When multiple resolution ratio after the negotiation are not exactly the same, the resolution ratio of the lowest class is chosen from multiple resolution ratio after the negotiation, again it holds consultation with called terminal of the negotiation result higher than the resolution ratio of described the lowest class, so that the resolution ratio after negotiating with every road called terminal is all the resolution ratio of described the lowest class；Multi-channel video call is carried out using the resolution ratio and the multichannel called terminal of described the lowest class.The present invention can carry out the downlink resolution ratio of multichannel called terminal unification, consequently facilitating the unified display at calling terminal interface.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of implementation method of multi-channel video call, device and lead to more
Terminal.
Background technology
Multi-channel video call based on VoLTE (Voice over LTE, LTE network voice and video telephone), refers to caller end
End by IMS (IP Multimedia Subsystem, IP multimedia subsystem) PDN all the way (Public Data Network,
Public data network) multichannel dedicated bearing is created, it is carried out at the same time video calling with multiple called terminals.
In multi-channel video call, the interface of calling terminal needs to show the image of multiple called subscribers simultaneously, due to every
Network condition is different all the way, and QoS (Quality of Service, the service quality) differences of distribution and each handset capability are not
Together, so that calling terminal is different with the resolution ratio negotiated per called terminal all the way.If the interface of calling terminal shows difference simultaneously
The image of resolution ratio needs each road video data received to carry out the operations such as conversion of resolution, compression.
In the implementation of the present invention, inventor has found at least to have the following technical problems in the prior art：
It is main when calling terminal and the resolution ratio difference per the negotiation of called terminal all the way when carrying out multi-channel video call
Terminal is made to need to carry out the operations such as conversion of resolution, compression to each road video data received, is unfavorable for calling terminal interface
Display.
Invention content
Implementation method, device and the mostly logical terminal of multi-channel video call provided by the invention, can be to multichannel called terminal
Downstream video resolution ratio carry out unification, consequently facilitating the unified display at calling terminal interface.
In a first aspect, the present invention provides a kind of implementation method of multi-channel video call, the method is applied to as caller
How logical terminal, the method includes：
It is established during video calling connect with multichannel called terminal, negotiates to determine respectively with every road called terminal point
Resolution, multiple resolution ratio after being negotiated；
When multiple resolution ratio after the negotiation are not exactly the same, chosen most from multiple resolution ratio after the negotiation
The resolution ratio of inferior grade is held consultation again with called terminal of the negotiation result higher than the resolution ratio of described the lowest class, so that
Resolution ratio after negotiating with every road called terminal is all the resolution ratio of described the lowest class；
Multi-channel video call is carried out using the resolution ratio and the multichannel called terminal of described the lowest class.
Optionally, in multiple resolution ratio after the negotiation choose the lowest class resolution ratio, again with negotiation
As a result higher than described the lowest class resolution ratio called terminal hold consultation including：It is high using UPDATE signalings and negotiation result
In the called terminal of the resolution ratio of described the lowest class conversate initiation protocol SIP negotiate, former negotiation result is updated.
Optionally, it is described to negotiate to determine resolution ratio, multiple resolution ratio packets after being negotiated respectively with every road called terminal
It includes：
Itself requested resolution ratio is sent to called terminal, and receives the resolution ratio of called terminal reply, if itself institute
The resolution ratio of request is consistent with the resolution ratio that the called terminal is replied, then using itself requested resolution ratio as with the quilt
It is the resolution ratio after terminal negotiation；If itself requested resolution ratio and the resolution ratio that the called terminal is replied are inconsistent,
According to the resolution ratio that the called terminal is replied, re-start SIP using UPDATE signalings and the called terminal and negotiate, until
Receive the confirmation response that the called terminal is replied, using the resolution ratio that the called terminal is replied as with the called terminal
Resolution ratio after negotiation.
Second aspect, the present invention provide a kind of realization device of multi-channel video call, and described device is located at as caller
Mostly logical terminal, described device include：
First negotiation element, for being established during video calling connect with multichannel called terminal, respectively with every road
Called terminal is negotiated to determine resolution ratio, multiple resolution ratio after being negotiated；
Second negotiation element, for when multiple resolution ratio after the negotiation are not exactly the same, after the negotiation
The resolution ratio of the lowest class is chosen in multiple resolution ratio, it is again called higher than the resolution ratio of described the lowest class with negotiation result
Terminal is held consultation, so that the resolution ratio after negotiating with every road called terminal is all the resolution ratio of described the lowest class；
Video calling unit regards for carrying out multichannel with the multichannel called terminal using the resolution ratio of described the lowest class
Frequency is conversed.
Optionally, second negotiation element, for UPDATE signalings to be used to be higher than described the lowest class with negotiation result
Resolution ratio called terminal conversate initiation protocol SIP negotiation, former negotiation result is updated.
Optionally, first negotiation element for sending itself requested resolution ratio to called terminal, and receives quilt
The resolution ratio of terminal replies is, it, will be certainly when itself requested resolution ratio is consistent with the resolution ratio that the called terminal is replied
The requested resolution ratio of body is as the resolution ratio after negotiating with the called terminal；And when itself requested resolution ratio and institute
State called terminal reply resolution ratio it is inconsistent when, according to the called terminal reply resolution ratio, using UPDATE signalings with
The called terminal re-starts SIP negotiations, until the confirmation response that the called terminal is replied is received, by the called end
The resolution ratio replied is held as the resolution ratio after negotiating with the called terminal.
The third aspect, the present invention provide a kind of more logical terminals, and more logical terminals include the reality of above-mentioned multi-channel video call
Existing device.
Implementation method, device and the mostly logical terminal of multi-channel video call provided in an embodiment of the present invention, are called with multichannel
During terminal establishes video calling connection, negotiate to determine resolution ratio respectively with every road called terminal, it is more after being negotiated
A resolution ratio when multiple resolution ratio after the negotiation are not exactly the same, is chosen from multiple resolution ratio after the negotiation
The resolution ratio of the lowest class is held consultation again with called terminal of the negotiation result higher than the resolution ratio of described the lowest class, with
Resolution ratio after Shi Yumei roads called terminal is negotiated all is the resolution ratio of described the lowest class, and uses point of described the lowest class
Resolution carries out multi-channel video call with the multichannel called terminal.Compared with prior art, the present invention can ensure each road video
Resolution ratio after call foundation all, convenient for the unified display at calling terminal interface, need not just be differentiated below in this way
Some operations such as rate conversion, so as to reduce the inter-process of terminal, save power consumption.
Description of the drawings
Fig. 1 is the flow chart of the implementation method of one embodiment of the invention multi-channel video call；
Fig. 2 is the flow chart of the implementation method of another embodiment of the present invention multi-channel video call；
Fig. 3 is the structure diagram of the realization device of one embodiment of the invention multi-channel video call.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of implementation method of multi-channel video call, and the method is applied to the how logical end as caller
End, as shown in Figure 1, the method includes：
S11, it establishes during video calling connect, negotiates respectively with every road called terminal true with multichannel called terminal
Determine resolution ratio, multiple resolution ratio after being negotiated.
It specifically, can be as follows with negotiating to determine resolution ratio per called terminal all the way：
Itself requested resolution ratio is sent to called terminal, and receives the resolution ratio of called terminal reply, if itself institute
The resolution ratio of request is consistent with the resolution ratio that the called terminal is replied, then using itself requested resolution ratio as with the quilt
It is the resolution ratio after terminal negotiation；If itself requested resolution ratio and the resolution ratio that the called terminal is replied are inconsistent,
According to the resolution ratio that the called terminal is replied, re-start SIP using UPDATE signalings and the called terminal and negotiate, until
Receive the confirmation response that the called terminal is replied, using the resolution ratio that the called terminal is replied as with the called terminal
Resolution ratio after negotiation.
S12, when multiple resolution ratio after the negotiation are not exactly the same, selected from multiple resolution ratio after the negotiation
The resolution ratio of the lowest class is taken, is held consultation again with called terminal of the negotiation result higher than the resolution ratio of described the lowest class,
So that the resolution ratio after negotiating with every road called terminal is all the resolution ratio of described the lowest class.
Specifically, UPDATE signalings and called terminal of the negotiation result higher than the resolution ratio of described the lowest class can be used
The initiation protocol SIP that conversates negotiates, and former negotiation result is updated.
S13, multi-channel video call is carried out using the resolution ratio and the multichannel called terminal of described the lowest class.
The implementation method of multi-channel video call provided in an embodiment of the present invention, video calling is being established with multichannel called terminal
During connection, negotiate to determine resolution ratio, multiple resolution ratio after being negotiated, when the association respectively with every road called terminal
When multiple resolution ratio after quotient are not exactly the same, the resolution ratio of the lowest class is chosen from multiple resolution ratio after the negotiation,
Again it holds consultation with called terminal of the negotiation result higher than the resolution ratio of described the lowest class, so as to be assisted with every road called terminal
Resolution ratio after quotient is all the resolution ratio of described the lowest class, and is called using the resolution ratio of described the lowest class with the multichannel
Terminal carries out multi-channel video call.Compared with prior art, the present invention can ensure the resolution after each road video calling foundation
All, convenient for the unified display at calling terminal interface, need not just carrying out conversion of resolution etc. below in this way, some are operated rate, from
And the inter-process of terminal can be reduced, save power consumption.
Specifically, when carrying out the call of the multi-channel video based on VoLTE, the mostly logical terminal of caller per terminal all the way with carrying out
During negotiation, it can carry out, be as follows according to flow as shown in Figure 2：
(1) INVITE requests are initiated in caller, wherein including the resolution type of caller request.
(2) response for replying 183Session Progress response as INVITE is called, includes called support
Resolution type.
(3) terminal sends PRACK as the response for receiving 183Session Progress.
(4) it if the called medium type replied and the difference of caller request, needs to send and includes second SDP Request
UPDATE message renegotiates resolution ratio.
(5) it is called the response for replying 200OK as UPDATE message.
(6) it is called and sends 180ringing.
(7) it is called and replys the response that 200OK is asked as INVITE
(8) caller sends ACK, to confirm that 200OK is correctly received.
(9) transmission of verification RTP packets is normally carried out, and confirms that access success is established.
(10) BYE release flows are initiated in caller.
By above procedure it is found that carrying SDP message in SIP signalings, the medium type at both ends, INVITE letters can be negotiated
The resolution type of caller support is included in order, the called resolution ratio class supported is included in 183Session Process signalings
Type.It is consensus that resolution ratio calling and called may be updated by UPDATE signalings.
By taking two-path video is conversed as an example, the mostly logical terminal of caller creates two-way dedicated bearing, while with called terminal A and being called
Terminal B carries out regarding call, and the mostly logical terminal of caller at the beginning and the called terminal A resolution ratio negotiated are VGA, are assisted with called terminal B
The resolution ratio of quotient is QVGA, and the mostly logical terminal of caller can judge each road resolution ratio after consulting, using low resolution as mark
Standard will re-start high-resolution that all the way SIP negotiations, using UPDATE signalings, such as the mostly logical terminal of caller and quilt
Terminal A is made to need to renegotiate resolution ratio for QVGA, can so ensure the resolution ratio after each road video calling foundation all, this
When sample subsequently carries out multi-channel video call again, the mostly logical terminal of caller need not just carry out conversion of resolution etc., and some are operated, convenient for master
Cry the unified display of more logical terminal interfaces.
The embodiment of the present invention also provides a kind of realization device of multi-channel video call, and described device is located at as the more of caller
Logical terminal, as shown in figure 3, described device includes：
First negotiation element 11, for being established during video calling connect with multichannel called terminal, respectively with often
Road called terminal is negotiated to determine resolution ratio, multiple resolution ratio after being negotiated；
Second negotiation element 12, for when multiple resolution ratio after the negotiation are not exactly the same, after the negotiation
Multiple resolution ratio in choose the lowest class resolution ratio, again with negotiation result higher than described the lowest class resolution ratio quilt
Terminal is made to hold consultation, so that the resolution ratio after negotiating with every road called terminal is all the resolution ratio of described the lowest class；
Video calling unit 13, for carrying out multichannel using the resolution ratio of described the lowest class and the multichannel called terminal
Video calling.
The realization device of multi-channel video call provided in an embodiment of the present invention, video calling is being established with multichannel called terminal
During connection, negotiate to determine resolution ratio, multiple resolution ratio after being negotiated, when the association respectively with every road called terminal
When multiple resolution ratio after quotient are not exactly the same, the resolution ratio of the lowest class is chosen from multiple resolution ratio after the negotiation,
Again it holds consultation with called terminal of the negotiation result higher than the resolution ratio of described the lowest class, so as to be assisted with every road called terminal
Resolution ratio after quotient is all the resolution ratio of described the lowest class, and is called using the resolution ratio of described the lowest class with the multichannel
Terminal carries out multi-channel video call.Compared with prior art, the present invention can ensure the resolution after each road video calling foundation
All, convenient for the unified display at calling terminal interface, need not just carrying out conversion of resolution etc. below in this way, some are operated rate, from
And the inter-process of terminal can be reduced, save power consumption.
Optionally, second negotiation element 12, for using UPDATE signalings most low higher than described with negotiation result
Grade resolution ratio called terminal conversate initiation protocol SIP negotiation, former negotiation result is updated.
Optionally, first negotiation element 11 for sending itself requested resolution ratio to called terminal, and receives
The resolution ratio that called terminal is replied, will when itself requested resolution ratio is consistent with the resolution ratio that the called terminal is replied
Itself requested resolution ratio is as the resolution ratio after negotiating with the called terminal；And when itself requested resolution ratio with
When the resolution ratio that the called terminal is replied is inconsistent, according to the resolution ratio that the called terminal is replied, UPDATE signalings are used
SIP is re-started with the called terminal to negotiate, until the confirmation response that the called terminal is replied is received, it will be described called
The resolution ratio of terminal replies is as the resolution ratio after negotiating with the called terminal.
The device of the present embodiment can be used for performing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
The embodiment of the present invention also provides a kind of more logical terminals, and more logical terminals include the realization of above-mentioned multi-channel video call
Device.
The embodiment of the present invention can be adapted for the multi-channel video call based on VoLTE, but be not limited only to this.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. a kind of implementation method of multi-channel video call, which is characterized in that the method is applied to the how logical terminal as caller,
The method includes：
It is established during video calling connect with multichannel called terminal, negotiates to determine to differentiate respectively with every road called terminal
Rate, multiple resolution ratio after being negotiated；
When multiple resolution ratio after the negotiation are not exactly the same, chosen from multiple resolution ratio after the negotiation most low
The resolution ratio of grade is held consultation again with called terminal of the negotiation result higher than the resolution ratio of described the lowest class, so that with every
Resolution ratio after road called terminal is negotiated all is the resolution ratio of described the lowest class；
Multi-channel video call is carried out using the resolution ratio and the multichannel called terminal of described the lowest class.
2. it according to the method described in claim 1, it is characterized in that, is chosen most in multiple resolution ratio after the negotiation
The resolution ratio of inferior grade, again with negotiation result higher than described the lowest class resolution ratio called terminal hold consultation including：
It is conversated initiation protocol SIP higher than the called terminal of the resolution ratio of described the lowest class using UPDATE signalings and negotiation result
Negotiate, former negotiation result is updated.
3. according to the method described in claim 1, it is characterized in that, described negotiate to determine to differentiate respectively with every road called terminal
Rate, multiple resolution ratio after being negotiated include：
Itself requested resolution ratio is sent to called terminal, and receives the resolution ratio of called terminal reply, if itself is asked
Resolution ratio it is consistent with the resolution ratio that the called terminal is replied, then using itself requested resolution ratio as with the called end
Resolution ratio after the negotiation of end；If itself requested resolution ratio and the resolution ratio that the called terminal is replied are inconsistent, basis
The resolution ratio that the called terminal is replied re-starts SIP using UPDATE signalings and the called terminal and negotiates, until receiving
The confirmation response replied to the called terminal, negotiates using the resolution ratio that the called terminal is replied as with the called terminal
Resolution ratio afterwards.
4. a kind of realization device of multi-channel video call, which is characterized in that described device is located at the how logical terminal as caller, institute
Device is stated to include：
First negotiation element for being established during video calling connect with multichannel called terminal, is called with every road respectively
Terminal negotiates to determine resolution ratio, multiple resolution ratio after being negotiated；
Second negotiation element, for when multiple resolution ratio after the negotiation are not exactly the same, from multiple after the negotiation
The resolution ratio of the lowest class is chosen in resolution ratio, is higher than the called terminal of the resolution ratio of described the lowest class with negotiation result again
It holds consultation, so that the resolution ratio after negotiating with every road called terminal is all the resolution ratio of described the lowest class；
Video calling unit leads to for carrying out multi-channel video with the multichannel called terminal using the resolution ratio of described the lowest class
Words.
5. device according to claim 4, which is characterized in that second negotiation element, for using UPDATE signalings
With negotiation result higher than described the lowest class resolution ratio called terminal conversate initiation protocol SIP negotiate, to original negotiate
As a result it is updated.
6. device according to claim 4, which is characterized in that first negotiation element, for being sent to called terminal
Itself requested resolution ratio, and the resolution ratio of called terminal reply is received, when itself requested resolution ratio is called with described
When the resolution ratio of terminal replies is consistent, using itself requested resolution ratio as the resolution ratio after negotiating with the called terminal；
And it when the resolution ratio of itself requested resolution ratio and called terminal reply is inconsistent, is returned according to the called terminal
Multiple resolution ratio re-starts SIP using UPDATE signalings and the called terminal and negotiates, until receiving the called terminal
The confirmation response of reply, using the resolution ratio that the called terminal is replied as the resolution ratio after negotiating with the called terminal.
7. a kind of more logical terminals, which is characterized in that more logical terminals include more as described in any one of claim 4 to 6
The realization device of road video calling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611170505.8A CN108206923B (en) | 2016-12-16 | 2016-12-16 | Method and device for realizing multichannel video call and multichannel terminal |
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| CN201611170505.8A CN108206923B (en) | 2016-12-16 | 2016-12-16 | Method and device for realizing multichannel video call and multichannel terminal |
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| CN108206923B (en) | 2020-10-27 |
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