CN108023869A - Parameter regulation means, device and the mobile terminal of multimedia communication - Google Patents
Parameter regulation means, device and the mobile terminal of multimedia communication Download PDFInfo
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- CN108023869A CN108023869A CN201610978906.XA CN201610978906A CN108023869A CN 108023869 A CN108023869 A CN 108023869A CN 201610978906 A CN201610978906 A CN 201610978906A CN 108023869 A CN108023869 A CN 108023869A
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- mobile terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1083—In-session procedures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
Abstract
This application discloses the parameter regulation means, device and mobile terminal of multimedia communication.Wherein, this method includes：First mobile terminal detects whether the multimedia parameter employed in presently described multimedia communication needs to adjust during multimedia communication is carried out with the second mobile terminal；When detecting that the multimedia parameter need to adjust, the negotiation request of multimedia parameter is generated, and consult request transmission to second mobile terminal by described；In the confirmation message for receiving the second mobile terminal response negotiation request and sending, the multimedia parameter employed in the multimedia communication is adjusted according to the confirmation message.By the above-mentioned means, it can ensure the quality of multimedia communication.
Description
Technical field
This application involves parameter regulation means, device and the mobile terminal of technical field of memory, particularly multimedia communication.
Background technology
Video communication refers to the communication service for transmitting video information.In video communication, communicating pair needs first to consult
The multimedia parameter used in the video communication.In current LTE Trunked Radio Systems, communicating pair is in video call mistake
The negotiation of multimedia parameter is completed in journey, in follow-up call, then will not rechange multimedia parameter.
However, in Long Term Evolution (English：Long Term Evolution, referred to as：LTE) in cluster private network scene, user
When carrying out call business, usually mobile, the environment of eating dishes without rice or wine residing for it is not stopping to change.If user is carrying out in real time
During video traffic, since the change for quality of eating dishes without rice or wine can cause video cardton or the phenomenon of mosaic to occur in moving process, cause
Communication quality reduces.
The content of the invention
The application provides parameter regulation means, device and the mobile terminal of multimedia communication, can ensure multimedia communication
Quality.
The application first aspect provides a kind of parameter regulation means of multimedia communication, including：First mobile terminal with
During second mobile terminal carries out multimedia communication, detecting the multimedia parameter employed in presently described multimedia communication is
It is no to need to adjust；When detecting that the multimedia parameter need to adjust, the negotiation request of multimedia parameter is generated, and by the negotiation
Request is sent to second mobile terminal；Sent really receiving the second mobile terminal response negotiation request
When recognizing message, the multimedia parameter employed in the multimedia communication is adjusted according to the confirmation message.
Wherein, whether the multimedia parameter employed in the presently described multimedia communication of detection needs to adjust, including：Often
Counted every setting time in the setting time inner multimedia key frame loss rate；Judge whether continuously to count what is obtained several times
The multimedia key frame loss rate exceedes threshold value, if, it is determined that it is more employed in presently described multimedia communication
Media parameter needs to adjust.
Wherein, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information, the more matchmakers of the generation
The negotiation request of body parameter, including：Determine to be suitable at least one set of multimedia parameter information of current network state；Generation includes
The negotiation request of definite at least one set of multimedia parameter information.
Wherein, the confirmation message includes the selection result at least one set of multimedia parameter information, the basis
Confirmation message adjustment multimedia parameter used by the multimedia communication, including：According in the confirmation message
Multimedia parameter information described in the selection result determine finally to consult one group；Using the definite multimedia parameter information
Multimedia parameter of the corresponding adjustment employed in the multimedia communication.
Wherein, the current network state includes current network speed, bandwidth, receives at least one of signal.
Wherein, it is described to consult the Non-Access Stratum (English of request and the confirmation message for extension：Network Attached
Storage, referred to as：NAS) signaling.
Wherein, the multimedia parameter includes resolution ratio, code check, frame per second, bit rate, video quality grade, capability list, picture
At least one of matter, packing manner, the multimedia communication are video communication.
The application second aspect provides a kind of parameter regulation means of multimedia communication, including：With the first mobile terminal
During carrying out multimedia communication, the negotiation that the second mobile terminal receives the multimedia parameter that first mobile terminal is sent please
Ask；According to the multimedia parameter information consulted request and determine to consult；Confirmation message is sent to first mobile terminal, with
Notify the multimedia parameter information determined described in first mobile terminal；One is finally being consulted with the first mobile terminal
During group multimedia parameter information, adjustment is corresponded in the multimedia communication using the multimedia parameter information finally consulted
Employed in multimedia parameter.
Wherein, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information；Described in the basis
Consult the multimedia parameter information that request determines to consult, including：To at least one set of multimedia ginseng consulted in request
Number information makes choice, and obtains the multimedia parameter information of the negotiation；It is described to disappear to first mobile terminal transmission confirmation
Breath, including：Generation includes the confirmation message of selection result, and the confirmation message is sent to first mobile terminal.
Wherein, it is described that at least one set of multimedia parameter information consulted in request is made choice, obtain institute
The multimedia parameter information of negotiation is stated, including：At least one set of multimedia parameter information consulted in request is carried out
Selection is suitable for the multimedia parameter information of current network state, the multimedia parameter information as the negotiation.
Wherein, the current network state includes current network speed, bandwidth, receives at least one of signal.
Wherein, it is described to consult the Non-Access Stratum NAS signaling of request and the confirmation message for extension.
Wherein, the multimedia parameter includes resolution ratio, code check, frame per second, bit rate, video quality grade, capability list, picture
At least one of matter, packing manner, the multimedia communication are video communication.
The application third aspect provides a kind of parameter adjustment controls of multimedia communication, and the parameter adjustment controls are used for the
One mobile terminal, including：Detection module, for carrying out multimedia communication in first mobile terminal and the second mobile terminal
Cheng Zhong, detects whether the multimedia parameter employed in presently described multimedia communication needs to adjust；Negotiation module, for detecting
When need to be adjusted to the multimedia parameter, the negotiation request of multimedia parameter is generated, and consult to ask to send to described by described
Second mobile terminal；Module is adjusted, for being sent really receiving the second mobile terminal response negotiation request
When recognizing message, multimedia of first mobile terminal employed in the multimedia communication is adjusted according to the confirmation message
Parameter.
The application fourth aspect provides a kind of parameter adjustment controls of multimedia communication, and the parameter adjustment controls are used for can
The second mobile terminal of multimedia communication is carried out with the first mobile terminal, including：Receiving module, for whole in the described second movement
During end carries out multimedia communication with the first mobile terminal, the association for the multimedia parameter that first mobile terminal is sent is received
Consult and request and ask；Negotiation module, for according to the multimedia parameter information consulted request and determine to consult；Sending module, for
First mobile terminal sends confirmation message, to notify the multimedia parameter determined described in first mobile terminal to believe
Breath；Module is adjusted, for when finally consulting one group of multimedia parameter information with the first mobile terminal, finally being assisted using described
The good multimedia parameter information of business corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
The aspect of the application the 5th provides a kind of mobile terminal, and the mobile terminal is the first mobile terminal, including transmitter,
Receiver, memory and processor；The memory is used to store the computer instruction for being configured as being performed by the processor；
The processor performs the computer instruction, is used for：Multimedia is carried out in first mobile terminal and the second mobile terminal
In communication process, detect whether the multimedia parameter employed in presently described multimedia communication needs to adjust；It is described detecting
When multimedia parameter need to adjust, the negotiation request of multimedia parameter is generated, and indicator -transmitter consults request transmission extremely by described
Second mobile terminal；The second mobile terminal response negotiation request is received in the receiver and is sent really
When recognizing message, the multimedia parameter employed in the multimedia communication is adjusted according to the confirmation message.
Wherein, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information, the processor holds
The negotiation request of the row generation multimedia parameter, including：Determine that at least one set of multimedia for being suitable for current network state is joined
Number information；Negotiation of the generation comprising definite at least one set of multimedia parameter information is asked.
Wherein, the confirmation message includes the selection result at least one set of multimedia parameter information, the processing
Device execution is described according to confirmation message adjustment multimedia parameter used by the multimedia communication, including：According to institute
State multimedia parameter information described in one group that the selection result in confirmation message determines finally to consult；Using described definite
Multimedia parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
Wherein, it is described to consult the NAS signaling of request and the confirmation message for extension.
The aspect of the application the 6th provides a kind of mobile terminal, and the mobile terminal is that can carry out more matchmakers with the first mobile terminal
Second mobile terminal of body communication, including transmitter, receiver, memory and processor；The memory be used for store by with
It is set to the computer instruction performed by the processor；The processor performs the computer instruction, is used for：Described second
During mobile terminal and the first mobile terminal carry out multimedia communication, it is whole to obtain first movement that the receiver receives
Hold the negotiation request of the multimedia parameter sent；According to the multimedia parameter information consulted request and determine to consult；Instruction institute
State transmitter and send confirmation message to first mobile terminal, it is described more to notify to determine described in first mobile terminal
Media parameter information；When finally consulting one group of multimedia parameter information with the first mobile terminal, using the final negotiation
Good multimedia parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
Wherein, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information；The processor is held
Row is described according to the multimedia parameter information consulted request and determine to consult, including：Described in asking the negotiation extremely
Few one group of multimedia parameter information makes choice, and obtains the multimedia parameter information of the negotiation；Described in the processor performs
Indicate that the transmitter sends confirmation message to first mobile terminal, including：Generation includes the confirmation message of selection result,
And indicate that the transmitter sends the confirmation message to first mobile terminal.
Wherein, the processor perform it is described at least one set of multimedia parameter information consulted in request into
Row selection, obtains the multimedia parameter information of the negotiation, including：To at least one set of multimedia consulted in request
Parameter information makes choice the multimedia parameter information for being suitable for current network state, and the multimedia as the negotiation is joined
Number information.
Wherein, it is described to consult the NAS signaling of request and the confirmation message for extension.
, can be to more matchmakers during the first mobile terminal and the progress multimedia communication of the second mobile terminal in such scheme
Body parameter information is renegotiated, and continues this multimedia communication using the multimedia parameter information consulted, therefore
The adaptive configuration in the multimedia parameter of communication process is realized, avoids causing packet loss since present multimedia parameter mismatches
The problems such as, and then ensure more matchmaker's communication qualities.
Brief description of the drawings
Fig. 1 is the structure diagram that the application communication system unifies embodiment；
Fig. 2 is the flow of one embodiment of parameter regulation means of the multimedia communication performed by the application communication system
Figure；
Fig. 3 is the part of another embodiment of parameter regulation means of the multimedia communication performed by the application communication system
Flow chart；
Fig. 4 is the flow chart of one embodiment of parameter regulation means of the application multimedia communication；
Fig. 5 is the flow chart of another embodiment of parameter regulation means of the application multimedia communication；
Fig. 6 is the structure diagram of one embodiment of parameter adjustment controls of the application multimedia communication；
Fig. 7 is the structure diagram of another embodiment of parameter adjustment controls of the application multimedia communication；
Fig. 8 is the structure diagram of one embodiment of the application mobile terminal.
Embodiment
In being described below, in order to illustrate rather than in order to limit, it is proposed that such as particular system structure, interface, technology it
The detail of class, to understand thoroughly the application.However, it will be clear to one skilled in the art that these are specific
The application can also be realized in the other embodiment of details.In other situations, omit to well-known device, circuit with
And the detailed description of method, in case unnecessary details hinders the description of the present application.
For ease of understanding the application, first the application communication system is illustrated.
Please refer to Fig.1 and Fig. 2, Fig. 1 are structure diagrams that the application communication system unifies embodiment, Fig. 2 is the application
The flow chart of the communication means of communication system shown in Fig. 1.By taking LTE cluster private networks as an example, communication system 10 is LTE broadbands cluster
Communication system, including the first mobile terminal 11, the second mobile terminal 12, multiple base stations 13,14, cluster core net 15.Wherein, move
Dynamic terminal 11,12 is connected by base station 13,14 with cluster core net 15, and cluster core net 15 is used for mobile management and calling is managed
Reason.Multimedia communication can be carried out by base station and cluster core net between first mobile terminal 11 and the second mobile terminal 12, such as
Video calling etc..
As shown in Fig. 2, the multimedia communication process of communication system 10 is as follows：
1st, call establishment：When the first mobile terminal 11 sends call request by base station 13, cluster core net 15
The call request is received, and forwards the calling please to called second mobile terminal 12 by base station 14 according to the call request
Ask, when the second mobile terminal 12 sends the response message of the call request, establish call business.
Wherein, in this process, the first mobile terminal 11 and the second mobile terminal 12 can first carry out the association of multimedia parameter
Business.
Incorporated by reference to reference to figure 3, after the first mobile terminal 11 carries out context foundation with base station 13, the as main calling terminal
One mobile terminal 11 initiates call request (CALL REQUEST), wherein, the conversation description association consulted is included in the call request
View (English：Session Description Protocol, referred to as：SDP multimedia parameter information), can specifically include multigroup
Multimedia parameter information, every group of multimedia parameter information can include：Capability list, image quality, video quality grade, resolution ratio, bit
The parameter informations such as rate, packing manner.For example, one group of multimedia parameter includes profile-level-id, the profile-
Level-id is three bytes, specifically includes the first byte AVCProfileIndication：For representing image quality；Second byte
profile_compatibility：For representing corresponding capability list, which is used to represent that the current support of mobile terminal is more
The ability rating of media, may be provided with multiple capability lists in mobile terminal, specifies a capability list by second byte, and pass through
The image quality of the capability list specified and the first byte representation goes to determine its supported maximum resolution ratio, frame per second, code check；3rd
Byte AVCLevlIndication：For representing the resolution ratio, frame per second, code check of maximum.First mobile terminal 11 can prop up itself
At least one set of multimedia parameter information held and suggested is supplied to called side in the lump by call request.
After the second mobile terminal 12 as called side receives call request, according to self-condition, in call request
Multimedia parameter information in select one group, as the multimedia parameter information used in this communication finally consulted.
Certainly, if find itself can not support call request in multimedia parameter information, sent again to the first mobile terminal 11
The request of negotiation, to ask the first mobile terminal 11 to send other multimedia parameter information, is write again, or directly will
Itself support at least one set of multimedia parameter information send to the first mobile terminal 11 so that the first mobile terminal 11 from this to
The multimedia parameter information of final agreement is selected in few one group of multimedia parameter information, and feeds back its selection result.
Second mobile terminal 12 initiates to carry exhaling for the multimedia parameter information that finally consults after Answer Key is pressed
Connection (CALL CONNECT) is cried to the first mobile terminal 11, to realize this call establishment.
It is understood that it is calling terminal not limit the first mobile terminal 12, the second mobile terminal is called side, i.e., its
In his embodiment, the first mobile terminal 12 can be called side, and the second mobile terminal can be calling terminal.
2nd, converse：First mobile terminal 11 and the second mobile terminal 12 are conversed by base station and core net.
First mobile terminal 11 and the second mobile terminal 12 are during this multimedia communication, using in calling procedure
The multimedia parameter information finally consulted carries out this multimedia communication.
3rd, the first mobile terminal 11 detects that multimedia parameter needs to adjust.Wherein, for example, the first mobile terminal 11 is carrying out
Timing or real-time detection current demand signal reception condition during the multimedia communication, if finding, current demand signal reception condition is not inconsistent
Close and impose a condition, as packet loss is excessively high, it is determined that be currently needed for adjusting the multimedia parameter in the multimedia communication.
4th, the negotiation request of multimedia parameter.For example, the first mobile terminal 11 determines suitable according to itself current network state
The multigroup multimedia parameter information closed, and definite multimedia parameter is packaged in negotiation request, and negotiation request is logical
Base station 13 is crossed to send to cluster core net 15.In this example, negotiation request is the NAS signaling of extension, and the negotiation is asked in advance
First add in communication protocol, so that the said equipment can identify the request.
5th, cluster core net 15 asks the negotiation to be forwarded to the second mobile terminal 12 by base station 14.
6th, the second mobile terminal 12 obtains multigroup multimedia parameter information of negotiation in being asked from negotiation, and according to current net
Network state therefrom selects suitable one group of multimedia parameter information, and by selection result packing in the acknowledgement message, will confirm that and disappear
Breath sends and is sent by base station 14 to cluster core net 15.Wherein, which is the NAS signaling of another extension, and in advance
Add into communication protocol, so that the said equipment can identify the message.
7th, the confirmation message is forwarded to the first mobile terminal 11 by cluster core net 15 by base station 13.
8th, converse：First mobile terminal 11 and the second mobile terminal 12 are according to the more of 12 final choice of the second mobile terminal
Media parameter information adjusts the multimedia parameter in this multimedia communication, and is continued this time using the multimedia parameter after adjustment
Multimedia communication.
For example, the user B of the user A of the first mobile terminal 11 and the second mobile terminal 12 carry out video calling, due to
For family A and user B currently in urban district, current network speed reaches setting network speed value, therefore the video calling is consulted in calling procedure
Used video quality grade is high definition, resolution ratio 1280x83, code check 3500Kbps.In communication process, first moves
Dynamic 11 and second mobile terminal 12 of terminal counts Video Key frame loss rate in the 5s every 5s, when user A is moved to suburb,
First mobile terminal 11 detects that the Loss Rate of continuous several times (such as 10 times) statistics exceedes setting thresholding (such as 30%)), then really
Determining the multimedia parameter that current video call uses needs to adjust, and the network state set by inquiring about in database is with being applicable in
Multimedia parameter information between correspondence, obtain two groups of multimedia parameter information matched with current network state, such as
First group is：Video quality grade is SD, resolution ratio 640x480, code check 500kbps；Second group is：Video quality etc.
Level is SD, resolution ratio 83x480, code check 1000kbps.The net that first mobile terminal 11 is made up of base station, core net
Network sends the first extension NAS signaling for carrying two groups of multimedia parameter information to the second mobile terminal 12, that is, consults request.The
After two mobile terminals 12 receive the request, due to detecting that current network state is good, therefore selected from request more than second group
Media parameter information, and the second extension NAS signaling for carrying second group of multimedia parameter information is sent to the first mobile terminal 11,
That is confirmation message.Then, the second mobile terminal 12 then carries out this video calling using second group of multimedia parameter information.The
After one mobile terminal 11 receives the message, the multimedia parameter for determining current video call is second group, and equally uses second
Group multimedia parameter information carries out this video calling.That is, in ensuing video calling, used multimedia parameter
For：Video quality grade is SD, resolution ratio 83x480, code check 1000kbps, until communication both ends again this detect
When multimedia parameter need to adjust, then continue to be adjusted in the manner described above.
It is worth noting that, the communication both ends in the present embodiment can ask to initiate above-mentioned multimedia parameter adjustment, i.e.
In upper example, the executable similar first mobile terminal above-mentioned steps of the second mobile terminal 12 carry out can detect multimedia parameter
Adjust, and the negotiation of multimedia parameter is carried out with the first mobile terminal 11.Certainly, in other embodiments, communication can also be limited
Only have calling terminal that there is the detection in both ends and ask the authority of adjustment multimedia parameter.
In addition, the communication network where the application mobile terminal is not limited to LTE cluster private networks, in other embodiments, can
Think any cordless communication network.
Specifically, the first mobile terminal in the present embodiment and the second mobile terminal can be described in following examples.
Referring to Fig. 4, Fig. 4 is the flow chart of one embodiment of parameter regulation means of the application multimedia communication.The party
Method is as the mobile terminal execution shown in above-mentioned Fig. 1, and the present embodiment is by the first mobile terminal execution.Specifically, this method includes：
S401：For first mobile terminal during multimedia communication is carried out with the second mobile terminal, detection is presently described more
Whether the multimedia parameter employed in media communication needs to adjust.
For example, the first mobile terminal and the second mobile terminal, in video call process is carried out, timing or in real time detection are worked as
Whether the preceding multimedia parameter used in the video calling needs to adjust.Specifically, the first mobile terminal can be according to current net
Network state is to determine whether be adjusted, if current network state meets the regularization condition of setting, it is determined that the current video leads to
Multimedia parameter employed in words need to be readjusted.In other embodiments, the first mobile terminal also can be according to other aspects
Judged, such as whether user switches other multimedia communication patterns etc..
Wherein, current network state includes at least one of packet loss, current network speed, bandwidth, reception signal.
In another embodiment, which specifically includes：
First mobile terminal is counted in the setting time inner multimedia key frame loss rate every setting time；Judgement is
The no continuous multimedia key frame loss rate counted several times exceedes threshold value, if, it is determined that it is presently described
Multimedia parameter employed in multimedia communication needs to adjust.
S402：When detecting that the multimedia parameter need to adjust, the negotiation request of multimedia parameter is generated, and by described in
Consult request to send to second mobile terminal.
In the present embodiment, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information.In the S402
The negotiation of the generation multimedia parameter please specifically may include：Determine to be suitable at least one set of multimedia of current network state
Parameter information；Negotiation of the generation comprising definite at least one set of multimedia parameter information is asked.
For example, heterogeneous networks state is prestored in the first mobile terminal and its multimedia parameter information that should use between
Correspondence.In the multimedia parameter in determining to need to readjust this multimedia communication, from the correspondence to prestore
At least one set of multimedia parameter information corresponding with current network state is found, generation carries at least one set multimedia parameter
The negotiation request of information, and send the request to the second mobile terminal.
Wherein, above-mentioned correspondence can pass through history multimedia communication by user configuration, or by the first mobile terminal
Recording learning obtains.
S403：In the confirmation message for receiving the second mobile terminal response negotiation request and sending, according to
The confirmation message adjusts the multimedia parameter employed in the multimedia communication.
In the present embodiment, the confirmation message includes the choosing of at least one set of multimedia parameter information carried to consulting request
Select result.The S403 includes：More matchmakers described in the selection result in the confirmation message determine finally to consult one group
Body parameter information；More matchmakers of the adjustment employed in the multimedia communication are corresponded to using the definite multimedia parameter information
Body parameter.
Connect example, the second mobile terminal selects one group to be matched with its current network state from receiving in above-mentioned negotiation request
And one group of multimedia parameter information that second mobile terminal can be supported, and generate the confirmation message for carrying selection result,
And send the first mobile terminal extremely.Wherein, the selection result can be specially the selection one group of multimedia parameter information or
It is identified, and or represents to confirm selection or unselected character.
If at least one set of multimedia parameter information for consulting to carry in request cannot meet above-mentioned alternative condition, the
The selection result that the confirmation message that one mobile terminal receives carries selects it according to current network state again not select
His multimedia parameter information, and carry into new negotiation request, to be retransmitted to the second mobile terminal, the first mobile terminal can weigh
Multiple step, until the second mobile terminal confirms therefrom to have selected one group of multimedia parameter information.
After first mobile terminal determines one group of multimedia parameter information that the second mobile terminal selects according to confirmation message, adopt
The currently multimedia communication with the second mobile terminal is carried out with the definite multimedia parameter information.
In the present embodiment, the first mobile terminal uses it during multimedia communication is carried out with the second mobile terminal
Multimedia parameter whether need adjustment to be detected, and detect need to adjust when with the second mobile terminal renegotiate multimedia
Parameter information, and this multimedia communication is continued using the multimedia parameter information consulted, therefore realize and communicating
The adaptive adjustment of the multimedia parameter of journey, avoids due to the problems such as present multimedia parameter mismatch causes packet loss, Jin Erbao
More matchmaker's communication qualities are demonstrate,proved, and change of the user due to wireless signal in moving process can be greatly reduced and bring communication card
, the phenomenon of mosaic etc., improve user using perceiving.
Referring to Fig. 5, Fig. 5 is the flow chart of another embodiment of parameter regulation means of the application multimedia communication.Should
Method is as the mobile terminal execution shown in above-mentioned Fig. 1, and the present embodiment is by the second mobile terminal execution.Specifically, this method includes：
S501：During multimedia communication is carried out with the first mobile terminal, the second mobile terminal receives described first and moves
The negotiation request for the multimedia parameter that dynamic terminal is sent.
S502：According to the multimedia parameter information consulted request and determine to consult.
Wherein, negotiation request can be performed as described above described in example, this S502 includes：Described in asking the negotiation at least
One group of multimedia parameter information makes choice, and obtains the multimedia parameter information finally consulted, specifically such as：To the negotiation
At least one set of multimedia parameter information in request makes choice the multimedia parameter for being suitable for current network state
Information, the multimedia parameter information as the negotiation.
S503：Confirmation message is sent to first mobile terminal, to notify what is determined described in first mobile terminal
The multimedia parameter information.
For example, the second mobile terminal parses the negotiation and asks to obtain when receiving the negotiation being performed as described above in example request
Its at least one set of multimedia parameter information carried, and select from least one set multimedia parameter information one group it is current with it
One group of multimedia parameter information that network state is matched and second mobile terminal can be supported, what is as finally consulted is more
Media parameter information, if in general, meeting above-mentioned condition, the high parameter information of prioritizing selection multimedia quality there are multigroup.The
The generation of two mobile terminals carries the confirmation information and sending of selection result to the first mobile terminal, so that the first mobile terminal can root
The multimedia parameter in this multimedia communication is readjusted according to the selection result.Wherein, the selection result can be specially and be somebody's turn to do
One group of multimedia parameter information of selection or its mark, and or represent to confirm selection or unselected character.
, can if at least one set of multimedia parameter information for consulting to carry in request cannot meet above-mentioned alternative condition
The example confirmation message for sending the non-selected character of expression is performed as described above, so that the first mobile terminal re-starts negotiation；Or
Second mobile terminal meets at least one set of multimedia parameter information of above-mentioned alternative condition according to current network state selection, and raw
The first mobile terminal is confirmed message at least one set multimedia parameter information is carried, and the first mobile terminal execution is as above
S501-S503 steps, therefrom to select one group of multimedia parameter information, and are fed back, so repeat, until terminal check from
One group of multimedia parameter information is selected in the message that opposite end is sent, i.e. the both ends that communicate at this time finally consult multimedia parameter.
S504：When finally consulting one group of multimedia parameter information with the first mobile terminal, using the final negotiation
Good multimedia parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
After the multimedia parameter information is finally consulted, the first mobile terminal and the second mobile terminal are by the multimedia
The multimedia parameter information that the multimedia parameter used in communication is finally consulted according to this is adjusted, and after use adjustment
Multimedia parameter continues the multimedia communication.
It is understood that above-mentioned the first mobile terminal and the second mobile terminal may not be selected according to current network state
Multimedia parameter information, in other embodiments, can also be according in the multimedia communication pattern that user switches in the terminal
Parameter requirements etc. make choice, therefore how to select multimedia parameter information to be not construed as limiting the application at this.
In above example, the negotiation request and confirmation message can be the NAS signaling extended, that is, be different from existing NAS
Signaling, the two new NAS signalings redefined.The multimedia parameter includes resolution ratio, code check, frame per second, bit rate, video
At least one of credit rating, capability list, image quality, packing manner, the multimedia communication are video communication.The current net
Network state includes current network speed, bandwidth, receives at least one of signal.
Referring to Fig. 6, Fig. 6 is the structure diagram of one embodiment of parameter adjustment controls of the application multimedia communication.
The parameter adjustment controls 60 of the multimedia communication are used for the first mobile terminal, specifically include detection module 61,62 and of negotiation module
Adjust module 63.
Detection module 61 is used for during first mobile terminal and the second mobile terminal carry out multimedia communication, inspection
Whether the multimedia parameter surveyed employed in presently described multimedia communication, which needs, adjusts；
Negotiation module 62 is used for when detecting that the multimedia parameter need to adjust, and the negotiation for generating multimedia parameter please
Ask, and consult request transmission to second mobile terminal by described；
Adjustment module 63 is used to disappear in the confirmation for receiving the second mobile terminal response negotiation request and sending
During breath, multimedia of first mobile terminal employed in the multimedia communication is adjusted according to the confirmation message and is joined
Number.
Alternatively, detection module 61 is specifically used for leading in first mobile terminal and the second mobile terminal progress multimedia
During letter, counted every setting time in the setting time inner multimedia key frame loss rate；Judge whether continuous some
The secondary obtained multimedia key frame loss rate that counts exceedes threshold value, if, it is determined that presently described multimedia communication
Employed in multimedia parameter need to adjust.
Alternatively, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information, negotiation module 62
The negotiation request step for performing the generation multimedia parameter specifically includes and determines at least one set for being suitable for current network state
Multimedia parameter information；Negotiation of the generation comprising definite at least one set of multimedia parameter information is asked.
Alternatively, the confirmation message includes the selection result at least one set of multimedia parameter information；Adjust mould
Block 63 is specifically used in the confirmation message for receiving the second mobile terminal response negotiation request and sending, according to institute
State multimedia parameter information described in one group that the selection result in confirmation message determines finally to consult；And determined using described
Multimedia parameter information correspond to multimedia parameter of the adjustment employed in the multimedia communication.
Referring to Fig. 7, Fig. 7 is the structural representation of another embodiment of parameter adjustment controls of the application multimedia communication
Figure.The second movement that the parameter adjustment controls 70 of the multimedia communication are used to carry out multimedia communication with the first mobile terminal is whole
End, specifically includes：Receiving module 71, negotiation module 72, sending module 73 and adjustment module 74.
Receiving module 71 is used for during second mobile terminal and the first mobile terminal carry out multimedia communication, connects
Receive the negotiation request for the multimedia parameter that first mobile terminal is sent；
Negotiation module 72 is used for according to the multimedia parameter information consulted request and determine to consult；
Sending module 73 is used to send confirmation message to first mobile terminal, to notify the first mobile terminal institute
State the definite multimedia parameter information；
Adjust module 74 to be used for when finally consulting one group of multimedia parameter information with the first mobile terminal, using described
The multimedia parameter information finally consulted corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
Alternatively, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information；Negotiation module 72
Specifically for being made choice at least one set of multimedia parameter information consulted in request, the more of the negotiation are obtained
Media parameter information；Sending module 73 is specifically used for the confirmation message that generation includes selection result, and the confirmation message is sent out
Send to first mobile terminal.
Alternatively, negotiation module 72 is specifically used at least one set of multimedia parameter information consulted in request
Make choice the multimedia parameter information for being suitable for current network state, the multimedia parameter information as the negotiation.
The module of above device can to applied to perform above method embodiment in step, illustrate refer to it is above-mentioned
The description of embodiment of the method.
It is understood that first, second mobile terminal in Fig. 6 and embodiment illustrated in fig. 7 can be two shown in Fig. 1
Mobile terminal, i.e. parameter adjustment controls 60 and 70 can be not only used in the first mobile terminal shown in Fig. 1, it can also be used to shown in Fig. 1
The second mobile terminal in, and parameter adjustment controls 60 and 70 can be used for same mobile terminal in.
Refering to Fig. 8, Fig. 8 is the structure diagram of one embodiment of the application mobile terminal.The mobile end of present embodiment
End 80 is the mobile terminal shown in Fig. 1, such as be the first mobile terminal, including transmitter/81, receiver 82, processor 83, is stored
Device 84 and bus 85.
Transmitter 81 is used to send message to external equipment such as base station.
Receiver 82 is used to receive the message that external equipment such as base station is sent.
Memory 84, which is used to store, is configured as the computer instruction that is performed by the processor 83 and in processor 83
The data of required preservation or caching in the course of work.
In the present embodiment, processor 83 is by calling the computer instruction that memory 84 stores, for performing following two
Aspect it is at least one：
First aspect：Mobile terminal 80 is the first mobile terminal；
During first mobile terminal and the second mobile terminal carry out multimedia communication, presently described more matchmakers are detected
Whether the multimedia parameter employed in body communication needs to adjust；
When detecting that the multimedia parameter need to adjust, the negotiation request of multimedia parameter, and indicator -transmitter are generated
81 consult request transmission to second mobile terminal by described；
During the confirmation message for receiving the second mobile terminal response negotiation request in receiver 82 and sending, root
The multimedia parameter employed in the multimedia communication is adjusted according to the confirmation message.
Alternatively, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information, processor 83 holds
The negotiation request of the row generation multimedia parameter, including：Determine that at least one set of multimedia for being suitable for current network state is joined
Number information；Negotiation of the generation comprising definite at least one set of multimedia parameter information is asked.
Alternatively, the confirmation message includes the selection result at least one set of multimedia parameter information, processor
83 execution are described according to confirmation message adjustment multimedia parameter used by the multimedia communication, including：According to institute
State multimedia parameter information described in one group that the selection result in confirmation message determines finally to consult；Using described definite
Multimedia parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
Alternatively, whether processor 83 performs the multimedia parameter detected employed in presently described multimedia communication
Need to adjust, including：Counted every setting time in the setting time inner multimedia key frame loss rate；If judge whether continuous
The multimedia key frame loss rate that dry statistics obtains exceedes threshold value, if, it is determined that presently described multimedia is led to
Multimedia parameter employed in letter needs to adjust.
Second aspect：Mobile terminal 80 is the second mobile terminal；
During second mobile terminal and the first mobile terminal carry out multimedia communication, obtain receiver 82 and receive
First mobile terminal send multimedia parameter negotiation request；
According to the multimedia parameter information consulted request and determine to consult；
Indicator -transmitter 81 sends confirmation message to first mobile terminal, to notify described in first mobile terminal
The definite multimedia parameter information；
When finally consulting one group of multimedia parameter information with the first mobile terminal, using it is described finally consult it is more
Media parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
Alternatively, the negotiation request packet include suggestion adjust at least one set of multimedia parameter information；Processor 83 is held
Row is described according to the multimedia parameter information consulted request and determine to consult, including：Described in asking the negotiation extremely
Few one group of multimedia parameter information makes choice, and obtains the multimedia parameter information of the negotiation；Processor 83 performs the finger
Show that transmitter 81 sends confirmation message to first mobile terminal, including：Generation includes the confirmation message of selection result, and refers to
Show that transmitter 81 sends the confirmation message to first mobile terminal.
Alternatively, processor 83 perform it is described at least one set of multimedia parameter information consulted in request into
Row selection, obtains the multimedia parameter information of the negotiation, including：To at least one set of multimedia consulted in request
Parameter information makes choice the multimedia parameter information for being suitable for current network state, and the multimedia as the negotiation is joined
Number information.
Above-mentioned processor 83 can also be known as CPU (Central Processing Unit, central processing unit).Storage
Device 84 can include read-only storage and random access memory, and provide instruction and data to processor 83.Memory 84
A part can also include nonvolatile RAM (NVRAM).In specific application, mobile terminal it is above-mentioned each
Component is coupled by bus 84, and wherein bus 84 can also include power bus, control in addition to including data/address bus
Bus and status signal bus in addition etc..But for the sake of clear explanation, various buses are all designated as bus 84 in figure.
The method that the embodiments of the present invention disclose can be applied in processor 83, or be realized by processor 83.Place
It is probably a kind of IC chip to manage device 83, has the disposal ability of signal.During realization, each step of the above method
It can be completed by the integrated logic circuit of the hardware in processor 83 or the instruction of software form.Above-mentioned processor 83 can
To be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), ready-made programmable gate array (FPGA)
Either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It can realize or perform
Disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be microprocessor or this at
It can also be any conventional processor etc. to manage device.The step of method with reference to disclosed in the embodiment of the present invention, can directly embody
Completion is performed for hardware decoding processor, or completion is performed with the hardware in decoding processor and software module combination.Software
Module can be located at random access memory, flash memory, read-only storage, programmable read only memory or electrically erasable programmable storage
In the storage medium of this areas such as device, register maturation.The storage medium is located at memory 84, and processor 83 reads memory 84
In information, with reference to its hardware complete the above method the step of.
, can be to more matchmakers during the first mobile terminal and the progress multimedia communication of the second mobile terminal in such scheme
Body parameter information is renegotiated, and continues this multimedia communication using the multimedia parameter information consulted, therefore
The adaptive configuration in the multimedia parameter of communication process is realized, avoids causing packet loss since present multimedia parameter mismatches
The problems such as, and then ensure more matchmaker's communication qualities.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can
To realize by another way.For example, device embodiments described above are only schematical, for example, the mould
The division of block or unit, is only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple
Unit or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another
Point, shown or discussed mutual coupling, direct-coupling or communication connection can be by some interfaces, device or
The INDIRECT COUPLING of unit or communication connection, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
In network unit.Some or all of unit therein can be selected to realize present embodiment scheme according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, also may be used
To be that unit is individually physically present, can also two or more units integrate in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical solution of the application is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
Embody, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the application
The all or part of step of embodiment the method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
Claims (18)
- A kind of 1. parameter regulation means of multimedia communication, it is characterised in that including：First mobile terminal is detected in presently described multimedia communication during multimedia communication is carried out with the second mobile terminal Whether used multimedia parameter, which needs, adjusts；When detecting that the multimedia parameter need to adjust, the negotiation request of multimedia parameter is generated, and consult to ask by described Send to second mobile terminal；In the confirmation message for receiving the second mobile terminal response negotiation request and sending, disappeared according to the confirmation Multimedia parameter of the breath adjustment employed in the multimedia communication.
- 2. parameter regulation means as claimed in claim 1, it is characterised in that institute in the presently described multimedia communication of detection Whether the multimedia parameter of use, which needs, adjusts, including：Counted every setting time in the setting time inner multimedia key frame loss rate；The multimedia key frame loss rate for judging whether continuously to count several times exceedes threshold value, if so, then true Multimedia parameter employed in fixed presently described multimedia communication needs to adjust.
- 3. parameter regulation means as claimed in claim 1, it is characterised in that the negotiation request packet includes suggestion and adjusts to extremely Few one group of multimedia parameter information,The negotiation request of the generation multimedia parameter, including：Determine to be suitable at least one set of multimedia parameter information of current network state；Negotiation of the generation comprising definite at least one set of multimedia parameter information is asked.
- 4. parameter regulation means as claimed in claim 3, it is characterised in that the confirmation message is included at least one set The selection result of multimedia parameter information,It is described that the multimedia parameter used by the multimedia communication is adjusted according to the confirmation message, including：Multimedia parameter information described in the selection result in the confirmation message determine finally to consult one group；Multimedia parameter of the adjustment employed in the multimedia communication is corresponded to using the definite multimedia parameter information.
- 5. parameter regulation means as claimed in claim 4, it is characterised in that the current network state includes current network speed Rate, bandwidth, receive at least one of signal.
- 6. such as claim 1 to 5 any one of them parameter regulation means, it is characterised in that it is described consult request and it is described really Recognize Non-Access Stratum NAS signaling of the message for extension.
- 7. such as claim 1 to 5 any one of them parameter regulation means, it is characterised in that the multimedia parameter includes dividing At least one of resolution, code check, frame per second, bit rate, video quality grade, capability list, image quality, packing manner, more matchmakers Body communication is video communication.
- A kind of 8. parameter regulation means of multimedia communication, it is characterised in that including：During multimedia communication is carried out with the first mobile terminal, the second mobile terminal receives first mobile terminal and sends Multimedia parameter negotiation request；According to the multimedia parameter information consulted request and determine to consult；Confirmation message is sent to first mobile terminal, to notify the multimedia determined described in first mobile terminal Parameter information；When finally consulting one group of multimedia parameter information with the first mobile terminal, using the multimedia finally consulted Parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
- 9. parameter regulation means as claimed in claim 8, it is characterised in that the negotiation request packet includes suggestion and adjusts to extremely Few one group of multimedia parameter information；It is described to consult to ask to determine the multimedia parameter information consulted according to described, including：At least one set of multimedia parameter information consulted in request is made choice, obtains the multimedia of the negotiation Parameter information；It is described to send confirmation message to first mobile terminal, including：Generation includes the confirmation message of selection result, and the confirmation message is sent to first mobile terminal.
- 10. parameter regulation means as claimed in claim 9, it is characterised in that it is described to it is described consult request in described in extremely Few one group of multimedia parameter information makes choice, and obtains the multimedia parameter information of the negotiation, including：At least one set of multimedia parameter information consulted in request is made choice and is suitable for current network state The multimedia parameter information, the multimedia parameter information as the negotiation.
- 11. a kind of parameter adjustment controls of multimedia communication, it is characterised in that the parameter adjustment controls are used for the first movement eventually End, including：Detection module, during carrying out multimedia communication in first mobile terminal and the second mobile terminal, detection is worked as Whether the multimedia parameter employed in the preceding multimedia communication needs to adjust；Negotiation module, the negotiation for when detecting that the multimedia parameter need to adjust, generating multimedia parameter are asked, and will It is described to consult request transmission to second mobile terminal；Adjust module, for receive second mobile terminal response it is described consult request and send confirmation message when, Multimedia parameter of first mobile terminal employed in the multimedia communication is adjusted according to the confirmation message.
- 12. a kind of parameter adjustment controls of multimedia communication, it is characterised in that the parameter adjustment controls are used to move with first Dynamic terminal carries out the second mobile terminal of multimedia communication, including：Receiving module, during carrying out multimedia communication in second mobile terminal and the first mobile terminal, receives institute State the negotiation request of the multimedia parameter of the first mobile terminal transmission；Negotiation module, for according to the multimedia parameter information consulted request and determine to consult；Sending module, for sending confirmation message to first mobile terminal, to notify described in first mobile terminal really The fixed multimedia parameter information；Module is adjusted, for when finally consulting one group of multimedia parameter information with the first mobile terminal, using described final The multimedia parameter information consulted corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
- A kind of 13. mobile terminal, it is characterised in that the mobile terminal is the first mobile terminal, including transmitter, receiver, Memory and processor；The memory is used to store the computer instruction for being configured as being performed by the processor；The processor performs the computer instruction, is used for：During first mobile terminal and the second mobile terminal carry out multimedia communication, detect presently described multimedia and lead to Whether the multimedia parameter employed in letter needs to adjust；When detecting that the multimedia parameter need to adjust, the negotiation request of multimedia parameter is generated, and indicator -transmitter is by institute Negotiation request is stated to send to second mobile terminal；During the confirmation message for receiving the second mobile terminal response negotiation request in the receiver and sending, according to The confirmation message adjusts the multimedia parameter employed in the multimedia communication.
- 14. mobile terminal as claimed in claim 13, it is characterised in that the negotiation request packet includes suggestion and adjusts at least One group of multimedia parameter information,The processor performs the negotiation request of the generation multimedia parameter, including：Determine to be suitable at least one set of multimedia parameter information of current network state；Negotiation of the generation comprising definite at least one set of multimedia parameter information is asked.
- 15. mobile terminal as claimed in claim 14, it is characterised in that the confirmation message includes more at least one set The selection result of media parameter information,The processor execution is described to adjust the multimedia parameter used by the multimedia communication according to the confirmation message, Including：Multimedia parameter information described in the selection result in the confirmation message determine finally to consult one group；Multimedia parameter of the adjustment employed in the multimedia communication is corresponded to using the definite multimedia parameter information.
- 16. a kind of mobile terminal, it is characterised in that the mobile terminal is that can carry out multimedia communication with the first mobile terminal Second mobile terminal, including transmitter, receiver, memory and processor；The memory is used to store the computer instruction for being configured as being performed by the processor；The processor performs the computer instruction, is used for：During second mobile terminal and the first mobile terminal carry out multimedia communication, obtain what the receiver received The negotiation request for the multimedia parameter that first mobile terminal is sent；According to the multimedia parameter information consulted request and determine to consult；Indicate that the transmitter sends confirmation message to first mobile terminal, to notify described in first mobile terminal really The fixed multimedia parameter information；When finally consulting one group of multimedia parameter information with the first mobile terminal, using the multimedia finally consulted Parameter information corresponds to multimedia parameter of the adjustment employed in the multimedia communication.
- 17. mobile terminal as claimed in claim 16, it is characterised in that the negotiation request packet includes suggestion and adjusts at least One group of multimedia parameter information；The processor performs the multimedia parameter information for determining to consult according to the negotiation request, including：At least one set of multimedia parameter information consulted in request is made choice, obtains the multimedia of the negotiation Parameter information；The processor performs the instruction transmitter and sends confirmation message to first mobile terminal, including：Generation includes the confirmation message of selection result, and indicates that the transmitter sends the confirmation message to described first and move Dynamic terminal.
- 18. mobile terminal as claimed in claim 17, it is characterised in that the processor performs described to the negotiation request In at least one set of multimedia parameter information make choice, obtain the multimedia parameter information of the negotiation, including：At least one set of multimedia parameter information consulted in request is made choice and is suitable for current network state The multimedia parameter information, the multimedia parameter information as the negotiation.
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