CN110213272A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN110213272A CN110213272A CN201910478824.2A CN201910478824A CN110213272A CN 110213272 A CN110213272 A CN 110213272A CN 201910478824 A CN201910478824 A CN 201910478824A CN 110213272 A CN110213272 A CN 110213272A
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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
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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
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
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- Computer Networks & Wireless Communication (AREA)
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- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
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Abstract
The present invention provides a kind of data transmission method and device, is applied to session initial protocol server, is related to video security monitoring technical field.The data transmission method includes: that can receive the session establishment that first terminal is sent by session initial protocol server to request, the session between first terminal and second terminal is established according to session establishment request, the session of foundation sends stream medium data to first terminal for second terminal.The session that first terminal and second terminal are established by session initial protocol server reduces the equipment participated in session establishment process without the participation of multimedia server, reduces the complexity for establishing session connection, improves the efficiency for establishing session；Simultaneously because session initial protocol server only receives or forward corresponding signaling, this method also reduces the processing pressure of session initial protocol server, reduces the unnecessary wasting of resources.
Description
Technical field
The present invention relates to video security monitoring technical fields, in particular to a kind of data transmission method and device.
Background technique
Video security monitoring system is to utilize video technique detection, monitoring security area and real-time display, record scene photo
The electronic system or network of picture and audio, with the increase of safety monitoring demand, video security monitoring system in various industries and
Field is widely used.
In the related technology, video security monitoring system may include sending device, SIP (Session Initiation
Protocol, session initiation protocol) server, media server and receiving device composition, when sip server receives receiving device
After the session establishment request of transmission, session establishment request is sent to media server, media server is established by sip server
With the session of sending device, then media server is established by sip server and receiving device establishes session connection, realizes and send
Equipment is transmitted to the data of receiving device.
But in the related technology, process is excessively complicated when establishing session connection, efficiency drop when causing to establish session connection
It is low.
Summary of the invention
It is an object of the present invention in view of the deficiency of the prior art, a kind of data transmission method and device are provided,
To solve in the related technology, process is excessively complicated when establishing session connection, and efficiency when causing to establish session connection reduces.
To achieve the above object, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, it is applied to session initial protocol server the embodiment of the invention provides a kind of data transmission method,
Include:
Receive the session establishment request that first terminal is sent；
Requested according to the session establishment, establish the session between the first terminal and second terminal, foundation it is described
Session sends stream medium data to the first terminal for the second terminal.
Further, described to be requested according to the session establishment, establish the meeting between the first terminal and second terminal
Words, comprising:
The session establishment request is sent to the second terminal, so that the second terminal is established with described first eventually
Session between end, the session establishment request packet include: the media letter of conversation description grade information and first terminal support
Breath；
Receive the response message that the second terminal is sent, the response message include: the conversation description grade information and
The media information that the second terminal is supported；
The response message is sent to the first terminal；
The confirmation message that the first terminal is sent is received, and sends the confirmation message to the second terminal, it is described
Confirmation message is used to indicate the session establishment and completes.
Further, the media information includes the description of at least one media-level, and the media-level description includes following more
The parameter of seed type: medium type, media transmission protocol, media formats and media transfer port.
Further, the method also includes:
Receive the conversation end request that the first terminal is sent；
The conversation end request is sent to the second terminal, so that the second terminal is asked according to the conversation end
Stopping is asked to send the stream medium data to the server；
It receives the conversation end that the second terminal is sent and requests corresponding response message；
The conversation end is sent to the first terminal and requests corresponding response message, and the conversation end request corresponds to
Response message be used to indicate the conversation end.
Second aspect, the embodiment of the invention provides a kind of data transmission methods, are applied to first terminal, comprising:
Session establishment request is sent to session initial protocol server, the session establishment request is used for the conversation initial
Protocol server is requested according to the session establishment, establishes the session between the first terminal and second terminal；
Receive the stream medium data that the second terminal is sent after the completion of the session establishment.
Further, after the transmission session establishment request to session initial protocol server, the method is also wrapped
It includes:
The response message that the session initial protocol server is sent is received, the response message is conversation initial association
The information that the second terminal that receives of view server is sent, the response message include: conversation description grade information and described
The media information that second terminal is supported；
Confirmation message is sent to the session initial protocol server, so that the session initial protocol server is to described
Second terminal sends the confirmation message, and the confirmation message is used to indicate the session establishment and completes.
Further, it is described receive the second terminal in the session establishment after the completion of stream medium data that sends it
Afterwards, the method also includes:
Conversation end request is sent to the session initial protocol server, the session establishment request is used for the session
Initial protocol server is requested according to the conversation end, terminates the session between the first terminal and the second terminal；
It receives the conversation end that the session initial protocol server is sent and requests corresponding response message, the meeting
The corresponding response message of words ending request is the letter that the second terminal that the session initial protocol server receives is sent
Breath, the conversation end request corresponding response message to be used to indicate the conversation end.
The third aspect, the embodiment of the invention provides a kind of data transmission methods, are applied to second terminal, comprising:
The session establishment request that session initial protocol server is sent is received, at the beginning of the session establishment request is the session
The request that the first terminal that beginning protocol server receives is sent, the session establishment request take for the session initiation protocol
Business device is requested according to the session establishment, establishes the session between the first terminal and the second terminal；
After session establishment completion, stream medium data is sent to the first terminal by the session.
Further, after the session establishment request that the reception session initial protocol server is sent, the method
Further include:
Response message is sent to the session initial protocol server, the response message includes: conversation description grade information
The media information supported with the second terminal；
The confirmation message that the session initial protocol server is sent is received, the confirmation message is conversation initial association
The information that the first terminal that view server receives is sent, the confirmation message are used to indicate the session establishment and complete.
Further, it is described by the session to the first terminal send stream medium data after, the method
Further include:
The conversation end request that the session initial protocol server is sent is received, the conversation end request is the meeting
Talk about the request that the received first terminal of initial protocol server is sent；
The conversation end is sent to the session initial protocol server and requests corresponding response message, so that the meeting
It talks about initial protocol server and sends the corresponding response message of the conversation end request, the conversation end to the first terminal
Corresponding response message is requested to be used to indicate the conversation end.
Fourth aspect, the embodiment of the invention also provides a kind of data transmission devices, are applied to session initiation protocol service
Device, comprising:
First receiving module, for receiving the session establishment request of first terminal transmission；
Module is established, for requesting according to the session establishment, establishes the meeting between the first terminal and second terminal
The session of words, foundation sends stream medium data to the first terminal for the second terminal.
Further, described to establish module, it is specifically used for sending the session establishment request to the second terminal, so that
The session that the second terminal is established between the first terminal is obtained, the session establishment request packet includes: conversation description grade letter
The media information that breath and the first terminal are supported；The second terminal is received in the meeting established between the first terminal
The response message sent after words, the response message includes: that the conversation description grade information and the second terminal are supported
Media information；The response message is sent to the first terminal；Receive the confirmation message that the first terminal is sent, and to institute
It states second terminal and sends the confirmation message, the confirmation message is used to indicate the session establishment and completes.
Further, the media information includes the description of at least one media-level, and the media-level description includes following more
The parameter of seed type: medium type, media transmission protocol, media formats and media transfer port.
Further, described device further include:
Second receiving module, the conversation end request sent for receiving the first terminal；
First sending module, for sending the conversation end request to the second terminal, so that the second terminal
Stop sending the stream medium data to the server according to conversation end request.
Third receiving module requests corresponding response letter for receiving the conversation end that the second terminal is sent
Breath；
Second sending module requests corresponding response message, institute for sending the conversation end to the first terminal
Stating conversation end requests corresponding response message to be used to indicate the conversation end.
5th aspect, the embodiment of the invention also provides a kind of data transmission devices, are applied to first terminal, comprising:
First sending module, for sending session establishment request to session initial protocol server, the session establishment is asked
Ask and requested according to the session establishment for the session initial protocol server, establish the first terminal and second terminal it
Between session；
First receiving module, the Streaming Media number sent after the completion of the session establishment for receiving the second terminal
According to.
Further, described device further include:
Second receiving module, the response message sent for receiving the session initial protocol server, the response letter
Breath is the information that the second terminal that the session initial protocol server receives is sent, and the response message includes: meeting
Talk about the media information that descriptive level information and the second terminal are supported；
Second sending module, for sending confirmation message to the session initial protocol server, so that at the beginning of the session
Beginning protocol server sends the confirmation message to the second terminal, and it is complete that the confirmation message is used to indicate the session establishment
At.
Further, described device further include:
Third sending module, for sending conversation end request to the session initial protocol server, the session is built
Vertical request is requested for the session initial protocol server according to the conversation end, and the first terminal and described the are terminated
Session between two terminals；
Third receiving module is corresponded to for receiving the conversation end request that the session initial protocol server is sent
Response message, the conversation end request corresponding response message be the session initial protocol server receive it is described
The information that second terminal is sent, the conversation end request corresponding response message to be used to indicate the conversation end.
6th aspect, the embodiment of the invention also provides a kind of data transmission devices, are applied to second terminal, comprising:
First receiving module, for receiving the session establishment request of session initial protocol server transmission, the session is built
Vertical request is the request that the first terminal that the session initial protocol server receives is sent, and the session establishment request is used for
The session initial protocol server is requested according to the session establishment, is established between the first terminal and the second terminal
Session；
First sending module, for being sent out by the session to the first terminal after session establishment completion
Send stream medium data.
Further, described device further include:
Second sending module, for sending response message, the response message packet to the session initial protocol server
It includes: the media information that conversation description grade information and the second terminal are supported；
Second receiving module, the confirmation message sent for receiving the session initial protocol server, the confirmation letter
Breath is the information that the first terminal that the session initial protocol server receives is sent, and the confirmation message is used to indicate
The session establishment is completed.
Further, described device further include:
Third receiving module, the conversation end request sent for receiving the session initial protocol server, the meeting
Talking about ending request is the request that the received first terminal of the session initial protocol server is sent；
Third sending module requests corresponding sound for sending the conversation end to the session initial protocol server
Information is answered, so that the session initial protocol server, which sends the conversation end to the first terminal, requests corresponding response
Information, the conversation end request corresponding response message to be used to indicate the conversation end.
The beneficial effects of the present invention are: the embodiment of the present invention provides a kind of data transmission method and device, session can be passed through
Initial protocol server receives the session establishment request that first terminal is sent, and establishes first terminal and the according to session establishment request
The session of session between two terminals, foundation sends stream medium data to first terminal for second terminal.Pass through conversation initial
Protocol server establishes the session of first terminal and second terminal, without the participation of multimedia server, reduces session establishment
The equipment participated in process reduces the complexity for establishing session connection, improves the efficiency for establishing session；Simultaneously because meeting
Words initial protocol server only receives or forwards corresponding signaling, and this method also reduces the place of session initial protocol server
Pressure is managed, the unnecessary wasting of resources is reduced.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of a data transmission system provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of a data transmission method provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of a data transmission method provided in an embodiment of the present invention；
Fig. 4 is the flow diagram of a data transmission method provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention；
Figure 13 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
In embodiments of the present invention, first terminal can be media stream receiver equipment, for example, first terminal can be hand
Machine, or computer, the equipment that video and audio broadcasting can also can be carried out for other, second terminal can be Media Stream
Sending device, for example, second terminal can be video camera, can also with monitoring probe, can also for other be able to carry out video and
The equipment of audio collection.
Process is excessively complicated when in order to avoid in the related technology, establishing session connection, effect when causing to establish session connection
Rate reduces, and the embodiment of the present invention provides a kind of data transmission system, and Fig. 1 is a data transmission system provided in an embodiment of the present invention
Structural schematic diagram, as shown in Figure 1, the system may include: first terminal 101, second terminal 102 and session initiation protocol clothes
Business device 103.
The embodiment of the present invention sends session establishment request by first terminal 101, and session initial protocol server 103 receives
Session establishment request, and session establishment request is sent to second terminal 102, second terminal 102 can take to session initiation protocol
Business device 103 sends response message, and session initial protocol server 103 can receive response message, and send to first terminal 101
Response message, first terminal 101 can receive response message and send the first confirmation letter to session initial protocol server 103
Breath, second terminal 102 can receive the first confirmation message, to establish the meeting between first terminal 101 and second terminal 102
Words, second terminal 102 can send stream medium data to first terminal 101 by the session of foundation.
Wherein, first terminal 101 can be able to be computer to receive terminal, the i.e. terminal of receiving stream media data,
It can be mobile phone, can also be the equipment that other can receive stream medium data；Second terminal 102 can be to send terminal, i.e.,
The acquisition terminal of stream medium data can be video camera, or other can acquire the equipment of stream medium data.In reality
In the application process of border, second terminal 102 can acquire stream medium data in real time, and build by session initial protocol server 103
After the vertical session with first terminal 101, by the session of foundation, eventually to first by its collected transmission of flow media data of institute
End 101, realizes the session between first terminal 101 and second terminal 102.
Fig. 2 is the flow diagram of a data transmission method provided in an embodiment of the present invention, and this method can be by above-mentioned Fig. 1
Shown in session initial protocol server 103, with first terminal 101 and second terminal 102 cooperation realize.As shown in Fig. 2, the party
Method includes:
S201, first terminal send session establishment request to session initial protocol server.
Wherein, session establishment request is requested for session initial protocol server according to session establishment, and first terminal is established
Session between second terminal.
In a kind of possible embodiment, session establishment request can be for user's operation received by first terminal such as
Check the session establishment request that operation etc. is triggered, which can be sent to after getting session establishment request
To session initial protocol server.
In addition, may include the session establishment parameter of first terminal in session establishment request, so that initiation protocol service
Device establishes the session between first terminal and second terminal according to the session establishment parameter of first terminal.
S202, session initial protocol server receive the session establishment request that first terminal is sent.
After first terminal sends session establishment request to session initial protocol server, session initial protocol server
It can receive the session establishment request of first terminal transmission, and send session establishment request to second terminal, so that second terminal
It can receive session establishment request.
In a kind of possible embodiment, when user needs to obtain stream medium data, user can be by first eventually
End obtains stream medium data, for example, send stream medium data to first terminal checks operation, first terminal can in response to
The operation at family sends session establishment request to first terminal, so that first terminal sends session to session initial protocol server
Request is established, to trigger the session establishment between first terminal and second terminal.
S203, session initial protocol server are requested according to session establishment, are established between first terminal and second terminal
Session.
Wherein, the session of foundation sends stream medium data to first terminal for second terminal.
After receiving the session establishment request that first terminal is sent, session initial protocol server can be built according to session
Vertical request, establishes the session between first terminal and second terminal, use so that second terminal can by the session of foundation to
First terminal sends stream medium data.
In a kind of possible embodiment, the session that session initial protocol server can receive first terminal transmission is built
Vertical request, and session establishment request is sent to second terminal, second terminal can be after receiving session establishment request, at the beginning of session
Beginning protocol server sends response message corresponding with session ending request, and session initial protocol server can receive and session
The corresponding response message of ending request, and response message corresponding with session ending request is sent to first terminal, so that first
The determining session establishment between second terminal of terminal is completed.
It should be noted that session initial protocol server can use session initiation protocol, establishes, modifies or terminate
Session between first terminal and second terminal.
S204, session establishment completion after, second terminal by session to first terminal send stream medium data.
S205, first terminal receive the stream medium data that second terminal is sent after the completion of session establishment.
Wherein, after stream medium data is the session by second terminal between foundation and first terminal, its is collected
Stream medium data is sent to first terminal by session, and stream medium data can be the real-time collected audio number of second terminal institute
According to stream and/or video data stream.
It should be noted that second terminal can be real-time after session establishment between first terminal and second terminal
Voice data stream and/or video data stream are acquired, and can be according to the voice data stream of acquisition and/or the time of video data stream
Sequencing transmits voice data stream to first terminal by session and/or video data stream, first terminal can receive sound sound
Frequency data stream and/or video data stream, and corresponding audio and video are played and/or shown to user.
Voice data stream and/or video data stream in the embodiment of the present invention can be voice data stream, video data
Stream, voice data stream and video data stream, any one in this three.
In conclusion the embodiment of the present invention provides a kind of data transmission method, can be connect by session initial protocol server
The session establishment request that first terminal is sent is received, the meeting between first terminal and second terminal is established according to session establishment request
The session of words, foundation sends stream medium data to first terminal for second terminal.It is established by session initial protocol server
The session of first terminal and second terminal reduces and is participated in session establishment process without the participation of multimedia server
Equipment reduces the complexity for establishing session connection, improves the efficiency for establishing session；Simultaneously because session initiation protocol service
Device only receives or forwards corresponding signaling, and this method also reduces the processing pressure of session initial protocol server, reduces
The unnecessary wasting of resources.
Fig. 3 is the flow diagram of a data transmission method provided in an embodiment of the present invention, as shown in figure 3, above-mentioned basis
Session establishment request, establishes the session between first terminal and second terminal, may include:
S301, first terminal send session establishment request to session initial protocol server.
In embodiments of the present invention, the process of S301 and the process of S201 are similar, and details are not described herein again.
S302, session initial protocol server receive the session establishment request that first terminal is sent.
In embodiments of the present invention, the process of S302 and the process of S202 are similar, and details are not described herein again.
S303, session initial protocol server send session establishment request to second terminal, so that second terminal is established
Session between first terminal.
Wherein, session establishment request packet includes: the media information of conversation description grade information and first terminal support.
Wherein, session establishment request packet includes: the session establishment parameter of first terminal, such as conversation description grade information and first
The media information that terminal is supported, session establishment request is that first terminal is sent to session initial protocol server.
In embodiments of the present invention, the letter of description Streaming Media initiation parameter format can be carried in session establishment request
Breath that is to say the media information that conversation description grade information and first terminal support can be carried in session establishment request.
For example, may include session name and the bandwidth that purpose, session activation time, session use in conversation description grade information
Information and the contact details of session leader etc..
Optionally, media information includes the description of at least one media-level, and the media-level description includes following multiple types
Parameter: medium type, media transmission protocol, media formats and media transfer port.
In addition, may include session source, session name, connection data, time description, media description and attribute in media information
Deng.
For example, medium type can be audio and video, media transmission protocol can be RTP (Real-time
Transport Protocol, real-time transport protocol) or UDP (User Datagram Protocol, User Datagram Protocol
View).
S304, second terminal receive the session establishment request that session initial protocol server is sent.
Wherein, session establishment request is the request for the first terminal transmission that session initial protocol server receives, session
It establishes request to be requested for session initial protocol server according to session establishment, establishes the meeting between first terminal and second terminal
Words.
S305, second terminal send response message to session initial protocol server.
Wherein, response message includes: the media information that conversation description grade information and second terminal are supported.
S306, session initial protocol server receive the response message that second terminal is sent.
Wherein, response message includes: the media information that conversation description grade information and second terminal are supported.
In a kind of possible embodiment, session initial protocol server sends session establishment to second terminal and requests it
Afterwards, second terminal can receive session establishment request, and according to session establishment request in the media supported of the first terminal that carries
The media information that information and second terminal are supported, determines the media formats that first terminal and terminal are supported, and to conversation initial
Protocol server sends response message, and session initial protocol server can receive response message.
It should be noted that the media formats in the media information that second terminal is supported are as follows: first terminal and second terminal
The media formats supported.
S307, session initial protocol server send response message to first terminal.
In embodiments of the present invention, session initial protocol server sends response message to first terminal, so as to subsequent
The step of in, first terminal can receive response message, and send the first confirmation message to session initial protocol server.
In addition, the first confirmation message that is to say ACK (Acknowledgement confirms character), for indicating first terminal
Have received response message.
S308, first terminal receive the response message that session initial protocol server is sent.
Wherein, response message is the information for the second terminal transmission that session initial protocol server receives, response message
It include: the media information that conversation description grade information and second terminal are supported.
S309, first terminal send confirmation message to session initial protocol server, so that session initial protocol server
Confirmation message is sent to second terminal.
Wherein, confirmation message is used to indicate session establishment completion.
It should be noted that after the response message that first terminal receives that session initial protocol server is sent, first
Terminal needs to send confirmation message to session initial protocol server, so that in subsequent steps, second terminal can pass through
Session initial protocol server knows that first terminal has received response message.
S310, session initial protocol server receive the confirmation message that first terminal is sent, and send really to second terminal
Recognize information.
Wherein, confirmation message is used to indicate session establishment completion.
S311, second terminal receive the confirmation message that session initial protocol server is sent.
Wherein, confirmation message is the information for the first terminal transmission that session initial protocol server receives, confirmation message
It is used to indicate session establishment completion.
Session initial protocol server receives first terminal and sends after the session established between the second terminal
The first confirmation message, and send the first confirmation message to second terminal, second terminal can receive the first confirmation message, then the
Two terminals can be confirmed that first terminal has received response message, then session is established between first terminal and second terminal, rear
In continuous step, second terminal can be by session to first terminal real-time Transmission stream medium data.
S312, session establishment completion after, second terminal by session to first terminal send stream medium data.
In embodiments of the present invention, the process of S312 and the process of S204 are similar, and details are not described herein again.
S313, first terminal receive the stream medium data that second terminal is sent after the completion of session establishment.
In embodiments of the present invention, the process of S313 and the process of S205 are similar, and details are not described herein again.
In conclusion the embodiment of the present invention provides a kind of data transmission method, can be connect by session initial protocol server
The session establishment request that first terminal is sent is received, the meeting between first terminal and second terminal is established according to session establishment request
The session of words, foundation sends stream medium data to first terminal for second terminal.It is established by session initial protocol server
The session of first terminal and second terminal reduces and is participated in session establishment process without the participation of multimedia server
Equipment reduces the complexity for establishing session connection, improves the efficiency for establishing session；Simultaneously because session initiation protocol service
Device only receives or forwards corresponding signaling, and this method also reduces the processing pressure of session initial protocol server, reduces
The unnecessary wasting of resources.
Fig. 4 is the flow diagram of a data transmission method provided in an embodiment of the present invention, as shown in Figure 4:
S401, first terminal send conversation end request to session initial protocol server.
Wherein, session establishment request is requested for session initial protocol server according to conversation end, and first terminal is terminated
Session between second terminal.
In a kind of possible embodiment, when user do not need to know the audio that first terminal is played or shown and
When video, user can operate in first terminal, such as send the closing of stream medium data to first terminal or terminate behaviour
Make, first terminal can send conversation end to session initial protocol server in response to the closing of user or end operation and ask
It asks, to trigger the conversation end between first terminal and second terminal.
S402, session initial protocol server receive the conversation end request that first terminal is sent.
Wherein, conversation end request is for requesting the transmission of end stream medium data.
S403, session initial protocol server send conversation end request to second terminal, so that second terminal is according to meeting
Words ending request stops sending stream medium data to server；
S404, second terminal receive the conversation end request that session initial protocol server is sent.
Wherein, conversation end request is the request that the received first terminal of session initial protocol server is sent；
It should be noted that second terminal can continue to acquire Streaming Media number after second terminal receives conversation end request
According to, but stream medium data is not sent to first terminal, naturally it is also possible to it is second terminal stopping acquisition stream medium data, while not
Stream medium data is sent to first terminal, the embodiment of the present invention is to this without concrete restriction.
S405, second terminal, which send conversation end to session initial protocol server, requests corresponding response message, so that
Session initial protocol server sends conversation end to first terminal and requests corresponding response message.
Wherein, conversation end requests corresponding response message to be used to indicate conversation end.
S406, session initial protocol server receive the conversation end that second terminal is sent and request corresponding response message.
In embodiments of the present invention, the conversation end request that session initial protocol server is sent is received in second terminal
Afterwards, second terminal can send conversation end to session initial protocol server and request corresponding response message, and conversation end is asked
Ask corresponding response message for indicating that second terminal has received conversation end request, session initial protocol server can receive
The conversation end that second terminal is sent requests corresponding response message.
S407, session initial protocol server, which send conversation end to first terminal, requests corresponding response message.
Wherein, conversation end requests corresponding response message to be used to indicate conversation end.
S408, first terminal receive the conversation end that session initial protocol server is sent and request corresponding response message.
Wherein, it is the second terminal hair that session initial protocol server receives that conversation end, which requests corresponding response message,
The information sent, conversation end request corresponding response message to be used to indicate conversation end.
It should be noted that session initial protocol server can send the second confirmation message to first terminal, first eventually
End can receive the second confirmation message, then illustrates that first terminal can be confirmed that conversation end request has been received in second terminal,
Then conversation end between first terminal and second terminal, first terminal stop showing or playing audio and video.
In conclusion the embodiment of the present invention provides a kind of data transmission method, can be connect by session initial protocol server
The session establishment request that first terminal is sent is received, the meeting between first terminal and second terminal is established according to session establishment request
The session of words, foundation sends stream medium data to first terminal for second terminal.It is established by session initial protocol server
The session of first terminal and second terminal reduces and is participated in session establishment process without the participation of multimedia server
Equipment reduces the complexity for establishing session connection, improves the efficiency for establishing session；Simultaneously because session initiation protocol service
Device only receives or forwards corresponding signaling, and this method also reduces the processing pressure of session initial protocol server, reduces
The unnecessary wasting of resources.
Fig. 5 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention, as shown in figure 5, data are transmitted
Device includes:
First receiving module 501, for receiving the session establishment request of first terminal transmission；
Module 502 is established, for being requested according to session establishment, the session between first terminal and second terminal is established, builds
Vertical session sends stream medium data to first terminal for second terminal.
Further, module 502 is established, is specifically used for sending session establishment request to second terminal, so that second is whole
End is established to be included the session between first terminal, session establishment request packet: the matchmaker of conversation description grade information and first terminal support
Body information；The response message sent after session of the second terminal between foundation and first terminal is received, response message includes:
The media information that conversation description grade information and second terminal are supported；Response message is sent to first terminal；Receive first terminal hair
The confirmation message sent, and confirmation message is sent to second terminal, confirmation message is used to indicate session establishment completion.
Further, media information includes the description of at least one media-level, and media-level description includes following a plurality of types of
Parameter: medium type, media transmission protocol, media formats and media transfer port.
Further, as shown in fig. 6, device further include:
Second receiving module 503, for receiving the conversation end request of first terminal transmission；
First sending module 504, for sending conversation end request to second terminal, so that second terminal is according to session knot
Beam request stops sending stream medium data to server.
Third receiving module 505, the conversation end for receiving second terminal transmission request corresponding response message；
Second sending module 506 requests corresponding response message, conversation end for sending conversation end to first terminal
Corresponding response message is requested to be used to indicate conversation end.
Fig. 7 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention, as shown in fig. 7, data are transmitted
Device includes:
First sending module 601, for sending session establishment request, session establishment request to session initial protocol server
It is requested for session initial protocol server according to session establishment, establishes the session between first terminal and second terminal；
First receiving module 602, the stream medium data sent after the completion of session establishment for receiving second terminal.
Further, as shown in figure 8, device further include:
Second receiving module 603, for receiving the response message of session initial protocol server transmission, response message is meeting
The information that the second terminal that words initial protocol server receives is sent, response message includes: conversation description grade information and second
The media information that terminal is supported；
Second sending module 604, for sending confirmation message to session initial protocol server, so that session initiation protocol
Server sends confirmation message to second terminal, and confirmation message is used to indicate session establishment completion.
Further, as shown in figure 9, device further include:
Third sending module 605, for sending conversation end request, session establishment request to session initial protocol server
It is requested for session initial protocol server according to conversation end, terminates the session between first terminal and second terminal；
Third receiving module 606, the conversation end for receiving session initial protocol server transmission request corresponding sound
Information is answered, it is the letter that the second terminal that session initial protocol server receives is sent that conversation end, which requests corresponding response message,
Breath, conversation end request corresponding response message to be used to indicate conversation end.
Figure 10 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention, and as shown in Figure 10, data pass
Defeated device includes:
First receiving module 701, for receiving the session establishment request of session initial protocol server transmission, session establishment
Request is the request that the first terminal that session initial protocol server receives is sent, and session establishment request is assisted for conversation initial
View server is requested according to session establishment, establishes the session between first terminal and second terminal；
First sending module 702, for sending Streaming Media number to first terminal by session after session establishment completion
According to.
Further, as shown in figure 11, device further include:
Second sending module 703, for sending response message to session initial protocol server, response message includes: meeting
Talk about the media information that descriptive level information and second terminal are supported；
Second receiving module 704, for receiving the confirmation message of session initial protocol server transmission, confirmation message is meeting
The information that the first terminal that words initial protocol server receives is sent, confirmation message are used to indicate session establishment completion.
Further, as shown in figure 12, device further include:
Third receiving module 705, for receiving the conversation end request of session initial protocol server transmission, conversation end
Request is the request that the received first terminal of session initial protocol server is sent；
Third sending module 706 requests corresponding response letter for sending conversation end to session initial protocol server
Breath, so that session initial protocol server, which sends conversation end to first terminal, requests corresponding response message, conversation end is asked
Corresponding response message is asked to be used to indicate conversation end.
The method that above-mentioned apparatus is used to execute previous embodiment offer, it is similar that the realization principle and technical effect are similar, herein not
It repeats again.
The above module can be arranged to implement one or more integrated circuits of above method, such as: one
Or multiple specific integrated circuits (Application Specific Integrated Circuit, abbreviation ASIC), or, one
Or multi-microprocessor (digital singnal processor, abbreviation DSP), or, one or more field programmable gate
Array (Field Programmable Gate Array, abbreviation FPGA) etc..For another example, when some above module passes through processing elements
When the form of part scheduler program code is realized, which can be general processor, such as central processing unit (Central
Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules can integrate
Together, it is realized in the form of system on chip (system-on-a-chip, abbreviation SOC).
Figure 13 is the structural schematic diagram of a data transmission device provided in an embodiment of the present invention, which can integrate in end
The chip of end equipment or terminal device, the terminal can be the calculating equipment for having data processing function.
As shown in figure 13, which includes: processor 801, memory 802.
Memory 802 is for storing program, the program that processor 801 calls memory 802 to store, to execute the above method
Embodiment.Specific implementation is similar with technical effect, and which is not described herein again.
Optionally, the present invention also provides a kind of program product, such as computer readable storage medium, including program, the journeys
Sequence is when being executed by processor for executing above method embodiment.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or logical of device or unit
Letter connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) or processor (English: processor) execute this hair
The part steps of bright each embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(English: Read-Only Memory, abbreviation: ROM), random access memory (English: Random Access Memory, letter
Claim: RAM), the various media that can store program code such as magnetic or disk.
Claims (20)
1. a kind of data transmission method, which is characterized in that be applied to session initial protocol server, comprising:
Receive the session establishment request that first terminal is sent；
It is requested according to the session establishment, establishes the session between the first terminal and second terminal, the session of foundation
Stream medium data is sent to the first terminal for the second terminal.
2. the method as described in claim 1, which is characterized in that it is described to be requested according to the session establishment, establish described first
Session between terminal and second terminal, comprising:
Send session establishment request to the second terminal so that the second terminal establish with the first terminal it
Between session, the session establishment request packet includes: the media information that conversation description grade information and the first terminal are supported；
Receive the response message that the second terminal is sent, the response message includes: the conversation description grade information and described
The media information that second terminal is supported；
The response message is sent to the first terminal；
The confirmation message that the first terminal is sent is received, and sends the confirmation message, the confirmation to the second terminal
Information is used to indicate the session establishment and completes.
3. method according to claim 2, which is characterized in that the media information includes the description of at least one media-level, institute
Stating media-level description includes following a plurality of types of parameters: medium type, media transmission protocol, media formats and media transmission end
Mouthful.
4. the method as described in claim 1, which is characterized in that the method also includes:
Receive the conversation end request that the first terminal is sent；
The conversation end request is sent to the second terminal, so that the second terminal is stopped according to conversation end request
Only the stream medium data is sent to the server；
It receives the conversation end that the second terminal is sent and requests corresponding response message；
The conversation end is sent to the first terminal and requests corresponding response message, and the conversation end requests corresponding sound
Message is answered to be used to indicate the conversation end.
5. a kind of data transmission method, which is characterized in that be applied to first terminal, comprising:
Session establishment request is sent to session initial protocol server, the session establishment request is used for the session initiation protocol
Server is requested according to the session establishment, establishes the session between the first terminal and second terminal；
Receive the stream medium data that the second terminal is sent after the completion of the session establishment.
6. according to the method described in claim 5, it is characterized in that, being built described to session initial protocol server transmission session
After vertical request, the method also includes:
The response message that the session initial protocol server is sent is received, the response message is session initiation protocol clothes
The information that the second terminal that business device receives is sent, the response message includes: conversation description grade information and described second
The media information that terminal is supported；
Confirmation message is sent to the session initial protocol server, so that the session initial protocol server is to described second
Terminal sends the confirmation message, and the confirmation message is used to indicate the session establishment and completes.
7. according to the method described in claim 5, it is characterized in that, receiving the second terminal in the session establishment described
After the stream medium data sent after the completion, the method also includes:
Conversation end request is sent to the session initial protocol server, the session establishment request is used for the conversation initial
Protocol server is requested according to the conversation end, terminates the session between the first terminal and the second terminal；
It receives the conversation end that the session initial protocol server is sent and requests corresponding response message, the session knot
It is the information that the second terminal that the session initial protocol server receives is sent, institute that beam, which requests corresponding response message,
Stating conversation end requests corresponding response message to be used to indicate the conversation end.
8. a kind of data transmission method, which is characterized in that be applied to second terminal, comprising:
The session establishment request that session initial protocol server is sent is received, the session establishment request is that the conversation initial is assisted
The request that the first terminal that view server receives is sent, the session establishment request are used for the session initial protocol server
It is requested according to the session establishment, establishes the session between the first terminal and the second terminal；
After session establishment completion, stream medium data is sent to the first terminal by the session.
9. according to the method described in claim 8, it is characterized in that, the meeting sent in the reception session initial protocol server
Words are established after request, the method also includes:
Response message is sent to the session initial protocol server, the response message includes: conversation description grade information and institute
State the media information of second terminal support；
The confirmation message that the session initial protocol server is sent is received, the confirmation message is session initiation protocol clothes
The information that the first terminal that business device receives is sent, the confirmation message are used to indicate the session establishment and complete.
10. according to the method described in claim 8, it is characterized in that, being sent out by the session to the first terminal described
After sending stream medium data, the method also includes:
The conversation end request that the session initial protocol server is sent is received, at the beginning of the conversation end request is the session
The request that the received first terminal of beginning protocol server is sent；
The conversation end is sent to the session initial protocol server and requests corresponding response message, so that at the beginning of the session
Beginning protocol server sends the conversation end to the first terminal and requests corresponding response message, the conversation end request
Corresponding response message is used to indicate the conversation end.
11. a kind of data transmission device, which is characterized in that be applied to session initial protocol server, comprising:
First receiving module, for receiving the session establishment request of first terminal transmission；
Module is established, for being requested according to the session establishment, the session between the first terminal and second terminal is established, builds
The vertical session sends stream medium data to the first terminal for the second terminal.
12. device as claimed in claim 11, which is characterized in that it is described to establish module, it is specifically used for the second terminal
The session establishment request is sent, so that the second terminal establishes the session between the first terminal, the session
Establishing request includes: conversation description grade information and the media information that the first terminal is supported；The second terminal is received to build
The response message sent after session between the vertical and described first terminal, the response message includes: the conversation description grade
The media information that information and the second terminal are supported；The response message is sent to the first terminal；Receive described first
The confirmation message that terminal is sent, and the confirmation message is sent to the second terminal, the confirmation message is used to indicate described
Session establishment is completed.
13. device as claimed in claim 12, which is characterized in that the media information includes the description of at least one media-level,
The media-level description includes following a plurality of types of parameters: medium type, media transmission protocol, media formats and media transmission
Port.
14. device as claimed in claim 11, which is characterized in that described device further include:
Second receiving module, the conversation end request sent for receiving the first terminal；
First sending module, for sending conversation end request to the second terminal so that the second terminal according to
The conversation end request stops sending the stream medium data to the server；
Third receiving module requests corresponding response message for receiving the conversation end that the second terminal is sent；
Second sending module requests corresponding response message, the meeting for sending the conversation end to the first terminal
The corresponding response message of words ending request is used to indicate the conversation end.
15. a kind of data transmission device, which is characterized in that be applied to first terminal, comprising:
First sending module, for sending session establishment request to session initial protocol server, the session establishment request is used
It is requested, is established between the first terminal and second terminal according to the session establishment in the session initial protocol server
Session；
First receiving module, the stream medium data sent after the completion of the session establishment for receiving the second terminal.
16. device according to claim 15, which is characterized in that described device further include:
Second receiving module, the response message sent for receiving the session initial protocol server, the response message are
The information that the second terminal that the session initial protocol server receives is sent, the response message includes: that session is retouched
State the media information that grade information and the second terminal are supported；
Second sending module, for sending confirmation message to the session initial protocol server, so that the conversation initial is assisted
It discusses server and sends the confirmation message to the second terminal, the confirmation message is used to indicate the session establishment and completes.
17. device according to claim 15, which is characterized in that described device further include:
Third sending module, for sending conversation end request to the session initial protocol server, the session establishment is asked
It asks and is requested for the session initial protocol server according to the conversation end, terminate the first terminal and described second eventually
Session between end；
Third receiving module requests corresponding sound for receiving the conversation end that the session initial protocol server is sent
Information is answered, the conversation end requests described second that corresponding response message receives for the session initial protocol server
The information that terminal is sent, the conversation end request corresponding response message to be used to indicate the conversation end.
18. a kind of data transmission device, which is characterized in that be applied to second terminal, comprising:
First receiving module, for receiving the session establishment request of session initial protocol server transmission, the session establishment is asked
The request for asking the first terminal received for the session initial protocol server to send, the session establishment request is for described
Session initial protocol server is requested according to the session establishment, establishes the meeting between the first terminal and the second terminal
Words；
First sending module, for being sent and being flowed to the first terminal by the session after session establishment completion
Media data.
19. device according to claim 18, which is characterized in that described device further include:
Second sending module, for sending response message to the session initial protocol server, the response message includes: meeting
Talk about the media information that descriptive level information and the second terminal are supported；
Second receiving module, the confirmation message sent for receiving the session initial protocol server, the confirmation message are
The information that the first terminal that the session initial protocol server receives is sent, the confirmation message are used to indicate described
Session establishment is completed.
20. device according to claim 18, which is characterized in that described device further include:
Third receiving module, the conversation end request sent for receiving the session initial protocol server, the session knot
Beam request is the request that the received first terminal of the session initial protocol server is sent；
Third sending module requests corresponding response letter for sending the conversation end to the session initial protocol server
Breath, so that the session initial protocol server, which sends the conversation end to the first terminal, requests corresponding response letter
Breath, the conversation end request corresponding response message to be used to indicate the conversation end.
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