CN103561281B - A kind of shared method and device of multi-medium data - Google Patents
A kind of shared method and device of multi-medium data Download PDFInfo
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- CN103561281B CN103561281B CN201310512446.8A CN201310512446A CN103561281B CN 103561281 B CN103561281 B CN 103561281B CN 201310512446 A CN201310512446 A CN 201310512446A CN 103561281 B CN103561281 B CN 103561281B
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Abstract
The present invention is suitable for communication technical field there is provided the method and device that a kind of multi-medium data is shared, and terminal has the wifi module for supporting direct-connected agreement, and method includes：Send a probe request message；Detection is received to reply message and connection request message；Detection according to receiving is replied message decides whether that sending a connection to second terminal replies message with connection request message；When one connection of transmission is replied message, then principal and subordinate link is set up with second terminal, operational capacity negotiation is carried out, peer to peer session connection is set up, to carry out multi-medium data transmission.Present invention utilizes the wifi module for supporting direct-connected agreement, by expanding the message such as probe request message in P2P expanding packets, principal and subordinate link is set up with second terminal, carry out operational capacity negotiation, peer to peer session connection is set up, to carry out multi-medium data transmission, is supported without router, without too many cost, you can realize that the transmission of multimedia file is shared.
Description
Technical field
The invention belongs to communication technical field, more particularly to a kind of shared method and device of multi-medium data.
Background technology
With the prevalence of smart mobile phone, intelligent television and intelligent watch, file and multimedia file are shared and have become
Gesture, in the prior art the shared of multi-medium data must be supported by router, it is impossible to be directly realized by multimedia and share, with public affairs
Exemplified by the number of opening is CN103259861A patent, a kind of method and system recorded and watch Internet video are which disclose,
The network video file provided by network video server, LAN side network terminal profit are downloaded and preserved to the patent utilization router
With the file viewing in router storage and foradownloaded video, then calculated for network terminal user viewing using router is idle
Resource carries out Internet video recording, is not take up the computing resource of the network terminal, the network terminal is freed；Router can simultaneously
To download Internet video program in idle, time resource is taken full advantage of；Furthermore it is possible to share mode using various video, just
Video file is obtained in the network terminal, can be shared to multiple terminals.
It can be seen that, terminal can only realize the shared of multi-medium data by router in the prior art, can not between terminal
It is directly realized by the shared of multi-medium data.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of multi-medium data shared method, it is intended to solve in the prior art
Terminal can only realize the shared of multi-medium data by router in the prior art, and multimedia can not be directly realized by between terminal
Data it is shared the problem of.
The embodiment of the present invention is achieved in that a kind of shared method of multi-medium data, and methods described is applied to terminal,
The terminal has the wifi module for supporting direct-connected agreement, and methods described includes：
A probe request message is sent, the probe request message contains the facility information and first of first terminal eventually
The service type information at end；
Receive the detection that second terminal sends to reply message and connection request message, the detection, which is replied message, contains the
The facility information of two terminals and the service type information of second terminal；
Replied message according to received detection and decide whether to send a company to second terminal with connection request message
Connect and reply message；
When being replied message to one connection of second terminal transmission, then principal and subordinate link is set up with second terminal, operated
Capability negotiation, sets up peer to peer session connection, to carry out multi-medium data transmission.
The embodiment of the present invention also provides a kind of multi-medium data shared device, and described device is applied to terminal, the end
End includes with the wifi module for supporting direct-connected agreement, described device：
Transmitting element, for sending a probe request message, the probe request message contains setting for first terminal
The service type information of standby information and first terminal；
Receiving unit, the detection for receiving second terminal transmission is replied message and connection request message, and the detection is returned
Multiple message contains the facility information of second terminal and the service type information of second terminal；
Authentication unit, decides whether to second eventually for being replied message according to received detection with connection request message
End sends a connection and replied message；
Connection unit, for when certification by when, to second terminal send a connection reply message, built with second terminal
Vertical principal and subordinate link, then carries out operational capacity negotiation, peer to peer session connection is set up, to carry out multi-medium data transmission.
Compared with prior art, beneficial effect is the embodiment of the present invention：It make use of terminal to have and support direct-connected agreement
Wifi module, by expanding the message such as probe request message in the P2P expanding packets of wifi module, principal and subordinate is set up with second terminal
Connection, carries out operational capacity negotiation, peer to peer session connection is set up, to carry out multi-medium data transmission, without router
Support, without too many cost, you can realize that the transmission of multimedia file is shared.
Brief description of the drawings
Fig. 1 is the flow chart of the shared method of terminal room multi-medium data provided in an embodiment of the present invention；
Fig. 2 is Fig. 1 sub-process figure；
Fig. 3 is the module frame chart of the shared device of terminal room multi-medium data provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The realization of the present invention is described in detail below in conjunction with specific embodiment：
Referring to Fig. 1, the embodiments of the invention provide a kind of method that multi-medium data is shared, methods described is applied to eventually
End, the terminal has the wifi module for supporting direct-connected agreement, and described wifi module needs to support 802.11n agreements,
Support WIFI P2P agreements（That is WIFI direct-connecting technologies）.
Methods described includes：
S101：First terminal sends a probe request message, and the probe request message contains setting for first terminal
The service type information of standby information and first terminal, probe requests thereby, which is sent, to be shared with first terminal progress Streaming Media
Probe requests thereby；
In an embodiment of the present invention, the wifi module of the direct-connected agreement of support of first terminal can be directly utilized, in its P2P
Expansion relevant information is carried out in expanding packet.The probe request message may also include the double from machine information of first terminal, for illustrating
First terminal, which has, to be supported double slaves, the shared ability of three machine datas can be achieved；The slave connection extension side of first terminal
Method information, for describing the other modes that the slave of first terminal is connected.
In embodiments of the present invention, it is further comprising the steps of before step S101：First terminal sends a broadcast message,
The broadcast message contains the facility information of first terminal and the service type information of first terminal.It is, of course, also possible to including
One terminal it is double from machine information.Broadcast message is the packet being periodically sent to, and major function is told in LAN, and master sets
The presence of standby first terminal and apparatus characteristic information.
S102：The detection for receiving second terminal transmission is replied message and connection request message, and the detection replies message bag
The facility information of second terminal and the service type information of second terminal are contained；
In embodiments of the present invention, the detection, which is replied message, may also include the double from machine information, second terminal of second terminal
Slave connection extended method information, slave session information, the mac address information of second terminal.
S103：Replied message according to received detection and decide whether to send one to second terminal with connection request message
Individual connection is replied message；
In embodiments of the present invention, first terminal can be replied message according to the detection received determines with connection request message
Whether send a connection to second terminal to reply message, so as to realize safety certification.
The connection request message includes the facility information of second terminal, the service type information of second terminal.It can also wrap
Include the double from machine information of second terminal.The service that message package has included the facility information of first terminal, first terminal is replied in the connection
Type information, the double slaves from machine information and first terminal that can also include first terminal connect extended method information.
S104:When being replied message to one connection of second terminal transmission, then principal and subordinate link is set up with second terminal, carried out
Operational capacity is consulted, and peer to peer session connection is set up, to carry out multi-medium data transmission.
In embodiments of the present invention, first terminal is based on the control of RTSP protocol realizations with second terminal and operational capacity is assisted
Business.
In an embodiment of the present invention, the step of operational capacity is consulted includes：
Transport-type and code capacity are exchanged with second terminal；For example transmit file type, form, frame per second, size etc..
Set up the step of peer to peer session is connected referring to Fig. 2, described and include：
Step S201：An encoding and decoding message is sent, the encoding and decoding message includes the streaming media files of first terminal
Coding/decoding capability information；
Step S202：Receive second terminal according to the encoding and decoding message set second terminal coding/decoding capability with it is described
The encoding and decoding that first terminal is returned after being consistent are replied message；
Step S203：The session establishment request message that second terminal is sent is received, a session establishment is sent and replies message,
Confirm session establishment；
Step S204：The broadcasting of reception second terminal transmission, shared Streaming Media request message, send one and play, share
Streaming Media is replied message；
Step S205：Start playing function, transmit files in stream media.
In one embodiment of the invention, methods described also includes：
One for stopping, closing streaming media request message or receiving second terminal transmission is sent to stop, closing
Streaming media request message；
Stop, closing the transmission of files in stream media.Serviced each other so as to stop slave, close, carry out dormancy.
In one embodiment of the invention, the step of transmission files in stream media includes：
H.264, files in stream media is compressed, PES bags are split into, then PES bags are split into TS streams；
According to Streaming Media control interaction signalling TS streams.
In concrete application, can be used hardware-compressed unit H.264 files in stream media is compressed, hardware-compressed effect compared with
It is good with Software Compression effect.
In one embodiment of the invention, also include before the step of transmission files in stream media：
First terminal uses synchronised clock with second terminal；By using synchronised clock, come ensure to send and receive when
Between stab identical.
The step of transmission files in stream media, includes：The broadcasting clock of each frame is obtained, the clock information of acquisition is filled out
In the field for being charged to the voice data of files in stream media and video data, so that second terminal is sentenced when receiving each frame data
Whether disconnected current video time information is consistent with audio time, to match voice data according to the video data time.
Second terminal can be synthesized according to timestamp information, realize asynchronous transmission, but the mechanism of synchronized compound,
It ensure that Streaming Media is maintained unanimously on the minimum unit of transmission, so that whole files in stream media is also maintained unanimously.And
And included the synchronised clock information of audio ＆ video due to sharing the stream medium data of transmission, in corresponding play-back application
Under support, the media shared can be played in real time.
In embodiments of the present invention, equipment workable for first terminal is mouse, keyboard, camera, microphone etc., these
Equipment output is all small-scale data.These equipment can be used in second terminal, and second terminal has a set of equipment management
Agreement, second terminal is obtained from first terminal after the small-scale data of these equipment, according to device management protocol, you can as local
Physical device equally uses these equipment of first terminal.
Referring to Fig. 3, the embodiment of the present invention additionally provides a kind of shared device of multi-medium data, described device is applied to
Terminal, the terminal has the wifi module for supporting direct-connected agreement, and described device includes：
Transmitting element 301, for sending a probe request message, the probe request message contains first terminal
The service type information of facility information and first terminal；
Receiving unit 302, the detection for receiving second terminal transmission is replied message and connection request message, the detection
Reply message the service type information of the facility information for containing second terminal and second terminal；
Authentication unit 303, decides whether to for being replied message according to received detection with connection request message
Two terminals send a connection and replied message；
Connection unit 304, for when certification by when, to second terminal send a connection reply message, with second end
Principal and subordinate link is set up at end, then carries out operational capacity negotiation, peer to peer session connection is set up, to carry out multi-medium data transmission.
In an embodiment of the present invention, the connection unit includes：Operational capacity negotiation module, for being handed over second terminal
Change transport-type and code capacity；
The transmitting element, is additionally operable to send an encoding and decoding message, the encoding and decoding message includes pair of first terminal
The coding/decoding capability information of files in stream media；
The receiving unit, is additionally operable to receive the encoding and decoding that second terminal sets second terminal according to the encoding and decoding message
The encoding and decoding that ability is returned after being consistent with the first terminal are replied message；The session establishment for receiving second terminal transmission please
Seek message；
The transmitting element, is additionally operable to after receiving unit receives session establishment request message send a session establishment
Reply message, confirm session establishment；
The receiving unit, is additionally operable to receive broadcasting, the shared Streaming Media request message that second terminal is sent；
The transmitting element, is additionally operable to send after receiving unit receives the broadcasting, shared Streaming Media request message
One broadcasting, shared Streaming Media are replied message；
Transmission unit, for starting playing function, transmits files in stream media.
In one embodiment of the invention, described device also includes：
Stopping, closing unit, for sending a stopping in transmitting element, closing streaming media request message or reception
Unit receives a stopping of second terminal transmission, closed after streaming media request message, stops, closing files in stream media
Transmission.
In one embodiment of the invention, the transmission unit includes：
Packetization module is compressed, for H.264 files in stream media to be compressed, PES bags are split into, then PES bags are split
Into TS streams；
Transport module, for controlling interaction signalling TS to flow according to Streaming Media.
In one embodiment of the invention, described device also includes：
Synchronization unit, for using synchronised clock with second terminal, broadcasting for each frame is obtained when transmitting files in stream media
Clock information is put, in the field that the clock information of acquisition is filled into the voice data of files in stream media and video data, for
Second terminal judges whether current video time information is consistent with audio time when receiving each frame data, is regarded with basis
Frequency data time matches voice data.The synchronised clock letter of audio ＆ video is included due to sharing the stream medium data of transmission
Breath, under the support of corresponding play-back application, the media shared can be played in real time.
Other same methods of detailed technology scheme in device, described in the above method, will not be repeated here.
The shared method and device of the media data of the present invention, make use of terminal to have the wifi moulds for supporting direct-connected agreement
Block, by expanding the message such as probe request message in the P2P expanding packets of wifi module, principal and subordinate link is set up with second terminal,
Carry out operational capacity negotiation, set up peer to peer session connection, between terminal and terminal in real time carry out media data transmission with
Share, supported without router, without too many cost, you can realize that the transmission of multimedia file is shared, and reduce
Media sharing it is cumbersome, and data transfer time delay, improve interactive experience.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of shared method of multi-medium data, it is characterised in that methods described is applied to terminal, the terminal, which has, to be supported
The wifi module of direct-connected agreement, methods described includes：
First terminal sends a probe request message, and the probe request message contains the facility information and the of first terminal
The service type information of one terminal；
The detection for receiving second terminal transmission is replied message and connection request message, and the detection, which is replied message, contains second eventually
The facility information at end and the service type information of second terminal；
Replied message according to received detection and decide whether that sending one to second terminal connects back to connection request message
Multiple message；
When being replied message to one connection of second terminal transmission, then principal and subordinate link is set up with second terminal, operational capacity is carried out
Consult, peer to peer session connection is set up, to carry out multi-medium data transmission；
Wherein, the probe request message is double from machine information also including first terminal, for illustrating that first terminal has support
The shared ability of double slaves, achievable three machine datas；The slave connection extended method information of first terminal, for describing the
The other modes of the slave connection of one terminal.
2. the method as described in claim 1, it is characterised in that the step of operational capacity is consulted includes：
Transport-type and code capacity are exchanged with second terminal；
It is described to set up the step of peer to peer session is connected and include：
An encoding and decoding message is sent, the encoding and decoding message includes the coding/decoding capability letter of the streaming media files of first terminal
Breath；
Receive second terminal sets the coding/decoding capability of second terminal and the first terminal to keep according to the encoding and decoding message
The encoding and decoding returned after consistent are replied message；
The session establishment request message that second terminal is sent is received, a session establishment is sent and replies message, confirm session establishment；
Broadcasting, shared Streaming Media request message that second terminal is sent are received, a broadcasting, shared Streaming Media is sent and replys and disappear
Breath；
Start playing function, transmit files in stream media.
3. method as claimed in claim 2, it is characterised in that methods described also includes：
One for stopping, closing streaming media request message or receiving second terminal transmission is sent to stop, closing stream matchmaker
Body transfer request message；
Stop, closing the transmission of files in stream media.
4. method as claimed in claim 2 or claim 3, it is characterised in that include the step of the transmission files in stream media：
H.264, files in stream media is compressed, PES bags are split into, then PES bags are split into TS streams；
According to Streaming Media control interaction signalling TS streams.
5. method as claimed in claim 2, it is characterised in that also include before the step of the transmission files in stream media：
First terminal uses synchronised clock with second terminal；
The step of transmission files in stream media, includes：The broadcasting clock information of each frame is obtained, the clock information of acquisition is filled out
In the field for being charged to the voice data of files in stream media and video data, so that second terminal is sentenced when receiving each frame data
Whether disconnected current video time information is consistent with audio time, to match voice data according to the video data time.
6. the shared device of a kind of multi-medium data, it is characterised in that described device is applied to terminal, the terminal, which has, to be supported
The wifi module of direct-connected agreement, described device includes：
Transmitting element, for sending a probe request message, the probe request message contains the equipment letter of first terminal
The service type information of breath and first terminal；
Receiving unit, the detection for receiving second terminal transmission is replied message and connection request message, and the detection, which is replied, to disappear
Breath contains the facility information of second terminal and the service type information of second terminal；
Authentication unit, decides whether to send out second terminal for being replied message according to received detection with connection request message
A connection is sent to reply message；
Connection unit, for when certification by when, to second terminal send a connection reply message, with second terminal set up master
From connection, operational capacity negotiation is then carried out, peer to peer session connection is set up, to carry out multi-medium data transmission；
Wherein, the probe request message is double from machine information also including first terminal, for illustrating that first terminal has support
The shared ability of double slaves, achievable three machine datas；The slave connection extended method information of first terminal, for describing the
The other modes of the slave connection of one terminal.
7. device as claimed in claim 6, it is characterised in that the connection unit includes：Operational capacity negotiation module, is used for
Transport-type and code capacity are exchanged with second terminal；
The transmitting element, is additionally operable to send an encoding and decoding message, the encoding and decoding message includes the convection current matchmaker of first terminal
The coding/decoding capability information of body file；
The receiving unit, is additionally operable to receive the coding/decoding capability that second terminal sets second terminal according to the encoding and decoding message
The encoding and decoding returned after being consistent with the first terminal are replied message；The session establishment request for receiving second terminal transmission disappears
Breath；
The transmitting element, is additionally operable to send a session establishment reply after receiving unit receives session establishment request message
Message, confirms session establishment；
The receiving unit, is additionally operable to receive broadcasting, the shared Streaming Media request message that second terminal is sent；
The transmitting element, is additionally operable to send one after receiving unit receives the broadcasting, shared Streaming Media request message
Play, shared Streaming Media is replied message；
Transmission unit, for starting playing function, transmits files in stream media.
8. device as claimed in claim 7, it is characterised in that described device also includes：
Stopping, closing unit, for sending a stopping in transmitting element, closing streaming media request message or receiving unit
Receive second terminal transmission one stops, closing after streaming media request message, stops, closing the biography of files in stream media
It is defeated.
9. device as claimed in claim 7 or 8, it is characterised in that the transmission unit includes：
Packetization module is compressed, for H.264 files in stream media to be compressed, PES bags are split into, then PES bags are split into TS
Stream；
Transport module, for controlling interaction signalling TS to flow according to Streaming Media.
10. device as claimed in claim 7, it is characterised in that described device also includes：
Synchronization unit, for using synchronised clock with second terminal, when obtaining the broadcasting of each frame when transmitting files in stream media
In clock information, the field that the clock information of acquisition is filled into the voice data of files in stream media and video data, for second
Terminal judges whether current video time information is consistent with audio time when receiving each frame data, with according to video counts
Voice data is matched according to the time.
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| CN105357590A (en) * | 2014-08-22 | 2016-02-24 | 中兴通讯股份有限公司 | Method and device for achieving terminal multimedia broadcast |
| US10057314B2 (en) * | 2015-04-17 | 2018-08-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic packager network based ABR media distribution and delivery |
| CN105657571B (en) * | 2015-12-25 | 2019-02-01 | 中山大学花都产业科技研究院 | A kind of method that transmission of video saves bandwidth in local area network |
| CN106603944B (en) * | 2016-12-13 | 2020-10-27 | 惠州Tcl移动通信有限公司 | Smart television control method and system |
| CN108112091A (en) * | 2017-12-18 | 2018-06-01 | 福建星网智慧科技股份有限公司 | A kind of method and system that real-time Transmission audio and video are realized by WIFI |
| CN109167827A (en) * | 2018-08-21 | 2019-01-08 | 奇酷互联网络科技（深圳）有限公司 | Method, computer equipment and the storage medium of mobile terminal synchronization application |
| CN110324413B (en) | 2019-06-25 | 2022-04-15 | 北京字节跳动网络技术有限公司 | Method, device and storage medium for special effect synchronization |
| CN111526319B (en) * | 2020-04-26 | 2022-08-12 | 上海依图网络科技有限公司 | Connection method and device of extended function device |
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