CN104754370B

CN104754370B - Multimedia data transmission method, device, client and the system of cross-terminal

Info

Publication number: CN104754370B
Application number: CN201310753777.0A
Authority: CN
Inventors: 刘杨
Original assignee: Guangzhou Cheetah Network Technology Co Ltd
Current assignee: Guangzhou Cheetah Network Technology Co Ltd
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2018-10-16
Anticipated expiration: 2033-12-31
Also published as: CN104754370A

Abstract

The present invention proposes a kind of multimedia data transmission method of cross-terminal, device, client and system.Wherein, it the described method comprises the following steps：Play Server end in first terminal receives the broadcasting that the client end of playing back in second terminal is sent and downloads request；Play Server end in first terminal, which obtains to play to download, asks requested multi-medium data；And the Play Server end in first terminal generates stream medium data according to multi-medium data and is sent to the client end of playing back in second terminal, so that the client end of playing back real-time playing multimedia data in second terminal.Method through the embodiment of the present invention effectively solves the transmission problem of multi-medium data between two terminals, and operating process simplifies, and transmission process is fast, can be to be watched in transmission.

Description

Multimedia data transmission method, device, client and the system of cross-terminal

Technical field

The present invention relates to field of communication technology more particularly to a kind of multimedia data transmission method of cross-terminal, device, visitors Family end and system.

Background technology

With growing, mobile terminal indispensable tool in having become for people's lives of technology, such as intelligent hand Machine, tablet computer, personal digital assistant, e-book etc., more and more netizens listen song using mobile terminal, watch movie, read Document etc..Wherein, the multi-medium data that mobile terminal provides a user（Such as film, TV play, animation, music, picture）It can It is directly downloaded, but is limited by mobile terminal performance itself or network is limited by online client, currently, mobile terminal obtains It is to pass through PC to take the main path of multi-medium data（Personal computer, personal computer）It is imported.Presently, there are The problem of be that cumbersome by PC import operations, utilization cost is too big, poor user experience.

Invention content

The present invention is directed at least solve one of above-mentioned technical problem.

For this purpose, first purpose of the present invention is to propose a kind of multimedia data transmission method of cross-terminal.This method The transmission problem of multi-medium data between personal computer and mobile terminal is effectively solved, operating process simplifies, and transmission process is fast, It can be to be watched in transmission.

Second object of the present invention is to propose a kind of multi-medium data transmitting device of cross-terminal.

Third object of the present invention is to propose a kind of client.

Fourth object of the present invention is to propose a kind of Multimedia Transmission System of cross-terminal.

To achieve the goals above, the multimedia data transmission method of the cross-terminal of first aspect present invention embodiment, packet Include following steps：Play Server end in first terminal receives the broadcasting download that the client end of playing back in second terminal is sent and asks It asks, wherein Play Server end and the broadcasting in the first terminal, which are downloaded, asks to state the broadcasting client in second terminal End is located at different terminals；Play Server end in the first terminal obtains the requested multi-medium data of institute；With And the Play Server end in the first terminal generates stream medium data according to the multi-medium data and is sent to described the Client end of playing back in two terminals, so that the client end of playing back in the second terminal plays the multi-medium data in real time.

The multimedia data transmission method of the cross-terminal of the embodiment of the present invention effectively solves personal computer and mobile terminal Between multi-medium data transmission problem, and can be realized by the operation of simple software, operating process simplifies, and with Streaming Media Data are transmitted, and transmission process is fast, and user can promote user experience, further, it is also possible to save to be watched in download transmission Cost.

To achieve the goals above, the multi-medium data transmitting device of the cross-terminal of second aspect of the present invention embodiment, packet It includes：Request receiving module, for receive the client end of playing back in second terminal transmission broadcasting download request, wherein it is described across Client end of playing back in the multi-medium data transmitting device and the second terminal of terminal is located at different terminals；Data obtain Modulus block downloads the requested multi-medium data of request for obtaining the broadcasting；And data transmission blocks, for according to institute The client end of playing back that multi-medium data generates stream medium data and is sent in the second terminal is stated, so that the second terminal In client end of playing back play the multi-medium data in real time.

The multi-medium data transmitting device of the cross-terminal of the embodiment of the present invention effectively solves personal computer and mobile terminal Between multi-medium data transmission problem, and can be realized by the operation of simple software, operating process simplifies, and with Streaming Media Data are transmitted, and transmission process is fast, and user can promote user experience, further, it is also possible to save to be watched in download transmission Cost.

To achieve the goals above, the client of third aspect present invention embodiment, including：Shell, screen, memory, Processor and circuit board；On the housing, the circuit board is placed in the space that the shell surrounds for the screen placement Portion, the processor and the memory are arranged on the circuit board；The memory is for storing executable program code； The processor is run and the executable program code by reading the executable program code stored in the memory Corresponding program, for：It receives the broadcasting that the client end of playing back in second terminal is sent and downloads request；It obtains under the broadcasting It carries and asks requested multi-medium data；And stream medium data is generated according to the multi-medium data and is sent to described second Client end of playing back in terminal, so that the client end of playing back in the second terminal plays the multi-medium data in real time.

The client of the embodiment of the present invention effectively solves the transmission of multi-medium data between personal computer and mobile terminal Problem, and can be realized by the operation of simple software, operating process simplifies, and is transmitted with stream medium data, is transmitted across Journey is fast, and user can promote user experience, further, it is also possible to cost-effective to be watched in download transmission.

To achieve the goals above, the Multimedia Transmission System of the cross-terminal of fourth aspect present invention embodiment, packet It includes：The client end of playing back in Play Server end and second terminal in first terminal, the broadcasting service in the first terminal Client end of playing back in device end and the second terminal is located at different terminals, wherein the broadcasting in the second terminal Client sends to play for the Play Server end into the first terminal and downloads request；Broadcasting in the first terminal Server end is put, downloads the requested multi-medium data of request for obtaining the broadcasting, and give birth to according to the multi-medium data At stream medium data and the client end of playing back that is sent in the second terminal, so that the client end of playing back in the second terminal The multi-medium data is played in real time.

The Multimedia Transmission System of the cross-terminal of the embodiment of the present invention effectively solves personal computer and mobile terminal Between multi-medium data transmission problem, and can be realized by the operation of simple software, operating process simplifies, and with Streaming Media Data are transmitted, and transmission process is fast, and user can promote user experience, further, it is also possible to save to be watched in download transmission Cost.

The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.

Description of the drawings

Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, wherein

Fig. 1 is the flow chart of the method for the multimedia data transmission method of cross-terminal according to an embodiment of the invention；

Fig. 2 is the flow chart of the multimedia data transmission method of cross-terminal in accordance with another embodiment of the present invention；

Fig. 3 is the flow chart according to the multimedia data transmission method of the cross-terminal of another embodiment of the invention；

Fig. 4 is the flow chart according to the multimedia data transmission method of the cross-terminal of further embodiment of the present invention；

Fig. 5 is the flow chart according to the multimedia data transmission method of the cross-terminal of another further embodiment of the invention；

Fig. 6 is the structure diagram of the multi-medium data transmitting device of cross-terminal according to an embodiment of the invention；

Fig. 7 is the structure diagram of the multi-medium data transmitting device of cross-terminal in accordance with another embodiment of the present invention；

Fig. 8 is the structure diagram according to the multi-medium data transmitting device of the cross-terminal of another embodiment of the invention；With And

Fig. 9 is the structure diagram of the Multimedia Transmission System of cross-terminal according to an embodiment of the invention.

Specific implementation mode

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.On the contrary, this The embodiment of invention includes all changes fallen within the scope of the spiritual and intension of attached claims, modification and is equal Object.

In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without It can be interpreted as indicating or implying relative importance.In the description of the present invention, it should be noted that unless otherwise specific regulation And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition Body meaning.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention Embodiment person of ordinary skill in the field understood.

Below with reference to the accompanying drawings the multimedia data transmission method, device, client of the cross-terminal of the embodiment of the present invention are described And system.

Currently, when multi-medium data being imported mobile terminal by PC, user uses data line connection PC and movement first Terminal, the client application for then opening PC is established and the connection of mobile terminal carries out multi-medium data transmission again later, This process is cumbersome, and utilization cost is too big, poor user experience.To solve the above-mentioned problems, the present invention proposes a kind of cross-terminal Multimedia data transmission method, device, client and system, the present invention will be described in detail with reference to the accompanying drawings of the specification across end Multimedia data transmission method, device, client and the system at end.

Fig. 1 is the flow chart of the method for the multimedia data transmission method of cross-terminal according to an embodiment of the invention. As shown in Figure 1, the multimedia data transmission method of cross-terminal includes the following steps.

S101, the Play Server end in first terminal receive the broadcasting that the client end of playing back in second terminal is sent and download Request.

In one embodiment of the invention, first terminal and second terminal include personal computer, mobile terminal（Example Such as, smart mobile phone, tablet computer, personal digital assistant, e-book etc.）, multimedia television or intelligent wearable equipment（For example, Smartwatch, intelligent glasses etc.）.For example, the Play Server end in first terminal is located in personal computer, in second terminal Client end of playing back be located in mobile terminal, Play Server end and client end of playing back may respectively be personal computer and it is mobile eventually The application program installed in end is passed by the connection between these application programs realization personal computer and mobile terminal, data The functions such as defeated.For another example, the Play Server end in first terminal may be additionally located in mobile terminal, realize mobile terminal and movement eventually The functions such as connection, data transmission between end.It should be appreciated that first terminal is typically and centralized host system（Such as network The mainframe computer of company）Connected " mute " user equipment, and include not only any of the above-described equipment, it can also be set including other It is standby.

Play Server end in first terminal receives the broadcasting download that the client end of playing back in second terminal is sent and asks Before asking, need to establish connection between the Play Server end in first terminal and the client end of playing back in second terminal to transmit Data, specifically, in one embodiment of the invention, the Play Server end in first terminal and the broadcasting in second terminal Client passes through universal plug and play UPnP（Universal Plug and Play）, network address translation NAT（NAT, Network Address Translation）、WiFi（Wireless Fidelity, Wireless Fidelity）、2G（2nd Generation, Generation Mobile Telecommunication System technology）、3G（3rd Generation, 3rd generation mobile communication technology）、4G（4th Generation, fourth generation mobile communication technology）, any one of bluetooth communication mode carry out the transmission of multi-medium data, In, UPnP is that various smart machines, wireless device are connected with the peer-to-peer network that the realizations such as personal computer spread all over the world Structure；NAT is the process for another IP address by the IP address conversion in IP data packet heads.It should be appreciated that communication mode Above-mentioned several ways can not be only limitted to, those skilled in the art is easy to a kind of new communication mode being suitable for this hair It is bright.

In addition, when establishing connection between the Play Server end in first terminal and the client end of playing back in second terminal, Can be realized by diversified forms such as Quick Response Code, password, automatically scannings, it should be understood that connection establish mode be also not necessarily limited to it is above-mentioned several A, those skilled in the art is easy to a kind of new way of realization being suitable for the present invention.

S102, the Play Server end in first terminal, which obtains to play to download, asks requested multi-medium data.

Wherein, the file of multi-medium data is larger, including video（Such as film, TV play, animation）, audio, picture, text Shelves etc..

S103, the Play Server end in first terminal generate stream medium data according to multi-medium data and are sent to second Client end of playing back in terminal, so that the client end of playing back real-time playing multimedia data in second terminal.

Specifically, stream medium data refers to the multi-medium data with steaming transfer, by special compress mode by multimedia Data are divided into compressed package one by one, after user waits until that entire multi-medium data is all downloaded like that not necessarily like non-stream broadcasting Content in capable of just seeing, but be transmitted multi-medium data as a stabilization, continuous stream by network, because It flows, the client end of playing back in second terminal can show multi-medium data before entire multi-medium data is transmitted completion.

It should be understood that it is server in LAN that the first terminal described in the embodiment of the present invention, which can look at, first eventually Play Server end in end can be the application program for realizing server capability, other enter second in the local web area Terminal is attached to first terminal, according to there is client end of playing back only in second terminal, you can accesses, downloads or play first Multi-medium data in terminal.

Fig. 2 is the flow chart of the multimedia data transmission method of cross-terminal in accordance with another embodiment of the present invention.It is flowing In the data transmission procedure of media data, when the stream medium data that the client end of playing back in second terminal receives reaches default big Hour, it can be to be downloaded when playing, specifically, as shown in Fig. 2, the multimedia data transmission method of cross-terminal includes following step Suddenly.

S201, the Play Server end in first terminal receive the broadcasting that the client end of playing back in second terminal is sent and download Request.

S202, the Play Server end in first terminal, which obtains to play to download, asks requested multi-medium data.

S203, the Play Server end in first terminal generate stream medium data according to multi-medium data and are sent to second Client end of playing back in terminal.

S204, when the stream medium data that the client end of playing back in second terminal receives reaches default size, second eventually Client end of playing back in end starts real-time playing multimedia data.

For example, default size is 1,000,000, when the stream medium data received reaches 1M, you can start real-time playing multimedia Data, wherein default size can specifically be determined according to the performance of the client end of playing back in second terminal, network-connectivity.

The multimedia data transmission method of the cross-terminal of the embodiment of the present invention, when the client end of playing back in second terminal receives To stream medium data reach default size when, the client end of playing back in second terminal starts real-time playing multimedia data, real It is existing to be downloaded when playing, promote user experience.

Fig. 3 is the flow chart according to the multimedia data transmission method of the cross-terminal of another embodiment of the invention. Share directory is arranged in Play Server end in one terminal, and the multi-medium data in the share directory can be transmitted to second terminal In client end of playing back in, specifically, as shown in figure 3, the multimedia data transmission method of cross-terminal includes the following steps.

Share directory is arranged in S301, the Play Server end in first terminal, and will be corresponding shared more in share directory Media data list is sent to the client end of playing back in second terminal.

Specifically, share directory is set in Play Server end of the user in first terminal, which mainly rises To effect be the folder path for allowing the client end of playing back in second terminal to access, the Play Server end in first terminal It is arranged after share directory, the client end of playing back that share directory can be sent in the second terminal established a connection, or Play Server end in client end of playing back and first terminal in person's second terminal is established after connection, and it is shared actively to read this Catalogue.

S302, the Play Server end in first terminal receive the client end of playing back in second terminal according to shared multimedia Request is downloaded in the broadcasting that data list is sent.

S303, the Play Server end in first terminal, which obtains to play to download, asks requested multi-medium data.

S304, the Play Server end in first terminal generate stream medium data according to multi-medium data and are sent to second Client end of playing back in terminal.

S305, when the stream medium data that the client end of playing back in second terminal receives reaches default size, second eventually Client end of playing back in end starts real-time playing multimedia data.

The multimedia data transmission method of the cross-terminal of the embodiment of the present invention, the Play Server end in first terminal are set The access path for the client end of playing back that share directory can limit in second terminal is set, the Play Server in first terminal is increased The safety at end.

In one embodiment of the invention, it includes requested multi-medium data title, the second end to play and download request The decoder type of client end of playing back in end, the client end of playing back in second terminal multi-medium data resolution ratio and The decoding capacity information of client end of playing back in two terminals.

Fig. 4 is the flow chart according to the multimedia data transmission method of the cross-terminal of further embodiment of the present invention.First Play Server end in terminal determines requested more matchmakers according to the decoding capacity information of the client end of playing back in second terminal Volume data, specifically, as shown in figure 4, the multimedia data transmission method of cross-terminal includes the following steps.

Share directory is arranged in S401, the Play Server end in first terminal, and will be corresponding shared more in share directory Media data list is sent to the client end of playing back in second terminal.

S402, the Play Server end in first terminal receive the client end of playing back in second terminal according to shared multimedia Request is downloaded in the broadcasting that data list is sent.

S403, Play Server end in first terminal is according to the decoding capacity information of the client end of playing back in second terminal It determines the decodable multimedia data type of client end of playing back in second terminal, and is asked according to multimedia data type acquisition The multi-medium data asked.

For example, if the performance of the client end of playing back such as mobile terminal in second terminal is relatively good, in first terminal Play Server end can determine that requested multi-medium data is high-definition format, if the client end of playing back in second terminal is such as The performance of mobile terminal is more general, it may be determined that requested multi-medium data is common format etc..

S404, the Play Server end in first terminal generate stream medium data according to multi-medium data and are sent to second Client end of playing back in terminal.

S405, when the stream medium data that the client end of playing back in second terminal receives reaches default size, second eventually Client end of playing back in end starts real-time playing multimedia data.

The multimedia data transmission method of the cross-terminal of the embodiment of the present invention, according to the client end of playing back in second terminal Decoding capacity information determines the decodable multimedia data type of the client end of playing back in second terminal, has specific aim.

The process of multi-medium data transmission is specifically described below.Fig. 5 is according to another further embodiment of the invention across end The flow chart of the multimedia data transmission method at end.Specifically, as shown in figure 5, the multimedia data transmission method packet of cross-terminal Include following steps.

Share directory is arranged in S501, the Play Server end in first terminal, and will be corresponding shared more in share directory Media data list is sent to the client end of playing back in second terminal.

S502, the Play Server end in first terminal receive the client end of playing back in second terminal according to shared multimedia Request is downloaded in the broadcasting that data list is sent.

S503, Play Server end in first terminal is according to the decoding capacity information of the client end of playing back in second terminal It determines the decodable multimedia data type of client end of playing back in second terminal, and is asked according to multimedia data type acquisition The multi-medium data asked.

S504, client end of playing back of the Play Server end into second terminal in first terminal send request response letter Breath.

S505, the Play Server end in first terminal receive the client end of playing back in second terminal according to request response letter The port information request that breath is sent, wherein request response message includes receiving port number.

The client end of playing back into second terminal is asked at S506, the Play Server end in first terminal according to port information Sending port respond request, to establish between the Play Server end in first terminal and the client end of playing back in second terminal Session, wherein port responses request includes sending port number.

S507, the client end of playing back that the Play Server end in first terminal receives in second terminal are asked according to port responses The playing request of transmission is sought, and stream matchmaker is sent by client end of playing back of the session of foundation into second terminal according to playing request Volume data.

S508, when the stream medium data that the client end of playing back in second terminal receives reaches default size, second eventually Client end of playing back in end starts real-time playing multimedia data.

The multimedia data transmission method of the cross-terminal of the embodiment of the present invention establishes the Play Server end in first terminal Session with the client end of playing back in second terminal is efficient with transmitting multimedia data.

In addition to the function of being downloaded described in any of the above-described embodiment when playing, the cross-terminal of the embodiment of the present invention it is more Media data transmission method, which can also provide, directly downloads function and online playing function.

Specifically, in one embodiment of the invention, further include：Play Server end in first terminal receives second The download request that client end of playing back in terminal is sent；And the Play Server end in first terminal obtains to download and be asked The multi-medium data asked, and multi-medium data is sent to the client end of playing back in second terminal.In the step, in first terminal Play Server end according to download request corresponding multi-medium data is directly sent to the client end of playing back in second terminal, It provides and directly downloads function.

In one embodiment of the invention, further include：Play Server end in first terminal receives in second terminal Client end of playing back send online playing request；Play Server end acquisition in first terminal plays requested more online Media data；And multi-medium data is cut into multiple segments by the Play Server end in first terminal, and it is sent to second eventually Client end of playing back in end, so that the client end of playing back in second terminal plays multi-medium data online according to multiple segments.It should In step, multi-medium data is cut into multiple segments by the Play Server end in first terminal, and multiple segment can be very little And for the data of broadcasting, the client end of playing back in second terminal can play online, these segments can be in the broadcasting in second terminal Client-cache, the client end of playing back in second terminal will be automatically deleted when exiting, that is, provide online playing function.

In order to realize that above-described embodiment, the present invention also propose a kind of multi-medium data transmitting device of cross-terminal.

Fig. 6 is the structure diagram of the multi-medium data transmitting device of cross-terminal according to an embodiment of the invention.Such as Fig. 6 Shown, the multi-medium data transmitting device of cross-terminal includes：Request receiving module 110, data acquisition module 120 and data are sent Module 130.

Specifically, request receiving module 110 is used to receive the broadcasting download that the client end of playing back in second terminal is sent and asks It asks.

In one embodiment of the invention, first terminal and second terminal include personal computer, mobile terminal（Example Such as, smart mobile phone, tablet computer, personal digital assistant, e-book etc.）, multimedia television or intelligent wearable equipment（For example, Smartwatch, intelligent glasses etc.）.For example, the multi-medium data transmitting device of cross-terminal is located in personal computer, second terminal In client end of playing back be located in mobile terminal, to realize the connection between personal computer and mobile terminal, data transmission etc. Function.For another example, the multi-medium data transmitting device of cross-terminal may be additionally located in mobile terminal, realize mobile terminal and mobile terminal Between the functions such as connection, data transmission.It should be appreciated that the device is typically and centralized host system（Such as network company Mainframe computer）Connected " mute " user equipment, and include not only any of the above-described equipment, can also include other equipment.

Before request is downloaded in the broadcasting that the client end of playing back during request receiving module 110 receives second terminal is sent, across Need to establish connection between client end of playing back in the multi-medium data transmitting device and second terminal of terminal with transmission data, In one embodiment of the present of invention, multi-medium data transmitting device and the client end of playing back in second terminal of cross-terminal pass through Any one of UPnP, NAT, WiFi, 2G, 3G, 4G, bluetooth communication mode carries out the transmission of multi-medium data, wherein UPnP is The structure that various smart machines, wireless device are connected with the peer-to-peer network that the realizations such as personal computer spread all over the world；NAT It is the process by the IP address conversion in IP data packet heads for another IP address.It should be appreciated that communication mode can not be limited only In above-mentioned several ways, those skilled in the art is easy to a kind of new communication mode being suitable for the present invention.

In addition, establishing connection between client end of playing back in the multi-medium data transmitting device and second terminal of cross-terminal When, it can be realized by diversified forms such as Quick Response Code, password, automatically scannings, it should be understood that connection is established mode and is also not necessarily limited to State it is several, those skilled in the art be easy to by a kind of new way of realization be suitable for the present invention.

Data acquisition module 120 asks requested multi-medium data for obtaining to play to download.Wherein, multi-medium data File it is larger, including video（Such as film, TV play, animation）, audio, picture, document etc..

Data transmission blocks 130 are used to generate stream medium data according to multi-medium data and are sent to broadcasting in second terminal Client is put, so that the client end of playing back real-time playing multimedia data in second terminal.More specifically, stream medium data refers to With the multi-medium data of steaming transfer, multi-medium data is divided into compressed package one by one by special compress mode, user need not Content in waiting until just to see after entire multi-medium data is all downloaded as playing non-stream, but by more matchmakers Volume data is transmitted as a stabilization, continuous stream by network, because of flowing, the client end of playing back energy in second terminal It is enough to show multi-medium data before entire multi-medium data is transmitted completion.

It should be understood that it is server in LAN that described device of the embodiment of the present invention, which can look at, broadcast wherein being equipped with Server end is put, which can be the application program for realizing server capability, other enter the local web area In second terminal be attached to first terminal, according to there is client end of playing back only in second terminal, you can access, download or Play the multi-medium data in the device.

Fig. 7 is the structure diagram of the multi-medium data transmitting device of cross-terminal in accordance with another embodiment of the present invention.Such as Shown in Fig. 7, the multi-medium data transmitting device of cross-terminal includes：Request receiving module 110, data acquisition module 120, data hair Send module 130 and share directory setup module 140.

Specifically, share directory setup module 140 is used to be arranged share directory, and will be corresponding shared more in share directory Media data list is sent to the client end of playing back in second terminal, so that the client end of playing back in second terminal is according to shared more Media data list, which sends to play, downloads request.

Wherein, share directory, the effect which primarily serves is arranged by share directory setup module 140 in user It is the folder path for allowing the client end of playing back in second terminal to access, share directory is arranged in share directory setup module 140 Later, share directory can be sent in the client end of playing back in the second terminal established a connection or second terminal Client end of playing back and first terminal in Play Server end establish connection after, actively read the share directory.

The multi-medium data transmitting device of the cross-terminal of the embodiment of the present invention, the Play Server end in first terminal are set The access path for the client end of playing back that share directory can limit in second terminal is set, the Play Server in first terminal is increased The safety at end.

In one embodiment of the invention, data acquisition module 120 is additionally operable to：According to the broadcasting client in second terminal The decoding capacity information at end determines the decodable multimedia data type of the client end of playing back in second terminal, and according to multimedia Data type obtains requested multi-medium data.For example, if the property of the client end of playing back such as mobile terminal in second terminal Can be relatively good, then the Play Server end in first terminal can determine that requested multi-medium data is high-definition format, if Client end of playing back in second terminal as the performance of mobile terminal relatively, it may be determined that requested multi-medium data is general Logical format etc..Increase specific aim as a result,.

Fig. 8 is the structure diagram according to the multi-medium data transmitting device of the cross-terminal of another embodiment of the invention.Such as Shown in Fig. 8, the multi-medium data transmitting device of cross-terminal includes：Request receiving module 110, data acquisition module 120, data hair Send module 130, share directory setup module 140, the first respond module 150, the first receiving module 160, the second respond module 170 With the second receiving module 180.

Specifically, the first respond module 150, which is used to obtain to play to download in data acquisition module, asks requested more matchmakers The rear client end of playing back into second terminal of volume data sends request response message.

First receiving module 160 is used to receive the end that the client end of playing back in second terminal is sent according to request response message Mouth information request, wherein request response message includes receiving port number.

Second respond module 170 is used to ask the client end of playing back sending port into second terminal to be rung according to port information It should ask, with the session connection between the client end of playing back in foundation and second terminal, wherein port responses request includes sending Port numbers.

Second receiving module 180 is used to receive the client end of playing back in second terminal and is broadcast according to what port responses request was sent Put request, and the broadcasting client by data transmission blocks 130 according to playing request by the session of foundation into second terminal End sends stream medium data.

In addition to the function of being downloaded described in any of the above-described embodiment when playing, the cross-terminal of the embodiment of the present invention it is more Media data transmission, which can also provide, directly downloads function and online playing function.

Specifically, in one embodiment of the invention, request receiving module 110 is additionally operable to receive broadcasting in second terminal The download request of client transmission is put, data acquisition module 120, which is additionally operable to obtain to download, asks requested multi-medium data, number The client end of playing back for being additionally operable to be sent to multi-medium data in second terminal according to sending module 130.It can be asked as a result, according to download The client end of playing back being directly sent to corresponding multi-medium data in second terminal is sought, that is, provides and directly downloads function.

In another embodiment of the present invention, request receiving module 110 is additionally operable to receive the broadcasting visitor in second terminal The online playing request that family end is sent, data acquisition module 120 is additionally operable to obtain plays requested multi-medium data online, number The broadcasting client that multi-medium data is cut into multiple segments, and is sent to successively in second terminal is additionally operable to according to sending module 130 End, so that the client end of playing back in second terminal plays multi-medium data online according to multiple segments.It as a result, can be by multimedia number According to being cut into multiple segments, multiple segment can be very little and the data for broadcasting, and the client end of playing back in second terminal can be Line plays, these segments can be cached in the client end of playing back in second terminal, will when the client end of playing back in second terminal exits It is automatically deleted, that is, online playing function is provided.

In order to realize that above-described embodiment, the present invention also propose a kind of client.

Client includes：Shell, screen, memory, processor and circuit board；Screen disposes on the shell, circuit board peace The space interior surrounded in shell is set, processor and memory setting are on circuit boards；Memory is for storing executable program Code；Processor runs journey corresponding with executable program code by reading the executable program code stored in memory Sequence, for：

S101 ' receives the broadcasting that the client end of playing back in second terminal is sent and downloads request.

In one embodiment of the invention, client and second terminal include personal computer, mobile terminal（For example, Smart mobile phone, tablet computer, personal digital assistant, e-book etc.）, multimedia television or intelligent wearable equipment（For example, intelligence Wrist-watch, intelligent glasses etc.）.For example, client is in personal computer, the client end of playing back in second terminal is located at mobile terminal In, to realize the functions such as the connection between personal computer and mobile terminal, data transmission.For another example, client may be additionally located at shifting In dynamic terminal, the functions such as connection, the data transmission between mobile terminal and mobile terminal are realized.It should be appreciated that terminal is typically With centralized host system（Such as the mainframe computer of network company）Connected " mute " user equipment, and include not only above-mentioned One equipment can also include other equipment.

Before request is downloaded in the broadcasting that the client end of playing back in receiving second terminal is sent, in client and second terminal Client end of playing back between need establish connection with transmission data, specifically, in one embodiment of the invention, client with Client end of playing back in second terminal passes through universal plug and play UPnP, network address translation NAT, WiFi, 2G, 3G, 4G, bluetooth Any one of communication mode carry out multi-medium data transmission, wherein UPnP is various smart machines, wireless device The structure connected with the peer-to-peer network that the realizations such as personal computer spread all over the world；NAT is to turn the IP address in IP data packet heads It is changed to the process of another IP address.It should be appreciated that communication mode can not be only limitted to above-mentioned several ways, the technology of this field Personnel are easy to a kind of new communication mode being suitable for the present invention.

It, can be by Quick Response Code, close in addition, when establishing connection between client end of playing back in client and second terminal The diversified forms such as code, automatically scanning are realized, it should be understood that connection establishes mode and is also not necessarily limited to above-mentioned several, the technology of this field Personnel are easy to a kind of new way of realization being suitable for the present invention.

S102 ' is obtained to play to download and is asked requested multi-medium data.

S103 ' generates stream medium data according to multi-medium data and is sent to the client end of playing back in second terminal, so that Client end of playing back real-time playing multimedia data in second terminal.

It should be understood that it is server in LAN that the client described in the embodiment of the present invention, which can look at, in client Play Server end can be realize server capability application program, other enter the local web area in second terminal First terminal is attached to, according to there is client end of playing back only in second terminal, you can access, download or client end of playing back in Multi-medium data.

Share directory is set in the client, and the multi-medium data in the share directory can be transmitted in second terminal In client end of playing back, in one embodiment of the invention, processor also particularly useful for：Share directory is set, and by shared mesh Corresponding shared multi-medium data list is sent to the client end of playing back in second terminal in record, so that the broadcasting in second terminal Client, which sends to play according to shared multi-medium data list, downloads request.Wherein, the effect that share directory primarily serves is fair Perhaps the folder path that the client end of playing back in second terminal accesses is arranged after share directory, can send share directory It is established to the client end of playing back in the second terminal established a connection or the client end of playing back in second terminal with client After connection, the share directory is actively read.Increase safety as a result,.

Requested multi-medium data is determined according to the decoding capacity information of the client end of playing back in second terminal, in this hair In bright one embodiment, processor also particularly useful for：Decoding capacity information according to the client end of playing back in second terminal is true Determine the decodable multimedia data type of client end of playing back in second terminal, and is asked according to multimedia data type acquisition Multi-medium data.For example, if the performance of the client end of playing back such as mobile terminal in second terminal is relatively good, processor can Using the requested multi-medium data of determination as high-definition format, if the performance of the client end of playing back such as mobile terminal in second terminal Compare general, it may be determined that requested multi-medium data is common format etc..There is specific aim as a result,.

In specific transmission process, processor also particularly useful for：Requested multimedia is asked obtaining to play to download The rear client end of playing back into second terminal of data sends request response message；Receive the client end of playing back root in second terminal The port information request sent according to request response message, wherein request response message includes receiving port number；According to port information Ask the client end of playing back sending port respond request into second terminal, with establish and second terminal in client end of playing back it Between session connection, wherein port responses request include sending port number；And the client end of playing back root in reception second terminal According to the playing request that port responses request is sent, and the broadcasting visitor according to playing request by the session of foundation into second terminal Family end sends stream medium data.

In addition to the function of being downloaded when playing described in any of the above-described embodiment, the client of the embodiment of the present invention may be used also Function and online playing function are directly downloaded to provide.

Specifically, in one embodiment of the invention, processor is additionally operable to：Receive the client end of playing back in second terminal The download of transmission is asked, and is obtained download and asked requested multi-medium data, and multi-medium data is sent to second eventually Client end of playing back in end.In the step, corresponding multi-medium data is directly sent to by Play Server according to request is downloaded Client end of playing back in second terminal provides and directly downloads function.

In one embodiment of the invention, processor is additionally operable to：Receive what the client end of playing back in second terminal was sent Online playing request, and obtain and play requested multi-medium data online, and multi-medium data is cut into multiple segments, and The client end of playing back being sent to successively in second terminal, so that the client end of playing back in second terminal is broadcast online according to multiple segments Put multi-medium data.In the step, multi-medium data is cut into multiple segments by processor, and multiple segment can be very little and confession The data of broadcasting, the client end of playing back in second terminal can play online, these segments can be in the broadcasting client in second terminal End caches, and the client end of playing back in second terminal will be automatically deleted when exiting, that is, provide online playing function.

In order to realize that above-described embodiment, the present invention also propose a kind of Multimedia Transmission System of cross-terminal.

Fig. 9 is the structure diagram of the Multimedia Transmission System of cross-terminal according to an embodiment of the invention.Such as Fig. 9 Shown, the Multimedia Transmission System of cross-terminal includes：In Play Server end 100 and second terminal in first terminal Client end of playing back 200.

In one embodiment of the invention, first terminal and second terminal include personal computer, mobile terminal（Example Such as, smart mobile phone, tablet computer, personal digital assistant, e-book etc.）, multimedia television or intelligent wearable equipment（For example, Smartwatch, intelligent glasses etc.）.For example, the Play Server end 100 in first terminal is located in personal computer, second eventually Client end of playing back 200 in end is located in mobile terminal, connection, data transmission between realization personal computer and mobile terminal Etc. functions.For another example, Play Server end 100 may be additionally located in mobile terminal, realize the company between mobile terminal and mobile terminal It connects, the functions such as data transmission.It should be appreciated that first terminal is typically and centralized host system（Such as the large size of network company Computer）Connected " mute " user equipment, and include not only any of the above-described equipment, can also include other equipment.

In one embodiment of the invention, the Play Server end 100 in first terminal and the broadcasting in second terminal Client 200 is logical by any one of universal plug and play UPnP, network address translation NAT, WiFi, 2G, 3G, 4G, bluetooth Letter mode carries out the transmission of multi-medium data, wherein UPnP is various smart machines, wireless device and personal computer The structure for the peer-to-peer network connection that equal realizations spread all over the world；It is another that NAT-PMP, which is by the IP address conversion in IP data packet heads, The process of a IP address.It should be appreciated that communication mode can not be only limitted to above-mentioned several ways, those skilled in the art holds very much A kind of new communication mode is easily suitable for the present invention.

In addition, the company of foundation between client end of playing back 200 in the Play Server end 100 in first terminal and second terminal It when connecing, can be realized by diversified forms such as Quick Response Code, password, automatically scannings, it should be understood that connection is established mode and is also not necessarily limited to Above-mentioned several, those skilled in the art is easy to a kind of new way of realization being suitable for the present invention.

Specifically, the client end of playing back 200 in second terminal is sent for the Play Server end 100 into first terminal It plays and downloads request.

Requested multi-medium data is asked in Play Server end 100 in first terminal for obtaining to play to download, and The client end of playing back 200 for generating stream medium data according to multi-medium data and being sent in second terminal, so that in second terminal 200 real-time playing multimedia data of client end of playing back.Wherein, the file of multi-medium data is larger, including video（As film, TV play, animation etc.）, audio, picture, document etc.；Stream medium data refers to the multi-medium data with steaming transfer, by special Multi-medium data is divided into compressed package one by one by compress mode, and user waits until entire multimedia number like that not necessarily like non-stream broadcasting Content in capable of just seeing after according to all downloading, but pass through multi-medium data as a stabilization, continuous stream Network is transmitted, because of flowing, the client end of playing back 200 in second terminal can be transmitted completion in entire multi-medium data Multi-medium data is shown before.

In the data transmission procedure of stream medium data, as the stream matchmaker that the client end of playing back 200 in second terminal receives It, can be to be downloaded when playing when volume data reaches default size.In one embodiment of the invention, the broadcasting in second terminal Client 200 is additionally operable to when the stream medium data received reaches default size, starts real-time playing multimedia data.Example Such as, it is 1,000,000 to preset size, when the stream medium data received reaches 1M, you can starts real-time playing multimedia data, wherein in advance If size is specifically determined according to the performance of the client end of playing back 200 in second terminal, network-connectivity.

In one embodiment of the invention, the Play Server end 100 in first terminal is additionally operable to：Mesh is shared in setting Record, and corresponding shared multi-medium data list in share directory is sent to the client end of playing back 200 in second terminal, so that Client end of playing back 200 in second terminal, which sends to play according to shared multi-medium data list, downloads request.Specifically, Yong Hu Share directory is set in 100 application program of Play Server end in the first terminal of personal computer, the share directory is main Play the role of being the folder path for allowing the client end of playing back 200 in second terminal to access, the broadcasting clothes in first terminal Device end 100 of being engaged in is arranged after share directory, can send share directory as in the second terminal established a connection Client end of playing back 200 in client end of playing back 200 or second terminal is established with the Play Server end 100 in first terminal After connection, actively reads and obtain the share directory.

In one embodiment of the invention, the Play Server end 100 in first terminal is additionally operable to：According to second terminal In the decoding capacity information of client end of playing back 200 determine the 200 decodable multimedia number of client end of playing back in second terminal Requested multi-medium data is obtained according to type, and according to multimedia data type.For example, if the broadcasting in second terminal is objective The performance of such as mobile terminal of family end 200 is relatively good, then the Play Server end 100 in first terminal can determine requested more Media data is high-definition format, if the client end of playing back in second terminal as the performance of mobile terminal relatively, can be true Fixed requested multi-medium data is common format etc..

In one embodiment of the invention, the Play Server end 100 in first terminal is obtaining broadcasting download request The rear client end of playing back 200 into second terminal of requested multi-medium data sends request response message；In second terminal Client end of playing back 100 according to request response message sending port information request, wherein request response message include receiving port Number；The client end of playing back 200 into second terminal is asked to send according to port information in Play Server end 100 in first terminal Port responses are asked, to establish between the client end of playing back 200 in the Play Server end 100 in first terminal and second terminal Session, wherein port responses request include sending port number；Play Server end 100 in first terminal receives second eventually The playing request that client end of playing back 200 in end is sent according to port responses request, and the meeting that foundation is passed through according to playing request The client end of playing back 200 talked about into second terminal sends stream medium data.

In addition to the function of being downloaded described in any of the above-described embodiment when playing, the cross-terminal of the embodiment of the present invention it is more Media data transmission system, which can also provide, directly downloads function and online playing function.

Specifically, in one embodiment of the invention, the Play Server end 100 in first terminal is additionally operable to reception The download request that client end of playing back 200 in two terminals is sent, and obtain download and ask requested multi-medium data, and will Multi-medium data is sent to the client end of playing back 200 in second terminal.Wherein, 100, the Play Server end in first terminal Corresponding multi-medium data is directly sent to the client end of playing back 200 in second terminal according to request is downloaded, that is, under providing directly Carry function.

In one embodiment of the invention, the Play Server end 100 in first terminal is additionally operable to receive second terminal In the online playing request that sends of client end of playing back 200, and obtain and play requested multi-medium data online, and will be more Media data is cut into multiple segments, and the client end of playing back 200 being sent in second terminal, so that the broadcasting visitor in second terminal Family end 200 plays multi-medium data online according to multiple segments.Wherein, the Play Server end 100 in first terminal is by more matchmakers Volume data is cut into multiple segments, and multiple segment can be very little and the data for broadcasting, the client end of playing back in second terminal 200 can play online, these segments can be cached in the client end of playing back 200 in second terminal, the broadcasting client in second terminal End 200 will be automatically deleted when exiting, that is, provide online playing function.

It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array（PGA）, scene Programmable gate array（FPGA）Deng.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiments or example in can be combined in any suitable manner.

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this The range of invention is limited by claim and its equivalent.

Claims

1. a kind of multimedia data transmission method of cross-terminal, which is characterized in that include the following steps：

Play Server end in first terminal receives the broadcasting that the client end of playing back in second terminal is sent and downloads request, In, share directory is arranged in the Play Server end in the first terminal, and shares more matchmakers by corresponding in the share directory Volume data list is sent to the client end of playing back in the second terminal so that the client end of playing back in the second terminal according to The shared multi-medium data list sends the broadcasting and downloads request, wherein share directory is used to indicate permission described second The folder path that client end of playing back in terminal accesses；

Play Server end in the first terminal obtains the broadcasting and downloads the requested multi-medium data of request, wherein Play Server end in the first terminal is determined according to the decoding capacity information of the client end of playing back in the second terminal The decodable multimedia data type of client end of playing back in the second terminal, and obtained according to the multimedia data type The requested multi-medium data；And

Play Server end in the first terminal generates stream medium data according to the multi-medium data and is sent to described Client end of playing back in second terminal, so that the client end of playing back in the second terminal plays the multi-medium data in real time.

2. the method as described in claim 1, which is characterized in that the first terminal and the second terminal respectively include individual Computer, mobile terminal, multimedia television or intelligent wearable equipment.

3. the method as described in claim 1, which is characterized in that further include：

When the stream medium data that the client end of playing back in the second terminal receives reaches default size, described second Client end of playing back in terminal starts to play the multi-medium data in real time.

4. the method as described in claim 1, which is characterized in that it includes requested multi-medium data that request is downloaded in the broadcasting More matchmakers of title, the decoder type of client end of playing back in the second terminal, client end of playing back in the second terminal The decoding capacity information of the resolution ratio of volume data and the client end of playing back in the second terminal.

5. the method as described in claim 1, which is characterized in that described in the Play Server end in the first terminal obtains It plays after downloading the requested multi-medium data of request and further includes：

Client end of playing back of the Play Server end into the second terminal in the first terminal sends request response message；

Play Server end in the first terminal receives the client end of playing back in the second terminal and is rung according to the request Answer the port information request that information is sent, wherein the request response message includes receiving port number；

Ask the broadcasting into the second terminal objective according to the port information in Play Server end in the first terminal Family end sending port respond request, to establish the broadcasting in Play Server end and the second terminal in the first terminal Session between client, wherein the port responses request includes sending port number；And

Play Server end in the first terminal receives the client end of playing back in the second terminal and is rung according to the port It should ask the playing request sent, and the session the broadcasting into the second terminal that foundation is passed through according to the playing request It puts client and sends the stream medium data.

6. method as described in any one in claim 1-5, which is characterized in that further include：

Play Server end in the first terminal receives the download request of the transmission of the client end of playing back in the second terminal； And

Play Server end in the first terminal obtains the requested multi-medium data of the downloads request, and by institute State the client end of playing back that multi-medium data is sent in the second terminal.

7. method as described in any one in claim 1-5, which is characterized in that further include：

Play Server end in the first terminal receives the online broadcasting of the transmission of the client end of playing back in the second terminal Request；

Play Server end in the first terminal obtains described plays the requested multi-medium data online；And institute The multi-medium data is cut into multiple segments by the Play Server end stated in first terminal, and is sent in the second terminal Client end of playing back so that the client end of playing back in the second terminal plays the multimedia online according to the multiple segment Data.

8. method as described in any one in claim 1-5, which is characterized in that Play Server end in the first terminal with Client end of playing back in the second terminal by universal plug and play UPnP, network address translation NAT, Wireless Fidelity WiFi, Any one of Generation Mobile Telecommunication System technology 2G, 3rd generation mobile communication technology 3G, fourth generation mobile communication technology 4G, bluetooth Communication mode carries out the transmission of the multi-medium data.

9. a kind of multi-medium data transmitting device of cross-terminal, which is characterized in that including：

Request is downloaded in request receiving module, the broadcasting for receiving the transmission of the client end of playing back in second terminal；

Share directory setup module, for being arranged share directory, and by corresponding shared multi-medium data in the share directory List is sent to the client end of playing back in the second terminal, so that the client end of playing back in the second terminal is according to described total It enjoys multi-medium data list and sends the broadcasting download request, wherein the share directory is used to indicate permission described second eventually The folder path that client end of playing back in end accesses；

Data acquisition module downloads the requested multi-medium data of request, wherein in first terminal for obtaining the broadcasting Play Server end is determined according to the decoding capacity information of the client end of playing back in the second terminal in the second terminal The decodable multimedia data type of client end of playing back, and requested more matchmakers are obtained according to the multimedia data type Volume data；And

Data transmission blocks, for generating stream medium data according to the multi-medium data and being sent in the second terminal Client end of playing back, so that the client end of playing back in the second terminal plays the multi-medium data in real time.

10. device as claimed in claim 9, which is characterized in that the second terminal include personal computer, mobile terminal, Multimedia television or intelligent wearable equipment.

11. device as claimed in claim 9, which is characterized in that it includes requested multimedia number that request is downloaded in the broadcasting According to the more of the client end of playing back in the decoder type of the client end of playing back in title, the second terminal, the second terminal The decoding capacity information of the resolution ratio of media data and the client end of playing back in the second terminal.

12. device as claimed in claim 9, which is characterized in that further include：

First respond module downloads the requested multi-medium data of request for obtaining the broadcasting in the data acquisition module Rear client end of playing back into the second terminal send request response message；

First receiving module, for receiving the client end of playing back in the second terminal according to the request response message transmission Port information is asked, wherein the request response message includes receiving port number；

Second respond module, for asking the client end of playing back sending port into the second terminal according to the port information Respond request, to establish between the client end of playing back in Play Server end and the second terminal in the first terminal Session connection, wherein the port responses request includes sending port number；And

Second receiving module, for receiving the client end of playing back in the second terminal according to port responses request transmission Playing request, and it is whole to described second by the session of foundation according to the playing request by the data transmission blocks Client end of playing back in end sends the stream medium data.

13. such as claim 9-12 any one of them devices, which is characterized in that the request receiving module is additionally operable to receive institute The download request that the client end of playing back in second terminal is sent is stated, the data acquisition module is additionally operable to obtain the download request The requested multi-medium data, the data transmission blocks are additionally operable to the multi-medium data being sent to described second eventually Client end of playing back in end.

14. such as claim 9-12 any one of them devices, which is characterized in that the request receiving module is additionally operable to receive institute The online playing request that the client end of playing back in second terminal is sent is stated, the data acquisition module is additionally operable to obtain described online The requested multi-medium data is played, the data transmission blocks are additionally operable to the multi-medium data being cut into multiple Section, and the client end of playing back being sent to successively in the second terminal so that client end of playing back in the second terminal according to The multiple segment plays the multi-medium data online.

15. such as claim 9-12 any one of them devices, which is characterized in that the multi-medium data transmission dress of the cross-terminal It sets and passes through any one of UPnP, NAT, WiFi, 2G, 3G, 4G, bluetooth communication party with the client end of playing back in the second terminal Formula carries out the transmission of the multi-medium data.

16. a kind of Multimedia Transmission System of cross-terminal, which is characterized in that including：Play Server in first terminal Client end of playing back in end and second terminal, wherein

Client end of playing back in the second terminal sends to play for the Play Server end into the first terminal and download Request；

The requested multi-medium data of request is downloaded in Play Server end in the first terminal for obtaining the broadcasting, Wherein, the broadcasting client in the second terminal is determined according to the decoding capacity information of the client end of playing back in the second terminal Decodable multimedia data type is held, and the requested multi-medium data is obtained according to the multimedia data type, And the client end of playing back that stream medium data is generated according to the multi-medium data and is sent in the second terminal, so that described Client end of playing back in second terminal plays the multi-medium data in real time；

Play Server end in the first terminal is additionally operable to：Share directory is set, and will be corresponding in the share directory Shared multi-medium data list is sent to the client end of playing back in the second terminal, so that the broadcasting visitor in the second terminal Family end sends the broadcasting according to the shared multi-medium data list and downloads request, wherein the share directory is used to indicate The folder path for allowing the client end of playing back in the second terminal to access.

17. system as claimed in claim 16, which is characterized in that the first terminal and the second terminal respectively include People's computer, mobile terminal, multimedia television or intelligent wearable equipment.

18. system as claimed in claim 16, which is characterized in that the client end of playing back in the second terminal is additionally operable to work as and connect When the stream medium data received reaches default size, start to play the multi-medium data in real time.

19. system as claimed in claim 16, which is characterized in that it includes requested multimedia number that request is downloaded in the broadcasting According to the more of the client end of playing back in the decoder type of the client end of playing back in title, the second terminal, the second terminal The decoding capacity information of the resolution ratio of media data and the client end of playing back in the second terminal.

20. system as claimed in claim 16, which is characterized in that

Play Server end in the first terminal is after obtaining the broadcasting and downloading the requested multi-medium data of request Client end of playing back into the second terminal sends request response message；

Client end of playing back in the second terminal is according to the request response message sending port information request, wherein described It includes receiving port number to ask response message；

21. such as claim 16-20 any one of them systems, which is characterized in that the Play Server in the first terminal End is additionally operable to receive the download request that the client end of playing back in the second terminal is sent, and obtains the download and asked The multi-medium data, and the multi-medium data is sent to the client end of playing back in the second terminal.

22. such as claim 16-20 any one of them systems, which is characterized in that the Play Server in the first terminal End is additionally operable to receive the online playing request that the client end of playing back in the second terminal is sent, and obtains the online broadcasting institute The multi-medium data of request, and the multi-medium data is cut into multiple segments, and be sent in the second terminal Client end of playing back so that the client end of playing back in the second terminal plays the multimedia online according to the multiple segment Data.

23. such as claim 16-20 any one of them systems, which is characterized in that the Play Server in the first terminal End passes through any one of UPnP, NAT, WiFi, 2G, 3G, 4G, bluetooth communication party with the client end of playing back in the second terminal Formula carries out the transmission of the multi-medium data.