CN102752667A - Multi-stream media live broadcast interaction system and live broadcast interaction method - Google Patents
Multi-stream media live broadcast interaction system and live broadcast interaction method Download PDFInfo
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Abstract
The invention relates to a multi-stream media live broadcast interaction system and live broadcast interaction method. The system comprises a release end module, a live broadcast service module, an interaction service module, a management service module and a client module, wherein the release end module sends multi-steam media data and receives and sends interaction information; the live broadcast service module is used for supporting multi-steam media live broadcast; the interaction service module is used for supporting real-time interaction, the management service module is used for channel information management; the client module is used for user to watch live broadcast and receive and send the interaction information; and the release end module and the client module are respectively connected with the management service module, the live broadcast service module and the interaction service module. Compared with the prior art, the multi-stream media live broadcast interaction system and live broadcast interaction method have the advantages that live broadcast of more than three multi-stream media is supported, real-time interaction can be realized, etc.
Description
Technical field
The present invention relates to a kind of System and method for of network information transfer technical field, especially relate to a kind of multithread live streaming media interaction systems and living broadcast interactive method.
Background technology
Network-multimedia application such as video monitoring, network direct broadcasting has become one of most important applications on the current internet.Particularly under the overall background that intelligent mobile terminal and WIFI, 3G wireless network are popularized, the user watches streaming media service will make the user obtain relevent information, on-line study and the amusement practical convenient more that becomes through intelligent mobile terminal equipment in any place that network arranged.Like existing mobile phone TV services are focuses of whole world concern in recent years.
Existing mobile flow medium service mainly contains mobile video order and moves live two big types.Relevant video display video information such as the user can see a film through mobile program request service perspective, amusement; Move live business,, also have and use preferably, mobile live etc. like important football race like mobile TV etc.Above-mentioned two kinds of comparatively popular mobile flow medium services are only supported to use based on two road medium stream of voice and video.
Under many application scenarioss of reality, only tradition two road Streaming Medias of support voice and video are used the demand that can not satisfy the practical application scene.As under real-time teaching scene,, outside the video information, also need support the course content that teacher explains, the desktop picture when promptly teacher gives lessons except supporting live teacher's voice; In the relevant meeting of many academic conferences or other, forum, the above multithread Streaming Media application demand of many similar support three road streams is arranged also.
Based on this thinking of supporting the transmission of multithread Streaming Media, one Chinese patent application numbers 201010510111.9 has been put down in writing a kind of " based on the many son stream stream media transmission systems and the transmission method thereof of http protocol ".This method has proposed to carry out with http protocol the advantage of multithread Streaming Media transmission.Adopt http protocol to carry out real-time Transmission and be not limited to based on the mobile live broadcast system of multithread Streaming Media and the transmission method of servicing in the interactive approach; As based on streaming media service of RTP etc.; Real-time can be better, and under the background that the network bandwidth constantly develops, stability also will be guaranteed.Even also can also pick up from definition, the service that is fit to the transmission of multithread Streaming Media more realizes, realizes that simultaneously the function of real-time interactive need be used other communication protocols that relatively are fit to, like the instant messaging agreement etc.
Further search is found, one Chinese patent application numbers 200710074144.1 put down in writing " method that a kind of mobile phone is live ", but this method has only realized supporting that the mobile phone of a video flowing is live.In large scale handheld device popular day by day today; Under the scene demand of mobile office, mobile teaching; Moving lively provides operational environment more flexibly to clerical workforce, teacher etc.; Be that the information source end supports the multithread stream media information of PC end to gather when sending, also support the collection and the transmission of the multithread stream media information of handheld device.Receiving terminal supports that not only existing two road popular streaming multimedias are professional, supports the above multithread streaming media service of two road streams simultaneously, and receiving terminal supports desktop application to use with moving simultaneously, for the multithread streaming media service provides more applications scene and convenient.
Summary of the invention
The object of the invention is exactly for the defective that overcomes above-mentioned prior art existence a kind of multithread live streaming media of supporting more than three to be provided, and has the multithread live streaming media interaction systems and the living broadcast interactive method of real-time interactive function simultaneously.
The object of the invention can be realized through following technical scheme:
A kind of multithread live streaming media interaction systems; Comprise that the issue end module of sending multithread stream medium data and transmitting-receiving interactive information, the direct broadcast service module that is used to support the multithread live streaming media, the interactive service module that is used to support real-time interactive, the management services module that is used for the channel information management and user watch client modules live and the transmitting-receiving interactive information; Described issue end module and client modules be connection management service module, direct broadcast service module and interactive service module respectively; Described issue end module is by obtaining the channel correlation attribute information in the management services module and the multithread stream medium data being sent to the direct broadcast service module; Described client modules obtains the multithread stream medium data synchronous playing of decoding from the direct broadcast service module, described issue end module and client modules are through interactive service module transmitting-receiving interactive information.
Described multithread stream medium data is meant the data that the real-time media data source that comprises two and above media channel carries out forming behind the compressed encoding, the screen picture stream that comprises compression forms after the microphone collection audio stream, obtains video flowing that the back compression forms and obtain from the screen of PC or handheld device from camera.
The carrier of described issue end module comprises the PC computer with network function, Macintosh or have WIFI or the handheld device of the above radio network functions of 3G bandwidth.
Be provided with in the described direct broadcast service module and the corresponding Buffer Pool of channel; Described Buffer Pool is made up of with the corresponding buffering area of media channel a plurality of; Described channel refers to the symbolic representation of a specific live scene; As can accord with GUID with global unique identification and identify a specific channel, live scene comprises on-the-spot classroom, on-the-spot meeting or forum etc.
Described direct broadcast service module is obtained the multithread stream medium data that sends over from issue end module, and the user who receives client modules simultaneously watches request, and offers the corresponding multithread stream medium data of client.
Described interactive service module support issue end module and client modules carry out real-time interactive through the mode of text or voice, and described real-time interactive comprises enquirement, ballot and online exercise.
Store the relevant information and the channel correlation attribute information of issue end module in the described management services module; The relevant information of described issue end module comprises username and password, and described channel correlation attribute information comprises the coding parameter of interactive service module's address, direct broadcast service module's address, channel state information and each media channel.
The carrier of described client modules comprises mobile intelligent terminal.
A kind of multithread live streaming media interactive approach comprises the exchanges data of issue end module and the exchanges data of client modules,
The exchanges data of described issue end module specifically may further comprise the steps:
101) issue end module login management service module obtains the direct broadcast band correlation attribute information;
102) issue end module is connected to a special channels in the direct broadcast service module, and the channel state information of this channel in the management services module is made as live state;
103) data source that module is gathered a plurality of media channels is held in issue;
104) data source of each media channel is compressed by the compressed encoding standard of correspondence and coding parameter formed the multithread stream medium data; And through network according to media channel and temporal information to the data flow of each media channel is put into corresponding buffer region by the formation rule of first in first out, go to step 102);
The exchanges data of described client modules specifically may further comprise the steps:
201) client modules obtains the direct broadcast band correlation attribute information through the login management service module;
202) client modules is connected to a special channels in the direct broadcast service module, signs in to the corresponding interactive service module of this channel simultaneously, carries out interaction with issue end module;
203) client modules is by obtaining the multithread stream medium data by first-in first-out rule in the buffering area of direct broadcast service module;
204) client modules is decoded to the data flow of each media channel;
205) client modules carries out after the Synchronization Control each media channel being played up respectively and being play to the data that the back of decoding forms.
Compared with prior art; The present invention both can support the live of traditional audio frequency and video two ways stream; Issue end module and client modules are supported many sizes intelligent mobile terminal equipment simultaneously, and simultaneously, the present invention also can be widely used in the multithread live streaming media more than three; Satisfied the unappeasable demand of traditional two road Streaming Medias application under a lot of scenes, in real-time classroom, real-time conferencing, real-time forum.The real-time interactive function that the present invention supported is that flow transmission function unidirectional in the general live broadcast application of streaming media is not available.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the flow chart of issue end module data exchange;
Fig. 3 is the flow chart of client modules exchanges data of the present invention
Fig. 4 is the application sketch map of the embodiment of the invention 1;
Fig. 5 is the structural representation of embodiment 1;
Fig. 6 is the structural representation of embodiment 2.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Like Fig. 1, shown in Figure 4; A kind of multithread live streaming media interaction systems; Comprise that the issue end module 1 of sending multithread stream medium data and transmitting-receiving interactive information, the direct broadcast service module 2 that is used to support the multithread live streaming media, the interactive service module 3 that is used to support real-time interactive, the management services module 4 that is used for the channel information management and user watch client modules 5 live and the transmitting-receiving interactive information; Described issue end module 1 and client modules 5 be connection management service module 4, direct broadcast service module 2 and interactive service module 3 respectively; Described issue end module 1 is by obtaining the channel correlation attribute information in the management services module 4 and the multithread stream medium data being sent to direct broadcast service module 2; Described client modules 5 obtains the multithread stream medium data synchronous playing of decoding from direct broadcast service module 2, described issue end module 1 is received and dispatched interactive informations with client modules 5 through interactive service module 3.
The multithread stream medium data is meant the data that the real-time media data source that comprises two and above media channel carries out forming behind the compressed encoding, the screen picture stream that comprises compression forms after the microphone collection audio stream, obtains video flowing that the back compression forms and obtain from the screen of PC or handheld device from camera.
The carrier of issue end module 1 comprises PC computer, the mobile phone with network function or has WIFI or the handheld device of the above radio network functions of 3G bandwidth.Issue end module 1 in the present embodiment is gathered three media channels respectively: screen passage, video channel, voice-grade channel for teacher's end.
Be provided with in the described direct broadcast service module 2 and the corresponding Buffer Pool of channel; Described Buffer Pool is made up of with the corresponding buffering area of media channel a plurality of; Described channel refers to the symbolic representation of a specific live scene; As can accord with GUID with global unique identification and identify a specific channel, live scene comprises on-the-spot classroom, on-the-spot meeting or forum etc.
Described direct broadcast service module 2 is obtained the multithread stream medium data that sends over from issue end module 1, and the user who receives client modules 5 simultaneously watches request, and offers the corresponding multithread stream medium data of client.
Described interactive service module 3 is followed general instant messaging chat agreement XMPP standard; Adopt the OpenFire server of customization; Support issue end module 5 to carry out real-time interactive with client modules 1 through the mode of text or voice, described real-time interactive comprises enquirement, ballot and online exercise.
Described management services module 4 is the web service of a managing channel information; Store the relevant information and the channel correlation attribute information of issue end module 1; The relevant information of described issue end module 1 comprises username and password, and described channel correlation attribute information comprises the coding parameter of interactive service module's address, direct broadcast service module's address, channel state information and each media channel.
The carrier of described client modules 5 comprises the mobile intelligent terminal of conventional table or kinds of platform, smart mobile phone of producing like all big enterprises and large scale panel computer etc.Family end module in the present embodiment is student's end.Client modules finds the corresponding buffered pond according to channel from the direct broadcast service module; Please begin that the strategy by first in first out obtains data from Buffer Pool; After the multithread stream medium data that obtains decoded respectively, carry out after the Synchronization Control each media channel being played up.
Like Fig. 2, Fig. 3, shown in Figure 5, a kind of multithread live streaming media interactive approach comprises the exchanges data of issue end module and the exchanges data of client modules,
In step s501, issue end module 1 is gathered the initial data of three media channels through systemic-function with certain hour resolution or spatial resolution respectively, and is aided with record information correlation time, with the form of timestamp.
In step s502, after holding module 1 with the compressing original data of three passages, issue forms the stream medium data of three road streams.
In step s503, issue end module 1 will send to direct broadcast service module 2 through network from compressed code flow, and in each code stream, be aided with the timestamp information of record.
In step s504, the multithread stream medium data that issue end module 1 is obtained is put into corresponding buffer region to the data flow of each media channel by the formation rule of first in first out according to media channel and temporal information.As shown in Figure 5, issue end module 1 is dealt into direct broadcast service module 2 with audio stream, video flowing, the screen flow of channel N, and 2 couples of channel N of direct broadcast service module safeguard a Buffer Pool, and the sub-flow point of the multichannel that receives is not put in the Buffer Pool in the corresponding buffer region.Each buffering area is only deposited corresponding media data, and deposits according to the queue structure of first in first out, can adopt the mode of round-robin queue to realize.
In step s505, client modules 5 finds the corresponding buffered pond according to channel from direct broadcast service module 2, begins that the strategy by first in first out obtains data from Buffer Pool.
In step s506, client modules 5 will form initial data after the multithread stream medium data that direct broadcast service module 2 is obtained is decoded by relevant parameter.
In step s507, the data that form after 5 pairs of decodings of client modules carry out after the Synchronization Control each passage being played up broadcast respectively.
As shown in Figure 6, for a kind of according to possible embodiment of the present invention.In this embodiment, the Streaming Media hop is made up of two parts, and the multithread Streaming Media receives submodule and general web service module, and described multithread Streaming Media receives submodule and is the direct broadcast service module.After multithread Streaming Media reception submodule will be issued the multithread stream medium data reception of end transmission, by channel these data are preserved into file and be placed in the corresponding file folder, the order that flow according to first in first out on each road forms document queue.When client modules is visited some channels, press the file under the channel visit particular category through the http protocol visit, and obtain corresponding stream according to the order of first in first out.Pairing step is consistent with embodiment 1.
Claims (6)
1. multithread live streaming media interaction systems; It is characterized in that; Comprise that the issue end module of sending multithread stream medium data and transmitting-receiving interactive information, the direct broadcast service module that is used to support the multithread live streaming media, the interactive service module that is used to support real-time interactive, the management services module that is used for the channel information management and user watch client modules live and the transmitting-receiving interactive information; Described issue end module and client modules be connection management service module, direct broadcast service module and interactive service module respectively; Described issue end module is by obtaining the channel correlation attribute information in the management services module and the multithread stream medium data being sent to the direct broadcast service module; Described client modules obtains the multithread stream medium data synchronous playing of decoding from the direct broadcast service module, described issue end module and client modules are through interactive service module transmitting-receiving interactive information.
2. a kind of multithread live streaming media interaction systems according to claim 1; It is characterized in that; Described multithread stream medium data is meant the data that the real-time media data source that comprises two and above media channel carries out forming behind the compressed encoding, the screen picture stream that comprises compression forms after the microphone collection audio stream, obtains video flowing that the back compression forms and obtain from the screen of PC or handheld device from camera.
3. a kind of multithread live streaming media interaction systems according to claim 2 is characterized in that, is provided with in the described direct broadcast service module and the corresponding Buffer Pool of channel, and described Buffer Pool is made up of with the corresponding buffering area of media channel a plurality of.
4. a kind of multithread live streaming media interaction systems according to claim 1; It is characterized in that; Described interactive service module support issue end module and client modules carry out real-time interactive through the mode of text or voice, and described real-time interactive comprises enquirement, ballot and online exercise.
5. a kind of multithread live streaming media interaction systems according to claim 2; It is characterized in that; Store the relevant information and the channel correlation attribute information of issue end module in the described management services module; The relevant information of described issue end module comprises username and password, and described channel correlation attribute information comprises the coding parameter of interactive service module's address, direct broadcast service module's address, channel state information and each media channel.
6. a multithread live streaming media interactive approach as claimed in claim 5 is characterized in that, comprises the exchanges data of issue end module and the exchanges data of client modules,
The exchanges data of described issue end module specifically may further comprise the steps:
101) issue end module login management service module obtains the direct broadcast band correlation attribute information;
102) issue end module is connected to a special channels in the direct broadcast service module, and the channel state information of this channel in the management services module is made as live state;
103) data source that module is gathered a plurality of media channels is held in issue;
104) data source of each media channel is compressed by the compressed encoding standard of correspondence and coding parameter formed the multithread stream medium data; And through network according to media channel and temporal information to the data flow of each media channel is put into corresponding buffer region by the formation rule of first in first out, go to step 102);
The exchanges data of described client modules specifically may further comprise the steps:
201) client modules obtains the direct broadcast band correlation attribute information through the login management service module;
202) client modules is connected to a special channels in the direct broadcast service module, signs in to the corresponding interactive service module of this channel simultaneously, carries out interaction with issue end module;
203) client modules is by obtaining the multithread stream medium data by first-in first-out rule in the buffering area of direct broadcast service module;
204) client modules is decoded to the data flow of each media channel;
205) client modules carries out after the Synchronization Control each media channel being played up respectively and being play to the data that the back of decoding forms.
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