CN102137288A - Method for realizing carousel services and carousel server - Google Patents
Method for realizing carousel services and carousel server Download PDFInfo
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Abstract
The embodiment of the invention discloses a method for realizing carousel services and a carousel server, wherein the method comprises the steps of: receiving a carousel program list sent by a content management system and appointed port information of a program media stream sent to a media server; obtaining first metadata information of a program according to an indication of the carousel program list, wherein the first metadata information comprises a fragment list of the program; obtaining a first program media stream of a fragment in the program fragment list from a source end of the program according to the first metadata information; and sending the first metadata information and the first program media stream to the media server through a port indicated by the port information.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of implementation method and wheel of taking turns the business broadcast broadcast server.
Background technology
Wheel is broadcast business, and (Near Video on Demand is that network is broadcast the business of media services for client provides wheel NVOD).The programme content management system can be broadcast programme by wheel of layout, and the programme form is as follows:
The NVOD channel time started
The programme cycle-index
The web page address of program A (Uniform Resource Locator, URL)
The URL of program B
The URL of program C
... ...
The URL of program X
The on-demand content of program in the programme for having issued, be distributed in each media server (MediaServer, MS) on, the program A in the programme, program B etc. are meant corresponding programm name, the wheel broadcast programme will be published in the wheel broadcast server (NVOD, Server) on.Broadcast in the process at wheel, NVODServer presses the time of programme appointment, sends order request according to the URL of program to MS, to obtain corresponding program media stream, the program media stream of receiving is transmitted to direct broadcast server; Direct broadcast server sends to the direct broadcast band of appointment with the program media stream of receiving, as the playing programs of direct broadcast band, NVOD Server carries out the above-mentioned process of broadcasting of taking turns circularly according to the requirement of " programme cycle-index " in the programme then.
At present wheel broadcast professional as Web TV (Intemet Protocol Television, IPTV) professional adopt the real time flow medium host-host protocol (it is as follows that concrete wheel is broadcast implementation procedure for Real-time Transport Streaming Protocol, RTSP) realization:
1, (Content Manage System CMS) is published to NVOD Server with the NVOD programme to Content Management System; And requiring NVOD Server that the program media stream in this NVOD programme is sent to the designated port of the media server of appointment, the media server of supposing above-mentioned appointment is MS4.
2, CMS notice MS4 sets up direct broadcast band, and this direct broadcast band receives the program media stream that live source NVOD Server sends at the port of appointment.
3, NVOD Server obtains program media stream the programme from MS by time of programme appointment on time.
4, NVOD Server is forwarded to MS4 with the program media stream of receiving.MS4 can broadcast channel for the terminal use provides wheel after obtaining program media stream, and can take turns its program that will provide of demonstration in the introduction of broadcasting channel at this.
5, MS4 receive client watch this take turns broadcast channel watch request after, watch the position of when request program media stream of receiving of MS4 to begin to send program media stream from receiving to client.
Present NVOD Sever is the branch chip technology of support media stream not, can't realize that the wheel under the hypertext Streaming Media host-host protocol (Hypertext Transfer Protocol Streaming, HTTP Streaming) is broadcast business.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of professional implementation method, device and system broadcast of taking turns, and realizes that the wheel under the HTTP Streaming is broadcast business.
For solving the problems of the technologies described above, the implementation method embodiment that takes turns the business broadcast provided by the present invention can be achieved through the following technical solutions:
The wheel that the received content management system sends is broadcast the port information to media server transmission program media stream of programme and appointment;
First metadata information of program is obtained in the indication of broadcasting programme according to wheel, and described first metadata information comprises the burst tabulation of described program;
Obtain first program media stream of the burst the described program burst tabulation according to first metadata information from the source end of described program;
Port by described port information indication sends to media server with first metadata information and first program media stream.
A kind of wheel broadcast professional implementation method, comprising:
The program receiving Media Stream port information of received content management system appointment;
Port in described port information indication receives first program media stream, and first metadata information;
According to the burst tabulation of described first metadata information, and the burst foundation wheel of each Media Stream corresponding with the burst tabulation of first metadata information is broadcast channel in first program media stream;
Receiving after subscriber equipment selects that program request is described and take turns the order request of broadcasting channel, when receiving order request and the program media stream of receiving later on send to subscriber equipment.
A kind of wheel broadcast server, comprising:
Receiving element, the wheel that is used for the transmission of received content management system is broadcast the port information to media server transmission program media stream of programme and appointment;
The metadata information acquiring unit is used for obtaining according to the indication that wheel is broadcast programme first metadata information of program, and described first metadata information comprises the burst tabulation of described program;
The program media stream acquiring unit is used for obtaining from the source end of described program according to first metadata information first program media stream of the burst of described program burst tabulation;
Transmitting element is used for by the port of described port information indication first metadata information and first program media stream being sent to media server.
Technique scheme has following beneficial effect: broadcast server by wheel and broadcast program burst tabulation that programme comprises according to wheel and obtain the program media stream of the burst in the tabulation of program burst to the source of program end, and program media stream and metadata information sent to media server, broadcast service by media server for the user provides wheel, realize that the wheel under the HTTP Streaming is broadcast business.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is an embodiment of the invention method flow schematic diagram;
Fig. 2 is an embodiment of the invention method flow schematic diagram;
Fig. 3 is the system configuration schematic diagram of embodiment of the invention method correspondence;
Fig. 4 broadcasts the server architecture schematic diagram for embodiment of the invention wheel;
Fig. 5 broadcasts the server architecture schematic diagram for embodiment of the invention wheel.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of the wheel to broadcast professional implementation method, as shown in Figure 1, comprising:
101: the wheel that the received content management system sends is broadcast the port information to media server transmission program media stream of programme and appointment;
HTTP Streaming adopts and divides chip technology, program is divided into several little bursts and stores and transmit, a program has the file of a corresponding metadata information, metadata information is commonly referred to as Manifest, the file of metadata information is used to describe information such as the code check, coded format, resolution, burst tabulation of program, and numbering and each burst duration of each burst pointed out in the burst tabulation.
102: first metadata information of program is obtained in the indication of broadcasting programme according to wheel, and above-mentioned first metadata information comprises the burst tabulation of above-mentioned program;
The acquisition methods of first metadata information can be request from the source end transmission program request of program in the programme to wheel that broadcast, and the metadata information that is returned above-mentioned program by the source end is as first metadata information; In addition, " first " of the embodiment of the invention and " second " only as distinguishing program media stream or metadata information, do not have other meaning, should not be construed as the qualification to the embodiment of the invention.
103: obtain first program media stream of the burst the above-mentioned program burst tabulation from the source end of above-mentioned program according to first metadata information;
104: the port by above-mentioned port information indication sends to media server with first metadata information and first program media stream.The destination media server of above-mentioned first metadata information and first program media stream will be realized the function of direct broadcast service, also can be called direct broadcast server.
In 104, first metadata information can be sent to media server, the whole metadata informations that also wheel that Content Management System sends can be broadcast the programme correspondence send to media server and also can only a part be sent to media server, to reduce the data volume of the program media stream that media server preserves, specifically can be: in 102, first metadata information that obtains program also comprises afterwards: set up second metadata information with the continuous burst of the part of above-mentioned first metadata information; So in 103, draw together from the first program media stream packets that the source end of above-mentioned program obtains the burst the above-mentioned program burst tabulation: obtain second program media stream of the burst in the tabulation of program burst second metadata information from the source end of above-mentioned program according to second metadata information according to first metadata information; In 104, the port by the indication of above-mentioned port information sends to media server with first metadata information and first program media stream and comprises: the port by above-mentioned port information indication sends to media server with second metadata information and second program media stream.
Because wheel is broadcast server and only wheel is broadcast a part of program media stream of programme and sent to media server, may exist needs to upgrade the metadata information on the media server and the needs of program media stream like this, specific implementation can for: above-mentionedly set up second metadata information with the continuous burst of the part of first metadata information and comprise: after the program media stream of at least one burst in second metadata information sends to media server, set up trinary data information with the continuous burst of a part that a burst after the burst that has sent in first metadata information begins; Comprise from second program media stream that the source end of above-mentioned program obtains the burst in the tabulation of program burst second metadata information according to second metadata information so: obtain the 3rd program media stream of the burst in the tabulation of program burst second metadata information from the source end of above-mentioned program according to trinary data information; Port by the indication of above-mentioned port information sends to media server with second metadata information and second program media stream and comprises: the port by above-mentioned port information indication sends to media server with trinary data information and the 3rd program media stream.
The burst step of program media stream can be carried out at the source of program end, also can broadcast on the server and carry out at wheel, draw together from the first program media stream packets that the source end of above-mentioned program obtains the burst the above-mentioned program burst tabulation according to first metadata information in 103 so: the Media Stream that obtains above-mentioned program according to first metadata information from the source end of above-mentioned program, carry out the burst processing according to the Media Stream to above-mentioned program in the program burst tabulation of above-mentioned first metadata information then, obtain first program media stream; Perhaps, obtain the program media stream of each the burst correspondence the above-mentioned program burst tabulation according to first metadata information from the source end of above-mentioned program, as first program media stream.
The executive agent of each step of implementation of above embodiment is broadcast server for wheel.
The embodiment of the invention also provides another kind of wheel to broadcast professional implementation method, as shown in Figure 2, comprising:
201: the program receiving Media Stream port information of received content management system appointment;
202: the port in above-mentioned port information indication receives first program media stream, and first metadata information;
203: according to the burst tabulation of above-mentioned first metadata information, and the burst foundation wheel of each Media Stream corresponding with the burst tabulation of first metadata information is broadcast channel in first program media stream;
204: receiving after subscriber equipment selects that program request is above-mentioned and take turns the order request of broadcasting channel, when receiving order request and the program media stream of receiving later on send to subscriber equipment.
Because at 202 first metadata informations that receive may not be the whole whole metadata informations of broadcasting programme of taking turns, first program media stream also may not be whole program media stream, the embodiment of the invention gives solution, in 202, receive first program media stream, and also comprise after first metadata information:
Receive second program media stream, and second metadata information corresponding with second program media stream; Perhaps receive the 3rd program media stream, and the trinary data information corresponding with the 3rd program media stream; Wherein, above-mentioned second metadata information is to set up with the continuous burst of the part of above-mentioned first metadata information; After the program media stream that above-mentioned trinary data information is at least one burst in second metadata information sent to media server, the continuous burst of a part that begins with a burst after the burst that sent in first metadata information was set up;
The burst of wheel in above-mentioned 203 being broadcast each Media Stream in the channel is updated to the burst of the above-mentioned second program media stream correspondence or the burst of the 3rd Media Stream correspondence; Above-mentioned first metadata information of broadcasting in the channel of taking turns is updated to second metadata information or trinary data information.
The executive agent of above each step of embodiment is a media server.
Above method embodiment, broadcasting server by wheel broadcasts program burst tabulation that programme comprises according to wheel and obtains the program media stream of the burst in the tabulation of program burst to the source of program end, and program media stream and metadata information sent to media server, broadcast service by media server for the user provides wheel, realize that the wheel under the HTTP Streaming is broadcast business.
For the wheel that the more detailed description embodiment of the invention provides is broadcast professional implementation method, see also Fig. 3, for the adaptable system configuration of the embodiment of the invention is given an example, a plurality of MS have been comprised in this system, wherein MS1～MS3 is the source end of program, MS4 is as providing wheel to broadcast professional media server for the user, MS4 can be connected by open IP network (Open IP Network) with user terminal.Provided concrete the giving an example such as programme that concrete wheel is broadcast in the present embodiment, be understandable that these should not be construed as the qualification to the embodiment of the invention for example, method flow is exemplified below:
301: Content Management System CMS sends the NVOD programme to NVOD Server, and specifies NVODServer the program media stream of NVOD program to be sent to the designated port of MS 4.
Suppose that programme is as shown in table 1:
Table 1
| Program start time: 19:00 |
| Program cycle-index: 3 |
| Program A |
| Program B |
| Program ... |
| Program X |
Below be the XML example of NVOD programme:
<？xml?version＝″1.0″encoding＝″UTF-8″？>
<schedules?type＝″nvod″channelSeq＝″123456789″>
<schedules?starttime＝″20100604193000″>
＜!--wheel is broadcast the channel program tabulation, and times is a replay times--〉
<seq?playlist＝″cycle″times＝″3″>
<schedule?id＝″1″subtimes＝″1″>
<property?name＝″programURL″>programA-URL</property>
<property?name＝″programName″>supergirl</property>
</schedule>
<schedule?id＝″2″subtimes＝″2″>
<property?name＝″contentID″>programB-URL</property>
<property?name＝″programName″>supergirl</property>
</schedule>
</seq>
</schedules>
302:CMS sends message to MS4, and notice MS 4 sets up wheel and broadcasts channel C, specifies the port that receives the program media stream that live source NVOD Server sends, and this that receives program media stream is taken turns and broadcast channel and broadcast to the subscriber equipment wheel.
303:NVOD Server broadcasts Pgmtime requirement in the programme by wheel, presses HTTP Streaming protocol requirement MS to program A place in 19:00 and sends order request, and request MS sends the program media stream of each burst correspondence of program A.
304: after the MS at program A place receives the order request of NVOD Server, return the metadata information of program A.
The information of supposing the burst tabulation in the metadata of program A is as shown in table 2:
Table 2
| The burst numbering | Burst duration ms |
| 1 | 10000 |
| 2 | 10000 |
| 3 | 10000 |
| 4 | 10000 |
| ... | ... |
| 360 | 10000 |
After 305:NVOD Server receives the metadata information of program A, can send request, ask its burst that returns program A successively 1～360 to source end MS.
306:NVOD Server sets up the metadata information that wheel is broadcast channel C, for example: duplicate the part burst information from the burst tabulation of program A earlier, specifically as shown in table 3:
Table 3
| The burst numbering | Burst duration ms |
| 1 | 10000 |
| 2 | 10000 |
| 3 | 10000 |
| 4 | 10000 |
| ... | ... |
| 8 | 10000 |
The length of burst tabulation is not defined as 8, can dispose arbitrarily.
Metadata information XML format sample is as follows:
<HTTPStreamingMedia?Duration＝″80000″>
<StreamIndex Type＝″video″ Subtype＝″WVC1″ Chunks＝″8″
Url＝″Quality?Levels({bitrate})/Fragments(video＝{start?time})″>
＜QualityLevel Bitrate=" 2750000 " Width=" 1280 " Height=" 720 " // provide reality
Code check value, and resolution 1280*720
＜cn=" 1 " d=" 10000 "/〉 // numbering of content piece (Chunks), and the duration information of this content piece
Video content piece tabulation of ... // all
<cn＝″8″d＝″10000″/></StreamIndex>
＜StreamIndex Type=" audio " Subtype=" WmaPro " Chunks=" 8 " // medium type is an audio frequency, coded format is WmaPro, always has 8 piecemeal Url=" QualityLevels ({ bitrate})/Fragments (audio={start time}) "〉// the Url formation rule that provided client-requested audio frequency burst is QualityLevels (code check)/Fragments (the audio=time started)
＜QualityLevel Bitrate=" 64000 "/〉 // provide the code check value of audio frequency, and the form expansion
＜cn=" 1 " d=" 10000 "/〉 // numbering of content piece (Chunks), and the duration information of this content piece
... all audio content piece tabulations
<cn＝″8″d＝″10000″/></StreamIndex>
</HTTPStreamingMedia>
The metadata information that 307:NVOD Server broadcasts channel C with wheel sends to the receiving port of MS4, i.e. the port of appointment in 301.
308:NVOD Server obtains the burst of program A in proper order by the burst list information of program A.
The receiving port that 309:NVOD Server sequentially flows to the program media of the burst correspondence of program A MS4 sends.
310:MS4 receives the input of broadcasting the corresponding program media stream of channel C with wheel, at this moment the wheel of Chuan Jianing is broadcast channel and can be offered the user client selection, after the playing request of this NVOD channel that receives the subscription client transmission, can play the program media stream that receives to subscription client.
311:NVOD Server is when sending the program media stream of burst 8, and just more the burst in the metadata of new channel C is tabulated, and for example is updated to shown in the table 4:
Table 4
| The burst numbering | Burst duration ms |
| 5 | 10000 |
| 6 | 10000 |
| 7 | 10000 |
| 8 | 10000 |
| ... | ... |
| 12 | 10000 |
312:NVOD Server can issue MS4 with the channel C metadata of upgrading after sending burst 8.
313:MS 4 can replace the metadata information that old wheel is broadcast channel C after receiving that the wheel of renewal is broadcast the metadata information of channel C.Broadcast the metadata information renewal of channel C at wheel after, MS4 can notify more new channel C metadata of client; Also can upgrade by the client active inquiry.
314:NVOD Server circulation is carried out the Media Stream of above-mentioned transmission burst correspondence and is upgraded the flow process that wheel is broadcast the metadata information of channel C, and promptly 312 and 313.
315: obtain last burst of program A as NVOD Server after, the metadata information of program B is returned in beginning to the source end MS that program B is provided.
316: provide the source end MS of program B to return the metadata information of program B to NVOD Server.
The burst list information of metadata information of supposing program B is as shown in table 5:
Table 5
| The burst numbering | Burst duration ms |
| 1 | 10000 |
| 2 | 10000 |
| 3 | 10000 |
| 4 | 10000 |
| ... | ... |
| 360 | 10000 |
317:NVOD Server will upgrade the metadata information that current wheel is broadcast channel C, and metadata information corresponding relation example is as shown in table 6:
Table 6
| Program B burst numbering | Channel C burst numbering | Burst duration ms |
| 357 | 10000 | |
| 358 | 10000 | |
| 359 | 10000 | |
| 360 | 10000 | |
| 1 | 361 | 10000 |
| 2 | 362 | 10000 |
| 3 | 363 | 10000 |
| 4 | 364 | 10000 |
The metadata information that the wheel that 318:NVOD Server will upgrade is broadcast channel C sends to MS4.
319:NVOD Server obtains the program media stream of the burst correspondence of program B in proper order by the indication of the burst list information of program B.
The receiving port that 320:NVOD Server sequentially flows to the program media of the burst correspondence of program B MS4 sends.
321:NVOD Server brings in constant renewal in the metadata of channel C.Update method can be with reference to 311 and 312
322:NVOD Server is according to the requirement of NVOD programme, and with the rendition list loop play 3 times, i.e. circulation is carried out 301～321 3 times.
Above method embodiment, broadcasting server by wheel broadcasts program burst tabulation that programme comprises according to wheel and obtains the program media stream of the burst in the tabulation of program burst to the source of program end, and program media stream and metadata information sent to media server, broadcast service by media server for the user provides wheel, realize that the wheel under the HTTP Streaming is broadcast business.
The embodiment of the invention also provides a kind of the wheel to broadcast server, as shown in Figure 4, comprising:
Receiving element 401, the wheel that is used for the transmission of received content management system is broadcast the port information to media server transmission program media stream of programme and appointment;
Metadata information acquiring unit 402 is used for obtaining according to the indication that wheel is broadcast programme first metadata information of program, and above-mentioned first metadata information comprises the burst tabulation of above-mentioned program;
Program media stream acquiring unit 403 is used for obtaining from the source end of above-mentioned program according to first metadata information first program media stream of the burst of above-mentioned program burst tabulation;
Transmitting element 404 is used for by the port of above-mentioned port information indication first metadata information and first program media stream being sent to media server.
Further, as shown in Figure 5, the above-mentioned wheel broadcast server and also comprised:
Creating unit 501 is used to obtain after first metadata information of program, sets up second metadata information with the continuous burst of the part of above-mentioned first metadata information;
Above-mentioned program media stream acquiring unit 403 is used for obtaining second program media stream of the burst the tabulation of the second metadata information program burst according to second metadata information from the source end of above-mentioned program;
Above-mentioned transmitting element 404 is used for by the port of above-mentioned port information indication second metadata information and second program media stream being sent to media server.
Alternatively, above-mentioned creating unit 501, also be used for after the program media stream of at least one burst of second metadata information sends to media server, setting up trinary data information with the continuous burst of a part that a burst after the burst that has sent in first metadata information begins;
Above-mentioned program media stream acquiring unit 403 is used for obtaining the 3rd program media stream of the burst the tabulation of the second metadata information program burst according to trinary data information from the source end of above-mentioned program;
Above-mentioned transmitting element 404 is used for by the port of above-mentioned port information indication trinary data information and the 3rd program media stream being sent to media server.
Alternatively, above-mentioned program media stream acquiring unit 403, be used for obtaining from the source end of above-mentioned program the Media Stream of above-mentioned program according to first metadata information, carry out the burst processing according to the Media Stream to above-mentioned program in the program burst tabulation of above-mentioned first metadata information then, obtain first program media stream; Perhaps, obtain the program media stream of each the burst correspondence the above-mentioned program burst tabulation according to first metadata information from the source end of above-mentioned program, as first program media stream.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, said procedure can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than to the embodiment of the invention provided a kind of the wheel broadcast professional implementation method, device and system and be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, to sum up, this description should not be construed as limitation of the present invention.
Claims (10)
1. a wheel is broadcast professional implementation method, it is characterized in that, comprising:
The wheel that the received content management system sends is broadcast the port information to media server transmission program media stream of programme and appointment;
First metadata information of program is obtained in the indication of broadcasting programme according to wheel, and described first metadata information comprises the burst tabulation of described program;
Obtain first program media stream of the burst the described program burst tabulation according to first metadata information from the source end of described program;
Port by described port information indication sends to media server with first metadata information and first program media stream.
2. according to the described method of claim 1, it is characterized in that first metadata information that obtains program also comprises afterwards:
Set up second metadata information with the continuous burst of the part of described first metadata information;
Draw together from the first program media stream packets that the source end of described program obtains the burst the described program burst tabulation according to first metadata information:
Obtain second program media stream of the burst in the tabulation of program burst second metadata information according to second metadata information from the source end of described program;
Port by the indication of described port information sends to media server with first metadata information and first program media stream and comprises:
Port by described port information indication sends to media server with second metadata information and second program media stream.
3. according to the described method of claim 2, it is characterized in that, set up second metadata information with the continuous burst of the part of described first metadata information and comprise:
After the program media stream of at least one burst in second metadata information sends to media server, set up trinary data information with the continuous burst of a part that a burst after the burst that has sent in first metadata information begins;
Comprise from second program media stream that the source end of described program obtains the burst in the tabulation of program burst second metadata information according to second metadata information:
Obtain the 3rd program media stream of the burst in the tabulation of program burst second metadata information according to trinary data information from the source end of described program;
Port by the indication of described port information sends to media server with second metadata information and second program media stream and comprises:
Port by described port information indication sends to media server with trinary data information and the 3rd program media stream.
4. according to the described method of claim 1, it is characterized in that, draw together from the first program media stream packets that the source end of described program obtains the burst the described program burst tabulation according to first metadata information:
Obtain the Media Stream of described program according to first metadata information from the source end of described program, handle according in the program burst tabulation of described first metadata information Media Stream of described program being carried out burst then, obtain first program media stream; Perhaps, obtain the program media stream of each the burst correspondence the described program burst tabulation according to first metadata information from the source end of described program, as first program media stream.
5. a wheel is broadcast professional implementation method, it is characterized in that, comprising:
The program receiving Media Stream port information of received content management system appointment;
Port in described port information indication receives first program media stream, and first metadata information;
According to the burst tabulation of described first metadata information, and the burst foundation wheel of each Media Stream corresponding with the burst tabulation of first metadata information is broadcast channel in first program media stream;
Receiving after subscriber equipment selects that program request is described and take turns the order request of broadcasting channel, when receiving order request and the program media stream of receiving later on send to subscriber equipment.
6. according to the described method of claim 1, it is characterized in that, receive first program media stream, and also comprise after first metadata information:
Receive second program media stream, and second metadata information corresponding with second program media stream; Perhaps receive the 3rd program media stream, and the trinary data information corresponding with the 3rd program media stream; Wherein, described second metadata information is to set up with the continuous burst of the part of described first metadata information; After the program media stream that described trinary data information is at least one burst in second metadata information sent to media server, the continuous burst of a part that begins with a burst after the burst that sent in first metadata information was set up;
Described burst of taking turns each Media Stream of broadcasting in the channel is updated to the burst of the described second program media stream correspondence or the burst of the 3rd Media Stream correspondence; Described first metadata information of broadcasting in the channel of taking turns is updated to second metadata information or trinary data information.
7. a wheel is broadcast server, it is characterized in that, comprising:
Receiving element, the wheel that is used for the transmission of received content management system is broadcast the port information to media server transmission program media stream of programme and appointment;
The metadata information acquiring unit is used for obtaining according to the indication that wheel is broadcast programme first metadata information of program, and described first metadata information comprises the burst tabulation of described program;
The program media stream acquiring unit is used for obtaining from the source end of described program according to first metadata information first program media stream of the burst of described program burst tabulation;
Transmitting element is used for by the port of described port information indication first metadata information and first program media stream being sent to media server.
8. broadcast server according to described wheel of claim 7, it is characterized in that, also comprise:
Creating unit is used to obtain after first metadata information of program, sets up second metadata information with the continuous burst of the part of described first metadata information;
Described program media stream acquiring unit is used for obtaining second program media stream of the burst the tabulation of the second metadata information program burst according to second metadata information from the source end of described program;
Described transmitting element is used for by the port of described port information indication second metadata information and second program media stream being sent to media server.
9. described according to Claim 8 the wheel broadcast server, it is characterized in that,
Described creating unit, also be used for after the program media stream of at least one burst of second metadata information sends to media server, setting up trinary data information with the continuous burst of a part that a burst after the burst that has sent in first metadata information begins;
Described program media stream acquiring unit is used for obtaining the 3rd program media stream of the burst the tabulation of the second metadata information program burst according to trinary data information from the source end of described program;
Described transmitting element is used for by the port of described port information indication trinary data information and the 3rd program media stream being sent to media server.
10. broadcast server according to described wheel of claim 7, it is characterized in that,
Described program media stream acquiring unit, be used for obtaining from the source end of described program the Media Stream of described program according to first metadata information, carry out the burst processing according to the Media Stream to described program in the program burst tabulation of described first metadata information then, obtain first program media stream; Perhaps, obtain the program media stream of each the burst correspondence the described program burst tabulation according to first metadata information from the source end of described program, as first program media stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010505901 CN102137288B (en) | 2010-09-30 | 2010-09-30 | Method for realizing carousel services and carousel server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010505901 CN102137288B (en) | 2010-09-30 | 2010-09-30 | Method for realizing carousel services and carousel server |
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