CN101668194A - Method and device for inserting and playing advertisement based on content fragmentation - Google Patents
Method and device for inserting and playing advertisement based on content fragmentation Download PDFInfo
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Abstract
The invention provides a method and a device for inserting and playing an advertisement based on content fragmentation. The method comprises the following steps of: inquiring a content fragmentation index server by using a content allocating network or a service management system to acquire index information on the content fragmentation and construct a program content fragmentation play list; andinserting advertisement index information into the program content fragmentation play list with the content allocating network or the service management system, and generating a content fragmentationplay list with the advertisement index information so as to play programs according to the content fragmentation play list with the advertisement index information. The advertisement inserting devicecomprises a separation unit, a storage unit and a structure unit. When the method and the device insert the advertisement or replace advertisement content in different program periods, the content fragmentation play list with the advertisement index information is used for playing the program so as to greatly reduce system storage cost and improve the capacity of flexibly inserting the advertisement at the same time.
Description
Technical field:
The present invention relates to field of multimedia communication, relate in particular to the playing programs technical field of the content-based burst of IPTV.
Background technology:
In field of multimedia communication, files such as multimedia audio-video (may be the front or rear file of fluidization treatment) size is bigger usually, usually adopt distributed storage on media server, at first, with big file division is several bursts, and then on a plurality of blades that are stored in a server with these bursts dispersions, also can be kept on a plurality of servers.
If be stored in dispersedly on a plurality of media servers, a plurality of media servers can use centralized control or distributed control model to manage the content fragment of these a plurality of servers.Typically such as: the content fragment index information in a plurality of media servers in the special central server record institute management domain is arranged in the centralized CDN network; Again such as: in the P2P network, a plurality of servers or client constitute a P2P autonomous networks, adopt centralized or certain distributed algorithm (can be DHT) to manage the content fragment index information of a plurality of Peer nodes in the P2P autonomous networks in this P2P autonomous networks.
With content fragment, and under the situation of distributed storage, a complete file may need a plurality of servers (also may be a plurality of blades in the server) to provide a part of content fragment could constitute a complete content respectively originally this.And system may implement the Cache strategy to content fragment, and causing different content fragments constantly to distribute on each node in system may be different.
Common serial of traditional cable TV or movie program are also inequality in the advertisement (ad content and advertising broadcast time) that different TV stations plays insertion.The advertisement that general enterprise and TV station sign all is terminable, and is also different in the advertisement that play different periods.
As above give an account of and continue, the advertisement of TV programme have region, periodically, in a program broadcast time characteristics such as some uncertainty.When changing insertion advertisement point and changing ad content, just advertisement and program need be updated and be integrated into a file, causing needs in system many parts (having only ad content or insertion point difference) of same programme content storage, and periodically influenced by advertisement, need the constantly new copy (inserting) of editor's generation on the original program content basis as time passes because new advertisement is arranged, so repeatedly repeat to have taken the memory space of server, cause the waste of resource.
Summary of the invention:
1. technical problem
Technical problem to be solved by this invention is, when different program time-intervals inserts advertisement or changes ad content, need repeatedly advertisement and program updated and be integrated into a file and store, causing needs in system many parts (having only ad content or insertion point difference) of same programme content storage, repeat to take the memory space of server, caused the waste of resource.
2. summary of the invention
The invention provides a kind of advertisement insertion method of content-based burst, this method comprises the steps:
Above-mentioned advertisement is inserted in the method step 1, and content distributing network is divided at least two content fragments with programme content by fixed size or Fixed Time Interval.
Above-mentioned advertisement is inserted in the method step 4, content distributing network or business management system are inserted described programme content burst playlist by Fixed Time Interval or the set time keyed advertising information of naming a person for a particular job, and structure has the content fragment playlist of keyed advertising information.
Above-mentioned described content fragment playlist comprises: the time migration that burst numbering, burst uniform resource position mark URL, burst begin with respect to content, burst playing duration, last burst numbering and next burst numbering.
The present invention also provides a kind of advertisement insertion method of utilizing the described content-based burst of claim 1 to carry out the method for playing programs in addition, and this method is carried out playing programs according to the content fragment playlist that has keyed advertising information.
Above-mentioned this method comprises the steps:
To media server request burst content, described media server sends the burst content to terminal, carries out playing programs according to the described content fragment playlist that has keyed advertising information for step 2, terminal.
Said method can also be to comprise the steps:
According to above-mentioned program broadcasting method, carry out in the playing programs process, if during the fast forward or backward slow-motion of terminal, positional information and in progress content fragment positional information after the fast slow-motion are compared, if the position after the described fast slow-motion has navigated to another content fragment, then to the media server request burst content at described another content fragment place, if arrive last burst afterbody then stop to play; If the terminal Halfway Stopping is play, then stop playing flow.
The present invention also provides a kind of advertisement of content-based burst to insert device, and this device comprises:
Cutting unit is used for programme content is divided at least two content fragments;
Memory cell is used for described content fragment is stored at least one media server of described content distributing network, and the content fragment index server writes down the index information that described content fragment is stored in content distributing network;
Structural unit, be used to inquire about described content fragment index server, obtain the index information of described content fragment, the content fragment playlist of structure program, this structural unit is used for keyed advertising information is inserted described programme content burst playlist equally, generates the content fragment playlist that has keyed advertising information.
3. beneficial effect
The present invention proposes a kind of advertisement insertion, player method and device of content-based burst, utilize the content fragment playlist, system at the region of advertisement, periodically, advertising broadcast time point randomness no longer needs to make a plurality of program copies in the program, only needing to generate a content fragment playlist that has keyed advertising information gets final product, do not influencing under the program normal storage broadcast prerequisite, reduce system's carrying cost greatly, improve the ability of inserting advertisement flexibly simultaneously.
Description of drawings:
Fig. 1 is the rough schematic of an IPTV system;
Fig. 2 is the schematic diagram that a plurality of content fragments a plurality of nodes in system of a programme content disperse storage;
Fig. 3 is based on the advertisement of content fragment and inserts the method flow schematic diagram;
Fig. 4 obtains the schematic flow sheet of each content fragment when being terminal according to the content fragment playlist broadcast program that has keyed advertising information;
Fig. 5 is a kind of schematic flow sheet that is initiatively sent content fragment by network terminal according to the content fragment playlist that has keyed advertising information to terminal.
Embodiment:
Below in conjunction with accompanying drawing summary of the invention is described in detail.
In the IPTV system, insert advertisement, can manage and generate the content fragment playlist by content distributing network (being called for short CDN) or business management system.IPTV system rough schematic is referring to Fig. 1, it is made of user terminal, business management system, program navigating and content distributing network, wherein user terminal can be a TV-set top box, business management system is responsible for the IPTV system service management, content distributing network comprises a plurality of network nodes, and programme content is kept on these network nodes.
The content fragment playlist is the device of a similarity relation wide area information server table, content fragment of every record expression may include but not limited to: the time migration that burst numbering, burst URL, burst playing duration, burst begin with respect to content, last burst numbering, next burst numbering.
All records of content fragment playlist have constituted jointly plays necessary all the burst contents of this content, content fragment played column statement be a program request or in advance recorded program (such as: the tabulation that each burst of this program is formed), also may program insert the band advertisement of forming after other information such as advertisement program (such as: the common tabulation that constitutes of each burst of this program and adlink).
The record ordering mode of content fragment playlist is generally carried out with respect to the skew of play content time started point according to burst, also has other sortords.
Embodiment 1: press Fixed Time Interval inserts advertisement in program method, comprise the steps:
The first step: a programme content stores the CDN network into, and in the business management system registration, as Fig. 1.
Second step: exist special segmenting device that this program is divided into the N sheet at the CDN network, every big or small S.Cut apart according to reproduction time in the present embodiment, duration was divided into a file in 5 minutes.This N sheet content stores is on one or more nodes of a media server of content distributing network, perhaps disperse to be stored on a plurality of media servers, (N=10) as shown in Figure 2, content distributing network has one or more content fragment index server (or software function modules simultaneously, to call the content fragment index server in the following text) distributed intelligence that is used for writing down each burst, as shown in Figure 2: burst 1,2,3,4 are stored on the node A, burst 3,4,5,6 are stored on the Node B, burst 5,6,7,8 are stored on the node C burst 7,8,9,10 are stored on the node D.
The 3rd step: as Fig. 3, CDN is content fragment playlist of this composition of content according to the information that the content fragment index server provides, formal following form (according to the distribution situation structure of program) at Fig. 2, program in the following table is divided into 10 altogether, generate this table by the burst number order, uniform resource position mark URL information is from index server, the principle that skew is then cut apart according to burst, first reproduction time is since 0, every playing duration is fixing 5 minutes, and following a slice numbering and last a slice numbering are mainly in order to realize F.F., rewind down, time-out waits the VCR function:
Table 1: the content fragment playlist of a program
| The burst numbering | ??URL | Skew | Duration | Last a slice numbering | Following a |
| Burst | |||||
| 1 | ??URL:A | ??0′ | ??5′ | ??END | |
| |
??URL:A | ??5′ | ??5′ | |
|
| |
??URL:A/:B | ??10′ | ??5′ | |
|
| |
??URL:A/:B | ??15′ | ??5′ | |
|
| |
??URL:B/:C | ??20′ | ??5′ | |
|
| |
??URL:B/:C | ??25′ | ??5′ | |
|
| |
??URL:C/:D | ??30′ | ??5′ | |
|
| |
??URL:C/:D | ??35′ | ??5′ | |
Burst 9 |
| Burst 9 | ??URL:D | ??40′ | ??5′ | |
Burst 10 |
| Burst 10 | ??URL:D | ??45′ | ??5′ | Burst 9 | END |
Annotate 1:
URL:ARepresent the URL that this burst is stored on node A,
URL:A/:B represents that this burst existsTwo URL that storage is all arranged on node A, the B.5 minutes (chronomere) of 5 ' expression.
Annotate 2: owing to can be dynamically to change in the system that the is distributed in running of burst, that is to say 1,2,3,4 four burst that comes into existence on the node A, along with system's operation may can increase in minimizing.But have which burst content on each node is to obtain by query contents burst index server.
The 4th step: as Fig. 3, in order to realize inserting advertisement by Fixed Time Interval, CDN is according to table 1 and insert advertising strategy, such as: by the advertisement of inserting 2 minutes in 15 minutes at interval, adjustment form 1, generate new table 2: insert advertisement record of corresponding generation in table, after inserting advertisement, follow-up all burst play start time all will be offset the duration that an advertisement is play backward, the advertisement of Cha Ruing simultaneously also needs a numbering, so that and previous burst, a back burst are together in series VCR functions such as realization F.F., rewind down, time-out.As follows:
Table 2: Fixed Time Interval inserts the content fragment tabulation after the advertisement
| The burst numbering | ??URL | Skew | Duration | Last a slice numbering | Following a |
| Burst | |||||
| 1 | ??URL:A | ??0′ | ??5′ | ??END | |
| |
??URL:A | ??5′ | ??5′ | |
|
| |
??URL:A/:B | ??10′ | ??5′ | |
|
| |
??URL:A/:B | ??15′ | ??5′ | |
Burst 4.1 |
| Burst 4.1 | ??URL:AD | ??17′ | ??2′ | |
|
| |
??URL:B/:C | ??22′ | ??5′ | |
|
| |
??URL:B/:C | ??27′ | ??5′ | |
|
| |
??URL:C/:D | ??32′ | ??5′ | |
|
| |
??URL:C/:D | ??37′ | ??5′ | |
Burst 8.1 |
| Burst 8.1 | ??URL:AD | ??42′ | ??2′ | |
Burst 9 |
| Burst 9 | ??URL:D | ??44′ | ??5′ | |
Burst 10 |
| Burst 10 | ??URL:D | ??49′ | ??5′ | Burst 9 | ??END |
Annotate:
URL:ARepresent the URL that this burst is stored on node A,
URL:A/:B represents that this burst existsTwo URL that storage is all arranged on node A, the B.
URL:ADThe URL position of expression adlink.5 minutes (chronomere) of 5 ' expression.
Broadcasting by terminal program request or CDN initiate only need send Media Stream to terminal according to the different media server of table 2 indication and realize the playing programs function.Also can be that terminal downloads to local active respectively to each burst location request Media Stream with this tabulation.
Certainly the content fragment playlist also can be kept at other positions of system, and each burst switches the control of playing also can be finished by other equipment of network terminal or module.
Embodiment 2: insert the method for advertisement at program climax place, comprise the steps:
The first step: business management system at the set time point, such as at plot climax place, is inserted advertisement according to the program plot, is that keyed advertising information is kept in the business management system with these time points.Can be business management system proactive notification CDN, also can be that CDN is follow-up obtains this time point to the business management system request;
Second step: with the first step of embodiment 1, program is injected into the CDN network;
The 3rd step: with second step of embodiment 1, the CDN network is safeguarded the index information of burst simultaneously to content fragment and storage;
The 4th step: business management system is content fragment playlist of this composition of content according to the information that the content fragment index server provides, with table 1;
The 5th step: as Fig. 3, in order to realize inserting advertisement by set time point (story of a play or opera plot climax place), business management system is according to table 1 and insert advertising strategy, such as: in 2 minutes the advertisement of insertion in 10 minutes 50 seconds of playing programs time, adjustment form 1, generate new table 3: insert advertisement record of corresponding generation in table, after inserting advertisement, follow-up all burst play start time all will be offset the duration that an advertisement is play backward, the advertisement of Cha Ruing simultaneously also has a numbering, so that and previous burst, the burst in back is together in series, and realizes F.F., rewind down, time-out waits the VCR function.As follows:
Table 3: the set time point inserts advertisement content burst playlist
| The burst numbering | ??URL | Skew | Duration | Last a slice numbering | Following a | |
| Burst | ||||||
| 1 | ??URL:A | ??0 | ??5′ | ?? | Burst | 2 |
| |
??URL:A | ??5′ | ??5′ | |
|
|
| |
??URL:A/:B | ??10′ | ??50″ | |
|
|
| Burst 3.1 | ?? URL:AD | ??10′50″ | ??2′ | |
Burst 3.2 | |
| Burst 3.2 | ?? URL:A/:B | ??12′50″ | ??4′10″ | Burst 3.1 | |
|
| |
??URL:A/:B | ??17′ | ??5′ | |
|
|
| |
??URL:B/:C | ??22′ | ??5′ | |
|
|
| |
??URL:B/:C | ??27′ | ??5′ | |
|
|
| |
??URL:C/:D | ??32′ | ??5′ | |
|
|
| |
??URL:C/:D | ??37′ | ??5′ | |
Burst 9 | |
| Burst 9 | ??URL:D | ??42′ | ??5′ | |
Burst 10 | |
| Burst 10 | ??URL:D | ??47′ | ??5′ | Burst 9 | ??END |
Annotate:
URL:ARepresent the URL that this burst is stored on node A,
URL:A/:B represents this burstTwo URL that storage is all arranged on node A, B.
URL:ADThe URL position of expression adlink.4 ' 10 " 4 minutes 10 seconds (chronomere) of expression.
Broadcasting by terminal program request or CDN initiate only need send Media Stream to terminal according to the different media server of table 3 indication and realize the playing programs function.Also can be that terminal downloads to local active respectively to each burst location request Media Stream with this tabulation.
Certainly the content fragment playlist also can be kept at other positions of system, and each burst switches the control of playing also can be finished by other equipment of network terminal or module.
In above-mentioned embodiment, insert different advertisements, system does not need many parts of copies of additional maintenance content, only needs to generate a plurality of content fragment playlists that have keyed advertising information.System can generate a plurality of content fragment playlists at different situations to a former program content, represents the program of a plurality of customizations.
Embodiment 3: as Fig. 4 describe be a kind of by terminal according to the content fragment playlist that has keyed advertising information respectively to the schematic flow sheet of the media server request burst content at each content fragment place.Here the content fragment playlist of hypothetical program is kept on the content indexing server, and reality also can be that other media servers or equipment are finished this function.
Present embodiment provides a kind of advertisement insertion method of utilizing above-mentioned content-based burst to carry out the method for playing programs, and this method comprises the steps:
At first, terminal obtains to have the content fragment playlist of keyed advertising information to the index server request;
Then, terminal, is play respectively to the media server request burst content at each burst place then according to the above-mentioned content fragment playlist that has keyed advertising information.
If the user stops to play then can the triggering following flow process stop midway.
If the content fragment playlist of preserving on the index server change (such as: because the focus strategy comes into force), if necessary, need this tabulation synchronously between terminal and the index server, so that terminal is known up-to-date tabulation.Certainly tabulation synchronously is unnecessary in some cases, though change such as the distribution of each burst on node, but still constituted complete content with content fragment summation on all nodes in one deck, this time since the content fragment playlists records a plurality of positional informations of each burst, terminal can be respectively to each position requests, in this case, there is a node that content can be provided certainly.
Certainly the content fragment playlist also can be kept at other positions or the business management system of content distributing network, and each burst switches the control of playing also can be finished by other equipment of network terminal or module.
Embodiment 4: as Fig. 5, what describe is a kind of schematic flow sheet that is initiatively sent Media Stream by network terminal according to the content fragment playlist that has keyed advertising information to terminal, here the content fragment playlist that supposition has keyed advertising information is generated and is preserved by index server, and reality also can be that other media servers or equipment are finished this function; And supposition is finished by index server in the control of network terminal content fragment playlist, and reality also can be that other media servers or equipment are finished this function.
Present embodiment provides a kind of advertisement insertion method of utilizing above-mentioned content-based burst to carry out the method for playing programs, and this method comprises the steps:
At first, the index server active inquiry is wanted the content play burst tabulation that has keyed advertising information of interview show to terminal;
Then, index server sends Media Stream to user terminal according to the burst uniform resource position mark URL of the content fragment playlists records that has keyed advertising information and node A, B, C, the D etc. that time migration information is notified media server respectively, plays then.
If the user stops to play then can the triggering following flow process stop midway.
Certainly the content fragment playlist also can be kept at other positions or the business management system of content distributing network, and each burst switches the control of playing also can be finished by other equipment of network terminal or module.
The program broadcasting method that the foregoing description is mentioned, VCR functions such as terminal can realize F.F., slow-motion, rewind down, moves back slowly, time-out, when terminal F.F. forward or backward or slow-motion, can be according to the above-mentioned content fragment playlist inquiry F.F. of keyed advertising information or the positional information after the slow-motion of having, compare with the positional information of in progress content fragment, if navigated to another burst from a burst, then need again media server request content, if arrive last burst afterbody then stop to play to new burst place.
Advertisement insertion, player method and the device that has proposed a kind of content-based burst of the present invention; utilize the content fragment playlist to realize; anyly be familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within the protection range of the present invention.
Claims (10)
1. the advertisement insertion method of a content-based burst is characterized in that, this method comprises the steps:
Step 1, content distributing network is divided at least two content fragments with programme content;
Step 2, described content fragment are stored at least one media server of described content distributing network, and the content fragment index server writes down the index information that described content fragment is stored in content distributing network;
Step 3, content distributing network or business management system are inquired about described content fragment index server, obtain the index information of described content fragment, the content fragment playlist of structure program;
Step 4, content distributing network or business management system are inserted described programme content burst playlist with keyed advertising information, generate the content fragment playlist that has keyed advertising information.
2. advertisement insertion method according to claim 1 is characterized in that, in the described step 1, content distributing network is divided at least two content fragments with programme content by fixed size or Fixed Time Interval.
3. advertisement insertion method according to claim 1 and 2, it is characterized in that, in the described step 4, content distributing network or business management system are inserted described programme content burst playlist by Fixed Time Interval or the set time keyed advertising information of naming a person for a particular job, and structure has the content fragment playlist of keyed advertising information.
4. advertisement insertion method according to claim 1, it is characterized in that described content fragment playlist comprises: the time migration that burst numbering, burst uniform resource position mark URL, burst begin with respect to content, burst playing duration, last burst numbering and next burst numbering.
5, a kind of advertisement insertion method of utilizing the described content-based burst of claim 1 is carried out the method for playing programs, it is characterized in that, the content fragment playlist according to having keyed advertising information carries out playing programs.
6. program broadcasting method according to claim 5 is characterized in that this method comprises the steps:
Step 1, terminal obtains the described content fragment playlist that has keyed advertising information from content distributing network or business management system;
To media server request burst content, described media server sends the burst content to terminal, carries out playing programs according to the described content fragment playlist that has keyed advertising information for step 2, terminal.
7. program broadcasting method according to claim 5 is characterized in that this method comprises the steps:
Step 1, network terminal inquire the described content fragment playlist that has keyed advertising information;
Step 2, network terminal are according to the described content fragment playlist that has keyed advertising information, and the notice media server sends the burst content to terminal, carries out playing programs.
8. according to claim 5,6 or 7 each described program broadcasting methods, it is characterized in that, in the playing process, if when terminal F.F. forward or backward or slow-motion, positional information after F.F. or the slow-motion and in progress content fragment positional information are compared, if the position after described F.F. or the slow-motion has navigated to another content fragment, then to the media server request burst content at described another content fragment place, if the position after described F.F. or the slow-motion arrives last burst afterbody, then stop to play.
9. according to claim 5,6 or 7 each described program broadcasting methods, it is characterized in that, in the playing process,, then stop playing flow if the terminal Halfway Stopping is play.
10. device is inserted in the advertisement of a content-based burst, it is characterized in that this device comprises:
Cutting unit is used for programme content is divided at least two content fragments;
Memory cell is used for described content fragment is stored at least one media server of content distributing network, and the content fragment index server writes down the index information that described content fragment is stored in content distributing network;
Structural unit, be used to inquire about described content fragment index server, obtain the index information of described content fragment, the content fragment playlist of structure program, described structural unit is used for keyed advertising information is inserted described programme content burst playlist equally, generates the content fragment playlist that has keyed advertising information.
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