CN103685264A - Method, client side and system for broadcasting media fragmentations in turn - Google Patents
Method, client side and system for broadcasting media fragmentations in turn Download PDFInfo
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- CN103685264A CN103685264A CN201310664166.9A CN201310664166A CN103685264A CN 103685264 A CN103685264 A CN 103685264A CN 201310664166 A CN201310664166 A CN 201310664166A CN 103685264 A CN103685264 A CN 103685264A
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Abstract
The invention discloses a method, a client side and a system for broadcasting media fragmentations in turn. The method includes the steps of obtaining a continuously-updated index list of a server; obtaining the updated index list and discarding the former index list, recording serial numbers of media fragmentations to be downloaded at preset when the former index list is discarded, and recognizing serial numbers of media fragmentations ranked at first broadcasting positions in the updated index list; adding a serial number missing between every two serial numbers when it is judged that the two serial numbers are not the same or continuous, generating corresponding supplementary broadcast addresses of the media fragmentations according to the added serial numbers and recorded serial numbers, combining the supplementary broadcasting addresses and broadcasting addresses in the updated index list in sequence according to corresponding serial numbers to obtain a current index list, and downloading corresponding media fragmentations from the server sequentially according to the broadcasting addresses in the current index list and broadcasting the media fragmentations. According to the method, lagging media fragmentations not requested by the client side can be automatically supplemented, and therefore broadcasting integrality is guaranteed.
Description
Technical field
The application relates to streaming media playing field, is specifically related to a kind of method, client and system of carousel media slicing.
Background technology
HLS(Http live streaming) agreement, the stream media network host-host protocol based on http protocol that Shi You Apple proposes, can realize the live and program request of Streaming Media.Be different from common live streaming media agreement, what carry out that the live client of HLS gets is not a complete data flow, but at server end, up-to-date live data streams is stored as to continuous, long media slicing (MPEG-TS very in short-term, dynamic image expert group-transport stream), client needs constantly download in order and play in order these media slicings, has just realized HLS live.
At present HLS agreement is not supported carousel pattern, live but the form class of carousel pattern is similar to, and the data flow that just server end is play not is live data streams, but well in advance as data such as film, TV play, variety video recordings.Therefore can consider take that the live mode of HLS realizes carousel pattern as basis.
But the broadcast request of live-mode and carousel pattern exists larger difference, utilize that HLS is live realizes the problem that carousel pattern also exists some to solve.For example, carrying out HLS when live, when there is shake in network, the media slicing of client terminal playing often lags behind the media slicing of the up-to-date granting of server end, cannot keep synchronizeing with server end, now client is in order to guarantee live real-time, HLS agreement regulation client will be abandoned the media slicing of the hysteresis of also not playing automatically, and thereby the up-to-date media slicing of play-overing server update is caught up with the media slicing of the up-to-date granting of server fast, in the process of displaying video, there will be jump, jump to fast another time period from a time period.
And for carousel pattern, broadcast request is the integrality that guarantees as far as possible broadcasting, and above-mentioned HLS direct seeding technique is obviously unsuitable for realizing the broadcast request of carousel pattern.But HLS agreement is not supported carousel technology at present, how to tackle the feature that automatically abandons media slicing in stipulate in HLS agreement live, thereby effectively utilize HLS direct seeding technique to realize carousel pattern, just becomes technical problem urgently to be resolved hurrily.
Summary of the invention
The application's technical problem to be solved is to provide a kind of method, client and system of carousel media slicing, to tackle the feature that automatically abandons media slicing in stipulate in HLS agreement live, thereby effectively utilizes HLS direct seeding technique to realize carousel pattern.
In order to address the above problem, the application has disclosed a kind of method of carousel media slicing, comprise: obtain the index list that described server is constantly updated, broadcast address and corresponding unique sequence number wherein, in each index list of upgrading with up-to-date some media slicings of the played in order treated; Obtain the index list of renewal and abandon old index list, the sequence number of record current media slicing to be downloaded while abandoning described old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal; Judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
Further, obtain the operation of the index list of described server continuous renewal, comprise: with the very first time, be spaced apart the cycle and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, wherein, described very first time interval was less than for second time interval.
The carousel sign also in each index list of upgrading further, with described server add in real time; During the carousel of described client in recognizing the index list of described renewal sign, the sequence number of current media slicing to be downloaded when record abandons described old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal.
Further, judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
In order to address the above problem, the application has also disclosed a kind of method of carousel media slicing, it is characterized in that, comprising:
Obtain the index list that described server is constantly updated, wherein, in each index list of upgrading, there is broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated; Obtain the index list of renewal and abandon old index list, the sequence number of record current media slicing to be downloaded while abandoning described old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal; Judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
Further, obtain the operation of the index list of described server continuous renewal, comprise: described client is spaced apart the cycle with the very first time and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, wherein, described very first time interval was less than for second time interval.
The carousel sign also in each index list of upgrading further, with described server add in real time; When the carousel of described client in recognizing the index list of described renewal identifies, be recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list, identify the sequence number that comes the media slicing of first broadcast position in the index list of described renewal.
In order to address the above problem, the application has also disclosed a kind of client of carousel media slicing, comprising: request module, parsing module, logging modle, layout module and acquisition playing module; Described request module, the index list of constantly updating to obtain described server for the request of sending to server, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading; Described parsing module, for obtaining the index list of renewal and abandoning old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal; Described logging modle, the sequence number of current media slicing to be downloaded while abandoning described old index list for being recorded in, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal; Described layout module, for after judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list; Described acquisition playing module, for downloading respective media burst and play to described server according to the broadcast address of described current index list successively.
In order to address the above problem, the application has also disclosed a kind of client of carousel media slicing, comprising: request module, parsing module, logging modle, layout module and acquisition playing module; Described request module, the index list of constantly updating to obtain described server for the request of sending to server, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading; Described parsing module, for obtaining the index list of renewal and abandoning old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal; Described logging modle, the sequence number of current media slicing to be downloaded while abandoning described old index list for being recorded in, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal; Described layout module, for after judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list; Described acquisition playing module, for downloading respective media burst and play to described server according to the broadcast address of described current index list successively.
In order to address the above problem, the application has also disclosed a kind of system of carousel media slicing, comprising: one or more client and servers, and wherein, described client, comprises the client of foregoing carousel media slicing; Described server, for constantly updating index list, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading.
Compared with prior art, the application can obtain and comprise following technique effect:
1) when the media slicing of client terminal playing lags behind the media slicing of the up-to-date granting of server end, automatically augmenting client does not have the media slicing of the hysteresis of request, still keep the media slicing of the up-to-date granting of reception server simultaneously, rely on this mode to form new index list, thereby guaranteed the integrality of playing.
2) client with the very first time be spaced apart the cycle to described server send request to obtain index list, server be take second time interval as the cycle and is upgraded index list, and be set to half of second time interval very first time, can make the frequency of user end to server request index list be greater than the frequency that server self upgrades index list, guaranteed that so on the one hand client can not miss the renewal of server, thereby equally also guaranteed that client can not ask waste to process resource too frequently.
3) client is successively according to the broadcast address in described current index list, to server, download a media slicing plays at every turn, if buffer memory is enough large, can in the media slicing of playing current download, download next media slicing or even lower two media slicings to deal with the delay of obtaining the index list of data or renewal by server causing because of network jitter.
It should be noted that, above technique effect might not reach simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the method flow diagram of the application the first embodiment.
Fig. 2 is the method flow diagram of the application the second embodiment.
Fig. 3 is the method flow diagram of the application the 3rd embodiment.
Fig. 4 is the client terminal structure figure of the application the 4th embodiment.
Fig. 5 is the client terminal structure figure of the application the 5th embodiment.
Fig. 6 is the system architecture diagram of the application the 6th embodiment.
Embodiment
To coordinate drawings and Examples to describe the application's execution mode in detail below, by this application's implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
As used some vocabulary in the middle of specification and claim, censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and electric property coupling means indirectly at this.Therefore, if describe a first device in literary composition, be coupled to one second device, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other devices or the means that couple.Specification subsequent descriptions is for implementing the application's better embodiment, and right described description is to illustrate that the application's rule is object, not in order to limit the application's scope.The application's protection range is when being as the criterion depending on the claims person of defining.
Following media slicing, can be the Streaming Media burst formatted files such as dynamic image expert group-transport stream (MPEG-TS), and the application is not limited to this certainly.
Following broadcast address, can be the network access addresses such as URL(uniform resource locator) (URL), and the application is not limited to this certainly.
embodiment mono-
Carrying out HLS when live, when there is shake in network, the media slicing of client terminal playing often lags behind the media slicing of the up-to-date granting of server end, cannot keep synchronizeing with server end, now client is in order to guarantee live real-time, HLS agreement regulation client will be abandoned the media slicing of the hysteresis of also not playing automatically, thereby and the up-to-date media slicing of play-overing server update is caught up with the media slicing of the up-to-date granting of server fast, in the process of displaying video, there will be jump.
Obviously, the media slicing of the current broadcasting of client and to play-over between the up-to-date media slicing of server update be discontinuous on playing.The application's scheme is considered the client supplementary media slicing that causes discontinuous generation and lack voluntarily, after the media slicing of current broadcasting executes, play supplementary voluntarily media slicing, and then the up-to-date media slicing of Play Server renewal, so just can guarantee the complete broadcasting under carousel pattern.
As shown in Figure 1, the method flow diagram for the application the first embodiment, comprising:
Step S100, the index list that the user end to server request of sending is constantly updated to obtain described server, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading;
Media slicing by with sequence number, identify self and and other media slicings between put in order, so there is corresponding relation in the broadcast address of sequence number itself and media slicing.
Step S102, described client is obtained the index list of renewal and is abandoned old index list, be recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list, identify the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
It should be noted that, while abandoning described old index list, the sequence number of current media slicing to be downloaded is also not download successful media slicing.
Step S104, after described client, judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
While adding the sequence number lacking between described two sequence numbers, because sequence number is generally numeral, specifically according to the Rankine-Hugoniot relations before sequence number, just can obtain the sequence number lacking between two discontinuous sequence numbers.The sequence number simultaneously recording in step S103 is also not download successful media slicing.
Utilize the corresponding relation of the broadcast address of sequence number and media slicing, according to the media slicing of the sequence number adding and the sequence number recording, just can generate and augment accordingly broadcast address; According to putting in order of sequence number, augment broadcast address and will come between the media slicing of current broadcasting and the broadcast address of server latest update.It should be noted that, because not only one of the sequence number adding, a plurality of augmenting between broadcast address also will put in order according to sequence number.
After playing current media slicing, first remove to augment broadcast address downloads of media burst and play, go again afterwards the broadcast address downloads of media burst of server latest update to play.Playing like this integrality is achieved.
embodiment bis-
As shown in Figure 2, the method flow diagram for the application the second embodiment, comprising:
Carrying out HLS when live, when there is shake in network, the media slicing of client terminal playing often lags behind the media slicing of the up-to-date granting of server end, cannot keep synchronizeing with server end, now client is in order to guarantee live real-time, HLS agreement regulation client will be abandoned the media slicing of the hysteresis of also not playing automatically, thereby and the up-to-date media slicing of play-overing server update is caught up with the media slicing of the up-to-date granting of server fast, in the process of displaying video, there will be jump.
Obviously, the media slicing of the current broadcasting of client and to play-over between the up-to-date media slicing of server update be discontinuous on playing.The application's scheme is considered to supplement voluntarily in client the media slicing that causes discontinuous generation and lack, after the media slicing of current broadcasting executes, play supplementary voluntarily media slicing, and then the up-to-date media slicing of Play Server renewal, so just can guarantee the complete broadcasting under carousel pattern.
Step S200, the index list that the user end to server request of sending is constantly updated to obtain described server, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading;
Media slicing by with sequence number, identify self and and other media slicings between put in order, so there is corresponding relation in the broadcast address of sequence number itself and media slicing.
Step S202, described client is obtained the index list of renewal and is abandoned old index list, be recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list, identify the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
It should be noted that, while abandoning described old index list, the sequence number of current media slicing to be downloaded is not download successful media slicing.
Step S204, after described client, judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
Therefore between described two sequence numbers, be continuous, do not lack sequence number, that sequence number recording in S203 is in steps not download successful media slicing, as long as it is just passable to obtain the broadcast address of this media slicing.But described old index list has abandoned, so or needing to generate augments broadcast address.
Utilize the corresponding relation of the broadcast address of sequence number and media slicing, according to the media slicing of recorded sequence number, just can generate and augment accordingly broadcast address; According to putting in order of sequence number, augment broadcast address and will come between the media slicing of current broadcasting and the broadcast address of server latest update.
After playing current media slicing, first remove to augment broadcast address downloads of media burst and play, go again afterwards the broadcast address downloads of media burst of server latest update to play.Playing like this integrality is achieved.
embodiment tri-
As shown in Figure 3, the method flow diagram for the application the 3rd embodiment, comprising:
Step S300, the index list that server is constantly updated, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading.
For the index list of each renewal, can give a sequence number (sequence), this sequence number equals to come in index list unique sequence number of the media slicing of first broadcast position, come the sequence number increase by 1 of deputy media slicing afterwards of first broadcast position, come the sequence number increase by 2 of deputy media slicing afterwards of first broadcast position, according to the regulation index list of HLS agreement, generally can have 3 broadcast address, the application is not limited to this certainly.
Described server is preserved live media library, on-demand media storehouse and carousel media library, deposits corresponding media slicing to be played in each storehouse.
For example, in carousel resources bank, preserve the media slicing of carousel, a plurality of media slicings are combined in order broadcasting and have just been formed a complete video resource, a complete video resource can be a film or a collection TV play, and a plurality of media slicings are combined the order of broadcasting and arranged by the sequence number of each media slicing.
Step S302, when server is chosen media slicing to be played and is constantly generated the index list of renewal from carousel media library, described server is add in real time carousel sign in each index list of upgrading, so that client can read carousel sign when asking to this carousel list, thereby thereby identifying carousel pattern starts corresponding operating.
In actual applications, carousel sign with a symbol be directly added on each broadcast address in index list after.
Described client is spaced apart the cycle with the very first time and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, and wherein, described very first time interval was less than for second time interval.In general, very first time interval equals half of second time interval, the frequency that such value can make user end to server carry out the index list of acquisition request renewal is greater than the frequency that server self upgrades index list, guaranteed that so on the one hand client can not miss the renewal of server, thereby equally also guaranteed that client can not ask waste to process resource too frequently.
Step S304, described client is obtained the index list of renewal and is abandoned old index list, after the carousel sign in being resolved to described old index list, is recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list; During carousel in being resolved to the index list of described renewal sign, obtain the sequence number that comes the media slicing of first broadcast position in the index list of described renewal, described two sequence numbers are compared.
Described client is when getting old index list before, in old index list, generally there are a plurality of broadcast address, according to the regulation of HLS agreement, can there be 3 broadcast address, described client is successively according to the broadcast address in described old index list, to described server, download a media slicing plays at every turn, if buffer memory is enough large, can in the media slicing of playing current download, download next media slicing or even lower two media slicings to deal with the delay of obtaining the index list of data or renewal by server causing because of network jitter.When the carousel in recognizing described old index list identifies, also can constantly be recorded in the sequence number of current media slicing to be downloaded in described old index list and cover record formerly, until finally record the sequence number of current media slicing to be downloaded while abandoning described old index list.
Carousel in recognizing the index list of described renewal starts carousel while identifying processes, and when described client abandons old index list, identifies current expectation and downloads sequence number the record that still also there is no the media slicing of download.Also need to identify the sequence number that comes the media slicing of first broadcast position in the index list of described renewal, the sequence number of the index list of namely described renewal (sequence) simultaneously.
Step S306, after described client, judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, execution step S312.
After described client, judge that described two sequence numbers are unequal and when discontinuous, illustrate between two sequence numbers, to exist out of stockly, for example, between sequence number 3 and sequence number 5, lacked sequence number 4.
At this moment media slicing corresponding to sequence number that recorded also do not downloaded, this does not have the media slicing of downloading, and (media slicing of before having downloaded may be play with the media slicing of having downloaded before, may also not start to play yet, just buffer memory and is waited to broadcast) be obviously continuous, for example sequence number 2 media slicings are downloaded, and the media slicing of sequence number 3 correspondences is not also downloaded, these two media slicings are obviously continuous.
The part lacking between two sequence numbers cannot obtain, at this moment the sequence number lacking can be inferred according to rule, and the sequence number lacking all need to be downloaded guarantee broadcasting continuously with the corresponding media slicing of sequence number of downloading that also do not have recording, according to the sequence number lacking of inferring and the sequence number recording, in conjunction with certain rule, (for example the broadcast address of media slicing is also serial number, according to the difference between the known sequence number of sequence number to be augmented and front and back, the broadcast address that the sequence number known with front and back is corresponding is extrapolated and is augmented broadcast address) generate the broadcast address of augmenting of corresponding media slicing, for example sequence number 2, 3, the index list at 4 places abandons, the sequence number of the index list of upgrading is 5, 6, 7, and the media slicing of sequence number 2 has been downloaded, and the media slicing of sequence number 3 correspondences is not also downloaded, sequence number 5 is first broadcast positions of the index list of renewal, between sequence number 3 and sequence number 5, lacked sequence number 4, therefore between client and server, there is certain deviation, client generates the broadcast address of augmenting of corresponding media slicing according to sequence number 3 and 4, sequence number in conjunction with the index list of upgrading is 5 again, 6, the broadcast address of 7 media slicing forms current index list.
Step S308, after described client, judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, execution step S312.
After described client, judging the unequal but consecutive hours of described two sequence numbers, illustrate between two sequence numbers, not exist out of stockly, for example, is continuous between sequence number 3 and sequence number 4.
At this moment (media slicing of before having downloaded may be play with the media slicing of having downloaded before there is no the media slicing of downloading, may also not start to play yet, just buffer memory and is waited to broadcast) be obviously continuous, as long as the corresponding media slicing of sequence number that also there is no download that download is recorded just can guarantee broadcasting continuously, according to recorded sequence number, in conjunction with certain rule, (for example the broadcast address of media slicing is also serial number, according to the difference between the known sequence number of sequence number to be augmented and front and back, the broadcast address that the sequence number known with front and back is corresponding is extrapolated and is augmented broadcast address) generate the broadcast address of augmenting of corresponding media slicing, for example sequence number 2, 3, the index list at 4 places abandons, the sequence number of the index list of upgrading is 4, 5, 6, and the media slicing of sequence number 2 has been downloaded, and the media slicing of sequence number 3 correspondences is not also downloaded, sequence number 4 is first broadcast positions of the index list of renewal, different but continuous between sequence number 3 and sequence number 4, therefore between client and server, there is certain deviation, client generates the broadcast address of augmenting of corresponding media slicing according to sequence number 3, sequence number in conjunction with the index list of upgrading is 4 again, 5, the broadcast address of 6 media slicing forms new index list.
Step S310, judges after described client when described two sequence numbers equate, using the index list of described renewal as current index list, and execution step S312.
After described client, judge that described two sequence numbers equate, illustrate between two sequence numbers, do not exist out of stock, for example sequence number 2, 3, the index list at 4 places abandons, the sequence number of the index list of upgrading is 3, 4, 5, and the media slicing of sequence number 2 has been downloaded, and the media slicing of sequence number 3 correspondences is not also downloaded, sequence number 3 is first broadcast positions of the index list of renewal, also there is no the sequence number of the first broadcast position of the sequence number of download and the index list of renewal is all 3, illustrate that now client and server do not have deviation, renewal is synchronous, the index list of the described renewal obtaining from server is exactly current index list.
Step S312, downloads respective media burst according to the broadcast address in described current index list to described server successively and plays.
Described client is successively according to the broadcast address in described current index list, to described server, download a media slicing plays at every turn, if buffer memory is enough large, can in the media slicing of playing current download, download next media slicing or even lower two media slicings to deal with the delay of obtaining the index list of data or renewal by server causing because of network jitter.For example, current index list comprises that sequence number is 3,4,5,6,7 media slicing, the client broadcast address whereabouts server downloads of media burst corresponding according to these sequence numbers successively, until client receives again the index list of renewal, redirect execution step S304.
embodiment tetra-
As shown in Figure 4, be the client terminal structure figure of the application the 4th embodiment.The client of carousel media slicing, comprising: request module 400, parsing module 420, logging modle 440, the first layout module 460 and acquisition playing module 480;
Described request module 400, for the index list that the request of sending is constantly updated to obtain described server to server, broadcast address and corresponding unique sequence number wherein, in each index list of upgrading with up-to-date some media slicings of the played in order treated;
Described parsing module 420, couples with request module 400, for obtaining the index list of renewal and abandoning old index list, and Notification Record module 440 while being resolved to the index list of described renewal and the sign of the carousel in described old index list;
Described logging modle 440, couple with parsing module 420, for after being resolved to the carousel sign of described old index list, be recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list, during carousel in being resolved to the index list of described renewal sign, obtain the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Described the first layout module 460, couple with parsing module 420 and logging modle 440 respectively, for after judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list;
Described acquisition playing module 480, couples with the first layout module 460, for downloading respective media burst and play to described server according to the broadcast address of described current index list successively.
Described request module 400, is further used for being spaced apart the cycle with the very first time and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, and wherein, described very first time interval was less than for second time interval.
Described parsing module 420, the carousel in the index list of each renewal of obtaining with described server add in real time identifies.
Described acquisition playing module 480, be further used for successively according to the broadcast address in described current index list or in old index list, to described server, download a media slicing plays at every turn, if buffer memory is enough large, can in the media slicing of playing current download, download next media slicing or even lower two media slicings to deal with the delay of obtaining the index list of data or renewal by server causing because of network jitter.
Described logging modle 440, while being further used for the carousel sign in recognizing described old index list, constantly be recorded in the sequence number of current media slicing to be downloaded in described old index list and cover record formerly, until finally record the sequence number of current media slicing to be downloaded while abandoning described old index list.
Described the first layout module 460, also for after judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list.
Described the first layout module 460, also for after while judging that described two sequence numbers equate, using the index list of described renewal as current index list.
Above weak point reference example one and embodiment tri-.
embodiment five
As shown in Figure 5, be the client terminal structure figure of the application the 5th embodiment.The client of carousel media slicing, comprising: request module 500, parsing module 520, logging modle 540, the second layout module 560 and acquisition playing module 580;
Described request module 500, for the index list that the request of sending is constantly updated to obtain described server to server, broadcast address and corresponding unique sequence number wherein, in each index list of upgrading with up-to-date some media slicings of the played in order treated;
Described parsing module 520, couples with request module 500, for obtaining the index list of renewal and abandoning old index list, and Notification Record module 540 while being resolved to the index list of described renewal and the sign of the carousel in described old index list;
Described logging modle 540, couple with parsing module 520, for after being resolved to the carousel sign of described old index list, be recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list, during carousel in being resolved to the index list of described renewal sign, obtain the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Described the second layout module 560, couple with parsing module 520 and logging modle 540 respectively, for after judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list;
Described acquisition playing module 580, couples with the second layout module 560, for downloading respective media burst and play to described server according to the broadcast address of described current index list successively.
Described request module 500, is further used for being spaced apart the cycle with the very first time and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, and wherein, described very first time interval was less than for second time interval.
Described parsing module 520, the carousel in the index list of each renewal of obtaining with described server add in real time identifies.
Described acquisition playing module 580, be further used for successively according to the broadcast address in described current index list or in old index list, to described server, download a media slicing plays at every turn, if buffer memory is enough large, can in the media slicing of playing current download, download next media slicing or even lower two media slicings to deal with the delay of obtaining the index list of data or renewal by server causing because of network jitter.
Described logging modle 540, while being further used for the carousel sign in recognizing described old index list, constantly be recorded in the sequence number of current media slicing to be downloaded in described old index list and cover record formerly, until finally record the sequence number of current media slicing to be downloaded while abandoning described old index list.
Described the second layout module 560, also for after while judging that described two sequence numbers equate, using the index list of described renewal as current index list.
Above weak point reference example two and embodiment tri-.
embodiment six
As shown in Figure 6, the system architecture diagram for the application the 6th embodiment, comprising: one or more clients 600 and server 620, wherein,
Described client 600, comprises the client of the carousel media slicing shown in Fig. 4 or Fig. 5, and reference example four and five, does not repeat them here.Described client can be Web TV, panel computer, PC, Internet video player (network machine top box), mobile phone etc., and the application is not limited to this.
Described server 620, for constantly updating index list, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading.
Described server 620 can be given a sequence number (sequence) for the index list of each renewal, this sequence number equals to come in index list unique sequence number of the media slicing of first broadcast position, come the sequence number increase by 1 of deputy media slicing afterwards of first broadcast position, come the sequence number increase by 2 of deputy media slicing afterwards of first broadcast position, according to the regulation index list of HLS agreement, generally can have 3 broadcast address, the application is not limited to this certainly.
In described server 620, preserve live media library, on-demand media storehouse and carousel media library, in each storehouse, deposit corresponding media slicing to be played.For example, in carousel resources bank, preserve the media slicing of carousel, a plurality of media slicings are combined in order broadcasting and have just been formed a complete video resource, a complete video resource can be a film or a collection TV play, and a plurality of media slicings are combined the order of broadcasting and arranged by the sequence number of each media slicing.
When described server 620 is chosen media slicing to be played and is constantly generated the index list of renewal from carousel media library, described server is add in real time carousel sign in each index list of upgrading, so that client can read carousel sign when asking to this carousel list, thereby start corresponding operating thereby identify carousel pattern, in actual applications, carousel sign with a symbol be directly added on each broadcast address in index list after.
Above weak point reference example three, embodiment tetra-and embodiment five.
application example
Server is the Broadcast Control server of the video resource set up of certain Web Video Service business, in this Broadcast Control server, supports HLS agreement, and support to make based on HLS agreement as carousel pattern configurations that above embodiment carried out; Client is the Web TV of certain brand of this Web Video Service business release, and each module described in above embodiment is installed in this Web TV.
In server, preserve live media library, on-demand media storehouse and carousel media library, server is current just in live certain football race, in live media library, preserve according to the media slicing of described broadcasting real-time manufacturing, and provide index list by HLS live-mode, Web TV is watched this football race by upgrading this index list, but affected by bad network condition, this Web TV cannot keep synchronizeing with server, thereby constantly by abandoning media slicing, catch up with fast the live of server, the picture jumping is very bad to user's impression.
User operates this Web TV converted channel and starts to watch certain carousel collection of TV plays ABC.If do not rely on the application's scheme, during this collection of TV plays of carousel ABC, also there will be the broadcasting pictures of the jump frame losing as live football race.But utilize after the application's scheme, first, server be take 20 seconds as the index list of cycle according to the media slicing continuous renewal of this collection of TV plays ABC, according to HLS agreement, in current up-to-date index list 1, there is broadcast address URL2, URL3, URL4 and the corresponding sequence number 2,3,4 of three up-to-date media slicings of this collection of TV plays ABC of the played in order treated.Server adds carousel sign t after the broadcast address URL in index list 1 in real time.Index list 1 sequence number (sequence) equals to come in index list 1 sequence number of the URL2 of first broadcast position, and follow-up URL3, URL4 add in turn once inferring that sequence number is 3 and 4.
Client gets above-mentioned index list 1, successively according to the broadcast address in index list 1, first to the media slicing of server download URL 2-t, play, when the media slicing of URL2-t is play, client is prepared to the media slicing of server download URL 3-t again.In addition, during the broadcast address of client in reading index list 1, recognize carousel sign t, know that current index list is carousel pattern, now need to be constantly recorded in the sequence number of current media slicing to be downloaded in described old index list and cover record formerly.Client, when as above operating according to index list 1, also take the index list of upgrading as the cycle to server request for 10 seconds.
Server has successively produced according to the media slicing of this collection of TV plays ABC the index list 2,3 and 4 of upgrading, according to HLS agreement, in index list 2, there is broadcast address URL3, URL4, URL5 and the corresponding sequence number 3,4,5 of three up-to-date media slicings of this collection of TV plays ABC of the played in order treated; Broadcast address URL4, URL5, URL6 and the corresponding sequence number 4,5,6 of three up-to-date media slicings in index list 3 with this collection of TV plays ABC of the played in order treated; Broadcast address URL5, URL6, URL7 and the corresponding sequence number 5,6,7 of three up-to-date media slicings in index list 4 with this collection of TV plays ABC of the played in order treated.Server adds carousel sign t after the broadcast address URL in index list 2,3 and 4 in real time.Index list 2 sequence numbers (sequence) equal to come in index list 2 sequence number of the URL3 of first broadcast position, index list 3 sequence numbers (sequence) equal to come in index list 3 sequence number of the URL4 of first broadcast position, and index list 4 sequence numbers (sequence) equal to come in index list 4 sequence number of the URL5 of first broadcast position.
Now be subject to the impact of network jitter, client does not get index list 2 and 3, only after a while, got up-to-date index list 4, at this moment according to HLS agreement, need to abandon old index list 1, when abandoning index list 1, the sequence number of the media slicing URL3 current to be downloaded of last record is 3.
During the broadcast address of client in reading up-to-date index list 4, recognize carousel sign t, in the up-to-date index list 4 of automatic acquisition, come the sequence number 5 of the media slicing URL5 of first broadcast position, to coming the sequence number 5 of first broadcast position in the sequence number 3 of last record when abandoning index list 1 and index list 4, compare:
Obviously sequence number 3 and sequence number 5 are unequal and discontinuous, generate the broadcast address of augmenting of corresponding media slicing according to the sequence number 4 lacking between described two sequence numbers and the sequence number 3 that records.Because the sequence number of URL5 is 5, and the sequence number of URL2 is 2, therefore according to this rule, can infer, the broadcast address of sequence number 3 is URL3, and the broadcast address of sequence number 4 is URL4, and URL3 and URL4 augment broadcast address exactly.
By described broadcast address URL5, URL6, the URL7 augmenting in broadcast address URL3, URL4 and up-to-date index list 4, according to corresponding sequence number, carry out sequential combination and obtain current index list, now in current index list, do not follow the broadcast address of only having three up-to-date media slicings in HLS agreement, but according to actual conditions, deposit the broadcast address of the up-to-date media slicing of respective numbers.
Client, successively according to the broadcast address in described current index list, is downloaded a media slicing to described server at every turn and is play, until client receives again the index list of renewal.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make to comprise that the commodity of a series of key elements or system not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as this commodity or the intrinsic key element of system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within and comprise in the commodity of described key element or system and also have other identical element.
Above-mentioned explanation has illustrated and has described some preferred embodiments of the application, but as previously mentioned, be to be understood that the application is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the spirit and scope that the change that those skilled in the art carry out and variation do not depart from the application, all should be in the protection range of the application's claims.
Claims (10)
1. a method for carousel media slicing, is characterized in that, comprising:
Obtain the index list that described server is constantly updated, wherein, in each index list of upgrading, there is broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated;
Obtain the index list of renewal and abandon old index list, the sequence number of record current media slicing to be downloaded while abandoning described old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
2. the method for claim 1, is characterized in that, obtains the operation of the index list of described server continuous renewal, further comprises:
With the very first time, be spaced apart the cycle and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, wherein, described very first time interval was less than for second time interval.
3. the method for claim 1, is characterized in that,
The carousel sign also in each index list of upgrading with described server add in real time;
During the carousel of described client in recognizing the index list of described renewal sign, the sequence number of current media slicing to be downloaded when record abandons described old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal.
4. the method for claim 1, is characterized in that,
Judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
5. a method for carousel media slicing, is characterized in that, comprising:
Obtain the index list that described server is constantly updated, wherein, in each index list of upgrading, there is broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated;
Obtain the index list of renewal and abandon old index list, the sequence number of record current media slicing to be downloaded while abandoning described old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list, according to the broadcast address in described current index list, to described server, download respective media burst successively and play.
6. method as claimed in claim 5, is characterized in that, obtains the operation of the index list of described server continuous renewal, further comprises:
Described client is spaced apart the cycle with the very first time and to obtain described server, take the index list that second time interval as the cycle upgrades to the request of sending of described server, and wherein, described very first time interval was less than for second time interval.
7. method as claimed in claim 5, is characterized in that,
The carousel sign also in each index list of upgrading with described server add in real time;
When the carousel of described client in recognizing the index list of described renewal identifies, be recorded in the sequence number of current media slicing to be downloaded while abandoning described old index list, identify the sequence number that comes the media slicing of first broadcast position in the index list of described renewal.
8. a client for carousel media slicing, is characterized in that, comprising: request module, parsing module, logging modle, layout module and acquisition playing module;
Described request module, the index list of constantly updating to obtain described server for the request of sending to server, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading;
Described parsing module, for obtaining the index list of renewal and abandoning old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Described logging modle, the sequence number of current media slicing to be downloaded while abandoning described old index list for being recorded in, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Described layout module, for after judge that described two sequence numbers are unequal and when discontinuous, add the sequence number lacking between described two sequence numbers, according to the sequence number of described interpolation and the sequence number that records, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list;
Described acquisition playing module, for downloading respective media burst and play to described server according to the broadcast address of described current index list successively.
9. a client for carousel media slicing, is characterized in that, comprising: request module, parsing module, logging modle, layout module and acquisition playing module;
Described request module, the index list of constantly updating to obtain described server for the request of sending to server, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading;
Described parsing module, for obtaining the index list of renewal and abandoning old index list, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Described logging modle, the sequence number of current media slicing to be downloaded while abandoning described old index list for being recorded in, identifies the sequence number that comes the media slicing of first broadcast position in the index list of described renewal;
Described layout module, for after judge the unequal but consecutive hours of described two sequence numbers, according to recorded sequence number, generate the broadcast address of augmenting of corresponding media slicing, and the broadcast address in the described index list of augmenting broadcast address and described renewal is carried out to sequential combination according to corresponding sequence number obtain current index list;
Described acquisition playing module, for downloading respective media burst and play to described server according to the broadcast address of described current index list successively.
10. a system for carousel media slicing, is characterized in that, comprising: one or more client and servers, wherein,
Described client, comprises the client of carousel media slicing as claimed in claim 8 or 9;
Described server, for constantly updating index list, wherein, has broadcast address and corresponding unique sequence number of up-to-date some media slicings of the played in order treated in each index list of upgrading.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664166.9A CN103685264A (en) | 2013-12-06 | 2013-12-06 | Method, client side and system for broadcasting media fragmentations in turn |
| PCT/CN2014/093188 WO2015081893A1 (en) | 2013-12-06 | 2014-12-05 | Media fragment rotation method, client and system |
| US15/102,268 US20170013037A1 (en) | 2013-12-06 | 2014-12-05 | Media fragment rotation method, client and system |
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| CN201310664166.9A CN103685264A (en) | 2013-12-06 | 2013-12-06 | Method, client side and system for broadcasting media fragmentations in turn |
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| WO2015081893A1 (en) * | 2013-12-06 | 2015-06-11 | 乐视致新电子科技（天津）有限公司 | Media fragment rotation method, client and system |
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