CN102170584A - Method, device and system for playing media between synchronic HS (HTTP (HyperText Transfer Protocol) Streaming) terminal equipment - Google Patents
Method, device and system for playing media between synchronic HS (HTTP (HyperText Transfer Protocol) Streaming) terminal equipment Download PDFInfo
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- CN102170584A CN102170584A CN2011100608579A CN201110060857A CN102170584A CN 102170584 A CN102170584 A CN 102170584A CN 2011100608579 A CN2011100608579 A CN 2011100608579A CN 201110060857 A CN201110060857 A CN 201110060857A CN 102170584 A CN102170584 A CN 102170584A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
Abstract
The invention discloses a method, device and system for playing a media between synchronic HS (HTTP (HyperText Transfer Protocol) Streaming) terminal equipment. The method comprises the following steps: receiving the synchronic status information transmitted by terminal equipment according to synchronic configuration; determining a synchronic setting parameter according to the synchronic status information; and transmitting a synchronic indication containing the synchronic setting parameter to the terminal equipment, so that the terminal equipment can play the media according to the synchronic indication. The device comprises a first receiving module for receiving the synchronic status information transmitted by the receiving terminal equipment according to the synchronic configuration, a first determination module for determining the synchronic setting parameter according to the synchronic status information, and a first transmitting module for transmitting the synchronic indication containing the synchronic setting parameter to the terminal equipment. In the method, the device and the system, disclosed by the invention, as the adjustment of media stream playing speed and/or media stream playing time is carried out to the HS terminal equipment, the media among a plurality of the HS terminal equipment which are commonly watched can be synchronically played, and further the use experience of commonly watching business can be improved.
Description
Technical field
The present invention relates to the communications field, particularly synchronous methods, devices and systems of media play between the HS terminal equipment in the communications field.
Background technology
Social TV (Social TV) is the focus of current TV development, is chosen as one of 2010 years, ten big innovative technologies by Massachusetts Polytechnics technical forum (MIT Technology Review).An important service is called " good friend watches (Watching apart together) jointly " in the social TV, by this business, a plurality of users from different places can watch identical channel or program, can also exchange mutually by text, voice even video simultaneously, thus the scene that a group good friend watches program happy and harmoniously in the simulates real real environment.
The image content of playing on each terminal equipment of this business need is synchronous, particularly when watching sports tournament or guess class program, if the playing progress rate difference between the user who watches jointly, this interchange that will greatly influence between the user is experienced so.For example, when a user hails for goal, if because the difference of playing progress rate, what another user saw is that the sportsman is trying for a goal, this will cause both interchanges to experience poor so.
As a kind of host-host protocol of audio-video frequency media, the HTML (Hypertext Markup Language) streaming is downloaded a kind of development trend that (HTTP (HyperText Transfer Protocol) streaming abbreviates " HS " as) becomes nearest Streaming Media industry just gradually.
In HTTP streaming system, terminal equipment at first obtains media exhibition descriptor (Media Presentation Description, abbreviate " MPD " as) tabulation, again according to URL(uniform resource locator) (the Uniform Resource Locator of the burst among the MPD, abbreviate " URL " as) information request content corresponding burst, begin playing media thus.But, watching between the HS terminal equipment of same program, may cause the broadcast of medium asynchronous owing to playing the time-delay difference, watch professional user experience jointly thereby have a strong impact on.
Summary of the invention
For this reason, the embodiment of the invention provides the method and apparatus of media play between a kind of synchronous HS terminal equipment, can realize keeping synchronously between a plurality of HS terminal equipments of watching jointly, watches professional user experience jointly thereby can promote.
On the one hand, the embodiment of the invention provides the method for media play between a kind of synchronous HS terminal equipment, and this method comprises: receive the Synchronization Status Message that this terminal equipment sends according to configuration synchronously; Determine to be provided with synchronously parameter according to this Synchronization Status Message; Comprise that to this terminal equipment transmission this is provided with the synchronous indication of parameter synchronously, so that this terminal equipment is according to these medium of indication broadcast synchronously.
On the other hand, the embodiment of the invention provides the method for media play between a kind of synchronous HS terminal equipment, and this method comprises: according to synchronous configuration, send Synchronization Status Message to this server; Receive the synchronous indication that this server sends, this indication synchronously comprises that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined; Play these medium according to this indication synchronously.
Again on the one hand, the embodiment of the invention provides a kind of server that is used for media play between the synchronous HS terminal equipment, this server comprises: first receiver module, first determination module and first sending module, and wherein this first receiver module is used to receive the Synchronization Status Message that this terminal equipment sends according to configuration synchronously; This first determination module is used for determining to be provided with synchronously parameter according to this Synchronization Status Message; This first sending module is used for comprising that to this terminal equipment transmission this is provided with the synchronous indication of parameter synchronously.
Again on the one hand, the embodiment of the invention provides a kind of terminal equipment that is used for media play between the synchronous HS terminal equipment, this terminal equipment comprises: first sending module, first receiver module and playing module, wherein this first sending module is used for sending Synchronization Status Message according to configuration synchronously to this server; This first receiver module is used to receive the synchronous indication that this server sends, and this indication synchronously comprises that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined; This playing module is used for playing these medium according to indication synchronously.
On the one hand, the embodiment of the invention provides a kind of system that is used for media play between the synchronous HS terminal equipment again, and this system comprises according to the server of the embodiment of the invention and terminal equipment.This server comprises: first receiver module, first determination module and first sending module, and wherein this first receiver module is used to receive the Synchronization Status Message that this terminal equipment sends according to configuration synchronously; This first determination module is used for determining to be provided with synchronously parameter according to this Synchronization Status Message; This first sending module is used for comprising that to this terminal equipment transmission this is provided with the synchronous indication of parameter synchronously.This terminal equipment comprises: first sending module, first receiver module and playing module, and wherein this first sending module is used for sending Synchronization Status Message according to configuration synchronously to this server; This first receiver module is used to receive the synchronous indication that this server sends, and this indication synchronously comprises that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined; This playing module is used for playing these medium according to indication synchronously.
Methods, devices and systems according to the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use in the embodiment of the invention below, apparently, below described accompanying drawing only be some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram according to the method for media play between the synchronous HS terminal equipment of the embodiment of the invention;
Fig. 2 is the schematic diagram of the method for media play between the synchronous according to another embodiment of the present invention HS terminal equipment;
Fig. 3 is the schematic diagram of the method for media play between according to yet another embodiment of the invention the synchronous HS terminal equipment;
Fig. 4 is the schematic diagram of the method for media play between according to yet another embodiment of the invention the synchronous HS terminal equipment;
Fig. 5 is the sequential chart that adds the program of watching according to the invitation good friend of the embodiment of the invention;
Fig. 6 is a HTML (Hypertext Markup Language) streaming data downloaded structural representation;
Fig. 7 is the sequential chart of the program of inviting the good friend to add according to another embodiment of the present invention also not begin;
Fig. 8 is the sequential chart that initiatively adds the program that synchronization group watching according to yet another embodiment of the invention;
Fig. 9 is the schematic diagram that is used for the server of media play between the synchronous HS terminal equipment according to the embodiment of the invention;
Figure 10 is the schematic diagram that is used for the server of media play between the synchronous HS terminal equipment according to another embodiment of the present invention;
Figure 11 is the schematic diagram that is used for the terminal equipment of media play between the synchronous HS terminal equipment according to the embodiment of the invention;
Figure 12 is the schematic diagram that is used for the terminal equipment of media play between the synchronous HS terminal equipment according to another embodiment of the present invention;
Figure 13 is the schematic diagram that is used for the system of media play between the synchronous HS terminal equipment according to the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work should belong to the scope of protection of the invention.
Fig. 1 shows the schematic diagram according to the method 100 of media play between the synchronous HS terminal equipment of the embodiment of the invention.As shown in Figure 1, this method 100 comprises:
In S110, server receives the Synchronization Status Message that the HS terminal equipment sends according to configuration synchronously.This Synchronization Status Message determined according to configuration synchronously that this configuration synchronously was used to define the configuration parameter that the HS terminal equipment is watched operation synchronously, and for example synchronous time started etc., the HS terminal equipment can correctly be carried out simultaneous operation according to this configuration parameter.
Alternatively, this synchronous configuration can comprise any configuration parameter in synchronizing cycle, synchronous time started, play start time and the broadcast original position, wherein refers to carry out between the HS terminal equipment cycle of simultaneous operation this synchronizing cycle.For example, this synchronous configuration can only comprise synchronizing cycle, and that rises different thus HS terminal equipments constantly receiving synchronous configuration, can carry out synchronously according to the identical cycle, thereby realize the synchronous of media play.This synchronous configuration also can comprise the combination in any of above-mentioned configuration parameter, and for example, this synchronous configuration can comprise synchronizing cycle and synchronous time started, can realize the synchronous of media play equally.
In S120, server determines to be provided with synchronously parameter according to this Synchronization Status Message.After server is received the Synchronization Status Message of HS terminal equipment transmission, according to the definite parameter that the HS terminal equipment is provided with synchronously of this Synchronization Status Message, parameter promptly is set synchronously, be convenient to the HS terminal equipment and according to this parameter be set synchronously media play is adjusted, thus realize media play synchronously.
Alternatively, this is provided with parameter synchronously can comprise playout-delay time or broadcast F.F. time, wherein this playout-delay time is used to time of indicating the HS terminal equipment to postpone to play, and this broadcast F.F. time is used to indicate the time that the HS terminal equipment should fast-forward play.Alternatively, this is provided with the position that parameter can also comprise that synchronization should be play synchronously, NTP (Network Time Protocol) (Network Time Protocol for example, abbreviate " NTP " as) time and represent time (Composition Time, abbreviate " CT " as), be used to indicate the at the appointed time medium of point (being the value of NTP parameter) broadcast assigned address (being the value of CT parameter) of HS terminal equipment.
For example, when a HS terminal equipment is play when fast than the 2nd HS terminal equipment, server can be determined the time that HS terminal equipment broadcast should postpone, server also can determine the 2nd HS terminal equipment play should F.F. time, in addition, server also can be determined a HS terminal equipment and the 2nd HS terminal equipment in the position that synchronization should be play, thereby can realize the synchronous of media play.
In S130, server sends to this terminal equipment and comprises that this is provided with the synchronous indication of parameter synchronously, so that this terminal equipment is play these medium according to indication synchronously.After the Synchronization Status Message that server sends according to the HS terminal equipment is determined synchronously parameter to be set, server can send indication synchronously to this terminal equipment, indication synchronously comprises that this is provided with parameter synchronously, this terminal equipment can be adjusted broadcasting speed, time etc. according to giving to indicate synchronously thus, thereby realizes the synchronous of media play.Alternatively, server can send indication synchronously to the HS terminal equipment by the form of http response.
The method of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
In embodiments of the present invention, configuration synchronously can be stored in each HS terminal equipment in advance, also can send to the HS terminal equipment by server.Thereby before the server receiving terminal apparatus was according to the Synchronization Status Message that synchronously configuration sends, can also comprise according to the method 100 of the embodiment of the invention: server sent configuration synchronously to this terminal equipment.Alternatively, server sends configuration synchronously according to the request of HS terminal equipment to the HS terminal equipment, and server can send configuration synchronously to this HS terminal equipment by the response message that this request is responded.Alternatively, server can also be by the synchronous indication that sends to the HS terminal equipment, sends synchronous configuration after upgrading to the HS terminal equipment, i.e. this synchronous indication can comprise parameter is set synchronously and upgrade after should dispose synchronously.
Alternatively, server can carry out authentication process to this HS terminal equipment earlier after the request that receives the transmission of HS terminal equipment, just send synchronous configuration for the HS terminal equipment by authentication, as shown in Figure 2.
Fig. 2 shows according to another embodiment of the present invention the schematic diagram of the method 200 of media play between the HS terminal equipment synchronously.This method 200 comprises:
S210, server receives the synchronous initiation request that the HS terminal equipment sends.This synchronous initiation request can be carried the group number of synchronization group, and wants synchronous content identification.Create a synchronization group if desired, can make the synchronization group assignment so is zero, is used for synchronous group number of expression application.Alternatively, this synchronous initiation request can be adopted the form of HTTP request message.
S220, server determine that this terminal equipment passes through authentication.For example, Terminal Equipment Identifier or user ID that server can carry according to terminal equipment are judged whether the user has to watch professional authority synchronously; Similarly, server also can identify according to the synchronizing content that terminal equipment carries, and judges whether this user has the authority of watching this content.
S230, the synchronous initiation response message of server by this synchronous initiation request is responded sends configuration synchronously to this terminal equipment.By after the authentication, server sends configuration synchronously by the synchronous initiation response message to terminal equipment at terminal equipment.If the HS terminal equipment also asks to create a synchronization group, synchronous group number of server-assignment, and server so can send to the HS terminal equipment with synchronous group number with synchronous configuration by the form of http response message.
S240, server receive the Synchronization Status Message that this terminal equipment sends according to configuration synchronously.
S250, server determines to be provided with synchronously parameter according to this Synchronization Status Message.
S260, server send to this terminal equipment and comprise that this is provided with the synchronous indication of parameter synchronously, so that this terminal equipment is according to indicating playing media synchronously.
The method of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
Fig. 3 shows the schematic diagram of the method 300 of media play between according to yet another embodiment of the invention the synchronous HS terminal equipment.As shown in Figure 3, this method 300 comprises:
In S310, the HS terminal equipment sends Synchronization Status Message by configuration synchronously to server.This synchronous configuration can obtain to server requests by the HS terminal equipment, also can directly be sent and be obtained by server, can also be inquired about on this machine and is obtained by the HS terminal equipment.According to this synchronous configuration, the HS terminal equipment can report Synchronization Status Message to server.
In embodiments of the present invention, Synchronization Status Message can comprise current broadcast situation, also can comprise current broadcast preparation.Alternatively, this current broadcast situation comprises current broadcast point position and current network time protocol time, and wherein this current broadcast point position refers to the relative time that current broadcast point begins apart from medium, or the absolute time of current broadcast point.For request program, this current broadcast point position can be current playing media with respect to the time that represents of the starting point of these medium; And for programme televised live, this current broadcast point position can be the absolute time of current broadcast point.This current broadcast preparation comprises HS terminal equipment reception condition, buffering situation etc.
In S320, the synchronous indication that HS terminal equipment reception server sends, this indication synchronously comprise that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined.
In embodiments of the present invention, this synchronous configuration can comprise in synchronizing cycle, synchronous time started, play start time and the broadcast original position at least, this Synchronization Status Message can comprise current broadcast situation or current broadcast preparation, this current broadcast situation comprises current broadcast point position and current NTP time, this is provided with the position that parameter can comprise that playout-delay time or broadcast F.F. time or synchronization should play synchronously, this synchronous indication can comprise that this is provided with parameter synchronously, can also comprise the configuration synchronously after the renewal.
In S330, the HS terminal equipment is play these medium according to indication synchronously.
The method of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
Alternatively, according to configuration is before server sends Synchronization Status Message synchronously, this method 300 can also comprise at terminal equipment: the synchronous configuration that the terminal equipment reception server sends.Alternatively, the synchronous configuration of terminal equipment reception server transmission can comprise: terminal equipment sends the synchronous initiation request to server; The configuration synchronously that the terminal equipment reception server sends by the synchronous initiation response message, this synchronous initial communication message responds described synchronous initiation request.Alternatively, according to configuration is before server sends Synchronization Status Message synchronously, this method 300 can also comprise at terminal equipment: terminal equipment is according to configuration synchronously, the current broadcast point position of computing medium.
Fig. 4 shows the schematic diagram of the method 400 of media play between according to yet another embodiment of the invention the synchronous HS terminal equipment.As shown in Figure 4, method 400 comprises:
S410, the HS terminal equipment sends the synchronous initiation request to server, and this synchronous initiation request can comprise the group number of synchronization group and the sign of synchronizing content;
S420, HS terminal equipment receive the synchronous configuration that this server sends by the synchronous initiation response message, and this synchronous initial communication message responds this synchronous initiation request;
S430, the HS terminal equipment disposes according to being somebody's turn to do synchronously, the current broadcast point position of calculating these medium, wherein this current broadcast point position can comprise the absolute time that represent time or current broadcast point of these medium of current broadcast with respect to the starting point of these medium;
S440, HS terminal equipment send Synchronization Status Message according to this current broadcast point position to this server;
S450, HS terminal equipment receive the synchronous indication that this server sends, and this indication synchronously comprises that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined;
S460, the HS terminal equipment is play these medium according to indication synchronously.
Thereby the method for the embodiment of the invention, can realize keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
To be example hereinafter with several frequently seen scene in the life, method according to media play between the synchronous HS terminal equipment of the embodiment of the invention is described, the scene of the program of for example inviting the good friend to add to watch, invite the good friend to add the scene of the program that does not also begin and initiatively add the scene of the program that synchronization group watching.
Fig. 5 shows and is inviting the good friend to add under the scene of the program of watching, according to the sequential chart of the method 500 of media play between the synchronous HS terminal equipment of the embodiment of the invention.As shown in Figure 5, being watched the program in the broadcast with invited party UE1 invitation jointly by the side of inviting UE2 is that example describes, suppose that UE1 and UE2 belong to the IPTV user of Nanjing telecommunications, and all adopt set-top box to watch TV, wherein UE1 is watching channel CCTV-1, and UE2 receives also to add after the invitation and watches channel CCTV-1.
In S501, the user of the main side of inviting UE1 is watching channel CCTV-1, thinks that current channel is pretty good, so select choices from menus " with seeing invitation ", and the sign (ID) of object UE2 is invited in input.
In S502, UE1 creates a synchronization group by sending synchronous initiation request (HTTP request) to synchronization server, content identification (ContentID) and synchronous group number (SyncGroupID) parameter of wanting synchronous carried in this synchronous initiation request, wherein the tax of SyncGroupID value is 0, is used for to synchronous group number of synchronization server application.
In S503, synchronization server distributes a synchronous group number, specifies synchronous time started, synchronizing cycle, and issues these initial configuration by http response message.
In S504, UE1 needs to calculate decode time (the Decode Time of each media sample (Sample) in playing process, abbreviate " DT " as) and CT (representing the time), after synchronization group is created successfully, UE1 just can report Synchronization Status Message to synchronization server according to initial configuration, wherein this Synchronization Status Message comprises the CT and the current NTP time of current playing media sampling, and can adopt the form of HTTP request message to report.
In S505, if UE2 does not finish the operation that adds synchronization group as yet, server provides the indication of " by inviting terminal not add as yet " so; On the other hand, if UE2 has added synchronization group, server calculates their reproduction time difference according to UE1 that receives and the Synchronization Status Message of UE2 so, thereby determines the playout-delay time that UE1 should carry out.This synchronous indication can issue by the form of http response.
In S506, UE1 sends invitation message to UE2, and this invitation message can be carried the address of synchronous group number, the content identification of watching jointly and synchronization server.
In S507, UE2 gives user prompt after receiving this invitation message, waits for user's's " reception " affirmation operation.
In S508, after the user confirmed, UE2 returned to UE1 and agrees response.
In S509, UE2 sends the request that adds this synchronization group to synchronization server, and following parameter is carried in this request: content identification, synchronous group number and Termination ID (or user ID).
In S510, synchronization server is verified this terminal use UE2, watch the power back to work out configuration synchronously at definite UE2, this synchronous configuration can comprise synchronous group number, synchronizing cycle, synchronous time started, play starting point, wherein the synchronizing cycle of UE2 and UE1's is identical, the interval of the synchronous time started of time started and UE1 can be the multiple of synchronizing cycle synchronously, plays starting point and then can estimate according to the broadcast situation that UE1 has reported.Similarly, server can issue this initial configuration by http response message.
In S511, after UE2 successfully adds synchronization group, media exhibition descriptor (the Media Presentation Description of beginning interview show, abbreviate " MPD " as) file, begin to play then according to the burst at the media sample place of the current broadcast of initial configuration request, and from corresponding C T point.
In S512, UE2 needs to calculate each media sample DT and CT in playing process, and report Synchronization Status Message to synchronization server according to initial configuration, wherein this Synchronization Status Message comprises the CT and the current NTP time of current playing media sampling, and can adopt the form of HTTP request message to report.
In S513, synchronization server calculates the time difference that UE1 and UE2 play according to UE1 that receives and the Synchronization Status Message of UE2, and issues the playout-delay time that should carry out to UE2 by http response.
In playing process, can repeat S504 and S505, and S512 and S513, thereby realize in the whole playing process that UE1 and UE2 can watch channel CCTV-1 synchronously.
Should be understood that above-mentioned each process sequence number size and do not mean that the priority of execution sequence, the execution sequence of each process should determine with its function and internal logic, and should not constitute any qualification to the implementation process of the embodiment of the invention.
To describe the computational methods of CT and DT below, and synchronization server is to being provided with CALCULATION OF PARAMETERS synchronously.
As shown in Figure 6, show HTML (Hypertext Markup Language) streaming data downloaded structural representation.There is initial (Start) attribute time period (Period) at media slicing (Segment) place, identify the zero-time (program begins relatively) of this time period, comprise the decode time (Sampl1.DT) of first media sample in this media fragment, the duration (Duration) of each media sample and the DT and the side-play amount between the CT (Offset) of media sample in the metadata of Moof the field of each media fragment (Fragment).
At a media sample that identifies among Fig. 6, the HS terminal equipment will calculate its decode time (DT) and represent the time (CT) before playing, wherein, the computational methods of decode time (DT) are as follows: from the media fragment metadata at current media sampling place, obtain the decode time (Sampl1.DT) of first media sample and the duration (Duration) of each media sample, the duration (Duration) of each media sample before this media sample and the decode time (Sampl1.DT) of first media sample are added up, obtain the DT value (Sample n.DT) of current media sampling, i.e. Sample n.DT=Sample 1.DT+Duration1+Duration2+...+Duration n-1.The DT and the side-play amount between the CT (Offset) of each media sample that comprises in the metadata that in said process, also obtains, thereby calculate the CT value (Sample n.CT) that current media is sampled, i.e. Samplen.CT=Sample n.DT+Offset n.
After synchronization server is received the Synchronization Status Message of two HS terminal equipments, calculate their reproduction time difference, thereby estimate that two HS terminal equipments are in position that synchronization should be play or indicate time that certain HS terminal plays should postpone or time that should F.F..
The Synchronication status message that UE1 that the assumes synchronization server is received for the first time simultaneously and UE2 report is as follows respectively:
UE1：NTP?T1--14:00:00.2645，CT1-2302340；
UE2：NTP?T2--14:00:01.1645，CT2-2302200。
According to time ratio is 1000, be that time unit is 1/1000s, to represent the time (CT) is respectively after being converted into second: CT1=2302.34s, CT2=2302.2s, wherein this time ratio can be reported by terminal equipment, also can obtain from media server, perhaps can CT time conversion one-tenth be reported after second by terminal equipment by synchronization server.
With more early media sample (CT2=2302.2s) be datum mark, the NTP time of the same media sample of estimation broadcast.
UE1 plays that to represent the time be to should be time of the media sample of CT2: T1 '=T1-(CT1-CT2)=14:00:00.1245, to represent the time be time of the media sample of CT2 to be: T2 '=T2=14:00:01.1645 and UE2 plays.Thereby UE2 play slow, the time slower than UE1 is T2 '-T1 '=1.04s.
With slow terminal equipment UE2 as benchmark, according to normal progress, synchronization server is estimated the time point at NTP T3=14:00:05.0000, broadcast is represented the media sample that the time is CT3, wherein CT3=(14:00:05.0000-14:00:01.1645) * 1000+CT2=2306035.
Therefore, synchronization server all issues one for UE1 and UE2 parameter is set synchronously, this is provided with parameter synchronously and comprises NTP and CT, its value is respectively 14:00:05.0000 and 2306035, be used to indicate UE1 and UE2 to play the media sample of specifying CT simultaneously at this time point, perhaps synchronization server issues the playout-delay time to UE1, and the value of this playout-delay time is 1.04, is used to indicate UE1 in a synchronizing cycle broadcasting speed to be postponed 1.04 seconds.
Fig. 7 shows and is inviting the good friend to add under the scene of the program that does not also begin, the sequential chart of the method 600 of media play between the synchronous according to another embodiment of the present invention HS terminal equipment.As shown in Figure 7, invite with invited party UE1 from the beginning to be begun jointly, and to watch program synchronously be that example describes, suppose that UE1 and UE2 belong to the IPTV user of Nanjing telecommunications, and all adopt set-top box to watch movies on demand " to allow bullet fly " by the side of inviting UE2.
In S601, the main side of inviting UE1 in programme, see have a new film " to allow bullet fly " can program request, so select choices from menus " with seeing invitations ", the ID of input invitation object UE2.
In S602, invited party UE1 creates a synchronization group by sending the synchronous initiation request to synchronization server, content identification (ContentID) and synchronous group number (SyncGroupID) parameter that will watch carried in this synchronous initiation request, wherein the tax of SyncGroupID value is 0, be used for to synchronous group number of synchronization server application, this synchronous initiation request can adopt the HTTP request mode to send.
In S603, synchronization server distributes a synchronous group number, issue these initial configuration by the http response message that this synchronous initiation request is responded, this initial configuration can comprise in synchronous time started, synchronizing cycle, the play start time at least, wherein synchronously the time started and synchronizing cycle these initial configuration can not issue, perhaps issue these initial configuration, but assignment is invalid negative, is used to represent that this initial configuration is temporarily uncertain.
In S604, invited party UE1 sends invitation message to the quilt side of inviting UE2, and this invitation message can be carried the address of synchronous group number, the content identification of watching jointly and synchronization server.
In S605, the quilt side of inviting UE2 gives user prompt after receiving this invitation message, waits for user's's " reception " affirmation operation.
In S606, after the user determined, UE2 returned to UE1 and agrees response.
In S607, UE2 sends the request that adds this synchronization group to synchronization server, and following parameter is carried in this request: content identification, synchronous group number and Termination ID (or user ID).
In S608, synchronization server is verified this terminal use, watch temporary at definite this terminal equipment, return http response message to UE2, this response message can not issue initial configuration such as synchronous time started, synchronizing cycle earlier, perhaps issue these initial configuration but assignment is invalid negative, be used to represent that these initial configuration are temporarily uncertain.
In S609, UE1 can begin to obtain the MPD file after successfully inviting UE2, and according to the URL downloading slicing of burst, and the burst after downloading is carried out decoding processing.
In S610, when UE1 had carried out the preparation of playing, when for example the content in the buffer reached setting and completely is worth, UE1 suspended decoding, and report current Synchronization Status Message to synchronization server.
In S611, UE2 can begin to obtain the MPD file after initialization success, and according to the URL downloading slicing of burst, and the burst after downloading is carried out decoding processing.
In S612, when UE2 had carried out the preparation of playing, when for example the content in the buffer reached setting and completely is worth, UE2 suspended decoding, and report current Synchronization Status Message to synchronization server.
In S613 and S614, synchronization server can return response message to UE1, UE2 simultaneously, this response message carries synchronous indication, this synchronous indication can comprise the synchronous configuration after parameter being set synchronously and upgrading, alternatively, this indication synchronously comprises time, synchronous time started, the synchronizing cycle that program begins to play.
In S615 and S616, after UE1, UE2 receive synchronous indication, begin first frame of broadcast program simultaneously according to this synchronous indication.
In S617 and S618, UE1, UE2 calculate the DT (decode time) and the CT (representing the time) of each media sample in the process of decoding, broadcast, and according to synchronous configuration cycle property report Synchronization Status Message, this Synchronization Status Message comprises the CT and the current NTP time of the media sample of current broadcast, and this Synchronization Status Message can adopt the form of HTTP request message to report.
In S619 and S620, synchronization server is according to UE1 that receives and the Synchronization Status Message of UE2, calculate their reproduction time difference, thereby determine that UE1, UE2 are in the position that synchronization should be play or the playout-delay time that should carry out or play the F.F. time.
In playing process, can repeat S617 and S618, and S619 and S620, thereby in whole playing process, can realize watching synchronously of UE1 and UE2.
Should be understood that above-mentioned each process sequence number size and do not mean that the priority of execution sequence, the execution sequence of each process should determine with its function and internal logic, and should not constitute any qualification to the implementation process of the embodiment of the invention.
Fig. 8 shows under the scene that terminal equipment initiatively adds the program that synchronization group watching, according to the sequential chart of the method 700 of media play between the synchronous HS terminal equipment of the embodiment of the invention.As shown in Figure 8, see the group that has to watch synchronously such as adding side UE1 by menu or friend information, so send request to keeper UE2, expectation watches the film in the broadcast " to allow bullet fly " with them.After keeper UE2 agreed, the side of adding UE1 watched synchronously from current broadcast point and everybody.
In S701, UE1 sees having a synchronization group watching her " to allow bullet fly " by long-expected new film by good friend's current information or programme, so select choices from menus " with seeing request ".
In S702, UE1 asks to obtain the information of synchronization group there from the keeper UE2 of synchronization group, and this information comprises content identification, group number and synchronization server address synchronously.
In S703, UE1 sends the HTTP request that adds synchronization group to synchronization server, and following parameter is carried in this request: content identification, synchronous group number and Termination ID (or user ID).
In S704, synchronization server is verified this terminal use, after definite this terminal equipment is watched power, work out configuration synchronously, this synchronous configuration can comprise in synchronous group number, synchronizing cycle, synchronous time started and the broadcast starting point at least, wherein this synchronizing cycle can be identical with the synchronizing cycle of UE2, the interval of the synchronous time started of time started and UE2 can be the multiple of synchronizing cycle synchronously, plays starting point and then can estimate according to the broadcast situation that synchronization group has reported.Similarly, server can issue this initial configuration by http response message.
In S705, UE1 begins to obtain medium and plays, and calculates the DT (decode time) and the CT (representing the time) of each media sample in the process of decoding and broadcast.
In S706, UE1 is according to reporting Synchronization Status Message, this Synchronization Status Message to comprise the CT and the current NTP time of the media sample of current broadcast to configuration cycle property synchronously.
In S707, synchronization server is according to the Synchronization Status Message of other-end equipment in UE1 that receives and the group, calculate their reproduction time difference, thereby determine that UE1, UE2 are in the position that synchronization should be play or the playout-delay time that should carry out or play the F.F. time.
In S708 and S709, the interior other-end equipment of synchronization group reports Synchronization Status Message, and upgrades setting synchronously, thereby keeps the synchronous of media play between the HS terminal equipment.
The method of media play between the synchronous HS terminal equipment of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
The server and the terminal equipment that are used for media play between the synchronous HS terminal equipment according to the embodiment of the invention will be described below.
Fig. 9 shows the schematic diagram that is used for the server 800 of media play between the synchronous HS terminal equipment according to the embodiment of the invention.As shown in Figure 9, this server 800 comprises: receiver module 810, first determination module 820 and first sending module 830, and wherein, this receiver module 810 is used for the Synchronization Status Message that receiving terminal apparatus sends according to configuration synchronously; This first determination module 820 is used for determining to be provided with synchronously parameter according to this Synchronization Status Message; This first sending module 830 is used for comprising that to this terminal equipment transmission this is provided with the synchronous indication of parameter synchronously, so that this terminal equipment is according to these medium of indication broadcast synchronously.
In embodiments of the present invention, this synchronous configuration can comprise synchronizing cycle, synchronous in time started, play start time and the broadcast original position at least; This Synchronization Status Message can comprise current broadcast situation or current broadcast preparation, this current broadcast situation comprises current broadcast point position and current network time protocol time, and this current broadcast point position comprises the absolute time that represent time or current broadcast point of these medium of current broadcast with respect to the starting point of these medium; This is provided with the position that parameter can comprise that playout-delay time or broadcast F.F. time or synchronization should play synchronously; This synchronous indication can comprise that this is provided with parameter synchronously, can also comprise the configuration synchronously after the renewal.
The server of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
Alternatively, as shown in figure 10, can also comprise according to the server 800 of the embodiment of the invention:
Second sending module 840 is used for sending configuration synchronously to this terminal equipment.
Alternatively, this second sending module 840 can comprise:
Receive submodule 841, be used to receive the synchronous initiation request that this terminal equipment sends, alternatively, this synchronous initiation request comprises the group number of synchronization group and the sign of synchronizing content;
Send submodule 842, be used for the synchronous initiation response message that responds by to this synchronous initiation request, send configuration synchronously to this terminal equipment.
Alternatively, this server 800 can also comprise:
Second determination module 850 is used for after this second receiver module receives this synchronous initiation request, determines that this terminal equipment passes through authentication.
Above-mentioned and other operation of each module in the server 800 and/or function in order to realize each method 100 among Fig. 1 to Fig. 2 and 200 corresponding flow process, for simplicity, do not repeat them here respectively.
Figure 11 shows the schematic diagram that is used for the terminal equipment 900 of media play between the synchronous HS terminal equipment according to the embodiment of the invention.As shown in figure 11, this terminal equipment 900 comprises: sending module 910, first receiver module 920 and playing module 930, and wherein this sending module 910 is used for sending Synchronization Status Message according to configuration synchronously to this server; This first receiver module 920 is used to receive the synchronous indication that this server sends, and this indication synchronously comprises that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined; This playing module 930 is used for playing these medium according to indication synchronously.
In embodiments of the present invention, this synchronous configuration can comprise synchronizing cycle, synchronous in time started, play start time and the broadcast original position at least; This Synchronization Status Message can comprise current broadcast situation or current broadcast preparation, this current broadcast situation comprises current broadcast point position and current network time protocol time, and this current broadcast point position comprises the absolute time that represent time or current broadcast point of these medium of current broadcast with respect to the starting point of these medium; This is provided with the position that parameter can comprise that playout-delay time or broadcast F.F. time or synchronization should play synchronously; This synchronous indication can comprise that this is provided with parameter synchronously, can also comprise the configuration synchronously after the renewal.
Alternatively, as shown in figure 12, can also comprise according to the terminal equipment 900 of the embodiment of the invention:
Second receiver module 940 is used to receive the synchronous configuration that this server sends.
Alternatively, this second receiver module 940 can comprise:
Send submodule 941, be used for sending the synchronous initiation request to this server, alternatively, this synchronous initiation request comprises the group number of synchronization group and the sign of synchronizing content;
Receive submodule 942, be used to receive the configuration synchronously that this server sends by the synchronous initiation response message, this synchronous initial communication message responds this synchronous initiation request.
Alternatively, this terminal equipment 900 can also comprise:
Computing module 950 is used for according to configuration synchronously, the current broadcast point position of computing medium, and wherein first sending module 910 is used for sending Synchronization Status Message according to this current broadcast point position to server.Alternatively, this current broadcast point position comprises the absolute time that represent time or current broadcast point of the medium of current broadcast with respect to the starting point of these medium.
Above-mentioned and other operation of each module in the terminal equipment 900 and/or function in order to realize each method 300 among Fig. 3 to Fig. 4 and 400 corresponding flow process, for simplicity, do not repeat them here respectively.
The terminal equipment of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
Figure 13 shows the schematic diagram that is used for the system 1000 of media play between the synchronous HS terminal equipment according to the embodiment of the invention.As shown in figure 13, this system 1000 comprises according to the server 800 of the embodiment of the invention with according to the terminal equipment 900 of the embodiment of the invention, wherein,
This server 800 comprises:
Receiver module 810 is used for the Synchronization Status Message that receiving terminal apparatus sends according to configuration synchronously;
First determination module 820 is used for determining to be provided with synchronously parameter according to this Synchronization Status Message;
First sending module 830 is used for comprising that to this terminal equipment transmission this is provided with the synchronous indication of parameter synchronously, so that this terminal equipment is indicated these medium of broadcast synchronously according to being somebody's turn to do,
This terminal equipment 900 comprises:
Sending module 910 is used for sending Synchronization Status Message according to configuration synchronously to this server;
First receiver module 920 is used to receive the synchronous indication that this server sends, and this indication synchronously comprises that this server is provided with parameter synchronously according to what this Synchronization Status Message was determined;
Playing module 930 is used for playing these medium according to indication synchronously.
Above-mentioned and other operation of each module in the server 800 and/or function are respectively in order to realize each method 100 among Fig. 1 to Fig. 2 and 200 corresponding flow process, above-mentioned and other operation of each module in the terminal equipment 900 and/or function are respectively in order to realize each method 300 among Fig. 3 to Fig. 4 and 400 corresponding flow process, for simplicity, do not repeat them here.
The system of the embodiment of the invention, by the HS terminal equipment being carried out the adjustment of Media Stream broadcasting speed and/or time, can realize thus keeping the synchronous of media play between a plurality of HS terminal equipments of watching jointly, watch professional user experience jointly thereby can significantly promote.
Those of ordinary skills can recognize, in conjunction with various method steps of describing among the embodiment disclosed herein and unit, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, step and the composition of each embodiment described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.Those of ordinary skills can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
In conjunction with the software program that the method or the step of embodiment description disclosed herein can use hardware, processor to carry out, perhaps the combination of the two is implemented.Software program can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Although by with reference to the accompanying drawings and mode in conjunction with the preferred embodiments the present invention is described in detail, the present invention is not limited to this.Under the prerequisite that does not break away from spirit of the present invention and essence, those of ordinary skills can carry out the modification or the replacement of various equivalences to embodiments of the invention, and these modifications or replacement all should be in covering scopes of the present invention.
Claims (24)
1. the method for media play between the synchronous HS terminal equipment is characterized in that, comprising:
Receive the Synchronization Status Message that described terminal equipment sends according to configuration synchronously;
Determine to be provided with synchronously parameter according to described Synchronization Status Message;
Comprise the described synchronous indication that parameter is set synchronously to described terminal equipment transmission, so that described terminal equipment is play described medium according to described synchronous indication.
2. method according to claim 1 is characterized in that, before the described terminal equipment of described reception was according to the Synchronization Status Message that configuration sends synchronously, described method also comprised:
Send configuration synchronously to described terminal equipment.
3. method according to claim 2 is characterized in that, the described transmission synchronously to described terminal equipment disposed, and comprising:
Receive the synchronous initiation request that described terminal equipment sends;
By the synchronous initiation response message that described synchronous initiation request is responded, send described synchronous configuration to described terminal equipment.
4. method according to claim 3 is characterized in that, after the synchronous initiation request that the described terminal equipment of described reception sends, described method also comprises:
Determine that described terminal equipment passes through authentication.
5. according to each described method in the claim 1 to 4, it is characterized in that described synchronous configuration comprises in synchronizing cycle, synchronous time started, play start time and the broadcast original position at least.
6. according to each described method in the claim 1 to 4, it is characterized in that the described parameter that is provided with synchronously comprises the playout-delay time or plays the F.F. time or position that synchronization should be play.
7. according to each described method in the claim 1 to 4, it is characterized in that, described synchronous indication comprise described parameter is set synchronously and upgrade after described synchronous configuration.
8. the method for media play between the synchronous HS terminal equipment is characterized in that, comprising:
According to synchronous configuration, send Synchronization Status Message to server;
Receive the synchronous indication that described server sends, described synchronous indication comprises that described server is provided with parameter synchronously according to what described Synchronization Status Message was determined;
Play described medium according to described synchronous indication.
9. method according to claim 8 is characterized in that, configuration is before described server sends Synchronization Status Message synchronously in described basis, and described method also comprises:
Receive the synchronous configuration that described server sends.
10. method according to claim 9 is characterized in that, the synchronous configuration that described reception server sends comprises:
Send the synchronous initiation request to described server;
Receive the described synchronous configuration that described server sends by the synchronous initiation response message, described synchronous initial communication message responds described synchronous initiation request.
11. method according to claim 8 is characterized in that, configuration is before described server sends Synchronization Status Message synchronously in described basis, and described method also comprises:
According to described synchronous configuration, calculate the current broadcast point position of described medium.
12. method according to claim 10 is characterized in that, described synchronous initiation request comprises the group number of synchronization group and the sign of synchronizing content.
13. each described method in 12 is characterized in that described Synchronization Status Message comprises current broadcast situation or current broadcast preparation according to Claim 8.
14. method according to claim 13 is characterized in that, described current broadcast situation comprises current broadcast point position and current network time protocol time.
15. method according to claim 14 is characterized in that, described current broadcast point position comprises the absolute time that represent time or current broadcast point of the described medium of current broadcast with respect to the starting point of described medium.
16. a server that is used for media play between the synchronous HS terminal equipment is characterized in that, comprising:
Receiver module is used to receive the Synchronization Status Message that described terminal equipment sends according to configuration synchronously;
First determination module is used for determining to be provided with synchronously parameter according to described Synchronization Status Message;
First sending module is used for comprising the described synchronous indication that parameter is set synchronously to described terminal equipment transmission, so that described terminal equipment is play described medium according to described synchronous indication.
17. server according to claim 16 is characterized in that, described server also comprises:
Second sending module is used for sending configuration synchronously to described terminal equipment.
18. server according to claim 17 is characterized in that, described second sending module also comprises:
Receive submodule, be used to receive the synchronous initiation request that described terminal equipment sends;
Send submodule, be used for the synchronous initiation response message that responds by to described synchronous initiation request, send described synchronous configuration to described terminal equipment.
19. server according to claim 18 is characterized in that, described server also comprises:
Second determination module is used for after described reception submodule receives described synchronous initiation request, determines that described terminal equipment passes through authentication.
20. a terminal equipment that is used for media play between the synchronous HS terminal equipment is characterized in that, comprising:
Sending module is used for sending Synchronization Status Message according to configuration synchronously to server;
First receiver module is used to receive the synchronous indication that described server sends, and described synchronous indication comprises that described server is provided with parameter synchronously according to what described Synchronization Status Message was determined;
Playing module is used for playing described medium according to described synchronous indication.
21. terminal equipment according to claim 20 is characterized in that, described terminal equipment also comprises:
Second receiver module is used to receive the synchronous configuration that described server sends.
22. terminal equipment according to claim 21 is characterized in that, described second receiver module also comprises:
Send submodule, be used for sending the synchronous initiation request to described server;
Receive submodule, be used to receive the described synchronous configuration that described server sends by the synchronous initiation response message, described synchronous initial communication message responds described synchronous initiation request.
23., it is characterized in that described terminal equipment also comprises according to each described terminal equipment in the claim 20 to 22:
Computing module is used for according to described synchronous configuration, calculates the current broadcast point position of described medium.
24. a system that is used for media play between the synchronous HS terminal equipment is characterized in that described system comprises:
According to each described server in the claim 16 to 19; With
According to each described terminal equipment in the claim 20 to 23.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110060857.9A CN102170584B (en) | 2011-03-14 | 2011-03-14 | Method, device and system for playing media between synchronic HS (HTTP (HyperText Transfer Protocol) Streaming) terminal equipment |
| PCT/CN2012/071867 WO2012122901A2 (en) | 2011-03-14 | 2012-03-02 | Method for synchronizing media playing between hs terminals |
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| CN201110060857.9A CN102170584B (en) | 2011-03-14 | 2011-03-14 | Method, device and system for playing media between synchronic HS (HTTP (HyperText Transfer Protocol) Streaming) terminal equipment |
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| CN102170584A true CN102170584A (en) | 2011-08-31 |
| CN102170584B CN102170584B (en) | 2015-06-03 |
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| CN201110060857.9A Active CN102170584B (en) | 2011-03-14 | 2011-03-14 | Method, device and system for playing media between synchronic HS (HTTP (HyperText Transfer Protocol) Streaming) terminal equipment |
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| CN109819341A (en) * | 2017-11-20 | 2019-05-28 | 腾讯科技（深圳）有限公司 | Video broadcasting method, calculates equipment and storage medium at device |
| CN107948703A (en) * | 2017-11-22 | 2018-04-20 | 青岛海信电器股份有限公司 | Playing progress rate synchronous method and device |
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| CN110572295A (en) * | 2018-06-06 | 2019-12-13 | 中国信息通信研究院 | test method for verifying SSM response rule |
| CN110572295B (en) * | 2018-06-06 | 2021-04-09 | 中国信息通信研究院 | Test method for verifying SSM response rule |
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| CN114339328A (en) * | 2021-12-31 | 2022-04-12 | 杭州当虹科技股份有限公司 | Method and system for realizing timestamp synchronization service |
| CN114339328B (en) * | 2021-12-31 | 2023-09-01 | 杭州当虹科技股份有限公司 | Method and system for realizing time stamp synchronous service |
| CN115052236A (en) * | 2022-06-17 | 2022-09-13 | 深圳市晨锐嘉塑胶电子科技有限公司 | Data synchronization network audio output system and implementation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012122901A3 (en) | 2012-11-08 |
| WO2012122901A2 (en) | 2012-09-20 |
| CN102170584B (en) | 2015-06-03 |
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