CN101848366B - Filing and program broadcasting method and equipment of time shift slicing files in IPTV (Internet Protocol Television) system - Google Patents
Filing and program broadcasting method and equipment of time shift slicing files in IPTV (Internet Protocol Television) system Download PDFInfo
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- CN101848366B CN101848366B CN2010101682917A CN201010168291A CN101848366B CN 101848366 B CN101848366 B CN 101848366B CN 2010101682917 A CN2010101682917 A CN 2010101682917A CN 201010168291 A CN201010168291 A CN 201010168291A CN 101848366 B CN101848366 B CN 101848366B
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a filing method of time shift slicing files in an IPTV (Internet Protocol Television) system and a streaming media server, used for solving the problem that all time shift slicing files in a same program can not be arranged in a same list, and therefore, the program can not be normally transmitted. The filing method comprises the following steps of firstly, filing time shift slicing files contained in the program from a transcribed list of a located channel to a filing list of a same channel when a transcribed program satisfies the filing condition; and secondly, adding a chained file under the transcribed list to point to a time shift slicing file shared by at least two programs when confirming that the time shift slicing file shared by at least two programs exists in the filed time shift slicing files. The invention also discloses a program transmitting method based on the filing method and a streaming media server, used for solving the problem that aiming to a problem that all time shift slicing files are not arranged in a same list, and lists are needed to be switched in the transmitting process to cause large message interaction quantity and higher transmitting call lost ratio.
Description
Technical field
The present invention relates to the Web TV field, relate in particular to filing and program broadcasting method and the equipment of time shift slicing files in a kind of IPTV system.
Background technology
IPTV (Interactive Personality Television, IPTV or be called personalized interactive TV) be a kind of broadband cabled television network, and multiple technologies such as integrated the Internet, multimedia, communication utilized, the new technology of the multiple interactive services that comprises Digital Television is provided to the user.IPTV fully effectively utilizes multiple network resources, not only can provide the Electronic Program Guide business by the colourful page, video request program can also be provided, review and record, information browse, the services such as game.
As shown in Figure 1, the IPTV system comprises the user terminal 100 of user's side, streaming media server 101 and the IPTV service sub-system 102 of network side, carry out interacting message based on RTSP (Real Time Streaming Protocol, real-time streaming protocol) between user terminal 100 and streaming media server 101.
NPVR (Network Personal Video Recorder, network personal video recorder) business is the business of the user that provides of IPTV system to the live telecast recording program, the program storage that the user has recorded is on streaming media server, the user can pass through when needed the mode of VOD (Video On Demand, video request program) and watch recorded program.
In existing IPTV system, recording always of live telecast program carried out.The TVOD that the IPTV system provides (TrueVideo On Demand, telecast demanding) and TSTV (Time Shift TV, time-moving television) business all needs to become file to be stored on streaming media server the live telecast stream-recording, in order to the use of user's program request.
In existing IPTV system, streaming media server, when the storage that realizes file, mainly comprises following two kinds of modes:
Mode one, TVOD file and TSTV file be storage separately, and the TVOD file obtains by the partial content in copy TSTV file, the general multiplexing TVOD function of NPVR business, and the period of User customization is copied corresponding content.This mode will certainly cause the waste of memory space in the IPTV system, also can increase the expense of the shared storage I/O of IPTV system (Input/Output, input and output) resource simultaneously.
Mode two, TVOD file and the storage of TSTV file consolidation,, by provide TVOD business and TSTV business, the file of generally recording in this mode to take system time as the storage of label burst with a file, can be called time shift slicing files.No matter the user needs TVOD business or TSTV business, is all to navigate to specific time shift slicing files by channel ID (Identifier, sign) and beginning and ending time (time started and concluding time) to be play.The NPVR business can realize by multiplexing TVOD function and filing function.This mode can effectively be saved the memory space of IPTV system.
Adopt in the streaming media server of unified storage mode (mode two), time shift slicing files can not unrestrictedly be preserved, and following mechanism generally all is set:
Rollback mechanism, shift time and the required time shift slicing files of non-program recording while delete surpassing, the time shift time refer to the maximum time scope that in the IPTV system, the user can review;
Aging mechanism, delete over ageing time and without the time shift slicing files of filing;
Filing mechanism, preserve the time shift slicing files that surpasses ageing time and need filing, be that the time shift slicing files is transferred to the filing catalogue of same channel from the catalogue of recording of place channel, thereby preserved always, ageing time refers to that the time shift slicing files of recording can be kept at the maximum time scope on streaming media server, generally, the time, shift time is no more than ageing time.
Adopt in the streaming media server of unified storage mode, time shift slicing files be take system time and is carried out burst as label, and in the NPVR business, the program of user's program request (can be called the NPVR program) is identical with the program (can be called the TVOD program) of user's program request in the TVOD business, all the beginning and ending time signs with program, and the beginning and ending time of program is generally not corresponding with the burst time, there will be two programs to share the situation of same time shift slicing files, be that the time started of concluding time of previous program and a rear program is in the time range of same time shift slicing files.After two shared time shift slicing files of program are archived, because it is archived under the filing catalogue at previous program place, then other time shift slicing files of a program still, under the filing catalogue, can cause all time shift slicing files of a rear program not under same catalogue.Because the time shift slicing files be archived has surpassed ageing time, for the TVOD business, recorded program can requestedly not play, but for the NPVR business, as long as the user does not initiatively delete, just require recorded program to play, and existing filing mechanism can't meet this requirement.For all time shift slicing files program under same catalogue not, can adopt the mode of switching catalogue to be play, but can cause in the IPTV system interacting message amount large, play the percent of call lost high.
Summary of the invention
The embodiment of the present invention provides archiving method and the streaming media server of time shift slicing files in a kind of IPTV system, may be not under same catalogue in order to all time shift slicing files of solving same program in prior art, thus the problem that this program can't normal play;
The embodiment of the present invention provides a kind of program broadcasting method and streaming media server based on the archiving method of time shift slicing files in above-mentioned IP TV system, in order to solve in prior art for all time shift slicing files program under same catalogue not, need to switch catalogue when playing, cause in the IPTV system interacting message amount large, play the higher problem of the percent of call lost.
The archiving method of time shift slicing files in the IPTV system that the embodiment of the present invention provides comprises:
When recorded program meets the filing condition, the time shift slicing files that described program is comprised is filed the filing catalogue of same channel from the catalogue of recording of place channel;
While having the time shift slicing files shared by least two programs in each time shift slicing files of confirming to be archived, described recording under catalogue, add threaded file, described threaded file points to described by least two time shift slicing files that program is shared.
Accordingly, the streaming media server that the embodiment of the present invention provides comprises:
Service Processing Module, when when recorded program, meeting the filing condition, the time shift slicing files that described program is comprised is filed the filing catalogue of same channel from the catalogue of recording of place channel;
Document management module, while for each time shift slicing files of confirming to be archived, having the time shift slicing files shared by least two programs, add threaded file described recording under catalogue, described threaded file points to described by least two time shift slicing files that program is shared.
The program broadcasting method based on the archiving method of time shift slicing files in above-mentioned IP TV system that the embodiment of the present invention provides comprises:
Receive the program broadcasting signaling that user terminal sends;
Play signaling according to described program, ask the program of playing, obtain the program file path of described program based on described program, determine the type of each file that described program comprises;
For each file, if determine that result is time shift slicing files, according to the memory address index information access file of this time shift slicing files, if determine that result is threaded file, the memory address index information access file of the time shift slicing files pointed to according to this threaded file; And
The media data of institute's access file is returned to user terminal to be play.
Accordingly, the another kind of streaming media server that the embodiment of the present invention provides, comprise Service Processing Module, protocol process module, document management module, data management module and carrier module, wherein:
Described Service Processing Module, when when recorded program, meeting the filing condition, the time shift slicing files that described program is comprised is filed the filing catalogue of same channel from the catalogue of recording of place channel;
Described document management module, while for each time shift slicing files of confirming to be archived, having the time shift slicing files shared by least two programs, add threaded file described recording under catalogue, described threaded file points to described by least two time shift slicing files that program is shared;
Described protocol process module, the program broadcasting signaling sent for receiving user terminal, will ask the program file path of the program of broadcasting to send to described document management module;
Described document management module, for initiate the inquiry request of the memory address index information of each file that described program comprises to described data management module, wherein carry described program file path, according to the memory address index information access file of each file inquired, and the media data of institute's access file is sent to described carrier module;
Described data management module, for the program file path of carrying according to described inquiry request, determine the type of each file that described program comprises, if determine that result is time shift slicing files, return to the memory address index information of this time shift slicing files to described document management module, if determine that result is described threaded file, return to the memory address index information of the time shift slicing files of this threaded file sensing to described document management module;
Described carrier module, return to user terminal for the media data that described document management module is sent and play.
Archiving method and the streaming media server of time shift slicing files in the IPTV system that the embodiment of the present invention provides, the time shift slicing files comprised at program from recording catalogue filing catalogue after, if exist by least two time shift slicing files that program is shared in each time shift slicing files of finding to be archived, former recording under catalogue, add threaded file, point to this by least two time shift slicing files that program is shared, thereby all time shift slicing files that efficiently solve same program are the problem under same catalogue not, guaranteed the normal play of this program.
Program broadcasting method and streaming media server based on the archiving method of time shift slicing files in above-mentioned IP TV system that the embodiment of the present invention provides, for all time shift slicing files program under same catalogue not, filing scheme based on time shift slicing files in above-mentioned IP TV system makes this program not only comprise time shift slicing files, also comprise threaded file, for time shift slicing files, according to its memory address index information access file, for threaded file, memory address index information access file according to the time shift slicing files of its sensing, thereby can realize the broadcasting of program without the switching catalogue, reduced the interactive quantity of message in the IPTV system, effectively suppressed the broadcasting percent of call lost simultaneously, promoted user's impression.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification write, claims and accompanying drawing.
The accompanying drawing explanation
The network architecture schematic diagram that Fig. 1 is IPTV system in prior art;
Fig. 2 is the archiving method flow chart of time shift slicing files in the IPTV system in the embodiment of the present invention one;
The handling process that Fig. 3 is the program filing request that in the embodiment of the present invention one, streaming media server issues the IPTV service sub-system;
The realization flow figure that Fig. 4 is NPVR business in the embodiment of the present invention one;
A kind of possibility structured flowchart that Fig. 5 is streaming media server in the embodiment of the present invention one;
Fig. 6 is the program broadcasting method flow chart in the IPTV system in the embodiment of the present invention two;
Fig. 7 is program broadcasting method flow chart during user's program request NPVR program in the IPTV system in the embodiment of the present invention two;
Fig. 8 is that a kind of of streaming media server in the embodiment of the present invention two may structured flowchart.
Embodiment
The embodiment of the present invention may be under same catalogue for all time shift slicing files that solve same program in prior art, thereby the problem that this program can't normal play, archiving method and the streaming media server of time shift slicing files in a kind of IPTV system are provided, the time shift slicing files comprised at program from recording catalogue filing catalogue after, if exist by least two time shift slicing files that program is shared in each time shift slicing files of finding to be archived, former recording under catalogue, add threaded file, point to this by least two time shift slicing files that program is shared.
The embodiment of the present invention is in order to solve in prior art for all time shift slicing files program under same catalogue not, need to switch catalogue when playing, cause in the IPTV system interacting message amount large, play the higher problem of the percent of call lost, a kind of program broadcasting method and streaming media server based on the archiving method of middle time shift slicing files in above-mentioned IP TV system is provided, for all time shift slicing files program under same catalogue not, filing scheme based on time shift slicing files in above-mentioned IP TV system, make this program not only comprise time shift slicing files, also comprise threaded file, for time shift slicing files, according to its memory address index information access file, for threaded file, memory address index information access file according to the time shift slicing files of its sensing.
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein is only for description and interpretation the present invention, be not intended to limit the present invention, and, in the situation that do not conflict, embodiment and the feature in embodiment in the present invention can combine mutually.
Embodiment mono-
At first the present embodiment provides the archiving method of time shift slicing files in a kind of IPTV system, as shown in Figure 2, comprises the steps:
S201, when recorded program meets the filing condition, the time shift slicing files that streaming media server comprises this program is filed the filing catalogue of same channel from the catalogue of recording of place channel;
While having the time shift slicing files shared by least two programs in S202, each time shift slicing files of confirming to be archived, streaming media server adds threaded file recording under catalogue, and this threaded file points to this by least two time shift slicing files that program is shared.
For the ease of understanding, describe for example.
Suppose that the time shift slicing files that the program 1 of certain channel comprises is A, B and C, the time shift slicing files that the program 2 of same channel comprises is C, D and E, visible time shift slicing files C is by two time shift slicing files that program is shared, and time shift slicing files A, B, C, D and E be current all is kept at the recording under catalogue of this channel.If program 1 needs filing, and program 1 met the filing condition, time shift slicing files A, the B that program 1 comprises and C will file the filing catalogue of this channel from the catalogue of recording of this channel; Because time shift slicing files C is by two time shift slicing files that program is shared, recording interpolation threaded file C ' under catalogue, this threaded file C ' points to time shift slicing files C.For program 2, although (time shift slicing files C is under the filing catalogue not under same catalogue to cause its all time shift slicing files after program 1 is archived, time shift slicing files D and E are recording under catalogue), but due to the existence of recording threaded file C ' under catalogue, can point to the time shift slicing files C under the filing catalogue, all time shift slicing files that therefore can effectively solve program 2 are the problem under same catalogue not, has guaranteed the normal play of program 2.In concrete enforcement, program 2 may need filing, also may not need filing.If program 2 needs filing, and program 2 met the filing condition, the time shift slicing files D that program 2 comprises and E will file the filing catalogue of this channel from the catalogue of recording of this channel.If program 2 does not need filing, after exceeding ageing time, the time shift slicing files D that program 2 comprises and E will delete from recording catalogue.Because the time shift slicing files C that program 2 comprises has been archived, so be only D and E recording the time shift slicing files that under catalogue, program 2 comprises.No matter program 2 is archived or is deleted, all without preserving threaded file C ' again.
In order to save the memory space in the IPTV system, recording also unnecessary unrestricted preservation of interpolation threaded file under catalogue, preferably, after time shift slicing files at least two programs under the time shift slicing files pointed at described threaded file is all filed, after last program under the time shift slicing files that perhaps described threaded file points to is aging, described threaded file is deleted from described recording catalogue.Certainly, also can surpass life span and afterwards threaded file be deleted for threaded file configures life span, life span is more than or equal to ageing time and just can meets the demands.
In the concrete enforcement of S202, in each time shift slicing files of confirming to be archived, exist by least two time shift slicing files that program is shared, specifically comprise:
Steps A, the system time that the time shift slicing files be archived according to each is corresponding, choose last time shift slicing files according to the time order and function order;
If within the concluding time of the current program of step B and the time started of another program system time scope corresponding at described last time shift slicing files, confirm that described last time shift slicing files is for by least two time shift slicing files that program is shared.
In concrete enforcement, described recorded program meets the filing condition and can comprise: all time shift slicing files that described program comprises exceed ageing time and have the sign of needs filing, other filing condition can certainly be set, for example receive the specific instruction for certain program is filed.In concrete enforcement, the handling process of the program filing request IPTV service sub-system issued by streaming media server, can be so that all time shift slicing files that need the program of filing to comprise have the sign of needs filing.As shown in Figure 3, this handling process comprises the steps:
S301, IPTV service sub-system send program filing request, channel identication and the beginning and ending time of wherein carrying the program that needs filing to streaming media server;
In concrete enforcement, if the user, by the NPVR business, asks current in progress live telecast recording program, this recorded program needs filing; Also can, according to the actual demand of IPTV system, determine the program that needs filing;
S302, streaming media server determine according to channel identication and beginning and ending time all time shift slicing files that the program of needs filing comprises, and for adding, each time shift slicing files of determining needs the sign of filing, the flag bit of one 1bit for example is set for file, if mark position 1 expression need filing, otherwise, mean not need filing;
If all time shift slicing files that follow-up this program comprises exceed ageing time and have the sign of needs filing, confirm to meet the filing condition, file processing according to the archiving method of time shift slicing files in above-mentioned IP TV system, specifically refer to Fig. 2, filed rear streaming media server and will file result and return to the IPTV service sub-system, the filing result comprises the information such as program place catalogue.
Wherein, the realization flow of NPVR business, as shown in Figure 4, comprise the steps:
S400, user terminal are initiated the NPVR service request to streaming media server, and request is to current in progress live telecast recording program;
In the IPTV system, user terminal can be STB (Set-TopBox, Set Top Box), also can be PC (Personal Computer, personal computer), multimedia handset etc.;
S401, IPTV service sub-system are collected the NPVR service request that user terminal is initiated, and generate the request of TVOD performance recording and send to streaming media server;
For same channel, the period of recording of different TV OD performance recording request does not overlap mutually;
The situation of recording of the time shift slicing files that S402, streaming media server comprise according to this request recorded program is returned to the confirmation of TVOD performance recording to the IPTV service sub-system, and subsequent user can be watched this program by the mode of VOD;
S403, IPTV service sub-system are confirmed according to the TVOD performance recording received, and to streaming media server, send program filing request;
The handling process of the program filing request that streaming media server issues the IPTV service sub-system refers to Fig. 3, specifically repeats no more.
Based on same technical conceive, the present embodiment provides a kind of streaming media server, because the principle that this equipment is dealt with problems is similar to the archiving method of time shift slicing files in the IPTV system, so the enforcement of this equipment can, referring to the enforcement of method, repeat part and repeat no more.
As shown in Figure 5, a kind of possibility structure of streaming media server comprises:
Preferably, document management module 502, after also all filing for the time shift slicing files of at least two programs under the time shift slicing files pointed at described threaded file, after last program under the time shift slicing files that perhaps described threaded file points to is aging, described threaded file is deleted from described recording catalogue.
Archiving method and the streaming media server of time shift slicing files in the IPTV system that the present embodiment provides, the time shift slicing files comprised at program from recording catalogue filing catalogue after, if exist by least two time shift slicing files that program is shared in each time shift slicing files of finding to be archived, former recording under catalogue, add threaded file, point to this by least two time shift slicing files that program is shared, thereby all time shift slicing files that efficiently solve same program are the problem under same catalogue not, guaranteed the normal play of this program.
Embodiment bis-
The filing scheme of time shift slicing files in the IPTV system provided based on embodiment mono-, at first the present embodiment provides the program broadcasting method in a kind of IPTV system, as shown in Figure 6, comprises the steps:
S601, streaming media server receive the program broadcasting signaling that user terminal sends;
S602, the program file path of playing the program that signaling request plays according to this program, determine the type of each file that this program comprises;
S603, for each file, if the confirmation result is time shift slicing files, according to the memory address index information access file of this time shift slicing files, if the confirmation result is threaded file, the memory address index information access file of the time shift slicing files pointed to according to this threaded file;
S604, streaming media server return to user terminal by the media data of institute's access file and are play.
It should be noted that, for the ease of user's program request, for each program, streaming media server is set up program file path and channel identication and the corresponding relation between the beginning and ending time of this program, the memory address index information of program file path to each file (type comprises threaded file and time shift slicing files) of should program comprising, can determine the memory address of file according to the memory address index information, thereby realize the access to file.
For the ease of understanding, user's program request NPVR program of take is example, describes the program broadcasting method in the IPTV system in detail, and wherein user terminal be take STB as example, as shown in Figure 7, comprises the steps:
S701, user's program request NPVR program, STB sends DESCRIBE (description) signaling to streaming media server;
Wherein the DESCRIBE signaling belongs to the signaling of RTSP agreement regulation, the information such as the channel identication of the program that the request of wherein carrying is play and beginning and ending time;
S702, streaming media server are followed according to asking channel identication and the beginning and ending time of the program of broadcasting to determine the program file path in the DESCRIBE signaling, and return to the DESCRIBE response to STB;
S703, STB send SETUP (setting) signaling, port and the mode of carrying the STB receiving media data in the SETUP signaling according to the DESCRIBE response received to streaming media server;
S704, streaming media server return to the SETUP response to STB, and the SETUP response is informed STB for the port and the mode that this streaming media server are sent to media data;
S705, STB send PLAY (broadcasting) signaling to streaming media service, and this NPVR program is play in request;
The type of each file that this program comprises is determined in the program file path of S706, the NPVR program play according to request, and for each file, threaded file, carry out S707 if, and time shift slicing files, carry out S708 if;
The memory address index information access file of S707, the time shift slicing files that points to according to this threaded file;
In concrete enforcement, streaming media server can inquire the memory address of file according to the memory address index information, thereby realizes the access to file, obtains media data;
S708, according to the memory address index information access file of this time shift slicing files;
S709, the media data of institute's access file is returned to user terminal play.
Based on same technical conceive, the present embodiment provides a kind of streaming media server, and because the principle that this equipment is dealt with problems is similar to the program broadcasting method in the IPTV system, so the enforcement of this equipment can, referring to the enforcement of method, repeat part and repeat no more.
As shown in Figure 8, a kind of possibility structure of streaming media server, comprise protocol process module 801, document management module 802, data management module 803 and carrier module 804, wherein:
Protocol process module 801, the program broadcasting signaling sent for receiving user terminal, will ask the program file path of the program of broadcasting to send to document management module 802;
Document management module 802, inquiry request for the memory address index information of initiating from each file that described program comprises to data management module 803, wherein carry described program file path, according to the memory address index information access file of each file inquired, and the media data of institute's access file is sent to carrier module 804;
Data management module 803, for the program file path of carrying according to described inquiry request, determine the type of each file that described program comprises, if determine that result is time shift slicing files, return to the memory address index information of this time shift slicing files to described document management module, if determine that result is threaded file, return to the memory address index information of the time shift slicing files of this threaded file sensing to document management module 802;
Carrier module 804, return to user terminal for the media data that document management module 802 is sent and play.
Program broadcasting method and streaming media server in the IPTV system that the embodiment of the present invention provides, for all time shift slicing files program under same catalogue not, filing scheme based on time shift slicing files in above-mentioned IP TV system makes this program not only comprise time shift slicing files, also comprise threaded file, for time shift slicing files, according to its memory address index information access file, for threaded file, memory address index information access file according to the time shift slicing files of its sensing, thereby can realize the broadcasting of program without the switching catalogue, under the prerequisite that does not affect TVOD business and TSTV business, make the NPVR business normally to move, guarantee that the user normally watches the NPVR program, reduced the interactive quantity of message in the IPTV system, effectively suppressed the broadcasting percent of call lost simultaneously, promoted user's impression.
Those skilled in the art should understand, embodiments of the invention can be provided as method, equipment or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention describes with reference to flow chart and/or the block diagram of method, equipment and computer program according to the embodiment of the present invention.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction be stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make and carry out the sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out on computer or other programmable devices is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the archiving method of time shift slicing files in an IPTV system, is characterized in that, comprising:
When recorded program meets the filing condition, the time shift slicing files that described program is comprised is filed the filing catalogue of same channel from the catalogue of recording of place channel;
While having the time shift slicing files shared by least two programs in each time shift slicing files of confirming to be archived, described recording under catalogue, add threaded file, described threaded file points to described by least two time shift slicing files that program is shared.
2. the method for claim 1, is characterized in that, also comprises:
After time shift slicing files at least two programs under the time shift slicing files pointed at described threaded file is all filed, after last program under the time shift slicing files that perhaps described threaded file points to is aging, described threaded file is deleted from described recording catalogue.
3. method as claimed in claim 1 or 2, is characterized in that, also comprises:
Receive the program filing request that the IPTV service sub-system issues, channel identication and the beginning and ending time of wherein carrying the program that needs filing;
Determine all time shift slicing files that the program that needs filing comprises according to described channel identication and beginning and ending time, and add the sign that needs filing for each time shift slicing files of determining.
4. method as claimed in claim 3, is characterized in that, described recorded program meets the filing condition and comprises: all time shift slicing files that described program comprises exceed ageing time and have the sign of needs filing.
5. method as claimed in claim 1 or 2, is characterized in that, in the time shift slicing files that described confirmation is archived, exists by least two time shift slicing files that program is shared, specifically comprises:
The system time that the time shift slicing files be archived according to each is corresponding, choose last time shift slicing files according to the time order and function order;
If within the time started of the concluding time of current program and another program system time scope corresponding at described last time shift slicing files, confirm that described last time shift slicing files is for by least two time shift slicing files that program is shared.
6. a streaming media server, is characterized in that, comprising:
Service Processing Module, when when recorded program, meeting the filing condition, the time shift slicing files that described program is comprised is filed the filing catalogue of same channel from the catalogue of recording of place channel;
Document management module, while for each time-shifting fragment part of confirming to be archived, having the time shift slicing files shared by least two programs, add threaded file described recording under catalogue, described threaded file points to described by least two time shift slicing files that program is shared.
7. streaming media server as claimed in claim 6, is characterized in that,
Described document management module, after also all filing for the time shift slicing files of at least two programs under the time shift slicing files pointed at described threaded file, after last program under the time shift slicing files that perhaps described threaded file points to is aging, described threaded file is deleted from described recording catalogue.
8. the program broadcasting method based on the described archiving method of claim 1, is characterized in that, comprising:
Receive the program broadcasting signaling that user terminal sends;
Play signaling according to described program, ask the program of playing, obtain the program file path of described program based on described program, determine the type of each file that described program comprises;
For each file, if determine that result is time shift slicing files, according to the memory address index information access file of this time shift slicing files, if determine that result is threaded file, the memory address index information access file of the time shift slicing files pointed to according to this threaded file; And
The media data of institute's access file is returned to user terminal to be play.
9. method as claimed in claim 8, is characterized in that, the program that described reception user terminal sends also comprises before playing signaling:
Receive the description DESCRIBE signaling that user terminal sends, channel identication and the beginning and ending time of the program that the request of wherein carrying is play; And
Channel identication and the beginning and ending time of the program of playing according to request are determined the program file path, and return to the DESCRIBE response to described user terminal;
What receive that user terminal sends according to described DESCRIBE response arranges SETUP signaling, port and the mode of carrying the user terminal receiving media data in described SETUP signaling; And
Return to the SETUP response to described user terminal, described SETUP response is informed user terminal for port and the mode that will send media data.
10. a streaming media server, is characterized in that, comprises Service Processing Module, protocol process module, document management module, data management module and carrier module, wherein:
Described Service Processing Module, when when recorded program, meeting the filing condition, the time shift slicing files that described program is comprised is filed the filing catalogue of same channel from the catalogue of recording of place channel;
Described document management module, while for each time shift slicing files of confirming to be archived, having the time shift slicing files shared by least two programs, add threaded file described recording under catalogue, described threaded file points to described by least two time shift slicing files that program is shared;
Described protocol process module, the program broadcasting signaling sent for receiving user terminal, will ask the program file path of the program of broadcasting to send to described document management module;
Described document management module, for initiate the inquiry request of the memory address index information of each file that described program comprises to described data management module, wherein carry described program file path, according to the memory address index information access file of each file inquired, and the media data of institute's access file is sent to described carrier module;
Described data management module, for the program file path of carrying according to described inquiry request, determine the type of each file that described program comprises, if determine that result is time shift slicing files, return to the memory address index information of this time shift slicing files to described document management module, if determine that result is described threaded file, return to the memory address index information of the time shift slicing files of this threaded file sensing to described document management module;
Described carrier module, return to user terminal for the media data that described document management module is sent and play.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101682917A CN101848366B (en) | 2010-05-07 | 2010-05-07 | Filing and program broadcasting method and equipment of time shift slicing files in IPTV (Internet Protocol Television) system |
| PCT/CN2011/071293 WO2011137681A1 (en) | 2010-05-07 | 2011-02-25 | Method and apparatus for filing time shift slicing files and playing programs in an interactive personality television system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101682917A CN101848366B (en) | 2010-05-07 | 2010-05-07 | Filing and program broadcasting method and equipment of time shift slicing files in IPTV (Internet Protocol Television) system |
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| CN101848366B (en) * | 2010-05-07 | 2013-12-04 | 中兴通讯股份有限公司 | Filing and program broadcasting method and equipment of time shift slicing files in IPTV (Internet Protocol Television) system |
| CN103051931B (en) * | 2011-10-11 | 2018-05-01 | 中兴通讯股份有限公司 | Review performance recording, playback method, server, client and system |
| CN103873956B (en) * | 2012-12-12 | 2018-02-13 | 中国电信股份有限公司 | Media file playing method, system, player, terminal and media storage platform |
| CN106534883A (en) * | 2015-09-11 | 2017-03-22 | 中兴通讯股份有限公司 | Video control method and device |
| CN111246314B (en) * | 2020-01-14 | 2021-12-17 | 深圳市华曦达科技股份有限公司 | Time-shifting live broadcast method, server device, client device and live broadcast system |
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| CN101420603A (en) * | 2008-09-05 | 2009-04-29 | 中兴通讯股份有限公司 | Method for implementing media distribution, positioning by segmented memory and stream media system thereof |
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| CN100461740C (en) * | 2007-06-05 | 2009-02-11 | 华为技术有限公司 | Customer end node network topological structure method and stream media distributing system |
| CN101848366B (en) * | 2010-05-07 | 2013-12-04 | 中兴通讯股份有限公司 | Filing and program broadcasting method and equipment of time shift slicing files in IPTV (Internet Protocol Television) system |
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| CN101409823A (en) * | 2007-10-10 | 2009-04-15 | 华为技术有限公司 | Method, apparatus and system for implementing network personal video recorder |
| CN101662628A (en) * | 2008-08-28 | 2010-03-03 | 华为技术有限公司 | Multimedia storage method, system and device |
| CN101420603A (en) * | 2008-09-05 | 2009-04-29 | 中兴通讯股份有限公司 | Method for implementing media distribution, positioning by segmented memory and stream media system thereof |
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| CN101848366A (en) | 2010-09-29 |
| WO2011137681A1 (en) | 2011-11-10 |
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