CN103379361A - Method based on main information source and standby information source for achieving time shifting and repeated-watching program redundancy recording - Google Patents
Method based on main information source and standby information source for achieving time shifting and repeated-watching program redundancy recording Download PDFInfo
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- CN103379361A CN103379361A CN201210126397XA CN201210126397A CN103379361A CN 103379361 A CN103379361 A CN 103379361A CN 201210126397X A CN201210126397X A CN 201210126397XA CN 201210126397 A CN201210126397 A CN 201210126397A CN 103379361 A CN103379361 A CN 103379361A
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Abstract
The invention discloses a method based on a main information source and a standby information source for achieving time shifting and repeated-watching program redundancy recording. According to the method based on the main information source and the standby information source for achieving time shifting and repeated-watching program redundancy recording, main protection and standby protection of a content layer are provided through the improvement of program information sources, the improvement of an information source transmission network and the improvement of recording control by means of the two program information sources with the same content but different transmission links, two different multicast groups are used for transmission of the main program information source and the standby program information source, the two different program sources are set to be recorded at the same time during recording control, a plurality of file copies which are recorded at the same time can be provided for each channel, and therefore single point of failure occuring during time shifting and repeated-watching program recording can be effectively avoided, and the integrality and availability of program recording are guaranteed.
Description
Technical field
The present invention relates to a kind ofly based on the active and standby realization time shift of information source with review the new method that the program redundancy is recorded, belong to the digital interactive television field.
Background technology
Interactive TV is that Internet technology and digital TV Broadcasting Techniques are combined, and can carry out the technological innovation based on the information communication service of television terminal on the digital television interaction platform.
Time shift and review the critical services content that TV is interactive TV, its appearance televiews to people and brings convenience.The time shift characteristic can allow the user when seeing live TV programme, realize to program time-out, F.F., the operation such as retreat.Review TV functions so that the user no longer is subjected to the restriction of program broadcasting time based on what time-moving television extended, the user can watch the TV programme of having broadcasted again according to the arrangement of time of oneself.This business has directly attracted a large number of users to use interactive TV, and is progressively changing user's consumption habit and consumer psychology, has accelerated the user with time shift and has reviewed television services as the position fixing process of a TV basic business.
As shown in Figure 1; current typical time shift and review the performance recording technology of realization and the general implementation method of redundancy protecting mechanism as follows: for the program of same channel; when on recording arrangement main frame and standby host, recording respectively; difference according to recording arrangement realizes; to point to the same file name; being decided to the user by time shift and the system that reviews provides when service, uses that equipment institute recorded program.
If recording arrangement generation problem wherein under this mode can provide backup by an other recording arrangement.But, if at this moment the source of program signals transmission network of standby host also breaks down, just will have influence on so integrality, availability at recorded program, bring impact for the normal operation of interactive TV business.
Summary of the invention
In order to solve existing time shift and the deficiency of TV playback recording technology on redundancy protecting; the invention provides a kind of based on the active and standby realization time shift of information source with review the method that the program redundancy is recorded; by to source of program signals, information source transmission network, record the improvement of control; effectively avoid time shift and review the Single Point of Faliure that may exist in the performance recording process, guarantee integrality, the availability of performance recording.
Key problem in technology of the present invention is; use 2 tunnel contents identical and the different source of program signals of transmission link provides the main-apparatus protection of content layer; transmit this 2 road active and standby source of program signals with 2 different multicast group; when recording control, set the program source of different approaches is recorded simultaneously; can provide the many parts of duplicates of the document of recording simultaneously to each channel, effectively avoid the Single Point of Faliure that may exist.
The invention has the beneficial effects as follows, by the flexibly active and standby mechanism of performance recording is set, so that each channel can be recorded respectively simultaneously according to its delivering path, guarantee that different record copies can form mutual backup, the Single Point of Faliure of effectively avoiding having time shift now and reviewing the performance recording process.
Description of drawings
Fig. 1 is current typical time shift and reviews performance recording and redundancy scheme.
Fig. 2 is the time shift based on the active and standby realization of information source provided by the invention and the schematic diagram of reviewing the performance recording redundancy.
Embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present invention in detail:
At present typical time shift and review program when recording, relate generally to source of program signals switch, recording arrangement, record management server, wherein the source of program signals switch is responsible for that source of program signals is reviewed on each road and is offered recording arrangement with multicast mode, recording arrangement carries out concrete performance recording, and program is transformed into concrete file the hard disk from network data.To certain channel recording the time, every recording arrangement can only be recorded a copy, and the backup of institute's program recording need to be provided by the mutual backup between many recording arrangements.
For instance, there are 3 to record main frame in the current system, record main frame for every and can record 40 channels simultaneously, need to record altogether 60 channels, may record redundancy according to the principle of being recorded simultaneously a channel by 2 station servers so:
Recording arrangement 1 is recorded channel 1-40 specially;
Recording arrangement 2 is recorded channel 1-20 specially, and 51-60;
Recording arrangement 3 is recorded channel 21-60 specially;
Work as so like this recording arrangement 1 network or that this equipment uses own and break down, channel 1-40 just will provide wherein 1-20 by recording arrangement 2, provide 21-40 by recording arrangement 3.If at this moment the situations such as network, hard disk appear in performance recording equipment 3, the program of 21-40 channel just can't be recorded smoothly like this, causes the user can't watch the time shift of these channels or reviews program.
Therefore the present invention is directed to source of program signals, information source transmission network, record control procedure; improve respectively; namely as shown in Figure 2: the program of same channel with adopting the different network transmission link of 2 covers, forms main-apparatus protection mechanism when using multicast mode to be pushed to recording arrangement.When wherein a road network network breaks, other one the tunnel can also work on.
For the information source transmission network; the protection of 2 different multicast group then is provided for each road source of program signals; and the different multicast group of every road source of program signals realize access by the different network switchs, to form the interconnection of information source, the service disconnection of effectively avoiding network failure to bring.
On recording arrangement, require as each channel fix uses 2 multicast group as the input source simultaneously, and recorded simultaneously on this equipment from the received program of these 2 multicast group, avoid repetition by the difference that filename is set.
Record the then recording state of these channels of Real Time Monitoring of management server, in case certain program is recorded smoothly and is finished, then initiated the order of deletion redundant copy by this server, so that only preserve 2 of this program record copies between many recording arrangements, continue to keep the availability of original disk space.If the faults such as generation, network are recorded the copy situation that lost efficacy under the record management server so during certain performance recording, be not used further to externally provide the interactive TV time shift and review business; Until other copies record finish after, therefrom select 2 record copies, for the time shift of interactive TV and the business of reviewing provide service, unnecessary redundant copy is in the lump deletion also.
For instance, the time shift that realizes according to this method and review recording arrangement, can in recording management server, dispose the following parameter rule of recording:
When these 2 main frames are recorded the news hookup that 19:00 begins on January 1st, 2012 of CCTV one cover, time shift/review recording system will generate a unified filename, such as CCTV1-20120101-1900, and on recording arrangement 1, just will preserve 2 program file CCTV1-20120101-1900-r1-mc1, CCTV1-20120101-1900-r1-mc2, preserve other 2 program file CCTV1-20120101-1900-r2-mc1, CCTV1-20120101-1900-r2-mc2 at recording arrangement 2.These 4 files are recorded management and condition monitoring by recording management server, by recording management server selection any 2 copies wherein, Symbolic Links mechanism by the Linux/Unix system is associated with this CCTV1-20120101-1900 time shift/review program, is directly called by video server when the interactive TV user being provided service.
After performance recording is finished, by recording other 2 the files deletion of management server with these 4 copies, guarantee under the professional normal operating position of time shift/review, can be because the copy of preserving in the system not too much and the outer disk space of occupying volume causes the service efficiency of device resource to reduce.
Find that wherein certain road program goes wrong recording management server, standby road/multicast group 1 netting twine such as recording arrangement 2 is extracted by mistake, this copy of CCTV1-20120101-1900-r2-mc1 just is labeled as and records failure so, be not used further to external service, at this moment also have 3 complete copies in the system.
If at this moment time shift/review source of program signals switch 1 to break down, the main road/multicast group 1 of including on the recording arrangement 1 (main frame) so will be interrupted, and this copy of CCTV1-20120101-1900-r1-mc1 also can be marked as and record failure; Main road/the multicast group 2 of including on recording arrangement 2 (standby host) also will be interrupted, and the CCTV1-20120101-1900-r2-mc2 copy also will be marked as and record failure.At this moment also being left the CCTV1-20120101-1900-r1-mc2 copy in the system can work, and guarantees that time shift/reviewing business still can continue stable operation in troubleshooting in the phase.
Use this method, can based on to source of program signals, information source transmission network, record the improvement of control, realize time shift/review the redundancy protecting of performance recording, avoid network, information source, the service disconnection impact when recording main frame and cross faults occurring.
Claims (5)
1. method of recording based on the active and standby realization TV playback of information source program redundancy; it is characterized in that: use 2 tunnel contents identical and the different source of program signals of transmission link provides the main-apparatus protection of content layer; transmit this 2 road active and standby source of program signals with 2 different multicast group; when recording control, set the program source of different approaches is recorded simultaneously; can provide the many parts of duplicates of the document of recording simultaneously to each channel; after recording management server and coming the duplicate of the document of recording managed operation by its management work mechanism, the record copies of selecting the most at last is pushed to the interactive television content distributing network.
2. method according to claim 1; it is characterized in that: for the information source transmission network; the protection of 2 different multicast group is provided for the described source of program signals in each road; and the different multicast group of the described source of program signals in every road realize access by the different network switchs, to form the interconnection of information source.
3. method according to claim 1 is characterized in that: on recording arrangement, require as each channel fix uses 2 multicast group as the input source simultaneously, and recorded simultaneously on this equipment from the received program of these 2 multicast group.
4. method according to claim 1 is characterized in that: the described management work mechanism of recording management server is specific as follows:
Record the recording state of these channels of management server Real Time Monitoring, in case certain program is recorded smoothly and is finished, then initiated the order of deletion redundant copy by this server, so that only preserve between many recording arrangements 2 of this program record copies provide service for the time shift of interactive TV and the business of reviewing, continue to keep the availability of original disk space;
When certain performance recording during the fault such as generation, network, record so the copy situation that lost efficacy under the record management server, be not used further to externally provide the interactive TV time shift and review business, until other copies record finish after, therefrom select 2 record copies, for the time shift of interactive TV and the business of reviewing provide service, unnecessary redundant copy is in the lump deletion also.
5. the method under according to claim 3 is characterized in that: for the duplicate of the document that a plurality of whiles are recorded, avoid repetition by the difference that filename is set.
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| CN201210126397XA CN103379361A (en) | 2012-04-26 | 2012-04-26 | Method based on main information source and standby information source for achieving time shifting and repeated-watching program redundancy recording |
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| CN201210126397XA CN103379361A (en) | 2012-04-26 | 2012-04-26 | Method based on main information source and standby information source for achieving time shifting and repeated-watching program redundancy recording |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905888A (en) * | 2014-03-07 | 2014-07-02 | 深圳市同洲电子股份有限公司 | Live broadcast recording method and live broadcast recorder |
| CN112601118A (en) * | 2020-12-07 | 2021-04-02 | 海信视像科技股份有限公司 | Display device and video recording method |
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| US20020156940A1 (en) * | 2001-04-20 | 2002-10-24 | Meyer Charles S. | Router topology having N on 1 redundancy |
| CN101461165A (en) * | 2004-04-12 | 2009-06-17 | 北方电讯网络有限公司 | Method and apparatus for enabling redundancy in a network element architecture |
| CN101616302A (en) * | 2008-06-27 | 2009-12-30 | 东方有线网络有限公司 | A kind of system and method for realizing that on network time-moving television and TV playback are integrated |
| CN101917337A (en) * | 2010-08-09 | 2010-12-15 | 中兴通讯股份有限公司 | Device and method for interconnecting router cluster middle plates |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0646134A (en) * | 1992-07-21 | 1994-02-18 | Nec Corp | Fault restoration function test system |
| US20020156940A1 (en) * | 2001-04-20 | 2002-10-24 | Meyer Charles S. | Router topology having N on 1 redundancy |
| CN101461165A (en) * | 2004-04-12 | 2009-06-17 | 北方电讯网络有限公司 | Method and apparatus for enabling redundancy in a network element architecture |
| CN101616302A (en) * | 2008-06-27 | 2009-12-30 | 东方有线网络有限公司 | A kind of system and method for realizing that on network time-moving television and TV playback are integrated |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905888A (en) * | 2014-03-07 | 2014-07-02 | 深圳市同洲电子股份有限公司 | Live broadcast recording method and live broadcast recorder |
| CN112601118A (en) * | 2020-12-07 | 2021-04-02 | 海信视像科技股份有限公司 | Display device and video recording method |
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