CN101867841A - Automatic detection method for programme signal interrupt recovery of set top box - Google Patents
Automatic detection method for programme signal interrupt recovery of set top box Download PDFInfo
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Abstract
The invention provides an automatic detection method for programme signal interrupt recovery of a set top box, which is characterized by identifying various abnormal states of the front-end network programme signal by judging whether a tuner controller of the set top box is in the locking state, whether the set top box is in the TV programme playing state and in the parent lock locking state, whether the video buffer zone has data, whether the programme operated by the customer is suspended, whether the picture has had first frame data, whether the video data in ts stream are scrambling data, etc, and informing the customer of the problems, so that the after-sale service department or the customer service department can timely and rapidly handle the problems.
Description
[technical field]
The present invention relates to a kind of detection technique that is applied to set-top box, especially a kind of method that is applied on the top box of digital machine programme signal be interrupted the automatic detection of recovery belongs to the digital television techniques field.
[background technology]
Fast development along with the communication technology, adopting set-top box to teleview becomes the main direction of cable TV development, set-top box enters into huge numbers of families gradually as a kind of digital network device, and in the rating process, the interaction between terminal use and the service provider seems and becomes more and more important.Programme signal that traditional digital TV set-top box occurs in the process of terminal use's TV reception is interrupted or during problem such as unusual, just do not show, promptly behind signal or program time-out, can't in time notify the user what problem has specifically taken place, cause this phenomenon to such an extent as to allow the user can't understand what reason, make the user can't be in time with the service provider after sale or customer service link up and get in touch.
[summary of the invention]
The technical problem to be solved in the present invention is to provide set-top box programme signal to be interrupted the automatic testing method that recovers, to discerning unusually automatically of occurring in the digital television receiving process, inform the user in the most easy mode, can solve and in time to notify the user to make the user understand the problem of problem state after signal that set-top box of the prior art exists or program suspend.
The present invention is by solving the problems of the technologies described above by the following technical solutions: set-top box is interrupted the automatic testing method of recovery to programme signal, wherein, comprise: the monitoring deterministic process of the various abnormalities of a plurality of identification front network programme signals: judge whether set-top box tuner is in the lock state, whether set-top box is in the state of playing TV programme, whether be in father and mother and lock locking state, judge whether screen buffer has data, judge whether that the program that the user operates suspends, judge whether picture has had first frame data to occur, judge whether the video data in the ts stream is scrambled data; And the prompting process of a plurality of display abnormality states: prompting CA system problem, cue is interrupted, and the prompting program locks, and prompting front end program suspends, and the program of prompting user operation suspends.
Further, specifically comprise the steps: step 1: monitor procedure begins; Step 2: judge that tuner is in the lock state? be to change step 3 over to; , do not change step 4 over to; Step 3: judge that screen buffer has data? be to get back to step 2 and continue monitoring; , do not change step 6 over to; Step 4: judge whether to be in the broadcast program state? be to change step 5 over to; , do not get back to step 2 and continue monitoring; Step 5: judge whether to be in father and mother and lock locking state? be to change step 11 over to; , do not change step 10 over to; Step 6: judge that ts stream is scrambled data? be to change step 7 over to; , do not change step 12 over to; Step 7: judge whether picture has had first frame data to occur? be to change step 9 over to; , do not change step 8 over to; Step 8: judge whether that the program that the user operates suspends? be to change step 13 over to; , do not change step 12 over to; Mistake appears in step 9:CA system, reads the ca improper value, prompting CA system problem; Step 10: cue is interrupted; Step 11: the prompting program locks; Step 12: prompting front end program suspends; Step 13: the program of prompting user operation suspends.
Further, specifically comprise the steps: step 1: monitor procedure begins; Step 2: judge that tuner is in the lock state? be to change step 3 over to; , do not change step 5 over to; Step 3: judge that screen buffer has data? be to get back to step 2 and continue monitoring; , do not change step 6 over to; Step 4: judge whether to be in the broadcast program state? be to change step 10 over to; , do not get back to step 2 and continue monitoring; Step 5: judge whether to be in father and mother and lock locking state? be to change step 11 over to; , do not change step 4 over to; Step 6: judge that ts stream is scrambled data? be to change step 8 over to; , do not change step 12 over to; Step 7: judge whether picture has had first frame data to occur? be to change step 12 over to; , do not change step 9 over to; Step 8: judge whether that the program that the user operates suspends? be to change step 13 over to; , do not change step 7 over to; Mistake appears in step 9:CA system, reads the ca improper value, prompting CA system problem; Step 10: cue is interrupted; Step 11: the prompting program locks; Step 12: prompting front end program suspends; Step 13: the program of prompting user operation suspends.
Further, describedly judge whether screen buffer has the method for data further to be: write call back function, global variable is set in described call back function represents whether carried out data playback, when changing the platform operation global variable being set is 0, video data was not play in expression, and described call back function registered in the video decode module, when video begins to play, call the described call back function of registration, when calling call back function global variable is changed into 1, video was play in expression, if monitor global variable is 1, judging that then screen buffer has data, is 0 if monitor global variable, judges that then screen buffer does not have data.
Further, whether the described ts of judgement stream is that the method for scrambled data further is: whenever after a while, calling the demultiplexing driving intercepts the data that ts flows, take out the ts bag of 188 bytes, find its scrambling control bit to judge, simultaneously the net load data of ts stream are judged, if pes data, then find the pes scrambling control bit in the pes data,, just think that then video data is a scrambled data if it also is a scrambled state simultaneously.
The automatic testing method that the set-top box that the present invention realized interrupts recovering to programme signal has following advantage: the Automatic Measurement Technique of programme signal being interrupted recovery is effectively convenient, be convenient to after the unusual generation of set-top box, point out various signal conditions to the user clearly, make the user make judgement at various anomalies effectively apace, getting in touch in the process of communication with the service supplier, helping after sale or the contact staff solves the problem that set-top box occurs apace.
[description of drawings]
The present invention is further illustrated in conjunction with specific embodiments with reference to the accompanying drawings.
Fig. 1 is set-top box is interrupted the automatic testing method of recovery to programme signal a first pass block diagram.
Fig. 2 is set-top box is interrupted the automatic testing method of recovery to programme signal second FB(flow block).
[embodiment]
The automatic testing method that set-top box involved in the present invention interrupts recovering to programme signal is: the monitoring deterministic process that comprises the various abnormalities of a plurality of identification front network programme signals: whether the tuner controller (tuner is the DVB-T tuner) of judging set-top box is in the lock state, whether set-top box is in the state of playing TV programme, whether be in father and mother and lock locking state, whether screen buffer has data, whether be the program pause function that the user operates, whether picture has had first frame data to occur, and whether the video data in the transport stream (ts stream) is the judgement of various states such as scrambled data; The prompting process that also comprises a plurality of display abnormality states: prompting CA system problem, cue is interrupted, and the prompting program locks, and prompting front end program suspends, and the program of prompting user operation suspends.
With reference to figure 1, the automatic testing method that set-top box interrupts recovering to programme signal specifically comprises the steps:
Step 1: monitor procedure begins;
Step 2: judge that tuner is in the lock state? be to change step 3 over to; , do not change step 4 over to;
Step 3: judge that screen buffer has data? be to get back to step 2 and continue monitoring; , do not change step 6 over to;
Step 4: judge whether to be in the broadcast program state? be to change step 5 over to; , do not get back to step 2 and continue monitoring;
Step 5: judge whether to be in father and mother and lock locking state? be to change step 11 over to; , do not change step 10 over to;
Step 6: judge that ts stream is scrambled data? be to change step 7 over to; , do not change step 12 over to;
Step 7: judge whether picture has had first frame data to occur? be to change step 9 over to; , do not change step 8 over to;
Step 8: judge whether that the program that the user operates suspends? be to change step 13 over to; , do not change step 12 over to;
Mistake appears in step 9:CA system, reads the ca improper value, prompting CA system problem;
Step 10: cue is interrupted;
Step 11: the prompting program locks;
Step 12: prompting front end program suspends;
Step 13: the program of prompting user operation suspends.
With reference to figure 2, the automatic testing method that set-top box interrupts recovering to programme signal specifically can also be following steps:
Step 1: monitor procedure begins;
Step 2: judge that tuner is in the lock state? be to change step 3 over to; , do not change step 5 over to;
Step 3: judge that screen buffer has data? be to get back to step 2 and continue monitoring; , do not change step 6 over to;
Step 4: judge whether to be in the broadcast program state? be to change step 10 over to; , do not get back to step 2 and continue monitoring;
Step 5: judge whether to be in father and mother and lock locking state? be to change step 11 over to; , do not change step 4 over to;
Step 6: judge that ts stream is scrambled data? be to change step 8 over to; , do not change step 12 over to;
Step 7: judge whether picture has had first frame data to occur? be to change step 12 over to; , do not change step 9 over to;
Step 8: judge whether that the program that the user operates suspends? be to change step 13 over to; , do not change step 7 over to;
Mistake appears in step 9:CA system, reads the ca improper value, prompting CA system problem;
Step 10: cue is interrupted;
Step 11: the prompting program locks;
Step 12: prompting front end program suspends;
Step 13: the program of prompting user operation suspends.
The monitoring of the set-top box involved in the present invention automatic testing method that interruption recovers to programme signal judges that principle is as follows: when set-top box is carried out playing programs, at first to carry out the locking work of signal, mainly required frequency is conducted the locking operations by electronic tuning unit (tuner controller) control tuner, the tuner controller amplifies the radio frequency composite video signal that receives from signal cable (or other transmission mediums), the unwanted electromagnetic wave that filtering receives disturbs the also various radiated interference of suppression receiver itself, and the frequency of required locking adjusted to unified intermediate-freuqncy signal, finish locking to signal.
Particularly, about judging that the way whether first frame data are arranged in the screen buffer is: write call back function, global variable is set in call back function represents whether carried out data playback, when changing the platform operation global variable being set is 0, and video data was not play in expression.And call back function registered in the video decode module.When video begins to play, call the call back function of our registration, we change global variable into 1 at call back function, and video was play in expression.Therefore as long as we monitor global variable is 1, then thinks and once play into the merits and demerits video.
Particularly, about judging whether be: whenever after a while to the mode of scrambled data, calling the demultiplexing driving intercepts the data that ts flows, take out the ts bag of 188 bytes, find its scrambling control bit to judge, simultaneously the net load data of ts stream are judged if the pes data then find the pes scrambling control bit in the pes data, if it also is a scrambled state simultaneously, we just think that video data is a scrambled data.
The set-top box that the present invention realized is interrupted the automatic testing method of recovery to programme signal, lock-out state by tuner controller in the monitoring equipment top box, whether set-top box is in the state of playing TV programme, whether set-top box is in father and mother and locks locking state, whether screen buffer has data, whether be the program pause function that the user operates, whether picture has had first frame data to occur, whether the video data in the ts stream is the judgement of various states such as scrambled data, discern the various abnormalities of front network programme signal, and inform the user by information, think after sale or customer service can be handled problems quickly.
Claims (5)
1. set-top box is characterized in that: comprising the automatic testing method of programme signal interruption recovery:
The monitoring deterministic process of the various abnormalities of a plurality of identification front network programme signals: judge whether set-top box tuner is in the lock state, whether set-top box is in the state of playing TV programme, whether be in father and mother and lock locking state, judge whether screen buffer has data, judge whether that the program that the user operates suspends, judge whether picture has had first frame data to occur, judge whether the video data in the ts stream is scrambled data; And
The prompting process of a plurality of display abnormality states: prompting CA system problem, cue is interrupted, and the prompting program locks, and prompting front end program suspends, and the program of prompting user operation suspends.
2. the automatic testing method that set-top box according to claim 1 is interrupted recovery to programme signal is characterized in that: specifically comprise the steps:
Step 1: monitor procedure begins;
Step 2: judge that tuner is in the lock state? be to change step 3 over to; , do not change step 4 over to;
Step 3: judge that screen buffer has data? be to get back to step 2 and continue monitoring; , do not change step 6 over to;
Step 4: judge whether to be in the broadcast program state? be to change step 5 over to; , do not get back to step 2 and continue monitoring;
Step 5: judge whether to be in father and mother and lock locking state? be to change step 11 over to; , do not change step 10 over to;
Step 6: judge that ts stream is scrambled data? be to change step 7 over to; , do not change step 12 over to;
Step 7: judge whether picture has had first frame data to occur? be to change step 9 over to; , do not change step 8 over to;
Step 8: judge whether that the program that the user operates suspends? be to change step 13 over to; , do not change step 12 over to;
Mistake appears in step 9:CA system, reads the ca improper value, prompting CA system problem;
Step 10: cue is interrupted;
Step 11: the prompting program locks;
Step 12: prompting front end program suspends;
Step 13: the program of prompting user operation suspends.
3. the automatic testing method that set-top box according to claim 1 is interrupted recovery to programme signal is characterized in that: specifically comprise the steps:
Step 1: monitor procedure begins;
Step 2: judge that tuner is in the lock state? be to change step 3 over to; , do not change step 5 over to;
Step 3: judge that screen buffer has data? be to get back to step 2 and continue monitoring; , do not change step 6 over to;
Step 4: judge whether to be in the broadcast program state? be to change step 10 over to; , do not get back to step 2 and continue monitoring;
Step 5: judge whether to be in father and mother and lock locking state? be to change step 11 over to; , do not change step 4 over to;
Step 6: judge that ts stream is scrambled data? be to change step 8 over to; , do not change step 12 over to;
Step 7: judge whether picture has had first frame data to occur? be to change step 12 over to; , do not change step 9 over to;
Step 8: judge whether that the program that the user operates suspends? be to change step 13 over to; , do not change step 7 over to;
Mistake appears in step 9:CA system, reads the ca improper value, prompting CA system problem;
Step 10: cue is interrupted;
Step 11: the prompting program locks;
Step 12: prompting front end program suspends;
Step 13: the program of prompting user operation suspends.
4. according to each described set-top box of claim 1 to 3 programme signal is interrupted the automatic testing method of recovery, it is characterized in that: describedly judge whether screen buffer has the method for data further to be: write call back function, global variable is set in described call back function represents whether carried out data playback, when changing the platform operation global variable being set is 0, video data was not play in expression, and described call back function registered in the video decode module, when video begins to play, call the described call back function of registration, when calling call back function, global variable is changed into 1, video was play in expression, if monitor global variable is 1, judging that then screen buffer has data, is 0 if monitor global variable, judges that then screen buffer does not have data.
5. according to each described set-top box of claim 1 to 3 programme signal is interrupted the automatic testing method of recovery, it is characterized in that: whether the described ts of judgement stream is that the method for scrambled data further is: whenever after a while, calling the demultiplexing driving intercepts the data that ts flows, take out the ts bag of 188 bytes, find its scrambling control bit to judge, simultaneously the net load data of ts stream are judged, if pes data, then find the pes scrambling control bit in the pes data, if it also is a scrambled state simultaneously, just think that then video data is a scrambled data.
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| CN201010146049XA CN101867841B (en) | 2010-04-12 | 2010-04-12 | Automatic detection method for programme signal interrupt recovery of set top box |
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| CN201010146049XA CN101867841B (en) | 2010-04-12 | 2010-04-12 | Automatic detection method for programme signal interrupt recovery of set top box |
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| CN102075811A (en) * | 2010-12-14 | 2011-05-25 | 中山大学 | System and method for self-checking of set-top box |
| CN103596047A (en) * | 2013-11-08 | 2014-02-19 | 上海大亚科技有限公司 | Method for achieving fast restoration under abnormal conditions of set top box tuner |
| CN103634685A (en) * | 2013-12-13 | 2014-03-12 | 乐视致新电子科技（天津）有限公司 | Information promoting method and device |
| CN104735515A (en) * | 2013-12-19 | 2015-06-24 | 乐视网信息技术（北京）股份有限公司 | Method and terminal for displaying video state |
| CN113141525A (en) * | 2021-03-16 | 2021-07-20 | 福建星网智慧科技有限公司 | Online video cut-off continuous playing method and system |
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