CN105323644A - Method for checking playback authorization of program recorded by digital television - Google Patents

Method for checking playback authorization of program recorded by digital television Download PDF

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Publication number
CN105323644A
CN105323644A CN201510662000.2A CN201510662000A CN105323644A CN 105323644 A CN105323644 A CN 105323644A CN 201510662000 A CN201510662000 A CN 201510662000A CN 105323644 A CN105323644 A CN 105323644A
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China
Prior art keywords
playback
file
information
frequency
frequency point
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Granted
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CN201510662000.2A
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Chinese (zh)
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CN105323644B (en
Inventor
魏建军
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201510662000.2A priority Critical patent/CN105323644B/en
Publication of CN105323644A publication Critical patent/CN105323644A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47217End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627Rights management associated to the content

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

The invention relates to playback of set top box programs, and provides a method for checking playback authorization of a program recorded by a digital television. The method comprises the following steps that: firstly, a system acquires recorded program information and corresponding frequency point information thereof, and saves the recorded program information and the corresponding frequency point information in a parameter information file, wherein the parameter information file and a recording generated file are saved in the same recording folder, and the parameter information file is correlated with the recording generated file; secondly, after reception of a playback command, the system detects whether the parameter information file correlated with the recording generated file being played back exists or not, and ends playback if the parameter information file does not exist; if the parameter information file exists, the system reads the parameter information file in order to obtain the program information corresponding to the recording generated file and the corresponding frequency point information of the program information, performs a frequency-locking operation according to the frequency point information, and ends the playback if the frequency locking fails; and if the frequency locking succeeds, the system judges an authorization state according to the program information and the corresponding frequency point information thereof, performs program playback if the authorization state is a clear stream state or authorization is already implemented, and otherwise, ends the playback. The method is suitable for checking the playback authorization of a set top box.

Description

The method of Digital Television program recording playback authorization check
Technical field
The present invention relates to programs of set-top box back method, particularly the method for playback authorization check.
Background technology
Along with the lifting of digital TV contents copyright protection, operator also in increase, checks that program source current grant state is exactly one of new demand to the demand of copyright protection during PVR playback.Current program recording specifies the audio, video data of PID after normally recording descrambling, accurately cannot search program source, also just cannot judge the licensing status in current time of program source according to recorded program.The invention provides a kind of impact in original function situation, before realizing playback program, check the straightforward procedure of program source current grant state.
Summary of the invention
Technical problem to be solved by this invention, a kind of method being just to provide Digital Television program recording playback authorization check, to realize not affecting in original function situation, checks program source current grant state before realizing playback program.
The present invention solve the technical problem, and the technical scheme of employing is, the method for Digital Television program recording playback authorization check, comprising:
Step 1, system obtain by recorded program information and corresponding frequency point information thereof, and are saved to parameter information file, parameter information file with record spanned file and leave under same recorded file press from both sides, associate with recording to be formed between spanned file;
When step 2, system acceptance playback command, whether systems axiol-ogy needs the parameter information file associated by recording spanned file of playback to exist, and is enter step 3; Otherwise end playback;
Step 3, system read parameter information file and obtain programme information corresponding to recording spanned file and corresponding frequency point information thereof, and system carries out frequency locking operation according to frequency point information, and frequency locking success then enters step 4, otherwise terminates playback;
Step 4, system judge licensing status according to programme information and corresponding frequency point information thereof, if licensing status is clear stream or has authorized, carry out programme replay, otherwise terminate playback.
Concrete, in described step 1, at least comprised by videoPID, audioPID, PMTPID and serviceid of program recording by recorded program information.
Concrete, in described step 1, described frequency point information at least comprises tsid and originalnetworkid.
Concrete, in described step 3, system reads parameter information file and obtains programme information corresponding to recording spanned file and corresponding frequency point information thereof, travel through in the database of Set Top Box according to frequency point information and search corresponding frequency, obtain the parameter of frequency and be set to Set Top Box tuner TUNER and carry out frequency locking.
Concrete, the parameter of described frequency, according to different type of machines, at least comprises DVB-C: frequency/symbol rate/QAM, DVB-S/S2: frequency/symbol rate/polarization mode and DVB-T/T2: frequency/bandwidth.
Concrete, in described step 4, Operation system setting videoPID, audioPID, PMTPID, serviceid, tsid and originalnetworkid are to set-top box conditional receiver module, failed then terminate playback, successful then enter licensing status judgement.
Concrete, in described step 4, the licensing status of Set Top Box cyclic query Conditional Access Module feedback, if licensing status is clear stream or has authorized, carries out programme replay, otherwise terminates playback.
Concrete, if Set Top Box cyclic query was more than 10 seconds states of not obtaining the authorization, terminate playback.
The invention has the beneficial effects as follows: the present invention is according to programme information and corresponding frequency point information thereof, by relocking the primary source frequency of program recording, check the program viewing licensing status of user, if licensing status is clear stream or has authorized, carry out programme replay, otherwise terminate playback; The straightforward procedure of program source current grant state is checked before achieving playback program.
Accompanying drawing explanation
Fig. 1 is the flow chart of program recording in the embodiment of the method for Digital Television program recording playback authorization check of the present invention;
Fig. 2 is the flow chart of programme replay in the embodiment of the method for Digital Television program recording playback authorization check of the present invention.
Below in conjunction with the embodiment of embodiment, foregoing of the present invention is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following example.Without departing from the idea case in the present invention described above, the various replacement made according to ordinary skill knowledge and customary means or change, all should comprise within the scope of the invention.
Embodiment
Technical scheme of the present invention is described in detail below in conjunction with drawings and Examples:
The present invention is directed to program recording in prior art and after normally recording descrambling, specify the audio, video data of PID, accurately program source cannot be searched according to recorded program, also the problem of the licensing status in current time of program source cannot just be judged, a kind of method of Digital Television program recording playback authorization check is provided, first, system obtains by recorded program information and corresponding frequency point information thereof, and be saved to parameter information file, parameter information file and record spanned file and leave same recorded file in and press from both sides and lower to associate with recording to be formed between spanned file; Secondly, during system acceptance playback command, whether systems axiol-ogy needs the parameter information file associated by recording spanned file of playback to exist, otherwise terminates playback; Be that then system reads programme information corresponding to parameter information file acquisition recording spanned file and corresponding frequency point information thereof, system carries out frequency locking operation according to frequency point information, and frequency locking failure then terminates playback; Frequency locking success then system judges licensing status according to programme information and corresponding frequency point information thereof, if licensing status is clear stream or has authorized, carries out programme replay, otherwise terminates playback.The present invention, by judging licensing status according to programme information and corresponding frequency point information thereof, if licensing status is clear stream or has authorized, carries out programme replay, otherwise terminates playback; The straightforward procedure of program source current grant state is checked before achieving playback program.
Embodiment
In this example, first system needs to carry out performance recording, concrete performance recording process as shown in Figure 1:
When starting program recording, first, the videoPID/audioPID/PMTPID/serviceid corresponding according to program acquisition and the frequency of correspondence, obtain tsid/originalnetworkid according to frequency.
Secondly, system setup parameters message file file0, videoPID/audioPID/PMTPID/serviceid/tsid/originalnetworki d is saved in file0 by system, this file be kept at corresponding record the same paths that spanned file deposits under.Meanwhile, formed and associate between file0 with recording spanned file.
After performance recording, when starting playback program, the source program that system need be corresponding to the recording spanned file be played judges at the licensing status of current time, specifically judges that flow process is as shown in Figure 2:
Step 1, system open parameter information file file0 under respective path.Failed then return not playback, successful then carry out step 2.
Step 2, system read the content of parameter information file file0, obtain videoPID/audioPID/PMTPID/serviceid/tsid/originalnetworki d.Failed then return not playback, successful then carry out step 3.
Step 3, system, according to tsid/originalnetworkid traversal queries in receiver database, find corresponding frequency, obtain the parameter (DVB-C: frequency/symbol rate/QAM of frequency; DVB-S/S2: frequency/symbol rate/polarization mode; DVB-T/T2: frequency/bandwidth) and be set to Set Top Box tuner TUNER and carry out frequency locking.Failure or locked frequency point then can not return not playback, locking frequency point then carry out step 4.
Step 4, Operation system setting videoPID/audioPID/PMTPID/serviceid/tsid/originalnetworki d are to set-top box conditional receiver module, failed then return not playback, successful then carry out step 5.
Step 5, system are by the licensing status of Set Top Box cyclic query Conditional Access Module feedback, and to get licensing status be clear stream or authorized, then jump out circulation and carry out programme replay; If to get licensing status be unauthorized or circulate beyond 10 seconds states of not obtaining the authorization, then return not playback.

Claims (8)

1. the method for Digital Television program recording playback authorization check, is characterized in that, comprising:
Step 1, system obtain by recorded program information and corresponding frequency point information thereof, and are saved to parameter information file, parameter information file with record spanned file and leave under same recorded file press from both sides, associate with recording to be formed between spanned file;
When step 2, system acceptance playback command, whether systems axiol-ogy needs the parameter information file associated by recording spanned file of playback to exist, and is enter step 3; Otherwise end playback;
Step 3, system read parameter information file and obtain programme information corresponding to recording spanned file and corresponding frequency point information thereof, and system carries out frequency locking operation according to frequency point information, and frequency locking success then enters step 4, otherwise terminates playback;
Step 4, system judge licensing status according to programme information and corresponding frequency point information thereof, if licensing status is clear stream or has authorized, carry out programme replay, otherwise terminate playback.
2. the method for Digital Television program recording playback authorization check according to claim 1, is characterized in that, in described step 1, at least comprised by videoPID, audioPID, PMTPID and serviceid of program recording by recorded program information.
3. the method for Digital Television program recording playback authorization check according to claim 2, it is characterized in that, in described step 1, described frequency point information at least comprises tsid and originalnetworkid.
4. the method for Digital Television program recording playback authorization check according to claim 3, it is characterized in that, in described step 3, system reads parameter information file and obtains programme information corresponding to recording spanned file and corresponding frequency point information thereof, system travels through according to frequency point information and searches corresponding frequency in the database of Set Top Box, obtains the parameter of frequency and is set to Set Top Box tuner TUNER and carries out frequency locking.
5. the method for Digital Television program recording playback authorization check according to claim 4, it is characterized in that, the parameter of described frequency, according to different type of machines, at least comprises DVB-C: frequency/symbol rate/QAM, DVB-S/S2: frequency/symbol rate/polarization mode and DVB-T/T2: frequency/bandwidth.
6. the method for Digital Television program recording playback authorization check according to claim 5, it is characterized in that, in described step 4, Operation system setting videoPID, audioPID, PMTPID, serviceid, tsid and originalnetworkid are to set-top box conditional receiver module, failed then terminate playback, successful then enter licensing status and judge.
7. the method for Digital Television program recording playback authorization check according to claim 6, it is characterized in that, in described step 6, the licensing status of Set Top Box cyclic query Conditional Access Module feedback, if licensing status is clear stream or has authorized, carry out programme replay, otherwise terminate playback.
8. the method for Digital Television program recording playback authorization check according to claim 7, is characterized in that, if Set Top Box cyclic query was more than 10 seconds states of not obtaining the authorization, terminate playback.
CN201510662000.2A 2015-10-14 2015-10-14 The method that DTV records programme replay authorization check Active CN105323644B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105916009A (en) * 2016-05-04 2016-08-31 深圳创维数字技术有限公司 Recording program method and device
CN107124669A (en) * 2017-05-08 2017-09-01 青岛海信电器股份有限公司 A kind of method and apparatus of pre-recording program
CN107396174A (en) * 2017-05-31 2017-11-24 青岛海信电器股份有限公司 A kind of code stream demodulation method and TV
CN109286849A (en) * 2018-10-10 2019-01-29 四川长虹电器股份有限公司 The system and method that the recording and playback of a kind of pair of scrambled program is controlled
CN109743622A (en) * 2019-01-23 2019-05-10 青岛海信电器股份有限公司 A kind of tuning method for parameter configuration, device and equipment based on CAM card
CN112312193A (en) * 2019-07-26 2021-02-02 青岛海信传媒网络技术有限公司 Management method and related device for recorded data of television program

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CN102149013A (en) * 2011-03-29 2011-08-10 深圳创维数字技术股份有限公司 Data processing system and method for digital television as well as digital television receiving terminal
CN102404628A (en) * 2011-12-02 2012-04-04 深圳创维数字技术股份有限公司 Method and device for searching programs for digital television
CN103024475A (en) * 2012-12-21 2013-04-03 深圳市九洲电器有限公司 Method and system of recording and authorization playing of television programs
CN104244068A (en) * 2014-09-04 2014-12-24 深圳市九洲电器有限公司 Recorded program playback processing method and system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102149013A (en) * 2011-03-29 2011-08-10 深圳创维数字技术股份有限公司 Data processing system and method for digital television as well as digital television receiving terminal
CN102404628A (en) * 2011-12-02 2012-04-04 深圳创维数字技术股份有限公司 Method and device for searching programs for digital television
CN103024475A (en) * 2012-12-21 2013-04-03 深圳市九洲电器有限公司 Method and system of recording and authorization playing of television programs
CN104244068A (en) * 2014-09-04 2014-12-24 深圳市九洲电器有限公司 Recorded program playback processing method and system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105916009A (en) * 2016-05-04 2016-08-31 深圳创维数字技术有限公司 Recording program method and device
WO2017190661A1 (en) * 2016-05-04 2017-11-09 深圳创维数字技术有限公司 Method and apparatus for recording program
CN105916009B (en) * 2016-05-04 2019-07-12 深圳创维数字技术有限公司 A kind of method and device for recording program
CN107124669A (en) * 2017-05-08 2017-09-01 青岛海信电器股份有限公司 A kind of method and apparatus of pre-recording program
CN107396174A (en) * 2017-05-31 2017-11-24 青岛海信电器股份有限公司 A kind of code stream demodulation method and TV
CN109286849A (en) * 2018-10-10 2019-01-29 四川长虹电器股份有限公司 The system and method that the recording and playback of a kind of pair of scrambled program is controlled
CN109743622A (en) * 2019-01-23 2019-05-10 青岛海信电器股份有限公司 A kind of tuning method for parameter configuration, device and equipment based on CAM card
CN112312193A (en) * 2019-07-26 2021-02-02 青岛海信传媒网络技术有限公司 Management method and related device for recorded data of television program

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Application publication date: 20160210

Assignee: Sichuan Changhong Xinwang Technology Co.,Ltd.

Assignor: SICHUAN CHANGHONG ELECTRIC Co.,Ltd.

Contract record no.: X2023980043949

Denomination of invention: The Method of Authorization Check for Replaying Digital TV Recorded Programs

Granted publication date: 20180731

License type: Common License

Record date: 20231030