CN1842152A - Method and system for realizing pre-recording based on electronic program guide information - Google Patents
Method and system for realizing pre-recording based on electronic program guide information Download PDFInfo
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Abstract
The invention discloses a method for achieving prerecord based on electronic program guide, which comprises the following steps: a) user end loads and stores the EPG program information and receives the prerecord condition; b) it generates the prerecord task by the received prerecord condition and the current preserved EPG program and time information; c) it quotes whether the current prerecord task meets the initial condition, if yes, it starts the recording, if not, it finishes the current process; d) it quotes whether the current prerecord task meets the finishing condition, if yes, it finishes the recording; if not, it feedbacks to the step d). It also discloses a system for achieving prerecord based on electronic program guide.
Description
Technical field
The present invention relates to the pre-recording technology, refer to a kind of method and system that realize pre-recording based on electronic program guide information especially.
Background technology
In field of broadcast televisions, along with the develop rapidly of Digital Television and improving constantly of customer requirements, electronic program guides (EPG) business becomes an important component part of current simulated television and following Digital Television (DVB) gradually.In the simulated television epoch, because number of channels is limited, the TV programme that people can oneself like by simple remote controller traversal method search.Yet along with the arrival of digital Age, number of channels sharply increases, and channel number becomes hundreds of from tens, and so, simple traversal will become a kind of burden, and is easy to miss the user and wishes the program watched.The EPG business can in time provide abundant, up-to-date programme distant information based on the service interaction of similar internet, and can succinctly and apace carry out the programme content retrieval for the user, thereby greatly promotes the development of TV broadcast business.
So-called electronic program guides (EPG, Electronic Program Guide) is actual to be exactly a kind of real time programme form that is applied to television-viewing, and program can be had access to, be arranged to this program form at any time.Two main occupation modes of EPG are at present: program predetermination and program browsing.For program predetermination, its basic function is that the information of utilizing EPG to provide is arranged the program that will broadcast future, comprise performance recording, program reminding or the like, the user can preestablish oneself program of watching of expectation according to the information that EPG provides, so, the channel that will automatically switch to setting in desired time carries out program viewing or performance recording.For program browsing, its basic function is to utilize the information that EPG provides that the program that will broadcast future is grasped broadcast time, understands the programme content summary, is similar to present user and browses the TV programme newspaper.
As can be seen, EPG can provide real-time help for the user searches and locatees TV programme on the one hand, on the other hand can be for the user provide content information beyond the more TV programme, such as: the program that programm name, program send the brief introduction of actor information, program of (section), program between sowing time even TV guide fragment, utilize the programme information retrieval location that provided oneself to be liked is provided.Lift a simple example, the user sees a movie title, and do not know what concrete content is, also just can't determine whether watch, at this moment, just can utilize content that program brief introduction that EPG provides or TV guide fragment further understand this film and the interest that whether meets oneself, because the figure sector-meeting of the brief introduction of a film or a few width of cloth movie contents has great help to the user.Simultaneously, information such as time, brief introduction have been arranged, the user can also realize personalized timed recording service, for example: the timed recording of setting according to the timed recording of specific channel setting, according to Pgmtime and timed recording of setting according to the programme content brief introduction or the like.In a word, EPG can provide abundant programme information for the user, satisfies the various demand of user.
At present, the EPG operation system adopts two kinds of different implementations to provide EPG performance guide information to the user: a kind of is by the mode of network such as Ethernet or wireless network download, also be referred to as online EPG (Online EPG), EPG information under this mode is generally extend markup language (Extended MarkLanguage) XML form or text formatting (TXT, Text), each have concrete Field Definition, this mode all is suitable for simulated television or Digital Television.Another is the method that is integrated in Digital Television (DVB-C) the video system stream (Video System Streaming), can be referred to as teletext EPG (Teletext EPG), this method is with service/user profile such as EPG (SI, Service/SubscriberInformation) based on the MPEG2-System standard, be packaged into basic information packet stream (EPS by special packing device (Packager), Elementary Packet Stream) or transport stream (TS, TransformationStream), be transferred on the end user device from sending front end (Head-end) by the DVB-C transmission standard then, this mode only is applicable in digital television program Play System and the receiving equipment.
Widely used EPG business is mainly Online EPG mode on simulated television and Digital Television at present, just terminal equipment needs directly to connect Ethernet or enters Ethernet by the wireless mode connection, thereby download the required XML form or the EPG programme of TXT form from specific EPG server, after resolving on the terminal equipment, obtain corresponding programme information by respective field information.
Fig. 1 is the realization flow figure that sends and receive under the Online EPG mode, idiographic flow is: the terminal equipment by integrated EPG business sends EPG programme information download request, this request is generally initiated by the module of being responsible for EPG service communication and EPG information analysis in the equipment, carries the television channel name parameter of request to some extent in the solicited message that is sent; In case the EPG server receives this request, then by the television channel name parameter in the request of extracting, locate the EPG programme information of EPG server this locality, matching E PG programme information is sent to the terminal equipment of the request of initiation; After terminal equipment receives required EPG programme information, send confirmation of receipt and be notified to the EPG server, so far complete successfully the request and the download of EPG programme information.
Based on the default recording function of EPG programme information, be the most common in the multimedia terminal equipment of integrated EPG business, also be one of most crucial application.In the prior art, be similar to the realization that the displaying predetermined programme that carried out on the personal video record consumer electronics kind equipments such as (PVR) is recorded, also only be to be pre-conditioned simply with the time, such as: set the beginning and ending time of recording according to the EPG programme information, finish timed recording.Obviously, existing pre-recording has not been given play to support and the effect to pre-recording of abundant programme information that the EPG business provided fully, be exactly specifically: default to record condition single, and the realization means are abundant inadequately, fail to make full use of the EPG programme information that the EPG business is provided.In addition, since present reservation timed recording all be adopt with the local system time as the mode that compares fiducial time, so, if deviation appears in local BIOS system time, then be easy to cause recording of reserved recording task to fail or recorded content generation deviation, can't guarantee the reliability of pre-recording.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method based on electronic program guide information realization pre-recording, can realize the pre-recording of multiple mode based on the EPG programme information.
Another object of the present invention is to provide a kind of system, can support the realization of various ways pre-recording based on electronic program guide information realization pre-recording.
Further aim of the present invention is to solve the clock drift problem, improves the reliability and the accuracy of pre-recording.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method based on electronic program guide information realization pre-recording, this method may further comprise the steps:
A. user terminal downloads and preserve the EPG programme information, and receive the pre-recording condition;
B. according to the EPG programme information and the temporal information of pre-recording condition that is received and current preservation, generate reserved recording task;
Whether the initial conditions of c. judging current reserved recording task satisfy, if, then start and record, otherwise, step c returned;
Whether the termination condition of d. judging current reserved recording task satisfies, if then finish to record; Otherwise, return steps d.
This method further comprises: user terminal obtains network clocking from network side in real time, and according to the network clocking correcting local clock that is obtained.
In the such scheme, described pre-recording condition comprises Pgmtime information, the described generation reserved recording task of step b is specially: with the pre-recording condition is that index retrieves the program that meets the pre-recording condition from the EPG programme information of current preservation, with each program that retrieves as a reserved recording task, and with the zero-time of the program that retrieves and concluding time initial conditions and termination condition as reserved recording task; Then step c is described is judged as: whether the zero-time of judging current reserved recording task arrives; Steps d is described to be judged as: whether the concluding time of judging current reserved recording task arrives.Wherein, the number of described reserved recording task is greater than 1, and step b further comprises: the priority of all reserved recording tasks by zero-time sorted.After the steps d, this method further comprises: judge whether reserved recording task in addition, if having, then sequential read is got next reserved recording task and is returned step c; Otherwise, finish current handling process.
In the such scheme, described pre-recording condition is non-temporal information, the described generation reserved recording task of step b is specially: with the pre-recording condition is that index retrieves the program that all meet the pre-recording condition from the EPG programme information of current preservation, with each program that retrieves as a reserved recording task; Obtain and store the zero-time and the concluding time of each program that retrieves, with each zero-time of being obtained and concluding time initial conditions and termination condition as each reserved recording task; Then step c is described is judged as: whether the zero-time of judging current reserved recording task arrives; Steps d is described to be judged as: whether the concluding time of judging current reserved recording task arrives.Wherein, the number of described reserved recording task is greater than 1, and step b further comprises: the priority of all reserved recording tasks by zero-time sorted.After the steps d, this method further comprises: judge whether reserved recording task in addition, if having, then sequential read is got next reserved recording task and is returned step c; Otherwise, finish current handling process.
The present invention also provides a kind of and realizes the system of pre-recording based on electronic program guide information, and this system comprises: user interface, be used to provide user interface, and the pre-recording that the control command of user's input is sent to EPG information applying unit is provided with the unit; Terminal Control Element is used to the execution creating reserved recording task and control recording task and the reception of TV programme and broadcast; EPG information applying unit is used to handle the operation relevant with the EPG programme information.
Wherein, described Terminal Control Element comprises: the television program record unit is used for recording TV program; TV programme receives and broadcast unit, is used to receive all TV programme signal and plays the TV programme that is received; The reserved recording task monitoring unit is used to search the program that meets the pre-recording condition and generates reserved recording task, and the execution of control reserved recording task.
Wherein, described Terminal Control Element further comprises: the network clocking lock unit is used for according to the real-time correcting local clock of network clocking, and corrected local clock is offered the reserved recording task monitoring unit.Described EPG information applying unit further comprises: EPG programme information classification display unit is used for the up-to-date EPG programme information of EPG information plug-in download being classified and offering the user; Pre-recording is provided with the unit, is used for receiving based on the pre-recording condition of EPG information and is stored in the reserved recording task database.
The method and system of realizing pre-recording based on electronic program guide information provided by the present invention, owing to combine the diversity of EPG programme information, greatly enriched the core application functionality of pre-recording, make the user can realize real-time performance recording business according to the needs of oneself fully, changed only is the pre-recording condition with time in the past, and recording function uses inflexible problem.Among the present invention, the user can and only need to set the recorded program of wanting, for example: can adopt the pre-recording mode of setting program brief introduction content keyword with reference to the EPG programme information that parses fully, record all relevant programs, make reserved recording task can be flexibly, realize easily.And the user only need set and once just can be recorded to all relevant programs, and unlike needing the user to set repeatedly in the past, has simplified operating process greatly, has improved usability, more meets user's actual use habit.
Come the correcting local clock owing to adopt network clocking as reference clock, therefore, can solve the time deviation problem of in the past utilizing the BIOS clock to be brought fully, thereby guarantee the accuracy of user's recording task, situation takes place to prevent that recorded program content mistake or recording task from losing etc.
In addition, the present invention has been applicable to a lot of integrated media terminal apparatus of EPG business, and versatility is stronger, realizes more simple and convenient, for user's application brings great lifting.
Description of drawings
Fig. 1 is the realization flow figure that sends and receive under the Online EPG mode;
Fig. 2 is the enforcement illustration of EPG programme information storage in the 2-D data storehouse;
Fig. 3 is a kind of realization flow figure of the inventive method;
Fig. 4 is the another kind of realization flow figure of the inventive method;
Fig. 5 is the pre-recording realization flow figure based on keyword;
Fig. 6 is the composition structural representation of system of the present invention.
Embodiment
The EPG programme information comprises title and the broadcast time section of program, the brief introduction of program, performer's brief introduction of program and the classification under the program of TV programme of standard name, the channel correspondence of channel, as amusement, physical culture, finance and economics or the like, terminal equipment is downloaded and parsing EPG programme information from the EPG server by the EPG information plug-in unit of self downloading from the EPG server, therefrom extracts required information then.
Here, described EPG information plug-in unit is the logical functional entity with the download of EPG programme information and analytical capabilities, and this EPG information plug-in unit carries out with HTTP mode and EPG server alternately.Each EPG server all has one's own EPG information plug-in unit, be positioned in the EPG server, the Any user terminal need be when certain EPG server be downloaded corresponding EPG programme information, download corresponding EPG information plug-in unit from this EPG server earlier, utilize the EPG information plug-in unit of being downloaded to download required EPG programme information again from the EPG server of correspondence.A user terminal can be downloaded a plurality of EPG information plug-in units simultaneously, and utilizes the EPG information plug-in unit of being downloaded to download required EPG programme information from different EPG servers.How the particular user terminal downloads EPG information plug-in unit, how to utilize EPG information plug-in unit to download required EPG programme information from the EPG server, open in another patent application, is not described in detail in this.
The EPG programme information of downloading from the EPG server is stored on the user terminal after resolving, the EPG programme information of this download can also offer the user by the user interface (UI) that is provided with on the user terminal, such as: show that the EPG programme information gives the user, plays the EPG programme information to the user etc.The EPG programme information of being downloaded can be stored as the database of two dimension according to the incidence relation between the information, such as: with all programme informations of every day with channel designation and broadcast time section divide, user terminal extracts channel designation from the EPG programme information that parses, and pairing all programs of each channel are stored in the 2-D data storehouse, as shown in Figure 2 on a time period.What Fig. 2 showed is the programme information on Friday on the 28th January in 2005, wherein, the longitudinal axis in 2-D data storehouse is a channel designation, and transverse axis is the time period, be mapped be exactly each concrete channel concrete some day from morning the 0:00 point to all the program arrangements evening on the same day 11:59.
Because EPG programme information kind is rich and varied, therefore, can support the multiple search condition except that temporal information, such as: the required TV programme of programm name, program brief introduction or the like information retrieval utilized.So, professional and have the user terminal of recording function for integrated EPG, just can be with the conditional parameter of different programme informations as pre-recording.Here, the user terminal of described integrated EPG business is meant the various terminal equipments that can download the EPG programme information from the EPG server; The parameter that can be set to the pre-recording condition can be any programme information that can provide in the EPG programme information or the combination of any several programme informations, and the present invention does not do qualification.No matter preengaging conditional parameter is what, and its flow process that realizes pre-recording all is identical.
As shown in Figure 3, the present invention is based on the EPG programme information and realize that the method for pre-recording may further comprise the steps:
Step 301: user terminal downloads is also preserved up-to-date EPG programme information, and, receive and storage pre-recording condition.
In this step, user terminal is the terminal equipment of integrated EPG business, can download up-to-date EPG programme information at any time from the EPG server by the EPG information plug-in unit of downloading from the EPG server, and preserves the EPG programme information through resolving; The pre-recording condition is the user by the user interface input, and the pre-recording condition can be a programme information arbitrarily.
Step 302:, generate reserved recording task according to the EPG programme information and the temporal information of pre-recording condition that is received and current preservation.
Here, described generation reserved recording task is actual to be exactly: with the pre-recording condition is that index is searched the program that all meet the pre-recording condition in the EPG of current preservation programme information, each program that finds as a reserved recording task, is preserved the information such as title, zero-time, concluding time of this program.If comprise Pgmtime information in the pre-recording condition, then directly store the zero-time and the concluding time of respective program; If the pre-recording condition is non-temporal information, the zero-time and the concluding time of then obtaining each program that is found earlier, storage again.The reserved recording task that is generated can have one or more, if there are a plurality of reserved recording tasks, can sort by the priority of program zero-time.
According to the difference of pre-recording condition setting, the processing of reserved recording task is also different.Such as: with the combination of channel designation and Pgmtime as the pre-recording condition, the initial conditions of reserved recording task and termination condition are exactly the zero-time and the concluding time of program, so, whether just directly detect the current time is the zero-time of reserved recording task, if then record the program of specified channel; In recording process, whether be the concluding time of reserved recording task, if then stop to record if detecting the current time in real time.Here, how user terminal finds the signal of specified channel, generally is the signal of distinguishing and receive corresponding channel on different frequent points by the characteristic that different channel transmits, and concrete recognition methods belongs to prior art, does not repeat them here.For another example, with the condition of programm name as pre-recording, then earlier according to the programm name of the EPG programme information of current preservation and set pre-recording, find all to meet the program of pre-recording condition, and obtain each zero-time of wanting program recording and concluding time, then, record according to current time and relatively the determine startup and the end of recording zero-time and concluding time.
Table one is the corresponding relation between several different pre-recording conditions and trigger condition and the pre-recording realization logic, and table one only is several embodiment, and the brief introduction of program described in the table one keyword can be movie name, performer's title or the like.
| Conditional parameter | Trigger condition | Pre-recording is realized logic |
| Channel designation+Pgmtime | Specify a certain channel, the Qi Shishi of reservation | According to specified conditional parameter, work as inspection |
| Between trigger and to record beginning, the concluding time triggers and records end | Measure to trigger and record the beginning condition and satisfy, transferred the pre-recording program to record automatically; Detect and record termination condition and satisfy, trigger and finish current recording task | |
| Programm name | The title of appointed program, according to the EPG programme information, when detecting current programm name information when consistent, trigger pre-recording with conditional parameter; Concluding time according to this program in the EPG programme information stops recording. | According to specified conditional parameter, record the beginning condition and satisfy when detecting to trigger, to have transferred the pre-recording program to record automatically; Detect and record termination condition and satisfy, trigger and finish current recording task |
| Program brief introduction keyword | The programme content keyword that utilizes the user to import, content in the deblurring coupling EPG programme information, in case the program (having a plurality of) on the coupling begins to play, just start timed recording automatically; Program finishes then to record to stop. | According to specified conditional parameter, record the beginning condition and satisfy when detecting to trigger, to have transferred the pre-recording program to record automatically; Detect and record termination condition and satisfy, trigger and finish current recording task |
Table one
No matter what set pre-recording condition is, as can be seen, for recording task, time is a very crucial parameter, whether whether the time accurately directly relates to recording task can complete successfully, that is to say whether recorded content complete, whether have deviation all relevant with the time, the time accurately could guarantee to start and that end is recorded is accurate.Only be as the criterion in the prior art with local clock, that is to say that system clock such as BIOS clock with terminal equipment itself are as the criterion, so, if the clock of terminal equipment makes a mistake or deviation, can't find, therefore at all, the present invention is in order to guarantee the order of accuarcy of clock, introduced reference clock as the reference clock, come synchronous local clock with reference clock, to guarantee the accuracy of local clock.
In addition, a plurality of pre-recording conditions can be set simultaneously, a plurality of pre-recording conditions can be identical or different.Different and when clashing when the pre-recording condition, can handle according to the principle of recording that sets in advance, such as: in chronological sequence order is recorded, and has recorded a program and has begun to record another program again; Perhaps, be provided with and preferentially record the sport category program, when clashing,, just finish recording of current program, begin to record the sport category program if one of them belongs to the sport category program.In order to store all recording task information, also be provided with the database of the pre-recording conditional parameter of each reserved recording task correspondence of storage among the present invention, can be described as the reserved recording task database, the pre-recording conditional parameter can be any one information in the EPG programme information or the combination of multiple information.Detect among the present invention and whether meet the pre-recording condition, whether start the operation of recording, whether finishing to record and to unify to finish by a pre-recording monitoring program, whether this monitoring program can also be monitored local clock simultaneously synchronous with reference clock, if asynchronous, correcting local clock then.This pre-recording monitoring program is arranged in the user terminal, it is the service routine (Service) that is in operating system (OS) level, this pre-recording monitoring program operation at once behind the os starting, and can not close along with closing of end application, relative independence had.In a single day at any time detect the reserved recording task condition and satisfy, record with regard to having transferred the terminal application program.Here, described end application is meant the program of being responsible for recording TV program, and described accent rises and is meant: if end application is closed, then restart end application; If end application is not closed, then activate this end application.
As shown in Figure 4, the present invention realizes that the process of pre-recording is:
The user is by user interface input pre-recording condition, and user terminal receives and preserve the pre-recording condition; Whether the entry condition that detects pre-recording then in real time satisfies, if satisfy, then begin to record corresponding programme content, simultaneously, whether the termination condition that detects pre-recording in real time satisfies, if satisfy, finish current performance recording task, afterwards, whether the pre-recording condition that continues other reserved recording task of detection again satisfies, and continues to finish next reserved recording task.If current only have a reserved recording task, so, also can finish the entire process flow process when finishing recording.In the entire process process, user terminal links to each other with the network equipment that reference clock can be provided simultaneously, obtain network clocking in real time as reference clock, with the real-time correcting local clock of the reference clock that is obtained, being about to local clock and reference clock carries out synchronously, and will be used for comparison with reserved recording task start-up time and concluding time through the local clock of overcorrect, to guarantee to start the accuracy of recording and finishing to record.
Fig. 5 is for carrying out an embodiment of pre-recording based on the programme content keyword, keyword described here can be the word that occurs in actor names, all or part of title of program, the program brief introduction, as " 007 series " or the like, as shown in Figure 5, be that the pre-recording conditional parameter realizes that the process of pre-recording comprises with the programme content keyword:
At first, user terminal receives the keyword of user's input, and carry out fuzzy matching in the EPG programme information of keyword after parsing according to user's input and retrieve, in case detected in certain program brief introduction and this keyword occurred, just the information such as title, zero-time and concluding time with this program deposit in the reserved recording task database, as a reserved recording task; Retrieve whole EPG programme information 2-D data storehouse, up to the program of finding out all and this keyword coupling, and the information such as title, zero-time and concluding time of each program of finding out are all deposited in the reserved recording task database, can sort by the sequencing of zero-time for all reserved recording tasks that are stored in the database.Then, read program start time and concluding time in article one reserved recording task successively according to time sequencing, read the local clock that passes through with the real-time synchronous mistake of network clocking simultaneously, the two compares, in case finding the time started of the program recording of wanting arrives, then start and record process, record according to the television channel at appointed program place.In recording process, concluding time and the local clock with current program recording compares in real time, arrives in case find the concluding time of current program recording, then finishes current recording at once.After this process of recording still keeps, detect the recording task that whether satisfies the pre-recording condition in the reserved recording task database in addition, if have, then continue to read corresponding program start time and concluding time in this task, compare with local clock, record the startup trigger condition in case meet, then begin new recording task, repeat the above-mentioned operation whether other recording task is arranged of recording, finish, detect then, in case detect the reserved recording task that discovery does not satisfy condition, then finish to record process and withdraw from once.In actual applications, the implementation procedure of above-mentioned pre-recording is finished by the pre-recording monitoring program that is arranged in the user terminal.Wherein, fuzzy matching is exactly that whether compare string is identical simply, such as: with " 007 series " is that keyword is retrieved in whole EPG programme information 2-D data storehouse, and what find out is all programs that contain " 007 series " character.
For realizing reserving record method of the present invention, the present invention also proposes a kind of system based on EPG programme information realization pre-recording, and as shown in Figure 6, this system comprises three parts:
User interface (UI, User Interface) mainly is to provide the inlet that uses application program to the user, such as: according to EPG information setting pre-recording conditional parameter; User terminal is by the order that is provided with of user interface reception user input, and the pre-recording of delivering to EPG information applying unit is provided with the unit and handles.
Terminal Control Element is used to the execution creating reserved recording task and control recording task and the reception of TV programme and broadcast; This Terminal Control Element further comprises: the television program record unit is used for recording TV program; TV programme receives and broadcast unit, is used to receive all TV programme signal and plays the TV programme that is received; The reserved recording task monitoring unit, be used for obtaining the pre-recording condition and all meet the program of pre-recording condition in the retrieval of current EPG programme information from EPG information applying unit, the starting and ending time of all programs that extraction retrieves, generate reserved recording task, then, according to local clock and the comparison of program starting and ending time, control performance recording starting and ending; The network clocking lock unit is used to receive network clocking and according to the real-time correcting local clock of the network clocking that is received, and corrected local clock is offered the reserved recording task monitoring unit.
EPG information applying unit is used to handle the operation relevant with the EPG programme information, comprising: EPG programme information classification display unit is used for EPG information EPG programme information plug-in download, up-to-date being classified and being shown to the user; Pre-recording is provided with the unit, is used for receiving based on the pre-recording condition of EPG information and is stored in the reserved recording task database.
Pre-recording realization flow based on the EPG programme information proposed by the invention is applicable to all integrated multimedia terminal equipments of EPG business fully, such as:
For electrification of domestic PC equipment such as (EPC), owing to adopt general X86 hardware structure, no matter be based on Windows, Mac OS, or (SuSE) Linux OS, need to adopt the pre-recording monitoring program of system of the present invention and the method for the invention correspondence in the terminal equipment, mix EPG information plug-in unit again; For server side, then need to provide EPG information plug-in unit and carry out mutual EPG service routine, and network clocking is provided with EPG information plug-in unit.All realizing by terminal equipment access network based on ethernet network synchronously of the download of EPG programme information and network clocking can certainly support to utilize the mode of agreement access radio network gateways such as wireless (Wireless) 802.11a/b/g to insert.
For media devices such as PVR and STB, its hardware structure is varied, in terminal equipment, need to adopt the pre-recording monitoring program of system of the present invention and the method for the invention correspondence, mix EPG information plug-in unit again, TV programme wherein receives and broadcast unit needs hardware supports such as television video card; For server side, then need to provide EPG information plug-in unit and carry out mutual EPG service routine, and network clocking is provided with EPG information plug-in unit.All realizing by media device access network based on ethernet network synchronously of the download of EPG programme information and network clocking can certainly support to utilize the mode of agreement access radio network gateways such as Wireless 802.11a/b/g to insert.
For hand-held (Handset) terminal equipment PDA for example, owing to all adopt the embedded hardware framework, its network access mode is generally in netting twine Wireless mode, so need the support (PCMCIA/CF Interface) of wireless network card hardware.Need to adopt the pre-recording monitoring program of system of the present invention and the method for the invention correspondence in the hand-held terminal device, mix EPG information plug-in unit again, also need to be provided with the wireless access control module; For server side, then need to provide EPG information plug-in unit and carry out mutual EPG service routine, and network clocking is provided with EPG information plug-in unit.The download that information and clock all are provided by radio network gateway in the mode of wireless access synchronously of the download of EPG programme information and network clocking.
Based on the multimedia handset terminal equipment, because this kind equipment all adopts microwave mobile communication agreement such as GSM/CDMA/UWB to carry out the exchange and the transmission of data, this locality just has the RF radio-frequency module to support the microwave communication modulation, so in the multimedia handset terminal equipment, need to adopt the pre-recording monitoring program of system of the present invention and the method for the invention correspondence, mix EPG information plug-in unit again, but reception of TV programme wherein and broadcast unit are the television video streaming media playing modules at the microwave communication agreement; For server side, then need to provide EPG information plug-in unit and carry out mutual EPG service routine, and network clocking is provided with EPG information plug-in unit.All can providing by the mobile communication gateway of mobile communication carrier synchronously of the download of EPG programme information and network clocking, terminal equipment inserts by the microwave communication agreement.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (12)
1, a kind of method based on electronic program guide information realization pre-recording is characterized in that this method may further comprise the steps:
A. user terminal downloads and preserve the EPG programme information, and receive the pre-recording condition;
B. according to the EPG programme information and the temporal information of pre-recording condition that is received and current preservation, generate reserved recording task;
Whether the initial conditions of c. judging current reserved recording task satisfy, if, then start and record, otherwise, step c returned;
Whether the termination condition of d. judging current reserved recording task satisfies, if then finish to record; Otherwise, return steps d.
2, method according to claim 1 is characterized in that, this method further comprises: user terminal obtains network clocking from network side in real time, and according to the network clocking correcting local clock that is obtained.
3, method according to claim 1 and 2 is characterized in that, described pre-recording condition comprises Pgmtime information, and the described generation reserved recording task of step b is specially:
With the pre-recording condition is that index retrieves the program that meets the pre-recording condition from the EPG programme information of current preservation, with each program that retrieves as a reserved recording task, and with the zero-time of the program that retrieves and concluding time initial conditions and termination condition as reserved recording task;
Step c is described to be judged as: whether the zero-time of judging current reserved recording task arrives;
Steps d is described to be judged as: whether the concluding time of judging current reserved recording task arrives.
4, method according to claim 3 is characterized in that, the number of described reserved recording task is greater than 1, and step b further comprises: the priority of all reserved recording tasks by zero-time sorted.
5, method according to claim 4 is characterized in that, after the steps d, this method further comprises: judge whether reserved recording task in addition, if having, then sequential read is got next reserved recording task and is returned step c; Otherwise, finish current handling process.
6, method according to claim 1 and 2 is characterized in that, described pre-recording condition is non-temporal information, and the described generation reserved recording task of step b is specially:
With the pre-recording condition is that index retrieves the program that all meet the pre-recording condition from the EPG programme information of current preservation, with each program that retrieves as a reserved recording task; Obtain and store the zero-time and the concluding time of each program that retrieves, with each zero-time of being obtained and concluding time initial conditions and termination condition as each reserved recording task;
Step c is described to be judged as: whether the zero-time of judging current reserved recording task arrives;
Steps d is described to be judged as: whether the concluding time of judging current reserved recording task arrives.
7, method according to claim 6 is characterized in that, the number of described reserved recording task is greater than 1, and step b further comprises: the priority of all reserved recording tasks by zero-time sorted.
8, method according to claim 7 is characterized in that, after the steps d, this method further comprises: judge whether reserved recording task in addition, if having, then sequential read is got next reserved recording task and is returned step c; Otherwise, finish current handling process.
9, a kind ofly realize the system of pre-recording it is characterized in that this system comprises based on electronic program guide information: user interface, be used to provide user interface, the pre-recording that the control command of user's input is sent to EPG information applying unit is provided with the unit;
Terminal Control Element is used to the execution creating reserved recording task and control recording task and the reception of TV programme and broadcast;
EPG information applying unit is used to handle the operation relevant with the EPG programme information.
According to the described system of claim 9, it is characterized in that 10, described Terminal Control Element comprises:
The television program record unit is used for recording TV program;
TV programme receives and broadcast unit, is used to receive all TV programme signal and plays the TV programme that is received;
The reserved recording task monitoring unit is used to search the program that meets the pre-recording condition and generates reserved recording task, and the execution of control reserved recording task.
11, according to the described system of claim 10, it is characterized in that, described Terminal Control Element further comprises: the network clocking lock unit is used for according to the real-time correcting local clock of network clocking, and corrected local clock is offered the reserved recording task monitoring unit.
According to claim 10 or 11 described systems, it is characterized in that 12, described EPG information applying unit further comprises: EPG programme information classification display unit is used for the up-to-date EPG programme information of EPG information plug-in download being classified and offering the user;
Pre-recording is provided with the unit, is used for receiving based on the pre-recording condition of EPG information and is stored in the reserved recording task database.
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| CNB200510059843XA CN100428789C (en) | 2005-03-31 | 2005-03-31 | Method and system for realizing pre-recording based on electronic program guide information |
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| CNB200510059843XA CN100428789C (en) | 2005-03-31 | 2005-03-31 | Method and system for realizing pre-recording based on electronic program guide information |
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