CN101568022B - Program-playing method and media player - Google Patents
Program-playing method and media player Download PDFInfo
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- CN101568022B CN101568022B CN2008102225555A CN200810222555A CN101568022B CN 101568022 B CN101568022 B CN 101568022B CN 2008102225555 A CN2008102225555 A CN 2008102225555A CN 200810222555 A CN200810222555 A CN 200810222555A CN 101568022 B CN101568022 B CN 101568022B
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Abstract
The invention discloses a program-playing method. The method comprises the following steps: acquiring a to-be-played program and adding the to-be-played program to a to-be-played program queue; playing the program content of the to-be-played program queue; and selecting programs from a reserve program list and adding the programs to the to-be-played program queue if the to-be-played program queue is null. By applying the method, systems can automatically play the programs under centralized control. The embodiment of the invention also provides a media player.
Description
Technical field
The present invention relates to passenger information system (PIS, Passenger Information System), particularly a kind of method of broadcast program and media player in the passenger information system.
Background technology
Be accompanied by rapid economy development, the quantity of public transports such as public transport, subway, train, aircraft, steamer is also increasing sharply.Facing to complicated day by day public transportation system, operator need realize the automation and the computerization of internal control on the one hand, and the passenger also needs by fast, mode obtains timely operation information and leads the service of taking advantage of intuitively on the other hand.
There is the system of many types to be used for providing information service at present, mainly contains broadcasting, light-emitting diode (LED), digital video disk (DVD), teletext to the passenger.Wherein, the broadcasting scope of application is the widest, and have immediately, characteristics easily service time the earliest, but voice service can only be provided; LED can show contents such as the operation moment, roll titles information, and what have can also show simple pictorial information, and shortcoming is that amount of information is limited; The player of move medias such as DVD or support USB flash disk can be play various types of multimedia messagess, and shortcoming is to accomplish that instant messages upgrades; Though teletext can play multimedia information, have in real time simple advantage, can't accomplish personalization, can not issue the different information contents according to the characteristics of different location.
In recent years, along with popularizing and the practicability of multimedia technology of computer network, the multi-medium information spreading system based on the computer networking has appearred also, for example, and electronic bus stop board, subway network multi-media broadcasting system, outdoor electronic bill-board etc.Generally all there is an information distribution center software in these systems, be responsible for making programme, and the relevant program back of packing together is sent on the playback terminal by network, playback terminal broadcasts the program and the operation information of appointment according to the requirement of programme according to certain rule.By means of computer networking technology, content displayed can upgrade in time easily; By means of multimedia technology, the form of demonstration also can be varied; In addition, adopt certain control method, can also accomplish,, broadcast different contents according to different demands in different places.
Above-mentioned system based on the multimedia computer network technology, the common problem that exists is that each system is independent separately at present, lack unified centralized control, be fully independently between the public transport in same city and the subway not only, even also have separately between the different circuits of subway and oneself independently issue the center, the operation information form is also various, each other almost without any information interchange, even all disconnects on physical network.And, do not have a kind of in the prior art based on central controlled program broadcasting method yet.
Summary of the invention
The embodiment of the invention provides a kind of method and media player based on the broadcast program under system's centralized control, so that system realizes the automatic broadcast of program under centralized control.
The embodiment of the invention provides a kind of method of broadcast program, is used for passenger information system PIS, and described method comprises:
Obtain program to be broadcast, described program to be broadcast is added wait to broadcast the program formation; Wherein, described program to be broadcast obtains from the fixed program inventory, and/or, from the pairing event programs inventory of response events, obtain;
Choose and play the described programme content of waiting to broadcast in the program formation;
If describedly wait to broadcast the program formation, then broadcast and select program to join the program inventory describedly to wait to broadcast in the program formation from pad for empty.
Wherein, the described step of obtaining program to be broadcast from the fixed program inventory comprises:
A, the record of timing scan local program monocular are judged the programme that whether has latest edition in the described programme catalogue, if then the programme of described latest edition is set to current programme, then execution in step B;
B, judge in the fixed program inventory of described current programme whether program to be broadcast is arranged, if then described program to be broadcast is joined the described program formation of waiting to broadcast.
Wherein, the described step of obtaining program to be broadcast from the pairing event programs inventory of response events comprises:
Scanning of home event queue catalogue has judged whether overdue incident, if having, then the query event program inventory will respond the required broadcast program of the described incident that expires and join the described program formation of waiting to broadcast.
Wherein, the described step of waiting to broadcast the programme content of program formation of described broadcast comprises:
The described program of waiting to broadcast in the program formation of played in order; Perhaps,
According to the priority of program customizing and the priority of programme content, from described wait to broadcast choose the highest program of priority level the program formation and play.
Wherein, playing describedly when waiting to broadcast the programme content of program formation, further comprising:
A, judge and currently just whether wait to broadcast the programme content priority of waiting to broadcast program in the program formation less than described in the programme content priority of broadcast program, if, execution in step b then, otherwise continue to play current in progress program;
B, interrupt current in progress program, from described wait to broadcast choose program described to be broadcast the program formation and play; Repeated execution of steps a afterwards.
Wherein, further comprise: after whenever finishing a program, generate one and play record, write and specify in the journal file.
The embodiment of the invention also provides a kind of media player, is used for passenger information system PIS, and described media player comprises:
Obtain subelement, be used to obtain program to be broadcast, described program to be broadcast is added wait to broadcast the program formation; Wherein, described program to be broadcast obtains from the fixed program inventory, and/or, from the pairing event programs inventory of response events, obtain;
Play subelement, be used for choosing and playing the described programme content of waiting to broadcast the program formation;
Insert subelement, be used for waiting to broadcast the program formation when empty, broadcast from pad and select program to join the program inventory describedly to wait to broadcast in the program formation described.
Wherein, described media player also comprises:
The programme content judgment sub-unit, be used for play described when waiting to broadcast the programme content of program formation, judge and currently just wait to broadcast when waiting in the program formation to broadcast the programme content priority of program less than described that notice is interrupted the gravity treatment subelement in the programme content priority of broadcast program;
Interrupt the gravity treatment subelement, be used to interrupt current in progress program, from described wait to broadcast choose program to be broadcast the program formation, notice is play subelement and is play the current program of reselecting; Notify programme content judgment sub-unit executable operations once more afterwards.
Wherein, described media player also comprises: the record subelement, be used for whenever finishing a program after, generates one and plays record, write in the appointment journal file.
Use the present invention, make system under centralized control, realize the automatic broadcast of program, when common video program and advertising message are provided, can also issue real-time operation information and information on services to the passenger, and under the state of emergency, can guide passenger's rapid evacuation.
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Description of drawings
Figure 1A is the system's packet configuration schematic diagram according to the embodiment of the invention;
Figure 1B is the institutional framework schematic diagram according to the public transport grouping of the embodiment of the invention;
Fig. 1 C is the institutional framework schematic diagram according to the subway grouping of the embodiment of the invention;
Fig. 1 D is the institutional framework schematic diagram according to the train grouping of the embodiment of the invention;
Fig. 1 E is the institutional framework schematic diagram according to the aircraft grouping of the embodiment of the invention;
Fig. 1 F is the institutional framework schematic diagram according to the steamer grouping of the embodiment of the invention;
Fig. 2 is the passenger information service system hardware configuration schematic diagram of the embodiment of the invention;
Fig. 3 is the interior software configuration schematic diagram of passenger information service system of the embodiment of the invention;
Fig. 4 is the schematic flow sheet according to the automatically scheduling programs of the embodiment of the invention;
Fig. 5 is the flow chart according to the overall broadcast program of the embodiment of the invention;
Fig. 6 is the flow chart of the broadcast program of one specific embodiment according to the present invention;
Fig. 7 is the structural representation according to the media player of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is described clearly and completely, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, all other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belong to the scope of protection of the invention.
At first need to prove the organizational structure of the embodiment of the invention by playing in broadcast point, the broadcast group define system.
Described " broadcast point ", be defined as can broadcast program a place, i.e. point.Usually each " broadcast point " can be equipped with a plurality of equipment down, and is furnished with a media controller to I haven't seen you for ages.Set with common trait one or more " broadcast points " can constitute one " broadcast group ", and one " broadcast group " can also comprise the set of one or more " broadcast groups " with common trait.
System wishes all broadcast points by the definition of " broadcast point ", " broadcast group " according to the user structural group is made into an architecture that meets operation flow.For example, in public transit system, broadcast point is public transit vehicle or bus stop, organizes to be public bus network, public transport company or city; And in aircraft system, put and be that aircraft and airport stop the position, organize and be airport or terminal.
By point, the architecture formed of group tree normally, also can form the structure of a figure sometimes.Usually do not have public member between the group, occuring simultaneously is sky, but sometimes for the ease of management, some group can and other group between share some member and produce common factor.
Referring to Figure 1A～Fig. 1 F, rectangle frame is represented the broadcast group among the figure, and circular frame table shows broadcast point.Figure 1A is the packet configuration figure of the system schematic diagram according to the embodiment of the invention, comprises public transport, subway, train, aircraft, five top groupings of steamer.Figure 1B～1F is respectively system's packet configuration schematic diagram of public transport, subway, train, aircraft, steamer.Figure 1B～1F is respectively system's packet configuration schematic diagram of public transport, subway, train, aircraft, steamer.
Fig. 2 is the passenger information service system hardware configuration schematic diagram of the embodiment of the invention.It comprises:
Above-mentioned entity links to each other by computer network.
Fig. 3 is the interior software configuration schematic diagram of passenger information service system of the embodiment of the invention.Wherein, comprise that the system management module 2121 that is positioned on the central server, content managing module 2122, columns management module 2123, customized management module 2124, medium compile broadcasting module 2125, release management module 2126, can also comprise that audit administration module 2127 and prison broadcast administration module 2128; Be positioned at the medium Broadcast Control module 2211 on the media controller, be positioned at action listener module 2131 and incident distribution module 2132 on the signal server.
The denomination of invention that the specific descriptions of relevant passenger information service system software and hardware structure of the present invention can be submitted referring to the applicant same day is the patent application document of " a kind of passenger information service system and its implementation ".
Referring to Fig. 4, it is the schematic flow sheet according to the automatically scheduling programs of the embodiment of the invention.
The denomination of invention that the specific descriptions of relevant programme of the present invention and automatic editing thereof can be submitted referring to the applicant same day is the patent application document of " a kind of method of automatically scheduling programs and device ".
Before concrete enforcement embodiments of the invention, the masterplate that the release management module has been used with the program to be broadcast content of programme, described programme correspondence and when broadcasting is sent to the pairing media control unit of each broadcast point, and comprises in the described programme that the fixed program inventory, event programs inventory and the pad that have defined broadcast program inventory.
Referring to Fig. 5, it is the flow chart according to the overall broadcast program of the embodiment of the invention.
Step 501 is obtained program to be broadcast, described program to be broadcast is added wait to broadcast the program formation.
Particularly, program to be broadcast can obtain from the fixed program inventory, also can obtain from the pairing event programs inventory of response events.Can only there be one of them in this dual mode, also can exist simultaneously, in no particular order in proper order, promptly both can obtain from the fixed program inventory earlier when existing simultaneously, also can obtain from the pairing event programs inventory of response events earlier.
Step 502 waits to broadcast the program formation when empty when described, broadcasts from pad and selects program to join the program inventory describedly to wait to broadcast in the program formation.
Particularly, can choose the described program of waiting to broadcast in the program formation successively according to sequencing; Perhaps, according to the priority of program customizing and the priority of programme content, from described wait to broadcast choose the highest program of priority level the program formation and play.
The priority of described program customizing can be set to from high to low: the priority that incident customization requires〉time intercuts the priority that customization requires〉priority that requires of period circulation customization〉pad broadcasts the priority that customization requires.
The priority of described programme content can set gradually from high to low and to be the priority of emergence message〉priority of advertisement〉priority of operation information〉precedence information of other incidents〉precedence information of general programs.
Step 505 is interrupted current in progress program, from described wait to broadcast choose program to be broadcast the program formation and play; Repeated execution of steps 504 afterwards.
Step 506 continues to play current in progress program;
Referring to Fig. 6, it is the flow chart of the broadcast program of one specific embodiment according to the present invention.
Step 601～606 empty and wait to broadcast the program formation, obtain program to be broadcast from programme.
The step of obtaining program to be broadcast from programme can comprise: at set intervals, such as 1 second, scan the local directory of depositing programme on the media controller, search the programme file that meets current system data, meeting in the current system data programme the up-to-date programme file of version, to be set to current playing program single.
Single according to current system time and current playing program, judge whether remain to be broadcast program in the described current playing program list in the fixed program inventory,, then take out the current program that should play, add and wait to broadcast the program formation if having.
Step 607～609 obtain program to be broadcast from the pairing event programs inventory of response events.
Particularly, can comprise: at set intervals,, scan the local directory of depositing event queue on the media controller, the current incident that has expired and should respond in the searched events formation such as 1 second.
Event programs inventory according in described current incident that should respond that finds and the aforementioned current playing program list takes out the current program that should play, adds and waits to broadcast the program formation.
Step 610～612, according to the priority of aforementioned program customizing and the priority of programme content, treating the program of broadcasting in the program formation sorts, get the highest program of priority level as program to be broadcast, if wait to broadcast the program formation for empty, then the pad from aforementioned current playing program is single is broadcast order or program of picked at random in the program inventory, as program to be broadcast.
Step 613～615 will wait to broadcast program and just make comparisons in the programme content priority of broadcast program, priority orders according to programme content, whether decision ends current in progress program, if, interrupt currently broadcasting program, play program to be broadcast immediately, otherwise restart circular test next time.
Play content of each broadcast all can compare template and whether the template configuration file changes, and will switch template simultaneously if change.
Step 616 whenever plays a play content, all will generate one and play record, and write in the appointment journal file.
The embodiment of the invention also provides a kind of media player, referring to Fig. 7, comprising:
Obtain subelement 701, be used to obtain program to be broadcast, described program to be broadcast is added wait to broadcast the program formation;
Above-mentioned media player can also comprise: programme content judgment sub-unit 704, be used for play described when waiting to broadcast the programme content of program formation, judge and currently just wait to broadcast when waiting in the program formation to broadcast the programme content priority of program less than described that notice is interrupted sub-gravity treatment unit 705 in the content priority of broadcast program; Interrupt gravity treatment subelement 705, be used to interrupt current in progress program, from described wait to broadcast choose program to be broadcast the program formation, notice is play subelement 702 and is play the current program of reselecting; Notify programme content judgment sub-unit 704 executable operations once more afterwards.
Above-mentioned media player can also comprise: record subelement 706, be used for whenever finishing a program after, generates one and plays record, write in the appointment journal file.
Use the embodiment of the invention, make system under centralized control, realize the automatic broadcast of program, when common video program and advertising message are provided, can also issue real-time operation information and information on services to the passenger, and under the state of emergency, can guide passenger's rapid evacuation.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the said method execution mode is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (9)
1. the method for a broadcast program is characterized in that, is used for passenger information system PIS, and described method comprises:
Obtain program to be broadcast, described program to be broadcast is added wait to broadcast the program formation; Wherein, described program to be broadcast obtains from the fixed program inventory, and/or, from the pairing event programs inventory of response events, obtain;
Choose and play the described programme content of waiting to broadcast in the program formation;
If describedly wait to broadcast the program formation, then broadcast and select program to join the program inventory describedly to wait to broadcast in the program formation from pad for empty.
2. method according to claim 1 is characterized in that, the described step of obtaining program to be broadcast from the fixed program inventory comprises:
A, the record of timing scan local program monocular are judged the programme that whether has latest edition in the described programme catalogue, if then the programme of described latest edition is set to current programme, then execution in step B;
B, judge in the fixed program inventory of described current programme whether program to be broadcast is arranged, if then described program to be broadcast is joined the described program formation of waiting to broadcast.
3. method according to claim 1 is characterized in that, the described step of obtaining program to be broadcast from the pairing event programs inventory of response events comprises:
Scanning of home event queue catalogue has judged whether overdue incident, if having, then the pairing event programs inventory of inquiry response incident will respond the required broadcast program of the described incident that expires and join the described program formation of waiting to broadcast.
4. method according to claim 1 is characterized in that, the step that described broadcast is described waits to broadcast the programme content of program formation comprises:
The described program of waiting to broadcast in the program formation of played in order; Perhaps,
According to the priority of program customizing and the priority of programme content, from described wait to broadcast choose the highest program of priority level the program formation and play.
5. method according to claim 1 is characterized in that, is playing describedly when waiting to broadcast the programme content of program formation, further comprises:
A, judge and currently just whether wait to broadcast the programme content priority of waiting to broadcast program in the program formation less than described in the programme content priority of broadcast program, if, execution in step b then, otherwise continue to play current in progress program;
B, interrupt current in progress program, from described wait to broadcast choose program described to be broadcast the program formation and play; Repeated execution of steps a afterwards.
6. method according to claim 1 is characterized in that, further comprises: after whenever finishing a program, generate one and play record, write and specify in the journal file.
7. a media player is characterized in that, is used for passenger information system PIS, and described media player comprises:
Obtain subelement, be used to obtain program to be broadcast, described program to be broadcast is added wait to broadcast the program formation; Wherein, described program to be broadcast obtains from the fixed program inventory, and/or, from the pairing event programs inventory of response events, obtain;
Play subelement, be used for choosing and playing the described programme content of waiting to broadcast the program formation;
Insert subelement, be used for waiting to broadcast the program formation when empty, broadcast from pad and select program to join the program inventory describedly to wait to broadcast in the program formation described.
8. media player according to claim 7 is characterized in that, described media player also comprises:
The programme content judgment sub-unit, be used for play described when waiting to broadcast the programme content of program formation, judge and currently just wait to broadcast when waiting in the program formation to broadcast the programme content priority of program less than described that notice is interrupted the gravity treatment subelement in the programme content priority of broadcast program;
Interrupt the gravity treatment subelement, be used to interrupt current in progress program, from described wait to broadcast choose program to be broadcast the program formation, notice is play subelement and is play the current program of reselecting; Notify programme content judgment sub-unit executable operations once more afterwards.
9. according to claim 7 or 8 described media players, it is characterized in that described media player also comprises:
The record subelement, be used for whenever finishing a program after, generates one and plays record, write in the appointment journal file.
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| CN2008102225555A CN101568022B (en) | 2008-09-19 | 2008-09-19 | Program-playing method and media player |
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| CN2008102225555A CN101568022B (en) | 2008-09-19 | 2008-09-19 | Program-playing method and media player |
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| CN101568022A CN101568022A (en) | 2009-10-28 |
| CN101568022B true CN101568022B (en) | 2011-02-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106788829B (en) * | 2016-12-30 | 2019-07-05 | 北京数码视讯科技股份有限公司 | The broadcasting method and device of emergency event |
| CN107645674B (en) * | 2017-09-15 | 2020-05-22 | 成都视达科信息技术有限公司 | Video playing method and system |
| CN115103203B (en) * | 2022-05-06 | 2023-08-04 | 广东有线广播电视网络有限公司 | Control method for realizing self-adaptive live program playing |
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| CN1780213A (en) * | 2004-11-26 | 2006-05-31 | 腾讯科技（深圳）有限公司 | Realizing method system for inter-cut speech document of network transceiver |
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