CN107124598A - A kind of transport information control method for playing back and playing controller - Google Patents
A kind of transport information control method for playing back and playing controller Download PDFInfo
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- CN107124598A CN107124598A CN201710266964.4A CN201710266964A CN107124598A CN 107124598 A CN107124598 A CN 107124598A CN 201710266964 A CN201710266964 A CN 201710266964A CN 107124598 A CN107124598 A CN 107124598A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4425—Monitoring of client processing errors or hardware failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
Abstract
The embodiment of the present invention provides a kind of transport information control method for playing back and playing controller, playing controller obtains program data from the server of station, playing controller is when it is determined that the running status of itself is normal, program data is parsed and the corresponding audio-video signal of program data is determined, then audio-video signal corresponding with program data is converted into optical signal, and sent by optical port to display terminal, display terminal converts optical signals to audio-video signal and shown on a display screen after receiving after light letter.In the embodiment of the present invention, by the way that conversion distributing equipment is integrated in playing controller, receiver is integrated in display terminal, therefore directly pass through optical fiber transmission signal between playing controller and display terminal, eliminate traditional link by adding conversion distributing equipment and receiver transmission audio-video signal, so as to reduce trouble point, the stability of system and the efficiency of investigation trouble point are improved.
Description
Technical field
Played the present embodiments relate to track traffic Customer information distribution technology field, more particularly to a kind of transport information
Control method and playing controller.
Background technology
Passenger information system (Passenger Information System, abbreviation PIS), is to rely on multi-media network skill
Art, using computer system as core, the system that information service is provided as medium to passenger using station and vehicle-mounted display terminal.
The stability and security of passenger information system operation directly influence trip experience and the trip quality of passenger,
It is the main cause for causing passenger to appeal of service.The broadcast control system of the track traffic passenger information system of current main flow AT STATION
The method that audio-video signal is transmitted using optical fiber, this is accomplished by introducing in transmitting terminal switchs to turning for optical signal by audio-video signal
Discharge device is changed, while configuring the receiver for converting optical signals to audio-video signal in receiving terminal.Because signal is from transmitting terminal
Transmitting to receiving terminal needs respectively to change distributing equipment and receiver all by each change in distributing equipment and receiver, transmitting procedure
Trouble point is likely to be, once breaking down, influence signal is transmitted, it is many additionally, due to the trouble point for being likely to occur failure, therefore
It is difficult to timely fault point when carrying out trouble point investigation.
The content of the invention
The embodiment of the present invention provides a kind of transport information control method for playing back and playing controller, for solving existing broadcasting
The problem of stability of a system difference and trouble point investigate difficult caused by trouble point is more in control system.
The embodiments of the invention provide a kind of transport information control method for playing back, including：
Playing controller obtains program data from the server of station；
The playing controller is parsed and determined to the program data when it is determined that the running status of itself is normal
The corresponding audio-video signal of the program data；
Audio-video signal corresponding with the program data is converted to optical signal by the playing controller, and passes through optical port
Send to display terminal, shown on a display screen after audio-video signal so that the display terminal is converted to the optical signal.
Alternatively, the playing controller determine itself running status it is normal when, the program data is parsed
And before determining the corresponding audio-video signal of the program data, in addition to：
The playing controller obtains redundancy heartbeat data, the redundancy beats by network interface from the station server
According to being by detecting that itself connection status with the station server device is determined；
The playing controller determines whether the running status of itself is normal according to the redundancy heartbeat data；
Alternatively, the playing controller includes switch control unit, signal conversion allocation unit, the main list of audio-video signal
Member；
Methods described also includes：
The playing controller is when it is determined that the running status of itself is abnormal, and the switch control unit receives the station
The switching command that server is sent, the switching command is generated after the station server is handled the abnormal information
's；
The switch control unit cuts the primary input signal that the signal changes allocation unit according to the switching command
It is changed to ring and enters signal, the primary input signal of the signal conversion allocation unit is the sound inputted from the audio-video signal master unit
Vision signal, it is the audio-video signal inputted from backup playing controller that the ring, which enters signal,.
Alternatively, the playing controller includes playing logic unit, audio-video signal master unit, signal conversion distribution list
Member；
The playing controller is parsed to the program data and determines the corresponding audio frequency and video letter of the program data
Number, including：
The broadcasting logic unit is parsed to the program data of acquisition and is sent the program data after parsing to institute
State audio-video signal master unit；
The audio-video signal master unit is handled the program data after the parsing and determines the program data
Corresponding audio-video signal；
The corresponding audio-video signal of the program data is sent to the signal and changed by the audio-video signal master unit
Allocation unit.
Alternatively, the playing controller includes condition monitoring logic unit and signal conversion allocation unit；
The corresponding audio-video signal of the program data is being converted to optical signal and by optical port by the playing controller
Send to display terminal, in addition to：
The condition monitoring logic unit sends display screen status inquiry instruction to signal conversion allocation unit；
The signal conversion allocation unit is converted to the display screen status inquiry instruction after optical signal by the light
Mouth is sent to the display terminal；
The condition monitoring logic unit receives the status information of display terminal feedback and by the status information of the feedback
Send to system administration workstation, the system administration workstation includes centring system management work station and Station System management work
Stand；
The condition monitoring logic unit receives the state control instruction that the system administration workstation is sent, the state
Control instruction is that the system administration workstation is determined according to the status information of the feedback；
The condition monitoring logic unit by the state control instruction by the signal change allocation unit send to
The display terminal.
Correspondingly, the embodiment of the present invention additionally provides a kind of playing controller, including：
Acquisition module, for obtaining program data from the server of station；
Processing module, when the running status for determining itself is normal, is parsed to the program data and determines institute
State the corresponding audio-video signal of program data；The corresponding audio-video signal of the program data is converted into optical signal and by light
Mouth is sent to display terminal, is shown on a display screen after audio-video signal so that the display terminal is converted to the optical signal
Show.
Alternatively, the processing module is additionally operable to：
When determining that the running status of itself is normal, the program data is parsed and the program data correspondence is determined
Audio-video signal before, redundancy heartbeat data is obtained from the station server by network interface, the redundancy heartbeat data is
Determined by detecting the connection status of itself and the station server device；
Determine whether the running status of itself is normal according to the redundancy heartbeat data.
Alternatively, the processing module includes switch control unit, signal conversion allocation unit, the main list of audio-video signal
Member；
The processing module is additionally operable to：
When determining that the running status of itself is abnormal, receive what the station server was sent by the switch control unit
Switching command, the switching command is determined after the station server is handled the abnormal information；
The primary input that the signal changes allocation unit is believed according to the switching command by the switch control unit
Ring number is switched to enter signal, the primary input signal of the signal conversion allocation unit is from audio-video signal master unit input
Audio-video signal, it is the audio-video signal that is inputted from backup playing controller that the ring, which enters signal,.
Alternatively, the processing module includes playing logic unit, audio-video signal master unit, signal conversion distribution list
Member；
The processing module specifically for：
The program data of acquisition is parsed by the broadcasting logic unit, passes through the audio-video signal master unit
Program data after the parsing is handled and the corresponding audio-video signal of the program data is determined；And by described
The corresponding audio-video signal of the program data is sent to the signal and changes allocation unit by audio-video signal master unit.
Alternatively, the processing module includes condition monitoring logic unit and signal conversion allocation unit；
The processing module is additionally operable to：
The corresponding audio-video signal of the program data is being converted into optical signal and sent by optical port to display terminal
Afterwards, the condition monitoring logic unit sends display screen status inquiry instruction to signal conversion allocation unit；
Allocation unit is changed by the signal to be converted to the display screen status inquiry instruction after optical signal by institute
Optical port is stated to send to the display terminal；
Status information that display terminal feeds back is received and by the state of the feedback by the condition monitoring logic unit
Information is sent to system administration workstation, and the system administration workstation includes centring system management work station and Station System pipe
Manage work station；
The state control instruction that the system administration workstation is sent is received by the condition monitoring logic unit, it is described
State control instruction is that the system administration workstation is determined according to the status information of the feedback；And control the state
Instruction is changed allocation unit by the signal and sent to the display terminal.
The embodiment of the present invention shows that playing controller obtains program data from the server of station.Playing controller is true
When the running status of itself is normal calmly, the program data is parsed and the corresponding audio frequency and video letter of the program data is determined
Number, audio-video signal corresponding with the program data is then converted into optical signal, and sent by optical port to display terminal,
Display terminal converts optical signals to audio-video signal and shown on a display screen after receiving after light letter.It is of the invention real
Apply in example, by the way that conversion distributing equipment is integrated in playing controller, receiver is integrated in display terminal, therefore play control
Audio-video signal corresponding with the program data can be converted directly into optical signal by device processed, and be sent by optical port to display eventually
End, and optical signal is changed to audio-video signal and shown after can also receiving optical signal by optical port by display terminal, plays control
Directly by optical fiber transmission signal between device and display terminal processed, eliminate traditional by adding conversion distributing equipment and reception
Device transmits the link of audio-video signal, so as to reduce trouble point, improves the stability of broadcast control system and investigates trouble point
Efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is a kind of configuration diagram of track traffic passenger information system provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of transport information control method for playing back provided in an embodiment of the present invention；
Fig. 3 is a kind of Organization Chart of transport information control method for playing back provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet of Broadcast Control redundancy control method provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic flow sheet of the method for monitoring state of display screen provided in an embodiment of the present invention；
Fig. 6 is a kind of broadcast control system Organization Chart provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of playing controller provided in an embodiment of the present invention.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this hair
It is bright, it is not intended to limit the present invention.
Broadcast control system of the technical scheme of the embodiment of the present invention suitable for track traffic passenger information system, Fig. 1 examples
Property show the configuration diagram of the applicable track traffic passenger information system of the embodiment of the present invention a kind of, as shown in figure 1, track
The framework of traffic passenger information system includes passenger information system 101 centered on two-stage, the first order, and the second level is believed for station passenger
Breath system 102.Wherein, center passenger information system 101 includes centring system management work station 1011, the work of center release management
Stand 1012, central server 1013 and center switch 1014.Station passenger information system 102 include station interchanger 1021,
Station System management work station 1022, station server 1023 and broadcast control system 1024, wherein broadcast control system, which include playing, to be controlled
Device and display terminal.The function of each equipment of track traffic passenger information system is described in detail below, as shown in table 1：
Table 1
Based on above description, Fig. 2 illustrates a kind of transport information provided in an embodiment of the present invention and plays controlling party
The flow of method, as shown in Fig. 2 the specific steps of the flow include：
Step S201, station server sends program data to playing controller.
Step S202, playing controller to program data parse and true when it is determined that the running status of itself is normal
Determine the corresponding audio-video signal of program data.
Audio-video signal corresponding with program data is converted to optical signal by step S203, playing controller.
Step S204, playing controller sends optical signals to display terminal by optical port.
Step S205, display terminal converts optical signals to show on a display screen after audio-video signal.
In specific implementation, playing controller obtains redundancy heartbeat data by network interface from station server, then according to superfluous
Remaining heartbeat data determines whether the running status of itself is normal, and redundancy heartbeat data is by detecting itself and station server device
Connection status determine.In the embodiment of the present invention, by the way that conversion distributing equipment is integrated in playing controller, by receiver
It is integrated in display terminal, therefore audio-video signal corresponding with the program data can be converted directly into light letter by playing controller
Number, and sent by optical port to display terminal, and display terminal changes optical signal after can also receiving optical signal by optical port
To audio-video signal and show, directly by optical fiber transmission signal between playing controller and display terminal, eliminate traditional
The link of audio-video signal is transmitted by adding conversion distributing equipment and receiver, so as to reduce trouble point, Broadcast Control is improved
The stability of system and the efficiency of investigation trouble point.
Fig. 3 is the Organization Chart of transport information control method for playing back in the embodiment of the present invention, with reference to Fig. 3 in Fig. 2
Step is specifically described.
In the embodiment of the present invention, as shown in figure 3, playing controller includes signal control module and plays main control module, its
Middle signal control module includes signal and changes allocation unit and optical port, and playing main control module includes playing logic unit, audio frequency and video
Signal master unit.In step s 201, playing controller receives the number of programs that station server is sent by playing logic unit
According to.In step S202 into S204, playing controller is parsed and incited somebody to action to the program data of reception by playing logic unit
Program data after parsing is sent to audio-video signal master unit, and then audio-video signal master unit is to the program data after parsing
Handled and determine the corresponding audio-video signal of program data, last audio-video signal master unit is by the corresponding sound of program data
Vision signal sends to signal and changes allocation unit, and change allocation unit by signal is converted to optical signal by audio-video signal, and
Optical signal is sent to display terminal by optical port.In step S205, display terminal receives optical signal by optical port, passes through letter
Number conversion allocation unit convert optical signals to audio-video signal and show on a display screen.It is integrated due to distributing equipment will be changed
Allocation unit is changed for the signal in playing controller, receiver is integrated to the signal conversion unit in display terminal, so that
On the one hand trouble point is reduced, improves the stability of system, on the other hand avoided other non-from conversion distributing equipment access
Method plays voltage input.
In the embodiment of the present invention, in order to improve the reliability of broadcast control system, playing controller is it is determined that the operation shape of itself
When state is abnormal, start Broadcast Control redundancy control capability, especially by the broadcasting logic unit in playing controller, playing controller
Switch control unit and station server coordinate implement, comprise the following steps, as shown in Figure 4：
Step S401, plays logic unit and monitors itself heartbeat data between the server of station by network interface.
Step S402, when broadcasting logic unit monitors that heartbeat data is abnormal, the abnormal abnormal information of running status is sent out
Deliver to station server.
Step S403, station server carries out processing to abnormal information and determines switching command.
Step S404, station server sends switching command to switch control unit.
Step S405, switch control unit switches to the primary input signal that signal changes allocation unit according to switching command
Ring enters signal.
In above-described embodiment, playing the monitoring of logic unit abnormality also includes another situation, is playing logic unit
When losing heartbeat with station server, such as program halt or system in case of system halt, playing controller can not receive heartbeat data,
Now directly determine to play logic unit running status exception by station server and send switching command to switch control unit.
In specific implementation, the primary input signal of signal conversion allocation unit is the audio-video signal inputted from audio-video signal master unit,
It is the audio-video signal inputted from backup playing controller that ring, which enters signal,.Backup playing controller can pass through ring incoming interface and ring
Outgoing interface is connected with playing controller, and ring incoming interface and ring outgoing interface can be used for inputting and exporting audio-video signal, the sound of support
The physical form of vision signal includes HDMI (High Definition Multimedia
Interface, abbreviation HDMI), Video Graphics Array (Video Graphics Array, abbreviation VGA), digital visual interface
(Digital Visual Interface, abbreviation DVI).The embodiment of the present invention enters ring outgoing interface by ring and realizes Broadcast Control redundancy control
Function processed, without introducing matrix control signal switching, improves the reliability of system.
In the embodiment of the present invention, the corresponding audio-video signal of program data is being converted to optical signal and led to by playing controller
Cross optical port to send to display terminal, the state of display screen need to be monitored, especially by the state in playing controller
Monitoring logic unit, system administration workstation and display terminal, which coordinate, to be implemented, and is comprised the following steps, as shown in Figure 5：
Step S501, condition monitoring logic unit is converted to display screen status inquiry instruction through signal conversion allocation unit
Sent after optical signal by optical port to display terminal；
Step S502, display terminal is according to query statement query display screen state.
Step S503, display terminal is to condition monitoring logic unit feedback status information.
Step S54, condition monitoring logic unit sends the status information of feedback to system administration workstation.
Step S505, system administration workstation determines state control instruction according to the status information of feedback.
Step S506, system administration workstation sends state control instruction to condition monitoring logic unit.
State control instruction is changed allocation unit by signal and sent to display by step S507, condition monitoring logic unit
Terminal.
Step S508, display terminal adjusts display screen state according to state control instruction.
In specific implementation, system administration workstation includes centring system management work station and Station System management work station.
When the state to display screen is monitored, display screen status inquiry instruction can believe audio frequency and video in signal conversion allocation unit
Number be converted to send to display terminal together with audio-video signal after optical signal and carry out display screen condition monitoring, can also be every setting
Display screen query statement is sent to display terminal and carries out display screen condition monitoring by fixed cycle, and the present invention is not specifically limited.It is aobvious
Display screen status inquiry instruction and state control instruction are transmitted after can be exchanged into optical signal by optical fiber, can be with transmission audio frequency and video
Signal is transmitted using same optical fiber, therefore simplifies construction wiring, reduces engineering cost.
In order to preferably explain the embodiment of the present invention, describe the embodiment of the present invention below by specific implement scene and provide
A kind of transport information control method for playing back, set station broadcast control system as shown in fig. 6, the broadcasting control system at station includes
Playing controller, backup playing controller, station server, system administration workstation and display terminal, wherein playing controller
Including network interface, signal control module, main control module is played, further, signal control module includes switch control unit, signal
Allocation unit, ring incoming interface and optical port are changed, playing main control module includes playing logic unit, audio-video signal master unit, shape
State monitoring logic unit.Display terminal includes optical port, signal conversion unit and display screen.In specific implementation, in playing controller
Broadcasting logic unit by network interface with from the redundancy switching control service routine on the server of station set up heartbeat and exception shape
State is monitored, and determines whether the running status for playing logic unit is normal by monitoring heartbeat data in real time.
Specifically, when the running status for playing logic unit is normal, playing logic unit and being serviced by network interface from station
Device obtains program data, and then the program data of reception is parsed and sends the program data after parsing to audio frequency and video and is believed
Number master unit.Audio-video signal master unit is handled the program data after parsing and determines the corresponding audio frequency and video of program data
Signal, then the corresponding audio-video signal of program data is sent to signal and changes allocation unit, allocation unit is changed by signal
Audio-video signal is converted into optical signal, and optical signal is sent to display terminal by optical port.Display terminal is connect by optical port
Receive optical signal and convert optical signals to show on a display screen after audio-video signal by signal conversion unit.
When the running status for playing logic unit is abnormal, station server carries out processing to abnormal information and determines that switching refers to
Make and send switching command to switch control unit.Signal is changed allocation unit by switch control unit according to switching command
Primary input signal switches to ring to enter signal, and the primary input signal of signal conversion allocation unit is from the input of audio-video signal master unit
Audio-video signal, it is the audio-video signal that is inputted by ring incoming interface of backup playing controller that ring, which enters signal,.Signal conversion point
Ring is entered into signal with unit and is converted to optical signal, and optical signal is sent to display terminal by optical port.Display terminal passes through light
Mouth receives optical signal and converts optical signals to the display on display terminal after audio-video signal by signal conversion unit.
Play system to program data when being parsed and being shown, the condition monitoring logic unit in playing controller is determined
When to signal conversion allocation unit send display screen status inquiry instruction.Signal conversion allocation unit refers to display screen status inquiry
Order is converted to after optical signal and sent by optical port to display terminal.Display terminal according to query statement query display screen state, and
By optical port to condition monitoring logic unit feedback status information.Condition monitoring logic unit by the status information of feedback send to
System administration workstation.System administration workstation determines state control instruction according to the status information of feedback and refers to state control
Order is sent to condition monitoring logic unit.Condition monitoring logic unit by state control instruction by signal change allocation unit and
Optical port is sent to display terminal.Display terminal adjusts display screen state according to state control instruction.
The embodiment of the present invention shows that playing controller obtains program data from the server of station.Playing controller is true
When the running status of itself is normal calmly, the program data is parsed and the corresponding audio frequency and video letter of the program data is determined
Number, audio-video signal corresponding with the program data is then converted into optical signal, and sent by optical port to display terminal,
Display terminal converts optical signals to audio-video signal and shown on a display screen after receiving after light letter.It is of the invention real
Apply in example, by the way that conversion distributing equipment is integrated in playing controller, receiver is integrated in display terminal, therefore play control
Audio-video signal corresponding with the program data can be converted directly into optical signal by device processed, and be sent by optical port to display eventually
End, and optical signal is changed to audio-video signal and shown after can also receiving optical signal by optical port by display terminal, plays control
Directly by optical fiber transmission signal between device and display terminal processed, eliminate traditional by adding conversion distributing equipment and reception
Device transmits the link of audio-video signal, so as to reduce trouble point, improves the stability of broadcast control system and investigates trouble point
Efficiency.
Based on identical technical concept, Fig. 7 it is exemplary show a kind of playing controller provided in an embodiment of the present invention
Structure, the device can perform the flow of transport information control method for playing back.
As shown in fig. 7, the playing controller includes：
Acquisition module 701, for obtaining program data from the server of station；
Processing module 702, when the running status for determining itself is normal, is parsed and is determined to the program data
The corresponding audio-video signal of the program data；The corresponding audio-video signal of the program data is converted into optical signal and passed through
Optical port is sent to display terminal, is shown on a display screen after audio-video signal so that the display terminal is converted to the optical signal
Show.
Alternatively, the processing module 702 is additionally operable to：
When determining that the running status of itself is normal, the program data is parsed and the program data correspondence is determined
Audio-video signal before, redundancy heartbeat data is obtained from the station server by network interface, the redundancy heartbeat data is
Determined by detecting the connection status of itself and the station server device；
Determine whether the running status of itself is normal according to the redundancy heartbeat data.
Alternatively, the processing module 702 is regarded including switch control unit 7021, signal conversion allocation unit 7022, sound
Frequency signal master unit 7023；
The processing module 702 is additionally operable to：
When determining that the running status of itself is abnormal, the station server is received by the switch control unit 7021 and sent out
The switching command sent, the switching command is determined after the station server is handled the abnormal information；
The signal is changed by allocation unit 7022 according to the switching command by the switch control unit 7021
Primary input signal switches to ring to enter signal, and the primary input signal of the signal conversion allocation unit 7022 is from audio frequency and video letter
The audio-video signal that number master unit 7023 is inputted, it is that the audio frequency and video inputted from backup playing controller are believed that the ring, which enters signal,
Number.
Alternatively, the processing module 702 includes playing logic unit 7024, audio-video signal master unit 7023, signal
Change allocation unit 7022；
The processing module 702 specifically for：
Parsed by the program data of 7024 pairs of acquisitions of the broadcasting logic unit, pass through the audio-video signal master
Program data after 7023 pairs of parsings of unit is handled and determines the corresponding audio-video signal of the program data；And
The corresponding audio-video signal of the program data is sent to the signal by the audio-video signal master unit 7023 and changed
Allocation unit 7022.
Alternatively, the processing module 702 includes condition monitoring logic unit 7025 and signal conversion allocation unit 7022；
The processing module 702 is additionally operable to：
The corresponding audio-video signal of the program data is being converted into optical signal and sent by optical port to display terminal
Afterwards, the condition monitoring logic unit 7025 sends display screen status inquiry to signal conversion allocation unit 7022 and referred to
Order；
Change allocation unit 7022 by the signal and be converted to the display screen status inquiry instruction and lead to after optical signal
The optical port is crossed to send to the display terminal；
Status information that display terminal feeds back is received and by the feedback by the condition monitoring logic unit 7025
Status information is sent to system administration workstation, and the system administration workstation includes centring system management work station and station system
Unite management work station；
The state control instruction that the system administration workstation is sent is received by the condition monitoring logic unit 7025,
The state control instruction is that the system administration workstation is determined according to the status information of the feedback；And by the state
Control instruction is changed allocation unit 7022 by the signal and sent to the display terminal.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method or computer program product.
Therefore, the present invention can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Form.Deposited moreover, the present invention can use to can use in one or more computers for wherein including computer usable program code
The shape for the computer program product that storage media is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of transport information control method for playing back, it is characterised in that including：
Playing controller obtains program data from the server of station；
The playing controller is parsed to the program data and determined described when it is determined that the running status of itself is normal
The corresponding audio-video signal of program data；
Audio-video signal corresponding with the program data is converted to optical signal by the playing controller, and is sent by optical port
To display terminal, shown on a display screen after audio-video signal so that the display terminal is converted to the optical signal.
2. the method as described in claim 1, it is characterised in that the playing controller determines that the running status of itself is normal
When, before being parsed to the program data and determining the corresponding audio-video signal of the program data, in addition to：
The playing controller obtains redundancy heartbeat data by network interface from the station server, and the redundancy heartbeat data is
Determined by detecting the connection status of itself and the station server device；
The playing controller determines whether the running status of itself is normal according to the redundancy heartbeat data.
3. method as claimed in claim 1 or 2, it is characterised in that the playing controller includes switch control unit, signal
Change allocation unit, audio-video signal master unit；
Methods described also includes：
The playing controller is when it is determined that the running status of itself is abnormal, and the switch control unit receives the station service
The switching command that device is sent, the switching command is generated after the station server is handled the abnormal information；
The switch control unit switches to the primary input signal that the signal changes allocation unit according to the switching command
Ring enters signal, and the primary input signal of the signal conversion allocation unit is the audio frequency and video inputted from the audio-video signal master unit
Signal, it is the audio-video signal inputted from backup playing controller that the ring, which enters signal,.
4. the method as described in claim 1, it is characterised in that the playing controller includes playing logic unit, audio frequency and video
Signal master unit, signal conversion allocation unit；
The playing controller is parsed to the program data and determines the corresponding audio-video signal of the program data, bag
Include：
The broadcasting logic unit is parsed to the program data of acquisition and is sent the program data after parsing to the sound
Vision signal master unit；
The audio-video signal master unit is handled the program data after the parsing and determines the program data correspondence
Audio-video signal；
The corresponding audio-video signal of the program data is sent to the signal to change and distributed by the audio-video signal master unit
Unit.
5. the method as described in claim 1, it is characterised in that the playing controller includes condition monitoring logic unit and letter
Number conversion allocation unit；
The corresponding audio-video signal of the program data is being converted to optical signal and sent by optical port by the playing controller
To display terminal, in addition to：
The condition monitoring logic unit sends display screen status inquiry instruction to signal conversion allocation unit；
The display screen status inquiry instruction is converted to after optical signal and sent out by the optical port by signal conversion allocation unit
Deliver to the display terminal；
The condition monitoring logic unit receives the status information of display terminal feedback and sends the status information of the feedback
To system administration workstation, the system administration workstation includes centring system management work station and Station System management work
Stand；
The condition monitoring logic unit receives the state control instruction that the system administration workstation is sent, the state control
Instruction is that the system administration workstation is determined according to the status information of the feedback；
The state control instruction is changed allocation unit by the signal and sent to described by the condition monitoring logic unit
Display terminal.
6. a kind of playing controller, it is characterised in that including：
Acquisition module, for obtaining program data from the server of station；
Processing module, when the running status for determining itself is normal, is parsed to the program data and determines the section
Mesh number is according to corresponding audio-video signal；The corresponding audio-video signal of the program data is converted into optical signal and sent out by optical port
Display terminal is delivered to, is shown on a display screen after audio-video signal so that the display terminal is converted to the optical signal.
7. playing controller as claimed in claim 6, it is characterised in that the processing module is additionally operable to：
When determining that the running status of itself is normal, the program data is parsed and the corresponding sound of the program data is determined
Before vision signal, redundancy heartbeat data is obtained from the station server by network interface, the redundancy heartbeat data is to pass through
Detect itself and the connection status determination of the station server device；
Determine whether the running status of itself is normal according to the redundancy heartbeat data.
8. playing controller as claimed in claims 6 or 7, it is characterised in that the processing module include switch control unit,
Signal conversion allocation unit, audio-video signal master unit；
The processing module is additionally operable to：
When determining that the running status of itself is abnormal, the switching that the station server is sent is received by the switch control unit
Instruction, the switching command is determined after the station server is handled the abnormal information；
The primary input signal that the signal changes allocation unit is cut according to the switching command by the switch control unit
It is changed to ring and enters signal, the primary input signal of the signal conversion allocation unit is the sound inputted from the audio-video signal master unit
Vision signal, it is the audio-video signal inputted from backup playing controller that the ring, which enters signal,.
9. playing controller as claimed in claim 6, it is characterised in that the processing module includes playing logic unit, sound
Vision signal master unit, signal conversion allocation unit；
The processing module specifically for：
The program data of acquisition is parsed by the broadcasting logic unit, by the audio-video signal master unit to institute
The program data after parsing is stated to be handled and determine the corresponding audio-video signal of the program data；And regarded by the sound
The corresponding audio-video signal of the program data is sent to the signal and changes allocation unit by frequency signal master unit.
10. playing controller as claimed in claim 6, it is characterised in that the processing module includes condition monitoring logic list
Member and signal change allocation unit；
The processing module is additionally operable to：
The corresponding audio-video signal of the program data is being converted into optical signal and sent by optical port to display terminal,
The condition monitoring logic unit sends display screen status inquiry instruction to signal conversion allocation unit；
Allocation unit is changed by the signal to be converted to the display screen status inquiry instruction after optical signal by the light
Mouth is sent to the display terminal；
Status information that display terminal feeds back is received and by the status information of the feedback by the condition monitoring logic unit
Send to system administration workstation, the system administration workstation includes centring system management work station and Station System management work
Stand；
The state control instruction that the system administration workstation is sent, the state are received by the condition monitoring logic unit
Control instruction is that the system administration workstation is determined according to the status information of the feedback；And by the state control instruction
Allocation unit is changed by the signal to send to the display terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266964.4A CN107124598B (en) | 2017-04-21 | 2017-04-21 | Traffic information playing control method and playing controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266964.4A CN107124598B (en) | 2017-04-21 | 2017-04-21 | Traffic information playing control method and playing controller |
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| CN107124598B CN107124598B (en) | 2019-12-06 |
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| CN201710266964.4A Active CN107124598B (en) | 2017-04-21 | 2017-04-21 | Traffic information playing control method and playing controller |
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| CN110769307A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Playing control method and device and playing controller |
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| CN112383806A (en) * | 2020-11-11 | 2021-02-19 | 青岛海信网络科技股份有限公司 | Public transport station information playing device, method, device and storage medium |
| CN113556592A (en) * | 2020-04-24 | 2021-10-26 | 深圳市中兴系统集成技术有限公司 | Method for realizing bidirectional control display terminal of play control system |
| CN114727148A (en) * | 2022-04-18 | 2022-07-08 | 中国第一汽车股份有限公司 | Audio and video interaction method, device and equipment applied to vehicle and storage medium |
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| CN107124598B (en) | 2019-12-06 |
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