CN104540121A - Multimedia on-board equipment content updating system and method - Google Patents
Multimedia on-board equipment content updating system and method Download PDFInfo
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- CN104540121A CN104540121A CN201410851139.7A CN201410851139A CN104540121A CN 104540121 A CN104540121 A CN 104540121A CN 201410851139 A CN201410851139 A CN 201410851139A CN 104540121 A CN104540121 A CN 104540121A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010295 mobile communication Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The invention relates to the field of animation and interactive media, and particularly provides a multimedia on-board equipment content updating system and method. A local area wireless network can be built between multimedia on-board equipment and other multimedia equipment adjacent to the multimedia on-board equipment by means of the Wi-Fi network, so that data interaction is carried out; a locally-arranged mobile communication network module is utilized for being connected with a remote server to obtain a media file list which does not exist locally, the Wi-Fi network is utilized for directly downloading the media file list to a local storage, then the multimedia on-board equipment is upgraded in time, data sharing can be achieved between the multimedia on-board equipment, then the flow quantity needed for downloading and upgrading files from the remote server is greatly saved, and the load of the remote server is reduced.
Description
Technical Field
The invention relates to the field of interactive media, in particular to a system and a method for updating content of multimedia vehicle-mounted equipment.
Background
With the development of society and the advancement of science and technology, people have faster and faster life rhythm, and the updating and the spreading of information are required to be rapid and timely, and particularly, in recent years, with the rapid development of communication technology, consumer electronic equipment is widely applied.
A taxi is an important transportation means in people's life, and when a passenger takes the taxi, the passenger needs to acquire surrounding information through a driver's mouth or taxi information transmission equipment, such as interactive display equipment and the like; however, at present, the content and system operation data played by the information dissemination device on the taxi are stored locally (i.e. the memory of the device is collected), and when the service center issues a new version of the played data and system program, the multimedia vehicle-mounted device can only be updated through the mobile communication network or by driving the taxi to the service center, that is, all the content is downloaded through the server, so that the load of the server is too high, and a great threat is brought to the stability of the system.
In addition, data played in multimedia vehicle-mounted equipment is generally updated by adopting wireless communication signals, but the updating is more frequent, and the taxi is in a motion state for a long time, so that the data downloading speed is slower, a larger flow is needed, the updating speed is slower, and the updating cost is higher.
Disclosure of Invention
The application describes a system for updating the content of multimedia vehicle-mounted equipment, comprising:
the system comprises at least two multimedia vehicle-mounted devices, wherein each multimedia vehicle-mounted device comprises a mobile communication module, a memory and a Wi-Fi module;
the remote server is prestored with a new version data packet of the multimedia vehicle-mounted equipment and is connected with the mobile communication module through a wireless mobile communication network so as to update the new version data packet to the memory;
the new version data packet stored in the memory of any one of the multimedia vehicle-mounted devices can be shared to the memory of another multimedia vehicle-mounted device through the Wi-Fi module.
As a preferred embodiment, in the system for updating the content of the multimedia vehicle-mounted device,:
the new version data packet comprises a media file list and a plurality of media files corresponding to the media file list, and each multimedia vehicle-mounted device acquires the media file list through a mobile communication module arranged locally.
As a preferred embodiment, in the system for updating the content of the multimedia vehicle-mounted device,:
each of the multimedia vehicle-mounted devices further includes:
the screening module is used for acquiring a media file list missing in a memory of the multimedia vehicle-mounted equipment according to the acquired media file list;
the multimedia vehicle-mounted equipment downloads the missing media files from the remote server or other nearby multimedia vehicle-mounted equipment according to the missing media file list;
when the multimedia vehicle-mounted equipment is in communication connection with the other multimedia vehicle-mounted equipment and the remote server at the same time, the multimedia vehicle-mounted equipment preferentially downloads the missing media files from the other multimedia vehicle-mounted equipment.
As a preferred embodiment, in the system for updating the content of the multimedia vehicle-mounted device,:
the Wi-Fi module comprises:
the Wi-Fi network connection management module is used for establishing or disconnecting Wi-Fi network connection between adjacent multimedia vehicle-mounted equipment;
the system comprises a network server and a downloading module;
and any multimedia vehicle-mounted equipment can download the missing media files from the network servers of other multimedia vehicle-mounted equipment in communication connection with the multimedia vehicle-mounted equipment through a locally arranged downloading module.
The application also provides a method for updating the content of the multimedia vehicle-mounted equipment, which is based on the system for updating the content of the multimedia vehicle-mounted equipment, and the method comprises the following steps:
the multimedia vehicle-mounted equipment downloads a media file list from a remote server through a mobile communication network;
acquiring a local missing media file list according to the downloaded media file list;
the multimedia vehicle-mounted equipment downloads the media files matched with the local missing media file list from other multimedia vehicle-mounted equipment through a Wi-Fi network according to the local missing media file list; or,
the multimedia vehicle-mounted equipment downloads a media file matched with the local missing media file list from the remote server through a wireless communication network according to the local missing media file list;
and the multimedia vehicle-mounted equipment calls all the media files which are stored locally and matched with the media file list according to the media file list so as to operate the new version of content.
As a preferred embodiment, the method for updating the content of the multimedia vehicle-mounted device further includes:
and when the multimedia vehicle-mounted equipment is in communication connection with the remote server and other multimedia vehicle-mounted equipment at the same time, downloading the media files matched with the local missing media file list from the other multimedia vehicle-mounted equipment preferentially according to the local missing media file list.
As a preferred embodiment, the method for updating the content of the multimedia vehicle-mounted device further includes:
the multimedia vehicle-mounted equipment acquires the version number of the data packet stored in the remote server from the remote server through the wireless communication network every other preset time period;
comparing the obtained version number with the version number of the locally stored data packet;
if the obtained version number is higher than the version number of the local data packet, the data packet stored in the remote server is a new version data packet, and the multimedia vehicle-mounted equipment downloads the media file list from the remote server;
the new version data packet comprises the media file list and a plurality of media files corresponding to the media file list.
As a preferred embodiment, the method for updating the content of the multimedia vehicle-mounted device further includes:
any multimedia vehicle-mounted device can establish Wi-Fi network connection with other nearby multimedia vehicle-mounted devices through the Wi-Fi module.
In summary, due to the adoption of the technical scheme, the invention provides a system and a method for updating the content of the multimedia vehicle-mounted equipment, which enable the multimedia vehicle-mounted equipment to establish a local wireless network with other nearby multimedia equipment by utilizing a Wi-Fi network so as to perform data interaction; when detecting that a new version data packet appears on the remote server, downloading a media file list in the new version data packet, comparing the media file list, and acquiring a local missing media file list by inquiring data stored in a local memory; if the multimedia vehicle-mounted equipment is connected with the remote server and other multimedia vehicle-mounted equipment at the same time, the multimedia vehicle-mounted equipment preferentially searches whether media files corresponding to the locally missing media file list are stored in other multimedia vehicle-mounted equipment, if so, the multimedia vehicle-mounted equipment is directly downloaded to a local memory through a Wi-Fi network, and if not, the multimedia vehicle-mounted equipment can download the media files corresponding to the locally missing media file list from the remote server through a mobile communication wireless network, so that the multimedia vehicle-mounted equipment is timely upgraded, data sharing can be realized among the multimedia vehicle-mounted equipment, further, the downloading and updating file flow from the remote server is greatly saved, and the load of the remote server is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a system for updating content of a multimedia vehicle-mounted device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a Wi-Fi module in an embodiment of the present application.
Detailed Description
The system and the method for updating the content of the multimedia vehicle-mounted device can be applied to the mobile terminal device of outdoor media advertisements, such as advertising multimedia devices in taxis, and can also be applied to outdoor fixed multimedia advertising boards or indoor multimedia advertising devices as long as the multimedia vehicle-mounted device and the adjacent multimedia advertisements can form a local wireless or wired network, so that the sharing of local storage resources can be realized.
For convenience of description, the following description will be given by taking a mobile multimedia advertisement device (i.e., a multimedia vehicle-mounted device) installed in a taxi as an example, and in this embodiment, only two multimedia vehicle-mounted devices (i.e., the first multimedia vehicle-mounted device 2 and the second multimedia vehicle-mounted device 3) are taken as an example, so that in practical applications, a plurality of multimedia vehicle-mounted devices can be connected to each other in various ways, such as one-to-one or many-to-one or one-to-many, according to specific requirements, as long as the storage resources can be shared.
The following further describes embodiments of the present invention with reference to the drawings:
FIG. 1 is a schematic structural diagram of a system for updating content of a multimedia vehicle-mounted device in an embodiment of the present application, and FIG. 2 is a schematic structural diagram of a Wi-Fi module in an embodiment of the present application; as shown in fig. 1-2, the system for updating the content of the multimedia in-vehicle device in the present embodiment includes:
the system comprises a remote server 1, a system administrator can store a data packet for running or playing of multimedia vehicle-mounted equipment in the remote server 1 so as to remotely carry out operations such as upgrading or maintenance on the multimedia vehicle-mounted equipment in communication connection with the remote server; for example, the remote server 1 may be connected to a plurality of multimedia vehicle-mounted devices (i.e. only the first multimedia vehicle-mounted device 2 and the second multimedia vehicle-mounted device 3 are taken as an example in this embodiment) through a current wireless communication network (e.g. a 2G/3G/4G communication network), so that the plurality of multimedia vehicle-mounted devices may download the data packets stored therein from the remote server 1 by using the wireless network to update their own system or playing data.
The first multimedia vehicle-mounted equipment 2 comprises a mobile communication module 21 connected with the remote server 1 through a wireless mobile communication network, a memory 22, a screening module 23, a Wi-Fi module 24 and the like; similarly, the second multimedia vehicle-mounted device 3 comprises a mobile communication module 31 connected with the remote server 1 through a wireless mobile communication network, a memory 32, a screening module 33, a Wi-Fi module 34 and the like.
When the system shown in FIG. 1 is adopted to update the content of the first multimedia vehicle-mounted device 2 and the second multimedia vehicle-mounted device 3:
first, the first multimedia vehicle-mounted device 2 and the second multimedia vehicle-mounted device 3 respectively request the remote server 1 to issue the version number of the stored data packet through the mobile communication modules 21 and 31 periodically through the wireless mobile communication network, so as to check whether the remote server 1 provides a new version of the data packet. For example, after receiving the version number of the data packet stored below the remote server 1, the first multimedia in-vehicle device 2 compares the version number with the version number of the corresponding data packet stored in the local memory 22, and if the version number is consistent (or the local version number is equal to or greater than the version number issued by the remote server 1), it may be determined that the first multimedia in-vehicle device 2 does not need to perform version update, and after a preset time period (which may be set according to specific requirements or network parameters), it may be checked again whether the remote server 1 provides a new version of the data packet.
Preferably, the first multimedia vehicle-mounted device 2 and the second multimedia vehicle-mounted device 3 utilize the Wi-Fi module to search for the multimedia vehicle-mounted device adjacent to the first multimedia vehicle-mounted device in real time, the Wi-Fi module 33 establishes a wireless local area network with the Wi-Fi module 34 when the first multimedia vehicle-mounted device 2 is close to the second multimedia vehicle-mounted device 3 (i.e., within the area covered by Wi-Fi), and the first multimedia vehicle-mounted device 2 and the second multimedia vehicle-mounted device 3 realize data interaction and sharing by using the wireless local area network.
Secondly, when the first multimedia vehicle-mounted device 2 detects that a new version of data package (including a media file list and a plurality of media files) is stored in the remote server 1, the media file list of the new version of data package is downloaded by using the mobile communication module 21 through the wireless mobile communication network and is stored in the memory 22; the filtering module 23 obtains a list of media files missing in the updated version in the memory 22 according to the data information already stored in the memory 22 and the above-mentioned list of media files, and stores the list of missing media files in the memory 22.
Then, when the first multimedia vehicle-mounted device 2 is in communication connection with the remote server 1 through the mobile communication module 21 and is connected with the second multimedia vehicle-mounted device 3 through the Wi-Fi module 24; the first multimedia vehicle-mounted device 2 preferentially downloads the media files stored in the memory 32 from the second multimedia vehicle-mounted device 3 randomly or according to a set sequence (such as a sequence of the sizes of the media files) according to the missing media file list; if the corresponding media file in the missing media file list is not stored in the memory 32, other multimedia vehicle-mounted devices connected with the first multimedia vehicle-mounted device 2 through Wi-Fi are correspondingly searched, until all the multimedia vehicle-mounted devices connected with the first multimedia vehicle-mounted device 2 through Wi-Fi do not have the corresponding media file in the missing media file list, the corresponding media file in the missing media file list is downloaded from the remote server 1 through the mobile communication module 21, and until the corresponding media file in the media file list is stored in the memory 22, the first multimedia vehicle-mounted device 2 does not perform version updating operation to play new content or run a new system, and the like; therefore, the probability of downloading data from the remote server 1 can be reduced to the maximum extent, the sharing of data resources among the multimedia vehicle-mounted devices is further realized, the flow of downloading the multimedia vehicle-mounted devices through a wireless communication network is effectively saved, and meanwhile, the multimedia vehicle-mounted devices are in a motion state for most of time, so that the upgrading efficiency of multimedia vehicle-mounted device groups can be greatly improved.
Preferably, when the data stored in the memory 22 changes every time, the filtering module 23 obtains a media file list used for updating the version missing in the memory 22 according to the data information already stored in the memory 22 and the media file list, updates the missing media file list to the memory 22, and then downloads the media file by using the updated missing media file list.
It should be noted that, in this embodiment, only the first multimedia in-vehicle device 2 is taken as an example for description, and other multimedia in-vehicle devices (such as the second multimedia in-vehicle device 3) connected to the first multimedia in-vehicle device 2 through the Wi-Fi network may also perform the content updating operation, such as the first multimedia in-vehicle device 2, so as to implement real-time sharing of the storage resource.
Further, as shown in fig. 2, the Wi-Fi module 24 further includes a Wi-Fi network connection management module 243, a network server module 242 and a download module 241, and the corresponding Wi-Fi module 34 further includes a Wi-Fi network connection management module 343, a network server module 341 and a download module 341; wherein each Wi-Fi module has a uniquely identified address ID.
Specifically, after the Wi-Fi function (for example, the Wi-Fi P2P function) of the multimedia vehicle-mounted device is started, the Wi-Fi module network connection management module 243, 343 may search for a nearby Wi-Fi device; after the Wi-Fi equipment is found, a Wi-Fi module network connection management module can initiate a connection request according to set rules (such as rules according to ID size sequence or odd-even sequence) so as to establish a Wi-Fi network. For example, the ID of the Wi-Fi module 243 is even, the ID of the Wi-Fi module 343 is odd, and the connection request is initiated by the Wi-Fi module 243 with even ID according to the odd-even order, and the request is accepted by the Wi-Fi module 343 with odd ID to establish the communication connection; after the communication connection is established, mutually acquiring the IP addresses of the opposite sides, and informing the listener of the event of the established connection; then, the downloading module 241 is connected to the network server module 341 through the established Wi-Fi network to download the media files corresponding to the media file list missing from the first multimedia vehicle-mounted device 2 in the memory 32 to the memory 22, and simultaneously, the downloading module 342 is also connected to the network server module 242 through the established Wi-Fi network to download the media files corresponding to the media file list missing from the second multimedia vehicle-mounted device 3 in the memory 22 to the memory 32, thereby implementing sharing of data resources in the memory 22 and the memory 32.
Preferably, when the data resource is shared, the media files are transmitted interactively with each other and are completely downloaded, and each media file is downloaded or uploaded in a power-off continuous transmission mode.
In summary, due to the adoption of the technical scheme, the application provides a system and a method for updating the content of the multimedia vehicle-mounted device, and the multimedia vehicle-mounted device can establish a local wireless network with other nearby multimedia devices by using a Wi-Fi network so as to perform data interaction; when detecting that a new version data packet appears on the remote server, downloading a media file list in the new version data packet, comparing the media file list, and acquiring a local missing media file list by inquiring data stored in a local memory; if the multimedia vehicle-mounted equipment is connected with the remote server and other multimedia vehicle-mounted equipment at the same time, the multimedia vehicle-mounted equipment preferentially searches whether media files corresponding to the locally missing media file list are stored in other multimedia vehicle-mounted equipment, if so, the multimedia vehicle-mounted equipment is directly downloaded to a local memory through a Wi-Fi network, and if not, the multimedia vehicle-mounted equipment can download the media files corresponding to the locally missing media file list from the remote server through a mobile communication wireless network, so that the multimedia vehicle-mounted equipment is timely upgraded, data sharing can be realized among the multimedia vehicle-mounted equipment, further, the downloading and updating file flow from the remote server is greatly saved, and the load of the remote server is reduced.
While the specification concludes with claims defining exemplary embodiments of particular structures for practicing the invention, it is believed that other modifications will be made in the spirit of the invention. While the above invention sets forth presently preferred embodiments, these are not intended as limitations.
Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. Therefore, the appended claims should be construed to cover all such variations and modifications as fall within the true spirit and scope of the invention. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.
Claims (8)
1. A system for updating content of multimedia vehicle-mounted equipment is characterized by comprising:
the system comprises at least two multimedia vehicle-mounted devices, wherein each multimedia vehicle-mounted device comprises a mobile communication module, a memory and a Wi-Fi module;
the remote server is prestored with a new version data packet of the multimedia vehicle-mounted equipment and is connected with the mobile communication module through a wireless mobile communication network so as to update the new version data packet to the memory;
the new version data packet stored in the memory of any one of the multimedia vehicle-mounted devices can be shared to the memory of another multimedia vehicle-mounted device through the Wi-Fi module.
2. The system for updating the content of the multimedia vehicle-mounted device according to claim 1, wherein the new version of the data packet comprises a media file list and a plurality of media files corresponding to the media file list, and each multimedia vehicle-mounted device acquires the media file list through a mobile communication module arranged locally thereof.
3. The system for multimedia vehicle-mounted device content update according to claim 2, wherein each of the multimedia vehicle-mounted devices further comprises:
the screening module is used for acquiring a media file list missing in a memory of the multimedia vehicle-mounted equipment according to the acquired media file list;
the multimedia vehicle-mounted equipment downloads the missing media files from the remote server or other nearby multimedia vehicle-mounted equipment according to the missing media file list;
when the multimedia vehicle-mounted equipment is in communication connection with the other multimedia vehicle-mounted equipment and the remote server at the same time, the multimedia vehicle-mounted equipment preferentially downloads the missing media files from the other multimedia vehicle-mounted equipment.
4. The system for multimedia in-vehicle device content update according to claim 1, wherein the Wi-Fi module comprises:
the Wi-Fi network connection management module is used for establishing or disconnecting Wi-Fi network connection between adjacent multimedia vehicle-mounted equipment;
the system comprises a network server and a downloading module;
and any multimedia vehicle-mounted equipment can download the missing media files from the network servers of other multimedia vehicle-mounted equipment in communication connection with the multimedia vehicle-mounted equipment through a locally arranged downloading module.
5. A method for updating content of multimedia vehicle-mounted equipment, which is based on the system for updating content of multimedia vehicle-mounted equipment according to any claim 1-4, and comprises the following steps:
the multimedia vehicle-mounted equipment downloads a media file list from a remote server through a mobile communication network;
acquiring a local missing media file list according to the downloaded media file list;
the multimedia vehicle-mounted equipment downloads the media files matched with the local missing media file list from other multimedia vehicle-mounted equipment through a Wi-Fi network according to the local missing media file list; or,
the multimedia vehicle-mounted equipment downloads a media file matched with the local missing media file list from the remote server through a wireless communication network according to the local missing media file list;
and the multimedia vehicle-mounted equipment calls all the media files which are stored locally and matched with the media file list according to the media file list so as to operate the new version of content.
6. The method for multimedia vehicle-mounted device content update according to claim 5, further comprising:
and when the multimedia vehicle-mounted equipment is in communication connection with the remote server and other multimedia vehicle-mounted equipment at the same time, downloading the media files matched with the local missing media file list from the other multimedia vehicle-mounted equipment preferentially according to the local missing media file list.
7. The method for multimedia vehicle-mounted device content update according to claim 5, further comprising:
the multimedia vehicle-mounted equipment acquires the version number of the data packet stored in the remote server from the remote server through the wireless communication network every other preset time period;
comparing the obtained version number with the version number of the locally stored data packet;
if the obtained version number is higher than the version number of the local data packet, the data packet stored in the remote server is a new version data packet, and the multimedia vehicle-mounted equipment downloads the media file list from the remote server;
the new version data packet comprises the media file list and a plurality of media files corresponding to the media file list.
8. The method for multimedia vehicle-mounted device content update according to claim 5, further comprising:
any multimedia vehicle-mounted device can establish Wi-Fi network connection with other nearby multimedia vehicle-mounted devices through the Wi-Fi module.
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| CN201410851139.7A CN104540121A (en) | 2014-12-29 | 2014-12-29 | Multimedia on-board equipment content updating system and method |
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| CN201410851139.7A CN104540121A (en) | 2014-12-29 | 2014-12-29 | Multimedia on-board equipment content updating system and method |
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