CN113259726A - Multimedia program distribution method, system, multimedia terminal and storage device - Google Patents
Multimedia program distribution method, system, multimedia terminal and storage device Download PDFInfo
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- CN113259726A CN113259726A CN202110676996.8A CN202110676996A CN113259726A CN 113259726 A CN113259726 A CN 113259726A CN 202110676996 A CN202110676996 A CN 202110676996A CN 113259726 A CN113259726 A CN 113259726A
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/30—Decision processes by autonomous network management units using voting and bidding
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The invention provides a multimedia program distribution method, a system, a multimedia terminal and a storage device, wherein the multimedia program distribution method comprises the following steps: s101: judging whether the server is a main server, if so, executing S102, and if not, executing S103; s102: acquiring a multimedia program arrangement table, synchronizing programs according to the received program synchronization instruction, and broadcasting a program updating instruction to a multimedia terminal within a preset range; s103: judging whether the server is a first server, if so, executing S105, and if not, executing S104; s104: receiving a program updating instruction, and requesting program synchronization from a main server according to the program updating instruction; s105: and issuing the multimedia program to the multimedia terminal according to the program issuing instruction distributed by the main server. The invention reduces the limitation of multi-terminal program distribution on network, service bandwidth and performance, improves the updating speed of the multimedia program, avoids the occurrence of server performance bottleneck, and reduces the cost of information release.
Description
Technical Field
The present invention relates to the field of multimedia information transmission, and in particular, to a method and a system for distributing multimedia programs, a multimedia terminal, and a storage device.
Background
The traditional network-based multimedia information issuing system is provided with a plurality of intelligent terminals in the same area, and needs to uniformly issue multimedia programs and manage terminals by depending on a single centralized control server and a plurality of centralized control servers.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a multimedia program distribution method, a multimedia program distribution system, a multimedia terminal and a storage device, which enable a plurality of terminals in a preset range to acquire a first server and a main server in a election mode, and utilize the main server and the first server to distribute programs in a multi-stage mode, thereby reducing the limitation of multi-terminal program distribution on network, service bandwidth and performance, improving the updating speed of multimedia programs, avoiding the occurrence of server performance bottleneck, and reducing the cost of information distribution.
In order to solve the above problems, the present invention adopts a technical solution as follows: a multimedia program distribution method is applied to a multimedia terminal and comprises the following steps: s101: judging whether the server is a main server, wherein a first server in a preset range acquires a multimedia terminal serving as the main server through election, if so, executing S102, and if not, executing S103; s102: acquiring a multimedia program arrangement table, synchronizing programs according to a received program synchronization instruction, and broadcasting a program updating instruction to multimedia terminals in the preset range, wherein the multimedia program arrangement table comprises multimedia programs corresponding to all the multimedia terminals in the preset range; s103: judging whether the terminal is a first server or not, acquiring the multimedia terminal serving as the first server by the multimedia terminal within the preset range through election, wherein the multimedia terminals managed by different first servers are different, if so, executing S105, and if not, executing S104; s104: receiving the program updating instruction, and requesting program synchronization from the main server according to the program updating instruction; s105: and issuing a multimedia program to the multimedia terminal according to a program issuing instruction distributed by the main server, wherein the program issuing instruction is an instruction generated after the main server receives a program synchronization request of the multimedia terminal, and the program issuing instruction comprises the multimedia program corresponding to each multimedia terminal managed by the first server.
Further, the preset ranges are in the same preset area or the same local area network.
Further, obtaining the first server or the main server by election further comprises: judging whether the re-election rule is met; if so, electing a new first server or a new main server according to the re-election rule, and announcing the change information of the first server or the main server after electing; and if not, not re-electing the first server and the main server.
Further, the re-election rule includes any one of a network disconnection of the first server or the main server, response timeout, no response and a number of managed multimedia terminals exceeding a preset value.
Furthermore, the multimedia terminal is connected through at least one of local area network, VLAN multicast and UDP multicast technologies, and elects the first server or the main server according to a preset election rule.
Further, the step of electing the first server or the main server according to the preset election rule further includes: and reporting the information of the first server or the main server to a centralized control server corresponding to the preset range.
Further, the step of issuing the multimedia program to the multimedia terminal connected to the first server according to the program issuing instruction allocated by the main server further includes: and the main server sends program updating information to the multimedia terminal through the first server.
Based on the same inventive concept, the invention also provides a multimedia terminal, which comprises a processor and a memory, wherein the processor is in communication connection with the memory, the memory stores a computer program, and the processor executes the multimedia program distribution method according to the computer program.
Based on the same inventive concept, the invention also provides a multimedia program distribution system, which comprises a centralized control server and a multimedia terminal, wherein the multimedia terminal is in communication connection with the centralized control server, and the multimedia program distribution system executes the multimedia program distribution method through the multimedia terminal.
Based on the same inventive concept, the present invention further proposes a storage device storing program data for executing the multimedia program distribution method as described above.
Compared with the prior art, the invention has the beneficial effects that: the method has the advantages that the first server and the main server are obtained by the terminals within the preset range in a election mode, and the main server and the first server are used for carrying out multi-stage distribution of programs, so that the limitation of multi-terminal program distribution on network, service bandwidth and performance is reduced, the updating speed of the multimedia programs is increased, the performance bottleneck of the servers is avoided, and the cost of information distribution is reduced.
Drawings
FIG. 1 is a flow chart of an embodiment of a multimedia program distribution method of the present invention;
FIG. 2 is a flowchart illustrating an embodiment of a first server and a main server in the multimedia program distribution method according to the present invention;
FIG. 3 is a flowchart illustrating an embodiment of a multimedia program synchronized distribution method according to the present invention;
FIG. 4 is a flowchart illustrating an embodiment of synchronized playing of multimedia programs by a multimedia terminal according to the multimedia program distribution method of the present invention;
FIG. 5 is a block diagram of a multimedia terminal according to an embodiment of the present invention;
FIG. 6 is a block diagram of one embodiment of a multimedia program distribution system of the present invention;
FIG. 7 is a block diagram of an embodiment of a memory device according to the invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 1-4, fig. 1 is a flow chart of a multimedia program distribution method according to an embodiment of the present invention; FIG. 2 is a flowchart illustrating an embodiment of a first server and a main server in the multimedia program distribution method according to the present invention; FIG. 3 is a flowchart illustrating an embodiment of a multimedia program synchronized distribution method according to the present invention; fig. 4 is a flowchart of an embodiment of synchronous playing of multimedia terminals in the multimedia program distribution method of the present invention. The multimedia program distribution method of the present invention will be described in detail with reference to fig. 1 to 4.
In this embodiment, the multimedia program distribution method is applied to a multimedia terminal, and includes:
s101: judging whether the server is a main server, wherein a first server in a preset range acquires a multimedia terminal serving as the main server through election, the multimedia terminal in the preset range acquires the multimedia terminal serving as the first server through election, if so, executing S102, and if not, executing S103.
In this embodiment, the multimedia terminal is an advertisement playing terminal in an advertisement delivery area such as an elevator, an outer wall, a bus stop, and the like. In other embodiments, the device may also be a mobile phone, a tablet computer, a television, or other devices capable of receiving multimedia programs and playing multimedia programs.
In this embodiment, the multimedia terminal is connected to a centralized control server or other device for distributing multimedia programs to receive the multimedia programs distributed by the multimedia terminal.
In this embodiment, the preset ranges are the same preset area or the same local area network, and different preset ranges are numbered. Terminals for playing multimedia programs are connected through a network. The multimedia terminal can acquire the information of the network where the multimedia terminal is located and the terminals located in the same local area network in a mode of network query or inquiry of network connection information stored in the multimedia terminal or a connected centralized control server, and can acquire the area where the multimedia terminal is located in a mode of GPS positioning, base station positioning and other positioning modes so as to identify the corresponding preset area.
In a specific embodiment, the multimedia terminal is connected with the centralized control server, different preset areas where the multimedia terminal is located are identified and stored in an ID number mode, and the first server elects the main server in the preset area according to the preset area where the first server is located.
In this embodiment, the sizes of the preset areas may be the same. The size of the preset area can be determined according to the number of the terminals in each area, so that the number of the terminals in each preset area is close and does not exceed the preset value.
In other embodiments, the preset range may also be determined according to the multimedia program types played by the multimedia terminal, and the multimedia terminals with the same program types are divided into the same preset range. The preset range can also be determined according to the centralized control server connected with the multimedia terminal, and the multimedia terminal connected with the same centralized control server is determined to be positioned in the same preset range.
In this embodiment, the multimedia terminal connects and transmits multimedia program information through at least one of technologies of a local area network, VLAN multicast, and UDP multicast, and elects the main server according to a preset election rule.
In this embodiment, the election rule includes:
the first rule is that when the centralized control server sends programs in batch, the centralized control server sequentially instructs the terminals to ping the centralized control server according to the size of the multimedia terminal ID from small to large, and uploads ping test delay information.
And a second rule is that the centralized control server designates N terminals with the minimum delay as a first server, and sequentially instructs the terminals to carry out HTTP downloading speed measurement, wherein the terminal with the maximum downloading speed is the main server.
In other embodiments, the preset election rule may also include at least one of a data storage capacity, a data transmission speed with the centralized control server or other first servers, and a data processing performance of the multimedia terminal. The user can set according to the self requirement, and only needs to be able to store the multimedia program sent by the centralized control server and improve the program distribution speed, which is not limited herein.
In this embodiment, the number of the main servers in the same preset range is one, in other embodiments, the number of the main servers in the same preset range may also be two, three, or other numbers, and the different main servers distribute the programs to the different first servers.
In this embodiment, after the main server is acquired, the main server or the first server transmits information of the main server to the centralized control server, so that the centralized control server transmits program distribution information to the main server when distributing a program.
In this embodiment, obtaining the primary server by election further includes: judging whether the re-election rule is met; if so, electing a new main server according to the re-election rule, and announcing the change information of the main server to the multimedia terminal in the preset range after the election; and if not, not re-electing the main server.
In this embodiment, the re-election rule includes any one of network disconnection of the main server, response timeout, no response, and the number of managed multimedia terminals exceeding a preset value. In other embodiments, the conditions affecting the program distribution speed may also be accessed by a new multimedia terminal, or a multimedia terminal within a preset range is replaced, or a signal transmission device such as a router or a signal transmission path is changed.
S102: and acquiring a multimedia program scheduling list, synchronizing programs according to the received program synchronization instruction, and broadcasting a program updating instruction to the multimedia terminals in the preset range, wherein the multimedia program scheduling list comprises multimedia programs corresponding to all the multimedia terminals in the preset range.
In this embodiment, the centralized control server sends the multimedia program schedule in the preset range corresponding to the main server, and sends a program synchronization instruction to the main server, so that the main server obtains the data of the multimedia programs in the multimedia program schedule from the centralized control server. The main server, the first server, the multimedia terminal and the multimedia program are all marked in the multimedia program arrangement table in an ID mode. The main server and the centralized control server store the ID number of the multimedia terminal managed by each first server.
In this embodiment, the centralized control server may send update information of the multimedia program schedule to different main servers at irregular time according to the needs of the administrator, and after receiving the update information, the main server determines, according to the update information, a multimedia terminal that needs to replace the played multimedia program, and determines whether the multimedia program in the update information is stored in the main server. And if the multimedia program does not exist, acquiring the multimedia program from the centralized control server.
S103: judging whether the terminal is a first server, acquiring the multimedia terminal serving as the first server by the multimedia terminal within a preset range through election, wherein the multimedia terminals managed by different first servers are different, if so, executing S105, and if not, executing S104.
In other embodiments, the predetermined election rule for electing the first server may be at least one of a router connected to the first server, a data transmission speed with other multimedia terminals, a data transmission speed with the main server, whether the first server is connected to the same wireless or wired transmission terminal, a data storage capacity, and a data processing capacity.
In this embodiment, after the first server is acquired, the first server or the multimedia terminal transmits information of the first server to the centralized control server.
In this embodiment, the multimedia terminal sequentially initiates a ping test to the first server, and selects the first server with the minimum delay to connect.
In this embodiment, obtaining the first server by election further includes: judging whether the election rule is satisfied or not; if so, electing a new first server according to the re-election rule, and announcing the change information of the first server to the multimedia terminal in the preset range after the election; and if not, not re-electing the first server.
In this embodiment, the re-election rule includes any one of a network disconnection of the first server, a response timeout, no response, and a number of managed multimedia terminals exceeding a preset value. In other embodiments, the conditions affecting the program distribution speed may also be accessed by a new multimedia terminal, or a multimedia terminal within a preset range is replaced, or a signal transmission device such as a router or a signal transmission path is changed.
In the above embodiment, when the new multimedia terminal is set within the preset range, the multimedia terminal is connected to the centralized control server, and queries the addresses of the main server and the first server within the preset range, and determines the first server connected thereto according to the addresses, so as to obtain the multimedia program from the first server. The addresses of the main server and the first server comprise information such as geographical positions, network addresses and positions in a local area network.
S104: and receiving a program updating instruction, and requesting program synchronization from the main server according to the program updating instruction.
In this embodiment, the program update instruction may include multimedia program information to be played by the multimedia terminal, and after receiving the program update instruction, the multimedia terminal determines the multimedia program information to be acquired according to the program update instruction. And sending a program synchronization request to the main server according to the multimedia program information.
In other embodiments, the program update instruction may not include the multimedia program information, and the multimedia terminal sends the program synchronization request including its ID number to the main server after receiving the program update instruction.
In this embodiment, the main server may send a program update instruction only to the multimedia terminal in which the played program changes.
S105: and issuing the multimedia programs to the multimedia terminals according to the program issuing instructions distributed by the main server, wherein the program issuing instructions are generated after the main server receives the program synchronization requests of the multimedia terminals, and the program issuing instructions comprise the multimedia programs corresponding to each multimedia terminal in a second preset range.
In this embodiment, the program issuing instruction further includes a multimedia program that is played by the first server correspondingly, and the first server obtains the multimedia program played by the first server from the main server according to information of the program issuing instruction and plays the multimedia program.
The main server determines the multimedia programs needing to be distributed by different first servers and the multimedia terminals corresponding to the multimedia programs according to the serial numbers of the multimedia terminals and the information of the multimedia terminals managed by the first servers, generates program issuing instructions and sends the program issuing instructions to the corresponding first servers.
In this embodiment, the step of issuing the multimedia program to the multimedia terminal connected to the first server according to the program issuing instruction allocated by the main server further includes: the main server sends program updating information to the multimedia terminal through the first server, wherein the program updating information comprises an ID number of a multimedia program to be played by the multimedia terminal, and the multimedia terminal downloads the multimedia program according to the ID number in the program updating information after receiving the program updating information.
In other embodiments, the main server may also store the multimedia program played by the multimedia terminal managed by the first server in the first server, send a program update instruction to the correspondingly managed multimedia terminal through the first server, and request the first server for program synchronization by the multimedia terminal.
In this embodiment, in order to enable the multimedia terminal to simultaneously play the same multimedia program, synchronization frame information may be sent to the multimedia terminal through the first server, the main server, or the centralized control server, where the synchronization frame information includes a playing time of a specific frame in the multimedia program, and after receiving the synchronization frame information, the multimedia terminal synchronously plays the multimedia program according to the information.
Has the advantages that: the multimedia program distribution method enables a plurality of terminals in a preset range to acquire the first server and the main server in a election mode, and utilizes the main server and the first server to distribute programs in a multi-stage mode, so that the limitation of multi-terminal program distribution on a network, service bandwidth and performance is reduced, the updating speed of multimedia programs is increased, the performance bottleneck of the servers is avoided, and the cost of information distribution is reduced.
Based on the same inventive concept, the present invention further provides a multimedia terminal, please refer to fig. 5, and fig. 5 is a structural diagram of an embodiment of the multimedia terminal according to the present invention.
In this embodiment, the multimedia terminal includes a processor and a memory, the processor is connected to the memory in communication, the memory stores a computer program, and the processor executes the multimedia program distribution method according to the computer program.
Based on the same inventive concept, the present invention further provides a multimedia program distribution system, please refer to fig. 6, fig. 6 is a structural diagram of an embodiment of the multimedia program distribution system of the present invention, and the multimedia program distribution system of the present invention is described with reference to fig. 6.
In this embodiment, the multimedia program distribution system includes a centralized control server and a multimedia terminal, where the multimedia terminal is in communication connection with the centralized control server, and the multimedia program distribution system executes the multimedia program distribution method according to the above embodiment through the multimedia terminal.
Based on the same inventive concept, the present invention further provides a memory device, please refer to fig. 7, fig. 7 is a structural diagram of an embodiment of the memory device of the present invention, and the memory device of the present invention is described with reference to fig. 7.
In the present embodiment, the storage means stores program data used for executing the multimedia program distribution method as described in the above-described embodiments.
The specific implementation process and related embodiments of the intelligent nursing method have been specifically described in the above embodiments, and are not described in detail herein.
In the several embodiments provided in the present application, it should be understood that the disclosed terminal, system and method can be implemented in other manners. For example, the above-described terminal embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM for English abbreviation: Read-Only multimedia program distribution method), a Random Access Memory (RAM for English abbreviation: Random multimedia program distribution method Access multimedia program distribution method), a magnetic disk or an optical disk, and other media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A multimedia program distribution method is applied to a multimedia terminal, and comprises the following steps:
s101: judging whether the server is a main server, wherein a first server in a preset range acquires a multimedia terminal serving as the main server through election, if so, executing S102, and if not, executing S103;
s102: acquiring a multimedia program arrangement table, synchronizing programs according to a received program synchronization instruction, and broadcasting a program updating instruction to multimedia terminals in the preset range, wherein the multimedia program arrangement table comprises multimedia programs corresponding to all the multimedia terminals in the preset range;
s103: judging whether the terminal is a first server or not, acquiring the multimedia terminal serving as the first server by the multimedia terminal within the preset range through election, wherein the multimedia terminals managed by different first servers are different, if so, executing S105, and if not, executing S104;
s104: receiving the program updating instruction, and requesting program synchronization from the main server according to the program updating instruction;
s105: and issuing a multimedia program to the multimedia terminal according to a program issuing instruction distributed by the main server, wherein the program issuing instruction is an instruction generated after the main server receives a program synchronization request of the multimedia terminal, and the program issuing instruction comprises the multimedia program corresponding to each multimedia terminal managed by the first server.
2. The multimedia program distribution method of claim 1, wherein the predetermined range is the same predetermined area or the same local area network.
3. The multimedia program distribution method of claim 1, wherein obtaining the first server or the main server by election further comprises:
judging whether the re-election rule is met;
if so, electing a new first server or a new main server according to the re-election rule, and announcing the change information of the first server or the main server after electing;
and if not, not re-electing the first server and the main server.
4. The multimedia program distribution method according to claim 3, wherein the re-election rule includes any one of a disconnection of the first server or the main server, a response timeout, no response, and a number of managed multimedia terminals exceeding a preset value.
5. The multimedia program distribution method according to claim 1, wherein the multimedia terminal is connected by at least one of local area network, VLAN multicast, UDP multicast technologies, and elects the first server or the main server according to a preset election rule.
6. The multimedia program distribution method of claim 5, wherein the step of electing the first server or the main server according to a preset election rule further comprises, after the step of electing the first server or the main server according to a preset election rule:
and reporting the information of the first server or the main server to a centralized control server corresponding to the preset range.
7. The multimedia program distribution method according to claim 1, wherein the step of distributing multimedia programs to the multimedia terminal connected to the first server according to the program distribution instruction distributed by the main server further comprises:
and the main server sends program updating information to the multimedia terminal through the first server.
8. A multimedia terminal, characterized in that it comprises a processor, a memory, said processor being communicatively connected to said memory, said memory storing a computer program according to which said processor performs the multimedia program distribution method according to any of claims 1-7.
9. A multimedia program distribution system, characterized in that the multimedia program distribution system comprises a centralized control server, a multimedia terminal, the multimedia terminal is connected with the centralized control server in a communication way, the multimedia program distribution system executes the multimedia program distribution method according to any one of claims 1 to 7 through the multimedia terminal.
10. A storage device, characterized in that the storage device stores program data for executing the multimedia program distribution method according to any one of claims 1 to 7.
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