CN210839883U - Multi-screen synchronous playing system - Google Patents
Multi-screen synchronous playing system Download PDFInfo
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- CN210839883U CN210839883U CN201921917574.XU CN201921917574U CN210839883U CN 210839883 U CN210839883 U CN 210839883U CN 201921917574 U CN201921917574 U CN 201921917574U CN 210839883 U CN210839883 U CN 210839883U
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Abstract
The embodiment of the utility model provides a many screen synchronization broadcast system, it includes for example: an image pickup apparatus; the main asynchronous broadcast control device is connected with the camera equipment through a network; the streaming media server is connected with the main asynchronous broadcast control device through a network; the plurality of slave asynchronous broadcast control devices are respectively connected to the streaming media server through a network, and the master asynchronous broadcast control device, the streaming media server and the plurality of slave asynchronous broadcast control devices are positioned in the same local area network; and the plurality of first display screens are connected with the plurality of slave asynchronous broadcast control devices in a one-to-one correspondence manner. The embodiment solves the problem that a plurality of display screens can not play the same interview video at the same time, and realizes that the same streaming media is synchronously played through a plurality of asynchronous playing and controlling devices in the same local area network.
Description
Technical Field
The utility model relates to a show control technical field, especially relate to a synchronous broadcast system of shielding more.
Background
With the development of the LED display screen, the application scenes of the LED display screen are more and more extensive. In many large-scale events or large-scale conferences, a large number of LED display screens are used, and generally, different contents are played by each LED display screen. Generally, in a large-scale event, interviews are conducted on athletes and the like, and simultaneously, interview videos recorded by a camera need to be synchronously played on each LED display screen in the event field for audiences to watch. In the prior art, an asynchronous broadcast control device is generally configured for each LED display screen, and the LED display screens are independently controlled to play, so that the same interview video cannot be played simultaneously.
SUMMERY OF THE UTILITY MODEL
Therefore, for overcoming the defect and not enough among the prior art, the embodiment of the utility model provides a synchronous broadcast system of many screens to realize that a plurality of asynchronous broadcast accuse device can play streaming media simultaneously in same LAN.
On the one hand, the embodiment of the utility model provides a pair of synchronous broadcast system of shielding more, include: an image pickup apparatus; the main asynchronous broadcast control device is connected with the camera equipment through a network; the streaming media server is connected with the main asynchronous broadcast control device through a network; the plurality of slave asynchronous broadcast control devices are respectively connected to the streaming media server through a network, and the master asynchronous broadcast control device, the streaming media server and the plurality of slave asynchronous broadcast control devices are positioned in the same local area network; and the plurality of first display screens are connected with the plurality of slave asynchronous broadcast control devices in a one-to-one correspondence manner.
The multi-screen synchronous playing system provided by this embodiment collects streaming media data shot by a camera device in real time through a master asynchronous playing control device, and sends the streaming media data to a streaming media server, and the streaming media server receives and caches the streaming media data, and synchronously sends the streaming media data to a plurality of slave asynchronous playing control devices connected to the streaming media server, and the slave asynchronous playing control devices receive the streaming media data and display the streaming media data on a display screen, so that the problem that a plurality of display screens cannot play a same access video at the same time is solved, the synchronous playing of the same streaming media through a plurality of asynchronous playing control devices in the same local area network is realized, and the number of slave asynchronous playing control devices that can be loaded in the multi-screen synchronous playing system is not limited because the streaming media server has a large load.
In an embodiment of the present invention, the multi-screen synchronous playing system further includes a switch, and the plurality of slave asynchronous playing control devices are connected to the streaming media server through the switch respectively.
In an embodiment of the present invention, the number of the switches is multiple, the streaming server is connected to the switches, and each of the switches is connected to one or more of the slave asynchronous broadcast control devices.
In an embodiment of the present invention, the multi-screen synchronized playing system further includes: and the second display screen is connected with the main asynchronous broadcast control device.
In an embodiment of the present invention, the master asynchronous broadcast control device and the slave asynchronous broadcast control device are the same asynchronous broadcast control device.
The utility model discloses an embodiment, first display screen includes the receiving card and connects the LED display screen of receiving card, the receiving card is connected among the plurality of asynchronous broadcast control devices with the asynchronous broadcast control device of follow that first display screen corresponds the connection.
In an embodiment of the present invention, the master asynchronous broadcast control device includes: an embedded processor; the first input interface is electrically connected with the embedded processor and the camera equipment; the programmable logic device is electrically connected with the embedded processor; and the output interface is electrically connected with the programmable logic device and the streaming media server.
In an embodiment of the present invention, the first input interface and the output interface are ethernet interfaces respectively.
In an embodiment of the present invention, the master-slave asynchronous broadcast control device further includes a second input interface, and the second input interface is electrically connected to the programmable logic device.
In an embodiment of the present invention, the second input interface is a high definition multimedia interface, a digital video interface or a display interface.
One or more of the above technical solutions may have the following advantages or beneficial effects: the method comprises the steps that streaming media data shot by camera equipment are collected in real time through a main asynchronous broadcast control device and are sent to a streaming media server, the streaming media server receives and caches the streaming media data and synchronously sends the streaming media data to a plurality of auxiliary asynchronous broadcast control devices connected with the streaming media server, the auxiliary asynchronous broadcast control devices receive the streaming media data and display the streaming media data on a display screen, the problem that a plurality of display screens cannot play the same interview video at the same time is solved, and the synchronous playing of the same streaming media through the plurality of asynchronous broadcast control devices in the same local area network is realized. In addition, the stream media server has a large load, so that the number of slave asynchronous broadcast control devices which can be loaded in the multi-screen synchronous playing system is not limited. Moreover, the master asynchronous broadcast control device and the slave asynchronous broadcast control devices are the same asynchronous broadcast control device, and one of the asynchronous broadcast control devices can be arbitrarily selected as the master asynchronous broadcast control device, so that the multi-screen synchronous broadcast system is more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-screen synchronized playback system according to an embodiment of the present invention.
Fig. 2 is another schematic structural diagram of a multi-screen synchronized playback system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a multi-screen synchronized playback system according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the primary asynchronous broadcast control device 200 in fig. 1.
Fig. 5 is another schematic structural diagram of the primary asynchronous broadcast control device 200 in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a multi-screen synchronous playing system, which includes an image capturing apparatus 100, a master asynchronous broadcast control device 200, a streaming media server 300, a plurality of slave asynchronous broadcast control devices 400 and a plurality of first display screens 500, where the master asynchronous broadcast control device 200 is connected to the image capturing apparatus 100 via a network, such as an ethernet, the streaming media server 300 is connected to the master asynchronous broadcast control device 200 via a network, such as an ethernet, the plurality of slave asynchronous broadcast control devices 400 are respectively connected to the streaming media server 300 via an ethernet, for example, and the streaming media server can implement functions of receiving, encoding, distributing, and storing streaming media, for example. The plurality of first display screens 500 are connected to the plurality of slave asynchronous broadcast control devices 400 in a one-to-one correspondence. The master asynchronous broadcast control device 200 acquires streaming media data from the image pickup apparatus 100, and sends the streaming media data to the streaming media server 300, and the streaming media server 300 receives and caches the streaming media data, and synchronously forwards the streaming media data to the plurality of slave asynchronous broadcast control devices 400, so that the slave asynchronous broadcast control devices 400 receive the streaming media data, and control the streaming media data to be synchronously played on the corresponding first display screens 500. The first display screen 500 is, for example, an LED display screen, the first display screen 500 includes, for example, an LED display screen and a receiving card connected to the LED display screen, and the receiving card is connected to the slave asynchronous broadcast control device 400 connected to the first display screen.
Further, as shown in fig. 2, the multi-screen synchronous playback system may further include a switch 600, and the plurality of slave asynchronous playback devices 400 are respectively connected to the streaming media server 300 through the switch 600, for example. Further, the number of the switches 600 is, for example, plural, the streaming media server 300 is connected to plural switches 600, and each switch 600 is connected to plural slave asynchronous broadcast control apparatuses 400, so that more slave asynchronous broadcast control apparatuses 400 can be connected to realize synchronous broadcast of more display screens. In the foregoing connection manner, the master asynchronous broadcast control device 200, the streaming media server 300 and the plurality of slave asynchronous broadcast control devices 400 may be in the same local area network.
As shown in fig. 3, the multi-screen synchronous playback system may further include a second display screen 700 connected to the primary asynchronous playback device 200, the primary asynchronous playback device 200 may control the streaming media data to be played on the second display screen 700 connected thereto. Here, the second display 700 may be, for example, a display having the same structure as the first display 500. Of course, it may also be a different display screen than the first display screen 500, such as an LCD display screen or other display screen.
It is worth mentioning that the master asynchronous broadcast control device 200 and the slave asynchronous broadcast control device 400 may be the same asynchronous broadcast control device, for example, the master asynchronous broadcast control device 200 and the slave asynchronous broadcast control device 400 have the same structure. Specifically, as shown in fig. 4, the master asynchronous broadcast control device 200 includes, for example, an embedded processor 210, a first input interface 220, such as an ethernet interface, a programmable logic device 230, and an output interface 240, where the first input interface 220 is electrically connected to the embedded processor 210, the programmable logic device 230 is connected to the embedded processor 210, and the output interface 240 is electrically connected to the programmable logic device 230. The embedded processor is, for example, an ARM processor, and the ARM processor can obtain streaming media data such as a video source through the first input interface 220; the Programmable logic device 230 is, for example, a Field Programmable Gate Array (FPGA); the output interface 240 is, for example, an ethernet interface, the primary asynchronous broadcast control device is, for example, connected to the streaming media server 300 through the output interface 240, and the output interface 240 may be connected to an external device or an external network, through which the streaming media data is transmitted. As shown in fig. 5, the master asynchronous playing device 200 further includes a second input Interface 250 electrically connected to the programmable logic device 230 for inputting an external video source through the second input Interface 250, where the second input Interface 250 is, for example, a High Definition Multimedia Interface (HDMI), a Digital Video Interface (DVI), or a display Interface (DisplayPort, DP), but the invention is not limited thereto. In addition, the asynchronous playing device can also adopt video playing equipment with the same function, which is mature in the prior art. Specifically, in practical applications, the multi-screen synchronous playing system includes, for example, a plurality of asynchronous playing control devices, one of the asynchronous playing control devices can be arbitrarily selected as the master asynchronous playing control device 200, and the other asynchronous playing control devices can be selected as the slave asynchronous playing control devices 400, so that the composition of the multi-screen synchronous playing system is simpler and the operation is more convenient.
In order to facilitate a clearer understanding of the present embodiment, the following describes the multi-screen synchronized playback system of the present embodiment in detail by taking the multi-display screen synchronized live broadcast interview video as an example with reference to fig. 1 to 5.
Specifically, when the interview is performed, the interview video is captured by using the image capturing apparatus 100, such as a video camera, the image capturing apparatus 100 is connected to the main asynchronous broadcast control device 200 through the first input interface 220 on the main asynchronous broadcast control device 200, for example, the embedded processor 210 on the main asynchronous broadcast control device 200 acquires the streaming media data of the interview video, and processes the streaming media data, transmits the streaming media data to the programmable logic device 230, the streaming media data is transmitted to the streaming media server 300 through the output interface 240, the streaming media server 300 receives and buffers the streaming media data, and synchronously forwards the streaming media data to a plurality of slave asynchronous broadcast control devices 400, a plurality of slave asynchronous broadcast control devices 400 receive the streaming media data, and the interview video is displayed on the first display screen 500 connected with the slave asynchronous broadcast control device 400, so that multi-screen synchronous live broadcast of the interview video is realized. The main asynchronous broadcast control device 200 may also be connected to the second display screen 700, and the interview video is displayed on the second display screen 700 connected to the main asynchronous broadcast control device 200, or the interview video may also be played on the second display screen 700. The second display screen 700 is for example the LED display screen, and the first display screen 500 and the second display screen 700 can be the same display screen, also can be different display screens, the utility model discloses not use this as the limit.
The multi-screen synchronous playing of the streaming media is completed through the above embodiments, the streaming media data shot by the camera device 100 is collected in real time through the master asynchronous playing control device 200, and is sent to the streaming media server 300, the streaming media server 300 receives and caches the streaming media data, and sends the streaming media data to the plurality of slave asynchronous playing control devices 400 connected to the streaming media server synchronously, the slave asynchronous playing control devices 400 receive the streaming media data and display the streaming media data on the first display screen 500, the problem that the same access video cannot be played simultaneously by the plurality of display screens is solved, and the same streaming media is played synchronously through the plurality of asynchronous playing control devices in the same local area network. In addition, because the streaming media server 300 is loaded with a large load, the number of slave asynchronous broadcast control devices 400 that can be loaded in the multi-screen synchronous playing system is not limited. Furthermore, the master asynchronous broadcast control device 200 and the slave asynchronous broadcast control device 400 are the same asynchronous broadcast control device, and one of the asynchronous broadcast control devices can be arbitrarily selected as the master asynchronous broadcast control device 200, so that the multi-screen synchronous broadcast system is more convenient.
Furthermore, it should be understood that the foregoing embodiments are only exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated for use on the premise that the technical features are not conflicted, the structure is not contradictory, and the purpose of the present invention is not violated.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of one logic function, and an actual implementation may have another division, for example, multiple 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 also be distributed on multiple 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, each functional unit/module in the embodiments of the present invention may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units/modules.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A multi-screen synchronous playing system is characterized by comprising:
an image pickup apparatus;
the main asynchronous broadcast control device is connected with the camera equipment through a network;
the streaming media server is connected with the main asynchronous broadcast control device through a network;
the plurality of slave asynchronous broadcast control devices are respectively connected to the streaming media server through a network, and the master asynchronous broadcast control device, the streaming media server and the plurality of slave asynchronous broadcast control devices are positioned in the same local area network;
and the plurality of first display screens are connected with the plurality of slave asynchronous broadcast control devices in a one-to-one correspondence manner.
2. A multi-screen synchronized playback system as recited in claim 1, further comprising:
and the plurality of slave asynchronous broadcast control devices are respectively connected to the streaming media server through the switch.
3. A multi-screen synchronous playback system as recited in claim 2, wherein there are a plurality of the switches, the streaming server is connected to a plurality of the switches, and each of the switches is connected to one or more of the slave asynchronous playback control devices.
4. A multi-screen synchronized playback system as recited in claim 1, further comprising:
and the second display screen is connected with the main asynchronous broadcast control device.
5. A multi-screen synchronous playback system as recited in claim 1, wherein the master asynchronous playback device and the slave asynchronous playback device are the same asynchronous playback device.
6. A multi-screen synchronous playback system as recited in claim 1, wherein the first display screen includes a receiving card and an LED display screen connected to the receiving card, the receiving card being connected to a slave asynchronous playback control device of the plurality of slave asynchronous playback control devices that is connected to the first display screen.
7. A multi-screen synchronous playback system as recited in claim 1, wherein the primary asynchronous playback control device comprises:
an embedded processor;
the first input interface is electrically connected with the embedded processor and the camera equipment;
the programmable logic device is electrically connected with the embedded processor;
and the output interface is electrically connected with the programmable logic device and the streaming media server.
8. A multi-screen synchronized playback system as recited in claim 7, wherein the first input interface and the output interface are each an Ethernet interface.
9. A multi-screen synchronous playback system as recited in claim 7, wherein the primary asynchronous playback device further includes a second input interface, the second input interface being electrically coupled to the programmable logic device.
10. A multi-screen synchronized playback system as recited in claim 9, wherein the second input interface is a high-definition multimedia interface, a digital video interface, or a display interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917574.XU CN210839883U (en) | 2019-11-07 | 2019-11-07 | Multi-screen synchronous playing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921917574.XU CN210839883U (en) | 2019-11-07 | 2019-11-07 | Multi-screen synchronous playing system |
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| CN210839883U true CN210839883U (en) | 2020-06-23 |
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