CN115361367A - Dual-channel broadcasting system for emergency broadcasting - Google Patents
Dual-channel broadcasting system for emergency broadcasting Download PDFInfo
- Publication number
- CN115361367A CN115361367A CN202211283989.2A CN202211283989A CN115361367A CN 115361367 A CN115361367 A CN 115361367A CN 202211283989 A CN202211283989 A CN 202211283989A CN 115361367 A CN115361367 A CN 115361367A
- Authority
- CN
- China
- Prior art keywords
- broadcasting
- channel
- broadcast
- terminal
- dual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- 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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a dual-channel broadcasting system for emergency broadcasting, which comprises: the system comprises a broadcasting system, an Internet of things platform, a streaming media platform and one or more broadcasting terminals; when the broadcasting system initiates broadcasting, two-channel instructions of a first channel and a second channel are simultaneously constructed, and the constructed two-channel instructions are sent to a broadcasting terminal through an Internet of things platform; wherein the first channel is a real-time flow channel; the second channel is a non-real-time flow channel; the Internet of things platform is used for accessing the broadcast terminal and the broadcast application and providing a communication channel between the broadcast system and the broadcast terminal; the streaming media platform is used for providing real-time streaming capability, the broadcasting system pushes the real-time stream to the streaming media platform, and the broadcasting terminal pulls the real-time stream from the streaming media platform; and the broadcasting terminal selects the optimal channel to execute the broadcasting task according to the two-channel instruction. The dual-channel broadcasting system has flexible dual channels, the two channels can be mutually backed up, and the application range is wider.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a dual-channel broadcasting system for emergency broadcasting.
Background
Currently existing broadcast modes, generally single channel modes, are for example a real-time streaming mode: the other method is that a push instruction mode is adopted, and the broadcasting terminal analyzes content files such as detailed texts, audios and the like in the instruction and related broadcasting strategies according to the instruction issued by the platform, so that the transmission of the broadcasting is realized.
The two modes have respective advantages, and simultaneously have respective different degrees and defects or limitations in application scenes, so that different actual broadcasting requirements in various scenes cannot be met.
The broadcast mode of the real-time stream, schedule and control in unison by the broadcast platform, the broadcast terminal only needs to be responsible for simple instruction execution, realize the acquisition of the real-time stream and processes such as interrupt, the control, analysis and processing are convenient for on the side of the platform, this kind of realization mechanism, the logical processing of the broadcast terminal is simple, do not need to possess too high hardware processing ability, can effectual reduction hardware cost, however, there is obvious defect too, it is the transmission speed that relies on the network too, under the relatively poor circumstances of network environment, the broadcast has obvious card pause or loses the content, under needing high quality, under the high-accuracy broadcast scene, can't reach fine broadcast effect.
The method is a processing scheme similar to decentralization, and a specific broadcasting flow is not controlled by the broadcasting platform and is changed into control by each broadcasting terminal, so that the broadcasting has the advantages that the dependence on a network environment is reduced, most work is finished by the broadcasting terminal, the broadcasting can be carried out smoothly without blockage, the content is not lost, and the flow consumption is greatly reduced. However, at the same time, the control of the broadcast platform to the broadcast, including monitoring the broadcast flow, is also reduced, and in this scheme, the processing logic of the broadcast terminal is relatively complex, which is not favorable for the maintenance, upgrade, and other processing of the broadcast terminal.
The background description provided herein is for the purpose of generally presenting the context of the disclosure. Unless otherwise indicated herein, the material described in this section is not prior art to the claims in this application and is not admitted to be prior art by inclusion in this section.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides a dual channel broadcasting system for emergency broadcasting, including: the system comprises a broadcasting system, an Internet of things platform, a streaming media platform and one or more broadcasting terminals;
the broadcasting system is responsible for initiating a broadcasting service, and when the broadcasting system initiates broadcasting, the broadcasting system simultaneously constructs two-channel instructions of a first channel and a second channel and sends the constructed two-channel instructions to the broadcasting terminal through the Internet of things platform; wherein the first channel is a real-time flow channel; the second channel is a non-real-time flow channel;
the Internet of things platform is used for accessing the broadcast terminal and the broadcast application and providing a communication channel between the broadcast system and the broadcast terminal;
the broadcasting system pushes the real-time stream to the streaming media platform, and the broadcasting terminal pulls the real-time stream from the streaming media platform;
and the broadcasting terminal selects the optimal channel to execute the broadcasting task according to the two-channel instruction.
Specifically, the second channel is a side-by-side seeding channel.
Specifically, the broadcasting system constructs a dual-channel instruction according to the broadcasting task information and the terminal broadcasting protocol, wherein the dual-channel instruction simultaneously comprises the real-time stream channel information and the side-by-side broadcasting channel information. Wherein the dual channel instruction comprises: real-time streaming addresses, content addresses/text, broadcast policies.
Specifically, the broadcast policy includes a loop policy for a side-to-side broadcast channel: and the non-current cycle strategy of the edge-lower broadcasting channel is controlled by the broadcasting system.
Specifically, the broadcasting terminal receives and analyzes the two-channel instruction, and the broadcasting terminal executes the simultaneous broadcasting instruction by default.
Specifically, after the broadcast terminal is restarted, the real-time stream is pulled from the streaming media platform by using the instruction of the first channel.
Specifically, when the broadcast channel is under the default edge or the broadcast terminal processes the abnormality, the broadcast terminal actively switches to the real-time channel to pull the real-time stream from the streaming media platform.
Specifically, the broadcast terminal recovers the edge-to-edge broadcast channel according to a broadcast status instruction sent by the broadcast system.
Specifically, the broadcasting system executes the details of the synchronization task, and the steps are as follows:
the broadcasting terminal sends the synchronous task details to the Internet of things platform, the Internet of things platform feeds back that the synchronous task details are successfully sent, and the Internet of things platform sends a synchronous task detail message to the broadcasting system; the broadcasting system acquires and analyzes the synchronous task detail message, processes the corresponding synchronous task detail message, acquires task information according to the session, matches a broadcasting range, and if the broadcasting terminal matches the broadcasting range, constructs task details, otherwise discards the task details; then, the broadcasting system is matched with the broadcasting terminal and task detail data is constructed; and sending the task detail data to an Internet of things platform, sending the task detail data to a broadcasting terminal by the Internet of things platform, and carrying out broadcasting processing by the broadcasting terminal.
Specifically, the broadcast system sends the following broadcast procedures: the client indicates the broadcasting system to send the broadcast, the broadcasting system starts to process the service instruction, and firstly, the broadcasting system pushes the RTMP real-time stream to the streaming media platform; and constructing a dual-channel instruction, packaging the protocol instruction, and sending the dual-channel protocol instruction to the Internet of things platform, wherein the Internet of things platform sends the dual-channel protocol instruction to the broadcast terminal.
Specifically, the broadcast system synchronized broadcast data flow is as follows:
the broadcasting terminal sends synchronous broadcasting data to the Internet of things platform, the Internet of things platform feeds back that the synchronous broadcasting data are successfully sent, and the Internet of things platform sends a synchronous broadcasting data message to the broadcasting system; the broadcasting system acquires and analyzes the synchronous broadcast data message and processes the corresponding synchronous broadcast data message, if the broadcasting terminal belongs to the broadcast session range, the synchronization is carried out, otherwise, the session is discarded; then the broadcasting system matches the broadcasting terminal and constructs the broadcasting data; and sending the broadcast data to an Internet of things platform, and sending the broadcast data to a broadcast terminal by the Internet of things platform, and carrying out broadcast processing by the broadcast terminal.
Specifically, the flow of the real-time stream channel in the broadcast flow initiated by the broadcast terminal is as follows: the client instructs the broadcasting system to send the broadcast, and the broadcasting system pushes the real-time stream to the streaming media platform; the streaming media platform calls back through real-time streaming; the broadcasting system sends a broadcasting instruction to the Internet of things platform, the Internet of things platform sends the broadcasting instruction to the broadcasting terminal, and the broadcasting terminal pulls the RTMP real-time stream from the streaming media platform.
In a second aspect, another embodiment of the present invention provides a dual-channel broadcasting method, which is applied to a broadcasting system, where when the broadcasting system initiates broadcasting, the broadcasting system pushes an RTMP real-time stream to a streaming media platform, and a broadcasting terminal pulls the RTMP real-time stream from the streaming media platform; constructing two-channel instructions of a first channel and a second channel, and sending the constructed two-channel instructions to a broadcast terminal through an Internet of things platform; wherein the first channel is a real-time flow channel; the second channel is a non-real-time flow channel.
Specifically, the broadcasting system constructs a dual-channel instruction according to broadcasting task information and a terminal broadcasting protocol, wherein the dual-channel instruction simultaneously comprises real-time stream channel information and side-by-side broadcasting channel information; wherein the dual channel instruction comprises: real-time streaming address, content address/text, broadcast policy.
In a third aspect, another embodiment of the present invention provides a dual channel broadcasting method applied to a broadcasting terminal, wherein the broadcasting terminal receives a dual channel instruction constructed by a broadcasting system and selects an optimal channel to perform a broadcasting task according to the dual channel instruction.
Specifically, the default of selecting the optimal channel to execute the broadcast task according to the dual-channel instruction is to execute a side-by-side broadcast channel.
Specifically, after the broadcast terminal is restarted, the real-time stream is pulled from the streaming media platform by using the instruction of the first channel.
Specifically, when the broadcast channel is under the default edge or the broadcast terminal processes the abnormality, the broadcast terminal actively switches to the real-time channel to pull the real-time stream from the streaming media platform.
Specifically, the broadcast terminal recovers the edge-to-edge broadcast channel according to a broadcast state instruction sent by the broadcast system.
The dual-channel broadcasting system of the invention has the following advantages:
1) The device has flexible double channels, and the two channels can be mutually backed up;
2) A broadcasting channel is arranged at the bottom, so that the dependence on a network environment is reduced, the problems of unsmooth playing and content loss are solved, and the broadcasting effect is good;
3) A broadcasting channel is arranged at the edge, the broadcasting terminal does not have complex strategy processing logic, and only a simple current broadcasting strategy is added, so that the maintenance and the upgrade are convenient;
4) The channel is played at the lower side, and the local file can be repeatedly used, so that the flow consumption is greatly reduced, and the cost is saved;
5) The real-time stream channel can well support the control and synchronization of the broadcasting system to the broadcasting process;
6) The double channels use the side-play channel as a default channel and can be switched with each other.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a dual channel broadcasting system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a broadcast initiation flow provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of a data flow of a synchronized broadcast according to an embodiment of the present invention;
FIG. 4 is a detailed flow chart of the synchronization task provided by the embodiment of the present invention;
FIG. 5 is a flow chart of a real-time flow channel provided by an embodiment of the invention;
fig. 6 is a broadcast flow diagram of a broadcast terminal according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a dual channel broadcasting device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example one
Referring to fig. 1, the present embodiment discloses a dual channel broadcasting system for emergency broadcasting, including: the system comprises a broadcasting system, an Internet of things platform, a streaming media platform and one or more broadcasting terminals;
the broadcasting system is responsible for initiating a broadcasting service, and when the broadcasting system initiates broadcasting, the broadcasting system simultaneously constructs dual-channel instructions of a first channel and a second channel and sends the constructed dual-channel instructions through the Internet of things platform; wherein the first channel is a real-time flow channel; the second channel is a non-real-time flow channel;
the Internet of things platform is used for providing access of a broadcasting terminal and broadcasting application and providing a communication channel between a broadcasting system and the broadcasting terminal;
the broadcasting system pushes the RTMP real-time stream to the streaming media platform, and the broadcasting terminal pulls the RTMP real-time stream from the streaming media platform;
in this embodiment, the streaming media is pushed to the streaming media platform by using the RTMP real-time stream, but those skilled in the art know that other protocols for real-time stream pushing may also implement corresponding functions, and this embodiment is not limited further.
And a broadcast terminal (device), wherein the broadcast terminal can select an optimal channel to execute a broadcast task according to the dual-channel instruction.
Referring to fig. 1, the broadcasting system operates on a Software-as-a-Service (SaaS-a-Service) Platform, the internet of things Platform, and the streaming media Platform operates on a Platform-as-a-Service (PaaS-a-Service) Platform.
Specifically, when the broadcasting system initiates broadcasting, the broadcasting system simultaneously constructs a first channel, wherein the first channel is a real-time stream channel and a second channel, the second channel of the embodiment is a non-real-time stream channel, for example, a side-by-side broadcasting channel, the constructed broadcasting instructions of the two channels are sent through the internet of things platform, and meanwhile, on the real-time stream channel, real-time stream transmission needs to be established, real-time stream data is uploaded through the stream media platform, so that the broadcasting terminal is ensured to pull the real-time stream through the real-time stream channel.
Meanwhile, in order to reduce the complexity of the broadcasting terminal, the broadcasting system can optimize the original push instruction broadcasting in the broadcasting channel instruction at the same time, part of strategy execution in the broadcasting strategy is changed into broadcasting platform control and processing, the broadcasting terminal only needs to control and process the broadcasting strategy of the broadcasting at this time, and the non-broadcasting strategy is controlled by the broadcasting system.
Specifically, the broadcasting system constructs a dual-channel instruction as follows: the broadcasting system constructs a two-channel instruction according to the broadcasting task information and a terminal broadcasting protocol (object model), wherein the two-channel instruction simultaneously comprises real-time stream channel information and side-by-side broadcasting channel information.
Constructing real-time stream transmission: the broadcasting system is responsible for constructing real-time stream transmission, and broadcasting contents are uploaded through a stream media platform.
And (3) broadcast strategy control: the broadcasting system is responsible for strategy control and processing of a real-time stream channel and is also responsible for control and processing (such as a cyclic strategy and the like) of a non-current broadcasting strategy of a side broadcasting channel, the side broadcasting channel in a double-channel instruction only contains the current (namely, the current) broadcasting strategy, namely, the broadcasting system is responsible for controlling the starting of each broadcasting according to the broadcasting strategy, and the broadcasting terminal is only responsible for controlling the stopping of each broadcasting according to the broadcasting strategy and divides the broadcasting strategy into two parts, so that the strategy logic processing of the broadcasting terminal is simple, the control of the broadcasting system is facilitated, and the aim of killing two birds with one stone is fulfilled.
The broadcast system is mainly divided into two parts, namely an initiating broadcast process and a synchronous (broadcast terminal initiating) broadcast process.
Referring to fig. 2, the initiating broadcast flow is illustrated as follows:
the client indicates the broadcasting system to send the broadcast, the broadcasting system starts to process the service instruction, and firstly, the broadcasting system pushes the RTMP real-time stream to the streaming media platform; and constructing a dual-channel instruction, packaging the protocol instruction, and sending the dual-channel protocol instruction to the Internet of things platform, wherein the Internet of things platform sends the dual-channel protocol instruction to the broadcasting terminal.
Specifically, the broadcasting system constructs a two-channel instruction according to the broadcasting task information and the terminal broadcasting protocol (object model), wherein the two-channel instruction simultaneously comprises the real-time stream channel information and the edge broadcasting channel information. Wherein the dual channel instruction comprises: real-time streaming address, content address/text, broadcast policy.
Specifically, the broadcast system pushes the RTMP real-time stream to the streaming platform, referring to the description of the streaming platform in this embodiment.
Referring to fig. 3, the synchronized broadcast data flow is as follows:
the broadcasting terminal sends synchronous broadcasting data to the Internet of things platform, the Internet of things platform feeds back that the synchronous broadcasting data are successfully sent, and the Internet of things platform sends a synchronous broadcasting data message to the broadcasting system; the broadcasting system acquires and analyzes the synchronous broadcast data message and processes the corresponding synchronous broadcast data message, wherein the corresponding processing mode belongs to common processing modes in the field, for example, if the broadcasting terminal belongs to the broadcast session range, the synchronization is carried out, otherwise, the session is discarded. Then the broadcasting system matches the broadcasting terminal and constructs the broadcasting data; and sending the broadcast data to an Internet of things platform, sending the broadcast data to a broadcast terminal by the Internet of things platform, and carrying out broadcast processing by the broadcast terminal.
Referring to fig. 4, the synchronization task detail flow is as follows:
the broadcasting terminal sends the synchronous task details to the Internet of things platform, the Internet of things platform feeds back that the synchronous task details are successfully sent, and the Internet of things platform sends a synchronous task detail message to the broadcasting system; the broadcasting system obtains and analyzes the synchronous task detail message and processes the corresponding synchronous task detail message, the corresponding processing mode belongs to common processing modes in the field, for example, the task information is obtained according to the session and matched with the broadcasting range, the broadcasting terminal is matched with the broadcasting range, the task detail is constructed, otherwise, the task detail is discarded. Then, the broadcasting system is matched with the broadcasting terminal and task detail data is constructed; and sending the task detail data to an Internet of things platform, sending the task detail data to a broadcasting terminal by the Internet of things platform, and carrying out broadcasting processing by the broadcasting terminal.
The platform of the Internet of things mainly provides access of broadcast terminal products and broadcast applications and communication channels of a broadcast system and a broadcast terminal.
The internet of things platform mainly has the following providing capabilities:
(1) Providing management of device lifecycle
(1) Device creation and deletion (i.e., device installation, etc.) is enabled;
(2) the equipment state can be monitored and reported;
(2) Providing capability to issue IOT instructions
(1) Device attributes can be read and set;
(2) device events can be reported;
(3) device services can be invoked;
the streaming media platform mainly provides real-time streaming capability, the broadcasting system pushes RTMP real-time streams to the streaming media platform, and the terminal equipment pulls the RTMP real-time streams from the streaming media platform; the streaming media platform comprises:
(1) After the broadcast is sent, the broadcast system sends RTMP real-time stream to be pushed to the streaming media platform, the streaming media platform carries out callback, and the broadcast system carries out the next processing.
(2) The broadcasting system calls back according to the streaming media platform, and after a broadcasting instruction is sent, RTMP real-time stream is pulled from the streaming media platform by the broadcasting terminal equipment;
referring to fig. 5, it is a schematic flow chart of the real-time flow channel of the present embodiment:
the client instructs the broadcasting system to send the broadcast, and the broadcasting system pushes the real-time stream to the streaming media platform; the streaming media platform calls back through real-time streaming; the broadcasting system sends a broadcasting instruction (the broadcasting instruction is a dual-channel instruction) to the Internet of things platform, the Internet of things platform sends the broadcasting instruction to the broadcasting terminal, and the broadcasting terminal pulls the RTMP real-time stream from the streaming media platform.
The broadcasting terminal plays a decisive role in a dual-channel scheme, can select channels according to the actual conditions of the broadcasting terminal, selects the current optimal channel to execute the broadcasting task, and is compatible with single-channel broadcasting processing under the condition that the broadcasting terminal does not support dual channels;
(1) The method can select an optimal channel to execute the broadcast task according to the two-channel instruction, and under the default condition, the broadcast terminal takes the edge broadcast channel as the main and takes the real-time channel as the auxiliary, and simultaneously performs necessary selection according to the actual condition of the broadcast terminal;
(2) The broadcasting data can be actively synchronized after the broadcasting terminal is restarted in a power failure mode and abnormally restarted, and the broadcasting data are actively switched to a real-time flow channel, so that the real-time progress and the synchronism of a broadcasting task are guaranteed;
(3) After recovery and receiving a broadcast information updating (progress) instruction, the system can be actively switched to a side-by-side broadcast channel to ensure fluency;
(4) When the broadcasting channel is under the default side or abnormal processing is processed, the real-time channel can be actively switched to, and the normal execution of the broadcasting task is ensured;
(5) The broadcast terminal can update the broadcast state instruction (progress) according to the running condition and the broadcast system, and carries out the processing of recovering the default channel (the broadcasting channel at the same time);
(6) The broadcasting terminal hardware does not support double channels, a single channel (real-time flow channel) can be directly used for executing a broadcasting task, and the broadcasting terminal is compatible with a double-channel broadcasting instruction and a single-channel broadcasting instruction;
referring to fig. 6, fig. 6 is a broadcasting flow of the broadcasting terminal provided in the present embodiment:
the method comprises the steps that a broadcasting system initiates a dual-channel broadcasting instruction to an Internet of things platform, the Internet of things platform sends the dual-channel broadcasting instruction to a broadcasting terminal, the broadcasting terminal receives and analyzes the dual-channel instruction, the broadcasting terminal defaults to execute the live broadcasting instruction while playing, after the broadcasting terminal is restarted, a real-time stream is pulled from a streaming media platform, and the processing of recovering a default channel (while playing the channel) is carried out according to the broadcasting system updating broadcasting state instruction (progress); switching to a real-time flow channel when the abnormal condition occurs; and updating the broadcast state instruction (progress) according to the broadcast system, and recovering the default channel (the simulcast channel).
The dual-channel broadcasting system of the embodiment has the following advantages:
1) The device has flexible double channels, and the two channels can be mutually backed up;
2) A channel is played at the same time, so that the dependence on a network environment is reduced, the problems of playing blockage and content loss are solved, and the broadcasting effect is good;
3) A broadcasting channel is arranged at the edge, the broadcasting terminal does not have complex strategy processing logic, and only a simple current broadcasting strategy is added, so that the maintenance and the upgrade are convenient;
4) A channel is played at the bottom of the channel, and the local file can be repeatedly used, so that the flow consumption is greatly reduced, and the cost is saved;
5) The real-time stream channel can well support the control and synchronization of the broadcasting system to the broadcasting process;
6) The double channels use the side-play channel as a default channel and can be switched with each other.
Example two
The embodiment provides a dual-channel broadcasting method, which is applied to a broadcasting system, wherein when the broadcasting system initiates broadcasting, the broadcasting system pushes an RTMP real-time stream to a streaming media platform, and a broadcasting terminal pulls the RTMP real-time stream from the streaming media platform; constructing two-channel instructions of a first channel and a second channel, and sending the constructed two-channel instructions to a broadcast terminal through an Internet of things platform; wherein the first channel is a real-time flow channel; the second channel is a non-real-time flow channel.
Specifically, the broadcasting system constructs a dual-channel instruction according to broadcasting task information and a terminal broadcasting protocol, wherein the dual-channel instruction simultaneously comprises real-time stream channel information and side-by-side broadcasting channel information; wherein the dual channel instruction comprises: real-time streaming addresses, audio content addresses/text content, broadcast policies.
Specifically, the broadcasting system executes the details of the synchronization task, and the steps are as follows:
the broadcasting terminal sends the synchronous task details to the Internet of things platform, the Internet of things platform feeds back that the synchronous task details are successfully sent, and the Internet of things platform sends a synchronous task detail message to the broadcasting system; the broadcasting system acquires and analyzes the synchronous task detail message, processes the corresponding synchronous task detail message, acquires task information according to the session, matches a broadcasting range, and if the broadcasting terminal matches the broadcasting range, constructs task details, otherwise discards the task details; then, the broadcasting system is matched with the broadcasting terminal and task detail data is constructed; and sending the task detail data to an Internet of things platform, sending the task detail data to a broadcasting terminal by the Internet of things platform, and carrying out broadcasting processing by the broadcasting terminal.
Specifically, the broadcast system sends the broadcast flow as follows: the client indicates the broadcasting system to send the broadcast, the broadcasting system starts to process the service instruction, and firstly, the broadcasting system pushes the RTMP real-time stream to the streaming media platform; and constructing a dual-channel instruction, packaging the protocol instruction, and sending the dual-channel protocol instruction to the Internet of things platform, wherein the Internet of things platform sends the dual-channel protocol instruction to the broadcasting terminal.
Specifically, the broadcast system synchronized broadcast data flow is as follows:
the broadcasting terminal sends synchronous broadcasting data to the Internet of things platform, the Internet of things platform feeds back that the synchronous broadcasting data are successfully sent, and the Internet of things platform sends a synchronous broadcasting data message to the broadcasting system; the broadcasting system acquires and analyzes the synchronous broadcast data message and processes the corresponding synchronous broadcast data message, if the broadcasting terminal belongs to the broadcast session range, the synchronization is carried out, otherwise, the session is discarded; then the broadcasting system matches the broadcasting terminal and constructs the broadcasting data; and sending the broadcast data to an Internet of things platform, sending the broadcast data to a broadcast terminal by the Internet of things platform, and carrying out broadcast processing by the broadcast terminal.
Specifically, the flow of the real-time stream channel in the broadcast flow initiated by the broadcast terminal is as follows: the client instructs the broadcasting system to send the broadcast, and the broadcasting system pushes the real-time stream to the streaming media platform; the streaming media platform calls back through real-time streaming; the broadcasting system sends a broadcasting instruction to the Internet of things platform, the Internet of things platform sends the broadcasting instruction to the broadcasting terminal, and the broadcasting terminal pulls the RTMP real-time stream from the streaming media platform.
The dual-channel broadcasting method of the embodiment has the following advantages:
1) The device has flexible double channels, and the two channels can be mutually backed up;
2) The channel is played at the same time, so that the dependence on the network environment is reduced, the problems of playing card pause and content loss are solved, and the broadcasting effect is good;
3) A broadcasting channel is arranged at the edge, the broadcasting terminal does not have complex strategy processing logic, and only a simple current broadcasting strategy is added, so that the maintenance and the upgrade are convenient;
4) The channel is played at the lower side, and the local file can be repeatedly used, so that the flow consumption is greatly reduced, and the cost is saved;
5) The real-time stream channel can well support the control and synchronization of the broadcasting system to the broadcasting process;
6) The double channels use the side-play channel as a default channel and can be switched with each other.
EXAMPLE III
The embodiment provides a dual-channel broadcasting method which is applied to a broadcasting terminal, wherein the broadcasting terminal receives a dual-channel instruction constructed by a broadcasting system and selects an optimal channel to execute a broadcasting task according to the dual-channel instruction.
Specifically, the default of selecting the optimal channel to execute the broadcast task according to the dual-channel instruction is to execute a broadcast channel while downloading.
Specifically, after the broadcast terminal is restarted, the real-time stream is pulled from the streaming media platform by using the instruction of the first channel.
Specifically, when the broadcast channel is under the default edge or the broadcast terminal processes the abnormality, the broadcast terminal actively switches to the real-time channel to pull the real-time stream from the streaming media platform.
Specifically, the broadcast terminal recovers the edge-to-edge broadcast channel according to a broadcast status instruction sent by the broadcast system.
The dual-channel broadcasting method of the embodiment has the following advantages:
1) The device has flexible double channels, and the two channels can be mutually backed up;
2) A broadcasting channel is arranged at the bottom, so that the dependence on a network environment is reduced, the problems of unsmooth playing and content loss are solved, and the broadcasting effect is good;
3) A broadcasting channel is arranged at the edge, the broadcasting terminal does not have complex strategy processing logic, and only a simple current broadcasting strategy is added, so that the maintenance and the upgrade are convenient;
4) A channel is played at the bottom of the channel, and the local file can be repeatedly used, so that the flow consumption is greatly reduced, and the cost is saved;
5) The real-time stream channel can well support the control and synchronization of the broadcasting system to the broadcasting process;
6) The double channels use the side-play channel as a default channel and can be switched with each other.
Example four
Referring to fig. 7, fig. 7 is a schematic structural diagram of a dual channel broadcasting device of the present embodiment. The dual channel broadcasting device 20 of this embodiment includes a processor 21, a memory 22, and a computer program stored in the memory 22 and executable on the processor 21. The processor 21 realizes the steps in the above-described method embodiments when executing the computer program. Alternatively, the processor 21 implements the functions of the modules/units in the above-described device embodiments when executing the computer program.
Illustratively, the computer program may be divided into one or more modules/units, which are stored in the memory 22 and executed by the processor 21 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the dual channel broadcasting device 20. For example, the computer program may be divided into the modules in the second embodiment, and for the specific functions of the modules, reference is made to the working process of the apparatus in the foregoing embodiment, which is not described herein again.
The dual channel broadcasting device 20 may include, but is not limited to, a processor 21, a memory 22. It will be understood by those skilled in the art that the schematic diagram is merely an example of the two-channel broadcasting device 20, and does not constitute a limitation of the two-channel broadcasting device 20, and may include more or fewer components than shown, or some components may be combined, or different components, for example, the two-channel broadcasting device 20 may further include an input-output device, a network access device, a bus, etc.
The Processor 21 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, and the processor 21 is the control center of the dual channel broadcasting device 20, and various interfaces and lines are used to connect the various parts of the entire dual channel broadcasting device 20.
The memory 22 may be used for storing the computer programs and/or modules, and the processor 21 implements various functions of the dual channel broadcasting apparatus 20 by executing or executing the computer programs and/or modules stored in the memory 22 and calling data stored in the memory 22. The memory 22 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory 22 may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the integrated module/unit of the dual channel broadcasting device 20 can be stored in a computer readable storage medium if it is implemented in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer readable storage medium, and when the computer program is executed by the processor 21, the steps of the method embodiments described above may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement without inventive effort.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A dual channel broadcast system for emergency broadcasting, comprising: the system comprises a broadcasting system, an Internet of things platform, a streaming media platform and one or more broadcasting terminals; the method is characterized in that:
the broadcasting system is responsible for initiating a broadcasting service, and when the broadcasting system initiates broadcasting, the broadcasting system simultaneously constructs two-channel instructions of a first channel and a second channel and sends the constructed two-channel instructions to the broadcasting terminal through the Internet of things platform; wherein the first channel is a real-time flow channel; the second channel is a non-real-time flow channel;
the Internet of things platform is used for accessing a broadcast terminal and broadcast application and providing a communication channel between a broadcast system and the broadcast terminal;
the streaming media platform is used for providing real-time streaming capability, the broadcasting system pushes the real-time stream to the streaming media platform, and the broadcasting terminal pulls the real-time stream from the streaming media platform;
and the broadcasting terminal selects the optimal channel to execute the broadcasting task according to the dual-channel instruction.
2. The dual channel broadcasting system for emergency broadcasting of claim 1, wherein: the second channel is a side-by-side broadcasting channel.
3. The dual channel broadcasting system for emergency broadcasting of claim 2, wherein: the broadcasting system constructs a dual-channel instruction according to broadcasting task information and a terminal broadcasting protocol, wherein the dual-channel instruction simultaneously comprises real-time stream channel information and side-by-side broadcasting channel information; wherein the dual channel instruction comprises: real-time streaming addresses, audio content addresses/text content, broadcast policies.
4. A dual channel broadcasting system for emergency broadcasting according to claim 3, wherein: the broadcast policy includes a round robin policy for side-to-side broadcast channels: and the non-current circulation strategy of the broadcasting channel under the edge is controlled by the broadcasting system.
5. The dual channel broadcasting system for emergency broadcasting according to claim 2, wherein: and the broadcasting terminal receives and analyzes the double-channel instruction, and the broadcasting terminal executes the side-by-side broadcasting instruction by default.
6. The dual channel broadcasting system for emergency broadcasting according to claim 2, wherein: and after the broadcast terminal is restarted, the real-time stream is pulled from the streaming media platform by using the instruction of the first channel.
7. The dual channel broadcasting system for emergency broadcasting of claim 5, wherein: and when the broadcasting channel is under the default edge or the processing is abnormal, the broadcasting terminal actively switches to the real-time channel to pull the real-time stream from the streaming media platform.
8. The dual channel broadcasting system for emergency broadcasting according to claim 6 or 7, wherein: and the broadcasting terminal recovers the side-by-side broadcasting channel according to the broadcasting state instruction sent by the broadcasting system.
9. The dual channel broadcasting system for emergency broadcasting of claim 2, wherein: the broadcasting system executes the details of the synchronization task, and the steps are as follows:
the broadcasting terminal sends the synchronous task details to the Internet of things platform, the Internet of things platform feeds back that the synchronous task details are successfully sent, and the Internet of things platform sends a synchronous task detail message to the broadcasting system; the broadcasting system acquires and analyzes the synchronous task detail message, processes the corresponding synchronous task detail message, acquires task information according to the session, matches a broadcasting range, and if the broadcasting terminal matches the broadcasting range, constructs task details, otherwise discards the task details; then, the broadcasting system is matched with the broadcasting terminal and task detail data is constructed; and sending the task detail data to an Internet of things platform, sending the task detail data to a broadcasting terminal by the Internet of things platform, and carrying out broadcasting processing by the broadcasting terminal.
10. A dual channel broadcasting system for emergency broadcasting according to claim 3, wherein: the broadcast system sends the following broadcast flows: the client indicates the broadcasting system to send the broadcast, the broadcasting system starts to process the service instruction, and firstly, the broadcasting system pushes the RTMP real-time stream to the streaming media platform; and constructing a dual-channel instruction, packaging the protocol instruction, and sending the dual-channel protocol instruction to the Internet of things platform, wherein the Internet of things platform sends the dual-channel protocol instruction to the broadcasting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211283989.2A CN115361367B (en) | 2022-10-20 | 2022-10-20 | Dual-channel broadcasting system for emergency broadcasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211283989.2A CN115361367B (en) | 2022-10-20 | 2022-10-20 | Dual-channel broadcasting system for emergency broadcasting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115361367A true CN115361367A (en) | 2022-11-18 |
| CN115361367B CN115361367B (en) | 2023-02-07 |
Family
ID=84007985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211283989.2A Active CN115361367B (en) | 2022-10-20 | 2022-10-20 | Dual-channel broadcasting system for emergency broadcasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115361367B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566526A (en) * | 2023-05-12 | 2023-08-08 | 北京悦视科技有限公司 | Media terminal adaptation method and system supporting emergency broadcasting |
| CN117061490A (en) * | 2023-10-11 | 2023-11-14 | 广东保伦电子股份有限公司 | Dual-channel broadcasting method for emergency broadcasting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675865A (en) * | 2002-08-16 | 2005-09-28 | 摩托罗拉公司 | Method and apparatus for reliably communicating information packets in a wireless communication network |
| US20090183215A1 (en) * | 2008-01-16 | 2009-07-16 | Qualcomm Incorporated | Hybrid services: data, audio, and clipcast |
| US20090247220A1 (en) * | 2008-03-31 | 2009-10-01 | Beom Seok Cho | Terminal and method of controlling broadcasting therein |
| US20110099584A1 (en) * | 2002-09-23 | 2011-04-28 | Rodriguez Alex O | Broadcast network platform system |
| US20130311669A1 (en) * | 2012-05-21 | 2013-11-21 | Sony Corporation | Devices and methods for dynamic broadcast |
| CN106454487A (en) * | 2016-11-30 | 2017-02-22 | 广州华多网络科技有限公司 | Dual channel merging method, device and system |
| CN109450840A (en) * | 2018-08-31 | 2019-03-08 | 福建星网视易信息系统有限公司 | A kind of scene mode switching method and storage equipment |
| WO2021101934A1 (en) * | 2019-11-18 | 2021-05-27 | Sinclair Broadcast Group, Inc. | Adaptive broadcast media and data services |
-
2022
- 2022-10-20 CN CN202211283989.2A patent/CN115361367B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675865A (en) * | 2002-08-16 | 2005-09-28 | 摩托罗拉公司 | Method and apparatus for reliably communicating information packets in a wireless communication network |
| US20110099584A1 (en) * | 2002-09-23 | 2011-04-28 | Rodriguez Alex O | Broadcast network platform system |
| US20090183215A1 (en) * | 2008-01-16 | 2009-07-16 | Qualcomm Incorporated | Hybrid services: data, audio, and clipcast |
| US20090247220A1 (en) * | 2008-03-31 | 2009-10-01 | Beom Seok Cho | Terminal and method of controlling broadcasting therein |
| US20130311669A1 (en) * | 2012-05-21 | 2013-11-21 | Sony Corporation | Devices and methods for dynamic broadcast |
| CN106454487A (en) * | 2016-11-30 | 2017-02-22 | 广州华多网络科技有限公司 | Dual channel merging method, device and system |
| CN109450840A (en) * | 2018-08-31 | 2019-03-08 | 福建星网视易信息系统有限公司 | A kind of scene mode switching method and storage equipment |
| WO2021101934A1 (en) * | 2019-11-18 | 2021-05-27 | Sinclair Broadcast Group, Inc. | Adaptive broadcast media and data services |
Non-Patent Citations (3)
| Title |
|---|
| 张安坤等: "基于FPGA的控制系统高效通信架构的设计与实现", 《浙江大学学报(工学版)》 * |
| 朱景晖等: "RadioDNS的无差异多通道接入技术浅析", 《广播与电视技术》 * |
| 袁卫忠等: "一款安全型应急广播播控终端的设计与实现", 《广播电视信息》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566526A (en) * | 2023-05-12 | 2023-08-08 | 北京悦视科技有限公司 | Media terminal adaptation method and system supporting emergency broadcasting |
| CN117061490A (en) * | 2023-10-11 | 2023-11-14 | 广东保伦电子股份有限公司 | Dual-channel broadcasting method for emergency broadcasting |
| CN117061490B (en) * | 2023-10-11 | 2024-02-09 | 广东保伦电子股份有限公司 | Dual-channel broadcasting method for emergency broadcasting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115361367B (en) | 2023-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115361367B (en) | Dual-channel broadcasting system for emergency broadcasting | |
| CN108495141B (en) | Audio and video synthesis method and system | |
| CN103324457B (en) | Terminal and multi-task data display method | |
| CN106851799B (en) | Method and device for sending heartbeat packet in long connection | |
| CN108932948B (en) | Audio data processing method and device, computer equipment and computer readable storage medium | |
| CN110943977B (en) | Multimedia service data transmission method, server, equipment and storage medium | |
| CN104202675A (en) | Intelligent terminal and quick channel switching method and device thereof | |
| CN111265853B (en) | Game platform switching method, game platform switching device, server and storage medium | |
| EP4243407A1 (en) | Audio/video forwarding method and apparatus, terminals, and system | |
| CN100556121C (en) | Broad cast TV playing and control method and system | |
| CN112243019B (en) | Method and system for establishing flexible Ethernet management channel | |
| CN110958434A (en) | Multi-image splicing method and system and computer readable storage medium | |
| AU2013279963B2 (en) | Multimedia message forwarding method and device | |
| CN113783768B (en) | Group control method, group control device and communication system | |
| CN104615678A (en) | Real-time cooperative bitmap graph editing system | |
| CN110971937B (en) | Regulation and control method, storage medium, electronic device and system for screenshot service | |
| CN116490923A (en) | Parameter setting method, device, equipment and storage medium | |
| CN113992660A (en) | File transmission method and device, electronic equipment and storage medium | |
| CN112543373B (en) | Transcoding control method and device and electronic equipment | |
| US9706232B2 (en) | Method and device for sending media data | |
| CN117608692A (en) | Information synchronization method, device, terminal equipment and storage medium | |
| CN111726545B (en) | Material file processing method and device, computer equipment and storage medium | |
| CN101771838A (en) | DTV system and multimedia channel implementation method thereof | |
| CN117369994A (en) | Application running method, device, computer equipment and computer readable storage medium | |
| JP4834581B2 (en) | Broadcast system server and broadcast system program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |