CN111865878A - Call method, monitoring device, cloud platform and monitoring system - Google Patents
Call method, monitoring device, cloud platform and monitoring system Download PDFInfo
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- CN111865878A CN111865878A CN201910356901.7A CN201910356901A CN111865878A CN 111865878 A CN111865878 A CN 111865878A CN 201910356901 A CN201910356901 A CN 201910356901A CN 111865878 A CN111865878 A CN 111865878A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Alarm Systems (AREA)
Abstract
The invention relates to a call method, a monitoring device, a cloud platform and a monitoring system, wherein the call method of the monitoring device comprises the following steps: generating an alarm signal and sending the alarm signal to a cloud platform; after an outbound command sent by a cloud platform is received, acquiring call information, establishing call connection according to the call information, and carrying out call; after receiving a call instruction sent by the cloud platform, establishing a call connection with the cloud platform to carry out a call. The communication method of the cloud platform side comprises the following steps: receiving an alarm signal sent by a monitoring device; and obtaining an outbound command/calling command according to the alarm signal, and sending the outbound command/calling command to the monitoring device. According to the technical scheme, the communication can be carried out between the monitoring device and the cloud platform, the application range of the monitoring device is expanded, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of intelligent monitoring, in particular to a call method, a monitoring device, a cloud platform and a monitoring system.
Background
In 5 months 2008, an international Open network video product standard network Interface development Forum is declared to be established by Anchens (AXIS) in combination with BoSCH (BoSCH) and Sony (SONY) companies together, and is named as ONVIF (Open network video Interface Forum), and Open industry standards are established together according to the Open and Open principle. The ONVIF standard will define a common protocol for information exchange between network video devices, including device search, real-time video, audio, metadata, and control information, among others.
Rtsp (real Time Streaming protocol), RFC2326, real-Time Streaming protocol, is an application layer protocol in the TCP/IP protocol system, and is an IETF RFC standard submitted by university of columbia, internet scenery, and RealNetworks corporation. The protocol defines how one-to-many applications efficiently communicate multimedia data over an IP network. RTSP is located above RTP (Real-time Transport Protocol) and RTCP (Real-time Control Protocol) in the architecture, and it uses TCP (Transmission Control Protocol) or udp (user datagram Protocol) to complete data Transmission.
At present, most IP cameras in the market transmit video streams according to ONVIF/RTSP protocol or GB28181 protocol, telephone call functions are not available in the cameras, and user experience is poor.
Disclosure of Invention
Therefore, the present invention provides a communication method applied in a monitoring device to overcome the defects of the prior art that a camera does not have a telephone call function and the user experience is poor.
The invention provides a call method applied to a monitoring device, which comprises the following steps:
generating an alarm signal and sending the alarm signal to a cloud platform;
after an outbound command sent by the cloud platform is received, acquiring call information, establishing call connection according to the call information, and carrying out call;
and after receiving the call instruction sent by the cloud platform, establishing a call connection with the cloud platform to carry out a call.
Optionally, in the call method applied to the monitoring device in the present invention, after receiving the outbound command/call command sent by the cloud platform, the method further includes:
judging whether the operation of starting video stream pushing is needed;
and when the video stream needs to be started, pushing the video stream to the cloud platform.
Optionally, in the call method applied to the monitoring device in the present invention, after the call is ended, the method further includes:
judging whether the operation of pushing the video stream needs to be finished or not;
and when the video stream needs to be finished, closing the operation of pushing the video stream.
Optionally, in the call method applied to the monitoring device, whether to start/end the operation of pushing the video stream is determined by polling the timeout timestamp.
Optionally, in a call method applied to a monitoring device in the present invention, the acquiring call information includes:
and acquiring the call information of the cloud platform through message queue telemetry transmission MQTT.
Optionally, in a call method applied to the monitoring device, the call information includes a plurality of call information arranged in a preset order;
the dialing according to the call information comprises the following steps:
and establishing communication connection in sequence according to the preset sequence of the plurality of call information.
Optionally, in a call method applied to a monitoring device, the generating an alarm signal includes:
processing the acquired video information to obtain action characteristics and/or behavior characteristics of the person;
when the action characteristics and/or the behavior characteristics accord with preset trigger defense standards, generating an alarm signal;
and/or acquiring a human body infrared characteristic signal, and generating an alarm signal when the human body infrared characteristic signal enters a preset sensitive position.
The invention provides a communication method applied to a cloud platform, aiming at overcoming the defects that a camera in the prior art has no telephone calling function and is poor in user experience.
The invention provides a communication method applied to a cloud platform, which comprises the following steps:
receiving an alarm signal sent by a monitoring device;
and obtaining an outbound command/calling command according to the alarm signal, and sending the outbound command/calling command to the monitoring device.
Optionally, in the call method applied to the cloud platform provided by the present invention, after sending the outbound command/call command to the monitoring device, the call method further includes: and receiving the video stream pushed by the monitoring device.
The invention also provides a monitoring device for overcoming the defects that the camera in the prior art has no telephone calling function and has poor user experience.
The monitoring device provided by the invention comprises an alarm signal generating module and a communication module;
the alarm signal generating module is used for generating an alarm signal and sending the alarm signal to the cloud platform;
the communication module is used for acquiring call information after receiving an outbound command sent by the cloud platform, establishing communication connection according to the call information and carrying out communication; or after receiving the call instruction sent by the cloud platform, establishing a call connection with the cloud platform to carry out a call.
Optionally, in the monitoring apparatus provided by the present invention, the monitoring apparatus further includes a streaming media pushing module, where the streaming media pushing module is configured to:
after receiving an outbound command/calling command sent by the cloud platform, judging whether the operation of video stream pushing needs to be started or not;
and when the video stream needs to be started, pushing the video stream to the cloud platform.
Optionally, in the monitoring apparatus provided by the present invention, the streaming media pushing module is further configured to:
after the call is finished, judging whether the operation of pushing the video stream needs to be finished or not;
and when the video stream needs to be finished, closing the operation of pushing the video stream.
Optionally, in the monitoring device provided by the present invention, the streaming media pushing module is specifically configured to:
and judging whether the video stream pushing operation needs to be started/ended or not by polling the timeout timestamp.
Optionally, in the monitoring device provided by the present invention, the call module is specifically configured to:
and acquiring the call information of the cloud platform through message queue telemetry transmission MQTT.
Optionally, in the monitoring device provided by the present invention, the call information includes a plurality of call information arranged in sequence, and the call module is specifically configured to:
And establishing communication connection in sequence according to the preset sequence of the plurality of call information.
Optionally, in the monitoring apparatus provided by the present invention, the alarm signal generating module 10 includes a video defense submodule and/or an infrared detection submodule: the video deploying sub-module is used for generating an alarm signal when the action characteristics and/or the behavior characteristics of the person in the acquired video information meet a preset trigger deploying standard; and the infrared detection submodule is used for generating an alarm signal when the acquired human body infrared characteristic signal enters a preset sensitive position.
The invention also provides a cloud platform in order to overcome the defects that a camera in the prior art has no telephone calling function and is poor in user experience.
The cloud platform provided by the invention comprises an alarm monitoring device and a call service device;
the alarm monitoring device is used for receiving an alarm signal sent by the monitoring device;
and the call service device is used for obtaining an outbound command/call command according to the alarm signal and sending the outbound command/call command to the monitoring device.
Optionally, the cloud platform provided in the present invention further includes a streaming media service device, where the streaming media service device is configured to: and after the outbound command/calling command is sent to the monitoring device, receiving a video stream pushed by the monitoring device.
The invention also provides a monitoring system for overcoming the defects that a camera in the prior art has no telephone calling function and has poor user experience. The monitoring system provided by the invention comprises the monitoring device and the cloud platform.
The technical scheme of the invention has the following advantages:
1. according to the communication method, the monitoring device, the cloud platform and the monitoring system, the alarm signal is sent to the cloud platform, the calling information is obtained after the outbound command sent by the cloud platform is received, and dialing is carried out according to the calling information, so that field personnel at one end of the monitoring device can call monitoring personnel at one end of the cloud platform or safety personnel at other positions, and the monitoring personnel or safety personnel can conveniently and quickly deal with the accident/fault/damage; after receiving a call instruction sent by the cloud platform, the monitoring device establishes a call connection with the cloud platform to carry out a call, so that monitoring personnel at one end of the cloud platform can carry out voice call with field personnel at one end of the monitoring device, and possible sent accidents/faults/hazards can be prevented in time. Therefore, the communication method provided by the invention can be used for communication between the monitoring device (such as a camera) and the cloud platform, the application range of the monitoring device is expanded, and the user experience is improved.
2. According to the call method, the monitoring device, the cloud platform and the monitoring system, the pushing operation of the video stream can be started according to needs, the video stream at one end of the monitoring device is pushed to the cloud platform, monitoring personnel at one end of the cloud platform and/or safety personnel at other positions can conveniently process accidents/faults/hazards according to the video, meanwhile, the transmission of the video stream is started only when needed, and the transmission is stopped when not needed, so that the use cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a specific example of a call method in embodiment 1 of the present invention;
fig. 2 is a schematic view of a SIP voice call flow between a camera and a cloud platform in embodiment 1 of the present invention;
fig. 3 is a flowchart of a specific example of a call method according to embodiment 2 of the present invention;
Fig. 4 is a schematic block diagram of a specific example of the monitoring apparatus in embodiment 3 of the present invention;
fig. 5 is a schematic block diagram of a specific example of a cloud-side platform according to embodiment 4 of the present invention;
fig. 6 is a schematic block diagram of a specific example of the monitoring system in embodiment 5 of the present invention;
fig. 7 is a schematic view of a service flow of a call between an RTSP stream push and an SIP terminal when a camera receives an outbound command in embodiment 5 of the present invention;
fig. 8 is a schematic view of a flow of a service of receiving an RTSP stream push and an SIP terminal call in an embodiment 5 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
An embodiment 1 of the present invention provides a call method, which is applied to a monitoring device, and as shown in fig. 1, includes the following steps:
s1: and generating an alarm signal and sending the alarm signal to a cloud platform.
In this embodiment, the monitoring device may specifically employ a camera.
As a specific implementation manner, the following technical solutions may be adopted for generating the alarm signal: processing the acquired video information to obtain action characteristics and/or behavior characteristics of the person; when the action characteristic and/or the behavior characteristic meet a preset trigger defense standard, generating an alarm signal; and/or acquiring a human body infrared characteristic signal, and generating an alarm signal when the human body infrared characteristic signal enters a preset sensitive position. That is, the video defense of the monitoring device processes images and comprehensively analyzes the captured video stream to find public safety hazards in time and generate an alarm signal; or an infrared sensor is arranged in the monitoring device, and the infrared sensor captures human body infrared characteristic signals to find personnel entering a sensitive position and generate an alarm signal.
S2: after an outbound command sent by the cloud platform is received, acquiring call information, establishing call connection according to the call information, and carrying out call; and after receiving the call instruction sent by the cloud platform, establishing a call connection with the cloud platform to carry out a call.
As a specific implementation, the following technical solution may be adopted to obtain the call information: and acquiring the call information of the cloud platform through message queue Telemetry transmission MQTT (message Queuing telemetering transport). Preferably, the call information includes a plurality of call information arranged according to a preset sequence, and the camera dials in sequence according to the preset sequence of the plurality of call information to establish a call connection. Specifically, the call information may be a telephone number.
That is to say, the camera acquires the call information group through MQTT, the camera registers to a cloud platform (cloud platform) with a self-set unique id, then subscribes to topic, and the received call information group information adopts json format. For example:
{
"sip": 1",// 0 is a pure push video stream,
the/1 is active sip call + plug flow, and the Sipcontract is not empty at this time;
if/2 is sip called, sip starts to respond and push flow after receiving time stamp
"dateTime":1555320490878,// push stream timestamp (also pull caller app video stream timestamp)
"Sipcontract”:{
"sip1":"190921",
"sip2":"190922",
"sip3":"190923",
"sip4":"190924",
"sip5":"190925",
"sip6":"190926",
"sip7":"13901182812",
"sip8":"01092818828",
"sip9":"086261872878"
}// sip outbound number set
}
Sipcontract is a number group, and is sequentially dialed outwards, hung up in 15-30 seconds and continuously used for the next time.
Specifically, the camera establishes a voice call with the cloud platform according to an sip (session Initiation Protocol), an RTP (Real-time Transport Protocol)/RTCP (Real-time Transport Control Protocol), and the communication flow is as shown in fig. 2. As shown in fig. 2, a user initiates a call with the device, and the terminal initiates an Invite request to the cloud platform; and after the cloud platform confirms that the user authentication passes through the authentication/charging center, checking whether the Via header field in the request message contains the address of the user authentication. If yes, showing that loop-back occurs, and returning a response indicating error; if no problem exists, the cloud platform inserts the self address into the Via header field of the request message, and transmits the Invite request To the called SIP telephone indicated by the To field of the Invite message. The cloud platform sends response information in the call processing to the device: 100 Trying. The SIP telephone sends response information in the call processing to the cloud platform: 100 Trying. The SIP telephone indicates the called user to ring, and the user rings and sends 180 Ringing information to the cloud platform. And the cloud platform forwards the ringing information of the called user to the device. When the called user is off-hook, the SIP telephone returns an answer (200 OK) indicating that the connection is successful to the cloud platform, and the cloud platform forwards the success indication (200 OK) to the device. After receiving the information, the device sends ACK information to the cloud platform for confirmation. And the cloud platform forwards the ACK confirmation message to the SIP telephone. And establishing communication connection between the calling and called users to start conversation.
Among them, the SIP (Session Initiation Protocol) is a multimedia communication Protocol established by IETF (internet engineering Task Force). It is a text-based application-layer control protocol for creating, modifying and releasing sessions of one or more participants. The method can support and be applied to multimedia services such as voice, video, data and the like.
According to the communication method provided by the invention, the alarm signal is sent to the cloud platform, the calling information is obtained after the outbound command sent by the cloud platform is received, and dialing is carried out according to the calling information, so that field personnel at one end of the monitoring device can call monitoring personnel at one end of the cloud platform or safety personnel at other positions, and the monitoring personnel or the safety personnel can conveniently and quickly deal with the accident/fault/hazard; after receiving a call instruction sent by the cloud platform, the monitoring device establishes a call connection with the cloud platform to carry out a call, so that monitoring personnel at one end of the cloud platform can carry out voice call with field personnel at one end of the monitoring device, and possible sent accidents/faults/hazards can be prevented in time. Therefore, the communication method provided by the invention can be used for communication between the monitoring device (camera) and the cloud platform, the application range of the monitoring device is expanded, and the user experience is improved.
Preferably, after receiving the outbound command/call command sent by the cloud platform, the method further includes: judging whether the operation of starting video stream pushing is needed; and when the video streaming needs to be started, pushing the video streaming to the cloud platform.
Further, after the call is ended, the method further comprises: judging whether the operation of pushing the video stream needs to be finished or not; and when the need is over, closing the operation of pushing the video stream.
In a specific embodiment, whether the operation of pushing the video stream needs to be started/ended is judged by polling the timeout timestamp.
Therefore, the communication method provided by the invention can start the pushing operation of the video stream as required, and push the video stream at one end of the monitoring device to the cloud platform, so that monitoring personnel at one end of the cloud platform and/or security personnel at other positions can conveniently process accidents/faults/hazards according to the video, meanwhile, the transmission of the video stream is started only when required, and the transmission is stopped when not required, thereby saving the use cost.
Example 2
The communication method provided in embodiment 2 of the present invention is applied to a cloud platform, and as shown in fig. 3, includes the following steps:
S5: and receiving an alarm signal sent by the monitoring device.
S6: and obtaining an outbound command/calling command according to the alarm signal, and sending the outbound command/calling command to the monitoring device.
In this embodiment, the monitoring device may specifically employ a camera, and the cloud platform may specifically employ a cloud platform.
In the communication method provided by embodiment 2 of the present invention, the cloud platform receives the alarm signal sent by the monitoring device, and sends the outbound command to the monitoring device, and the monitoring device dials the number to the outside after receiving the outbound command, so that the field personnel at one end of the monitoring device can call the monitoring personnel at one end of the cloud platform or the security personnel at other positions, and the monitoring personnel or the security personnel can conveniently and quickly handle the accident/fault/hazard; the cloud platform sends the call instruction to the monitoring device, so that the monitoring device can establish call connection with the cloud platform to carry out call, monitoring personnel at one end of the cloud platform can carry out voice call with field personnel at one end of the monitoring device, and possible sent accidents/faults/hazards can be prevented in time. Therefore, the communication method provided by the invention can be used for communication between the monitoring device (camera) and the cloud platform, the application range of the monitoring device is expanded, and the user experience is improved.
In the communication method according to embodiment 2 of the present invention, after sending the outbound command/call command to the monitoring device, the method further includes: and receiving the video stream pushed by the monitoring device. Therefore, in embodiment 2 of the present invention, the cloud platform receives the video stream only when the monitoring device pushes the video stream, so that the transmission cost of the video stream is saved.
Example 3
Optionally, in the monitoring apparatus according to embodiment 3 of the present invention, the monitoring apparatus further includes a streaming media pushing module, where the streaming media pushing module is configured to: after an outbound command/calling command sent by the cloud platform is received, when a video stream needs to be pushed to the cloud platform, starting the operation of pushing the video stream.
Optionally, in the monitoring device according to embodiment 3 of the present invention, the streaming media pushing module is further configured to: and after the call is finished, when the pushing operation of the video stream needs to be closed, closing the operation of pushing the video stream.
Optionally, in the monitoring device according to embodiment 3 of the present invention, the streaming media pushing module is specifically configured to: and judging whether the video stream pushing operation needs to be started/ended or not by polling the timeout timestamp.
When the technical scheme is adopted, the transmission of the video stream is started only when needed, and the transmission is stopped when not needed, so that the use cost is saved.
Optionally, in the monitoring device according to embodiment 3 of the present invention, the call module 52 is specifically configured to: and acquiring the call information of the cloud platform through message queue telemetry transmission MQTT.
Optionally, in the monitoring apparatus according to embodiment 3 of the present invention, the call information includes a plurality of pieces of call information arranged in a preset order; the call module 52 is specifically configured to: and establishing communication connection in sequence according to the preset sequence of the plurality of call information.
Optionally, in the monitoring device according to embodiment 3 of the present invention, the alarm signal generating module 10 includes a video defense submodule and/or an infrared detection submodule: the video deploying sub-module is used for generating an alarm signal when the action characteristics and/or the behavior characteristics of the person in the acquired video information meet a preset trigger deploying standard; and the infrared detection submodule is used for generating an alarm signal when the acquired human body infrared characteristic signal enters a preset sensitive position.
According to the monitoring device, the alarm signal is sent to the cloud platform, and after the outbound command sent by the cloud platform is received, dialing is carried out according to the obtained calling information, so that field personnel at one end of the monitoring device can call monitoring personnel at one end of the cloud platform or safety personnel at other positions, and the monitoring personnel or the safety personnel can conveniently and quickly deal with accidents/faults/hazards; after receiving a call instruction sent by the cloud platform, the monitoring device establishes a call connection with the cloud platform to carry out a call, so that monitoring personnel at one end of the cloud platform can carry out voice call with field personnel at one end of the monitoring device, and possible sent accidents/faults/hazards can be prevented in time. Therefore, the technical scheme of the invention can enable the monitoring device to communicate with the cloud platform, expand the application range of the monitoring device and improve the user experience.
Example 4
The cloud platform provided in embodiment 4 of the present invention further includes a streaming media service device, where the streaming media service device is configured to: and after the outbound command/calling command is sent to the monitoring device, receiving a video stream pushed by the monitoring device.
The cloud platform provided in embodiment 4 of the present invention receives the alarm signal sent by the monitoring device, and sends the outbound command to the monitoring device, and the monitoring device dials the number after receiving the outbound command, so that the field personnel at one end of the monitoring device can call the monitoring personnel at one end of the cloud platform or the security personnel at other positions, and the monitoring personnel or the security personnel can conveniently and quickly handle the occurred accident/failure/hazard; the cloud platform sends the call instruction to the monitoring device, so that the monitoring device can establish call connection with the cloud platform to carry out call, monitoring personnel at one end of the cloud platform can carry out voice call with field personnel at one end of the monitoring device, and possible sent accidents/faults/hazards can be prevented in time. Therefore, the technical scheme provided by the invention can enable the monitoring device (camera) to communicate with the cloud platform, expand the application range of the monitoring device and improve the user experience.
Example 5
The invention also provides a monitoring system which comprises the monitoring device in embodiment 3 and the cloud platform in embodiment 4. Fig. 6 is a schematic block diagram of a specific example of the monitoring system in embodiment 5 of the present invention. As shown in fig. 6, the monitoring system according to embodiment 5 of the present invention includes: the device comprises a camera and a cloud platform, wherein the camera is named as the device in fig. 6, the camera comprises a video defense submodule, an infrared detection submodule, a streaming media pushing module and an SIP telephone calling module, the video defense submodule and the infrared detection submodule jointly form an alarm signal generating module, and the SIP telephone calling module is equivalent to the call module in the embodiment 3; the cloud platform includes an alarm monitoring device, a streaming media service device, and an SIP call service device, where the SIP call service device is equivalent to the call service device in embodiment 4.
When the monitoring system of embodiment 5 is used for calling, the method specifically includes the following steps:
(1) when the video defense deploying module and the infrared detection module of the device comprehensively judge that the important position has illegal invasion, the device alarms to the cloud platform according to an HTTP protocol and a json format;
(2) as a processing mode: the cloud platform receives alarm information, sends the outbound instruction to this device, this device receives the outbound instruction after, judges whether open the video stream propelling movement to the timed polling timeout timestamp of cloud platform according to HTTP agreement and json structure, receives the calling information group that the cloud platform sent according to MQTT agreement and json structure simultaneously, and every 30 seconds calls security personnel according to calling information group order dialing, after the conversation, this device judges whether to close the video stream transmission from the timed polling timeout timestamp of cloud platform. The specific business process is shown in fig. 7.
The cloud platform calls a field device through an SIP (session initiation protocol) after receiving alarm information of the device, judges whether to start video stream pushing and inquire the field condition according to an HTTP (hyper text transport protocol) protocol and a json structure timing polling overtime timestamp, and judges whether to finish the video stream pushing through the timing polling overtime timestamp after finishing hanging up of service processing.
As another processing mode: after the cloud platform acquires the alarm information, monitoring personnel call through the SIP protocol to the SIP call module of the device, the monitoring personnel can inquire and verify personnel information through the voice channel after connection is established, meanwhile, streaming media videos are transmitted to the cloud platform according to the RTSP protocol, after a service is finished, the SIP call is hung up, and streaming media transmission is closed according to the situation. The specific business process is shown in fig. 8.
The device adopts an RTSP protocol when transmitting streaming media to a cloud platform, the protocol queries an available method of the cloud platform through an OPTIONS method, obtains media description information through a DESCRIBE method, establishes an RTSP session through a SETUP method, requests to start transmitting data through a PLAY method, then starts transmitting streaming media data, finally closes the session through a TEARDOWN method, and exits the streaming media transmission.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (15)
1. A conversation method is characterized by comprising the following steps:
generating an alarm signal and sending the alarm signal to a cloud platform;
after an outbound command sent by the cloud platform is received, acquiring call information, establishing call connection according to the call information, and carrying out call;
And after receiving the call instruction sent by the cloud platform, establishing a call connection with the cloud platform to carry out a call.
2. The communication method according to claim 1, wherein after receiving the outbound/calling command sent by the cloud platform, the method further comprises:
judging whether the operation of starting video stream pushing is needed;
and when the video stream needs to be started, pushing the video stream to the cloud platform.
3. The method of claim 2, further comprising, after the call is terminated:
judging whether the operation of pushing the video stream needs to be finished or not;
and when the video stream needs to be finished, closing the operation of pushing the video stream.
4. A call method according to claim 2 or 3, wherein a polling timeout timestamp is used to determine whether to start/end the video stream pushing operation.
5. The communication method according to any one of claims 1 to 4, wherein the acquiring the call information includes:
and acquiring the call information of the cloud platform through message queue telemetry transmission MQTT.
6. The communication method according to any one of claims 1 to 4, wherein the call information includes a plurality of call information arranged in a preset order;
The dialing according to the call information comprises the following steps:
and establishing communication connection in sequence according to the preset sequence of the plurality of call information.
7. A method for calling according to any of claims 1 to 4, wherein said generating an alarm signal comprises:
processing the acquired video information to obtain action characteristics and/or behavior characteristics of the person;
when the action characteristics and/or the behavior characteristics accord with preset trigger defense standards, generating an alarm signal;
and/or acquiring a human body infrared characteristic signal, and generating an alarm signal when the human body infrared characteristic signal enters a preset sensitive position.
8. A method for calling, comprising the steps of:
receiving an alarm signal sent by a monitoring device;
and obtaining an outbound command/calling command according to the alarm signal, and sending the outbound command/calling command to the monitoring device.
9. The method of claim 8, further comprising, after sending the outbound/calling command to the monitoring device:
and receiving the video stream pushed by the monitoring device.
10. A monitoring device, comprising: the device comprises an alarm signal generating module and a communication module;
The alarm signal generating module is used for generating an alarm signal and sending the alarm signal to the cloud platform;
the communication module is used for acquiring call information after receiving an outbound command sent by the cloud platform, establishing communication connection according to the call information and carrying out communication;
or after receiving the call instruction sent by the cloud platform, establishing a call connection with the cloud platform to carry out a call.
11. The monitoring device of claim 10, further comprising a streaming media push module configured to:
after an outbound instruction/calling instruction sent by the cloud platform is received, judging whether the operation of video stream pushing needs to be started or not;
and when the video stream needs to be started, pushing the video stream to the cloud platform.
12. The monitoring device of claim 11, wherein the streaming media push module is further configured to:
after the call is finished, judging whether the operation of pushing the video stream needs to be finished or not;
and when the video stream needs to be finished, closing the operation of pushing the video stream.
13. A cloud platform, comprising: the system comprises an alarm monitoring device and a call service device;
The alarm monitoring device is used for receiving an alarm signal sent by the monitoring device;
and the call service device is used for obtaining an outbound command/call command according to the alarm signal and sending the outbound command/call command to the monitoring device.
14. The cloud platform of claim 13, further comprising a streaming service device, said streaming service device configured to:
and after the outbound command/calling command is sent to the monitoring device, receiving a video stream pushed by the monitoring device.
15. A monitoring system, comprising the monitoring device of any one of claims 10 to 12 and the cloud platform of claims 13 to 14.
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