CN110247900B - Intelligent gateway for storing real-time video of SIP monitoring platform into ONVIF storage device - Google Patents
Intelligent gateway for storing real-time video of SIP monitoring platform into ONVIF storage device Download PDFInfo
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Abstract
An intelligent gateway for storing real-time video of an SIP monitoring platform into an ONVIF storage device is divided into an SIP service part, an ONVIF-SIP conversion service part, an ONVIF service part and a streaming media service part, registers to the SIP monitoring platform through the SIP service part, and is used for acquiring real-time video stream from the SIP monitoring platform; the ONVIF service part interacts with the ONVIF storage equipment and responds to the storage request of the ONVIF storage equipment; the ONVIF-SIP conversion service part is used for converting the ONVIF protocol message and the SIP protocol message; and pushing the real-time video stream of the SIP monitoring platform to an ONVIF storage device through a streaming media service part. The invention converts the ONVIF protocol type message request sent by the storage device into the SIP protocol type message request, thereby realizing the butt joint of the storage device and the SIP monitoring platform and achieving the purpose of storing the real-time video.
Description
Technical Field
The invention relates to the technical field of Video monitoring and storage, in particular to an intelligent gateway for storing real-time Video of an SIP (Session Initiation Protocol) monitoring platform into an Open Network Video Interface Forum (ONVIF) storage device.
Background
With the continuous development of politics, economy and society, the security video monitoring industry is more and more close to socioeconomic and people's life. In recent years, with the rapid development of network video monitoring systems, various network video monitoring protocols are emerging, and communication between devices adopting different protocols is increasingly difficult. The SIP protocol is a protocol adopted by many device manufacturers due to its advantages of openness, flexibility, easy expansion, etc. The monitoring platform adopting the SIP protocol provides great convenience in the aspects of interconnection of the system and the front-end equipment, and enhances the integration, the expansibility and the openness of the monitoring system. However, most of the storage devices used in the conventional video surveillance system do not support the SIP protocol, but support the ONVIF protocol. Therefore, the problem that the monitoring platform adopting the SIP protocol is incompatible with the storage equipment adopting the ONVIF protocol exists. The ONVIF storage devices are difficult to store real-time videos of the SIP monitoring platform, and resource waste is caused.
Disclosure of Invention
In order to achieve the purpose that the ONVIF storage device can store the real-time video of the SIP monitoring platform, the invention provides an intelligent gateway which stores the real-time video of the SIP monitoring platform into the ONVIF storage device and converts the message request of the ONVIF protocol type sent by the storage device into the message request of the SIP protocol type, thereby achieving the butt joint of the storage device and the SIP monitoring platform and achieving the purpose of storing the real-time video.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an intelligent gateway for storing real-time video of an SIP monitoring platform into an ONVIF storage device is divided into an SIP service part, an ONVIF-SIP conversion service part, an ONVIF service part and a streaming media service part, registers to the SIP monitoring platform through the SIP service part, and is used for acquiring real-time video stream from the SIP monitoring platform; the ONVIF service part interacts with the ONVIF storage equipment and responds to the storage request of the ONVIF storage equipment; the ONVIF-SIP conversion service part is used for converting the ONVIF protocol message and the SIP protocol message; and pushing the real-time video stream of the SIP monitoring platform to an ONVIF storage device through a streaming media service part.
Further, the SIP service part is used for sending a request to the SIP monitoring platform and receiving the request from the SIP monitoring platform, and comprises registration, heartbeat, equipment list inquiry, equipment state inquiry, equipment on-line and off-line reminding and real-time video acquisition, the SIP service part firstly sends registration information to the SIP monitoring platform actively, after a plurality of encryption authentication processes, connection is established with the SIP monitoring platform, in order to ensure the state of connection with the SIP monitoring platform, the SIP service part sends a REGISTER message of the SIP to the monitoring platform at intervals, the REGISTER message contains heartbeat messages, if 200OK messages replied by the monitoring platform are received, the SIP service part considers that the SIP monitoring platform is in a connected state, if the reply messages are not received, the connection is considered to be disconnected, the process of registering to the monitoring platform is carried out again, and connection is established again.
Preferably, after the connection is successfully established, the SIP service part sends a SUBSCRIBE message of the SIP to the monitoring platform, queries the current online states of all the devices, records the correspondence between the device ID and the online state of each device, stores the correspondence in a list, receives a NOTIFY message from the monitoring platform SIP at the same time, carries a message notification that a certain device is online or offline, and updates the list according to the message content.
Furthermore, the ONVIF storage device needs to acquire current all device information before storing, including the total number of devices and the device video channel name, so that, after the intelligent gateway receives the HTTP (HyperText Transfer Protocol) request message through the ONVIF service part, it needs to invoke ONVIF-SIP conversion service to analyze the SOAP (Simple Object Access Protocol) message body of the HTTP message, acquire the request content in the SOAP message body, and convert it into the XML (Extensible Markup Language) message body of the SIP; then, the SIP service part sends a SUBSCRIBE message of the SIP to the monitoring platform, and the message carries the XML message body obtained by the conversion; after receiving the SIP message replied by the monitoring platform, the gateway calls the ONVIF-SIP conversion service to pack the useful information in the XML message body of the SIP message into the SOAP message, and replies the SOAP message to the storage device through the ONVIF service part, thereby realizing the pushing function of all device information. The ONVIF storage device obtains device media configuration information, and the conversion of SOAP messages to SIP messages is simply represented by the following equation:
ConfigurationToken＝To.username (1)
Resolution＝media (2)
wherein, configuration token and Resolution are labels of the SOAP message, and are respectively a video source and Resolution; the media and to. username are the tags of the SIP message, media information and device ID, respectively.
Furthermore, the ONVIF storage device needs to store the Real-Time video stream after acquiring the device information, and at this Time, the ONVIF service part needs to call the Streaming media service to perform a forwarding process of the Streaming media, and receives a SOAP or RTSP (Real Time Streaming Protocol) message from the storage device; the ONVIF-SIP conversion service analyzes the SOAP or RTSP message and packages the SOAP or RTSP message into an SIP message; the SIP service part sends the SIP message to the monitoring platform, the media information of the requested equipment can be acquired, the media information comprises video coding format, resolution and frame rate configuration information, after the parameters of the equipment media are acquired, the SIP service part requests the monitoring platform for the real-time video of the equipment, the negotiation of RTSP information is completed between the ONVIF service part and the ONVIF storage equipment, then streaming media service is called to forward the real-time video acquired from the monitoring platform to the ONVIF storage equipment, and the storage equipment receives the video stream and then realizes the whole storage process.
When the ONVIF storage device sends a RTSP SETUP request to the ONVIF service part to request to establish media session connection with the device, and the gateway replies 200OK to indicate that the media session is successfully established, the gateway stores the corresponding relation between the target device and the session value of the unique identifier of the media session connection into a list so as to store the media session connection.
If receiving a TEARDOWN request of RTSP sent by the ONVIF storage device to the ONVIF service part and requesting to close media session connection, the gateway finds target equipment from a corresponding relation list of the equipment and the session value according to the session value in the request, the ONVIF-SIP conversion service part obtains a BYE request message of the SIP and sends the BYE request message to the SIP monitoring platform, and after receiving 200OK replied by the SIP monitoring platform, the gateway replies 200OK of the ONVIF storage device and deletes the corresponding relation between the equipment connected with the media session and the session value from the list.
The technical conception of the invention is as follows: under the environment that the communication protocol of the monitoring industry is increasingly diversified, the existing ONVIF storage equipment cannot store the real-time video of the SIP monitoring platform, and the resource waste is greatly caused. The intelligent gateway for accessing the ONVIF monitoring equipment by using the SIP terminal can greatly reduce the time for repeated development, and importantly, the SIP monitoring platform can have very high compatibility with the equipment in the monitoring market.
The intelligent gateway realizes the basic interaction function with the ONVIF storage device, simultaneously butts the basic function of the SIP monitoring platform, makes up the defect that the ONVIF storage device cannot be accessed to the SIP monitoring platform, and realizes the storage function of real-time videos on the SIP monitoring platform.
The invention has the following beneficial effects: (1) most storage equipment in the monitoring market is based on an ONVIF protocol, the ONVIF service can be accessed to the ONVIF storage equipment, and the requirement that an SIP monitoring platform is accessed to the ONVIF storage equipment is met; (2) the SIP monitoring platform can send the real-time video to the ONVIF storage device only by responding to the requests sent by the SIP service in several steps; (3) the mobile SIP equipment of the SIP monitoring platform is accessed through the wide area network, real-time videos can be stored in the ONVIF storage equipment, the limitation that ONVIF protocols can only be stored in the local area network is solved, and the flexibility of the monitoring system is greatly improved. In conclusion, the invention has the advantages of low threshold, wide coverage, high real-time performance, economy, practicability and the like.
Drawings
Fig. 1 is a system framework diagram composed of the intelligent gateway, the SIP monitoring platform and the ONVIF storage device of the present invention.
Fig. 2 is a flow of storing real-time video of a device on the SIP monitoring platform by the ONVIF storage device.
Fig. 3 is a conversion flow of the ONVIF protocol and the SIP protocol in the process of acquiring the device media configuration information on the SIP monitoring platform by the ONVIF storage device.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
Referring to fig. 1 to 3, the invention relates to an intelligent gateway for storing real-time video of an SIP monitoring platform into an ONVIF storage device, and the whole system is as shown in fig. 1.
The SIP signaling control methods mainly used in the SIP service portion mainly include REGISTER, SUBSCRIBE, NOTIFY, INVITE, ACK, BYE, and the like. The REGISTER is used for registering to the SIP monitoring platform and keeping heartbeat alive; SUBSCRIBE is used for subscribing the function of the online and offline notification of the equipment; NOTIFY is used for receiving and responding to the notice of the SIP monitoring platform; INVITE is used to request a media session; the ACK is used to confirm successful establishment of the media session; BYE is used to end the media session.
The ONVIF protocol mainly adopts two message formats, namely SOAP message and RTSP message carried by HTTP protocol. The data interaction adopts SOAP message, and the media request adopts RTSP message. The ONVIF service part thus provides not only an HTTP interface for parsing and responding to SOAP messages, but also an RTSP interface for responding to RTSP protocol's OPTIONS, DESCRIBE, SETUP, PLAY, TEARDOWN, etc. signaling requests. Wherein the OPTIONS is a signaling set for inquiring RTSP service support; DESCRIBE for obtaining the description information of the media in DESCRIBE for DESCRIBE; SETUP establishes media session connection for negotiation; PLAY is to notify the start of sending media data; TEARDOWN is a notification to end the media session.
In the ONVIF-SIP conversion service part, if the SOAP message received by the ONVIF service part is to be converted into the SIP message, the content in the SOAP message is only required to be analyzed out, and the SIP message is packaged into the SIP message and sent to the SIP monitoring platform by the SIP service. And in a similar way, if the SIP message replied by the monitoring platform is received, the content in the SIP message is analyzed, the content is repackaged into the SOAP message, and then the SOAP message is replied to the ONVIF storage device through the ONVIF service.
Taking the process of acquiring the device media configuration information by the ONVIF storage device as an example, the work flow of the ONVIF-SIP conversion service is introduced. Referring to fig. 3, the SOAP message received by the ONVIF service is read first. And then, analyzing the value of the tag of < configuration token > in the SOAP message, finding the corresponding equipment through a database according to the value of the tag, and setting the target equipment of the SIP message as the equipment. And then, the packaged SIP message is delivered to the SIP monitoring platform by the SIP service. And then reading the reply message received by the SIP service, and assigning the related media parameters such as resolution and the like to the SOAP message. And finally, the ONVIF replies the SOAP message to the ONVIF storage device, and the conversion between the SOAP message and the SIP message is simply represented by the following formula:
ConfigurationToken＝To.username (1)
Resolution＝media (2)
wherein, configuration token and Resolution are labels of the SOAP message, and are respectively a video source and Resolution; the media and to. username are the tags of the SIP message, media information and device ID, respectively.
The streaming media service part is mainly used for forwarding streaming media, namely forwarding real-time video streams sent by the SIP monitoring platform to the ONVIF storage device.
Referring to fig. 2, the process of acquiring a real-time video stream of a certain device from the SIP monitoring platform by the ONVIF storage device through the intelligent gateway is as follows:
1) the ONVIF storage device sends a POST request of an HTTP (hyper text transport protocol) to the ONVIF service part, and carries SOAP (simple object access protocol) information of a stream media address of the device, the gateway packages the stream media address distributed to the device into SOAP information, and the ONVIF service part replies 200OK to the ONVIF storage device and carries the SOAP information;
2) and after receiving the reply message in the step 1, the ONVIF storage device sends a POST request of the HTTP to the ONVIF service part, and the POST request carries a SOAP message requesting to acquire the media configuration of the device. The gateway finds the target equipment through a database according to the content in the SOAP message, obtains the NOTIFY request of the SIP by the ONVIF-SIP conversion service part, carries an XML message body for obtaining the media parameters of the equipment, and sends the SIP request to the SIP monitoring platform;
3) after receiving the reply message of the SIP monitoring platform in the step 2, the gateway analyzes the media parameter value in the reply message, obtains a corresponding SOAP message by the ONVIF-SIP conversion service part, and replies 200OK to the ONVIF storage device and carries the SOAP message;
4) the ONVIF storage device sends an RTSP OPTIONS request to the ONVIF service part, and the gateway replies to the 200OK and carries the supported RTSP signaling set information. Sending a RTSP DESCRIBE request to the ONVIF service part by the ONVIF storage device, requesting to acquire description information of the media session, and replying 200OK by the gateway according to the database and the media parameters obtained in the step 3;
5) the ONVIF storage device sends RTSP SETUP request to the ONVIF service part to request to establish media session connection with the device, the gateway analyzes the request message, the ONVIF-SIP conversion service part obtains SIP INVITE request message, requests real-time video of the device from the SIP monitoring platform, the SIP monitoring platform replies 100Trying first and replies 200OK after successful request to the device, the gateway replies 200OK to the ONVIF storage device after receiving the reply of the SIP monitoring platform, parameter information such as transmission port of media stream and the like and a session value of unique identification of the media session connection, and after the media session is established successfully, the gateway stores the corresponding relation between the target device and the session value into a list and stores the media session connection.
6) And after receiving the reply of the SETUP request, the ONVIF storage equipment sends a RTSP PLAY request to the ONVIF service to request for transmitting the video stream. And the gateway replies 200OK, and meanwhile, the ONVIF-SIP conversion service obtains an ACK message of the SIP and sends the ACK message to the SIP monitoring platform. At this time, the media stream is forwarded to the ONVFI storage device through the streaming media service by the SIP monitoring platform.
7) And if a TEARDOWN request of RTSP is sent to the ONVIF service by the ONVIF storage device is received, the media session connection is requested to be closed. And the gateway finds the corresponding equipment from the list in the step 5 according to the session parameter in the request, obtains a BYE request message of the SIP by the ONVIF-SIP conversion service, and sends the BYE request message to the SIP monitoring platform. And after receiving the 200OK replied by the SIP monitoring platform, the gateway replies 200OK to the ONVIF storage equipment and deletes the corresponding relation between the media session connection equipment and the session value from the list. By this point, the entire storage process ends.
It should be noted that the embodiments of the present invention are only examples of the present invention, and the embodiments using the design idea of the present invention and the equivalent variations thereof should fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a save SIP monitoring platform's real-time video in intelligent gateway of ONVIF storage device which characterized in that: the intelligent gateway is divided into an SIP service part, an ONVIF-SIP conversion service part, an ONVIF service part and a streaming media service part, is registered to an SIP monitoring platform through the SIP service part and is used for acquiring a real-time video stream from the SIP monitoring platform; the ONVIF service part interacts with the ONVIF storage equipment and responds to the storage request of the ONVIF storage equipment; the ONVIF-SIP conversion service part is used for converting the ONVIF protocol message and the SIP protocol message; pushing the real-time video stream of the SIP monitoring platform to an ONVIF storage device through a streaming media service part;
the SIP service part actively sends registration information to the SIP monitoring platform, establishes connection with the SIP monitoring platform after encryption authentication process, and in order to ensure the state of connection with the SIP monitoring platform, the SIP service part sends a REGISTER message of the SIP to the monitoring platform at intervals, wherein the REGISTER message comprises heartbeat message;
the SIP service part sends a SUBSCRIBE message of the SIP to the monitoring platform, inquires the online states of all current equipment, records the corresponding relation between the equipment ID and the online state of each equipment, and stores the corresponding relation in a list; meanwhile, the SIP service part receives a NOTIFY message from the SIP monitoring platform and carries a message notification of the online or offline of a certain device, and the SIP service part updates the list according to the message content;
when the intelligent gateway receives an HTTP request message from ONVIF storage equipment through an ONVIF service part, an ONVIF-SIP conversion service part is called to analyze an SOAP message body of the HTTP message, request content in the SOAP message body is obtained and converted into an XML message body of the SIP, and then the SIP message is sent to an SIP monitoring platform through the SIP service part and carries the XML message body obtained after conversion; after receiving the SIP message replied by the SIP monitoring platform, the intelligent gateway calls an ONVIF-SIP conversion service part to pack useful information in an XML message body of the SIP message into an SOAP message, the SOAP message is replied to an ONVIF storage device through the ONVIF service part, the ONVIF storage device acquires device media configuration information, and the conversion between the SOAP message and the SIP message is simply represented by the following formula:
Configuration Token＝To.username (1)
Resolution＝media (2)
wherein, configuration token and Resolution are labels of the SOAP message, and are respectively a video source and Resolution; the media and to. username are the tags of the SIP message, media information and device ID, respectively.
2. The intelligent gateway for storing real-time video of a SIP monitoring platform in an ONVIF storage device of claim 1, wherein: when the intelligent gateway receives an RTSP request message from an ONVIF storage device through an ONVIF service part, an ONVIF-SIP conversion service part is called to analyze the RTSP message and package the RTSP message into an SIP message, then the SIP service part sends the SIP message to an SIP monitoring platform, the SIP monitoring platform replies media information of the requested device, the media information comprises video coding format, resolution and frame rate configuration information, then the SIP service part requests real-time video of the device from the SIP monitoring platform, meanwhile, the ONVIF service part completes negotiation of the message with the ONVIF storage device, then streaming media service is called to forward the real-time video acquired from the monitoring platform to the ONVIF storage device, and the entire storage flow is realized after the RTSP storage device receives video streams.
3. The intelligent gateway for storing real-time video of a SIP monitoring platform in an ONVIF storage device of claim 2, wherein: when the ONVIF storage device sends a SETUP request of RTSP to the ONVIF service part, the media session connection is requested to be established with the device, and the intelligent gateway replies 200OK to indicate that the media session is successfully established, the intelligent gateway stores the corresponding relation of the target device and the session value of the unique identifier of the media session connection into a list so as to store the media session connection.
4. The intelligent gateway for storing real-time video of a SIP monitoring platform in an ONVIF storage device of claim 3, wherein: if receiving a TEARDOWN request of RTSP sent by the ONVIF storage device to the ONVIF service part and requesting to close media session connection, the intelligent gateway finds target equipment from a corresponding relation list of the equipment and the session value according to the session value in the request, the ONVIF-SIP conversion service part obtains a BYE request message of the SIP and sends the BYE request message to an SIP monitoring platform, and after receiving 200OK replied by the SIP monitoring platform, the intelligent gateway replies 200OK to the ONVIF storage device and deletes the corresponding relation between the equipment connected with the media session and the session value from the list.
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| CN113938469A (en) * | 2021-08-27 | 2022-01-14 | 上海云翌通信科技有限公司 | non-SIP protocol terminal and SIP protocol terminal conversation method, gateway and SIP server |
| CN114422611A (en) * | 2022-01-18 | 2022-04-29 | 北京数码视讯技术有限公司 | Protocol conversion method and device |
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| CN108900798A (en) * | 2018-06-13 | 2018-11-27 | 浙江工业大学 | A kind of intelligent gateway of sip terminal access ONVIF monitoring device |
| CN108810475B (en) * | 2018-06-22 | 2020-10-30 | 浙江工业大学 | Android video monitoring device based on Onvif standard and Sip protocol |
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| JP2014229915A (en) * | 2013-05-17 | 2014-12-08 | アイホン株式会社 | Intercom system |
| CN104735400A (en) * | 2013-12-24 | 2015-06-24 | 浙江省公众信息产业有限公司 | Method and gateway equipment for SIP client side in video monitoring system to have access to RTSP media equipment |
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