CN109391800B - Smart community video monitoring method and system based on broadcast television TVOS smart set top box - Google Patents
Smart community video monitoring method and system based on broadcast television TVOS smart set top box Download PDFInfo
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- CN109391800B CN109391800B CN201811434567.4A CN201811434567A CN109391800B CN 109391800 B CN109391800 B CN 109391800B CN 201811434567 A CN201811434567 A CN 201811434567A CN 109391800 B CN109391800 B CN 109391800B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 252
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000015654 memory Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000009877 rendering Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
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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
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses an intelligent community video monitoring method and system based on a television TVOS intelligent set top box, which aim to fully utilize the existing broadcast network, local area network, home television platform and video monitoring system of the community, access the multi-channel video monitoring of the community to the home television through the TVOS intelligent set top box, provide low-delay, clear, smooth and multifunctional video monitoring experience for residents, enrich the application of the TVOS system, provide new video value-added service for the broadcast television, effectively improve the utilization value of the community monitoring system and enhance the integral security and protection effect of the community.
Description
Technical Field
The invention relates to an intelligent community video monitoring system, in particular to a video monitoring system for intelligent community security construction based on a broadcast television TVOS (Television Operation System) intelligent set top box.
Background
At present, all metropolitan areas are in the progress of smart cities and smart community construction, a community security monitoring system is regarded as the important emphasis of smart community construction, a community broadcast network, a local area network and existing monitoring equipment are utilized, a community video monitoring system is connected into a household television through a broadcast television intelligent set top box, residents can view real-time monitoring and playback of all sections, activity centers, stadiums, parking lots and other areas of the community at any time in the television through operating a set top box remote controller, community resources can be fully utilized, the utilization value of the community video monitoring system is exerted, new video value-added service and smart community solutions can be provided for the broadcast television, the sense of safety and happiness of lives of residents are improved, and the progress of smart community security construction is of great significance to the digitalized and intelligent community construction.
The TVOS intelligent television operating system is a home-made intelligent television operating system which is dominant by the national broadcasting and television headquarter and is independently researched and developed, has important significance for guaranteeing the security of broadcasting television culture in China and supporting the fusion development and strategic transformation upgrading development of broadcasting television media, and is used as a default operating system of a broadcasting and television intelligent set top box. At present, no effective solution has been presented, and intelligent set top boxes and television sets based on broadcast television TVOS television operating systems, which are widely used by community households, can be fully utilized, so that convenient, clear and smooth video monitoring service is provided for community residents.
Disclosure of Invention
The invention aims to provide an intelligent community video monitoring method and system based on a television TVOS intelligent set top box, which aims to fully utilize the existing broadcast network, local area network, home television platform and video monitoring system of the community, provide a construction scheme of an intelligent community security system, develop a video monitoring client end deeply fused with software and hardware of the television TVOS intelligent set top box, access the multi-channel video monitoring of the community into a home television through the TVOS intelligent set top box and provide low-delay, clear, smooth and multifunctional video monitoring experience for residents; meanwhile, a video monitoring management client is developed and is responsible for community monitoring equipment configuration management, partition management, authority management, intelligent card binding management and the like, so that a monitoring system is more perfect and intelligent, and personalized requirements of users are met.
In order to achieve the above object, an aspect of the present invention is to provide a smart community video monitoring method based on a broadcast television TVOS smart set top box, including:
the video monitoring client requests the network camera IPC to acquire real-time video monitoring through RTSP;
the IPC responds to the request, acquires a real-time monitoring video of YUV frames, and carries out H.264 coding compression;
the H.264 coding frame is packaged into RTP packets in a blocking mode and is sent to the video monitoring client through a network;
the video monitoring client receives the RTP video data packet, restores the H.264 coding block and reassembles the H.264 coding block into a frame to be sent to a buffer area;
starting hardware acceleration, setting a GPU as a video decoder and reading decoding parameters; decoding a frame of H.264 video data packet as an original acquisition YUV frame, and performing OpenGL rendering on a frame of image;
and displaying the video monitoring image.
According to the method, the community video monitoring is connected to the TVOS intelligent set top box, so that a user can check all monitoring points of the community at any time to monitor and play back in real time through the television in home, the utilization value of a community monitoring system is fully exerted, and the overall security effect of the community is effectively improved; meanwhile, the powerful video decoding and graphic image processing advantages of the TVOS intelligent set top box are utilized, the definition and fluency of the monitoring video are obviously improved, the video monitoring loading delay is greatly shortened, and good video monitoring experience is brought to users.
Another aspect of the present invention is to provide a smart community video monitoring system based on a broadcast television TVOS smart set top box, including: the system comprises a video monitoring display module, a video monitoring module and a video monitoring management module;
the video monitoring display module comprises: the system comprises a home Ethernet switch, an optical network terminal, a TVOS intelligent set top box, a television, a video monitoring client, a set top box remote controller and a television remote controller; the household Ethernet switch is subjected to multistage expansion, is accessed into the optical network terminal through an optical fiber, the optical network terminal is connected with the TVOS intelligent set top box through a twisted pair, and the TVOS intelligent set top box is provided with the video monitoring client and is connected with the television through an audio/video line;
the video monitoring module comprises: monitoring a network switch, an optical fiber transceiver, a network hard disk video recorder NVR and a network camera IPC; the monitoring network switch is connected with the network hard disk video recorder and the optical fiber transceiver through twisted pairs, and the optical fiber transceiver is connected with the network camera through optical fibers through multistage expansion;
the video monitoring management module comprises: the video monitoring server and the video monitoring management client; the video monitoring server is connected with the monitoring network switch through a twisted pair and is provided with the video monitoring management client;
the home Ethernet switch and the monitoring network switch are connected with a community master router, and the community master router is connected with a broadcast television Ethernet.
Based on the scheme, the intelligent community video monitoring system based on the broadcast television TVOS intelligent set top box has the following workflow:
the community master router provides Ethernet access for a community local area network, the video monitoring display module, the video monitoring management module and the video monitoring module are all in the local area network under the community master router, and network devices in the modules can communicate with each other.
And the optical fiber transceiver gathers all paths of video monitoring signals collected by all regional network cameras IPC of the community, forwards the video monitoring signals through the monitoring network switch and continuously stores the video monitoring signals in a network video recorder NVR.
Under the support of a video monitoring server, a user can perform configuration management and partition management on the network cameras IPC of all areas of a community by operating the video monitoring management client; meanwhile, the RTSP video stream address and the code stream type of video monitoring and playing are managed; the user can also carry out personalized configuration on the monitoring lines selected by the user by binding the television smart card, and rights management is carried out on the user to view the video monitoring.
The user operates the video monitoring client through the set top box remote controller, can watch multi-channel standard definition real-time video monitoring and single-channel high definition real-time video monitoring and playback of the network camera IPC with viewing authority on the television, and can individually add, delete and select video monitoring windows.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the intelligent community video monitoring method and system based on the broadcast television TVOS intelligent set top box, which are provided by the invention, the community video monitoring system is connected into the user household television, so that on one hand, the utilization value of the community monitoring system is effectively improved, and the overall security effect of the community is enhanced; on the other hand, the TVOS system application is enriched, and a new video value-added service is provided for broadcasting and television.
(2) The intelligent community video monitoring method and system based on the broadcast television TVOS intelligent set top box provided by the invention provide the functions of multi-road definition real-time video monitoring and single-road full-screen high-definition real-time video monitoring and playback, and simultaneously have the functions of personalized addition, deletion, self-selection and cradle head control of video monitoring windows, and are flexible in operation, complete in function, safe and stable.
(3) The intelligent community video monitoring method and system based on the television TVOS intelligent set top box fully plays the strong video decoding and graphic image processing advantages of the TVOS intelligent set top box, remarkably improves the definition and smoothness of the monitoring video, greatly shortens the window switching, function scheduling and video loading delay of video monitoring, and brings good video monitoring experience to users.
(4) The intelligent community video monitoring method and system based on the broadcast television TVOS intelligent set top box can realize the functions of community network camera IPC configuration management, partition management, authority management and the like, and can also set the authority of a user for checking a monitoring line through intelligent card binding, so that the privacy protection requirement of the user is met, the monitoring system is more perfect, and the design is more humanized.
Drawings
FIG. 1 is a flow chart of a method of intelligent community video surveillance in accordance with the present invention;
FIG. 2 is a schematic diagram of the overall architecture of a video surveillance system for smart communities according to the present invention;
FIG. 3 is a schematic diagram of the cooperative operation of software and hardware of the intelligent community video monitoring system according to the invention;
FIG. 4 is a schematic diagram of the operation of a video surveillance client according to the invention;
1 is a video monitoring display module, 11 is a household Ethernet switch, 12 is an optical network terminal, 13 is a TVOS intelligent set top box, 14 is a video monitoring client, 15 is a television, 16 is a television remote controller, 17 is a set top box remote controller, 2 is a video monitoring module, 21 is a monitoring network switch, 22 is an optical fiber transceiver, 23 is a network hard disk video recorder NVR (Network Video Recoder), 24 is a network camera IPC (IP Camera), 3 is a video monitoring management module, 31 is a video monitoring server, 32 is a video monitoring management client, and 100 is a community master router.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the video monitoring method of the intelligent community according to the present invention comprises the steps of:
step S01, a video monitoring client requests a network camera IPC to acquire real-time video monitoring through a real-time streaming protocol RTSP (Real Time Streaming Protocol);
step S02, the IPC responds to the request to collect the real-time monitoring video of YUV frames and carries out H.264 coding compression;
step S03, H.264 coding frames are packaged into Real-time transmission protocol RTP (Real-time Transport Protocol) packets in a blocking mode and sent to a video monitoring client through a network;
specifically, in this step, the video monitoring device and the TVOS intelligent set-top box are in the same local area network, so that the TVOS intelligent set-top box may receive, through the network, an RTP video data packet sent by the corresponding video monitoring device.
Step S04, the client receives RTP video data packet, restores H.264 coding block and reassembles the H.264 coding block into a frame and sends the frame into a buffer area;
step S05, starting hardware acceleration, setting the GPU as a video decoder and reading decoding parameters;
specifically, in the step, the strong graphic image processing capability of the TVOS intelligent set top box is fully exerted by calling the GPU of the self graphic processor as a video decoder.
Step S06, decoding a frame of H.264 video data packet into YUV frames, and performing OpenGL rendering on a frame of image;
step S07, displaying the video monitoring image.
Specifically, when the decoding reaches a certain frame rate, real-time video monitoring can be displayed.
Fig. 2 is a smart community video monitoring system based on a broadcast television TVOS smart set top box according to the present invention, as shown in fig. 2, the monitoring system includes: the system comprises a video monitoring display module 1, a video monitoring module 2 and a video monitoring management module 3;
the video monitoring display module 1 includes: the system comprises a home Ethernet switch 11, an optical network terminal 12, a TVOS intelligent set top box 13, a video monitoring client 14, a television 15, a set top box remote controller 16 and a television remote controller 17; the home Ethernet switch 11 is subjected to multistage expansion, an optical network terminal 12 is accessed through an optical fiber, the optical network terminal 12 is connected with the TVOS intelligent set top box 13 through a twisted pair, and the TVOS intelligent set top box 13 is provided with a video monitoring client 14 and is connected with the television 15 through an audio/video cable;
the video monitoring module 2 includes: a monitoring network switch 21, an optical fiber transceiver 22, a network hard disk video recorder 23 and a network camera 24; the monitoring network switch 21 is connected with the network hard disk video recorder 23 and the optical fiber transceiver 22 through twisted pair wires, and the optical fiber transceiver 22 is connected with the network camera 24 through optical fibers through multistage expansion;
the video monitoring management module 3 includes: a video monitoring server 31 and a video monitoring management client 32; the video monitoring server 31 is connected with the monitoring network switch 21 through a twisted pair, and is provided with a video monitoring management client 32;
the community master router 101 is connected with the broadcast television Ethernet 100 through optical fibers to provide Ethernet access for a community local area network, and the home Ethernet switch 11 and the monitoring network switch 21 are connected with the community master router 101 through optical fibers, so that the video monitoring display module 1, the video monitoring module 2 and the video monitoring management module 3 are all in the local area network under the community master router 101, and network devices in the modules can communicate with each other.
Fig. 3 is a schematic diagram of the cooperative operation of software and hardware of the video monitoring system for the smart community according to the present invention, and the following describes the principle of the cooperative operation of the software and hardware of the video monitoring system for the smart community according to the present invention in a normal operation state by using the sub-modules.
1. Video monitoring display module 1:
the community resident operates the video monitoring client 14 through the set top box remote controller 17, can watch the multipath standard definition real-time video monitoring and the single path high definition real-time video monitoring and playback of the network camera 24 with authority on the television 15, and can realize the functions of personalized adding, deleting, self-selecting video monitoring windows and the like.
The video monitoring line management, data acquisition, transmission and display principles in the video monitoring display module 1 are as follows:
after the video monitoring client 14 is started, firstly, an HTTP playing request is sent to the video monitoring server 31, if the HTTP request is to play multi-channel Real-time video monitoring, a plurality of corresponding network cameras IPC24 are found in a local area network according to a plurality of RTSP addresses which are configured by the video monitoring server 31, each IPC24 carries out H.264 compression coding on the collected Real-time monitoring video subcode stream, the coded video data packet is packaged by a Real-time transmission protocol RTP (Real-time Transport Protocol), and is returned to the video monitoring client 14 through a network, each channel of video monitoring data is respectively processed by the video monitoring client 14 through multithreading programming, the threads call the video decoder to decode the sent video data packet, render graphic images and finally send the graphic images to a television 15 display to display multi-definition video monitoring.
If the HTTP requests full-screen playing of the single-channel real-time video monitoring, a corresponding single network camera IPC24 is found in the local area network according to the RTSP address of the selected monitoring line, the single IPC24 performs h.264 compression coding on the collected real-time monitoring video main code stream, the coded video data packet is packaged by an RTP protocol and returned to the video monitoring client 14 through the network, the video monitoring client 14 decodes the transmitted video data packet by programming and calling a video decoder, renders a graphic image, and finally sends the decoded video data packet to the television 15 display to full-screen display of the single-channel high-definition video monitoring.
If the HTTP requests full-screen playback video monitoring, a network hard disk video recorder NVR23 is found in the local area network according to the RTSP address of the selected monitoring line, since the NVR23 stores the monitoring video data compressed and encoded by the high-definition main code stream h.264 sent by the IPC24, the NVR23 searches the stored historical monitoring video, finds the corresponding monitoring video of the RTSP request, packages the video data packet through the RTP protocol, returns the video data packet to the video monitoring client 14 through the network, and the video monitoring client 14 invokes the video decoder through programming to decode the transmitted video data packet, render the graphic image, and finally send the graphic image to the television 15 display to display the high-definition monitoring playback in full screen.
The TVOS intelligent set top box 13 consists of a TVOS intelligent television operating system and a plurality of pieces of hardware, wherein the TVOS intelligent television operating system comprises an application layer, an application framework layer, an execution environment layer, a component layer and a Linux kernel layer, each layer comprises a plurality of programs or interfaces, and the system supports JAVA and WEB two application module programming schemes; the hardware comprises a main chip, a memory, a tuning demodulator, a return channel, a smart card interface and a video and audio output interface, wherein the main chip integrates a Central Processing Unit (CPU), a Graphic Processing Unit (GPU), a demultiplexer, a video and audio processor and other devices, the CPU is responsible for processing various instruction requests of a module, the GPU is responsible for hard decoding of audio and video and graphic and image rendering, and the processing center of all data of the intelligent set top box.
In order to fully compatible with a large number of android applications in the market, the TVOS bottom layer provides support for android application programs, and the video monitoring client 14 is APP software developed by deeply fusing software and hardware characteristics of the TVOS intelligent set top box 13 on the basis of referencing an android application programming method.
The operation principle of the video monitoring client 14 is as shown in fig. 4:
after the video monitoring client 14 module receives the multipath RTP data packets, separating each path of video packets according to the RTP packet header identification code, creating multiple threads to process each path of video monitoring data respectively, removing the start code and the packet header from the RTP data packets to obtain H.264 compression-encoded video data packets, reordering and combining the video data packets into a frame to be sent to a buffer zone to wait for decoding, calling a multimedia library (FFmpeg) by a client thread through a Java local interface (JNI) to set a GPU to be a video decoder, starting GPU hardware acceleration, setting H.264 decoding format and decoding parameters such as standard definition and high definition through a bottom Android hard coding interface (Medicacodec), initializing the decoder, when the buffer zone has data to be decoded, taking out data by the Medicacodec and driving an intelligent set top box GPU to decode the H.264 frame to be an original acquisition frame, calling an open graphic library (OpenGLGLGLGL) to render each frame image, continuously requesting the decoding of the video packets by the network camera 24 or the network hard disk 23, and continuously sending the video packets to the network hard disk 23 to the network hard disk drive the intelligent set top box to be the decoding of the YUV frame, and repeatedly displaying the video frames on the network hard disk drive the video disk drive device to be a video disk drive, and the video drive the video disk drive to be a video disk drive, and the video drive to be a video disk drive, and the video drive to be a video drive.
According to the intelligent community monitoring system, the video decoding adopts a hardware decoding mode, and the video decoding is performed by starting hardware acceleration and utilizing the strong graphic processor GPU of the TVOS intelligent set top box 13, so that the video decoding efficiency is remarkably improved, the graphics images are rendered by combining with OpenGL programming, the video smoothness and definition of each path of monitoring window of a video monitoring client are remarkably improved, the delay time of video monitoring is greatly shortened, the CPU occupation rate of the set top box is effectively reduced, more memories of the CPU are enabled to respond to commands such as video window switching, function scheduling and video loading, and the like, therefore, the video monitoring client 14 plays images clearly, smoothly and in high real-time, the response speed of video loading, function switching and task scheduling is high, the function is perfect and stable, and good operation physical examination can be brought to users.
2. Video monitoring module 2
The optical fiber transceiver 22 gathers all paths of video monitoring signals collected by all regional network cameras IPC24 of the community, and forwards the video monitoring signals through the monitoring network switch 21, so that the video monitoring signals are continuously stored in the network hard disk video recorder NVR 23.
The working principle of the video monitoring module 2 is as follows:
the network camera IPC24 supports RTSP protocol, can output two video stream standards of subcode stream, main code stream, subcode stream and main code stream pass parameter setting of RTSP request address, the video definition of subcode stream is not high enough, the video data amount is small, the video quality is bad, generally mark clear video, used for the environment with high real-time and bad network quality, such as the multipath real-time video monitoring display in the present system; the main code stream video is clear, the video data volume is large, the video quality is good, the video is high-definition video, and the history monitoring video stored in the NVR23 is the main code stream high-definition video. Corresponding IPC equipment can be found in the local area network through the RTSP address, and IPC transmission subcode streams or main code streams are set to the video monitoring client 14 according to RTSP address parameters, so that multipath standard definition real-time video monitoring and single-path full-screen high-definition real-time video monitoring and playback playing of the video monitoring client 14 are supported.
The network camera IPC24 may perform h.264 compression encoding on the collected real-time monitoring video, encapsulate the encoded video data packet by using an RTP protocol, and send the encapsulated video data packet to the RTSP request video monitoring client 14 or the network hard disk video recorder NVR23 through the network for storage.
The network camera IPC24 supports intelligent monitoring functions such as mobile detection alarm, regional detection alarm, shielding alarm and face recognition, all devices are connected to the community local area network, community security personnel can also check real-time monitoring, playback and alarm information of the IP24C of all the community local area networks through the NVR23 in the monitoring machine room, the IPC24 and the NVR23 support multi-terminal remote check, the system is simple in construction, convenient to expand, high in intelligent degree and greatly improved in security monitoring efficiency.
3. Video monitoring management module 3
Under the support of the video monitoring server 31, a user can perform configuration management and partition management on all the network cameras IPC24 by operating the video monitoring management client 32; the RTSP video stream address and the code stream type played by the video monitoring client 14 are managed; through the binding of the television smart card, a user can perform personalized configuration on the monitoring lines, select a default video monitoring line by himself, configure other monitoring lines in alternative classifications, and set the access authority of the network camera 24 at the same time, so that the privacy protection requirement of the user is met.
The video monitoring management module 3 works as follows:
when the video monitoring server 31 operates normally, the video monitoring management client 32 is opened and logged in through a browser, and when each function is selected for viewing, the video monitoring management client 32 requests the server 31 through the HTTP protocol GET, the SpringMVC framework of the server 31 queries the MySQL database in response to the request condition, and the requested data is returned to the browser;
when the modification save operation is performed, the management client 32 submits the form to the server 31 through the HTTP protocol POST method, and the SpringMVC framework of the server 31 queries the MySQL database in response to the request condition, and modifies the data of the submitted form for saving.
When the video monitoring client 14 starts or switches the monitoring picture, the client 14 sends a GET request to the video monitoring server 31, and the server 31 returns parameters such as a custom or default video monitoring RTSP address to the video monitoring client 14;
the user adds or modifies the self-selected monitoring line on the video monitoring client 14, and then the video monitoring client 14 synchronously sends a POST request to the server 31 to modify the self-selected monitoring data of the user.
The device management function of the video monitoring management client 32 is used to click the network camera IPC24 to be managed, log in to the IPC device management page to perform configuration management on parameters thereof, and if the parameter configuration of the IPC is modified and saved, the modified parameters are submitted to the video monitoring server 31 through the HTTP protocol.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. An intelligent community video monitoring system based on a broadcast television TVOS intelligent set top box is characterized by comprising: the system comprises a video monitoring display module, a video monitoring module and a video monitoring management module;
the video monitoring display module comprises: the system comprises a home Ethernet switch, an optical network terminal, a TVOS intelligent set top box, a television, a video monitoring client, a set top box remote controller and a television remote controller;
the household Ethernet switch is subjected to multistage expansion, is accessed into the optical network terminal through an optical fiber, the optical network terminal is connected with the TVOS intelligent set top box through a twisted pair, and the TVOS intelligent set top box is provided with the video monitoring client and is connected with the television through an audio/video line;
the TVOS intelligent set top box consists of a TVOS intelligent television operating system and a plurality of pieces of hardware, wherein the hardware comprises a main chip, a memory, a tuning demodulator, a return channel, an intelligent card interface and a video and audio output interface, and the main chip is integrated with a central processing unit, a graphic processing unit GPU, a demultiplexer and a video and audio processor;
the video monitoring module comprises: monitoring network switch, optical fiber transceiver, network hard disk video recorder and network camera;
the monitoring network switch is connected with the network hard disk video recorder and the optical fiber transceiver through twisted pair wires, and the optical fiber transceiver is connected with the network camera through optical fibers through multistage expansion;
the network camera supports RTSP protocol, and can output two video stream standards of subcode stream and main stream; the video of the subcode stream is standard definition video and is used for multi-channel real-time video monitoring display; the video of the main code stream is a high-definition historical monitoring video stored in a network hard disk video recorder;
the corresponding network camera is found in the local area network through the RTSP address, and the network camera is set to transmit subcode stream or main code stream to the video monitoring client according to the RTSP address parameter so as to support multi-channel standard definition real-time video monitoring, single-channel full-screen high-definition real-time video monitoring and playback and play of the video monitoring client;
the video monitoring management module comprises: the video monitoring server and the video monitoring management client; the video monitoring server is connected with the monitoring network switch through a twisted pair and is provided with the video monitoring management client;
the home Ethernet switch and the monitoring network switch are connected with a community master router;
the video monitoring client sends an HTTP playing request to the video monitoring server, if the HTTP playing request is a request for playing multi-channel real-time video monitoring, a plurality of corresponding network cameras are found in the local area network according to a plurality of RTSP addresses configured by the video monitoring server; each network camera carries out H.264 compression coding on the collected real-time monitoring video subcode stream, and the coded video data packet is packaged by a real-time transmission protocol and returned to the video monitoring client through a network; the video monitoring client side processes each path of video monitoring data through multithreading programming, and invokes the multimedia library through the Java local interface to set the GPU as a video decoder so as to enable GPU hardware acceleration; the thread calls the video decoder to decode the sent video data packet, calls the open graphic library to render the graphic image, draws the display frame image in the GLSurfaceView window, and sends the display frame image to the television display to display the multi-road definition video monitoring when the decoding reaches a certain frame rate.
2. The intelligent community video monitoring system based on the broadcast television TVOS intelligent set top box according to claim 1, wherein broadcast television Ethernet is accessed to the community master router through optical fibers to provide Ethernet access for a community local area network, the video monitoring display module, the video monitoring management module and the video monitoring module are all in the local area network under the community master router, and network devices in the modules are mutually communicated.
3. The intelligent community video monitoring system based on the television TVOS intelligent set top box according to claim 1, wherein the optical fiber transceiver collects video monitoring signals collected by the network camera, and the video monitoring signals are forwarded through the monitoring network switch and stored in the network hard disk video recorder.
4. The intelligent community video monitoring system based on the television TVOS intelligent set top box according to claim 1, wherein under the support of the video monitoring server, a user operates the video monitoring management client, configures and manages the network camera in a partitioning mode, manages the RTSP video stream address and the code stream type of video monitoring playing, binds a television intelligent card, configures a monitoring line selected by the user in a personalized mode, and manages the authority of the user to view video monitoring.
5. The intelligent community video monitoring system based on the television TVOS intelligent set top box according to claim 1, wherein a user operates the video monitoring client through the set top box remote controller, views multi-channel standard definition real-time video monitoring and single-channel high definition real-time video monitoring and playback of the network camera with authority on the television, and can individually add, delete and select video monitoring windows.
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| CN111541902B (en) * | 2020-04-30 | 2021-04-13 | 上海鸣啸信息科技股份有限公司 | Distributed multimedia control system equipment applied to station |
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