CN110769310A - Video processing method and device based on video network - Google Patents
Video processing method and device based on video network Download PDFInfo
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- CN110769310A CN110769310A CN201810836590.XA CN201810836590A CN110769310A CN 110769310 A CN110769310 A CN 110769310A CN 201810836590 A CN201810836590 A CN 201810836590A CN 110769310 A CN110769310 A CN 110769310A
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- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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Abstract
The embodiment of the invention provides a video processing method and a video processing device based on a video network, wherein the method comprises the following steps: detecting operation triggered by a user in a browser through a browser plug-in installed in the browser, and generating a video acquisition request for a specified network camera; sending the video acquisition request to the specified network camera; receiving a target video stream returned by the appointed network camera through a video networking channel; playing the target video stream in the browser plug-in; and in the process of playing the target video stream, when a segment extraction operation is detected, extracting a corresponding target video segment from the target video stream. According to the embodiment of the invention, the target video stream returned by the network camera is transmitted to the browser of the Internet terminal, and the browser transcodes the target video stream, so that the target video stream is locally played at the Internet terminal.
Description
Technical Field
The invention relates to the technical field of video networking, in particular to a video processing method and device based on video networking.
Background
The video networking is an important milestone for network development, is a higher-level form of the Internet, is a real-time network, can realize the real-time transmission of full-network high-definition videos which cannot be realized by the existing Internet, and pushes a plurality of Internet applications to high-definition video, and high definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, and can integrate dozens of services such as video networking conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channel, intelligent video broadcasting control, information distribution and the like into a system platform, and realize high-definition video playing through various terminal devices.
Generally, in the technology of video networking for real-time high-definition video exchange, a terminal and a server need to be built in the video networking, data exchange is performed through the video networking, and an internet terminal and an internet server cannot directly perform data exchange with the inside of the video networking. However, when video monitoring is performed, the video networking monitoring and networking management and scheduling platform can allocate a video networking number to the internet terminal and bind the video networking number with the internet terminal. The internet terminal bound with the video networking number can be communicated with the video networking through the video networking number, so that the internet terminal is added into a video networking monitoring and networking management and scheduling platform, real-time monitoring is checked, and the function similar to that of the video networking terminal is realized.
However, when the internet terminal checks the real-time monitoring, the internet terminal needs to add the video internet number into the video internet monitoring, networking, managing and scheduling platform, that is, the real-time monitoring video on one side of the video internet still cannot be directly transmitted to the internet terminal locally, but can only be transmitted to the video internet monitoring, networking, managing and scheduling platform. When the internet terminal needs to capture a screen or record a video of real-time monitoring, the captured image or the video can only be stored on the video networking monitoring and managing and scheduling platform. Every time the internet terminal needs to check the screen capture image or the video, the internet terminal needs to join the video monitoring and networking management and scheduling platform again through the video networking number. When the internet terminal cannot be networked, the screen shot images or the video cannot be checked. In addition, when a certain internet terminal uses the video networking number, the video networking number is in an occupied state, and other internet terminals cannot use the video networking number. The number of the video networking numbers of the video networking monitoring and networking management and scheduling platform is limited, and if all the internet terminals need to frequently add video networking to check screen shot images or video videos, the problem of shortage of the video networking numbers can be caused.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed to provide a video processing method and apparatus based on video network that overcome or at least partially solve the above problems.
A video processing method based on video networking, the method comprising:
detecting operation triggered by a user in a browser through a browser plug-in installed in the browser, and generating a video acquisition request for a specified network camera;
sending the video acquisition request to the specified network camera;
receiving a target video stream returned by the appointed network camera through a video networking channel;
playing the target video stream in the browser plug-in;
and in the process of playing the target video stream, when a segment extraction operation is detected, extracting a corresponding target video segment from the target video stream.
Preferably, the method further comprises:
and saving the target video clip through a browser plug-in.
Preferably, the video acquisition request includes a camera identifier and a specified time period; the method for detecting the operation triggered by the user in the browser and generating the video acquisition request aiming at the specified network camera by the browser plug-in installed in the browser comprises the following steps:
detecting an operation triggered by a user in a browser through a browser plug-in installed in the browser, and determining a camera identification and a designated time period designated by the user;
and generating a video acquisition request aiming at the specified network camera according to the camera identification and the specified time period.
Preferably, the step of sending the video acquisition request to the specified network camera includes:
sending the video acquisition request to a monitoring platform; the monitoring platform is used for sending the video acquisition request to a sharing platform by using a video networking protocol, and sending the video acquisition request to a monitoring access server by using the video networking protocol through the sharing platform; and the monitoring access server is used for determining a network camera corresponding to the video acquisition request according to the video acquisition request and sending the video acquisition request to the network camera.
Preferably, the step of receiving the target video stream returned by the specified network camera via the video networking channel comprises:
and receiving a target video stream returned by the sharing platform, wherein the target video stream is the video stream returned by the appointed network camera received by the sharing platform through a video networking channel.
Preferably, the interface of the browser plug-in includes a screen capture and/or video recording control, and the extracting of the corresponding target video clip includes extracting a corresponding target screen capture image and/or a target video recording video;
the step of detecting a segment extraction operation comprises:
and when the condition that the user clicks the screen capture and/or video recording control is detected, judging that the fragment extraction operation is detected.
A video processing apparatus based on a video network, the apparatus comprising:
the video acquisition request generation module is used for detecting the operation triggered by a user in the browser through a browser plug-in installed in the browser and generating a video acquisition request aiming at a specified network camera;
the video acquisition request sending module is used for sending the video acquisition request to the specified network camera;
the target video stream receiving module is used for receiving the target video stream returned by the appointed network camera through the video networking channel;
the target video stream playing module is used for playing the target video stream in the browser plug-in;
and the target video clip extraction module is used for extracting a corresponding target video clip from the target video stream when the clip extraction operation is detected in the process of playing the target video stream.
Preferably, the device may further include the following modules:
and the target video clip storage module is used for locally storing the target video clip in the browser plug-in.
Preferably, the video acquisition request comprises a camera identification and a specified time period
The video acquisition request generation module specifically includes:
the camera identification and designated time period acquisition sub-module detects the operation triggered by a user in the browser through a browser plug-in installed in the browser and determines the camera identification and the designated time period designated by the user;
a video acquisition request generation submodule: and the video acquisition request aiming at the specified network camera is generated according to the camera identification and the specified time period.
Preferably, the target video stream receiving module specifically includes:
and the target video stream receiving submodule is used for receiving a target video stream returned by the sharing platform, wherein the target video stream is the video stream returned by the appointed network camera received by the sharing platform through a video networking channel.
The embodiment of the invention has the following advantages:
according to the embodiment of the invention, the target video stream returned by the network camera is transmitted to the browser plug-in of the Internet terminal, and the browser plug-in transcodes the target video stream, so that the target video stream is locally played at the Internet terminal.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flowchart illustrating the steps of an embodiment of a video networking-based video processing method of the present invention;
FIG. 6 is a schematic flow chart of sending a video acquisition request and acquiring a target video stream in an embodiment of a video processing method based on video networking according to the present invention;
fig. 7 is a block diagram of an embodiment of a video processing apparatus based on video network according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network circuit Switching (circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MACSA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
| DA | SA | Reserved | label (R) | Payload | CRC |
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
On the basis of the above-mentioned video network, the video network of the embodiment of the present invention may further include:
the network camera: the method is used for video monitoring of the video network.
Sharing the platform: the system is used for accessing the plurality of network cameras, acquiring the video streams sent by the network cameras and forwarding the video streams sent by the network cameras to the Internet terminal.
Monitoring the access server: the system is used for assisting the sharing platform to remotely access the plurality of cameras and calling the video stream of the network camera.
An internet terminal: the terminal located on one side of the internet cannot be directly connected with the video network, and needs to be communicated with the video network through the video network number.
A monitoring platform: the system is used for monitoring the command sent by the internet terminal, responding to the internet terminal and forwarding the command of the internet terminal to the sharing platform.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a video processing method based on a video network according to the present invention is shown, and the embodiment of the present invention is described from the internet terminal side.
Embodiments of the invention may include the following methods:
a plug-in is a program written in an application program interface that conforms to a specification. It can only run under the system platform specified by the program, and can not run independently from the specified platform. In the embodiment of the present invention, the browser plug-in may be installed in a specified browser, and specifically, may be an IE browser.
In the embodiment of the present invention, the operation triggered by the user in the browser may be that the user selects an assigned webcam from a list of webcams displayed in a browser plug-in, or that the user requests to view video monitoring in the browser, and the browser plug-in randomly selects one webcam as the assigned webcam according to a known list of webcams, which is not limited in this embodiment of the present invention.
In a preferred embodiment of the present invention, the video acquisition request may include a camera identifier and a specified time period; the detecting, by a browser plug-in installed in a browser, an operation triggered by a user in the browser and generating a video acquisition request for a specified webcam may include:
detecting an operation triggered by a user in a browser through a browser plug-in installed in the browser, and determining a camera identification and a designated time period designated by the user;
and generating a video acquisition request aiming at the specified network camera according to the camera identification and the specified time period.
In the embodiment of the present invention, the camera identifier may be a corresponding camera identifier obtained from a network camera list by a browser plug-in a known network camera list according to a network camera selected by a user. The camera identifier may be a name of the camera, a number of the camera, a setting location of the camera, and the like, which is not limited in the present invention.
In the embodiment of the present invention, the specified time period may be a certain period of time in the past specified by the user, or may be real-time video monitoring, which is not limited by the present invention.
in the embodiment of the invention, the target video stream can be originally played only in the video network, and the target video stream is transcoded by the browser plug-in, so that the target video stream can be played in the browser plug-in.
In the embodiment of the invention, after detecting the segment extraction operation, the browser plug-in extracts the corresponding target video segment from the target video stream according to the time information provided in the segment extraction operation.
According to the video processing method based on the video network, the target video stream returned by the network camera is transmitted to the browser plug-in of the internet terminal, and the browser plug-in transcodes the target video stream, so that the target video stream is locally played at the internet terminal.
In an embodiment of the present invention, the video processing method based on the video network may further include the following steps;
and saving the target video clip through a browser plug-in.
In the embodiment of the invention, after the browser plug-in transcodes the target video stream, the target video stream can be played in the browser plug-in, the target video segment extracted from the target video stream is transcoded by the browser plug-in, and after the target video segment is stored to a local specified path of the internet terminal by the browser plug-in, the internet terminal can directly browse the target video segment in the local by using software with a video playing function without being added into the video network again.
In the embodiment of the invention, after receiving the target video stream, the browser can firstly store the transcoded target video stream in the local specified path of the internet terminal, so that a user can repeatedly watch the target video stream in a short time. Without the need to send video acquisition requests frequently. In order to avoid excessive local storage occupation, the target video stream is deleted after a preset time length, and the target video segment is only locally reserved. The browser plug-in can also set a video progress bar in the interface, and a user can drag the video progress bar to quickly jump to different time points to watch the target video stream.
In the embodiment of the present invention, the browser may store the target video segment in any computer-readable multimedia format, such as MPEG4, FLV, RMVB, JPEG, PNG, and the like, without limitation.
According to the video processing method based on the video network, the target video clip is stored to the local of the Internet terminal through the browser plug-in, the Internet terminal can browse the target video clip directly in the local by using software with a video playing function without being added into the video network again to view the target video clip, and the problem that the video network number is frequently occupied is avoided.
Referring to fig. 6, a schematic flow chart of sending a video acquisition request and acquiring a target video stream in an embodiment of a video processing method based on the internet of view according to the present invention is shown.
In an embodiment of the present invention, the step of sending the video acquisition request to the specified webcam 605 includes:
sending the video acquisition request to a monitoring platform 602; the monitoring platform 602 is configured to send the video acquisition request to the sharing platform 603 in a video networking protocol, and the sharing platform 603 sends the video acquisition request to the monitoring access server 604 in the video networking protocol; the monitoring access server 604 is configured to determine, according to the video acquisition request, a network camera 605 corresponding to the video acquisition request, and send the video acquisition request to the network camera 605.
In the embodiment of the present invention, since the browser plug-in 601 is disposed in a browser of an internet terminal and cannot directly contact the network camera 605 in the video network, other devices are required to send a video acquisition request to the network camera 605. The monitoring platform 602 receives the video acquisition request, that is, sends the video acquisition request to the sharing platform 603 on the video network side by using the video network protocol, and responds to the request of the internet terminal. After receiving the video acquisition request, the sharing platform 603 sends the video acquisition request to the monitoring access server 604 in a video networking protocol, and requests the monitoring access server 604 to call a video stream. After receiving the video acquisition request, the monitoring access server 604 acquires the corresponding network camera 605 from the plurality of network cameras 605, and retrieves a target video stream of the specified network camera 605 in a specified time period.
In the embodiment of the present invention, the video stream of the network camera 605 may be stored inside the network camera 605, or may be transmitted back to the sharing platform 603 in real time, and stored by the sharing platform 603. When the specified time period in the video acquisition request is a certain period of time in the past, the target video stream may be acquired from the storage of the webcam 605 or may be acquired from the sharing platform 603.
According to the video processing method based on the video network, the monitoring platform 602 is used for contacting the internet terminal and the sharing platform 603 in the video network, and the sharing platform 603 and the monitoring access server 604 are used for calling the video stream of the network camera 605, so that the video acquisition request of the internet terminal can be sent to the video network, and the video monitoring required by the user can be obtained.
Referring to fig. 6, a schematic flow chart of sending a video acquisition request and acquiring a target video stream in an embodiment of a video processing method based on the internet of view according to the present invention is shown.
In an embodiment of the present invention, the step of receiving the target video stream returned by the designated webcam 605 via the video networking channel includes:
and receiving a target video stream returned by the sharing platform 603, wherein the target video stream is a video stream returned by the specified network camera 605 received by the sharing platform 603 through a video network channel.
In the embodiment of the present invention, the sharing platform 603 receives the specified webcam 605, and then the sharing platform 603 returns the target video stream to the browser plug-in 601, and the browser plug-in 601 transcodes the target video stream and plays the target video stream. The sharing platform 603 can convert the target video stream returned via the video networking channel into the internet general protocol to be sent to the browser plug-in 601. Specifically, the target video stream may be selected to be sent to the browser plug-in 601 in the RTP protocol.
According to the video processing method based on the video network, originally, a target video stream needs to be transmitted back to the sharing platform 603, an internet terminal is added into the video network through a video network number, the target video stream is checked on the sharing platform 603, and when a target video clip needs to be acquired, the sharing platform 603 intercepts the target video clip and stores the target video clip in the sharing platform 603. The target video stream can now be sent to the browser plug-in 601, making it possible to view the target video stream locally at the internet terminal and save the target video segment via the browser plug-in 601.
In an embodiment of the present invention, the interface of the browser plug-in includes a screen capture and/or video recording control, and the extracting the corresponding target video segment includes extracting a corresponding target screen capture image and/or a target video recording video;
the step of detecting a segment extraction operation comprises:
and when the condition that the user clicks the screen capture and/or video recording control is detected, judging that the fragment extraction operation is detected.
In the embodiment of the invention, in order to enable the browser to have a function of transcoding the target video stream, a browser plug-in may be installed in the browser, and the browser plug-in may include a video viewing interface, where the video viewing interface includes a network camera list, and further includes a screen capture and/or video recording control.
In the embodiment of the invention, if the user does not install the browser plug-in the browser, the browser plug-in installation request is sent to the monitoring platform, the monitoring platform returns the browser plug-in installation package to the internet terminal, and the user installs the browser plug-in.
In the embodiment of the invention, the extraction of the corresponding target video clip comprises the extraction of a corresponding target screen capture image and/or a target video, when a user clicks a screen capture control, a time period is designated as a time period with the starting point time being the same as the ending point time, and the target video clip is a target screen capture image corresponding to the time period; when the user clicks the video recording control, the starting point of the specified time period is the time period when the user clicks the video recording control for the first time, the end point of the specified time period is the time period when the user clicks the video recording control again, the specified time period is the time period with the starting point time different from the end point time, and the target video segment is the target video recording video corresponding to the time period.
According to the video processing method based on the video networking, provided by the embodiment of the invention, the screen capture and/or video recording control is/are arranged on the interface of the browser plug-in, so that a user can conveniently capture a screenshot or video recording of a target video stream in time, and a required target video clip can be quickly obtained without sending a video obtaining request again.
As shown in fig. 7, a block diagram of an embodiment of a video processing apparatus based on video network according to an embodiment of the present invention is shown, and the apparatus may include the following modules:
a video acquisition request generation module 701, configured to detect, through a browser plug-in installed in a browser, an operation triggered by a user in the browser, and generate a video acquisition request for a specified network camera;
a video obtaining request sending module 702, configured to send the video obtaining request to the specified network camera;
a target video stream receiving module 703, configured to receive a target video stream returned by the specified network camera through a video networking channel;
a target video stream playing module 704, configured to play the target video stream in the browser plug-in;
the target video segment extracting module 705 is configured to, in the process of playing the target video stream, extract a corresponding target video segment from the target video stream when a segment extracting operation is detected.
In a preferred embodiment of the present invention, the apparatus may further include the following modules:
and the target video clip storage module is used for storing the target video clip through a browser plug-in.
In a preferred embodiment of the present invention, the video acquisition request includes a camera identifier and a specified time period
The video acquisition request generation module specifically includes:
the camera identification and designated time period acquisition submodule is used for detecting the operation triggered by a user in the browser through a browser plug-in installed in the browser and determining the camera identification and the designated time period designated by the user;
a video acquisition request generation submodule: and the video acquisition request aiming at the specified network camera is generated according to the camera identification and the specified time period.
In a preferred embodiment of the present invention, the video obtaining request sending module specifically includes:
the video acquisition request sending submodule is used for sending the video acquisition request to a monitoring platform; the monitoring platform is used for sending the video acquisition request to a sharing platform by using a video networking protocol, and sending the video acquisition request to a monitoring access server by using the video networking protocol through the sharing platform; and the monitoring access server is used for determining a network camera corresponding to the video acquisition request according to the video acquisition request and sending the video acquisition request to the network camera.
In a preferred embodiment of the present invention, the target video stream receiving module specifically includes:
and the target video stream receiving submodule is used for receiving a target video stream returned by the sharing platform, wherein the target video stream is the video stream returned by the appointed network camera received by the sharing platform through a video networking channel.
In a preferred embodiment of the present invention, the interface of the browser plug-in includes a screen capture and/or video recording control, and the extracting the corresponding target video segment includes extracting a corresponding target screen capture image and/or a target video recording video;
the detecting of the segment extraction operation in the video acquisition request generation module specifically includes:
and when the condition that the user clicks the screen capture and/or video recording control is detected, judging that the fragment extraction operation is detected.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of 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, embodiments of 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.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (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 terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, 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 terminal 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 terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The electronic focusing method and the electronic focusing device of the camera provided by the invention are introduced in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A video processing method based on video networking, the method comprising:
detecting operation triggered by a user in a browser through a browser plug-in installed in the browser, and generating a video acquisition request for a specified network camera;
sending the video acquisition request to the specified network camera;
receiving a target video stream returned by the appointed network camera through a video networking channel;
playing the target video stream in the browser plug-in;
and in the process of playing the target video stream, when a segment extraction operation is detected, extracting a corresponding target video segment from the target video stream.
2. The video networking-based video processing method of claim 1, wherein the method further comprises:
and saving the target video clip through a browser plug-in.
3. The video processing method based on the video networking of claim 1, wherein the video acquisition request comprises a camera identification and a specified time period; the method for detecting the operation triggered by the user in the browser and generating the video acquisition request aiming at the specified network camera by the browser plug-in installed in the browser comprises the following steps:
detecting an operation triggered by a user in a browser through a browser plug-in installed in the browser, and determining a camera identification and a designated time period designated by the user;
and generating a video acquisition request aiming at the specified network camera according to the camera identification and the specified time period.
4. The video processing method based on the video network according to any one of claims 1 to 3, wherein the step of sending the video acquisition request to the specified network camera comprises:
sending the video acquisition request to a monitoring platform; the monitoring platform is used for sending the video acquisition request to a sharing platform by using a video networking protocol, and sending the video acquisition request to a monitoring access server by using the video networking protocol through the sharing platform; and the monitoring access server is used for determining a network camera corresponding to the video acquisition request according to the video acquisition request and sending the video acquisition request to the network camera.
5. The video-networking-based video processing method according to any one of claims 1 to 3, wherein the step of receiving the target video stream returned by the specified network camera via a video networking channel comprises:
and receiving a target video stream returned by the sharing platform, wherein the target video stream is the video stream returned by the appointed network camera received by the sharing platform through a video networking channel.
6. The video processing method based on the video network of any one of claims 1 to 3, wherein the interface of the browser plug-in comprises a screen capture and/or video recording control, and the extracting of the corresponding target video clip comprises extracting a corresponding target screen capture image and/or a target video recording;
the step of detecting a segment extraction operation comprises:
and when the condition that the user clicks the screen capture and/or video recording control is detected, judging that the fragment extraction operation is detected.
7. An apparatus for video processing based on a video network, the apparatus comprising:
the video acquisition request generation module is used for detecting the operation triggered by a user in the browser through a browser plug-in installed in the browser and generating a video acquisition request aiming at a specified network camera;
the video acquisition request sending module is used for sending the video acquisition request to the specified network camera;
the target video stream receiving module is used for receiving the target video stream returned by the appointed network camera through the video networking channel;
the target video stream playing module is used for playing the target video stream in the browser plug-in;
and the target video clip extraction module is used for extracting a corresponding target video clip from the target video stream when the clip extraction operation is detected in the process of playing the target video stream.
8. The video-networking based video processing apparatus of claim 7, wherein the apparatus further comprises:
and the target video clip storage module is used for storing the target video clip through a browser plug-in.
9. The video networking-based video processing apparatus of claim 7, wherein the video acquisition request comprises a camera identification and a specified time period
The video acquisition request generation module specifically includes:
the camera identification and designated time period acquisition submodule is used for detecting the operation triggered by a user in the browser through a browser plug-in installed in the browser and determining the camera identification and the designated time period designated by the user;
a video acquisition request generation submodule: and the video acquisition request aiming at the specified network camera is generated according to the camera identification and the specified time period.
10. The video-networking-based video processing apparatus according to any one of claims 7 to 9, wherein the target video stream receiving module specifically comprises:
and the target video stream receiving submodule is used for receiving a target video stream returned by the sharing platform, wherein the target video stream is the video stream returned by the appointed network camera received by the sharing platform through a video networking channel.
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