CN111064916A - Video call method and device, electronic equipment and storage medium - Google Patents
Video call method and device, electronic equipment and storage medium Download PDFInfo
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- CN111064916A CN111064916A CN201911215479.XA CN201911215479A CN111064916A CN 111064916 A CN111064916 A CN 111064916A CN 201911215479 A CN201911215479 A CN 201911215479A CN 111064916 A CN111064916 A CN 111064916A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
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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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
Abstract
The embodiment of the invention provides a video call method, a video call device, electronic equipment and a storage medium, wherein the method is applied to a video network, the video network is communicated with the Internet, the video network comprises a video network terminal, the Internet comprises an Internet terminal, a coding and decoding server and a web server, a browser is arranged in the Internet terminal, and the Internet terminal is also connected with multimedia equipment. In the embodiment of the invention, as long as the browser can support the hypertext markup language, the video call with the video networking terminal can be realized by using the embodiment of the invention, so that the condition that the video call with the video networking terminal can be realized only by using the browser supporting the ActiveX technology when the video call with the video networking terminal is required is improved, and convenience is provided for users.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method and an apparatus for video call, an electronic device, and a storage medium.
Background
The video networking is a real-time network, can realize the real-time transmission of full network high definition video, pushes numerous internet applications to high definition video, and high definition is face to face.
In the prior art, if an internet terminal needs to perform a video call with an internet-of-view terminal through a browser, the browser must support an ActiveX technology, but at present, all browsers do not support the ActiveX technology, for example, a googlechorome browser cannot support the ActiveX technology, so that a user cannot communicate with the internet-of-view terminal through the browser, and when the user needs to perform a video call with the internet-of-view terminal, the user using the browser must switch to other browsers supporting the ActiveX technology to perform a video call with the internet-of-view terminal, which is easy to bring inconvenience to the user.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are provided to provide a method for video call and a corresponding apparatus, electronic device and storage medium for video call, which overcome or at least partially solve the above problems.
In order to solve the above problem, an aspect of the embodiments of the present invention discloses a method for video call, where the method is applied to a video network, the video network communicates with an internet, the video network includes a video network terminal, the internet includes an internet terminal, a codec server and a web server, the internet terminal is provided with a browser, and the internet terminal is further connected to a multimedia device, and the method includes:
the internet terminal accesses the web server through the browser to obtain a target HTML page; the target HTML page comprises a preset script;
the Internet terminal initiates a call connection request with the video networking terminal;
if the internet terminal receives a response signaling aiming at the call connection request, the internet terminal executes the preset script;
the internet terminal acquires first call data from the multimedia equipment through the preset script, sends the first call data to the coding and decoding server for coding and corotation, and sends the coded and corotation data to the video networking terminal through the coding and decoding server;
and the internet terminal receives second communication data from the coding and decoding server and plays the second communication data on the target HTML page, wherein the sending end of the second communication data is the video network terminal and carries out protocol conversion and decoding processing through the coding and decoding server.
Optionally, in the method, the multimedia device includes a camera, a microphone, and a speaker, and the target HTML page further includes a video element;
the internet terminal obtains first call data from the multimedia equipment through the preset script, sends the first call data to the coding and decoding server for coding and corotation, and sends the data after coding and corotation to the video networking terminal through the coding and decoding server, and the method comprises the following steps:
the internet terminal starts the camera, the microphone and the loudspeaker through the preset script;
acquiring video data shot by the camera and audio data recorded by the microphone, and forming first call data by the video data and the audio data;
sending the first call data to the coding and decoding server for coding and corotation, and sending the data subjected to coding and corotation to the video networking terminal through the coding and decoding server;
the internet terminal receives second communication data from the coding and decoding server and plays the second communication data on the target HTML page, and the method comprises the following steps:
acquiring second communication data from the coding and decoding server;
acquiring second communication data from the co-transfer server;
and reading the video data in the second communication data by using the video element, displaying the image in a target HTML page, reading the audio data in the second communication data by using the video element, and playing the audio data by using the loudspeaker.
Optionally, in the method, the initiating, by the internet terminal, a call connection request with the video networking terminal includes:
the internet terminal sends a call signaling to the web server, wherein the call signaling comprises identity information of a video network terminal, and the call signaling is sent to the video network terminal through the web server;
the method further comprises the following steps:
and if the Internet terminal receives the response signaling forwarded by the web server, establishing call connection with the video networking terminal.
Optionally, in the method, an input box for inputting the call signaling is set in the target HTML page; the internet terminal initiates a call connection request with the video networking terminal, and the method further comprises the following steps:
and the Internet terminal acquires the call signaling from the input frame of the target HTML page.
The invention also provides a device for carrying out video call, wherein the device is applied to a video network, the video network is communicated with the internet, the video network comprises a video network terminal, the internet comprises an internet terminal, a coding and decoding server and a web server, a browser is arranged in the internet terminal, and the internet terminal is also connected with multimedia equipment, and the device comprises:
the page acquisition module is used for accessing the web server through the browser to acquire a target HTML page; the target HTML page comprises a preset script;
the conversation request module is used for initiating a conversation connection request with the video networking terminal;
the script execution module is used for executing the preset script when the mobile terminal receives a response signaling aiming at the call connection request;
the first call module is used for acquiring first call data from the multimedia equipment through the preset script, sending the first call data to an encoding and decoding server for encoding processing and protocol conversion processing, and sending the data subjected to the encoding processing and the protocol conversion processing to the video networking terminal through the encoding and decoding server;
and the second communication module is used for receiving second communication data from the protocol conversion server and playing the second communication data on the target HTML page, wherein a sending end of the second communication data is the video network terminal, and the protocol conversion and decoding processing is carried out by the coding and decoding server.
Optionally, in the apparatus, the multimedia device includes a camera, a microphone, and a speaker, and the target HTML page further includes a video element;
the first call module includes:
the multimedia equipment starting unit is used for starting the camera, the microphone and the loudspeaker through the preset script;
a first call data acquisition unit configured to acquire video data photographed by the camera and audio data recorded by the microphone, the first call data being formed by the video data and the audio data;
the first call data sending unit is used for sending the first call data to the coding and decoding server for coding processing and corotation processing, and sending the data subjected to the coding processing and the corotation processing to the video networking terminal through the coding and decoding server;
the second communication data module comprises:
a second communication data obtaining unit, configured to obtain second communication data from the collaboration server;
and the second communication data playing unit is used for reading the video data in the second communication data by using the video element and displaying the image in the target HTML page, and reading the audio data in the second communication data by using the video element and playing the audio data by using the loudspeaker.
Optionally, in the apparatus described herein,
the call request module is specifically configured to send a call signaling to the web server, where the call signaling includes identity information of a video networking terminal, and the call signaling is sent to the video networking terminal via the web server;
the device further comprises: and the call connection establishing module is used for establishing call connection with the video network terminal if the Internet terminal receives the response signaling forwarded by the web server.
Optionally, in the apparatus, an input box for inputting the call signaling is provided in the target HTML page;
the call request module is further configured to obtain the call signaling from the input box of the target HTML page.
The embodiment of the invention also discloses a device, which comprises:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform one or more methods of video telephony as described in embodiments of the invention.
The embodiment of the invention also discloses a storage medium which stores a computer program to enable a processor to execute the method for video call.
The embodiment of the invention has the following advantages:
the embodiment of the invention utilizes the characteristic that the browser supports the hypertext markup language, when the internet terminal accesses the web server through the browser, obtaining a target HTML page including a preset script, and displaying the target HTML page on a browser, then the internet terminal initiates a call connection request with the video network terminal, and after receiving a response signaling aiming at the call connection request, the internet terminal executes the preset script, acquires first call data from the multimedia equipment by using the preset script, and the first call data is sent to the video network terminal after being coded and co-converted by the coding and decoding server, and receiving second communication data from the codec server and playing the second communication data on the target HTML page, therefore, the internet terminal can realize the video call with the video networking terminal by using the browser. In the embodiment of the invention, as long as the browser can support the hypertext markup language, the video call with the video networking terminal can be realized by using the embodiment of the invention, so that the condition that the video call with the video networking terminal can be realized only by using the browser supporting the ActiveX technology when the video call with the video networking terminal is required is avoided, and convenience is provided for users.
Drawings
FIG. 1 is a flow chart of the steps of a method embodiment of a video call of the present invention;
FIG. 2 is a schematic communication flow diagram of a video call method according to the present invention;
FIG. 3 is a block diagram of an embodiment of a video call apparatus according to the present invention;
FIG. 4 is a networking schematic of a video network of the present invention;
FIG. 5 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 6 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 7 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway 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.
In view of the universality of hypertext markup language (HTML), the embodiment of the invention realizes the 1-to-1 video call service of the internet terminal and the video network terminal based on the HTML page.
Referring to fig. 1, fig. 1 is a flowchart illustrating steps of a method for video call according to an embodiment of the present invention, where the method is applied to a video network, the video network communicates with an internet, the video network includes a collaboration server and a video network terminal, the internet includes an internet terminal and a web server, the internet terminal is provided with a browser, and the internet terminal is further connected to a multimedia device, and the method may specifically include steps 101 to 105.
In this step, a target HTML page is set in advance in the web server, and the browser may be a browser supporting the hypertext markup language, such as a google chrome browser. The target HTML page is provided with a preset script, when the Internet terminal needs to carry out video call with the video networking terminal, the target HTML page can be obtained by accessing the web server through the browser, and the target HTML page is loaded onto the browser. The target HTML page may be specifically an HTML5 page, and the preset script is a software program that can open a multimedia device connected to the internet terminal.
In practical application, the URL address of the web server may be input in the browser, the web server is accessed according to the address, and the target HTML page may be obtained when the web server is accessed through the browser.
And 102, the Internet terminal initiates a call connection request with the video networking terminal.
In this step, the internet terminal may initiate a call connection request with the video network terminal by using the browser, and then monitor whether there is a response signaling sent by the video network terminal for the call connection request. If the response signaling aiming at the call connection request exists, the video networking terminal passes the call connection request, so that the call data transmission can be carried out.
In this step, if the internet terminal receives a response signaling for the call connection request, it indicates that the internet terminal is allowed to make a call with the video network terminal, so that the internet terminal executes a preset script on the target HTML page, and then the internet terminal can obtain call data through the preset script.
In practical application, if the internet terminal receives a response signaling for the call connection request, the internet terminal executes a preset script in the target HTML page through a browser.
And step 104, the internet terminal acquires first call data from the multimedia equipment through the preset script, sends the first call data to the coding and decoding server for coding and protocol conversion, and sends the coded and protocol converted data to the video network terminal through the coding and decoding server.
In the step, the internet terminal executes the preset script through the browser, the multimedia device connected with the internet terminal is started by using the preset script, and then first call data can be obtained from the multimedia device, the first call data are sent to the coding and decoding server through the browser through the network card of the internet terminal, the coding and decoding server sequentially codes and co-converts the first call data so as to convert the first call data into video networking data, then the coding and decoding server sends the video networking data to the video networking core server, and then the video networking core server sends the video networking data to the video networking terminal, and then the video networking terminal can play and display the video networking data, so that the video data on the internet terminal side can be displayed on the video networking terminal side.
And 105, the internet terminal receives second communication data from the coding and decoding server and plays the second communication data on the target HTML page, wherein a sending end of the second communication data is the video network terminal and carries out the coordination processing and the decoding processing through the coding and decoding server.
In this step, the internet terminal receives the second communication data from the codec server, and a transmitting end of the second communication data is the video networking terminal. That is, after the internet terminal receives the response signaling for the call connection request, the video network terminal sends the video data on one side of the video network terminal to the coding and decoding server through the video network core server, then the coding and decoding server performs the meaning conversion into the internet data to form second call data, then the coding and decoding server sends the second call data to the internet terminal, and then the browser plays the second call data on a target HTML page, thereby realizing the display of the video data on the video network terminal side on the internet terminal side.
As can be seen from the above steps 104 and 105, in the embodiment of the present invention, the video encoding is not performed on the browser, but the encoding and decoding process of the data is performed on the encoding and decoding server; in addition, in the embodiment of the invention, the protocol conversion function is integrated by the coding and decoding server, and the protocol conversion server does not need to be arranged. The codec server may encode video data in the first call data received from the internet terminal into an H264 format, and encode audio therein into an AAC format.
The method for video call provided by the embodiment of the invention utilizes the characteristic that the browser supports the hypertext markup language, obtaining a target HTML page including a preset script when an Internet terminal accesses a web server via the browser, and displaying the target HTML page on the browser, then the internet terminal initiates a call connection request with the video network terminal, and after receiving a response signaling aiming at the call connection request, the internet terminal executes the preset script, acquires first call data from the multimedia equipment by using the preset script, and sends the first call data to the coordination server, and receiving second communication data from the collaboration server and playing the second communication data on the target HTML page, therefore, the internet terminal can realize the video call with the video networking terminal by using the browser. The video call method in the embodiment of the invention can be used for realizing the video call with the video network terminal as long as the browser supports hypertext markup language, so that the condition that the video call with the video network terminal can be realized only by using the browser supporting the ActiveX technology when the video call with the video network terminal is required is avoided, and convenience is provided for users.
In a preferred embodiment of the present invention, the step 102 specifically includes:
the internet terminal sends a call signaling to the web server, wherein the call signaling comprises identity information of the video networking terminal and is sent to the internet terminal through the web server;
the method further comprises the following steps:
and if the Internet terminal receives the response signaling forwarded by the web server, establishing call connection with the video networking terminal.
In the embodiment of the invention, the internet terminal side firstly generates the call signaling containing the identity information of the video network terminal, then the call signaling sends a packet to the web server through the network equipment of the internet terminal, and then the web server forwards the call signaling to the video network terminal according to the identity information in the call signaling, so that a call connection request is initiated to the video network terminal to request the establishment of the call connection between the internet terminal and the video network terminal, specifically, the establishment of the call connection between the network equipment of the internet terminal and the network equipment of the video network terminal is requested. The network device may be a network card.
In the embodiment of the invention, the Internet terminal enters the monitoring state after sending the call signaling to the video networking terminal, and if the Internet terminal side receives the response signaling forwarded by the web server, the sending end of the response signaling is the video networking terminal. The receiving of the response signaling indicates that the video network terminal allows the internet terminal to perform video call with the video network terminal, so that call connection with the video network terminal can be established. If the internet terminal does not receive the response signaling, the video network terminal does not allow the internet terminal to carry out video call with the internet terminal at present, so that call connection with the video network terminal cannot be established.
In actual use, the call signaling is forwarded to the video networking core server by the web server, the video networking terminal is in communication connection with the video networking core server, and then the video networking core server determines whether the video networking terminal can carry out video call with the internet terminal currently. And if the video networking terminal can carry out video call with the Internet terminal currently, the video networking core server sends a response signaling aiming at the call signaling to the web server, and the response signaling is forwarded to the Internet terminal by the web server. And if the video networking terminal cannot carry out video call with the Internet terminal at present, the video networking core server does not send a response signaling aiming at the call signaling to the web server.
Optionally, an input box for inputting the call signaling is arranged in the target HTML page; the step 102 further includes:
and the Internet terminal acquires the call signaling from the input frame of the target HTML page.
In other words, in the embodiment of the present invention, the call signaling for requesting the establishment of the call connection with the video networking terminal is generated after being input by the input box of the target HMTL page, where the call signaling includes the identity information of the video networking terminal, and then the content of the input box is sent to the web server as the call signaling through the browser, and further sent to the video networking terminal by the web server.
In practical use, a call button is further arranged on the target HTML page and used for initiating a call connection request. When the call button is triggered, the browser sends the content of the input frame to a web server as a call signaling, and then the web server sends the content to the video network terminal.
Optionally, the multimedia device includes a camera, a microphone and a speaker, and the target HTML page further includes a video element; the step 104 specifically includes steps 411 to 413.
And 411, the internet terminal starts the camera, the microphone and the loudspeaker through the preset script.
In this step, the preset script may be executed by the browser, and then a camera, a microphone, and a speaker connected to the internet terminal may be turned on.
Specifically, the predetermined script may be mediadevices, getusermedia (), and when the predetermined script is run, the interface prompts the user to give permission to use the multimedia device input, which generates a media stream (MediaStream) containing the requested multimedia type track. The track may comprise a video track and an audio track; wherein the video track is from a hardware or virtual video source such as a camera, video capture device, screen sharing service, etc., and the audio track is from a hardware or virtual audio source such as a microphone, a/D converter, etc.); tracks of other media types may also be currently included.
And step 412, acquiring video data shot by the camera and audio data recorded by the microphone, and forming the first call data by the video data and the audio data.
In the step, the internet terminal controls the browser to obtain video data shot by a camera started by a preset script and audio data recorded by the microphone, and then the video data and the audio data are packaged to form the first call data.
Step 413, sending the first call data to the codec server for encoding and corotation, and sending the encoded and corotation data to the video network terminal through the codec server.
In the step, the internet terminal controls the browser to send the first call data to the coding and decoding server through the network equipment of the internet terminal, when the coding and decoding server receives the first call data, the coding and decoding server firstly codes the first call data, then the coded data is transferred to the video networking data, and then the transferred video networking data is sent to the corresponding video networking terminal for the video networking terminal to play, so that the video signal at the internet terminal side is presented at the video networking terminal side.
Correspondingly, the step 105 specifically includes steps 511 to 512
Step 511, obtaining the second communication data from the coding and decoding server.
In this step, the internet terminal controls the browser to obtain second communication data from the codec server via the network device of the internet terminal, where a sending end of the second communication data is a video network terminal that has established a communication connection with the internet terminal, and the second communication data has been transferred to internet data by the codec server and is decoded by the codec server.
Step 512, reading the video data in the second communication data by using the video element, displaying the image in the target HTML page, reading the audio data in the second communication data by using the video element, and playing the audio data by using the speaker.
In this step, after the internet terminal controls the browser to obtain the second call data, the browser displays the video data in the second call data on the target HTML page by using the video element, and simultaneously, the browser plays the audio data in the second call data through the speaker by using the video element, so that the video signal at the video network terminal side is presented at the internet terminal side.
In practical use, the video element may be < video >, and the browser may display the image in the second call data to the page through < video > in the target HTML page and in combination with JavaScript.
Optionally, the internet further comprises an encoding and decoding server, and the encoding and decoding server is connected with the internet terminal and the cooperative server;
in the embodiment of the invention, the first call data acquired by the multimedia equipment is sent to the coding and decoding server through the network equipment by the browser for coding and corotation, and then the coding and corotation are processed into the video networking data by the coding and decoding server. And after the video data sent by the video networking terminal is acquired at the coding and decoding server and is transferred into the internet data, the internet data is continuously decoded at the coding and decoding server, then the coding and decoding server sends the decoded data to the network equipment of the internet terminal, and then the browser can read the video data in the decoded data by using the video element and display the image in a target HTML page, and read the audio data in the decoded data by using the video element and play the audio data by using the loudspeaker.
Correspondingly, before the video network terminal plays the video network data forwarded by the coding and decoding server, decoding processing is also required; before the video network terminal sends the video data of the video network terminal side to the codec server, the video data of the video network terminal side also needs to be encoded to compress the data, so as to reduce the usage amount of network bandwidth and facilitate data transmission.
Referring to fig. 2, fig. 2 shows a specific communication flow of the video call method provided in the embodiment of the present invention, when the PC terminal 10 is to perform a video call with the video network terminal 40, the PC terminal 10chrome browser accesses the web server 20 to obtain a target HTML page, generates a call signaling including the identity information of the video network terminal through the page, forwards the call signaling to the video network core server 30 via the web server 20, and when the video network core server 30 determines that the video call with the video network terminal 40 can be performed, the video network core server 30 feeds back a response signaling to the PC terminal 10 via the web server 20, thereby establishing a call connection between the PC terminal 10 and the video network terminal 40;
after establishing the call connection between the PC terminal 10 and the video network terminal 40, the browser sends the uncoded first call data of the PC terminal 10 to the codec server 50 for coding and video network protocol conversion, and then sends the uncoded first call data to the video network core server 30, and further sends the uncoded first call data to the video network terminal 40 through the video network core server 30; meanwhile, the video network core server 30 performs internet protocol conversion and decoding processing on the encoded second communication data sent by the video network terminal 40 via the codec server, and then the codec server 50 sends the decoded second communication data to the PC terminal 10.
In summary, the method for video call provided in the embodiment of the present invention utilizes the characteristic that the browser supports the hypertext markup language, when the internet terminal accesses the web server through the browser, the internet terminal obtains the target HTML page including the preset script, displays the target HTML page on the browser, then initiates the call connection request with the video network terminal through the target HTML page, and after receiving the response signaling for the call connection request, triggers and executes the preset script, obtains the first call data from the multimedia device by using the preset script, sends the first call data to the video network terminal after the first call data is encoded and co-converted by the codec server, and receives the second call data which is co-converted and decoded by the codec server from the codec server, and playing the second communication data on the target HTML page, so that the Internet terminal can realize the video communication with the video networking terminal by using a browser. The video call method in the embodiment of the invention can be used for realizing the video call with the video network terminal as long as the browser supports hypertext markup language, so that the condition that the video call with the video network terminal can be realized only by using the browser supporting the ActiveX technology when the video call with the video network terminal is required is avoided, and convenience is provided for users.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 3, a block diagram of an embodiment of an apparatus for performing a video call according to the present invention is shown, where the apparatus is applied in a video network, the video network communicates with the internet, the video network includes a video network terminal, the internet includes an internet terminal, a codec server and a web server, the internet terminal is provided with a browser therein, and the internet terminal is further connected to a multimedia device, and the apparatus includes:
a page obtaining module 310, configured to access the web server via the browser to obtain a target HTML page; the target HTML page comprises a preset script;
a call request module 320, configured to initiate a call connection request with the video networking terminal;
the script execution module 330 is configured to execute the preset script when the mobile terminal receives a response signaling for the call connection request;
the first call module 340 is configured to obtain first call data from the multimedia device via the preset script, send the first call data to an encoding and decoding server for encoding and protocol conversion, and send the encoded and protocol converted data to the video networking terminal via the encoding and decoding server;
and a second communication module 350, configured to receive second communication data from the protocol conversion server, and play the second communication data on the target HTML page, where a sending end of the second communication data is the video networking terminal, and the protocol conversion and decoding are performed by the codec server.
Optionally, in the apparatus, the multimedia device includes a camera, a microphone, and a speaker, and the target HTML page further includes a video element;
the first call module 340 includes:
the multimedia equipment starting unit is used for starting the camera, the microphone and the loudspeaker through the preset script;
a first call data acquisition unit configured to acquire video data photographed by the camera and audio data recorded by the microphone, the first call data being formed by the video data and the audio data;
the first call data sending unit is used for sending the first call data to the coding and decoding server for coding processing and corotation processing, and sending the data subjected to the coding processing and the corotation processing to the video networking terminal through the coding and decoding server;
the second communication module 350 includes:
a second communication data obtaining unit, configured to obtain second communication data from the collaboration server;
and the second communication data playing unit is used for reading the video data in the second communication data by using the video element and displaying the image in the target HTML page, and reading the audio data in the second communication data by using the video element and playing the audio data by using the loudspeaker.
Optionally, in the apparatus described herein,
the call request module 320 is specifically configured to send a call signaling to the web server, where the call signaling includes identity information of a video networking terminal, and the call signaling is sent to the video networking terminal via the web server;
the device further comprises: and the call connection establishing module is used for establishing call connection with the video network terminal if the Internet terminal receives the response signaling forwarded by the web server.
Optionally, in the apparatus, an input box for inputting the call signaling is provided in the target HTML page;
the call request module 320 is further configured to obtain the call signaling from the input box of the target HTML page.
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.
An embodiment of the present invention further provides an apparatus, including:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform one or more methods of video telephony as described in embodiments of the invention.
Embodiments of the present invention further provide a computer-readable storage medium storing a computer program for enabling a processor to execute the method for video call according to the embodiments of the present invention.
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. 4, 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. 5, 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. 6, the network interface module (downlink network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304 are mainly included;
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 incoming data packet of the CPU module 304 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 308 is configured by the CPU module 304, 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 gateway:
as shown in fig. 7, 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.
Based on the characteristics of the video network, one of the core concepts of the embodiments of the present invention is provided, which follows a protocol of the video network, and utilizes a characteristic that a browser supports hypertext markup language, a preset target HTML page is preset for a web server, and a preset script is set on the page, the preset script can acquire data from a multimedia device connected to an internet terminal, when the internet terminal needs to communicate with the video network terminal by using the browser, the browser sends data of a video acquired by the preset script from the multimedia device to the video network terminal, and the browser displays the video data acquired from the video network terminal side on the target HTML page.
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 method, the apparatus, the electronic device and the storage medium for video call provided by the present invention are described in detail above, and a specific example is applied in the text to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present 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 method for video call is applied to a video network, the video network is communicated with the Internet, the video network comprises a video network terminal, the Internet comprises an Internet terminal, a coding and decoding server and a web server, a browser is arranged in the Internet terminal, and the Internet terminal is also connected with a multimedia device, and the method comprises the following steps:
the internet terminal accesses the web server through the browser to obtain a target HTML page; the target HTML page comprises a preset script;
the Internet terminal initiates a call connection request with the video networking terminal;
if the internet terminal receives a response signaling aiming at the call connection request, the internet terminal executes the preset script;
the internet terminal acquires first call data from the multimedia equipment through the preset script, sends the first call data to the coding and decoding server for coding and corotation, and sends the coded and corotation data to the video networking terminal through the coding and decoding server;
and the internet terminal receives second communication data from the coding and decoding server and plays the second communication data on the target HTML page, wherein the sending end of the second communication data is the video network terminal and carries out protocol conversion and decoding processing through the coding and decoding server.
2. The method of claim 1, wherein the multimedia device comprises a camera, a microphone and a speaker, and the target HTML page further comprises a video element;
the internet terminal obtains first call data from the multimedia equipment through the preset script, sends the first call data to the coding and decoding server for coding and corotation, and sends the data after coding and corotation to the video networking terminal through the coding and decoding server, and the method comprises the following steps:
the internet terminal starts the camera, the microphone and the loudspeaker through the preset script;
acquiring video data shot by the camera and audio data recorded by the microphone, and forming first call data by the video data and the audio data;
sending the first call data to the coding and decoding server for coding and corotation, and sending the data subjected to coding and corotation to the video networking terminal through the coding and decoding server;
the internet terminal receives second communication data from the coding and decoding server and plays the second communication data on the target HTML page, and the method comprises the following steps:
acquiring second communication data from the coding and decoding server;
and reading the video data in the second communication data by using the video element, displaying the image in a target HTML page, reading the audio data in the second communication data by using the video element, and playing the audio data by using the loudspeaker.
3. The method of claim 1, wherein the internet terminal initiating a call connection request with the video network terminal comprises:
the internet terminal sends a call signaling to the web server, wherein the call signaling comprises identity information of a video network terminal, and the call signaling is sent to the video network terminal through the web server;
the method further comprises the following steps:
and if the Internet terminal receives the response signaling forwarded by the web server, establishing call connection with the video networking terminal.
4. The method according to claim 3, wherein an input box for inputting the call signaling is arranged in the target HTML page; the internet terminal initiates a call connection request with the video networking terminal, and the method further comprises the following steps:
and the Internet terminal acquires the call signaling from the input frame of the target HTML page.
5. The utility model provides a carry out video conversation's device, its characterized in that, the device is applied to in the video networking, the video networking is communication with the internet, the video networking includes the video networking terminal, the internet includes internet terminal, coding and decoding server and web server, be provided with the browser in the internet terminal, the internet terminal still is connected with multimedia device, the device includes:
the page acquisition module is used for accessing the web server through the browser to acquire a target HTML page; the target HTML page comprises a preset script;
the conversation request module is used for initiating a conversation connection request with the video networking terminal;
the script execution module is used for executing the preset script when the mobile terminal receives a response signaling aiming at the call connection request;
the first call module is used for acquiring first call data from the multimedia equipment through the preset script, sending the first call data to an encoding and decoding server for encoding processing and protocol conversion processing, and sending the data subjected to the encoding processing and the protocol conversion processing to the video networking terminal through the encoding and decoding server;
and the second communication module is used for receiving second communication data from the protocol conversion server and playing the second communication data on the target HTML page, wherein a sending end of the second communication data is the video network terminal, and the protocol conversion and decoding processing is carried out by the coding and decoding server.
6. The apparatus of claim 1, wherein the multimedia device comprises a camera, a microphone and a speaker, and the target HTML page further comprises a video element;
the first call module includes:
the multimedia equipment starting unit is used for starting the camera, the microphone and the loudspeaker through the preset script;
a first call data acquisition unit configured to acquire video data photographed by the camera and audio data recorded by the microphone, the first call data being formed by the video data and the audio data;
the first call data sending unit is used for sending the first call data to the coding and decoding server for coding processing and corotation processing, and sending the data subjected to the coding processing and the corotation processing to the video networking terminal through the coding and decoding server;
the second communication data module comprises:
a second communication data obtaining unit, configured to obtain second communication data from the collaboration server;
and the second communication data playing unit is used for reading the video data in the second communication data by using the video element and displaying the image in the target HTML page, and reading the audio data in the second communication data by using the video element and playing the audio data by using the loudspeaker.
7. The apparatus of claim 5,
the call request module is specifically configured to send a call signaling to the web server, where the call signaling includes identity information of a video networking terminal, and the call signaling is sent to the video networking terminal via the web server;
the device further comprises: and the call connection establishing module is used for establishing call connection with the video network terminal if the Internet terminal receives the response signaling forwarded by the web server.
8. The device according to claim 7, wherein an input box for inputting the call signaling is arranged in the target HTML page;
the call request module is further configured to obtain the call signaling from the input box of the target HTML page.
9. An electronic device, comprising:
one or more processors; and
one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the electronic device to perform the method of video telephony of any of claims 1-4.
10. A storage medium storing a computer program for causing a processor to execute the method of video telephony according to any one of claims 1 to 4.
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