CN108881796B - Video data processing method and video networking protocol conversion server - Google Patents
Video data processing method and video networking protocol conversion server Download PDFInfo
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- CN108881796B CN108881796B CN201711448608.0A CN201711448608A CN108881796B CN 108881796 B CN108881796 B CN 108881796B CN 201711448608 A CN201711448608 A CN 201711448608A CN 108881796 B CN108881796 B CN 108881796B
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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
- H04N7/15—Conference systems
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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
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Abstract
The embodiment of the invention discloses a video data processing method and a video networking protocol conversion server, wherein the method comprises the following steps: establishing a conference connection with an internet conference server based on an internet protocol and establishing a conference connection with a video conference server based on a video network protocol; receiving first internet video data and first video internet video data; merging the first internet video data and the first video network video data to obtain merged video data; converting the merged video data into second internet video data and converting the merged video data into second video internet video data; and sending the second internet video data to the internet conference server and sending the second video data to the video conference server. According to the embodiment of the invention, the problem that the video conference consumes user operation and time is solved.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to a video data processing method, a video networking protocol server, an internet conference server and a video networking conference server.
Background
At present, with the rapid development of network technologies, bidirectional communications such as video conferences and video teaching are widely popularized in the aspects of life, work, learning and the like of users, and video networking technologies are increasingly applied to various technical fields, in particular to video conferences across networks by using the video networking technologies.
In an application scenario where a video conference is performed using a video networking technology, there may be a plurality of conference terminals. The plurality of conference terminals may include conference terminals in the internet or conference terminals in the internet of view. In order to enable the plurality of conference terminals in the internet and the plurality of conference terminals in the video network to perform video data interaction, the conference terminals in the internet and the conference terminals in the video network need to be dragged into the same conference, that is, connection between the conference terminals is established.
However, if a large-scale video conference is to be performed, thousands of hundreds of terminals may need to be dragged into the conference, and an organizer of the conference needs to drag a plurality of terminals into the conference one by one, performing a large number of connection setting operations, and consuming a large amount of operations and time of the organizer.
Therefore, the video conference of the prior art has a problem of consuming user operation and time.
Disclosure of Invention
The invention provides a data processing method, a video networking protocol server, an Internet conference server and a video networking conference server, and aims to solve the problem that in the prior art, a video conference consumes user operation and time.
In order to solve the above technical problem, an embodiment of the present invention provides a data processing method, where the method includes:
establishing a conference connection with an internet conference server based on an internet protocol, and establishing a conference connection with a video network conference server based on a video network protocol; the Internet conference server is used for establishing conference connection with a plurality of Internet conference terminals; the video networking conference server is used for establishing conference connection with a plurality of video networking conference terminals; the Internet conference terminal is used for sending first Internet video data to the Internet conference server; the video networking conference terminal is used for sending first video networking video data to the video networking conference server;
receiving first internet video data of the internet conference server, and receiving first video networking video data of the video networking conference server;
merging the first internet video data and the first video network video data to obtain merged video data;
converting the merged video data into second internet video data and converting the merged video data into second video internet video data;
sending the second internet video data to the internet conference server, and sending the second video data to the video conference server; the Internet conference server is used for sending the second Internet video data to the plurality of Internet conference terminals; and the video networking conference server is used for sending the second video networking video data to the plurality of video networking conference terminals.
Optionally, the step of merging the internet video data and the video networking video data to obtain merged video data includes:
respectively carrying out decapsulation processing on the internet video data and the video networking video data to obtain decapsulated internet video data and decapsulated video networking video data;
and carrying out screen mixing processing on the decapsulated internet video data and the decapsulated video network video data to obtain the combined video data.
Optionally, the step of establishing a conference connection with an internet conference server based on an internet protocol and establishing a conference connection with a video conference server based on a video protocol includes:
sending the internet protocol to the internet conference server, and sending the video networking protocol to the video networking conference server;
receiving first conference access information fed back by the Internet conference server based on the Internet protocol, and receiving second conference access information fed back by the video networking conference server based on the video networking protocol;
and executing the connection operation with the Internet conference server according to the first conference access information, and executing the connection operation with the video network conference server according to the second conference access information.
In order to solve the above technical problem, an embodiment of the present invention further provides a data processing method, where the method includes:
establishing conference connection with a plurality of internet conference terminals, and establishing conference connection with a video networking protocol conversion server based on an internet protocol;
receiving first internet video data sent by the plurality of internet conference terminals;
sending the first internet video data to the video networking coordination and conversion server; the video networking protocol conversion server is used for generating second internet video data aiming at the first internet video data and sending the second internet video data to the internet conference server;
and sending the second internet video data to the plurality of internet conference terminals.
In order to solve the above technical problem, an embodiment of the present invention further provides a data processing method, where the method includes:
establishing conference connection with a plurality of video networking conference terminals, and establishing conference connection with a video networking protocol transfer server based on a video networking protocol;
receiving first video networking video data sent by the plurality of video networking conference terminals;
sending the first video networking video data to the video networking protocol conversion server; the video networking coordination server is used for generating second video networking video data aiming at the first video networking video data and sending the second video networking video data to the video networking conference server;
and sending the second video networking video data to the plurality of video networking conference terminals.
In order to solve the above technical problem, an embodiment of the present invention further provides a video networking coordination server, where the server includes:
the server connection module is used for establishing conference connection with an Internet conference server based on an Internet protocol and establishing conference connection with the video networking conference server based on a video networking protocol; the Internet conference server is used for establishing conference connection with a plurality of Internet conference terminals; the video networking conference server is used for establishing conference connection with a plurality of video networking conference terminals; the Internet conference terminal is used for sending first Internet video data to the Internet conference server; the video networking conference terminal is used for sending first video networking video data to the video networking conference server;
the video data receiving module is used for receiving first internet video data of the internet conference server and receiving first video networking video data of the video networking conference server;
the video data merging module is used for merging the first internet video data and the first video networking video data to obtain merged video data;
the video data conversion module is used for converting the merged video data into second internet video data and converting the merged video data into second video network video data;
the video data sending module is used for sending the second internet video data to the internet conference server and sending the second video networking video data to the video networking conference server; the Internet conference server is used for sending the second Internet video data to the plurality of Internet conference terminals; and the video networking conference server is used for sending the second video networking video data to the plurality of video networking conference terminals.
Optionally, the video data merging module includes:
the decapsulation processing submodule is used for respectively decapsulating the internet video data and the video network video data to obtain decapsulated internet video data and decapsulated video network video data;
and the mixed screen processing submodule is used for carrying out mixed screen processing on the decapsulated internet video data and the decapsulated video network video data to obtain the combined video data.
Optionally, the server connection module includes:
the protocol sending submodule is used for sending the Internet protocol to the Internet conference server and sending the video networking protocol to the video networking conference server;
the conference access information receiving submodule is used for receiving first conference access information fed back by the Internet conference server based on the Internet protocol and receiving second conference access information fed back by the video networking conference server based on the video networking protocol;
and the connection operation execution sub-module is used for executing the connection operation with the Internet conference server according to the first conference access information and executing the connection operation with the video network conference server according to the second conference access information.
In order to solve the above technical problem, an embodiment of the present invention further provides an internet conference server, where the server includes:
the Internet conference terminal connection module is used for establishing conference connection with a plurality of Internet conference terminals and establishing conference connection with the video networking protocol conversion server based on an Internet protocol;
the internet video data receiving module is used for receiving first internet video data sent by the plurality of internet conference terminals;
the first internet video data sending module is used for sending the first internet video data to the video networking protocol conversion server; the video networking protocol conversion server is used for generating second internet video data aiming at the first internet video data and sending the second internet video data to the internet conference server;
and the second internet video data sending module is used for sending the second internet video data to the plurality of internet conference terminals.
In order to solve the above technical problem, an embodiment of the present invention further provides a video networking conference server, where the server includes:
the video networking conference terminal connection module is used for establishing conference connection with a plurality of video networking conference terminals and establishing conference connection with a video networking protocol transfer server based on a video networking protocol;
the video networking video data receiving module is used for receiving first video networking video data sent by the plurality of video networking conference terminals;
the first video networking video data sending module is used for sending the first video networking video data to the video networking coordination server; the video networking coordination server is used for generating second video networking video data aiming at the first video networking video data and sending the second video networking video data to the video networking conference server;
and the second video networking video data sending module is used for sending the second video networking video data to the plurality of video networking conference terminals.
According to the embodiment of the invention, the video networking protocol conversion server is respectively connected with the Internet conference server and the video networking conference server, so that a plurality of Internet conference terminals connected with the Internet conference server and a plurality of video networking conference terminals connected with the video networking conference server are connected, conference connection aiming at the same video conference is realized in a cascading mode, and video data adaptive to the Internet conference terminal and the video networking conference terminals are obtained by combining and converting Internet video data of the Internet conference terminals and video networking video data of the video networking conference terminals, so that video data interaction of different types of terminals is realized. Therefore, the organizer of the conference does not need to drag a plurality of terminals into the conference one by one and carry out a large amount of connection setting operation, thereby saving a large amount of operation and time of the organizer and solving the problem of consuming user operation and time in the video conference in the prior art.
Drawings
Fig. 1 is a flowchart of a video data processing method according to an embodiment of the present invention;
fig. 2 is a flowchart of a video data processing method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a video data processing method according to a third embodiment of the present invention;
fig. 4 is a block diagram of a video networking collaboration server according to a fourth embodiment of the present invention;
fig. 5 is a block diagram illustrating an internet conference server according to a fifth embodiment of the present invention;
fig. 6 is a block diagram of an internet conference server according to a sixth embodiment of the present invention;
FIG. 7 is a block diagram of a video conferencing system in accordance with an embodiment of the present invention;
FIG. 8 is a schematic diagram of a data flow of a videoconference, according to an embodiment of the present invention;
FIG. 9 is a networking schematic of a video network of the present invention;
FIG. 10 is a diagram of a hardware architecture of a node server according to the present invention;
fig. 11 is a schematic diagram of a hardware architecture of an access switch of the present invention;
fig. 12 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example one
Fig. 1 is a flowchart of a video data processing method according to an embodiment of the present invention, which is applied to a video networking protocol conversion server, and the method may specifically include:
It should be noted that the video data processing method provided by the embodiment of the present invention may be applied to a video networking protocol conversion server.
The above-mentioned video network collaboration server may be a collaboration server in which a web page version MCU management tool (Microcontroller Unit) is installed in the video network. The MCU management tool can be used for establishing a conference, organizing and starting the conference, and then performing the forwarding control of the signaling between the conference terminals and the transmission control of the streaming media information through the bottom layer coordination server.
On the communication layer, the interconversion between the video networking protocol and the internet protocol can be realized. The video networking protocol may be a vehicle-to-vehicle communication protocol (V2V) protocol, and the internet protocol may be an H323 protocol (standard audio/video transmission protocol).
On the media transmission layer, the video networking video data and the internet video data can be converted with each other. The video data of the video network may be a V2V video stream, and the video data of the internet may be an RTP (Real-time Transport Protocol) video stream.
The internet conference server may be an H323MCU server. The H323MCU server is provided with an H323MCU module which provides end-to-end signaling to ensure normal communication with the H323 terminal. The adopted protocol is H.245 (multimedia communication control protocol), four kinds of information of request, response, signaling and indication are defined, and the communication control is completed by carrying out communication capability negotiation among various terminals, opening/closing a logic channel, sending commands or indications and the like.
The Internet conference server can establish conference connection with a plurality of Internet conference terminals in an IP calling mode. Therefore, the Internet conference server can be connected with a plurality of Internet conference terminals.
And the video networking conference server can establish conference connection with a plurality of video networking conference terminals. Therefore, the video networking conference server can be connected with a plurality of video networking conference terminals.
The video networking protocol conversion server can establish connection with a video networking conference server based on a video networking protocol by using the virtual terminal identity of the video networking. Meanwhile, the video network protocol conversion server can establish conference connection with the internet conference server based on the internet protocol.
Because the internet conference server has been connected with a plurality of internet conference terminals to and, the video network conference server has been connected with a plurality of video network conference terminals, when the video network coordination server connects internet conference server and video network conference server, can connect a plurality of internet conference terminals and a plurality of video network conference terminals through the mode of cascading. Therefore, a plurality of internet conference terminals and a plurality of video network conference terminals are dragged into the same conference.
When the video conference is carried out, the internet conference terminal can send internet video data to the internet conference server, and the video networking conference terminal can send the video networking video data to the video networking conference server. For the sake of distinguishing the description, the internet video data and the video network video data transmitted at this time are named as first internet video data and first video network video data, respectively.
Optionally, the step 110 may specifically include the following steps:
step 111, sending the internet protocol to the internet conference server, and sending the video networking protocol to the video networking conference server;
step 112, receiving first conference access information fed back by the internet conference server based on the internet protocol, and receiving second conference access information fed back by the video networking conference server based on the video networking protocol;
and 113, executing the connection operation with the Internet conference server according to the first conference access information, and executing the connection operation with the video network conference server according to the second conference access information.
In a particular implementation of establishing a conference connection with an internet conference server and a video networking conference server, the video networking protocol relay server may send an internet protocol to the internet conference server and a video networking protocol to the video networking conference server.
The internet conference server may feed back the first conference access information based on the internet protocol, and the video conference server may feed back the second conference access information based on the video protocol.
The video networking protocol conversion server can be respectively connected with the Internet conference server and the video networking conference server according to the first conference access information and the second conference access information.
In the specific implementation, the internet conference server can send the first internet video data of the internet conference terminal to the video networking coordination server, and the video networking conference server can send the first video networking video data of the video networking conference terminal to the video networking coordination server. Thus, the video networking protocol server receives the first internet video data and the first video networking video data.
And step 130, merging the first internet video data and the first video network video data to obtain merged video data.
In specific implementation, the first internet video data and the first video network video data may be merged to obtain merged video data. Wherein the combining process may include a screen mixing process.
Optionally, the step 130 may specifically include the following steps:
step 131, respectively performing decapsulation processing on the internet video data and the video networking video data to obtain decapsulated internet video data and decapsulated video networking video data;
and 132, performing screen mixing processing on the decapsulated internet video data and the decapsulated video network video data to obtain the merged video data.
In the concrete realization, can carry out the decapsulation to video data and handle, with internet video data decapsulation for decapsulation internet video data, with the video data decapsulation of video networking for decapsulation video networking video data.
And then, mixing the screen of the decapsulated internet video data and the decapsulated video network video data to form a mixed video stream as the merged video data.
In a specific implementation, the merged video data may be re-encoded and encapsulated to obtain second internet video data and second video networking video data. For example, the hybrid video stream is re-encoded and encapsulated into an RTP video stream and a V2V video stream.
In concrete implementation, the video networking protocol conversion server can send the second internet video data to the internet conference server, and the internet conference server can send the second internet video data to the connected internet conference terminals. Simultaneously, the video networking coordination server can send the second video networking video data to the video networking conference server, and the video networking conference server can send the second video networking video data to a plurality of connected video networking conference terminals.
According to the embodiment of the invention, the video networking protocol conversion server is respectively connected with the Internet conference server and the video networking conference server, so that a plurality of Internet conference terminals connected with the Internet conference server and a plurality of video networking conference terminals connected with the video networking conference server are connected, conference connection aiming at the same video conference is realized in a cascading mode, and video data adaptive to the Internet conference terminal and the video networking conference terminals are obtained by combining and converting Internet video data of the Internet conference terminals and video networking video data of the video networking conference terminals, so that video data interaction of different types of terminals is realized. Therefore, the organizer of the conference does not need to drag a plurality of terminals into the conference one by one and carry out a large amount of connection setting operation, thereby saving a large amount of operation and time of the organizer and solving the problem of consuming user operation and time in the video conference in the prior art.
Example two
Fig. 2 is a flowchart of a video data processing method provided in the second embodiment of the present invention, which is applied to an internet conference server, and the method may specifically include:
In a specific implementation, the internet conference server may be an H323MCU server, and may establish conference connection with a plurality of internet conference terminals in an IP call manner. Meanwhile, the Internet conference server can establish conference connection with the video networking protocol conversion server based on an Internet protocol.
After establishing a conference connection with a plurality of internet conference terminals, the internet conference terminals may transmit first internet video data to the internet conference server, and the internet conference server may transmit the first internet video data of the internet conference terminals to the video networking coordination server. After receiving the first internet video data, the video networking protocol conversion server can generate second internet video data aiming at the first internet video data and send the second internet video data to the internet conference server, and the internet conference server can send the second internet video data to the plurality of internet conference terminals.
Since the detailed description has been given in the above embodiments for the specific process of the video-networking protocol conversion server generating the second internet video data for the first internet video data, no further description is given here.
EXAMPLE III
Fig. 3 is a flowchart of a video data processing method provided by the third embodiment of the present invention, which is applied to a video networking conference server, and the method may specifically include:
and step 340, sending the second video networking video data to the plurality of video networking conference terminals.
In a specific implementation, the video networking conference server can establish conference connection with a plurality of video networking conference terminals. Meanwhile, the video networking conference server can establish conference connection with the video networking protocol conversion server based on the video networking protocol.
After conference connection with a plurality of video networking conference terminals is established, the video networking conference terminals can send first video networking video data to a video networking conference server, and the video networking conference server can send the first video networking video data of the video networking conference terminals to a video networking transfer server. After receiving the first video networking video data, the video networking coordination server can generate second video networking video data aiming at the first video networking video data, and send the second video networking video data to the video networking conference server, and the video networking conference server can send the second video networking video data to a plurality of video networking conference terminals.
Since the detailed description has been given in the above embodiments for the specific process of the video networking coordination server generating the second video networking video data for the first video networking video data, no further description is given here.
Example four
Fig. 4 is a block diagram of a video networking protocol conversion server according to a fourth embodiment of the present invention, where the video networking protocol conversion server 400 may specifically include the following modules:
a server connection module 410, configured to establish a conference connection with an internet conference server based on an internet protocol, and establish a conference connection with a video conference server based on a video networking protocol; the Internet conference server is used for establishing conference connection with a plurality of Internet conference terminals; the video networking conference server is used for establishing conference connection with a plurality of video networking conference terminals; the Internet conference terminal is used for sending first Internet video data to the Internet conference server; the video networking conference terminal is used for sending first video networking video data to the video networking conference server;
a video data receiving module 420, configured to receive first internet video data of the internet conference server, and receive first video network video data of the video network conference server;
a video data merging module 430, configured to merge the first internet video data and the first video network video data to obtain merged video data;
a video data conversion module 440, configured to convert the merged video data into second internet video data, and convert the merged video data into second video network video data;
a video data sending module 450, configured to send the second internet video data to the internet conference server, and send the second video data to the video conference server; the Internet conference server is used for sending the second Internet video data to the plurality of Internet conference terminals; and the video networking conference server is used for sending the second video networking video data to the plurality of video networking conference terminals.
Optionally, the video data merging module 430 includes:
the decapsulation processing submodule is used for respectively decapsulating the internet video data and the video network video data to obtain decapsulated internet video data and decapsulated video network video data;
and the mixed screen processing submodule is used for carrying out mixed screen processing on the decapsulated internet video data and the decapsulated video network video data to obtain the combined video data.
Optionally, the server connection module 410 includes:
the protocol sending submodule is used for sending the Internet protocol to the Internet conference server and sending the video networking protocol to the video networking conference server;
the conference access information receiving submodule is used for receiving first conference access information fed back by the Internet conference server based on the Internet protocol and receiving second conference access information fed back by the video networking conference server based on the video networking protocol;
and the connection operation execution sub-module is used for executing the connection operation with the Internet conference server according to the first conference access information and executing the connection operation with the video network conference server according to the second conference access information.
According to the embodiment of the invention, the video networking protocol conversion server is respectively connected with the Internet conference server and the video networking conference server, so that a plurality of Internet conference terminals connected with the Internet conference server and a plurality of video networking conference terminals connected with the video networking conference server are connected, conference connection aiming at the same video conference is realized in a cascading mode, and video data adaptive to the Internet conference terminal and the video networking conference terminals are obtained by combining and converting Internet video data of the Internet conference terminals and video networking video data of the video networking conference terminals, so that video data interaction of different types of terminals is realized. Therefore, the organizer of the conference does not need to drag a plurality of terminals into the conference one by one and carry out a large amount of connection setting operation, thereby saving a large amount of operation and time of the organizer and solving the problem of consuming user operation and time in the video conference in the prior art.
EXAMPLE five
Fig. 5 is a block diagram of a structure of an internet conference server according to a fifth embodiment of the present invention, where the internet conference server 500 may specifically include the following modules:
an internet conference terminal connection module 510, configured to establish conference connections with a plurality of internet conference terminals, and establish conference connections with a video networking collaboration server based on an internet protocol;
an internet video data receiving module 520, configured to receive first internet video data sent by the plurality of internet conference terminals;
a first internet video data sending module 530, configured to send the first internet video data to the video networking coordination server; the video networking protocol conversion server is used for generating second internet video data aiming at the first internet video data and sending the second internet video data to the internet conference server;
a second internet video data sending module 540, configured to send the second internet video data to the plurality of internet conference terminals.
EXAMPLE six
Fig. 6 is a block diagram of an internet conference server according to a sixth embodiment of the present invention, where the video conference server 600 may specifically include the following modules:
a video networking conference terminal connection module 610, configured to establish conference connection with a plurality of video networking conference terminals, and establish conference connection with a video networking protocol transfer server based on a video networking protocol;
a video networking video data receiving module 620, configured to receive first video networking video data sent by the multiple video networking conference terminals;
a first video networking video data sending module 630, configured to send the first video networking video data to the video networking coordination server; the video networking coordination server is used for generating second video networking video data aiming at the first video networking video data and sending the second video networking video data to the video networking conference server;
a second video networking video data sending module 640, configured to send the second video networking video data to the plurality of video networking conference terminals.
Since the processing procedure described in the server embodiment has been described in detail in the method embodiment, it is not described herein again.
To facilitate understanding of embodiments of the present invention by those skilled in the art, the following description will be made in conjunction with specific examples of fig. 7 and 8.
Fig. 7 is a block diagram of a video conference system according to an embodiment of the present invention. As can be seen from the figure, in the video conference system, an H323 protocol conversion server is deployed, and switches are provided on the internet side and the video network side for the H323 protocol conversion server, respectively.
An H323MCU is deployed on one side of the Internet and serves as an Internet conference server. On the internet side, a plurality of internet conference terminals such as HuaweiTE50 and PolycomPVX are also deployed.
And a video network server is deployed on one side of the video network and serves as a video network conference server. On the video network side, a plurality of video network conference terminals such as an aurora 8168 and a kinoform V300 are also deployed.
An H323 protocol gateway is arranged on the H323 protocol conversion server. An H323 service module is arranged in the H323 protocol gateway and is responsible for interconnection with an H323MCU, including call establishment, setting of a capability set of media transmission, registration of a GK gatekeeper server and the like. An RTP service module is also arranged in the H323 protocol gateway and is responsible for de-encapsulating the audio and video packets in the RTP format sent by the H323MCU into an H264 video stream and a G711 audio stream. The H323 protocol gateway is also internally provided with a V2V video networking module, virtualizes a plurality of V2V video networking conference terminals (each terminal corresponds to a telephone number), realizes communication docking with the video networking conference terminals, and encapsulates an H264 video stream and a G711 audio stream transmitted from an RTP service module into an audio/video stream of a video networking protocol and transmits the audio/video stream to the video networking conference terminals.
Fig. 8 is a schematic diagram of a data flow of a video conference according to an embodiment of the present invention. As can be seen from the figure, when initiating a video networking conference, the cascade connection of multiple conference terminals can be realized through the following processing flows:
s001, accessing the HuaweiTE50 into the conference in an IP calling mode through the H323 MCU;
s002, the H323 protocol conversion server sends 8e01 request to the video network server to instruct the video network server to start calling a video network STB terminal;
s003, the video network server converts 8e01 into 8e02 and sends the 8e02 to the called STB terminal of the video network, the STB terminal of the video network rings to answer, send 8e01 to answer the answer to the video network server;
s004, the video network server receives the 8e01 request of the response and then converts the request into 8e02, and forwards the 8e02 to the H323 coordination conversion server to establish a call successful access conference;
s005, the H323 cooperative transmission server sends Cs: a setup call request is sent to the H323MCU, so that the HuaweiTE50 connected with the H323MCU is accessed into the conference;
s006, the H323MCU replies Cs after receiving the request: calling, Cs: alerting, Cs: connect, successfully accessing HuaweiTE50 to the conference;
s007, sending a terminalcapabilitySet message to an H323MCU by the H323 cooperative server, setting a set of audio and video transmission capabilities which can be supported in the group by cooperative transmission, and returning openlogic channel by the H323 MCU;
s008, the video network server sends a protocol instruction 8704 for opening the video network codec to the H323 protocol conversion server and the video network STB terminal respectively;
s009, the H323MCU sends the audio and video packet in RTP format to the H323 cooperative conversion server, the cooperative conversion carries out decapsulation operation, and the audio and video packet is decapsulated into two data streams of H264+ G711;
s010, the STB terminal sends 2002 video stream and 2001 audio stream to the video network server, and the video network server forwards the video stream to the H323 coordination server;
s011, the H323 cooperative conversion server unpacks 2002 and 2001 into video and audio streams of H264 and G711, then the two streams transmitted by the H323MCU and the video networking server are mixed into a stream with double split screens through the video mixing module, and the audio is also mixed through the audio mixing module;
s012, at this moment, the H323 cooperates with the transfer server and encapsulates H264 video and G711 audio after mixing into media flow under two kinds of video networking agreement of 2002 and 2001 separately, send to the video networking server again;
s013, the video network server sends the two streams to the specified STB terminal, so that the video network terminal can see the audio and video streams mixed after the group meeting;
s014, the H323 protocol conversion server encapsulates the mixed H264 and G711 into an RTP protocol stream, sends the RTP protocol stream to the H323MCU, and finally forwards the RTP protocol stream to a HuaweiTE50 terminal;
s015, the H323 cooperative server sends releaseComplete and closelogichannel to carry out hang-up request to the H323MCU, the H323MCU receiving the request sends closelogichannelack to close the logic channel, sends releaseComplete to respond to the hang-up request of H323 cooperative;
s016, the H323 protocol is transferred, then a hang-up request of 8e01 is sent to the video networking server, the video networking server is transferred to 8e02 and sent to the video networking STB terminal, the video networking STB terminal makes hang-up operation, and 8e01 is returned to the video networking server;
s017, the video network server converts the 8e01 into 8e02 and sends the 8e02 to the H323 coordination server, and simultaneously sends 8704 for closing the codec to the H323 coordination server and the video network STB terminal respectively;
and S018, finishing the cascade connection and butt joint operation of the H323MCU of the H323 cooperative conversion server and the video network server.
It should be added that the above embodiments of the present invention can be applied to a communication network of a video network. 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. 9, 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. 10, the system mainly includes a network interface module 1001, a switching engine module 1002, a CPU module 1003, and a disk array module 1004;
the network interface module 1001, the CPU module 1003 and the disk array module 1004 enter the switching engine module 1002; the switching engine module 1002 performs an operation of looking up the address table 1005 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of a corresponding packet buffer 1006 according to the packet's steering information; if the queue of the packet buffer 1006 is nearly full, it is discarded; the switching engine module 1002 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 1004 mainly implements control over the hard disk, including initialization, read-write and other operations; the CPU module 1003 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 1005 (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 1004.
The access switch:
as shown in fig. 11, the network interface module mainly includes a network interface module (a downlink network interface module 1101, an uplink network interface module 1102), a switching engine module 1103 and a CPU module 1104;
wherein, the packet (uplink data) coming from the downlink network interface module 1101 enters the packet detection module 1105; the packet detection module 1105 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 1103, otherwise, discards the stream identifier; incoming packets (downstream data) from the upstream network interface module 1102 enter the switching engine module 1103; the incoming data packet of the CPU module 1104 enters the switching engine module 1103; the switching engine module 1103 performs an operation of looking up the address table 1106 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 1103 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 1107 in association with the stream-id; if the queue of the packet buffer 1107 is nearly full, it is discarded; if the packet entering the switching engine module 1103 is not from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 1107 according to the packet steering information; if the queue of the packet buffer 1107 is nearly full, it is discarded.
The switching engine block 1103 polls all packet buffer queues, which is divided into two cases in the embodiment of the present invention:
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 1108 is configured by the CPU module 1104 to generate 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 1104 is mainly responsible for protocol processing with the node server, configuration of the address table 1106, and configuration of the code rate control module 1108.
Ethernet protocol gateway:
as shown in fig. 12, the system mainly includes a network interface module (a downlink network interface module 1201, an uplink network interface module 1202), a switching engine module 1203, a CPU module 1204, a packet detection module 1205, a rate control module 1208, an address table 1206, a packet buffer 1207, a MAC adding module 1209, and a MAC deleting module 1210.
Wherein, the data packet coming from the downlink network interface module 1201 enters the packet detection module 1205; the packet detection module 1205 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 1210 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters a corresponding receiving buffer, otherwise, discards the MAC deletion;
the downlink network interface module 1201 detects the sending buffer of the port, if a packet exists, the ethernet MAC DA of the corresponding terminal is known according to the destination address DA of the packet, and the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type are added and sent.
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:
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:
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 field is between the reserved bytes and payload of the packet.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in a server, terminal, or the like, according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (6)
1. A method of video data processing, the method comprising:
the video networking protocol conversion server establishes conference connection with a video networking conference server based on a video networking protocol so as to access video networking conference terminals under the video networking server into a conference;
the method comprises the following steps that an Internet conference server establishes conference connection with a plurality of Internet conference terminals;
the video networking protocol conversion server establishes conference connection with the internet conference server based on an internet protocol, and the method comprises the following steps: the video networking protocol conversion server sends a call request to the Internet conference server, wherein the call request is used for indicating that a plurality of Internet conference terminals of the Internet conference server are accessed into a conference;
the video networking protocol conversion server executes connection operation with the Internet conference server when receiving first conference access information fed back by the Internet conference server based on the Internet protocol, so that conference connection is established with the Internet conference server based on the Internet protocol, and each Internet conference terminal under the Internet conference server is accessed into a conference; wherein the first conference access information is call response information of the call request;
the Internet conference terminal is used for sending first Internet video data to the Internet conference server; the video networking conference terminal is used for sending first video networking video data to the video networking conference server;
receiving first internet video data of the internet conference server, and receiving first video networking video data of the video networking conference server;
merging the first internet video data and the first video network video data to obtain merged video data;
converting the merged video data into second internet video data and converting the merged video data into second video internet video data;
sending the second internet video data to the internet conference server, and sending the second video data to the video conference server; the Internet conference server is used for sending the second Internet video data to the plurality of Internet conference terminals; and the video networking conference server is used for sending the second video networking video data to a plurality of video networking conference terminals.
2. The method of claim 1, wherein said step of merging said internet video data and said video internet video data to obtain merged video data comprises:
respectively carrying out decapsulation processing on the internet video data and the video networking video data to obtain decapsulated internet video data and decapsulated video networking video data;
and carrying out screen mixing processing on the decapsulated internet video data and the decapsulated video network video data to obtain the combined video data.
3. The method of claim 1, wherein the step of establishing a conference connection with a video networking conference server based on a video networking protocol comprises:
sending the video networking protocol to the video networking conference server;
receiving second conference access information fed back by the video networking conference server based on the video networking protocol;
and executing the connection operation with the video networking conference server according to the second conference access information.
4. A video networking protocol server, the server comprising:
the server connection module is used for establishing conference connection with the video networking conference server based on a video networking protocol so as to access a video networking conference terminal under the video networking server into a conference; the method comprises the following steps that an Internet conference server establishes conference connection with a plurality of Internet conference terminals; the Internet conference terminal is used for sending first Internet video data to the Internet conference server; the video networking conference terminal is used for sending first video networking video data to the video networking conference server;
the server connection module includes: the protocol sending submodule is used for sending a call request to the Internet conference server, and the call request is used for indicating that a plurality of Internet conference terminals of the Internet conference server are accessed into a conference;
the conference access information receiving submodule is used for executing the connection operation with the internet conference server by the connection operation executing submodule when receiving first conference access information fed back by the internet conference server based on an internet protocol, so that conference connection is established with the internet conference server based on the internet protocol, and each internet conference terminal under the internet conference server is accessed into a conference; wherein the first conference access information is call response information of the call request;
the video data receiving module is used for receiving first internet video data of the internet conference server and receiving first video networking video data of the video networking conference server;
the video data merging module is used for merging the first internet video data and the first video networking video data to obtain merged video data;
the video data conversion module is used for converting the merged video data into second internet video data and converting the merged video data into second video network video data;
the video data sending module is used for sending the second internet video data to the internet conference server and sending the second video networking video data to the video networking conference server; the Internet conference server is used for sending the second Internet video data to the plurality of Internet conference terminals; and the video networking conference server is used for sending the second video networking video data to a plurality of video networking conference terminals.
5. The server according to claim 4, wherein the video data merging module comprises:
the decapsulation processing submodule is used for respectively decapsulating the internet video data and the video network video data to obtain decapsulated internet video data and decapsulated video network video data;
and the mixed screen processing submodule is used for carrying out mixed screen processing on the decapsulated internet video data and the decapsulated video network video data to obtain the combined video data.
6. The server according to claim 4, wherein the server connection module comprises:
the protocol sending submodule is also used for sending the video networking protocol to the video networking conference server;
the conference access information receiving submodule is also used for receiving second conference access information fed back by the video networking conference server based on the video networking protocol;
and the connection operation execution sub-module is further used for executing the connection operation with the video networking conference server according to the second conference access information.
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| CN109743284B (en) * | 2018-11-27 | 2021-02-12 | 视联动力信息技术股份有限公司 | Video processing method and system based on video network |
| CN109889759A (en) * | 2019-02-02 | 2019-06-14 | 视联动力信息技术股份有限公司 | A kind of exchange method and system regarding networked video meeting |
| CN109922300B (en) * | 2019-03-14 | 2021-03-26 | 视联动力信息技术股份有限公司 | Method and server for inviting video network MCU conference to Internet MCU conference |
| CN110149305B (en) * | 2019-04-01 | 2021-10-19 | 视联动力信息技术股份有限公司 | Video network-based multi-party audio and video playing method and transfer server |
| CN110460804B (en) * | 2019-07-30 | 2021-01-22 | 视联动力信息技术股份有限公司 | Conference data transmitting method, system, device and computer readable storage medium |
| CN113784083B (en) * | 2021-07-21 | 2024-05-28 | 上海创视通软件技术有限公司 | Video conference connection method, device and storage medium |
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