阅读说明：本技术 一种视频会议控制方法、多点控制单元及视频会议终端 (video conference control method, multipoint control unit and video conference terminal ) 是由 王福 佟鑫 张海燕 胡景欣 万武辉 于 2018-07-18 设计创作，主要内容包括：本发明实施例公开了一种视频会议控制方法、多点控制单元及视频会议终端,其中视频会议控制方法之一包括：MCU与视频会议终端建立第三视频通道；当所述视频会议终端作为选看视频会议终端时,将被选看视频会议终端的主视频码流通过所述第三视频通道发送给选看视频会议终端。如此,本发明实施例提供的技术方案,能够增强视频会议用户的交流效果,提高视频会议系统的使用价值。(The embodiment of the invention discloses video conference control methods, a multipoint control unit and a video conference terminal, wherein of the video conference control method comprises the steps of establishing a third video channel between an MCU and the video conference terminal, and sending a main video code stream of a selected video conference terminal to the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.)

1, A video conference control method, comprising:

the MCU and the video conference terminal establish a third video channel;

and when the video conference terminal is used as the video conference terminal selected for watching, sending the main video code stream of the video conference terminal selected for watching to the video conference terminal selected for watching through the third video channel.

2. The control method according to claim 1, wherein before the MCU establishes the third video channel with the video conference terminal, the method further comprises:

and the MCU interacts a terminal capability set with each video conference terminal participating in the conference, wherein the terminal capability set comprises whether a third video channel capability is supported or not.

3. The control method according to claim 2, wherein the MCU establishes a third video channel with the video conference terminal, comprising:

the MCU determines video conference terminals with the selecting and watching authority from the video conference terminals supporting the third video channel capability, and establishes a third video channel with all the video conference terminals with the selecting and watching authority;

or after the selecting and watching operation is initiated through the terminal control interface or the MCU conference control interface, the MCU establishes a third video channel with the selecting and watching video conference terminal supporting the third video channel capability.

4. The control method according to claim 3, characterized in that the method further comprises:

after a selecting and watching operation is initiated through a terminal control interface or an MCU conference control interface, when the selecting and watching video conference terminal does not support the capability of a third video channel, multi-picture synthesis is carried out on a main video image of an broadcast source video conference terminal and a main video image of the selected and watching video conference terminal, and then a synthesized video code stream is sent to the selecting and watching video conference terminal through a video channel;

wherein the th video channel is a video channel defined by the current video conference and used for transmitting the main video.

5. The control method according to claim 1, wherein the MCU establishes a third video channel with the video conference terminal, comprising:

the MCU sends an openlogical channel signaling for opening a logical channel of a third video to the video conference terminal to indicate the video conference terminal to open the third video channel;

and receiving an openlogic channel confirmation OpenLogicalChannel Ack signaling replied by the video conference terminal, and completing the establishment of a third video channel.

6, video conference control method, applied to video conference terminal, comprising:

establishing a third video channel with the multipoint control unit MCU;

and when the video conference terminal is used as a video conference terminal selected for watching, receiving a main video code stream of the video conference terminal selected for watching through the third video channel.

7. The method of claim 6, wherein before establishing the third video channel with the MCU, the method further comprises:

and interacting a terminal capability set with the MCU, wherein the terminal capability set comprises whether the third video channel capability is supported or not.

8. The control method of claim 7, wherein after interacting the terminal capability set with the MCU, the method further comprises:

when the video conference terminal supports the third video channel capability, establishing a third video channel with the MCU;

or after the selecting and watching operation is initiated through the terminal control interface or the MCU conference control interface, when the video conference terminal supports the third video channel capability, the third video channel is established with the MCU.

9. The control method according to claim 8, characterized in that the method further comprises:

after the selecting and watching operation is initiated through a terminal control interface or an MCU conference control interface, when the video conference terminal does not support the capability of a third video channel, a synthesized video code stream is received through an video channel, wherein the synthesized video code stream is a video code stream obtained by multi-picture synthesizing a main video image of a playing source video conference terminal and a main video image of the selected and watched video conference terminal.

10. The control method according to claim 6, wherein the establishing a third video channel with the MCU comprises:

after receiving an openlogical channel opening signaling sent by the MCU, opening a third video channel;

and replying to the MCU to open a logic channel to confirm the OpenLogicalChannel Ack signaling, and completing the establishment of a third video channel.

11, multipoint control unit MCU, comprising:

the establishing unit is used for establishing a third video channel with the video conference terminal;

and the management unit is used for sending the main video code stream of the selected video conference terminal to the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

A video conference terminal of the type 12, , comprising:

the establishing unit is used for establishing a third video channel with the multipoint control unit MCU;

and the management unit is used for receiving the main video code stream of the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

The video conference system of 13, comprises a multipoint control unit MCU and a video conference terminal, and is characterized in that,

the MCU is used for establishing a third video channel with the video conference terminal and also used for sending a main video code stream of the selected video conference terminal to the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal

And the video conference terminal is used for receiving the main video code stream of the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

14, multipoint control unit MCU comprising a memory, a processor and a computer program stored on said memory and executable on said processor, said computer program when executed by said processor implementing the video conference control method of any of claims 1 to 5 .

Video conference terminal of , characterized in that it comprises a memory, a processor and a computer program stored on said memory and executable on said processor, said computer program, when executed by said processor, implementing a video conference control method according to any of claims 6 to 10 as .

16, computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon an information processing program which, when executed by a processor, implements the steps of the video conference control method according to any of claims 1 to 10, .

Technical Field

The embodiment of the invention relates to, but is not limited to, video conference control methods, a multipoint control unit and a video conference terminal.

Background

The video conference is a real-time, bidirectional or multi-party video communication conference held by video conference terminal equipment and a video conference Multipoint Control Unit (MCU), and remote training, conference and teaching can be conveniently carried out on multiple places through the video conference.

The current conference television system has three conference control modes, is a chairman control mode, wherein a main conference place and branch conference places exist in a conference, a conference place where the chairman is located is the main conference place, other conference places are the branch conference places, the chairman can initiatively call a certain branch conference place to speak, so that other branch conference places can listen to and watch the conference place which is called to speak, but the branch conference place needs to apply for speaking to the main conference place, and the chairman can speak after approval.

Disclosure of Invention

In view of this, the present invention provides video conference control methods, including:

the MCU and the video conference terminal establish a third video channel;

and when the video conference terminal is used as the video conference terminal selected for watching, sending the main video code stream of the video conference terminal selected for watching to the video conference terminal selected for watching through the third video channel.

The embodiment of the invention also provides video conference control methods, which are applied to video conference terminals and comprise the following steps:

establishing a third video channel with the multipoint control unit MCU;

and when the video conference terminal is used as a video conference terminal selected for watching, receiving a main video code stream of the video conference terminal selected for watching through the third video channel.

The embodiment of the present invention further provides multipoint control units MCUs, including:

the establishing unit is used for establishing a third video channel with the video conference terminal;

and the management unit is used for sending the main video code stream of the selected video conference terminal to the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

The embodiment of the present invention further provides video conference terminals, including:

the establishing unit is used for establishing a third video channel with the multipoint control unit MCU;

and the management unit is used for receiving the main video code stream of the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

The embodiment of the invention also provides video conference systems, which comprise a multipoint control unit MCU and a video conference terminal,

the MCU is used for establishing a third video channel with the video conference terminal and also used for sending a main video code stream of the selected video conference terminal to the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal

And the video conference terminal is used for receiving the main video code stream of the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

The embodiment of the present invention further provides multipoint control unit MCUs, which include a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements the video conference control method executed by the multipoint control unit.

The embodiment of the present invention further provides video conference terminals, which include a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements the video conference control method executed by the video conference terminal.

An embodiment of the present invention further provides computer-readable storage media, where the computer-readable storage media stores information processing programs, and when the information processing programs are executed by a processor, the information processing programs implement the steps of the video conference control method in any of items.

Compared with the prior art, the embodiment of the invention provides video conference control methods, a multipoint control unit and video conference terminals, wherein the of the video conference control method comprises the steps of establishing a third video channel between an MCU and the video conference terminals, and sending a main video code stream of a selected video conference terminal to the selected video conference terminal through the third video channel when the video conference terminal is used as the selected video conference terminal.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the present invention and constitute a part of this specification, serve to explain the present invention with example of the present application and do not constitute a limitation on the present invention.

Fig. 1 is a schematic structural diagram of a video conference system in the prior art;

fig. 2 is a schematic flowchart of a video conference control method according to an embodiment of the present invention;

fig. 3 is a schematic flowchart of a video conference control method according to a second embodiment of the present invention;

fig. 4 is a schematic flowchart of a video conference control method according to a third embodiment of the present invention;

fig. 5 is a schematic flowchart of a video conference control method according to a fourth embodiment of the present invention;

fig. 6 is a schematic flowchart of a video conference control method according to a fifth embodiment of the present invention;

fig. 7 is a schematic flowchart of a video conference control method according to a sixth embodiment of the present invention;

fig. 8 is a schematic flowchart of a video conference control method according to a seventh embodiment of the present invention;

fig. 9 is a schematic flowchart of a video conference control method according to an eighth embodiment of the present invention;

fig. 10 is a schematic structural diagram of a multipoint control unit MCU according to the ninth embodiment of the present invention;

fig. 11 is a schematic structural diagram of another of the MCU according to the ninth embodiment of the present invention;

fig. 12 is a schematic structural diagram of a video conference terminal according to a tenth embodiment of the present invention;

fig. 13 is a schematic structural diagram of another of the video conference terminal according to the tenth embodiment of the present invention;

fig. 14 is a schematic structural diagram of a video conference system provided in a tenth embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The steps illustrated in the flowchart of the figure may be performed in a computer system such as sets of computer-executable instructions and, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than that illustrated herein.

Fig. 1 is a schematic structural diagram of a video conference system in the prior art, as shown in fig. 1, the entire video conference system mainly includes a video conference terminal and a multipoint control unit MCU, after a main video and an auxiliary video image are collected by a video conference terminal, the main video and the auxiliary video image are compressed by video coding algorithms such as h.265, h.264/h.263 and the like, and then are transmitted to the MCU or a far-end video conference terminal through an video channel and a second video channel, after the far-end video conference terminal receives a code stream, the code stream is decoded by h.265, h.264/h.263 and then is output to a display device through interfaces such as HDMI/DP/DVI and the like for display and output, a display video includes the main video, the auxiliary video and a selected video image.

As for the above-mentioned deficiencies of the existing video conference control methods in the background art, the embodiments of the present invention provide video conference control methods, multipoint control units, and video conference terminals, which can enhance the communication effect of video conference users and improve the use value of a video conference system.