CN104980411A - Control method, server and terminal for video call and video call system - Google Patents
Control method, server and terminal for video call and video call system Download PDFInfo
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Abstract
The invention discloses a control method for a video call. The method comprises the following steps that: a server receives network quality information transmitted by each terminal; the server acquires network quality information with worst network quality of each terminal according to the network quality information transmitted by each terminal; the server adjusts the signal transmission parameter value of the video call of each terminal according to the network quality information with worst network quality; and the server transmits the signal transmission parameter value of the video call of each terminal to each terminal. The invention also discloses a control server, a terminal and a system for the video call. Normal proceeding of the video call is ensured.
Description
Technical field
The present invention relates to networking technology area, particularly relate to the control method of video calling, server, terminal and video call system.
Background technology
Video calling, is divided into walking IP circuit and walks ordinary telephone wiring two kinds of modes, be often referred to based on the Internet and mobile Internet, by a kind of communication mode of real-time delivery of voice between terminal and image.
Such as, and along with the development of mobile Internet, people can be communicated by multiple network mode, 2G, 3G, 4G and WIFI.But network quality corresponding to different network modes is also different, the network quality of carrying out video calling under WIFI is better than the network quality of carrying out video calling under other network modes.Therefore in video call process, if when each terminal causes network quality inconsistent after carrying out network mode switching, normally carrying out of video calling will be affected.
Summary of the invention
The main purpose of the embodiment of the present invention is to provide a kind of control method of video calling, server, terminal and video call system, is intended to ensure normally carrying out of video calling.
For achieving the above object, embodiments provide a kind of control method of video calling, comprise the following steps:
Server receives the network quality information that each terminal sends;
The network quality information that server sends according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
The network quality information that server is the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
The signal transmission parameters value of described each terminal video call is sent to each terminal by server.
Further, the embodiment of the present invention additionally provides a kind of control method of video calling, comprises the following steps:
Each terminal of built vertical video calling obtains the network quality information of oneself;
The described network quality information obtained is sent to server; For the network quality information that server sends according to described each terminal, regulate the signal transmission parameters value that each terminal video is conversed;
The signal transmission parameters value that each terminal reception server issues;
Video calling control is carried out according to described signal transmission parameters.
Further, the embodiment of the present invention additionally provides a kind of Control Server of video calling, comprising:
Receiver module, for receiving the network quality information that each terminal sends;
Comparison module, for the network quality information sent according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
Control module, for the network quality information the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
Sending module, for being sent to each terminal by the signal transmission parameters value of described each terminal video call.
Further, the embodiment of the present invention additionally provides a kind of terminal of video calling, comprising:
Data obtaining module, for obtaining the network quality information of oneself;
Communication module, for being sent to server by the described network quality information obtained; For the network quality information that server sends according to described each terminal, regulate the signal transmission parameters value that each terminal video is conversed; Also for signal transmission parameters value that reception server issues;
Control module, for carrying out video calling control according to described signal transmission parameters.
Further, the embodiment of the present invention additionally provides a kind of video call system, comprise the Control Server of said structure and the terminal of at least two said structures, described terminal and Control Server carry out communication, and described Control Server controls to carry out video calling between each terminal.
The embodiment of the present invention by the network quality situation of each terminal in monitoring video call process, and according to the change of network quality, adjusts the transmission of each terminal video data, to ensure the quality of video calling.
Accompanying drawing explanation
Fig. 1 is the structural representation of video call system one embodiment of the present invention;
Fig. 2 is the high-level schematic functional block diagram of Control Server first embodiment of video calling of the present invention;
Fig. 3 is the high-level schematic functional block diagram of Control Server second embodiment of video calling of the present invention;
Fig. 4 is the high-level schematic functional block diagram of the terminal preferred embodiment of video calling of the present invention;
Fig. 5 is the schematic flow sheet of control method first embodiment of video calling of the present invention;
Fig. 6 is the schematic flow sheet of control method second embodiment of video calling of the present invention;
Fig. 7 is the schematic flow sheet of control method the 3rd embodiment of video calling of the present invention;
Fig. 8 is the schematic flow sheet of control method the 4th embodiment of video calling of the present invention;
Fig. 9 is the schematic flow sheet of control method the 5th embodiment of video calling of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Carry out in video call process for solving terminal, because when the switching of network type or other reasons cause network capabilities to decline, video calling cannot carry out with guaranteeing both quality and quantity, and even cannot go on and the problem stopped, the invention provides a kind of Control Server of video calling.As shown in Figure 1, after terminal 1, terminal 2 are all connected by network with terminal 3, video calling is carried out.This Control Server 100 can carry out communication with each terminal, to receive the network quality information that each terminal is uploaded, according to described network quality information, adjusts the signal transmitting and receiving of each terminal, to ensure normally carrying out of video calling.
Above-mentioned terminal 1, terminal 2 and terminal 3 can carry out for PC, panel computer, IPAD, mobile phone or PDA etc. the terminal networking to realize video call function.This video calling can for the 3G visual telephone carried out between mobile phone, the video calling that also can be undertaken by third party software for each terminal, such as Video chat.Be understandable that, it can be consolidated network that above-mentioned Control Server 100 connects the network that the network of each terminal and each terminal carry out video calling, also can be different networks.
As shown in Figure 2, Control Server 100 of the present invention comprises:
Receiver module 11, for receiving the network quality information that each terminal sends;
Comparison module 12, for the network quality information sent according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
Control module 13, for the network quality information the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
Sending module 14, for being sent to each terminal by the signal transmission parameters value of described each terminal video call.
Each terminal periodic ground carries out the network quality information of receiving and transmitting signal in video call process by detecting each leisure, and is uploaded to Control Server 100.This network quality information can comprise up packet loss, network delay, operator to restriction of the network bandwidth etc., and the influencing factor that network quality changes is the switching of network type and the change of signal strength signal intensity.The network quality information that receiver module 11 is uploaded for collecting each terminal, and sort out, the network quality information that each terminal of carrying out same video calling is uploaded is identified.Then comparison module 12 compares the network quality information that each terminal of carrying out same video calling is uploaded, and obtains the network quality information that network quality is the poorest.The signal transmitting and receiving situation of the video calling of each terminal, is adjusted to unanimously for foundation with this poorest network quality information by confession control module 13.The adjustment parameter that this control module 13 produces will be sent to each terminal by sending module 14.
The embodiment of the present invention by the network quality situation of each terminal in monitoring video call process, and according to the change of network quality, adjusts the transmission of each terminal video data, to ensure the quality of video calling.
Above-mentioned comparison module 12 specifically for: according to the network quality information of the more each terminal of comparison rule preset, determine the network quality information that described network quality is the poorest.This comparison rule preset can be carried out entirety to all network quality information and be compared, or only compares with wherein one or more network quality information.When the signal strength signal intensity that current network covers reduces or network type switches, if still carry out transmitting video data with current transformation parameter, then cannot ensure normally carrying out of video calling.The terminal now network quality being found the poorest by comparison module 12.
Above-mentioned control module 13 specifically for: according to the change of the poorest network quality information of described network quality, regulate the screen resolution corresponding with the change of described network quality information and Signal transmissions frame per second.
Particularly, the change that can occur according to twice network quality before and after the terminal of the poorest network quality information of described network quality, regulate the screen resolution corresponding to current network quality and Signal transmissions frame per second, such as, packet loss rises, network delay increases, bandwidth restriction declines, then reduce frame per second.In like manner, according to regulated screen resolution and Signal transmissions frame per second, the Signal transmissions of each terminal is regulated.
Further, in the Control Server of this video calling, control module 13 also for: screen resolution is after the adjustment lower than a screen resolution threshold value, or adjust after Signal transmissions frame per second lower than a Signal transmissions frame per second threshold value time, then produce the control command of closing view data transmitting function.Described sending module 14 also for: the control command of described closedown view data transmitting function is sent to each terminal.Or, described control module 13 also for: close in view data transmitting function, and the screen resolution after adjustment is higher than a screen resolution threshold value, or the Signal transmissions frame per second after adjustment is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function.Described sending module 14 also for: the control command of described unlatching view data transmitting function is sent to each terminal.
The embodiment of the present invention is in video call process, Control Server can change according to the network quality of each terminal, adjust screen resolution and the Signal transmissions frame per second of each terminal, even control unlatching or the closedown of image transmission function, both ensure that normally carrying out of video calling, and make again the quality of video calling automatically adjust with the change of each terminal current network.
Be described switching to the control procedure of video calling under 3G pattern by WIFI pattern in a video calling below.Terminal 1 and terminal 2 all carry out video calling under WIFI pattern, in video call process, terminal 1 has broken away the overlayable scope of WIFI, and terminal 1 switches to 3G pattern (also can be 4G pattern) by WIFI pattern, and now the quality of this terminal 1 current network also can decline thereupon.The network quality that Control Server 100 monitors this terminal 1 is poorer than the network quality of terminal 2, therefore the signal transmission parameters of terminal 2 is adjusted according to the change of the network quality of this terminal 1, such as control terminal 2 switches to 3G pattern by WIFI pattern, or the screen resolution of terminal 2 and Signal transmissions frame per second is adjusted to and matches with the screen resolution of terminal 1 and Signal transmissions frame per second.
When the continuous quality of terminal 1 current network declines, Control Server 100 also by the signal transmission parameters of lasting adjustment terminal, to ensure that the video calling between terminal 1 and terminal 2 normally carries out.When the screen resolution of terminal 2 of Control Server adjustment and Signal transmissions frame per second corresponding to corresponding threshold value, then the transfer function controlling view data is closed, and only retains the transmission of speech data.
When terminal 1 switches to WIFI pattern by 3G pattern, the quality of terminal 1 current network will rise again.And Control Server 100 to monitor the network quality of this terminal 2 poorer than the network quality of terminal 1, and the signal transmission parameters of terminal 1 is adjusted according to the change of the network quality of this terminal 2, the transfer function of the such as view data of control terminal 2 is opened, the screen resolution of adjustment terminal 2 and signal transfer rate.
Be understandable that, the mode that above-described embodiment Control Server can add required general hardware platform by software realizes, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.As shown in Figure 3, this Control Server 100 comprises: processor 101, memory 102, user interface 103, network interface 104 and communication bus 105.Communication bus 105 is for the communication between building block each in home server, and user interface 103 is for receiving the information of user's input, and this user interface can be wireline interface and wave point, such as keyboard, mouse etc.Network interface 104 communicates mutually with outside for Control Server 100, and this network interface also can include line interface and wave point.Memory 102 can comprise one or more computer-readable recording mediums, and it not only comprises internal storage, also comprises external memory storage.Operating system and video calling controlling application program etc. is stored in this memory.Processor 101 for calling the video calling controlling application program in memory 102, to perform following operation:
The network quality information of each terminal transmission is received by network interface 104;
The network quality information that processor 101 sends according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
The network quality information that processor 101 is the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
By network interface 104, the signal transmission parameters value of described each terminal video call is sent to each terminal.
Further, described network quality information comprises the restriction to the network bandwidth of up packet loss, network delay and operator, described processor 101 for calling the video calling controlling application program in memory 102, to perform following operation:
Described processor 101, according to the network quality information of the more each terminal of comparison rule preset, determines the network quality information that described network quality is the poorest;
Described processor 101, according to the change of the poorest network quality information of described network quality, regulates the screen resolution corresponding with the change of described network quality information and Signal transmissions frame per second.
Further, described processor 101 for calling the video calling controlling application program in memory 102, to perform following operation:
If the screen resolution after regulating is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, and described processor 101 produces the control command of cutting out view data transmitting function;
By network interface 104, described control command is sent to each terminal.Or,
If view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second calculated is higher than a Signal transmissions frame per second threshold value, described processor 101 produces the control command of opening view data transmitting function;
By network interface, the control command of described unlatching view data transmitting function is sent to each terminal.
As shown in Figure 4, the invention allows for a kind of terminal of video calling, this terminal 200 comprises:
Data obtaining module 21, for obtaining the network quality information of oneself;
Communication module 22, for being sent to server by the described network quality information obtained; For the network quality information that server sends according to described each terminal, regulate the signal transmission parameters value that each terminal video is conversed; Also for signal transmission parameters value that reception server issues;
Control module 23, for carrying out video calling control according to described signal transmission parameters.
The terminal of built vertical video calling by by data obtaining module 21 periodically sense terminals at the network quality information carrying out receiving and transmitting signal in video call process.This network quality information can comprise up packet loss, network delay, operator to restriction of the network bandwidth etc., and the influencing factor that network quality changes is the switching of network type and the change of signal strength signal intensity.Terminal carries out communication by communication module 22 and server, is uploaded to Control Server 100 with the network quality information obtained by data obtaining module 21.Control Server 100 compares the network quality information that each terminal of carrying out same video calling is uploaded, obtain the network quality information that network quality is the poorest, with this poorest network quality information for foundation, the signal transmitting and receiving situation of the video calling of each terminal is adjusted to unanimously.And produce adjustment parameter, then adjustment parameter is issued to each terminal.After the communication module 22 of terminal receives this adjustment parameter, according to described adjustment state modulator video calling.
The embodiment of the present invention by the network quality situation of each terminal in monitoring video call process, and uploads onto the server, and to make server according to the change of network quality, adjusts the transmission of each terminal video data, to ensure the quality of video calling.
Above-mentioned Control Server 100, according to the change of the poorest network quality information of described network quality, regulates the screen resolution corresponding with the change of described network quality information and Signal transmissions frame per second.Can refer to the description of Control Server embodiment above about concrete adjustment process, just repeat no more at this.
Screen resolution after above-mentioned Control Server 100 also regulates for: server is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, described server produces the control command of closing view data transmitting function, and the control command of described closedown view data transmitting function is sent to each terminal.Therefore, terminal receives the control command of the closedown view data transmitting function that described Control Server 100 issues by communication module 22; Then control module 23 closes view data transmitting function.
Above-mentioned Control Server 100 also for: screen resolution after the adjustment lower than a screen resolution threshold value, or adjust after Signal transmissions frame per second lower than a Signal transmissions frame per second threshold value time, then produce the control command of closing view data transmitting function.Or, for closing in view data transmitting function, and the screen resolution after adjustment is higher than a screen resolution threshold value, or the Signal transmissions frame per second after adjustment is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function.Then the control command of described unlatching view data transmitting function is sent to each terminal by server.Therefore, terminal receives the control command of the unlatching view data transmitting function that described Control Server 100 issues by communication module 22, and then control module 23 opens view data transmitting function.
The embodiment of the present invention is in video call process, Control Server can change according to the network quality of each terminal, adjust screen resolution and the Signal transmissions frame per second of each terminal, even control unlatching or the closedown of image data transport functions, both ensure that normally carrying out of video calling, and make again the quality of video calling automatically adjust with the change of each terminal current network.
Corresponding above-mentioned Control Server embodiment, the invention allows for a kind of control method of video calling, as shown in Figure 5, the control method of this video calling comprises the following steps:
Step S101, server receive the network quality information that each terminal sends;
Each terminal periodic ground carries out the network quality information of receiving and transmitting signal in video call process by detecting each leisure, and is uploaded to Control Server 100.Described network quality information comprises the signal strength signal intensity that current network can carry.
The network quality information that step S102, server send according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
Particularly, this network quality information can comprise up packet loss, network delay, operator to restriction of the network bandwidth etc., and the influencing factor that network quality changes is the switching of network type and the change of signal strength signal intensity.According to the network quality information of the more each terminal of comparison rule preset, determine the network quality information that described network quality is the poorest.This comparison rule preset can be carried out entirety to all network quality information and be compared, or only compares with wherein one or more network quality information.
The network quality information that step S103, server are the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
Particularly, the change that can occur according to twice network quality before and after the terminal of the poorest network quality information of described network quality, regulate the screen resolution corresponding to current network quality and Signal transmissions frame per second, such as, packet loss rises, network delay increases, bandwidth restriction declines, then reduce frame per second.In like manner, according to regulated screen resolution and Signal transmissions frame per second, the Signal transmissions of each terminal is regulated.
The signal transmission parameters value of described each terminal video call is sent to each terminal by step S104, server.
The embodiment of the present invention by the network quality situation of each terminal in monitoring video call process, and according to the change of network quality, adjusts the transmission of each terminal video data, to ensure the quality of video calling.
Further, as shown in Figure 6, also comprise after above-mentioned steps S103:
If the screen resolution after step S105 regulates is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, then produce the control command of closing view data transmitting function;
Described control command and Signal transmissions frame per second are sent to each terminal by step S106, server.
In the present embodiment, a screen resolution threshold value and Signal transmissions frame per second threshold value will be set.When screen resolution lower than screen resolution threshold value or Signal transmissions frame per second lower than Signal transmissions frame per second threshold value time, all will close view data transmitting function, to ensure that voice data continues transmission.
Further, as shown in Figure 7, also comprise after above-mentioned steps S103:
If step S107 view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function;
The control command of described unlatching view data transmitting function is sent to each terminal by step S108, server.
In the present embodiment, a screen resolution threshold value and Signal transmissions frame per second threshold value will be set.When original view data function is closed, and the screen resolution threshold value after regulating higher than screen resolution threshold value or Signal transmissions frame per second higher than Signal transmissions frame per second threshold value time, then can open image data transmission function, thus ensure the integrality of transfer of data.
The embodiment of the present invention is in video call process, Control Server can change according to the network quality of each terminal, adjust screen resolution and the Signal transmissions frame per second of each terminal, even control unlatching or the closedown of image transmission function, both ensure that normally carrying out of video calling, and make again the quality of video calling automatically adjust with the change of each terminal current network.
Be described switching to the control procedure of video calling under 3G pattern by WIFI pattern in a video calling below.Terminal 1 and terminal 2 all carry out video calling under WIFI pattern, in video call process, terminal 1 has broken away the overlayable scope of WIFI, and terminal 1 switches to 3G pattern (also can be 4G pattern) by WIFI pattern, and now the quality of this terminal 1 current network also can decline thereupon.The network quality that Control Server 100 monitors this terminal 1 is poorer than the network quality of terminal 2, therefore the signal transmission parameters of terminal 2 is adjusted according to the change of the network quality of this terminal 1, such as control terminal 2 switches to 3G pattern by WIFI pattern, or the screen resolution of terminal 2 and Signal transmissions frame per second is adjusted to and matches with the screen resolution of terminal 1 and Signal transmissions frame per second.
When the continuous quality of terminal 1 current network declines, Control Server 100 also by the signal transmission parameters of lasting adjustment terminal, to ensure that the video calling between terminal 1 and terminal 2 normally carries out.When the screen resolution of terminal 2 of Control Server adjustment and Signal transmissions frame per second corresponding to corresponding threshold value, then the transfer function controlling view data is closed, and only retains the transmission of speech data.
When terminal 1 switches to WIFI pattern by 3G pattern, the quality of terminal 1 current network will rise again.And Control Server 100 to monitor the network quality of this terminal 2 poorer than the network quality of terminal 1, and the signal transmission parameters of terminal 1 is adjusted according to the change of the network quality of this terminal 2, the transfer function of the such as view data of control terminal 2 is opened, the screen resolution of adjustment terminal 2 and signal transfer rate.
Corresponding above-mentioned terminal embodiment, the invention allows for a kind of control method of video calling, as shown in Figure 8, the control method of this video calling comprises the following steps:
Each terminal of step S201, built vertical video calling obtains the network quality information of oneself;
Step S202, by obtain described network quality information be sent to server; For the network quality information that server sends according to described each terminal, regulate the signal transmission parameters value that each terminal video is conversed;
The signal transmission parameters value that step S203, each terminal reception server issue;
Step S204, carry out video calling control according to described signal transmission parameters.
The terminal periodic ground sense terminals of built vertical video calling is at the network quality information carrying out receiving and transmitting signal in video call process.This network quality information can comprise up packet loss, network delay, operator to restriction of the network bandwidth etc., and the influencing factor that network quality changes is the switching of network type and the change of signal strength signal intensity.Terminal will carry out communication with Control Server 100, so that obtained network quality information is uploaded to Control Server 100.Control Server 100 compares the network quality information that each terminal of carrying out same video calling is uploaded, obtain the network quality information that network quality is the poorest, with this poorest network quality information for foundation, the signal transmitting and receiving situation of the video calling of each terminal is adjusted to unanimously.And produce adjustment parameter, then adjustment parameter is issued to each terminal.After terminal receives this adjustment parameter, according to described adjustment state modulator video calling.
The embodiment of the present invention by the network quality situation of each terminal in monitoring video call process, and uploads onto the server, and to make server according to the change of network quality, adjusts the transmission of each terminal video data, to ensure the quality of video calling.
Above-mentioned Control Server 100, according to the change of the poorest network quality information of described network quality, regulates the screen resolution corresponding with the change of described network quality information and Signal transmissions frame per second.Can refer to the description of Control Server embodiment above about concrete adjustment process, just repeat no more at this.
If the screen resolution after server regulates is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, described server produces the control command of closing view data transmitting function, and the control command of described closedown view data transmitting function is sent to each terminal; Then described each terminal will receive the control command of described closedown view data transmitting function, and closes view data transmitting function according to this control command.
If view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function; And the control command of described unlatching view data transmitting function is sent to each terminal; Then described each terminal will receive the control command of described unlatching view data transmitting function, and opens view data transmitting function according to this control command.
The embodiment of the present invention is in video call process, Control Server can change according to the network quality of each terminal, adjust screen resolution and the Signal transmissions frame per second of each terminal, even control unlatching or the closedown of image data transport functions, both ensure that normally carrying out of video calling, and make again the quality of video calling automatically adjust with the change of each terminal current network.
Accordingly, the embodiment of the present invention also proposed a kind of control method of video calling, and as shown in Figure 9, for the video calling between two terminals, the control method of this video calling is further comprising the steps of:
Step S301, between terminal 1 and terminal 2, set up video calling;
Step S302, carrying out in video call process, terminal 1 and terminal 2 obtain the network quality information of oneself, and send it to Control Server;
The network quality information that step S303, Control Server are uploaded according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
Step S304, Control Server, according to the change of the poorest network quality information of described network quality, regulate the screen resolution corresponding with the change of the poorest described network quality information and Signal transmissions frame per second;
Step S305, Control Server issue regulated screen resolution and Signal transmissions frame per second extremely each terminal;
Step S306, each terminal receive described screen resolution and Signal transmissions frame per second, and carry out video calling control;
Screen resolution after step S307, Control Server server regulate is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, described Control Server produces the control command of closing view data transmitting function;
Step S308, Control Server issue the control command of described closedown view data transmitting function to each terminal;
Step S309, each terminal receive the control command of described closedown view data transmitting function, and close view data transmitting function;
If step S310 view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, then Control Server produces the control command of opening view data transmitting function; And the control command of described unlatching view data transmitting function is sent to each terminal;
Step S311, Control Server issue the control command of described unlatching view data transmitting function to each terminal;
Step S312, each terminal receive the control command of described unlatching view data transmitting function, and open view data transmitting function.
The embodiment of the present invention by the network quality situation of each terminal in monitoring video call process, and uploads onto the server, and to make server according to the change of network quality, adjusts the transmission of each terminal video data, to ensure the quality of video calling.
The foregoing is only the preferred embodiments of the present invention; not thereby its scope of the claims is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (19)
1. a control method for video calling, is characterized in that, comprises the following steps:
Server receives the network quality information that each terminal sends;
The network quality information that server sends according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
The network quality information that server is the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
The signal transmission parameters value of described each terminal video call is sent to each terminal by server.
2. the control method of video calling as claimed in claim 1, it is characterized in that, described network quality information comprises the restriction to the network bandwidth of up packet loss, network delay and operator, the network quality information that described server sends according to each terminal, the network quality information obtaining the network quality of each terminal the poorest comprises:
Server, according to the network quality information of the more each terminal of comparison rule preset, determines the network quality information that described network quality is the poorest.
3. the control method of video calling as claimed in claim 2, it is characterized in that, the network quality information that described server is the poorest according to described network quality, the signal transmission parameters value regulating each terminal video to converse comprises:
Described server, according to the change of the poorest network quality information of described network quality, regulates the screen resolution corresponding with the change of the poorest described network quality information and Signal transmissions frame per second.
4. the control method of video calling as claimed in claim 3, is characterized in that, also comprise after the screen resolution that described adjustment is corresponding with the change of the poorest described network quality information and Signal transmissions frame per second:
If the screen resolution after regulating is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, then produce the control command of closing view data transmitting function;
Described control command is sent to each terminal by server.
5. the control method of video calling as claimed in claim 3, is characterized in that, also comprise after the screen resolution that described adjustment is corresponding with the change of the poorest described network quality information and Signal transmissions frame per second:
If view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function;
The control command of described unlatching view data transmitting function is sent to each terminal by server.
6. a control method for video calling, is characterized in that, comprises the following steps:
Each terminal of built vertical video calling obtains the network quality information of oneself;
The described network quality information obtained is sent to server; For the network quality information that server sends according to described each terminal, regulate the signal transmission parameters value that each terminal video is conversed;
The signal transmission parameters value that each terminal reception server issues;
Video calling control is carried out according to described signal transmission parameters.
7. the control method of video calling as claimed in claim 6, it is characterized in that, described network quality information comprises the restriction to the network bandwidth of up packet loss, network delay and operator, and described signal transmission parameters value comprises screen resolution and Signal transmissions frame per second.
8. the control method of video calling as claimed in claim 7, it is characterized in that, if the screen resolution after server regulates is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, described server produces the control command of closing view data transmitting function, and the control command of described closedown view data transmitting function is sent to each terminal;
When described each terminal receives the control command of described closedown view data transmitting function, close view data transmitting function.
9. the control method of video calling as claimed in claim 7, it is characterized in that, if view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function; And the control command of described unlatching view data transmitting function is sent to each terminal;
When described each terminal receives the control command of described unlatching view data transmitting function, open view data transmitting function.
10. a Control Server for video calling, is characterized in that, comprising:
Receiver module, for receiving the network quality information that each terminal sends;
Comparison module, for the network quality information sent according to each terminal, obtains the network quality information that the network quality of each terminal is the poorest;
Control module, for the network quality information the poorest according to described network quality, regulates the signal transmission parameters value that each terminal video is conversed;
Sending module, for being sent to each terminal by the signal transmission parameters value of described each terminal video call.
The Control Server of 11. video callings as claimed in claim 10, it is characterized in that, described network quality information comprises the restriction to the network bandwidth of up packet loss, network delay and operator, described comparison module is used for: according to the network quality information of the more each terminal of comparison rule preset, determine the network quality information that described network quality is the poorest.
The Control Server of 12. video callings as claimed in claim 11, it is characterized in that, described control module is used for: according to the change of the poorest network quality information of described network quality, regulate the screen resolution corresponding with described minimum signal strength signal intensity with the change of described network quality information and Signal transmissions frame per second.
The Control Server of 13. video callings according to claim 12, it is characterized in that, described control module also for: when regulate after screen resolution lower than a screen resolution threshold value, or when the Signal transmissions frame per second calculated is lower than a Signal transmissions frame per second threshold value, then produce the control command of closing view data transmitting function;
Described sending module also for: the control command of described closedown view data transmitting function is sent to each terminal.
The Control Server of 14. video callings as claimed in claim 12, it is characterized in that, described control module also for: close in view data transmitting function, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, then produce the control command of opening view data transmitting function;
Described sending module also for: the control command of described unlatching view data transmitting function is sent to each terminal.
The terminal of 15. 1 kinds of video callings, is characterized in that, comprising:
Data obtaining module, for obtaining the network quality information of oneself;
Communication module, for being sent to server by the described network quality information obtained; For the network quality information that server sends according to described each terminal, regulate the signal transmission parameters value that each terminal video is conversed; Also for signal transmission parameters value that reception server issues;
Control module, for carrying out video calling control according to described signal transmission parameters.
The terminal of 16. video callings as claimed in claim 15, it is characterized in that, described network quality information comprises the restriction to the network bandwidth of up packet loss, network delay and operator, and described signal transmission parameters value comprises screen resolution and Signal transmissions frame per second.
17. as the terminal of the video calling of claim 16, it is characterized in that, if the screen resolution after server regulates is lower than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is lower than a Signal transmissions frame per second threshold value, described server produces the control command of closing view data transmitting function, and the control command of described closedown view data transmitting function is sent to each terminal;
Described communication module is also for the control command that receives the closedown view data transmitting function that described server issues;
Described control module also for: close view data transmitting function.
The terminal of 18. video callings as claimed in claim 16, it is characterized in that, if view data transmitting function is closed, and the screen resolution after regulating is higher than a screen resolution threshold value, or the Signal transmissions frame per second after regulating is higher than a Signal transmissions frame per second threshold value, described server produces the control command of opening view data transmitting function; And the control command of described unlatching view data transmitting function is sent to each terminal;
Described communication module is also for the control command that receives described unlatching view data transmitting function;
Described control module also for: open view data transmitting function.
19. 1 kinds of video call systems, is characterized in that, comprise at least two terminals and control to carry out between each terminal the server of video calling, and wherein said server is the Control Server described in any one of claim 10-14; Described terminal is the terminal of the video calling described in any one of claim 15-18.
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