CN109831637A - Data transmission method, server and system in a kind of video conference - Google Patents
Data transmission method, server and system in a kind of video conference Download PDFInfo
- Publication number
- CN109831637A CN109831637A CN201711186412.9A CN201711186412A CN109831637A CN 109831637 A CN109831637 A CN 109831637A CN 201711186412 A CN201711186412 A CN 201711186412A CN 109831637 A CN109831637 A CN 109831637A
- Authority
- CN
- China
- Prior art keywords
- conference
- conference terminal
- data
- code rate
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Abstract
The embodiment of the invention provides data transmission method, server and systems in a kind of video conference, wherein this method comprises: determining the ability class and the corresponding coding rule of each ability class of multiple conference terminals in video conference；One or many codings are carried out to data to be transmitted according to the corresponding coding rule of each ability class；Data after coding are sent to the conference terminal that the respectively coding rule corresponds to ability class.Pass through the above method, videoconference server can be encoded accordingly according to the ability class of conference terminal, by the Unified coding that the comparable one or more terminals of ability are carried out with data, ensure that the quality of conference terminal video, it encodes number simultaneously to substantially reduce compared to absolute coding, reduces the performance loss of video conferencing system.
Description
Technical field
The present invention relates to the communications field, in particular to data transmission method, server in a kind of video conference and it is
System.
Background technique
Traditional video conferencing system generally uses two kinds of coding modes.One is Unified codings, i.e. video conference service
Device all encodes participant terminal using the same resolution ratio, frame per second, code rate, and the data after coding are sent to each end
End equipment.Using Unified coding, server only carries out first encoding, and performance consumption is minimum, but only due to each conference terminal
Unified picture can be received, the video quality at meeting end then cannot be guaranteed that high definition conference end is particularly evident.Another kind is independent volume
Code, i.e., videoconference server is respectively adopted its respective resolution ratio, frame per second, code rate to participant terminal and encodes.By only
Vertical coding can guarantee the video quality of all conference terminals, but server needs are repeatedly encoded, and compare consumption media
Energy.
With high-performance, large capacity, high quality video conference needs, it is desirable that media server have high-adaptability and
High-performance utilization rate, although and traditional Unified coding can guarantee that media capabilities not can guarantee video quality, and it is independent
Although coding can guarantee video quality but not can guarantee media capabilities.
Summary of the invention
The embodiment of the invention provides data transmission method, server and systems in a kind of video conference, existing to solve
There is the problem of Video coding cannot be considered in terms of performance and consumption in technology.
To solve the above problems, the technical solution of the embodiment of the present invention is accomplished by
Data transmission method in a kind of video conference, comprising:
Determine the ability class and the corresponding coding rule of each ability class of multiple conference terminals in video conference；
One or many codings are carried out to data to be transmitted according to the corresponding coding rule of each ability class；
Data after coding are sent to the conference terminal that each coding rule corresponds to ability class.
Further, the ability class of multiple conference terminals and the corresponding volume of each ability class in determining video conference
Before code rule, the method also includes:
Obtain the media parameter information of the multiple conference terminal, wherein the media parameter information includes code rate, differentiates
Rate and frame per second；
The ability class of the multiple conference terminal is set according to the media parameter information.
Further, the media parameter information for obtaining the multiple conference terminal includes:
Receive the current downlink code rate of the first conference terminal feedback, wherein first conference terminal is in video conference
It is provided with the conference terminal of miscellaneous function, the miscellaneous function includes Quality of experience QoE, automatic lifting speed or the reversed error correction of FEC；
Obtain the uplink code rate of the second conference terminal, wherein second conference terminal is not set auxiliary in video conference
The conference terminal of assist energy.
Further, the media parameter information for obtaining the multiple conference terminal includes:
In the case where first conference terminal is provided with automatic lifting speed and FEC function, it is corresponding to receive FEC function
Current downlink code rate.
Further, the uplink code rate for obtaining the second conference terminal includes:
Judge whether that the data sent to second conference terminal are decoded；
In the case where the judgment result is yes, detection obtains the current uplink code rate of second conference terminal；
If the determination result is NO, the negotiation code rate of acquisition second conference terminal or second meeting
Terminal stops the uplink code rate detected before decoding.
Further, it is described data to be transmitted is carried out according to each ability class corresponding coding rule it is primary or more
Secondary coding includes:
The data to be transmitted is carried out according to the corresponding frame per second of each ability class, resolution ratio and code rate primary or more
Secondary coding；Alternatively,
In the case where one or more conference terminals leave video conference, energy corresponding to the conference terminal left is determined
The minimum code rate of remaining conference terminal in power class；
The data to be transmitted is encoded according to the minimum code rate.
Further, the ability class of multiple conference terminals includes: in the determining video conference
In the case where detecting that the media parameter information of one or more conference terminals changes, according to variation
The ability class of the one or more conference terminals of media parameter information adjustment afterwards.
Further, data to be transmitted is carried out according to each ability class corresponding coding rule it is one or many
Before coding, further includes:
Receive the video data that multiple conference terminals are sent；
Layout is carried out to the multiple video datas received and obtains the data to be transmitted.
The embodiment of the invention also provides a kind of videoconference servers, including memory and processor, which is characterized in that
Data transfer instruction is stored in the memory, the processor is by executing the data transfer instruction to realize institute as above
Any method stated.
The embodiment of the invention also provides a kind of video conferencing systems, including multiple conference terminals and video conference service
End, which is characterized in that
The videoconference server, for determining the ability class and each ability class pair of the multiple conference terminal
The coding rule answered；One or many codings are carried out to data to be transmitted according to the corresponding coding rule of each ability class；
Data after coding are sent to the conference terminal that each coding rule corresponds to ability class；
The conference terminal for receiving the data after the coding, and decodes broadcasting.
By the above method, videoconference server can be encoded accordingly according to the ability class of conference terminal,
By the way that the comparable one or more terminals of ability are carried out with the Unified coding of data, the matter of conference terminal video is ensured that
Amount, while encoding number and being substantially reduced compared to absolute coding, reduce the performance loss of video conferencing system.
Detailed description of the invention
Fig. 1 is data transmission method flow chart in a kind of video conference according to embodiment one；
Fig. 2 is a kind of according to embodiments of the present invention one multi-capacity class table；
Fig. 3 is a kind of according to embodiments of the present invention two videoconference server block diagram；
Fig. 4 is a kind of according to embodiments of the present invention three video conferencing system block diagram.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.It needs to illustrate
It is that for the scheme in the following example in the case where not generating conflict, scheme can be in any combination.
Embodiment one
The embodiment of the present invention one provides data transmission method in a kind of video conference.Fig. 1 is one according to embodiment one
Data transmission method flow chart in kind video conference, as shown in Figure 1, method includes the following steps:
S102: the ability class of multiple conference terminals in video conference and the corresponding coding rule of each ability class are determined
Then；
S104: one or many codings are carried out to data to be transmitted according to the corresponding coding rule of each ability class；
S106: the data after coding are sent to the conference terminal that the respectively coding rule corresponds to ability class.
Further, the ability class of multiple conference terminals and the corresponding volume of each ability class in determining video conference
Before code rule, this method further include: obtain the media parameter information of multiple conference terminal, wherein the media parameter information
Including code rate, resolution ratio and frame per second；The ability class of multiple conference terminal is set according to the media parameter information.
Ability class is customized as needed by user.What media parameter information reflected is the video information biography of equipment
Movement Capabilities, wherein code rate and resolution ratio are to influence the parameter of equipment performance the most, and frame per second generally only has 15 and 30 two class,
Compared to the performance of the former less energy conversion unit.It therefore, can be preferably only in accordance with code when the ability class of actual setting equipment
Rate is configured, and is perhaps configured only in accordance with resolution ratio or the combination according to both code rate and resolution ratio is configured.When
So can also take the combination of code rate and frame per second perhaps the combination or code rate of resolution ratio and frame per second, resolution ratio and frame per second knot
Conjunction is configured.
It should be noted that the setting of ability class can be combined with the type of coding of conference terminal, volume common at present
Code type includes: H264BP, H264HP, H265.In the present embodiment, preferably with the type of coding of conference terminal, code rate, resolution ratio
And frame per second determines the ability class of terminal jointly, it is specific as shown in Fig. 2.
Fig. 2 is a kind of according to embodiments of the present invention one multi-capacity class table.Type of coding is divided into multi-capacity class table
H264BP, H264HP, H265.By taking H264BP as an example, 2M and the above code rate, 1080P resolution ratio, 30 frame per second are the first class；
768k~2M code rate, 720P resolution ratio, 30 frame per second are the second class；448k~768k code rate, 448P resolution ratio, 15 frame per second are
Three class；128k~448k code rate, 228P resolution ratio, 15 frame per second are fourth speeds.In the present embodiment, by identical frame per second and identical
The terminal of resolution ratio is set as an ability class.So end of H264BP, 2M and the above code rate, 1080P resolution ratio, 30 frame per second
End, with H264HP, 1M and the above code rate, 1080P resolution ratio, the terminal of 30 frame per second and H265,512K and the above code rate,
1080P resolution ratio, the terminal of 30 frame per second belong to the first class.And so on available second class three equipment, thirds
Three secondary equipment of three equipment and fourth speed of class.In this way, server coding when, for multiple terminals of identical class
Equipment can be encoded according to identical media parameter, generally according to the lowest bit rate in identical class, minimum frame per second, minimum resolution
Rate setting.In this way, server only needs to carry out four codings.
Further, the media parameter information for obtaining multiple conference terminal includes: to receive the first conference terminal to feed back
Current downlink code rate, wherein first conference terminal is the conference terminal that miscellaneous function is provided in video conference, the auxiliary function
It can include Quality of experience QoE, automatic lifting speed or the reversed error correction of FEC；Obtain the uplink code rate of the second conference terminal, wherein should
Second conference terminal is the conference terminal of not set miscellaneous function in video conference.
Downlink code rate refers to the required code rate taken when server sends data to terminal device.Conference terminal informs clothes
Be engaged in device oneself can received code rate, ability class and encoded then server is arranged according to this code rate, so that it may guarantee pair
Terminal is answered to have the ability processing server according to data transmitted by corresponding code stream.In general, if equipment is not provided with auxiliary
Ability, his downing code flow are equivalent to uplink code rate, directly carry out ability shelves according to the uplink code rate of the equipment in this case
Secondary division simultaneously encodes；But if equipment is provided with supporting capacity, his downing code flow will be less than his uplink code rate, this
It needs to carry out the division of ability class according to his downlink code rate in the case of kind and encode.
Further, the media parameter information of the multiple conference terminal of the acquisition includes: to be arranged in first conference terminal
In the case where having automatic lifting speed and FEC function, the corresponding current downlink code rate of FEC function is received.
For tri- kinds of QoS, automatic lifting speed, FEC miscellaneous functions, two kinds of functions of automatic lifting speed and FEC are possible
It is simultaneous, division class is carried out according to the corresponding downlink code rate of FEC in this case.
Further, the uplink code rate of second conference terminal of acquisition includes: to judge whether to send out second conference terminal
The data sent are decoded；In the case where the judgment result is yes, detection obtains the current uplink code rate of second conference terminal；
If the determination result is NO, the negotiation code rate or second conference terminal for obtaining second conference terminal stop decoding
Before the uplink code rate that detects.
When equipment is not provided with miscellaneous function, server can be encoded directly according to the uplink code rate of terminal, this
When can be handled in two kinds of situation again.A kind of situation is that the video that conference terminal uploads will not be decoded and be located by server
Reason.In video conference, server can receive the video data that all terminals of participant are sent, and server is right after receiving the data
Video forms new video data after carrying out layout, and new video data encoding is sent to all conference terminals, in this way
Conference terminal can be shown by screen sees all participants.But in some cases, server may only can be to one
A or several important participants, for example, the video led handled after coding be sent to other conference terminals, for not joining
For the conference terminal of video layout, can according to agreement code rate or stop the uplink that detect of the last time before decoding
Code rate carries out the division of ability class to it, and provides encoding service for it.For participating in the conference terminal of video layout,
The code rate of its uploaded videos may be to float up and down around negotiating code rate, so accurate when in order to handle, need according to reality
When the uplink code rate that detects the division of ability class is carried out to it, and provide encoding service for it.
It is further to note that when video conferencing system is added in conference terminal media parameter can be carried out with server
Negotiate, resolution ratio, the frame per second of negotiation of code rate, negotiation including negotiation, but during actual data transfer, can not exclude
Code rate, resolution ratio, the frame per second situation different from initial negotiation value.
Further, this carries out one or many volumes to data to be transmitted according to the corresponding coding rule of each ability class
Code includes: to carry out one or many volumes to the data to be transmitted according to the corresponding frame per second of each ability class, resolution ratio and code rate
Code；Alternatively, determining energy corresponding to the conference terminal left in the case where one or more conference terminals leave video conference
The minimum code rate of remaining conference terminal in power class；The data to be transmitted is encoded according to the minimum code rate.
It is that identical coded treatment is carried out to the equipment of identical class for the final purpose that conference terminal divides ability class,
To ensure the effect of video, while saving the coding number of server.Therefore, it can be envisaged that the equipment for identical class is come
It says, their coding parameter --- code rate, resolution ratio, frame per second should be consistent.General coding parameter is according to all devices
In minimum code rate, minimum resolution, minimum frame per second carry out initial setting up, ensure that all devices are all had the ability in this way
The coded data that processing server is sent.Once so thering is equipment to exit video conferencing system, equipment in some ability class
Minimum code rate, minimum resolution, minimum frame per second be possible to change, server can dynamically adjust current volume at this time
Code parameter is encoded.But it encodes, can also select according to the minimum code rate of residual terminal, minimum resolution, minimum frame per second
It selects only in accordance with partial parameters adjusted and encodes, but the influence in view of code rate to coding efficiency is maximum, it is generally preferable to extremely
The information of minimum code rate is considered less.
In addition, server can be by the media channel of the terminal from conference member chained list when equipment exits conference system
It deletes, server can also reset the corresponding coding parameter of ability class according to equipment adjusted, or even repartition
Ability class, certain server can not also modify ability class table and corresponding coding parameter, only in actual coding
Carry out dynamic adjustment.
Further, the ability class of multiple conference terminals includes: to detect one or more in the determination video conference
In the case that the media parameter information of a conference terminal changes, according to after variation media parameter information adjust one or
The ability class of multiple conference terminals.
The method that aforesaid way also relates to server dynamic adjustment coding, to bring better coding quality.
Further, one or many volumes are being carried out to data to be transmitted according to the corresponding coding rule of each ability class
Before code, further includes: receive the video data that multiple conference terminals are sent；Layout is carried out to the multiple video datas received
Obtain the data to be transmitted.
Above scheme is the explanation to server process video data.Server receives the video counts that multiple terminals are sent
According to, layout after video data decoding is handled, will treated that data encode again issues all participant equipment, to realize
The basic function of video conference, such conference terminal can be shown by screen sees all participants.
The method of the embodiment of the present invention one may be equally applicable for audio data, but for audio data, matchmaker
Body parameter generally relates only to code rate, therefore is also required to carry out the adjustment of adaptability when ability class and coding is arranged.No
It crosses it should be noted that audio coding consumes very little to server performance compared to Video coding.
Embodiment two
Second embodiment of the present invention provides a kind of videoconference servers.Fig. 3 is according to embodiments of the present invention two one kind
Videoconference server block diagram, as shown in figure 3, the videoconference server includes memory 32 and processor 34, wherein this is deposited
Data transfer instruction is stored in reservoir, the processor is by executing the data transfer instruction to realize following operation:
Determine the ability class and the corresponding coding rule of each ability class of multiple conference terminals in video conference；Foundation
The corresponding coding rule of each ability class carries out one or many codings to data to be transmitted；Data after coding are sent to
Respectively the coding rule corresponds to the conference terminal of ability class.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: obtaining multiple meeting
Discuss the media parameter information of terminal, wherein the media parameter information includes code rate, resolution ratio and frame per second；According to the media parameter
The ability class of multiple conference terminal is arranged in information.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: receiving the first meeting
The current downlink code rate of terminal feedback, wherein first conference terminal is the meeting end that miscellaneous function is provided in video conference
End, which includes Quality of experience QoE, automatic lifting speed or the reversed error correction of FEC；Obtain the uplink code of the second conference terminal
Rate, wherein second conference terminal is the conference terminal of not set miscellaneous function in video conference.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: in first meeting
In the case that terminal is provided with automatic lifting speed and FEC function, the corresponding current downlink code rate of FEC function is received.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: judging whether to this
The data that second conference terminal is sent are decoded；In the case where the judgment result is yes, detection obtains second conference terminal
Current uplink code rate；If the determination result is NO, obtain second conference terminal negotiation code rate or this second
Conference terminal stops the uplink code rate detected before decoding.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: according to each ability
The corresponding frame per second of class, resolution ratio and code rate carry out one or many codings to the data to be transmitted；Alternatively, in one or more
In the case that conference terminal leaves video conference, remaining conference terminal in ability class corresponding to the conference terminal left is determined
Minimum code rate；The data to be transmitted is encoded according to the minimum code rate.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: detecting one
Or in the case that the media parameter information of multiple conference terminals changes, according to the media parameter information adjustment one after variation
The ability class of a or multiple conference terminals.
Further, which, which also passes through, executes the data transfer instruction to realize following operation: receiving multiple meetings
Discuss the video data that terminal is sent；Layout is carried out to the multiple video datas received and obtains the data to be transmitted.
Embodiment three
The embodiment of the present invention three provides a kind of video conferencing system.Fig. 4 is a kind of according to embodiments of the present invention three view
Frequency conference system block diagram, as shown in figure 4, the system includes videoconference server 42, multiple conference terminals 44.
Wherein, video conference terminal 42, for determining in video conference the ability class of multiple conference terminals 44 and each
The corresponding coding rule of ability class；Data to be transmitted is carried out according to each ability class corresponding coding rule primary or more
Secondary coding；Data after coding are sent to the conference terminal that the respectively coding rule corresponds to ability class.
Conference terminal 44 for receiving the data after the coding, and decodes broadcasting.
Further, which is also used to obtain the media parameter information of multiple conference terminal, wherein should
Media parameter information includes code rate, resolution ratio and frame per second；The ability of multiple conference terminal is set according to the media parameter information
Class.
Further, which is also used to receive the current downlink code rate of the first conference terminal feedback, wherein
First conference terminal is that the conference terminal of miscellaneous function is provided in video conference, the miscellaneous function include Quality of experience QoE,
Automatic lifting speed or the reversed error correction of FEC；Obtain the uplink code rate of the second conference terminal, wherein second conference terminal is video
The conference terminal of not set miscellaneous function in meeting.
Further, which is also used to that first conference terminal is provided with automatic lifting speed and FEC function
In the case where energy, the corresponding current downlink code rate of FEC function is received.
Further, which is also used to judge whether that the data sent to second conference terminal solve
Code；In the case where the judgment result is yes, detection obtains the current uplink code rate of second conference terminal；It is no in judging result
In the case where, the negotiation code rate or second conference terminal for obtaining second conference terminal stop the uplink detecting before decoding
Code rate.
Further, which is also used to according to the corresponding frame per second of each ability class, resolution ratio and code rate
One or many codings are carried out to the data to be transmitted；Alternatively, the case where one or more conference terminals leave video conference
Under, determine the minimum code rate of remaining conference terminal in ability class corresponding to the conference terminal left；According to the minimum code rate
The data to be transmitted is encoded.
Further, which is also used in the media parameter letter for detecting one or more conference terminals
In the case that breath changes, the ability shelves of one or more conference terminals are adjusted according to the media parameter information after variation
It is secondary.
Further, which is also used to receive the video data that multiple conference terminals are sent；To reception
To multiple video datas carry out layout obtain the data to be transmitted.
Example IV
The embodiment of the present invention four additionally provides a kind of storage medium.Optionally, in the present embodiment four, above-mentioned storage is situated between
Matter can be set to store the program code for executing following steps:
S1 determines the ability class and the corresponding coding rule of each ability class of multiple conference terminals in video conference；
S2 carries out one or many codings to data to be transmitted according to the corresponding coding rule of each ability class；
Data after coding are sent to the conference terminal that the respectively coding rule corresponds to ability class by S3.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or
The various media that can store program code such as CD.
Optionally, in the present embodiment, processor executes above-mentioned steps according to program code stored in storage medium
S1, S2 and S3.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
The above description is only a preferred embodiment of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Any modification, equivalent substitution, improvement and etc. done within principle, should be included within the scope of the present invention.
Claims (10)
1. data transmission method in a kind of video conference characterized by comprising
Determine the ability class and the corresponding coding rule of each ability class of multiple conference terminals in video conference；
One or many codings are carried out to data to be transmitted according to the corresponding coding rule of each ability class；
Data after coding are sent to the conference terminal that each coding rule corresponds to ability class.
2. the method as described in claim 1, which is characterized in that the ability class of multiple conference terminals in determining video conference
And before the corresponding coding rule of each ability class, the method also includes:
Obtain the media parameter information of the multiple conference terminal, wherein the media parameter information include code rate, resolution ratio and
Frame per second；
The ability class of the multiple conference terminal is set according to the media parameter information.
3. method according to claim 2, which is characterized in that the media parameter information for obtaining the multiple conference terminal
Include:
Receive the current downlink code rate of the first conference terminal feedback, wherein first conference terminal is to be arranged in video conference
There is the conference terminal of miscellaneous function, the miscellaneous function includes Quality of experience QoE, automatic lifting speed or the reversed error correction of FEC；
Obtain the uplink code rate of the second conference terminal, wherein second conference terminal is not set auxiliary function in video conference
The conference terminal of energy.
4. method as claimed in claim 3, which is characterized in that the media parameter information for obtaining the multiple conference terminal
Include:
In the case where first conference terminal is provided with automatic lifting speed and FEC function, it is corresponding current to receive FEC function
Downlink code rate.
5. method as claimed in claim 3, which is characterized in that it is described obtain the second conference terminal uplink code rate include:
Judge whether that the data sent to second conference terminal are decoded；
In the case where the judgment result is yes, detection obtains the current uplink code rate of second conference terminal；
If the determination result is NO, the negotiation code rate or second conference terminal of second conference terminal are obtained
Stop the uplink code rate detected before decoding.
6. the method as described in claim 1, which is characterized in that described according to the corresponding coding rule pair of each ability class
Data to be transmitted carries out one or many codings
One or many volumes are carried out to the data to be transmitted according to the corresponding frame per second of each ability class, resolution ratio and code rate
Code；Alternatively,
In the case where one or more conference terminals leave video conference, ability shelves corresponding to the conference terminal left are determined
The minimum code rate of secondary middle remaining conference terminal；
The data to be transmitted is encoded according to the minimum code rate.
7. method according to claim 2, which is characterized in that the ability shelves of multiple conference terminals in the determining video conference
It is secondary to include:
In the case where detecting that the media parameter information of one or more conference terminals changes, after variation
The ability class of the one or more conference terminals of media parameter information adjustment.
8. the method according to claim 1 to 7, which is characterized in that according to the corresponding coding of each ability class
Rule carries out data to be transmitted before one or many codings, further includes:
Receive the video data that multiple conference terminals are sent；
Layout is carried out to the multiple video datas received and obtains the data to be transmitted.
9. a kind of videoconference server, including memory and processor, which is characterized in that be stored with data in the memory
Transmission instruction, the processor is by executing the data transfer instruction to realize such as the described in any item sides of claim 1-8
Method.
10. a kind of video conferencing system, including multiple conference terminals and video conference service end, which is characterized in that
The videoconference server, the ability class and each ability class for determining the multiple conference terminal are corresponding
Coding rule；One or many codings are carried out to data to be transmitted according to the corresponding coding rule of each ability class；It will compile
Data after code are sent to the conference terminal that each coding rule corresponds to ability class；
The conference terminal for receiving the data after the coding, and decodes broadcasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186412.9A CN109831637A (en) | 2017-11-23 | 2017-11-23 | Data transmission method, server and system in a kind of video conference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186412.9A CN109831637A (en) | 2017-11-23 | 2017-11-23 | Data transmission method, server and system in a kind of video conference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109831637A true CN109831637A (en) | 2019-05-31 |
Family
ID=66859688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711186412.9A Withdrawn CN109831637A (en) | 2017-11-23 | 2017-11-23 | Data transmission method, server and system in a kind of video conference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109831637A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050108A (en) * | 2019-12-19 | 2020-04-21 | 维沃移动通信有限公司 | Method and device for realizing multi-channel video call and electronic equipment |
| CN111405231A (en) * | 2020-03-03 | 2020-07-10 | 浙江华创视讯科技有限公司 | Video conference method, device, equipment and computer readable storage medium |
| CN111901680A (en) * | 2020-05-10 | 2020-11-06 | 天地阳光通信科技（北京）有限公司 | Multimedia data processing method and device and server |
| CN112738565A (en) * | 2020-12-22 | 2021-04-30 | 广州视源电子科技股份有限公司 | Interactive bandwidth optimization method and device, computer equipment and storage medium |
| CN112822519A (en) * | 2020-12-30 | 2021-05-18 | 杭州雾联科技有限公司 | Video stream streaming method, device and equipment for sharing video pictures by multiple users |
| CN112929712A (en) * | 2021-01-26 | 2021-06-08 | 游密科技(深圳)有限公司 | Video code rate adjusting method and device |
| CN113194276A (en) * | 2021-03-12 | 2021-07-30 | 广州朗国电子科技有限公司 | Method, system and storage device for generating dynamic layout in video conference system |
| CN114554136A (en) * | 2022-04-25 | 2022-05-27 | 浙江华创视讯科技有限公司 | Video conference realization method, multipoint control unit, device and readable storage medium |
| CN115118921A (en) * | 2022-08-29 | 2022-09-27 | 全时云商务服务股份有限公司 | Method and system for video screen-combining self-adaptive output in cloud conference |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146204A (en) * | 2006-09-12 | 2008-03-19 | 腾讯科技（深圳）有限公司 | Quality adjusting method and device for instant communication video |
| CN101984661A (en) * | 2010-11-23 | 2011-03-09 | 广东威创视讯科技股份有限公司 | Information transmission method of video conference system and video conference system |
| CN102131090A (en) * | 2010-11-22 | 2011-07-20 | 华为技术有限公司 | Video file playing method and system and media resource server |
| CN103561279A (en) * | 2013-10-10 | 2014-02-05 | 中兴通讯股份有限公司 | Method and system for playing multi-media file and cloud transcoding service device |
| CN103856741A (en) * | 2012-12-06 | 2014-06-11 | 中兴通讯股份有限公司 | Video conference flow control method and video conference multi-point control device |
| CN104639866A (en) * | 2013-11-14 | 2015-05-20 | 中兴通讯股份有限公司 | Method and device for adjusting call quality of meeting terminals |
| CN105635734A (en) * | 2014-11-03 | 2016-06-01 | 掌赢信息科技（上海）有限公司 | Self-adaptive video coding method and device based on video conversation scene |
-
2017
- 2017-11-23 CN CN201711186412.9A patent/CN109831637A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146204A (en) * | 2006-09-12 | 2008-03-19 | 腾讯科技（深圳）有限公司 | Quality adjusting method and device for instant communication video |
| CN102131090A (en) * | 2010-11-22 | 2011-07-20 | 华为技术有限公司 | Video file playing method and system and media resource server |
| CN101984661A (en) * | 2010-11-23 | 2011-03-09 | 广东威创视讯科技股份有限公司 | Information transmission method of video conference system and video conference system |
| CN103856741A (en) * | 2012-12-06 | 2014-06-11 | 中兴通讯股份有限公司 | Video conference flow control method and video conference multi-point control device |
| CN103561279A (en) * | 2013-10-10 | 2014-02-05 | 中兴通讯股份有限公司 | Method and system for playing multi-media file and cloud transcoding service device |
| CN104639866A (en) * | 2013-11-14 | 2015-05-20 | 中兴通讯股份有限公司 | Method and device for adjusting call quality of meeting terminals |
| CN105635734A (en) * | 2014-11-03 | 2016-06-01 | 掌赢信息科技（上海）有限公司 | Self-adaptive video coding method and device based on video conversation scene |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050108A (en) * | 2019-12-19 | 2020-04-21 | 维沃移动通信有限公司 | Method and device for realizing multi-channel video call and electronic equipment |
| CN111405231B (en) * | 2020-03-03 | 2021-10-15 | 浙江华创视讯科技有限公司 | Video conference method, device, equipment and computer readable storage medium |
| CN111405231A (en) * | 2020-03-03 | 2020-07-10 | 浙江华创视讯科技有限公司 | Video conference method, device, equipment and computer readable storage medium |
| CN111901680A (en) * | 2020-05-10 | 2020-11-06 | 天地阳光通信科技（北京）有限公司 | Multimedia data processing method and device and server |
| CN111901680B (en) * | 2020-05-10 | 2022-06-21 | 天地阳光通信科技（北京）有限公司 | Multimedia data processing method and device and server |
| CN112738565A (en) * | 2020-12-22 | 2021-04-30 | 广州视源电子科技股份有限公司 | Interactive bandwidth optimization method and device, computer equipment and storage medium |
| CN112738565B (en) * | 2020-12-22 | 2023-08-18 | 广州开得联智能科技有限公司 | Interactive bandwidth optimization method, device, computer equipment and storage medium |
| CN112822519A (en) * | 2020-12-30 | 2021-05-18 | 杭州雾联科技有限公司 | Video stream streaming method, device and equipment for sharing video pictures by multiple users |
| CN112929712A (en) * | 2021-01-26 | 2021-06-08 | 游密科技(深圳)有限公司 | Video code rate adjusting method and device |
| CN113194276A (en) * | 2021-03-12 | 2021-07-30 | 广州朗国电子科技有限公司 | Method, system and storage device for generating dynamic layout in video conference system |
| CN114554136A (en) * | 2022-04-25 | 2022-05-27 | 浙江华创视讯科技有限公司 | Video conference realization method, multipoint control unit, device and readable storage medium |
| CN115118921A (en) * | 2022-08-29 | 2022-09-27 | 全时云商务服务股份有限公司 | Method and system for video screen-combining self-adaptive output in cloud conference |
| CN115118921B (en) * | 2022-08-29 | 2023-01-20 | 全时云商务服务股份有限公司 | Method and system for video screen-combining self-adaptive output in cloud conference |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109831637A (en) | Data transmission method, server and system in a kind of video conference | |
| US20220030039A1 (en) | Methods and apparatus for use of compact concurrent codecs in multimedia communications | |
| US8791978B2 (en) | Scalable video encoding in a multi-view camera system | |
| CN112104904B (en) | Method and system for synchronously watching video and realizing real-time interaction by multiple users | |
| CN104685886B (en) | Devices and methods therefor for video processing | |
| US8966095B2 (en) | Negotiate multi-stream continuous presence | |
| US9232244B2 (en) | Efficient frame forwarding in large scale real-time screen content sharing meetings | |
| EP3163878A1 (en) | Device capability negotiation method and apparatus, and computer storage medium | |
| US20140280754A1 (en) | Resilience in the presence of missing media segments in dynamic adaptive streaming over http | |
| CN102893603B (en) | Video conferencing processing method, apparatus and communication system | |
| CN104639866A (en) | Method and device for adjusting call quality of meeting terminals | |
| CN102148747A (en) | Media stream transmission method and device | |
| KR101233945B1 (en) | Conserving power in a platform supporting network interfaces | |
| CN110519640A (en) | Method for processing video frequency, encoder, CDN server, decoder, equipment and medium | |
| CN113194276B (en) | Method, system and storage medium for generating dynamic layout in video conference system | |
| CN100388780C (en) | Code flow bandwidth equalizing method | |
| WO2022100528A1 (en) | Audio/video forwarding method and apparatus, terminals, and system | |
| CN104702970A (en) | Video data synchronization method, device and system | |
| CN111385516A (en) | Method, device and system for transmitting multimedia resource and readable storage medium | |
| KR20090053175A (en) | Apaptive telecollaboration service system and method using variable transmission rate | |
| Gandhi et al. | Multicasting MDC videos to receivers with different screen resolution | |
| JP2017153038A (en) | Communication controller, communication control method and communication control program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190531 |
|
| WW01 | Invention patent application withdrawn after publication |