CN103051864B - Mobile video session method - Google Patents
Mobile video session method Download PDFInfo
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- CN103051864B CN103051864B CN201210581278.3A CN201210581278A CN103051864B CN 103051864 B CN103051864 B CN 103051864B CN 201210581278 A CN201210581278 A CN 201210581278A CN 103051864 B CN103051864 B CN 103051864B
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Abstract
The invention belongs to communication technique field, relate to a kind of mobile video session method and system thereof.It solve prior art and design the technical problems such as not reasonable.This mobile video session system includes: Mesh Service device framework, gateway device, audio mixing equipment, above-mentioned gateway device are connected between Mesh Service device framework and mobile video terminal, above-mentioned audio mixing equipment is connected between Mesh Service device framework and mobile video terminal, and above-mentioned mobile video terminal is connected with Mesh Service device framework.Compared with prior art, the advantage of this mobile video session method and system thereof is: reasonable in design, simple in construction, it is easy to implement, and can fully adapt to the network bandwidth, improves video effect.Flexible and convenient to use, not by spatio-temporal restriction, and can switch over according to network condition in real time, it is ensured that video conference is normally carried out.
Description
Technical field
The invention belongs to communication technique field, relate to video conference, especially relate to a kind of mobile video session method and system thereof.
Background technology
Video conferencing system refers to two or more different local individuals or colonies, by transmission line and multimedia equipment, sound, image and documentation is transferred mutually, reaches instant and interactive communication, to complete the system equipment of meeting purpose.At the transmitting terminal of communication, image and voice signal being become digitized signal, it is reappeared for vision, the retrievable information of the sense of hearing at receiving terminal again, compared with videoconference, have intuitive strong, the feature such as contain much information.TV conference system is possible not only to hear sound, it is further seen that convention goer, common in the face of discussion problem, studies drawing, material object, is as good as with real meeting, makes each participant truly have sense on the spot in person.Can be widely applied to the multiple fields such as on-the-spot teaching, on-site working, commercial negotiation.
Owing to relying on the network operation, the network bandwidth is always affects the primary factor that video conference is properly functioning, and constantly widening along with range of application, the magnanimity growth of data message makes this problem more acute.To this end, people have carried out long-term exploration, it is proposed that various solutions, but do not obtain gratifying achievement yet.Such as, Chinese patent literature discloses implementation method and the video conferencing system [application number: 200910180440.9] of a kind of video conference, wherein, the implementation method of video conference includes: respectively and Media Resource Server is alternately to realize the audio transmission between each voice terminal by public switch telephone network for each voice terminal；Respectively and videoconference server is alternately to realize the transmission of video between each meeting control terminal by internet for each meeting control terminal, and wherein, each meeting control terminal is corresponding with each voice terminal respectively；Vision signal from videoconference server can be merged by control terminal by each with the audio signal from Media Resource Server.Somebody has invented multi-picture mixing method and the device [application number: 200910028044.4] of a kind of video conferencing system, its method comprises the following steps successively: A. video conference terminal and multipoint control unit are set up and connected, and this rock noise, video flowing and acoustic situations are sent to multipoint control unit；B. according to acoustic information, multipoint control unit judges which terminal is speech end, the picture of this speech end and the picture of other-end is synthesized a road outputting video streams, and the picture of this speech end is carried out Special display；C. the outputting video streams of synthesis is sent described output to each video conference terminal by multipoint control unit；The outputting video streams received is shown over the display by the most each video conference terminal.
Although such scheme improves the performance of video conference to a certain extent, but video conferencing system of the prior art still designs not reasonable, tends to because the phenomenons such as video blur, Hua Ping, clamping stagnation occurs in network problem.On the other hand, existing video conferencing system framework uses tree-shaped servers architecture platform, realizes P2P streaming media in LAN, and public network data stream is forwarded by server, and this system belongs to the framework of the weak server of strong terminal.The advantage of existing video conferencing system distributed server architecture is: multistage server cascades, and load balancing can realize not shutting down capacity-enlargement technology, supports two-node cluster hot backup.Reduce the resource pressure of server, the pressure of especially CPU.But, prior art remains the bandwidth of terminal and server can be increased, and owing to being limited to the CPU ability of mobile terminal, causes video effect to decline；And terminal is usually fixed terminal, it is impossible to realize carrying out video conference whenever and wherever possible.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of easy to implement, can fully adapt to the mobile video session method of the network bandwidth.
It is a further object of the present invention to provide a kind of reasonable in design, simple in construction, the mobile video session system that video conference is effective.
For reaching above-mentioned purpose, present invention employs following technical proposal: this mobile video session method, it is characterised in that this method includes:
A, each participate in mobile video terminal of video conference respectively by wireless communication mode by the videoconference server of a local road audio signal and a road video signal transmission to Mesh Service device framework；
The multi-channel video signal received and multipath audio signal are sent to each mobile video terminal participating in video conference by b, this videoconference server；
When the network condition of any one mobile video terminal cannot meet the requirement of video normal play, the multi-channel video signal mailing to this mobile video terminal is first sent to gateway device by videoconference server, by this gateway device, multi-channel video signal is merged into a road synthetic video stream again, then synthetic video is streamed to described mobile video terminal；
When the network condition of any one mobile video terminal cannot meet the requirement of audio frequency normal play, the multipath audio signal mailing to this mobile video terminal is first sent to audio mixing equipment by videoconference server, and by audio mixing equipment, multipath audio signal is merged into a road Composite tone stream, then Composite tone is streamed to described mobile video terminal；
The multi-channel video signal received or a road synthetic video stream are shown by c, the mobile video terminal respectively carrying out video conference respectively；The multipath audio signal received or a road Composite tone stream are played out by mobile video terminal respectively that respectively carry out video conference.
In above-mentioned mobile video session method, in above-mentioned step b, the multi-channel video signal received is carried out video decoding by described gateway device, yuv format signal it is converted into after decoding, then carry out Video Composition, then carry out Video coding, it is thus achieved that a road synthetic video stream.
In above-mentioned mobile video session method, in above-mentioned step b, when the network condition of any one mobile video terminal cannot meet the requirement of video normal play, first being initiated Video Composition request by this mobile video terminal to described videoconference server, multi-channel video signal is sent to gateway device after receiving request by videoconference server.
In above-mentioned mobile video session method, in above-mentioned step b, described Video Composition request is to ask triggering key to trigger by operation setting at the Video Composition of mobile video terminal.
In above-mentioned mobile video session method, in above-mentioned step b, described cannot meet that video normal play requires to include that mobile video terminal occurs in following situation any one: picture clamping stagnation, Hua Ping, picture delay, non-at the uniform velocity play；Described cannot meet that audio frequency normal play requires to include that mobile video terminal occurs in following situation any one: sound clamping stagnation, pause, sound delay, non-at the uniform velocity play.
A kind of mobile video session system, it is characterised in that native system includes:
Mesh Service device framework, for by the multichannel video data transmission received to gateway device or direct by the multichannel video data transmission received to mobile video terminal, being additionally operable to the multi-path audio-frequency data received transmission to audio mixing equipment or directly the multi-path audio-frequency data received transmitted to mobile video terminal；
Gateway device, for being merged into a road synthetic video stream and transmitting to mobile video terminal by the multi-path video data received；
Audio mixing equipment, for being merged into a road Composite tone stream and transmitting to mobile video terminal by the multi-path audio-frequency data received；
Above-mentioned gateway device is connected between Mesh Service device framework and mobile video terminal, and above-mentioned audio mixing equipment is connected between Mesh Service device framework and mobile video terminal, and above-mentioned mobile video terminal is connected with Mesh Service device framework.
In above-mentioned mobile video session system, described mobile video terminal is additionally provided with the Video Composition request triggering key for sending Video Composition request to Mesh Service device framework.
In above-mentioned mobile video session system, described Mesh Service device framework includes some videoconference server, videoconference server is connected with some mobile video terminals by wireless communication mode respectively, described videoconference server is connected with two adjacent described videoconference server respectively, and all of videoconference server connects into an annular.
In above-mentioned mobile video session system, described videoconference server is connected with cloud service platform by wiredly and/or wirelessly communication modes.
In above-mentioned mobile video session system, described mobile video terminal includes any one or more in mobile phone, notebook computer, panel computer；Described gateway device is any one in LAN/host gateway, LAN/LAN gateway and internet/LAN gateway.
Compared with prior art, the advantage of this mobile video session method and system thereof is: reasonable in design, simple in construction, it is easy to implement, and can fully adapt to the network bandwidth, improves video effect.Flexible and convenient to use, not by spatio-temporal restriction, and can switch over according to network condition in real time, it is ensured that video conference is normally carried out.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention provides.
Fig. 2 is the structural representation of the Mesh Service device framework that the present invention provides.
Fig. 3 is the structural representation that the present invention provides.
In figure, mobile video terminal 1, Video Composition request triggering key 11, Mesh Service device framework 2, videoconference server 21, cloud service platform 22, gateway device 3, audio mixing equipment 4.
Detailed description of the invention
As it is shown in figure 1, this mobile video session method includes:
A, each participate in mobile video terminal 1 of video conference respectively by wireless communication mode by the videoconference server 21 of a local road audio signal and a road video signal transmission to Mesh Service device framework 2；
The multi-channel video signal received and multipath audio signal are sent to each mobile video terminal 1 participating in video conference by b, this videoconference server 21；
When the network condition of any one mobile video terminal 1 cannot meet the requirement of video normal play, the multi-channel video signal mailing to this mobile video terminal 1 is first sent to gateway device 3 by videoconference server 21, by this gateway device 3, multi-channel video signal is merged into a road synthetic video stream again, then synthetic video is streamed to described mobile video terminal 1；
When the network condition of any one mobile video terminal 1 cannot meet the requirement of audio frequency normal play, the multipath audio signal mailing to this mobile video terminal 1 is first sent to audio mixing equipment 4 by videoconference server 21, and by audio mixing equipment 4, multipath audio signal is merged into a road Composite tone stream, then Composite tone is streamed to described mobile video terminal 1；
The multi-channel video signal received or a road synthetic video stream are shown by c, the mobile video terminal 1 respectively carrying out video conference respectively；The multipath audio signal received or a road Composite tone stream are played out by mobile video terminal 1 respectively that respectively carry out video conference.
In above-mentioned step b, the multi-channel video signal received is carried out video decoding by described gateway device 3, is converted into yuv format signal, then carries out Video Composition, then carry out Video coding after decoding, it is thus achieved that a road synthetic video stream.
More specifically, when the network condition of any one mobile video terminal 1 cannot meet the requirement of video normal play, first being initiated Video Composition request by this mobile video terminal 1 to described videoconference server 21, multi-channel video signal is sent to gateway device 3 after receiving request by videoconference server 21.In the present embodiment, Video Composition request is to ask triggering key 11 to trigger by operation setting at the Video Composition of mobile video terminal 1.Cannot meet that video normal play requires to include that mobile video terminal 1 occurs in following situation any one: picture clamping stagnation, Hua Ping, picture delay, non-at the uniform velocity play；Cannot meet that audio frequency normal play requires to include that mobile video terminal 1 occurs in following situation any one: sound clamping stagnation, pause, sound delay, non-at the uniform velocity play.
This mobile video session system includes:
Mesh Service device framework 2, for by the multichannel video data transmission received to gateway device 3 or direct by the multichannel video data transmission received to mobile video terminal 1, being additionally operable to the multi-path audio-frequency data received transmission to audio mixing equipment 4 or directly the multi-path audio-frequency data received transmitted to mobile video terminal 1；
Gateway device 3, for being merged into a road synthetic video stream and transmitting to mobile video terminal 1 by the multi-path video data received；
Audio mixing equipment 4, for being merged into a road Composite tone stream and transmitting to mobile video terminal 1 by the multi-path audio-frequency data received；
Above-mentioned gateway device 3 is connected between Mesh Service device framework 2 and mobile video terminal 1, and above-mentioned audio mixing equipment 4 is connected between Mesh Service device framework 2 and mobile video terminal 1, and above-mentioned mobile video terminal 1 is connected with Mesh Service device framework 2.
The Video Composition request triggering key 11 for sending Video Composition request to Mesh Service device framework 2 it is additionally provided with in mobile video terminal 1.
As shown in Figures 2 and 3, Mesh Service device framework 2 includes some videoconference server 21, videoconference server 21 is connected with some mobile video terminals 1 by wireless communication mode respectively, described videoconference server 21 is connected with two adjacent described videoconference server 21 respectively, and all of videoconference server 21 connects into an annular.
Videoconference server 21 is connected with cloud service platform 22 by wiredly and/or wirelessly communication modes.Mobile video terminal 21 includes any one or more in mobile phone, notebook computer, panel computer；Described gateway device 3 is any one in LAN/host gateway, LAN/LAN gateway and internet/LAN gateway.
The invention belongs to the structure of the strong server of weak terminal, it is all to configure relatively low equipment that weak terminal is not necessarily referring to all of terminal, but for server, disposal ability is more weak.In the case of network condition is poor, mobile video terminal 1 receives synthetic video Liu He mono-road, a road Composite tone stream, and therefore treating capacity is greatly reduced, it is possible to the carrying out of effective guarantee video conference.Typically, if mobile video terminal 1 is equipment (the such as mobile phone) of low configuration, videoconference server 21 sends low code stream, the video of lower quality, audio signal to mobile video terminal 1.If mobile video terminal 1 is equipment (the such as panel computer) of middle configuration, videoconference server 21 is code stream, the video of mean quality, audio signal in mobile video terminal 1 sends.If mobile video terminal 1 is equipment (the such as notebook computer) of high configuration, videoconference server 21 sends high code stream, high-quality video, audio signal to mobile video terminal 1.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing the term such as mobile video terminal 1, Video Composition request triggering key 11, Mesh Service device framework 2, videoconference server 21, cloud service platform 22, gateway device 3, audio mixing equipment 4, but it is not precluded from using the possibility of other term.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (4)
1. a mobile video session method, it is characterised in that this method includes:
A, each mobile video terminal (1) participating in video conference pass through channel radio respectively
News mode by a local road audio signal and a road video signal transmission to Mesh Service device
The videoconference server (21) of framework (2)；
B, this videoconference server (21) are by the multi-channel video signal received and multichannel
Audio signal sends to each mobile video terminal (1) participating in video conference；
When the network condition of any one mobile video terminal (1), cannot to meet video normal
During broadcast request, videoconference server (21) will mail to this mobile video terminal (1)
Multi-channel video signal first send to gateway device (3), then by this gateway device (3) will
Multi-channel video signal is merged into a road synthetic video stream, then synthetic video is streamed to institute
State mobile video terminal (1)；
When the network condition of any one mobile video terminal (1), cannot to meet audio frequency normal
During broadcast request, videoconference server (21) will mail to this mobile video terminal (1)
Multipath audio signal first send to audio mixing equipment (4), and will be many by audio mixing equipment (4)
Road audio signal is merged into a road Composite tone stream, then is streamed to by Composite tone described
Mobile video terminal (1)；
In above-mentioned step b, network-like when any one mobile video terminal (1)
When condition cannot meet the requirement of video normal play, first by this mobile video terminal (1) to institute
State videoconference server (21) and initiate Video Composition request, videoconference server (21)
After receiving request, multi-channel video signal is sent to gateway device (3)；
C, the mobile video terminal (1) respectively carrying out video conference are many by receiving respectively
Road vision signal or a road synthetic video stream show；Respectively carry out the movement of video conference
The multipath audio signal received or a road Composite tone are flow to by video terminal (1) respectively
Row is play.
Mobile video session method the most according to claim 1, it is characterised in that
In above-mentioned step b, the multi-channel video letter that described gateway device (3) will receive
Number carry out video decoding, be converted into yuv format signal after decoding, then carry out video conjunction
Become, then carry out Video coding, it is thus achieved that a road synthetic video stream.
Mobile video session method the most according to claim 1 and 2, its feature exists
In, in above-mentioned step b, described Video Composition request is to be existed by operation setting
Video Composition request triggering key (11) of mobile video terminal (1) triggers.
Mobile video session method the most according to claim 3, it is characterised in that
In above-mentioned step b, the described video normal play that cannot meet requires to include movement
There is any one in following situation in video terminal (1): picture clamping stagnation, Hua Ping, picture
Face delays, non-at the uniform velocity play；The described audio frequency normal play that cannot meet requires to include shifting
There is any one in following situation in dynamic video terminal (1): sound clamping stagnation, pause,
Sound delays, non-at the uniform velocity play.
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| CN201210581278.3A CN103051864B (en) | 2012-12-26 | 2012-12-26 | Mobile video session method |
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| CN201210581278.3A CN103051864B (en) | 2012-12-26 | 2012-12-26 | Mobile video session method |
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| CN103051864B true CN103051864B (en) | 2016-08-17 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104009991B (en) * | 2014-05-28 | 2017-09-01 | 广州华多网络科技有限公司 | Audio communication system and method |
| CN105991577B (en) * | 2015-02-11 | 2019-04-30 | 腾讯科技（深圳）有限公司 | A kind of voice communication processing method, system and cloud server |
| CN107846633B (en) * | 2016-09-18 | 2023-07-14 | 腾讯科技（深圳）有限公司 | Live broadcast method and system |
| CN107239318B (en) * | 2017-06-13 | 2018-09-04 | 腾讯科技（深圳）有限公司 | Using conversion method, device and equipment |
| CN107371069B (en) * | 2017-07-19 | 2019-11-12 | 北京恒信彩虹信息技术有限公司 | A kind of audio-video fault-tolerance approach and its system |
| CN107396032A (en) * | 2017-07-26 | 2017-11-24 | 安徽四创电子股份有限公司 | A kind of multipoint control unit and its method of work based on X86-based |
| CN107888946A (en) * | 2017-11-23 | 2018-04-06 | 创盛视联数码科技（北京）有限公司 | A kind of streaming media server mixed flow closes screen method |
| CN110730322A (en) * | 2018-07-16 | 2020-01-24 | 视联动力信息技术股份有限公司 | Audio stream processing method and system based on video network |
| CN109194904B (en) * | 2018-10-25 | 2021-02-09 | 成都零壹众科技有限公司 | Mobile video consultation system suitable for commanding and scheduling service |
| CN109714316B (en) * | 2018-12-03 | 2021-04-23 | 视联动力信息技术股份有限公司 | Audio mixing processing method of video network and video network system |
| CN109714560A (en) * | 2018-12-29 | 2019-05-03 | 上海欣方智能系统有限公司 | A kind of mobile terminal video conference system and its implementation |
| CN111641802A (en) * | 2020-06-04 | 2020-09-08 | 天津卓朗科技发展有限公司 | Video data sharing method and device and server |
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