CN106658058A - Multiple-client-terminal-based video transmission rate synchronization management method and the management system - Google Patents
Multiple-client-terminal-based video transmission rate synchronization management method and the management system Download PDFInfo
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- CN106658058A CN106658058A CN201610891633.5A CN201610891633A CN106658058A CN 106658058 A CN106658058 A CN 106658058A CN 201610891633 A CN201610891633 A CN 201610891633A CN 106658058 A CN106658058 A CN 106658058A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 95
- 238000007726 management method Methods 0.000 title claims abstract description 21
- 238000004364 calculation method Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 14
- 238000012937 correction Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101150012579 ADSL gene Proteins 0.000 description 1
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 1
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 1
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a multiple-client-terminal-based video transmission rate synchronization management method and the management system. The method comprises the following steps: receiving the video data uploaded by a video terminal and forwarding the video data to a plurality of client terminals; during the forwarding process, recording in real time the frame rates and the code rates for the video transmission in various transmission links of the plurality of client terminals; comparing and calculating the frame rates and the code rates for the video transmission in the various transmission links to obtain the smallest frame rate and the smallest code rate; and finally, notifying the video terminal to upload the video data according to the smallest frame rate and the smallest code rate. In this manner, through the embodiments to detect the frame rates and the code rates for the video transmission of the client terminals so as to perform dynamic corrections to the smallest frame rate and the smallest code rate of the uploaded video data from the video terminal, it is possible to avoid the loss and the delay of videos from the client terminals, therefore, ensuring the timeliness and the continuity of video transmission.
Description
Technical field
The present invention relates to technical field of video communication, particularly a kind of video transmission rate synchronization based on multi-client
Management method and its system using the method.
Background technology
Video communication has larger data volume and stronger real-time, therefore has higher wanting to network service quality
Ask.The IP network environment that video communication terminal is accessed is also more complicated, including 3G, WiFi, ADSL, light net etc., therefore cannot
The guarantee of bandwidth is provided.
At present, often a server may require that while servicing the client of multiple users, server needs at video end
The video code flow that end uploads is distributed the client link of all request videos, and traditional way is to send out solid on video terminal
The video flowing of fixed frame per second code check, then according to this frame per second code check sends video flowing to client, switches with poll not in user
With video channel when will produce impact to the usage amount of the network bandwidth, in multiple users all regarding in preview multi-quantity simultaneously
During frequency passage will the substantial amounts of occupancy network bandwidth suddenly, coordinate without corresponding method and system video frequency output when
Code check, if some client networks occur that video-losing shows than in the case of less desirable, may result in these clients
As or delay phenomenon, directly influence the fluency and real-time of monitor video.
The content of the invention
The present invention is to solve the above problems, there is provided a kind of video transmission rate based on multi-client synchronizes manager
Method and management system, by the minimum frame per second code check of real-time monitoring multiple client and dynamic adjustment video terminal carries out upload and regards
The frame per second code check of frequency evidence, so as to the synchronization for realizing the transmission of video to multi-client is managed, realizes that dynamic realtime change is passed
Defeated speed, reaches the real-time of video and successional requirement.
For achieving the above object, the technical solution used in the present invention is：
A kind of video transmission rate based on multi-client synchronizes management method, and it is comprised the following steps：
10. the video data that video terminal is uploaded is received；
Described video data is forwarded to multiple client by 20.；
The frame per second code check of the transmission of video of each transmission link of the multiple client described in 30. real time records；
The transmission of video frame per second code check of each transmission link described in 40. pairs carries out comparing calculation, obtains minimum frame per second code
Rate；
50. notify that described video terminal carries out uploaded videos data according to described minimum frame per second code check.
Preferably, contrast meter is carried out to the transmission of video frame per second code check of each described transmission link in described step 40
Calculation obtains minimum frame per second code check, is passed by calculating video of each the described transmission link in default time interval respectively
Defeated average frame per second code check, and using the minimum average frame per second code check of each described transmission link as described minimum frame per second
Code check.
Preferably, the calculating of described average frame per second code check is further included：
The frame number of the frame of video that each described transmission link of 41. statistics is transmitted in default time interval, will
The frame number carries out the average frame per second that division calculation obtains each described transmission link with default time interval；
The data number of the frame of video that each described transmission link of 42. statistics is transmitted in default time interval,
The data number and default time interval are carried out into the average bit rate that division calculation obtains each described transmission link.
In addition, present invention also offers a kind of video transmission rate synchronization management system based on multi-client, its bag
The video terminal for gathering video data is included, for receiving the multiple client of described video data, and described in connection
Video terminal and described multiple client server, wherein, described server is further included：
Video reception module, for receiving the video data that described video terminal is uploaded；
Video forwarding module, for described video data to be forwarded to into described multiple client；
Frame per second code check monitoring modular, for the transmission of video of each transmission link of the multiple client described in real time record
Frame per second code check；
Frame per second code check computing module, carry out contrast by the transmission of video frame per second code check to each described transmission link based on
Calculate, obtain minimum frame per second code check；
Frame per second code check adjusting module, for notifying that described video terminal is uploaded according to described minimum frame per second code check
Video data.
Preferably, also including timing module, for the minimum frame per second code check in described frame per second code check computing module
Calculating carries out prefixed time interval, and described frame per second code check computing module is by calculating respectively each described transmission link pre-
If time interval in transmission of video average frame per second code check, and by the minimum average frame per second of each described transmission link
Code check is used as described minimum frame per second code check.
The invention has the beneficial effects as follows：
A kind of video transmission rate based on multi-client of the present invention synchronizes management method and management system, and it passes through
Receive the video data of video terminal upload and be forwarded to multiple client, and it is multiple described in real time record in repeating process
The frame per second code check of the transmission of video of each transmission link of client, then to the transmission of video frame of each described transmission link
Rate code check carries out comparing calculation and obtains minimum frame per second code check, finally reinforms described video terminal according to described minimum frame per second
Code check carries out uploaded videos data, enters Mobile state modification thus by the frame per second code check of the transmission of video of examinations client and regards
The minimum frame per second code check of frequency terminal uploaded videos data, it is to avoid the Loss or delay phenomenon of client video, it is ensured that
The real-time and continuity of transmission of video is required.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the general flow chart that video transmission rate of the present invention based on multi-client synchronizes management method；
Fig. 2 is the structural representation that video transmission rate of the present invention based on multi-client synchronizes management system.
Specific embodiment
In order that the technical problem to be solved, technical scheme and beneficial effect are clearer, clear, below tie
The present invention will be described in further detail to close drawings and Examples.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of video transmission rate based on multi-client of the present invention synchronizes management method, it includes
Following steps：
10. the video data that video terminal is uploaded is received；
Described video data is forwarded to multiple client by 20.；
The frame per second code check of the transmission of video of each transmission link of the multiple client described in 30. real time records；
The transmission of video frame per second code check of each transmission link described in 40. pairs carries out comparing calculation, obtains minimum frame per second code
Rate；
50. notify that described video terminal carries out uploaded videos data according to described minimum frame per second code check.
Comparing calculation is carried out in described step 40 to the transmission of video frame per second code check of each described transmission link to obtain
Minimum frame per second code check, is by calculating the flat of transmission of video of each the described transmission link in default time interval respectively
Equal frame per second code check, and using the minimum average frame per second code check of each described transmission link as described minimum frame per second code check.
In the present embodiment, the calculating of described average frame per second code check is further included：
The frame number of the frame of video that each described transmission link of 41. statistics is transmitted in default time interval, will
The frame number carries out the average frame per second that division calculation obtains each described transmission link with default time interval；
The data number of the frame of video that each described transmission link of 42. statistics is transmitted in default time interval,
The data number and default time interval are carried out into the average bit rate that division calculation obtains each described transmission link.
As shown in Fig. 2 present invention also offers a kind of video transmission rate based on multi-client synchronizes management system,
It includes the video terminal 100 for gathering video data, for receiving the multiple client 200 of described video data, with
And the server 300 of the video terminal described in connection and described multiple client, wherein, described server 300 is further
Including：
Video reception module 301, for receiving the video data that described video terminal is uploaded；
Video forwarding module 302, for described video data to be forwarded to into described multiple client；
Frame per second code check monitoring modular 303, for the video of each transmission link of the multiple client described in real time record
The frame per second code check of transmission；
Frame per second code check computing module 304, it is right for carrying out to the transmission of video frame per second code check of each described transmission link
Than calculating, minimum frame per second code check is obtained；
Frame per second code check adjusting module 305, for notifying that described video terminal is carried out according to described minimum frame per second code check
Uploaded videos data.
The video reception module 301 of server 300 is received after the video data of the upload of video terminal 100, to the video
Data carry out book copying and are forwarded to multiple client 200 respectively, in order to ensure the video counts that each client 200 is received
According to the requirement of real-time of the video data that can be gathered with video terminal 100, the frame per second of the uploaded videos data of video terminal 100
Code check can not be such that substantial amounts of video data piles up in server 300 very much soon, so that the video data of client 200 is produced prolonging
Shi Xianxiang, thus the present invention frame per second code check of each transmission of video of client 200 is carried out by frame per second code check monitoring modular 303
Real-time monitoring, and according to monitoring result come adjust video terminal 100 upload frame per second code check.
Also, due to the isoparametric difference of the bandwidth of each client, the chain between each client and server
The efficiency of transmission on road is different, and this will cause the client having normally can in real time play video, and some clients occur
But there is slowed-down video phenomenon in video-losing phenomenon, some clients, and the present invention is by regarding to each described transmission link
Keeping pouring in defeated frame per second code check carries out comparing calculation, obtains minimum frame per second code check, and notifies described video terminal with the minimum frame per second
Code check carries out uploaded videos data, so as to ensure that each client can continuously play in real time video.
In the present embodiment, also including timing module, for the minimum frame per second code in described frame per second code check computing module
The calculating of rate carries out prefixed time interval, and described frame per second code check computing module is by calculating respectively each described transmission link
The average frame per second code check of the transmission of video in default time interval, and by the minimum average of each described transmission link
Frame per second code check is used as described minimum frame per second code check.For example, described default time interval is 5 seconds, then by counting 5 respectively
Average transmission video frame number in second and it is average in 5 seconds send video data number, so as to be calculated the average of the transmission link
Frame per second code check, the average frame per second code check of the transmission link by calculating and contrasting all of client, obtains minimum frame per second code check,
Reinform described video terminal carries out uploaded videos data with the minimum frame per second code check.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For system class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, related part ginseng
See the part explanation of embodiment of the method.Also, herein, term " including ", "comprising" or its any other variant
Including for nonexcludability is intended to, so that a series of process, method, article or equipment including key elements not only includes
Those key elements, but also including other key elements being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's equipment.In the absence of more restrictions, the key element for being limited by sentence "including a ...", not
Exclude and also there is other identical element in the process including the key element, method, article or equipment.In addition, this area
Those of ordinary skill is appreciated that all or part of step for realizing above-described embodiment can be completed by hardware, it is also possible to logical
The hardware that program is crossed to instruct correlation is completed, and described program can be stored in a kind of computer-readable recording medium, above-mentioned
The storage medium mentioned can be read-only storage, disk or CD etc..
Described above illustrates and describes the preferred embodiments of the present invention, it should be understood that the present invention is not limited to this paper institutes
The form of disclosure, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and energy
Enough in invention contemplated scope herein, it is modified by the technology or knowledge of above-mentioned teaching or association area.And people from this area
Change and change without departing from the spirit and scope of the present invention that member is carried out, then all should be in the protection of claims of the present invention
In the range of.
Claims (5)
1. a kind of video transmission rate based on multi-client synchronizes management method, it is characterised in that comprise the following steps：
10. the video data that video terminal is uploaded is received；
Described video data is forwarded to multiple client by 20.；
The frame per second code check of the transmission of video of each transmission link of the multiple client described in 30. real time records；
The transmission of video frame per second code check of each transmission link described in 40. pairs carries out comparing calculation, obtains minimum frame per second code check；
50. notify that described video terminal carries out uploaded videos data according to described minimum frame per second code check.
2. a kind of video transmission rate based on multi-client according to claim 1 synchronizes management method, its feature
It is：Comparing calculation is carried out to the transmission of video frame per second code check of each described transmission link in described step 40 and obtains minimum
Frame per second code check, is the average frame by calculating transmission of video of each the described transmission link in default time interval respectively
Rate code check, and using the minimum average frame per second code check of each described transmission link as described minimum frame per second code check.
3. a kind of video transmission rate based on multi-client according to claim 2 synchronizes management method, its feature
It is：The calculating of described average frame per second code check is further included：
The frame number of the frame of video that each described transmission link of 41. statistics is transmitted in default time interval, by the frame
Number carries out the average frame per second that division calculation obtains each described transmission link with default time interval；
The data number of the frame of video that each described transmission link of 42. statistics is transmitted in default time interval, by this
Data number carries out the average bit rate that division calculation obtains each described transmission link with default time interval.
4. a kind of video transmission rate based on multi-client synchronizes management system, and it is included for gathering regarding for video data
Frequency terminal, for receiving the multiple client of described video data, and the described video terminal of connection and described multiple
The server of client, it is characterised in that described server is further included：
Video reception module, for receiving the video data that described video terminal is uploaded；
Video forwarding module, for described video data to be forwarded to into described multiple client；
Frame per second code check monitoring modular, for the frame of the transmission of video of each transmission link of the multiple client described in real time record
Rate code check；
Frame per second code check computing module, for carrying out comparing calculation to the transmission of video frame per second code check of each described transmission link,
Obtain minimum frame per second code check；
Frame per second code check adjusting module, for notifying that described video terminal carries out uploaded videos according to described minimum frame per second code check
Data.
5. a kind of video transmission rate based on multi-client according to claim 4 synchronizes management system, its feature
It is：Also include timing module, it is pre- for carrying out to the calculating of the minimum frame per second code check in described frame per second code check computing module
If time interval, described frame per second code check computing module passes through to calculate respectively each described transmission link between the default time
Every the average frame per second code check of interior transmission of video, and using the minimum average frame per second code check of each described transmission link as institute
The minimum frame per second code check stated.
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| CN201610891633.5A CN106658058B (en) | 2016-10-13 | 2016-10-13 | video sending rate synchronization management method and management system based on multiple clients |
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| CN201610891633.5A CN106658058B (en) | 2016-10-13 | 2016-10-13 | video sending rate synchronization management method and management system based on multiple clients |
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| CN107770597A (en) * | 2017-09-28 | 2018-03-06 | 北京小鸟科技股份有限公司 | Audio and video synchronization method and device |
| CN111753612A (en) * | 2019-09-11 | 2020-10-09 | 上海高德威智能交通系统有限公司 | Method and device for detecting sprinkled object and storage medium |
| CN112866745A (en) * | 2020-12-31 | 2021-05-28 | 广州穗能通能源科技有限责任公司 | Streaming media video data processing method and device, computer equipment and storage medium |
| CN113923480A (en) * | 2021-09-27 | 2022-01-11 | 西安万像电子科技有限公司 | Broadband determination method for image transmission, electronic device and storage medium |
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| CN106658058B (en) | 2019-12-13 |
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