CN111586350B - Method for adjusting code rate based on bandwidth, priority and no-operation time - Google Patents
Method for adjusting code rate based on bandwidth, priority and no-operation time Download PDFInfo
- Publication number
- CN111586350B CN111586350B CN202010309119.2A CN202010309119A CN111586350B CN 111586350 B CN111586350 B CN 111586350B CN 202010309119 A CN202010309119 A CN 202010309119A CN 111586350 B CN111586350 B CN 111586350B
- Authority
- CN
- China
- Prior art keywords
- priority
- video
- current
- bandwidth
- code rate
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000009467 reduction Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 5
- 238000013468 resource allocation Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/805—QOS or priority aware
-
- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
-
- 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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25891—Management of end-user data being end-user preferences
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention belongs to the technical field of visual intelligent online monitoring, and particularly relates to a method for adjusting code rate based on bandwidth, priority and no-operation time. The invention comprises the following steps: recording the current code rates of video circuits corresponding to all current account numbers at each video starting; judging the priority of the current operation before the current operation is carried out; allocating bandwidth resources according to the priority. The invention automatically adjusts the code rate of the video stream by judging the bandwidth resource condition and combining the parameters of the current operation priority, the non-operation time and the like through a combination strategy. The bandwidth resource is effectively saved, the video blocking phenomenon is avoided to the maximum extent, and the high-priority video operation is guaranteed. Has the characteristics of simple structure and easy realization. The method has good popularization and can be applied to various scenes of power transmission and transformation video online monitoring. Has important significance for ensuring the safe and reliable operation of equipment, and has wide market prospect and application value.
Description
Technical Field
The invention belongs to the technical field of visual intelligent online monitoring, and particularly relates to a method for adjusting code rate based on bandwidth, priority and no-operation time.
Background
The video monitoring system is widely applied to the field of power transmission and transformation online monitoring, and bandwidth resource limitation exists in the practical application of video monitoring. Because the total bandwidth required by the task exceeds the capacity of actual bandwidth resources, the network is congested and blocked, and packet loss is caused, and the situations of video blocking, mosaic and the like often occur. The current device has the ability of QoS (Quality of Service) based automatic adjustment of the code rate according to the bandwidth resource, but the method is based on the network bandwidth situation. The existing device has the capability of automatically adjusting the code rate according to the bandwidth resources, but the factors such as the importance of operation, the invalid occupation of the bandwidth and the like cannot be considered from the level of the whole system, and the bandwidth resources are uniformly distributed and managed without difference according to the factors. Therefore, the bandwidth capability of the video operation is also considered from the system level, and the bandwidth and the code rate of the video are uniformly adjusted and reasonably distributed in combination with the factors such as the priority, the non-operation time and the like.
However, in practical application, different video access requirements need to be considered and treated differently on a system level, and the method is directed to the actual requirements of the security risk management and control platform of the company in liaoning province on bandwidth allocation and video smoothness, and combines the following requirements: for the situations of emergency command and real-time scene viewing by leaders, the situation that the video code rate of the video line corresponding to the scene is automatically reduced and viewed due to the limitation of bandwidth resources is not suitable, and high-definition video browsing is required to be ensured in the application situations.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for adjusting the code rate based on bandwidth, priority and no operation time by combining the actual requirements of a security risk management and control platform on bandwidth allocation and utilization and smooth video. The invention aims to realize the purposes of effectively saving bandwidth resources, avoiding the phenomenon of video pause to the maximum extent and guaranteeing the operation of high-priority videos.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a method for adjusting code rate based on bandwidth, priority and no-operation time comprises the following steps:
step 1, recording the current code rates of video circuits corresponding to all current account numbers when a video is started every time; the recording of the current code rates of the video lines corresponding to all the current account numbers at each video starting comprises the following steps: recording the current video line code rate each time the video is connected, and storing the current video line code rate of the operation video and the current operation account in a correlation manner; each time the code rate is modified, the associated memory needs to be updated;
recording the current code rates of the video lines corresponding to all current account numbers at each video starting time specifically comprises the following steps: recording the current code rates of all current online video circuits, and adding and calculating the total used bandwidth resources of the current online video circuits;
the calculation mode of the total bandwidth is to accumulate the bandwidth occupied by all the online video circuits and calculate the used total bandwidth;
step 2, judging the priority of the current operation before the current operation is carried out; the priority is preset according to the account number and is not adjusted and changed; if the change needs to be applied to the super manager through the application approval process;
step 3, allocating bandwidth resources according to the priority; the priorities respectively comprise a default priority and a high priority;
the bandwidth resource allocation according to the priority is that before the bandwidth resource is allocated, the currently used bandwidth resource is judged at first, and if the used total bandwidth resource does not exceed the total bandwidth allocated by the line, the current task is started; if the used bandwidth resources exceed the total bandwidth of the line, the bandwidth resources are adjusted until the bandwidth resources can meet the requirements of the current task;
the non-operation time is calculated from the last action time of operating the ball distribution and control equipment by the cradle head until the current time, the code rate reduction operation is performed step by step from a low priority to a higher priority, and the video circuit with the longest non-operation time is selected for operation;
the adjustment of the bandwidth resources is realized by a combined video code rate adjustment strategy process, and the combined video code rate adjustment strategy comprises the following steps:
step a: traversing the low priority task list; finding a task occupying default initial bandwidth resources at present, and selecting a conforming task to perform code rate reduction processing by combining the task without operation time, so that the processed code rate is lower than the default code rate;
step b: after the strategy is executed, continuously and repeatedly judging whether the current bandwidth resource meets the bandwidth requirement, and if so, starting a new task; if not, re-executing the combined code rate strategy until the bandwidth resources can meet the requirements of the current task;
step c: and after the steps are finished, starting the current task.
Further, the adjusting the bandwidth resource includes the following steps:
step (1) processing according to the non-operation time of each line, and performing code rate reduction processing on the non-operation line from the line with the lowest priority;
step (2) if the strategy in step (1) still can not meet the bandwidth requirement, closing the low-priority and longest non-operation time line, wherein the closing operation is performed step by step from the low priority to the higher priority and is selected from the video channel with the longest non-operation time;
and (3) after the high-priority operation is finished, restoring the code rate of the line which is reduced or closed previously to the default code rate.
Further, the allocating bandwidth resources according to the account number permission priority specifically includes: presetting a code rate for the current video circuit according to the priority, traversing the online video circuit at the same time, judging whether the circuit has the condition of no operation for a long time one by one, and if the circuit has no operation for a long time, reducing the code rate or closing the low-priority video circuit according to the priority; after the above operations are carried out, enough bandwidth resources are reserved for the current high-priority video line to use; setting operation highest priority, only giving a specific examination and approval account for use, and giving a video line with low priority to reduce code rate or close processing according to the priority if bandwidth resources are not met when the line corresponding to the highest priority is used; and distributing the highest code rate to the highest priority, and distributing other priority tasks according to the preset value.
The invention has the following advantages and beneficial technical effects:
the method is used in the field of intelligent video monitoring, and has the characteristics of simple structure and easy realization. The invention considers the bandwidth resource allocation from the system level and ensures the requirement of the task of high priority operation on high definition resolution. The invention considers the occupation of bandwidth resources by long-time no-operation lines from the system level, and optimizes and allocates the resources through a combination strategy.
Based on the current common video application, the unified video monitoring platform aims to provide guarantee for services such as safety supervision and inspection. This requires integrity and correctness of the video information. According to the needs, a method for reducing the code rate until quitting based on the operation priority and considering the long-time no-operation is provided, so that the bandwidth resource is saved and effectively utilized, and support is provided for realizing video monitoring management and improving the lean level of production management.
The invention takes the bandwidth resource allocation of the system into full consideration from the overall level of the video monitoring system, allocates different priorities to different video demands, and sets a high-priority account, wherein the priority is only used for a specific account, which is suitable for the situations of leadership and accountability emergency command or urgent browsing, and when the highest-priority line is used, if the bandwidth resource is not satisfied, the video line with low priority can be given according to the priority to reduce the code rate until the video line is closed. In addition, the invention considers the conditions of no operation and bandwidth resource occupation for a long time and reduces the code rate to ensure the bandwidth resource allocation. The defect that tasks requiring high resolution cannot clearly view the field situation due to the fact that the equipment code rate is automatically adjusted according to the bandwidth resources in the prior art is overcome. The method has good popularization and can be applied to various scenes of power transmission and transformation video online monitoring. Has important significance for ensuring the safe and reliable operation of equipment, and also has wide market prospect and application value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. Wherein the drawings are only for purposes of illustrating some embodiments of the invention and are not to be construed as limiting the invention to all embodiments thereof.
FIG. 1 is a flow chart of video bitrate adjustment in the present invention;
fig. 2 is a flow chart of a combination strategy for adjusting video bitrate in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention relates to a method for adjusting code rate based on bandwidth, priority and no-operation time, in particular to a method for adjusting code rate based on bandwidth resources, operation priority, line no-operation time and other parameters, which carries out reasonable bandwidth allocation and code rate adjustment on all online tasks, and considers that the operation has different importance degrees and different priorities are required to be given in the whole system level. Assigning higher priority is important for certain video operations that require the ability to guarantee high definition resolution. In addition, the invention mainly divides the operation into different priorities, ensures that the high priority can preferentially ensure the bandwidth utilization, and simultaneously considers the situation that in practical application, the operation is finished for a long time and the bandwidth resource is still occupied, and the situation is monitored or operated without people on site to a great extent, and the reduction of the code rate can be considered until the operation is closed.
As shown in fig. 1, fig. 1 is a flow chart of the automatic video bitrate adjustment of the present invention. The invention relates to a method for adjusting code rate based on parameters such as bandwidth, priority, no-operation time and the like, which comprises the following steps:
step 1, recording the current code rates of video circuits corresponding to all current account numbers at each video starting.
Recording the current video line code rate each time a video is connected, and storing the current line video code rate and the current operation account number into a database storage table in a correlation manner; each time the code rate is modified, the association memory table needs to be updated.
And 2, judging the priority of the current operation before the current operation is carried out.
The priority is preset according to the account number, adjustment and change are not required to be given under the general condition, and if the change is required, the application is applied to a super manager through an application approval process.
And 3, allocating the bandwidth resources according to the priority.
Before allocating bandwidth resources, firstly judging the currently used bandwidth resources, and if the used total bandwidth resources do not exceed the total bandwidth allocated by a line, allowing to start a video; if the used total bandwidth resources exceed the total bandwidth allocated by the line, the bandwidth resources are adjusted according to the following steps until the bandwidth resources can meet the requirements of the current task, and the method specifically comprises the following steps:
step (1) firstly, processing is carried out according to the non-operation time of each line, and the code rate reduction processing is carried out on the non-operation line from the line with the lowest priority.
The non-operation time is calculated until the current time from the last action time of operating the ball arrangement and control equipment through a holder and the like, the code rate reduction operation is performed step by step from a low priority to a higher priority, and the video line with the longest non-operation time is selected for operation.
And (2) if the bandwidth requirement cannot be met through the strategy in the step (1), closing the low-priority and longest non-operation time line, wherein the closing operation is performed step by step from the low priority to the higher priority and is selected from the video channel with the longest non-operation time.
And (3) after the high-priority operation is finished, restoring the code rate of the line which is reduced or closed previously to the default code rate.
Example 1:
the invention relates to a method for adjusting code rate based on bandwidth, priority and no-operation time, which comprises the following steps: recording the current code rates of all current online video circuits, and adding and calculating the total used bandwidth resources of the current online video circuits; presetting a code rate for the current video circuit according to the priority, traversing the online video circuit simultaneously, judging whether the circuit has the condition of no operation for a long time one by one, and if the circuit has no operation for a long time, reducing the code rate or closing the low-priority video circuit according to the priority. After the above operations are performed, enough bandwidth resources are left for the current high-priority video line to use. In addition, the highest priority of operation is set, the priority is only used for a specific examination and approval account, such as leadership and accountability for emergency command or urgent browsing, and when the highest priority corresponds to the line usage, if the bandwidth resource is not satisfied, the video line with low priority can be given according to the priority to reduce the code rate or close the processing.
In the system corresponding to the invention, the priority level is two levels: default priority and high priority. A default priority and permission table needs to be established. The table content includes different operation authority account numbers and corresponding priorities, and the different priorities correspond to the same default initial code rate initially. And the default priority is the priority corresponding to the common authority account.
Before starting a task, the bandwidth resources currently available should be calculated first: and recording the current code rate, and calculating and updating the current occupied bandwidth resource.
The calculation mode of the total bandwidth is to accumulate the bandwidths occupied by all the online video lines and calculate the used total bandwidth.
Calculating the difference between the total allocated bandwidth of the line and the occupied bandwidth resource to obtain available bandwidth, judging whether the available bandwidth meets the bandwidth requirement of the current task operation, and if the available bandwidth meets the bandwidth requirement, starting the current task; and if the bandwidth requirement is not met, reducing the bit rate of the existing low-priority task according to a video bit rate regulation combination strategy, and storing the bit rate of the task and the account number in a corresponding table in an associated manner, wherein the table comprises information such as the current account number, a preset bit rate, the current bit rate, the last operation time and the like. As shown in fig. 2, fig. 2 is a flow chart of a combination strategy for adjusting video bitrate in the present invention.
Wherein the combined code rate strategy step comprises the steps of:
step a: the low priority task list is traversed.
And finding the task occupying the default initial bandwidth resource, and selecting the conforming task to perform code rate reduction treatment by combining the task without operation time, so that the treated code rate is lower than the default code rate.
Step b: after the strategy is executed, continuously and repeatedly judging whether the current bandwidth resource meets the bandwidth requirement, and if so, starting a new task; and if not, re-executing the combined code rate strategy until the bandwidth resources can meet the requirements of the current task.
Step c: and after the steps are finished, starting the current task.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The method for adjusting the code rate based on the bandwidth, the priority and the no-operation time is characterized in that: the method comprises the following steps:
step 1, recording the current code rates of video circuits corresponding to all current account numbers when a video is started every time; the recording of the current code rates of the video lines corresponding to all the current account numbers at each video starting comprises the following steps: recording the current video line code rate each time the video is connected, and storing the current video line code rate of the operation video and the current operation account in a correlation manner; each time the code rate is modified, the associated memory needs to be updated;
recording the current code rates of the video lines corresponding to all current account numbers at each video starting time specifically comprises the following steps: recording the current code rates of all current online video circuits, and adding and calculating the total used bandwidth resources of the current online video circuits;
the calculation mode of the total bandwidth is to accumulate the bandwidth occupied by all the online video circuits and calculate the used total bandwidth;
step 2, judging the priority of the current operation before the current operation is carried out; the priority is preset according to the account number and is not adjusted and changed; if the change needs to be applied to the super manager through the application approval process;
step 3, allocating bandwidth resources according to the priority; the priorities respectively comprise a default priority and a high priority;
the bandwidth resource allocation according to the priority is that before the bandwidth resource is allocated, the currently used bandwidth resource is judged at first, and if the used total bandwidth resource does not exceed the total bandwidth allocated by the line, the current task is started; if the used bandwidth resources exceed the total bandwidth of the line, the bandwidth resources are adjusted until the bandwidth resources can meet the requirements of the current task;
the non-operation time is calculated from the last action time of operating the ball distribution and control equipment by the cradle head until the current time, the code rate reduction operation is performed step by step from a low priority to a higher priority, and the video line with the longest non-operation time is selected for operation;
the adjustment of the bandwidth resources is realized by a combined video code rate adjustment strategy process, and the combined video code rate adjustment strategy comprises the following steps:
step a: traversing the low priority task list; finding a task occupying default initial bandwidth resources at present, and selecting a conforming task to perform code rate reduction processing by combining the task without operation time, so that the processed code rate is lower than the default code rate;
step b: after the strategy is executed, continuously and repeatedly judging whether the current bandwidth resource meets the bandwidth requirement, and if so, starting a new task; if not, re-executing the combined code rate strategy until the bandwidth resources can meet the requirements of the current task;
step c: and after the steps are finished, starting the current task.
2. The method of claim 1, wherein the method for adjusting the code rate based on bandwidth, priority and no operation time comprises: the method for adjusting the bandwidth resources comprises the following steps:
step (1) processing according to the non-operation time of each line, and performing code rate reduction processing on the non-operation line from the line with the lowest priority;
step (2) if the strategy in step (1) still can not meet the bandwidth requirement, closing the low-priority and longest non-operation time line, wherein the closing operation is performed step by step from the low priority to the higher priority and is selected from the video channel with the longest non-operation time;
and (3) after the high-priority operation is finished, restoring the code rate of the line which is reduced or closed previously to the default code rate.
3. The method of claim 1, wherein the method for adjusting the code rate based on bandwidth, priority and no operation time comprises: the allocating bandwidth resources according to the account number permission priority specifically includes: presetting a code rate for the current video circuit according to the priority, traversing the online video circuit at the same time, judging whether the circuit has the condition of no operation for a long time one by one, and if the circuit has no operation for a long time, reducing the code rate or closing the low-priority video circuit according to the priority; after the above operations are carried out, enough bandwidth resources are reserved for the current high-priority video line to use; setting operation highest priority, only giving a specific examination and approval account for use, and giving a video line with low priority to reduce code rate or close processing according to the priority if bandwidth resources are not met when the line corresponding to the highest priority is used; and distributing the highest code rate to the highest priority, and distributing other priority tasks according to the preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309119.2A CN111586350B (en) | 2020-04-19 | 2020-04-19 | Method for adjusting code rate based on bandwidth, priority and no-operation time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309119.2A CN111586350B (en) | 2020-04-19 | 2020-04-19 | Method for adjusting code rate based on bandwidth, priority and no-operation time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111586350A CN111586350A (en) | 2020-08-25 |
| CN111586350B true CN111586350B (en) | 2021-11-09 |
Family
ID=72113114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010309119.2A Active CN111586350B (en) | 2020-04-19 | 2020-04-19 | Method for adjusting code rate based on bandwidth, priority and no-operation time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111586350B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727092B (en) * | 2021-07-30 | 2024-04-16 | 深圳力维智联技术有限公司 | Video monitoring quality inspection method and device based on decision tree |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252687A (en) * | 2008-03-20 | 2008-08-27 | 上海交通大学 | Method for implementing multichannel combined interested area video coding and transmission |
| CN102307300A (en) * | 2011-08-17 | 2012-01-04 | 杭州华三通信技术有限公司 | Video connection control method and equipment |
| CN102946570A (en) * | 2012-09-21 | 2013-02-27 | 上海交通大学 | Transmission system and method for multi-stream streaming media of self-adaption network bandwidth |
| CN104333767A (en) * | 2014-10-10 | 2015-02-04 | 厦门雅迅网络股份有限公司 | Multi-channel priority control method and system for vehicle video monitoring system |
| EP2293568B1 (en) * | 2008-05-31 | 2016-01-27 | Huawei Technologies Co., Ltd. | Method and device for controlling code rate |
| CN106375790A (en) * | 2016-09-23 | 2017-02-01 | 西安交通大学 | QoE-driven adaptive scheduling method of multichannel HAS code rate |
| CN108737861A (en) * | 2018-05-11 | 2018-11-02 | 浙江大学 | A kind of bandwidth resources Optimal Configuration Method based on decoding priority under congested environment |
| CN108881972A (en) * | 2018-08-01 | 2018-11-23 | 广州视源电子科技股份有限公司 | Code rate allocation method, device, equipment and storage medium |
| CN109617836A (en) * | 2018-12-29 | 2019-04-12 | 中国科学院遥感与数字地球研究所 | The intelligent bandwidth distribution method and distribution system of satellite data transmission |
| CN109874031A (en) * | 2017-12-04 | 2019-06-11 | 华平信息技术股份有限公司 | Multipriority dynamic code rate method of adjustment and system based on network bandwidth prediction |
| CN110417680A (en) * | 2019-08-16 | 2019-11-05 | 北京伏羲车联信息科技有限公司 | In-vehicle networking stream data optimization method and device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8953452B2 (en) * | 2013-05-16 | 2015-02-10 | Cisco Technology, Inc. | Enhancing performance of rapid channel changes and other playback positioning changes in adaptive streaming |
| CN103647980B (en) * | 2013-12-23 | 2017-02-15 | 合肥工业大学 | Method for distributing low-bit-rate video streaming composite high definition graphic data and bandwidth of low-bit-rate video streaming composite high definition graphic data |
| CN107995017B (en) * | 2016-10-27 | 2021-08-24 | 杭州萤石网络股份有限公司 | Uplink bandwidth allocation method, device and system |
| CN110012324B (en) * | 2019-03-28 | 2020-10-13 | 武汉大学 | Code rate self-adaption method, WIFI camera, control device and code rate self-adaption system for embedded wireless video transmission |
-
2020
- 2020-04-19 CN CN202010309119.2A patent/CN111586350B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252687A (en) * | 2008-03-20 | 2008-08-27 | 上海交通大学 | Method for implementing multichannel combined interested area video coding and transmission |
| EP2293568B1 (en) * | 2008-05-31 | 2016-01-27 | Huawei Technologies Co., Ltd. | Method and device for controlling code rate |
| CN102307300A (en) * | 2011-08-17 | 2012-01-04 | 杭州华三通信技术有限公司 | Video connection control method and equipment |
| CN102946570A (en) * | 2012-09-21 | 2013-02-27 | 上海交通大学 | Transmission system and method for multi-stream streaming media of self-adaption network bandwidth |
| CN104333767A (en) * | 2014-10-10 | 2015-02-04 | 厦门雅迅网络股份有限公司 | Multi-channel priority control method and system for vehicle video monitoring system |
| CN106375790A (en) * | 2016-09-23 | 2017-02-01 | 西安交通大学 | QoE-driven adaptive scheduling method of multichannel HAS code rate |
| CN109874031A (en) * | 2017-12-04 | 2019-06-11 | 华平信息技术股份有限公司 | Multipriority dynamic code rate method of adjustment and system based on network bandwidth prediction |
| CN108737861A (en) * | 2018-05-11 | 2018-11-02 | 浙江大学 | A kind of bandwidth resources Optimal Configuration Method based on decoding priority under congested environment |
| CN108881972A (en) * | 2018-08-01 | 2018-11-23 | 广州视源电子科技股份有限公司 | Code rate allocation method, device, equipment and storage medium |
| CN109617836A (en) * | 2018-12-29 | 2019-04-12 | 中国科学院遥感与数字地球研究所 | The intelligent bandwidth distribution method and distribution system of satellite data transmission |
| CN110417680A (en) * | 2019-08-16 | 2019-11-05 | 北京伏羲车联信息科技有限公司 | In-vehicle networking stream data optimization method and device |
Non-Patent Citations (1)
| Title |
|---|
| 实时流媒体传输系统中关键技术的研究与实现;蒋维;《中国博士学位论文全文库信息科技辑》;20180215(第02期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111586350A (en) | 2020-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10667278B2 (en) | Managing wireless resources | |
| CN110248417B (en) | Resource allocation method and system for communication service in power Internet of things | |
| CN106332088B (en) | Frequency spectrum sharing method based on user fairness among different operators | |
| US8356110B2 (en) | Adaptive bandwidth resource management for media streams | |
| US20100074275A1 (en) | Scheduling virtual bandwidth requests | |
| CN103532873B (en) | flow control policy applied to distributed file system | |
| US20120076154A1 (en) | Method, apparatus and system for adjusting resource delegation in network | |
| CN113810309A (en) | Congestion processing method, network device and storage medium | |
| JPWO2020263486A5 (en) | ||
| US8924760B2 (en) | Scheduler with voltage management | |
| CN104053183A (en) | Network resource management method of LTE system | |
| CN111586350B (en) | Method for adjusting code rate based on bandwidth, priority and no-operation time | |
| CN104618270A (en) | Intelligent bandwidth allocation method and device | |
| CN101114988A (en) | Flow control algorithm for non-continuous emission based forecasting self-adaption multi-velocity service | |
| JP2002509670A (en) | Resource control method in non-unitary service system | |
| CN115551051B (en) | Access load control method and system | |
| CN101242642B (en) | Dynamic resource reservation permission control method and device for broadband wireless access system | |
| CN104133782A (en) | Adaptive management method and device of digital monitoring platform memory | |
| Koutsakis et al. | Call-admission-control and traffic-policing mechanisms for the transmission of videoconference traffic from MPEG-4 and H. 263 video coders in wireless ATM networks | |
| CN107800507B (en) | MCS selection method and equipment for voice service scheduling in cluster system | |
| WO2019161552A1 (en) | Method for dynamically adjusting bandwidth | |
| CN101895960A (en) | Service admission control method and system | |
| JP2008085686A (en) | Reservation admission control system, method and program | |
| CN101360325B (en) | Method and apparatus for ground resource and wireless resource combined management | |
| CN112910715A (en) | Network bandwidth management method and device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |