CN103686448A - Video transcoding download speed limiting method and system - Google Patents
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Abstract
The invention discloses a video transcoding download speed limiting method and system. The method includes the steps: acquiring bandwidth monitoring data in a download network within a video download period, and extracting bandwidth occupancy rate information of the download network from the bandwidth monitoring data; setting a download threshold value of a video and corresponding download pause time according to the bandwidth occupancy rate information and a preset download speed rule; monitoring data volume of the downloaded video, pausing download of the video and timing when the data volume reaches the download threshold value, monitoring the timing time, and recovering download of the video when the timing time reaches the download pause time. The method solves the problem that the download speeds of transcoding servers are limited when the video is downloaded.
Description
Technical field
The application relates to video data downloading field, more specifically, relates to a kind of method and system of video code conversion downloading speed limiting.
Background technology
In prior art, video website need to convert a large amount of video resources (film source) to the form (video finished product) that is suitable for netcast, this be because: for different video resources, it has different video formats, not all video format is all suitable for Internet Transmission and plays, video website by video resource be converted to as: the video finished product of forms such as " .flv " or " .mp4 " carries out Internet Transmission (wherein, " .flv " form is suitable for television terminal transmission and plays, " .mp4 " form is suitable for computer and mobile terminal network transmission and plays).That is to say, need to all video resources, set up transcoding task to carry out transcoding processing by the transcoding service end (being formed by transcoding server) of video website inside.
In order to guarantee that a large amount of video resources can process normally to transmit broadcasting in time, the transcoding service end of video website inside conventionally arrange tens or up to a hundred transcoding servers carry out transcoding processing.Therefore, video resource becomes the process of video finished product output from film source, and transcoding just seems particularly important as a most important link in production line.
In the transcoding service end of video website, be provided with the sheet source server of depositing specially all kinds of video resources, each transcoding server, after receiving transcoding task, all can be downloaded corresponding film source, then carry out transcoding processing for this film source from sheet source server.
At present, between each transcoding server and sheet source server, pass through routing device (as: switch, router etc.) carry out transfer of data at a high speed, it is per second that its transmission bandwidth (the maximum data amount during transmission) can reach 10Gbits/s(gigabit, be the data volume of maximum transmission 10G per second), because transmission bandwidth is limited, transcoding server is downloaded film source from sheet source server can take more bandwidth, even take bandwidth, cause other transcoding servers can not download film source and (can only wait for that current transcoding server download is complete, exiting bandwidth uses), thereby the retardation that causes transcoding to process.And, after transmission bandwidth is occupied full, there will be the phenomenons such as transmission data packet loss, the film source that causes transcoding server to download is imperfect, and then causes transcoding failure.If when many transcoding servers are downloaded film source simultaneously from sheet source server, be easy to take bandwidth, the retardation or the transmission packet loss that cause transcoding to process.
Summary of the invention
In view of this, the application's technical problem to be solved has been to provide a kind of method and system of video code conversion downloading speed limiting, the problem to each transcoding server downloading speed limiting when solving foradownloaded video.
In order to solve the problems of the technologies described above, the application discloses a kind of method of video code conversion downloading speed limiting, it is characterized in that, comprising:
Within the cycle that video is downloaded, obtain the bandwidth usage information that width monitoring data in download network therefrom extract this download network;
According to described bandwidth usage information and preset speed of download rule, the download threshold value of this video and corresponding download are set and suspend duration;
The data volume of this video that monitoring is downloaded, when reaching this download threshold value, suspends download the timing of this video, monitors the duration of this timing, recovers the download to this video when reaching described download time-out duration.
Preferably, described preset speed of download rule, is further:
According to described bandwidth usage, obtain after the volume of transmitted data in unit transmission time under this bandwidth usage the rule of the data transmission bauds corresponding with described bandwidth usage generating.
Preferably, described download suspends duration, is further:
The download that is less than the overtime time limit of transfer of data in described download network suspends duration.
Preferably, obtain the width monitoring data in download network, be further:
From the data transmission interface of the routing device of described download network, obtain the described width monitoring data of this download network.
In order to solve the problems of the technologies described above, disclosed herein as well is a kind of system of video code conversion downloading speed limiting, it is characterized in that, this system comprises: acquiring unit, setting and downloading control unit, wherein,
Described acquiring unit, in the download period of video, obtains the bandwidth usage information that width monitoring data in download network therefrom extract this download network;
Described setting unit, for according to described bandwidth usage information and preset speed of download rule, arranges the download threshold value of this video and corresponding download and suspends duration;
Described downloading control unit, for monitoring the data volume of this video of download, when reaching this download threshold value, suspends download the timing of this video, monitors the duration of this timing, recovers the download to this video when reaching described download time-out duration.
Preferably, described preset speed of download rule, is further:
According to described bandwidth usage, obtain after the volume of transmitted data in unit transmission time under this bandwidth usage the rule of the data transmission bauds corresponding with described bandwidth usage generating.
Preferably, described download suspends duration, is further:
The download that is less than the overtime time limit of transfer of data in described download network suspends duration.
Preferably, described acquiring unit, is further used for:
From the data transmission interface of the routing device of described download network, obtain the described width monitoring data of this download network.
Compared with prior art, the method and system of a kind of video code conversion downloading speed limiting described in the application, has reached following effect:
1) the application obtains by the width monitoring data to whole download network, can know in real time the bandwidth status of current download network, thereby again according to current bandwidth status and preset speed of download rule, the interruption downloading mode that employing meets this bandwidth status carries out downloading speed limiting to each transcoding server, the problem to each transcoding server downloading speed limiting while efficiently solving foradownloaded video.
2) speed of download that the application can also realize each transcoding server is adaptive to the mode of the bandwidth status of download network, carries out downloading speed limiting, and does not need artificial setting, has effectively increased the application's applicability, has also reduced and has controlled cost.
Certainly, arbitrary product of enforcement the application must not necessarily need to reach above-described all technique effects simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the flow chart of the method for the video code conversion downloading speed limiting described in the embodiment of the present application one.
Fig. 2 is the flow chart of the method for the video code conversion downloading speed limiting described in the embodiment of the present application two.
Fig. 3 is the structured flowchart of the system of the video code conversion downloading speed limiting described in the embodiment of the present application four.
Embodiment
As used some vocabulary in the middle of specification and claim, censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and electric property coupling means indirectly at this.Therefore, if describe a first device in literary composition, be coupled to one second device, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other devices or the means that couple.Specification subsequent descriptions is for implementing the application's better embodiment, and right described description is to illustrate that the application's rule is object, not in order to limit the application's scope.The application's protection range is when being as the criterion depending on the claims person of defining.
Embodiment mono-
As shown in Figure 1, be the method for a kind of video code conversion downloading speed limiting described in the embodiment of the present application one, the method comprises:
In step 101, video leaves in corresponding sheet source server, a plurality of transcoding servers are realized and being connected of described source server by routing device (as: switch), and form download network between described source server and a plurality of transcoding server.When transcoding server need to carry out video code conversion, can carry out transcoding processing by transferring the video of storing in corresponding sheet source server, and set up corresponding transcoding task, in the present embodiment, described source server and a plurality of described transcoding server can adopt the mode of cloud framework to realize connection, wherein this sheet source server can be used as cloud storage server and carries out video storage, be that various places are with video resource being uploaded to corresponding sheet source server per family, after generating corresponding transcoding task, transcoding server in the present embodiment is downloaded corresponding video and is carried out transcoding processing from described source server, after transcoding is processed, the user of other each department just can pass through terminal, mobile terminal or television terminal are accessed this video website and are watched or download corresponding video resource.Certainly, for the transcoding server in the present embodiment, can also be other frame constructions, do not form the restriction to the application.
For the routing device in the download network of step 101, different described transcoding servers is all passing through this routing device from described source server foradownloaded video, the data volume of transmitting from described routing device is exactly the downloading data amount in download network, again because the bandwidth in download network is exactly the maximum amount of data that can transmit in this download network in the unit interval, so, described routing device, by the downloading data amount of the described download network of monitoring, just can obtain the bandwidth status of this download network.Therefore, in step 101, obtain after the width monitoring data in download network, can from this Monitoring Data, extract the bandwidth usage information of current this download network.
Wherein, it should be noted that, the described Monitoring Data in described routing device, specifically can be stored in the database or data storage of this routing device, by transferring the coffret in this routing device, just can obtain corresponding described detection data.In the present embodiment, in described download network, can also adopt special data monitoring equipment to monitor described bandwidth status, thereby can from described data monitoring equipment, obtain corresponding Monitoring Data, certainly, can also adopt other modes to carry out the monitoring of transmission bandwidth and the obtaining of corresponding Monitoring Data of download network, not form the restriction to the application.
Because described bandwidth is the maximum amount of data that can transmit in the unit interval, and described data volume and the corresponding relation of time of transmission can represent by the mode of transmission speed (being the speed of download of described transcoding server in the present embodiment), so, between the speed of download of described bandwidth and described transcoding server, there is certain corresponding relation, the speed of download that is described transcoding server is larger, and its bandwidth taking is just higher; Speed of download is less, and its bandwidth taking is just lower.So, by the corresponding relation between described speed of download and described bandwidth, further can obtain described speed of download rule.
In step 103, by adopting the downloading mode of discontinuous, extended the download time to described video, thereby can effectively control the speed of download (because speed of download is the ratio of downloading data amount and download time) to described video.
Embodiment bis-
As shown in Figure 2, a kind of based on/asynchronous method of video distribution described in the embodiment of the present application two, the method comprises:
In actual applications, it is all by tens or the transcoding server parallel processing of up to a hundred that the transcoding of video is processed, each described transcoding server can carry out several or tens s' transcoding task simultaneously, when described transcoding server, from described source server, download corresponding video simultaneously and carry out transcoding while processing, every described transcoding server all " is seized " described bandwidth, bandwidth in download network is occupied full very soon, the described transcoding server that there is no " seizing " bandwidth just can not be from described source server foradownloaded video, thereby cannot process corresponding transcoding task.
Different described transcoding servers is all passing through this routing device from described source server foradownloaded video, the data volume of transmitting from described routing device is exactly the downloading data amount in download network, described routing device is by the downloading data amount of the described download network of monitoring, just can obtain the bandwidth status of this download network, so, for step 201, obtain the width monitoring data in download network, be specially from the data transmission interface of the routing device of described download network, obtain the described width monitoring data of this download network.
For step 202, described preset speed of download rule, is specially according to described bandwidth usage, obtains after the volume of transmitted data in unit transmission time under this bandwidth usage the rule of the data transmission bauds corresponding with described bandwidth usage generating.
It should be noted that, between described transcoding server and sheet source server, adopt http(Hypertext transfer protocol, hypertext transfer protocol) mode carries out transfer of data.For the transmission means of http, in transmission network, be preset with corresponding transmission time-out time (being generally 6 seconds), if suspending duration, described download surpasses after default described transmission time-out time, the transmission in this network will be terminated.Especially for transcoding server, downloaded the partial data of video, if transmit overtime, transcoding server can only be downloaded corresponding video again from described source server, and the video data of before having downloaded will be eliminated, and has had a strong impact on the processing progress of transcoding task.So in step 202, described download suspends duration, be specially the download time-out duration that is less than the overtime time limit of transfer of data in described download network.
Embodiment tri-
Below the concrete application of the method for described video code conversion downloading speed limiting is elaborated:
Set: transcoding server A and B download respectively corresponding video and carry out transcoding processing from sheet source server.
The detailed process of this video code conversion downloading speed limiting is:
Step 1, in the download period of video, transcoding server A and B are respectively from the data transmission interface of the routing device of described download network, obtain the described width monitoring data of this download network, from this width monitoring extracting data, go out again the bandwidth usage information of this download network, the bandwidth usage of knowing current download network be 80%(wherein, current bandwidth usage is 8Gbits/s, and bandwidth in download network is 10Gbits/s).
Step 2, according to bandwidth usage information and preset speed of download rule, transcoding server A and B arrange respectively download threshold value separately and corresponding download suspends duration.Wherein, transcoding server A download threshold value is set to 10M, and it is 50ms(millisecond that the download of its correspondence suspends duration); Transcoding server B download threshold value is set to 5M, and it is 1s(second that the download of its correspondence suspends duration).
Step 3, transcoding server A and B suspend duration according to the download threshold value of setting separately and corresponding download respectively, and video is carried out to discontinuous download.
Particularly:
For transcoding server A
Transcoding server A is foradownloaded video from sheet source server, and when the data volume of monitoring its foradownloaded video reaches 10M, transcoding server A just suspends the download to video, starts timing simultaneously, and timing is waited for after 50ms, then recovered the download to this video.Transcoding server A is by the downloading mode that repeats to suspend-recover, until completely video has been downloaded.
For transcoding server B
Transcoding server B is foradownloaded video from sheet source server, and when the data volume of monitoring its foradownloaded video reaches 5M, transcoding server A just suspends the download to video, starts timing simultaneously, and timing is waited for after 1s, then recovered the download to this video.Transcoding server B is by the downloading mode that repeats to suspend-recover, until completely video has been downloaded
In the present embodiment, because transcoding server A and B obtain the described width monitoring data of this download network in real time from the data transmission interface of routing device, if in downloading process, the bandwidth usage of download network changes, transcoding server A and B will be known in time,, the bandwidth usage of download network becomes 90% from 80%, transcoding server A and B will adjust its download threshold value and corresponding download time-out duration in time, transcoding server A is adjusted into 4M by download threshold value, and it is 1s that the download of its correspondence suspends duration; Transcoding server B is adjusted into 1M by download threshold value, and it is 2s that the download of its correspondence suspends duration.
That is to say, if the bandwidth usage of download network rises, transcoding server A and B by increasing the mode of its download time, reduce its speed of download (wherein, speed of download is the ratio of downloading data amount and download time) by respectively.
Certainly, if the bandwidth usage of download network declines, transcoding server A and B can suitably increase speed of download separately.
Embodiment tetra-
As shown in Figure 3, for the script of a kind of transcoding server described in the embodiment of the present application four arranges system, by routing device and sheet source server, couple mutually, this system comprises: acquiring unit 301, setting unit 302 and downloading control unit 303, wherein,
Described acquiring unit 301, couples mutually with described routing device and setting unit 302, within the cycle video is downloaded, obtains the bandwidth usage information that width monitoring data in download network therefrom extract this download network.
Described setting unit 302, couples mutually with described acquiring unit 301 and described downloading control unit 303, for according to described bandwidth usage information and preset speed of download rule, the download threshold value of this video and corresponding download is set and suspends duration.
Described downloading control unit 303, couple mutually with described setting unit 302 and sheet source server, for monitoring the data volume of this video of download, when reaching this download threshold value, suspend download the timing of this video, monitor the duration of this timing, when reaching described download time-out duration, recover the download to this video.
It should be noted that, in the present embodiment, video leaves in corresponding sheet source server, and a plurality of transcoding servers are realized and being connected of described source server by routing device (as: switch), and form download network between described source server and a plurality of transcoding server.When transcoding server need to carry out video code conversion, can carry out transcoding processing by transferring the video of storing in corresponding sheet source server, and set up corresponding transcoding task, in the present embodiment, described source server and a plurality of described transcoding server can adopt the mode of cloud framework to realize connection, wherein this sheet source server can be used as cloud storage server and carries out video storage, be that various places are with video resource being uploaded to corresponding sheet source server per family, after generating corresponding transcoding task, transcoding server in the present embodiment is downloaded corresponding video and is carried out transcoding processing from described source server, after transcoding is processed, the user of other each department just can pass through terminal, mobile terminal or television terminal are accessed this video website and are watched or download corresponding video resource.Certainly, for the transcoding server in the present embodiment, can also be other frame constructions, do not form the restriction to the application.
Wherein, for described routing device, different described transcoding servers is all passing through this routing device from described source server foradownloaded video, the data volume of transmitting from described routing device is exactly the downloading data amount in download network, again because the bandwidth in download network is exactly the maximum amount of data that can transmit in this download network in the unit interval, so described routing device, by the downloading data amount of the described download network of monitoring, just can obtain the bandwidth status of this download network.Therefore, described acquiring unit 301, obtains after the width monitoring data in download network, can from this Monitoring Data, extract the bandwidth usage information of current this download network.。
Particularly, described acquiring unit 301, specifically for obtaining the width monitoring data in download network, is specially from the data transmission interface of the routing device of described download network, obtains the described width monitoring data of this download network.
For described preset speed of download rule preset in described setting unit 302, be specially according to described bandwidth usage, obtain after the volume of transmitted data in unit transmission time under this bandwidth usage the rule of the data transmission bauds corresponding with described bandwidth usage generating.
Wherein, between described transcoding server and sheet source server, adopt http mode to carry out transfer of data.For the transmission means of http, in transmission network, be preset with corresponding transmission time-out time (being generally 6 seconds), if suspending duration, described download surpasses after default described transmission time-out time, the transmission in this network will be terminated.Especially for transcoding server, downloaded the partial data of video, if transmit overtime, transcoding server can only be downloaded corresponding video again from described source server, and the video data of before having downloaded will be eliminated, and has had a strong impact on the processing progress of transcoding task.So the described download that described setting unit 302 arranges suspends duration, be specially the download time-out duration that is less than the overtime time limit of transfer of data in described download network.
For described downloading control unit 303, by adopting the downloading mode of discontinuous, extended the download time to described video, thereby the speed of download that can effectively control described video (because of speed of download is: the ratio of downloading data amount and download time).
Because method part have been described in detail the embodiment of the present application, here the expansion of the System and method for corresponding part relating in embodiment is described and omitted, repeat no more.The reference method embodiment of content can to(for) the description of particular content in system, no longer specifically limits here.
Compared with prior art, the method and system of a kind of video code conversion downloading speed limiting described in the application, has reached following effect:
1) the application obtains by the width monitoring data to whole download network, can know in real time the bandwidth status of current download network, thereby again according to current bandwidth status and preset speed of download rule, the interruption downloading mode that employing meets this bandwidth status carries out downloading speed limiting to each transcoding server, the problem to each transcoding server downloading speed limiting while efficiently solving foradownloaded video.
2) speed of download that the application can also realize each transcoding server is adaptive to the mode of the bandwidth status of download network, carries out downloading speed limiting, and does not need artificial setting, has effectively increased the application's applicability, has also reduced and has controlled cost.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, commodity or the system that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, commodity or system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, commodity or the system that comprises described key element and also have other identical element.
The embodiment that it will be understood by those skilled in the art that the application can be provided as method, system or computer program.Therefore, the application can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the application can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The embodiment that the foregoing is only the application, is not limited to the application.To those skilled in the art, the application can have various modifications and variations.Any modification of doing within all spirit in the application and principle, be equal to replacement, improvement etc., within all should being included in the application's claim scope.
Claims (8)
1. a method for video code conversion downloading speed limiting, is characterized in that, comprising:
Within the cycle that video is downloaded, obtain the bandwidth usage information that width monitoring data in download network therefrom extract this download network;
According to described bandwidth usage information and preset speed of download rule, the download threshold value of this video and corresponding download are set and suspend duration;
The data volume of this video that monitoring is downloaded, when reaching this download threshold value, suspends download the timing of this video, monitors the duration of this timing, recovers the download to this video when reaching described download time-out duration.
2. the method for video code conversion downloading speed limiting as claimed in claim 1, is characterized in that, described preset speed of download rule, is further:
According to described bandwidth usage, obtain after the volume of transmitted data in unit transmission time under this bandwidth usage the rule of the data transmission bauds corresponding with described bandwidth usage generating.
3. the method for video code conversion downloading speed limiting as claimed in claim 1, is characterized in that, described download suspends duration, is further:
The download that is less than the overtime time limit of transfer of data in described download network suspends duration.
4. the method for video code conversion downloading speed limiting as claimed in claim 1, is characterized in that, obtains the width monitoring data in download network, is further:
From the data transmission interface of the routing device of described download network, obtain the described width monitoring data of this download network.
5. a system for video code conversion downloading speed limiting, is characterized in that, this system comprises: acquiring unit, setting and downloading control unit, wherein,
Described acquiring unit, in the download period of video, obtains the bandwidth usage information that width monitoring data in download network therefrom extract this download network;
Described setting unit, for according to described bandwidth usage information and preset speed of download rule, arranges the download threshold value of this video and corresponding download and suspends duration;
Described downloading control unit, for monitoring the data volume of this video of download, when reaching this download threshold value, suspends download the timing of this video, monitors the duration of this timing, recovers the download to this video when reaching described download time-out duration.
6. the system of video code conversion downloading speed limiting as claimed in claim 5, is characterized in that, described preset speed of download rule, is further:
According to described bandwidth usage, obtain after the volume of transmitted data in unit transmission time under this bandwidth usage the rule of the data transmission bauds corresponding with described bandwidth usage generating.
7. the system of video code conversion downloading speed limiting as claimed in claim 5, is characterized in that, described download suspends duration, is further:
The download that is less than the overtime time limit of transfer of data in described download network suspends duration.
8. the system of video code conversion downloading speed limiting as claimed in claim 5, is characterized in that, described acquiring unit, is further used for:
From the data transmission interface of the routing device of described download network, obtain the described width monitoring data of this download network.
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| CN105721604A (en) * | 2016-03-24 | 2016-06-29 | 北京百度网讯科技有限公司 | Data sending method and device based on downloading request of user |
| CN108989272A (en) * | 2017-06-07 | 2018-12-11 | 北京视联动力国际信息技术有限公司 | A kind of data processing method, device and electronic equipment |
| CN108989272B (en) * | 2017-06-07 | 2022-05-17 | 视联动力信息技术股份有限公司 | Data processing method and device and electronic equipment |
| CN109218847A (en) * | 2017-06-30 | 2019-01-15 | 中兴通讯股份有限公司 | A kind of download control method, device and multimedia terminal |
| CN109218847B (en) * | 2017-06-30 | 2022-03-04 | 中兴通讯股份有限公司 | Download control method and device and multimedia terminal |
| CN107426313A (en) * | 2017-07-21 | 2017-12-01 | 北京金山安全管理系统技术有限公司 | Data publication method and device |
| CN110278232B (en) * | 2018-03-16 | 2021-08-17 | 腾讯科技（深圳）有限公司 | Method, device and system for controlling data downloading |
| CN110278232A (en) * | 2018-03-16 | 2019-09-24 | 腾讯科技（深圳）有限公司 | A kind of method and device, the system of the downloading of control data |
| CN109032759A (en) * | 2018-08-01 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of control method and device of virtualization system |
| CN110401691A (en) * | 2019-05-09 | 2019-11-01 | 腾讯科技（深圳）有限公司 | A kind of resource downloading control method, device and terminal |
| CN110401691B (en) * | 2019-05-09 | 2021-11-16 | 腾讯科技（深圳）有限公司 | Resource downloading control method, device and terminal |
| CN112383800A (en) * | 2020-10-12 | 2021-02-19 | 特斯联科技集团有限公司 | Method and device for distributing and scheduling monitoring video data and electronic equipment |
| CN112312165A (en) * | 2020-10-19 | 2021-02-02 | 中移（杭州）信息技术有限公司 | Video distribution method and device and computer readable storage medium |
| CN112153428A (en) * | 2020-11-04 | 2020-12-29 | 上海连尚网络科技有限公司 | Video processing method and device |
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