WO2017096839A1 - 流媒体文件切片的方法、装置及系统 - Google Patents

流媒体文件切片的方法、装置及系统 Download PDF

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Publication number
WO2017096839A1
WO2017096839A1 PCT/CN2016/088871 CN2016088871W WO2017096839A1 WO 2017096839 A1 WO2017096839 A1 WO 2017096839A1 CN 2016088871 W CN2016088871 W CN 2016088871W WO 2017096839 A1 WO2017096839 A1 WO 2017096839A1
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Prior art keywords
server
slicing
slice
task
primary server
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Ceased
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PCT/CN2016/088871
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English (en)
French (fr)
Inventor
刘凤玉
韩峰
徐潇
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Le Holdings Beijing Co Ltd
LeCloud Computing Co Ltd
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Le Holdings Beijing Co Ltd
LeCloud Computing Co Ltd
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Priority to US15/246,437 priority Critical patent/US20170171276A1/en
Publication of WO2017096839A1 publication Critical patent/WO2017096839A1/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/70—Media network packetisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H04L67/1034—Reaction to server failures by a load balancer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/762—Media network packet handling at the source 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/142—Managing session states for stateless protocols; Signalling session states; State transitions; Keeping-state mechanisms

Definitions

  • Embodiments of the present invention relate to the field of electrical communication technologies, and in particular, to a method, device, and system for streaming media file slicing.
  • Streaming media also known as streaming media
  • streaming media is a medium that is broadcasted by the side and is a kind of multimedia.
  • Streaming media the streaming media is played according to the streaming media transmission protocol.
  • Common transmission protocols include RTMP (Real Time Messaging Protocol), RTSP (Real Time Streaming Protocol), MMS (Microsoft Media Server Protocol), and HLS ( HTTP Live Streaming, a streaming media live protocol based on hypertext links, etc.
  • RTMP Real Time Messaging Protocol
  • RTSP Real Time Streaming Protocol
  • MMS Microsoft Media Server Protocol
  • HLS HTTP Live Streaming, a streaming media live protocol based on hypertext links, etc.
  • the HLS live broadcast through the HLS protocol the client does not get a complete data stream. Instead, the live data stream is sliced according to the HLS protocol on the server side to obtain a continuous, short duration fragment file.
  • the client continuously downloads and plays these shard files, because the server always generates new shard files for the latest
  • a streaming media file is sliced through a slicing server.
  • the pressure on the slicing server increases rapidly, which may cause the slicing server system to crash, causing the streaming media file to be sliced.
  • streaming media file data cannot be continuously transmitted.
  • Embodiments of the present invention provide a method, device, and system for streaming media file segmentation, which are used to solve The problem of streaming media file data cannot be continuously transmitted.
  • the present invention provides a method for segmenting a streaming media file, the method being applied to a control center side, the method comprising:
  • the slicing task performed by the primary server is scheduled to be performed on the backup server to continue execution.
  • the present invention further provides a method for segmenting a streaming media file, the method being applied to a backup server side, the method comprising:
  • the slicing task scheduled from the primary server continues to be executed in response to the scheduling instruction.
  • the present invention further provides a device for slicing a media file, the device being located at a control center side, the device comprising:
  • a first scheduling unit configured to schedule a slicing task to perform a slicing task on a primary server
  • a second scheduling unit configured to: if the primary server stops slicing, schedule the slicing task performed by the primary server to the backup server to continue execution.
  • the present invention further provides a device for slicing a media file, the device being located at a control center side, the device comprising:
  • One or more processors are One or more processors.
  • the memory stores instructions that are configured to be executed by the one or more processors, and the one or more processors can perform the following operations by executing the instructions:
  • the slicing task performed by the primary server is scheduled to be performed on the backup server to continue execution.
  • the present invention further provides an apparatus for slicing a media file, the apparatus is located on a backup server side, and the apparatus includes:
  • a receiving unit configured to receive a scheduling instruction sent by the control center, where the scheduling instruction is used to instruct the backup server to continue to perform a slicing task performed on the primary server;
  • an execution unit configured to continue to execute the slice task scheduled from the primary server in response to the scheduling instruction received by the receiving unit.
  • the present invention further provides an apparatus for streaming a file slice, the device being located at a backup server side, the device comprising:
  • One or more processors are One or more processors.
  • the memory stores instructions that are configured to be executed by the one or more processors, and the one or more processors can perform the following operations by executing the instructions:
  • the slicing task scheduled from the primary server continues to be executed in response to the received scheduling instruction.
  • the present invention further provides a system for streaming media file slicing, the system comprising a control center, a primary server, and a backup server;
  • a primary server for performing a slicing task scheduled by the control center
  • the control center is further configured to send a scheduling instruction to the backup server if the primary server stops slicing;
  • a backup server that responds to scheduling instructions and performs a slicing task.
  • the scheduling task is scheduled by the control center, and the main server executes the slicing task scheduled by the control center. If the main server stops slicing, the control center issues a scheduling instruction to the backup server, and the backup The server responds to the scheduling instructions and performs a slicing task.
  • the present invention can use the standby server. When the primary server system crashes, the standby server can continue to complete the slicing task without interrupting the slicing of the streaming media files, and can continuously transfer the streaming media files.
  • FIG. 1 is a flowchart of a method for slicing a first type of streaming media file according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for slicing a second streaming media file according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for slicing a third streaming media file according to an embodiment of the present invention
  • FIG. 4 is a block diagram showing the structure of a device for slicing a first type of streaming media file according to an embodiment of the present invention
  • FIG. 5 is a block diagram showing the structure of a device for slicing a second type of streaming media file according to an embodiment of the present invention
  • FIG. 6 is a block diagram showing the composition of a third streaming media file slice provided by an embodiment of the present invention.
  • FIG. 7 is a block diagram showing a device composition of a fourth streaming media file slice according to an embodiment of the present invention.
  • FIG. 8 is a block diagram showing a system composition of a streaming media file slice according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an apparatus for streaming media file slicing according to an embodiment of the present invention.
  • the embodiment of the invention provides a method for segmenting a streaming media file, and the method is applied to a control center side. As shown in Figure 1, the method includes:
  • the streaming media file is transferred according to the segmented component file and the segmented file is transmitted one by one, thereby completing the streaming media file transmission.
  • a slicing task is to slice a streaming media file during the process of streaming media files. The slicing task is performed by a dedicated slicing server.
  • the system center scheduling the entire system's internal slicing tasks, can meet the slicing needs without wasting server resources.
  • the scheduling method of the control center is not limited.
  • the control center dispatches the slicing task to the primary server, which performs the slicing task.
  • the manner of slicing the server is not limited.
  • streaming media With the increasing use of streaming media, there are more and more users using streaming media, and more and more streaming media files need to be transmitted.
  • the server may crash, the server stops slicing, and the transfer of streaming media files is interrupted.
  • the slicing task performed by the primary server is scheduled to be performed on the backup server.
  • the backup server can perform the same slicing task as the main server.
  • the backup server is enabled to perform the slicing task to ensure the execution of the slicing task.
  • Streaming media files can be continuously transferred without interrupting the slicing of the streaming media files.
  • the control server schedules a slicing task, and the main server executes a slicing task scheduled by the control center. If the main server stops slicing, the control center issues a scheduling instruction to the backup server, and the backup server responds. Schedule instructions to perform a slicing task.
  • the embodiment of the present invention can use the standby server. When the primary server system crashes, the standby server can continue to complete the slicing task without interrupting the slicing of the streaming media file, and can continuously transfer the streaming media file.
  • the embodiment of the present invention further provides a method for segmenting a streaming media file, which is applied to a backup server side. As shown in Figure 2, the method includes:
  • the scheduling instruction is sent by the control center to the backup server for scheduling the slicing task.
  • the backup server continues to execute the slicing task scheduled from the primary server in response to the scheduling instruction.
  • a slicing task scheduled from the primary server is a slicing task that has stopped slicing on the primary server.
  • Continue to perform the "continue" in the slicing task is the last fragment file that the split media file needs to be split on the primary server, and there is no gap between the first fragment file split from the backup server. The file is continuously uninterrupted and there is no missing data.
  • the control server schedules a slicing task, and the main server executes a slicing task scheduled by the control center. If the main server stops slicing, the control center issues a scheduling instruction to the backup server, and the backup server responds. Schedule instructions to perform a slicing task.
  • the embodiment of the present invention can use the standby server. When the primary server system crashes, the standby server can continue to complete the slicing task without interrupting the slicing of the streaming media file, and can continuously transfer the streaming media file.
  • an embodiment of the present invention further provides a method for segmenting a streaming media file, the method involving a control center, a primary server, and a backup server. As shown in FIG. 3, the method includes:
  • the control center groups the slice servers.
  • the slicing servers in the streaming media system are grouped, and there is data interaction between the slicing servers of the same group. Therefore, when grouping the slicing servers, it is premised on facilitating data interaction. There are at least two tile servers in each group to ensure that the slicing of the streaming media files is not interrupted. In the present embodiment, the upper limit number of the slice servers in each packet is not limited.
  • the control center determines one slice server as a primary server in each group, and determines other slice servers in the group as a backup server.
  • one slice server is the primary server, and the primary server is any one of the slice servers in the group.
  • the control center schedules the slice task to perform a slicing task on the primary server.
  • control center When the control center receives the slicing task, it schedules the slicing task to the primary server, instructing the primary server to perform the slicing task.
  • the primary server performs a slicing task.
  • the primary server slices the streaming media file, and when the primary server performs the slicing task, backs up the slicing result generated by the primary server to the backup server, so that when the slicing task is scheduled to be executed on the backup server, the backup server continues to execute according to the slicing result.
  • the slice result carries the sequence number information of the slice and the slice duration information, and is used by the backup server to continue the slice according to the sequence number information and the slice duration information.
  • the control center detects whether the primary server stops slicing.
  • the method of detecting whether the primary server stops slicing including receiving an abnormality reported by the primary server. It is known that the abnormality notification is used to indicate that the primary server stops slicing; or, the primary server periodically sends a live test request, and if the active response returned by the primary server is not received, it is determined that the primary server stops slicing. Both detection methods can detect whether the primary server stops slicing.
  • the normal notification is not limited.
  • the periodicity of sending a live test request to the server is not limited in this embodiment.
  • the backup server receives the scheduling instruction sent by the control center.
  • the scheduling instruction is used to instruct the backup server to continue executing the slicing task performed on the primary server.
  • the backup server continues to execute the slicing task scheduled from the primary server in response to the scheduling instruction.
  • the slicing task continues to be performed based on the slice result.
  • the slice result carries the sequence number information of the slice and the slice duration information; the slice is continued according to the sequence number information and the slice duration information.
  • the slice result refers to the result of the slice backed up to the backup server when the primary server is sliced.
  • Different streaming media files correspond to different slicing tasks, and different slicing tasks have different slicing results.
  • it refers to the slice task of the same streaming media file, and the slice result of the same slice task.
  • an embodiment of the present invention further provides a device for segmenting a streaming media file, where the device is located on the control center side, or is independent of the control center but is established with the control center.
  • the apparatus includes: a first scheduling unit 41 and a second scheduling unit 42. among them,
  • a first scheduling unit 41 configured to schedule a slicing task to perform a slicing task on a primary server
  • the second scheduling unit 42 is configured to schedule the slicing task executed by the main server to the backup server to continue execution if the main server stops slicing.
  • the device further includes:
  • the grouping unit 43 is configured to group the slice servers before the first scheduling unit 41 schedules the slice tasks to perform the slice task on the primary server, and each group includes at least two slice servers;
  • the determining unit 44 is configured to determine one slice server as a primary server in each group of the grouping unit 43, and determine other slice servers in the group as the backup server.
  • the second scheduling unit 42 includes:
  • the detecting module 421 is configured to detect whether the primary server stops slicing
  • the scheduling module 422 is configured to: if the detection result of the detection module 421 is yes, schedule the slice task executed by the primary server to the backup server to continue execution.
  • the detecting module 421 includes:
  • the receiving sub-module 4211 is configured to receive an abnormality notification reported by the primary server, where the abnormality notification is used to indicate that the primary server stops the slicing;
  • the determining sub-module 4212 is configured to periodically send a report of the live test to the primary server. If the live response returned by the primary server is not received, it is determined that the primary server stops the slice.
  • the device further includes:
  • the backup unit 45 is configured to back up the slice result generated by the primary server to the backup server when the primary server performs the slicing task, so that when the scheduling task is scheduled to be executed on the backup server, the backup server continues to perform the slice according to the slice result.
  • the slice result backed up by the backup unit 45 carries the sequence number information of the slice and the slice duration information, and is used by the backup server to continue the slice according to the sequence number information and the slice duration information.
  • the scheduling task is scheduled by the control center, and the main server executes the slicing task scheduled by the control center. If the main server stops slicing, the control center issues a scheduling instruction to the backup server, and the backup server responds. Schedule instructions to perform a slicing task.
  • the embodiment of the present invention can use the standby server. When the primary server system crashes, the standby server can continue to complete the slicing task without interrupting the slicing of the streaming media file, and can continuously transfer the streaming media file.
  • the embodiment of the present invention further provides a device for splitting a streaming media file, which is applied to the standby server side, or is independent of the server but has a data interaction relationship with the server.
  • the device includes a receiving unit 61 and an executing unit 62. among them,
  • the receiving unit 61 is configured to receive a scheduling instruction sent by the control center, where the scheduling instruction is used to instruct the backup server to continue executing the slicing task performed on the primary server;
  • the executing unit 62 is configured to continue to execute the slicing task scheduled from the primary server in response to the scheduling instruction received by the receiving unit 61.
  • the apparatus further includes:
  • the backup unit 63 is configured to back up the slice result generated by the primary server when the primary server performs the slicing task before the receiving unit 62 receives the scheduling instruction sent by the control center;
  • the executing unit 62 is configured to continue to perform the slicing task according to the backup unit backup slice result.
  • the slice result backed up by the backup unit 63 carries the sequence number information of the slice and the slice duration information
  • the executing unit 62 is configured to continue to slice according to the serial number information and the fragmentation duration information.
  • the scheduling task is scheduled by the control center, and the main server executes the slicing task scheduled by the control center. If the main server stops slicing, the control center issues a scheduling instruction to the backup server, and the backup server responds. Schedule instructions to perform a slicing task.
  • the embodiment of the present invention can use the standby server. When the primary server system crashes, the standby server can continue to complete the slicing task without interrupting the slicing of the streaming media file, and can continuously transfer the streaming media file.
  • the embodiment of the present invention further provides a system for segmenting a streaming media file.
  • the system includes: a control center 81, a main server 82, and Backup server 83, where:
  • control center 81 configured to schedule a slicing task
  • a main server 82 configured to execute a slicing task scheduled by the control center 81;
  • the control center 81 is further configured to send a scheduling instruction to the backup server 83 if the primary server 82 stops slicing;
  • the backup server 83 is configured to execute a slicing task in response to the scheduling instruction.
  • the control server schedules the slicing task, and the main server executes the slicing task scheduled by the control center. If the main server stops slicing, the control center issues a scheduling instruction to the backup server, and the backup server responds. Schedule instructions to perform a slicing task.
  • the embodiment of the present invention can use the standby server. When the primary server system crashes, the standby server can continue to complete the slicing task without interrupting the slicing of the streaming media file, and can continuously transfer the streaming media file.
  • each unit module used in the embodiment of the present invention can be implemented by a hardware processor.
  • FIG. 9 is a schematic structural diagram of a device for streaming media file segmentation according to an embodiment of the present invention.
  • the device for segmenting the streaming media file may include: a processor 91. , Communication Interface 92, Memory 93 and The bus 94, in which the processor 91, the communication interface 92, and the memory 93 complete communication with each other via the bus 94.
  • Communication interface 92 can be used for information transfer between the server and the client.
  • the processor 91 can call the logic instructions in the memory 93 to perform the following methods on the control center side: scheduling the slicing task to the main server to perform the slicing task; if the main server stops slicing, the slice executed by the main server The task is scheduled to continue to execute on the backup server.
  • the backup server is configured to: receive a scheduling instruction sent by the control center, where the scheduling instruction is used to instruct the backup server to continue executing a slicing task executed on the primary server; and continue to execute from the scheduling command in response to the scheduling instruction The slicing task scheduled on the primary server.
  • the logic instructions in the memory 93 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

本发明提供一种流媒体文件切分的方法、装置及系统，涉及电通信技术领域，为解决不能连续传输流媒体文件的问题而发明。在控制中心侧该方法包括：将切片任务调度到主服务器上执行切片任务；若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。在备份服务器侧该方法包括：接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；响应于所述调度指令，继续执行从所述主服务器上调度的所述切片任务。本发明主要用于流媒体文件传输的过程中。

Description

流媒体文件切片的方法、装置及系统
本申请基于申请号为2015109212486、申请日为2015年12月11日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明实施例涉及电通信技术领域，尤其涉及一种流媒体文件切片的方法、装置及系统。
背景技术
流媒体，又叫流式媒体，是边传边播的媒体，是多媒体的一种。流媒体，根据流媒体传输协议完成流媒体的播放。常见的传输协议有RTMP(Real Time Messaging Protocol，实时消息传输协议)协议、RTSP(Real Time Streaming Protocol，实时流传输协议)协议、MMS(Microsoft Media Server Protocol，串流媒体传送协议)协议、HLS(HTTP Live Streaming，基于超文本链接的流媒体直播协议)协议等。通过HLS协议实现的HLS直播，客户端获取到的并不是一个完整的数据流。而是在服务器端根据HLS协议将直播数据流进行切片，获得连续的、很短时长的分片文件。客户端则不断的下载并播放这些分片文件，因为服务器端总是会将最新的直播数据生成新的分片文件，这样客户端只要不停的按顺序播放从服务器获取到的分片文件，就实现了直播。
在云直播系统中，一个流媒体文件通过一个切片服务器切片，在切片任务并发数较高的情况下，切片服务器的压力迅速增加，可能会引起切片服务器系统的崩溃，使得流媒体文件切片中断，从而导致不能连续传输流媒体文件数据。
发明内容
本发明实施例提供一种流媒体文件切分的方法、装置及系统，用以解决 不能连续传输流媒体文件数据的问题。
为了解决上述技术问题，第一方面，本发明提供了一种流媒体文件切分的方法，该方法应用于控制中心侧，该方法包括：
将切片任务调度到主服务器上执行切片任务；
若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
第二方面，本发明还提供了一种流媒体文件切分的方法，该方法应用于备份服务器侧，该方法包括：
接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；
响应于所述调度指令，继续执行从所述主服务器上调度的所述切片任务。
第三方面，本发明还提供了一种流媒体文件切片的装置，该装置位于控制中心侧，该装置包括：
第一调度单元，用于将切片任务调度到主服务器上执行切片任务；
第二调度单元，用于若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
第四方面，本发明还提供了一种流媒体文件切片的装置，该装置位于控制中心侧，该装置包括：
一个或多个处理器；和
存储器；
其中所述存储器中存储有指令，经配置所述指令由所述一个或多个处理器执行，所述一个或多个处理器通过执行所述指令能进行如下操作：
将切片任务调度到主服务器上执行切片任务；
若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
第五方面，本发明还提供了一种流媒体文件切片的装置，该装置位于备份服务器侧，该装置包括：
接收单元，用于接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；
执行单元，用于响应于所述接收单元接收的调度指令，继续执行从所述主服务器上调度的所述切片任务。
第六方面，本发明还提供了一种流媒体文件切片的装置，该装置位于备份服务器侧，该装置包括：
一个或多个处理器；和
存储器；
其中所述存储器中存储有指令，经配置所述指令由所述一个或多个处理器执行，所述一个或多个处理器通过执行所述指令能进行如下操作：
接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；
响应于接收的调度指令，继续执行从所述主服务器上调度的所述切片任务。
第七方面，本发明还提供了一种流媒体文件切片的系统，该系统包括控制中心、主服务器及备份服务器；
控制中心，用于调度切片任务；
主服务器，用于执行控制中心调度的切片任务；
控制中心，还用于若主服务器停止切片，则向备份服务器发送调度指令；
备份服务器，用于响应调度指令，执行切片任务。
本发明提供的流媒体文件切分的方法、装置及系统，通过控制中心调度切片任务，主服务器执行控制中心调度的切片任务，若主服务器停止切片，则控制中心向备份服务器发出调度指令，备份服务器响应调度指令，执行切片任务。与现有技术相比，本发明能够使用备用服务器，在主服务器系统崩溃时，备用服务器可以继续完成切片任务，不中断对流媒体文件切片，能连续的传输流媒体文件。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示出了本发明实施例提供的第一种流媒体文件切片的方法流程图；
图2示出了本发明实施例提供的第二种流媒体文件切片的方法流程图；
图3示出了本发明实施例提供的第三种流媒体文件切片的方法流程图；
图4示出了本发明实施例提供的第一种流媒体文件切片的装置组成框图；
图5示出了本发明实施例提供的第二种流媒体文件切片的装置组成框图；
图6示出了本发明实施例提供的第三种流媒体文件切片的装置组成框图；
图7示出了本发明实施例提供的第四种流媒体文件切片的装置组成框图；
图8示出了本发明实施例提供的一种流媒体文件切片的系统组成框图；
图9示出了本发明实施例提供的一种流媒体文件切片的装置结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例提供了一种流媒体文件切分的方法，该方法应用于控制中心侧。如图1所示，该方法包括：
101、将切片任务调度到主服务器上执行切片任务。
根据HLS协议传输流媒体文件，是将流媒体文件根据切分成分片文件，再一个一个的传输分片文件，从而完成流媒体文件地传输。切片任务，是指在流媒体文件传输的过程中，将流媒体文件切片。切片任务是由专门的切片服务器执行的。
在流媒体文件上传与播放的系统中，包括很多的流媒体文件，以及服务器。当一个流媒体文件需要切片时，需要一个服务器对其进行切片。通过控 制中心，调度整个系统内部的切片任务，即可满足切片需求又不浪费服务器资源。在本实施例中，对控制中心的调度方法不做限定。
控制中心，将切片任务调度到主服务器上，主服务器执行切片任务。在本实施例中，对服务器的切片方式不做限定。
102、若主服务器停止切片，则将主服务器执行的切片任务调度到备份服务器上继续执行。
随着流媒体的应用越来越广泛，使用流媒体的用户也越来越多，需要传输的流媒体文件也越来越多。在切片任务并发数较高时，服务器可能会出现系统崩溃的现象，服务器停止切片，流媒体文件的传输也会中断。
为了保证流媒体文件的传输，若主服务器停止切片，则将主服务器执行的切片任务调度到备份服务器上继续执行。备份服务器与主服务器的一样，都可以执行切片任务。当主服务停止切片时，启用备份服务器执行切片任务，以保证切片任务的继续执行。只有不中断对流媒体文件的切片，才能连续的传输流媒体文件。
本发明实施例提供的流媒体文件切分的方法，通过控制中心调度切片任务，主服务器执行控制中心调度的切片任务，若主服务器停止切片，则控制中心向备份服务器发出调度指令，备份服务器响应调度指令，执行切片任务。与现有技术相比，本发明实施例能够使用备用服务器，在主服务器系统崩溃时，备用服务器可以继续完成切片任务，不中断对流媒体文件切片，能连续的传输流媒体文件。
进一步地，本发明实施例还提供了一种流媒体文件切分的方法，应用于备份服务器侧。如图2所示，该方法包括：
201、接收控制中心发送的调度指令。
调度指令，用于指示备份服务器继续执行主服务器上执行的切片任务。调度指令是控制中心发送给备份服务器的，用于调度切片任务。
202、响应于调度指令，继续执行从主服务器上调度的切片任务。
备份服务器响应于调度指令，继续执行从主服务器上调度的切片任务。从主服务器上调度的切片任务是指主服务器上已经停止切片的切片任务。继续执行切片任务中的“继续”是指需要切分的流媒体文件在主服务器切分的最后一个分片文件，与备份服务器切分的第一个分片文件之间没有间隔，分 片文件是连续不间断的，没有缺失的数据。
本发明实施例提供的流媒体文件切分的方法，通过控制中心调度切片任务，主服务器执行控制中心调度的切片任务，若主服务器停止切片，则控制中心向备份服务器发出调度指令，备份服务器响应调度指令，执行切片任务。与现有技术相比，本发明实施例能够使用备用服务器，在主服务器系统崩溃时，备用服务器可以继续完成切片任务，不中断对流媒体文件切片，能连续的传输流媒体文件。
进一步地，作为图1或图2所示方法的细化和扩展，本发明实施例还提供了一种流媒体文件切分的方法，该方法涉及控制中心、主服务器及备份服务器。如图3所示，该方法包括：
301、控制中心对切片服务器进行分组。
将流媒体系统中的切片服务器进行分组，同一个小组的切片服务器之间存在数据交互，所以在对切片服务器进行分组时，以方便数据交互为前提。在每个分组中至少有两个切片服务器，以保障不中断对流媒体文件的切片。在本实施例中，对每个分组中切片服务器的上限数量不做限定。
302、控制中心在每个分组中确定一台切片服务器作为主服务器，将分组中的其他切片服务器确定为备份服务器。
在分组中确定一台切片服务器为主服务器，主服务器是分组中的任意一台切片服务器。
303、控制中心将切片任务调度到主服务器上执行切片任务。
当控制中心接收到切片任务时，将切片任务调度到主服务器上，指示主服务器执行切片任务。
304、主服务器执行切片任务。
主服务器将流媒体文件切片，在主服务器执行切片任务时，将主服务器产生的切片结果备份到备份服务器中，以使得当将切片任务调度到备份服务器上执行时，备份服务器根据切片结果继续执行切片。切片结果中携带有分片的序号信息及分片时长信息，用于备份服务器根据序号信息及分片时长信息继续进行切片。
305、控制中心检测主服务器是否停止切片。
检测主服务器是否停止切片的方式，包括：接收主服务器上报的异常通 知，异常通知用于表示主服务器停止切片；或者，向主服务器周期性发送报活测试请求，若未接收到主服务器返回的报活响应，则确定主服务器停止切片。这两种检测方式都可以检测主服务器是否停止切片。
对于接收主服务器上报的异常通知，在本实施例中，对是否上报正常通知不做限定。对于向服务器周期性的发送报活测试请求，在本实施例中对发送报活测试请求的周期不做限定。
306、若检测结果为是，则将主服务器执行的切片任务调度到备份服务器。
307、备份服务器接收控制中心发送的调度指令。
调度指令用于指示备份服务器继续执行主服务器上执行的切片任务。
308、备份服务器响应于调度指令，继续执行从主服务器上调度的切片任务。
根据切片结果继续执行切片任务。切片结果中携带有分片的序号信息及分片时长信息；根据序号信息及分片时长信息继续进行切片。
切片结果是指主服务器切片时，备份到备份服务器的切片结果。不同的流媒体文件对应不同的切片任务，不同的切片任务有不同切片结果。在本实施例中，是指同一个流媒体文件的切片任务，同一个切片任务的切片结果。
进一步地，作为图1及图3所示方法的实现，本发明实施例还提供了一种流媒体文件切分的装置，该装置位于控制中心侧，或者独立于控制中心但是与控制中心建立有数据交互的关系。如图4所示，该装置包括：第一调度单元41及第二调度单元42。其中，
第一调度单元41，用于将切片任务调度到主服务器上执行切片任务；
第二调度单元42，用于若主服务器停止切片，则将主服务器执行的切片任务调度到备份服务器上继续执行。
进一步地，如图5所示，该装置进一步包括：
分组单元43，用于在第一调度单元41将切片任务调度到主服务器上执行切片任务之前，对切片服务器进行分组，每个分组包括至少两个切片服务器；
确定单元44，用于在分组单元43的每个分组中确定一台切片服务器作为主服务器，将分组中的其他切片服务器确定为备份服务器。
进一步地，如图5所示，第二调度单元42，包括：
检测模块421，用于检测主服务器是否停止切片；
调度模块422，用于若检测模块421的检测结果为是，则将主服务器执行的切片任务调度到备份服务器上继续执行。
进一步地，如图5所示，检测模块421，包括：
接收子模块4211，用于接收主服务器上报的异常通知，异常通知用于表示主服务器停止切片；
确定子模块4212，用于向主服务器周期性发送报活测试请求，若未接收到主服务器返回的报活响应，则确定主服务器停止切片。
进一步地，如图5所示，该装置还包括：
备份单元45，用于在主服务器执行切片任务时，将主服务器产生的切片结果备份到备份服务器中，以使得当将切片任务调度到备份服务器上执行时，备份服务器根据切片结果继续执行切片。
进一步地，备份单元45备份的切片结果中携带有分片的序号信息及分片时长信息，用于备份服务器根据序号信息及分片时长信息继续进行切片。
本发明实施例提供的流媒体文件切分的装置，通过控制中心调度切片任务，主服务器执行控制中心调度的切片任务，若主服务器停止切片，则控制中心向备份服务器发出调度指令，备份服务器响应调度指令，执行切片任务。与现有技术相比，本发明实施例能够使用备用服务器，在主服务器系统崩溃时，备用服务器可以继续完成切片任务，不中断对流媒体文件切片，能连续的传输流媒体文件。
进一步地，作为图2及图3所示方法的实现，本发明实施例还提供了一种流媒体文件切分的装置，应用于备用服务器侧，或者独立于服务器但是与服务器建立有数据交互关系。如图6所示，该装置包括：接收单元61及执行单元62。其中，
接收单元61，用于接收控制中心发送的调度指令，调度指令用于指示备份服务器继续执行主服务器上执行的切片任务；
执行单元62，用于响应于接收单元61接收的调度指令，继续执行从主服务器上调度的切片任务。
进一步地，如图7所示，该装置进一步包括：
备份单元63，用于在接收单元62接收控制中心发送的调度指令之前，在主服务器执行切片任务时，对主服务器产生的切片结果进行备份；
执行单元62，用于根据备份单元备份切片结果继续执行切片任务。
进一步地，如图7所示，备份单元63备份的切片结果中携带有分片的序号信息及分片时长信息；
执行单元62，用于根据序号信息及分片时长信息继续进行切片。
本发明实施例提供的流媒体文件切分的装置，通过控制中心调度切片任务，主服务器执行控制中心调度的切片任务，若主服务器停止切片，则控制中心向备份服务器发出调度指令，备份服务器响应调度指令，执行切片任务。与现有技术相比，本发明实施例能够使用备用服务器，在主服务器系统崩溃时，备用服务器可以继续完成切片任务，不中断对流媒体文件切片，能连续的传输流媒体文件。
进一步地，作为图1至图3所示方法的实现，本发明实施例还提供了一种流媒体文件切分的系统，如图8所示，该系统包括：控制中心81、主服务器82及备份服务器83，其中：
控制中心81，用于调度切片任务；
主服务器82，用于执行控制中心81调度的切片任务；
控制中心81，还用于若主服务器82停止切片，则向备份服务器83发送调度指令；
备份服务器83，用于响应调度指令，执行切片任务。
本发明实施例提供的流媒体文件切分的系统，通过控制中心调度切片任务，主服务器执行控制中心调度的切片任务，若主服务器停止切片，则控制中心向备份服务器发出调度指令，备份服务器响应调度指令，执行切片任务。与现有技术相比，本发明实施例能够使用备用服务器，在主服务器系统崩溃时，备用服务器可以继续完成切片任务，不中断对流媒体文件切片，能连续的传输流媒体文件。
需要说明的是，针对上述流媒体文件切分的装置，凡是本发明实施例中使用到的各个单元模块的功能都可以通过硬件处理器(hardware processor)来实现。
示例性的，如图9所示，图9示出了本发明实施例提供的一种流媒体文件切分的装置结构示意图，该流媒体文件切分的装置可以包括：处理器(processor)91、通信接口(Communications Interface)92、存储器(memory)93和 总线94，其中，处理器91、通信接口92、存储器93通过总线94完成相互间的通信。通信接口92可以用于服务器与客户端之间的信息传输。处理器91可以调用存储器93中的逻辑指令，在控制中心侧以执行如下方法：将切片任务调度到主服务器上执行切片任务；若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。在备份服务器侧以执行如下方法：接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；响应于所述调度指令，继续执行从所述主服务器上调度的所述切片任务。
此外，上述的存储器93中的逻辑指令可以通过软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下，即可以理解并实施。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到各实施方式可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件。基于这样的理解，上述技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在计算机可读存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (21)

  1. 一种流媒体文件切片的方法，所述方法应用于控制中心侧，其特征在于，所述方法包括：
    将切片任务调度到主服务器上执行切片任务；
    若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
  2. 根据权利要求1所述的方法，其特征在于，在所述将切片任务调度到主服务器上执行切片任务之前，所述方法进一步包括：
    对切片服务器进行分组，每个分组包括至少两个切片服务器；
    在每个分组中确定一台切片服务器作为主服务器，将分组中的其他切片服务器确定为备份服务器。
  3. 根据权利要求1所述的方法，其特征在于，所述将所述主服务器执行的切片任务调度到备份服务器上继续执行，包括：
    检测所述主服务器是否停止切片；
    若检测结果为是，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
  4. 根据权利要求3所述的方法，其特征在于，所述检测所述主服务器是否停止切片，包括：
    接收所述主服务器上报的异常通知，所述异常通知用于表示所述主服务器停止切片；或者，
    向所述主服务器周期性发送报活测试请求，若未接收到所述主服务器返回的报活响应，则确定所述主服务器停止切片。
  5. 根据权利要求1所述的方法，其特征在于，在所述主服务器执行切片任务时，将所述主服务器产生的切片结果备份到所述备份服务器中，以使得当将所述切片任务调度到所述备份服务器上执行时，所述备份服务器根据所述切片结果继续执行切片。
  6. 根据权利要求5所述的方法，其特征在于，所述切片结果中携带有分片的序号信息及分片时长信息，用于所述备份服务器根据所述序号信息及所述分片时长信息继续进行切片。
  7. 一种流媒体文件切片的方法，所述方法应用于备份服务器侧，其特征 在于，所述方法包括：
    接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；
    响应于所述调度指令，继续执行从所述主服务器上调度的所述切片任务。
  8. 根据权利要求7所述的方法，其特征在于，在所述接收控制中心发送的调度指令之前，所述方法进一步包括：
    在所述主服务器执行切片任务时，对所述主服务器产生的切片结果进行备份；
    所述继续执行从所述主服务器上调度的所述切片任务，包括：
    根据所述切片结果继续执行所述切片任务。
  9. 根据权利要求8所述的方法，其特征在于，所述切片结果中携带有分片的序号信息及分片时长信息；
    所述根据所述切片结果继续执行所述切片任务，包括：
    根据所述序号信息及所述分片时长信息继续进行切片。
  10. 一种流媒体文件切片的装置，所述装置位于控制中心侧，其特征在于，所述装置包括：
    第一调度单元，用于将切片任务调度到主服务器上执行切片任务；
    第二调度单元，用于若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
  11. 根据权利要求10所述的装置，其特征在于，所述装置进一步包括：
    分组单元，用于在第一调度单元将切片任务调度到主服务器上执行切片任务之前，对切片服务器进行分组，每个分组包括至少两个切片服务器；
    确定单元，用于在所述分组单元的每个分组中确定一台切片服务器作为主服务器，将分组中的其他切片服务器确定为备份服务器。
  12. 根据权利要求10所述的装置，其特征在于，所述第二调度单元，包括：
    检测模块，用于检测所述主服务器是否停止切片；
    调度模块，用于若所述检测模块的检测结果为是，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
  13. 根据权利要求12所述的装置，其特征在于，所述检测模块，包括：
    接收子模块，用于接收所述主服务器上报的异常通知，所述异常通知用于表示所述主服务器停止切片；
    确定子模块，用于向所述主服务器周期性发送报活测试请求，若未接收到所述主服务器返回的报活响应，则确定所述主服务器停止切片。
  14. 根据权利要求10所述的装置，其特征在于，所述装置还包括：
    备份单元，用于在所述主服务器执行切片任务时，将所述主服务器产生的切片结果备份到所述备份服务器中，以使得当将所述切片任务调度到所述备份服务器上执行时，所述备份服务器根据所述切片结果继续执行切片。
  15. 根据权利要求14所述的装置，其特征在于，所述备份单元备份的所述切片结果中携带有分片的序号信息及分片时长信息，用于所述备份服务器根据所述序号信息及所述分片时长信息继续进行切片。
  16. 一种流媒体文件切片的装置，所述装置位于控制中心侧，其特征在于，所述装置包括：
    一个或多个处理器；和
    存储器；
    其中所述存储器中存储有指令，经配置所述指令由所述一个或多个处理器执行，所述一个或多个处理器通过执行所述指令能进行如下操作：
    将切片任务调度到主服务器上执行切片任务；
    若所述主服务器停止切片，则将所述主服务器执行的切片任务调度到备份服务器上继续执行。
  17. 一种流媒体文件切片的装置，所述装置位于备份服务器侧，其特征在于，所述装置包括：
    接收单元，用于接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；
    执行单元，用于响应于所述接收单元接收的调度指令，继续执行从所述主服务器上调度的所述切片任务。
  18. 根据权利要求17所述的装置，其特征在于，所述装置进一步包括：
    备份单元，用于在所述接收单元接收控制中心发送的调度指令之前，在所述主服务器执行切片任务时，对所述主服务器产生的切片结果进行备份；
    所述执行单元，用于根据所述备份单元备份的切片结果继续执行所述切 片任务。
  19. 根据权利要求18所述的装置，其特征在于，所述备份单元备份的所述切片结果中携带有分片的序号信息及分片时长信息；
    所述执行单元，用于根据所述序号信息及所述分片时长信息继续进行切片。
  20. 一种流媒体文件切片的装置，所述装置位于备份服务器侧，其特征在于，所述装置包括：
    一个或多个处理器；和
    存储器；
    其中所述存储器中存储有指令，经配置所述指令由所述一个或多个处理器执行，所述一个或多个处理器通过执行所述指令能进行如下操作：
    接收控制中心发送的调度指令，所述调度指令用于指示所述备份服务器继续执行主服务器上执行的切片任务；
    响应于接收的调度指令，继续执行从所述主服务器上调度的所述切片任务。
  21. 一种流媒体文件切片的系统，其特征在于，所述系统包括：控制中心、主服务器及备份服务器；
    所述控制中心，用于调度切片任务；
    所述主服务器，用于执行所述控制中心调度的切片任务；
    所述控制中心，还用于若所述主服务器停止切片，则向所述备份服务器发送调度指令；
    所述备份服务器，用于响应所述调度指令，执行所述切片任务。
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