WO2016165596A1

WO2016165596A1 - Multimedia file control method and system

Info

Publication number: WO2016165596A1
Application number: PCT/CN2016/078977
Authority: WO
Inventors: 刘云云; 熊勤
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-04-15
Filing date: 2016-04-11
Publication date: 2016-10-20
Also published as: CN106161382A

Abstract

Provided are a multimedia file control method and system, which are applied to the field of communications. A management server divides a multimedia file into a plurality of file segments, and sends the file segments to a corresponding multimedia server; the multimedia server receives the file segments currently sent by the management server, and sends previously received file segments to the next corresponding level of multimedia server at the same time. Compared with the prior art, dividing a multimedia file into a plurality of file segments rather than sending the whole multimedia file can reduce the consumption of broadband resources and increase the content receiving speed of a multimedia server, receiving the previous level of file segments and sending file segments to the next level of multimedia server at the same time can make multimedia files rapidly arrive at every multimedia server, multimedia files can be rapidly distributed without changing an existing network structure, consequently, the effectiveness and serviceability of the network can be effectively increased, and the experience of users can be improved.

Description

Multimedia file control method and system

Technical field

The present application relates to the field of communications, for example, to a multimedia file control method and system.

Background technique

The improvement of network bandwidth and the development of network technology make it possible to carry out multimedia value-added services on existing networks. With the development of wireless communication technologies, such as mobile TV, mobile phone download and other media value-added services based on wireless communication technologies Has gradually become a trend. Streaming media technology provides a way to transmit multimedia files such as video, audio, and pictures in a network, and thus has been widely used in multimedia services.

In a multimedia service system, a plurality of media servers (nodes) are generally used to form a content distribution network (CDN) to provide services for end users, and multiple nodes are hierarchically distributed, and each user is designated to provide a service node; To enable the user to view content on the home node, the multimedia file needs to be pushed to the node.

Currently, multimedia service systems usually distribute content to a node first, and then distribute the entire multimedia file step by step according to the structure of the content distribution network. Although the traditional method can realize the content of the content on each node, the method is not effective, and as the number of end users grows geometrically, the number of service nodes in the network grows rapidly, the traditional multimedia file distribution The effectiveness of the model becomes more and more prominent, and even affects the real-time and serviceability of the entire multimedia system. At the same time, there is also a system combining a CDN system and a point-to-point P2P system. Although the system can provide efficient content distribution efficiency, the method has the defects of uncontrollable multimedia file distribution and consumption of a large amount of bandwidth.

Summary of the invention

The embodiment of the invention provides a multimedia file control method and system, which solves the problem that the multimedia file in the existing multimedia file distribution system has low real-time performance, poor controllability and consumes a large amount of broadband resources.

The embodiment of the invention provides a multimedia file control method, including:

The management server divides the multimedia file into several file fragments;

The management server sends the file fragment to the corresponding multimedia server;

The multimedia server receives the file fragment currently sent by the management server, and sends the previously received file fragment to the corresponding multimedia server of the next level.

In an embodiment of the present invention, the managing server divides the multimedia file into a plurality of file fragments, and the management server divides the multimedia file into a plurality of file fragments according to a preset size.

In an embodiment of the present invention, when the multimedia server receives the file fragment currently sent by the management server, the method further includes: the multimedia server provides a playback service for the terminal according to the file fragment that has been received before. .

In an embodiment of the present invention, the previously received file fragment includes: a file fragment received last time.

In an embodiment of the present invention, the management server divides the multimedia file into a plurality of file fragments, including: the management server divides the multimedia file into a plurality of file fragments, and establishes an index number for each file fragment; the management server And sending the file fragmentation to the multimedia server corresponding to the next level, where the management server sends the file fragment and the corresponding index number to the corresponding multimedia server of the next level;

or

The management server divides the multimedia file into a plurality of file fragments, and determines a sequence of the fragmentation of each file; the management server sends the file fragment to the corresponding multimedia server of the next level, and the management server divides the file according to the file. The sequence is sequentially sent to the corresponding multimedia server of the next level.

The embodiment of the invention further provides a multimedia file control system, including a management server and a multimedia server:

The management server is configured to divide the multimedia file into a plurality of file fragments, and send the file fragments to the corresponding multimedia server;

The multimedia server is configured to receive the file fragment currently sent by the management server, and simultaneously deliver the previously received file fragment to the corresponding multimedia server of the next level.

In an embodiment of the invention, the management server is further configured to divide the multimedia file into a plurality of file fragments according to the size of the bandwidth.

In an embodiment of the present invention, the management server is further configured to divide the multimedia file into a plurality of file fragments, establish an index number for each file fragment, and send the file fragment and the corresponding index number to the next. a corresponding multimedia server;

or

It is further configured to divide the multimedia file into a plurality of file fragments, determine the timing of each file fragmentation, and sequentially deliver the corresponding file fragment to the corresponding multimedia server according to the sequence of the file fragmentation.

The beneficial effects of the embodiments of the present invention are:

A multimedia file control method and system provided by an embodiment of the present invention. The management server divides the multimedia file into a plurality of file fragments; the management server sends the file fragments to the corresponding multimedia server; the multimedia server receives the file fragments currently sent by the management server, and simultaneously delivers the previously received file fragments. Give the corresponding multimedia server to the next level. Compared with related technologies, the multimedia file is divided into several file fragments instead of the entire complete multimedia file, which can reduce the consumption of broadband resources and improve the speed of receiving content by the multimedia server. At the same time, the file fragment can be sent to the next-level multimedia server. Because it is a file fragmentation, rather than the entire complete streaming media file, the controllability of the resource delivery process is better, and the multimedia can be quickly enabled. The files are sent to the multimedia servers, and the distribution of multimedia files can be realized in a controlled and fast manner without changing the existing networking structure, thereby effectively improving the effectiveness and service of the network and improving the user experience.

BRIEF abstract

1 is a schematic flowchart of a multimedia file control method according to Embodiment 1 of the present invention;

2 is a schematic flowchart of a multimedia file control method according to Embodiment 2 of the present invention;

FIG. 3 is a schematic structural diagram of a multimedia file control system according to Embodiment 3 of the present invention.

Embodiments of the invention

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Embodiment 1

The multimedia file control method of this embodiment, as shown in FIG. 1, includes the following steps:

Step S101: The management server divides the multimedia file into a plurality of file fragments;

In this step, the multimedia file here refers to files such as video, audio, and pictures. The multimedia files here may be some relatively new multimedia files, that is, multimedia files required for each streaming server. The management server can be a multimedia file stored by itself or a multimedia file obtained from other places. Here, several file fragments refer to file fragments of two or more. The file fragmentation here refers to a small part of a file in which a complete multimedia file is divided into small parts. The management server herein can be understood as long as the multimedia file can be divided into several file fragments, and a certain module in the management server can have the function, and the corresponding device or module structure does not constitute a limitation. For example, the content management module in the management server. Of course, it is also possible to use a separate server or a separate module.

Step S102: The management server sends the file fragment to the corresponding multimedia server of the next level;

In this step, the next-level multimedia server refers to a multimedia server that manages nodes under the server. For example, the multimedia system can be divided into a first-level node and a second-level node, and each node has one or more multimedia servers, and the management server The next level refers to the multimedia server in the first level node, and the next level of the first level node refers to the multimedia server in the second level node. Of course, multi-level nodes can be set according to the situation. The corresponding multimedia server refers to a server that needs the multimedia file, for example, the multimedia file is the latest movie video, and there may be some multimedia servers that do not need the video file, such as a multimedia server dedicated to processing news.

Step S103: The multimedia server receives the file fragment currently delivered by the management server, and sends the previously received file fragment to the corresponding multimedia server of the next level.

In this step, the multimedia server is a server that can receive and distribute the file fragments, and can send the previous file fragments to the corresponding multimedia server of the next level. It may be that a certain module in the multimedia server has the function, and the corresponding device or module structure does not constitute a limitation. For example, the control module and the service module in the multimedia server, wherein the control module is responsible for receiving file fragments, and the service module is responsible for distributing to the next-level multimedia server. Of course, the multimedia server or these functional modules can also implement other functions, for example, the control module can The device controls the receiving and storing of the client file fragment, manages and maintains the index of the content fragment of the node, and starts the function of the server module according to the receiving condition of the client file fragment, so as to provide services for other nodes. The server module is responsible for managing file fragmentation information and providing service functions for other nodes. The multimedia service may also have other functional modules, such as a client module, which is responsible for storing and managing the received file fragments and writing the fragments to the storage device. Of course, the multimedia server can also be a standalone server or a separate module.

In the above step S101, that is, the management server divides the multimedia file into a plurality of file fragments, the management server may divide the multimedia file into a plurality of file fragments according to a preset size. The preset size can be based on the size of the bandwidth to facilitate a reasonable combination of network features, so that the file is better for fast transmission. You can also set the file size of each multimedia file into a fixed number, for example, set to 100 file fragments, or set to a fixed size file fragment, for example, set each file size to 1M, of course, the file The fragmentation rule is not limited to this, and can be set according to the situation, as long as the multimedia file can be quickly delivered to the streaming server, and the bandwidth consumption can be reduced.

In the above step S103, after the multimedia server receives the file fragment currently delivered by the management server, the file fragment is stored, and after the file fragment is stored, the multimedia server may further include: the multimedia server provides the terminal with the playback of all the stored file fragments. service. It can be understood that, when the multimedia server receives the file fragment currently sent by the management server, the method further includes: the multimedia server provides the playback service for the terminal according to the file fragment that has been received before, that is, during the file fragmentation process. Providing a playback service for the user, which enables the user to watch the video in time and provide a user experience.

In order to facilitate the user to quickly obtain the multimedia file, in the foregoing step S101, the fragmentation of the previously received file to the multimedia server corresponding to the next level may include: sending the previously received file fragment to the next level. Corresponding multimedia server. In this way, each streaming server can basically obtain the completed streaming media file at substantially the same time.

In order to facilitate the multimedia server to quickly segment the acquired files into a complete streaming media file, In the above step S101 and in step S102, the management server divides the multimedia file into a plurality of file fragments, including: the management server divides the multimedia file into a plurality of file fragments, and establishes an index number for each file fragment; the management server divides the file into pieces. The multimedia server that is delivered to the next level includes: the management server sends the file fragment and the corresponding index number to the multimedia server corresponding to the next level; or the management server divides the multimedia file into several file fragments, including: the management server The multimedia file is divided into a plurality of file fragments, and the timing of each file fragmentation is determined; the management server sends the file fragment to the corresponding multimedia server of the next level. The management server divides the corresponding file according to the sequence of the file fragmentation. The chip is sent to the corresponding multimedia server of the next level. That is, the streaming media server can form a complete streaming media according to the index number, or according to the received timing, since it is sequentially sent according to the timing, then the receiving is also time-ordered and will not be disordered, and it is easy to form a complete streaming media file.

Embodiment 2

The content management module in this example may be a module in the management server, and the control module, the client module, and the server module are modules in the multimedia server, and the corresponding method steps are as shown in FIG. 2, including the following steps:

Step S201: The node control module sends a description command RTSP DESCRIBE message to the RTSP processing module of the management server CMS.

Step S202: The management server CMS returns a response message RTSP 200 response to the node control module;

Step S203: The node control module sends a transmission command RTSP SETUP message to the management server CMS.

Step S204: The management server sends a response message RTSP 200 response to the node control module.

Step S205: The node control module sends a play command RTSP PLAY message to the management server.

Step S206: The management server sends a response message RTSP 200 response to the node control module.

Step S207: The management module divides the content into a plurality of file fragments according to the size of the streaming media file, and sends the file fragment to the node client module by using an FTP method;

Step S208: The node client controls the receiving content management module to send the file fragment, and stores the file fragmentation;

Step S209: The node control module receives the content delivery message sent by the management server, and delivers the file fragmentation to the control module of the other node, and sends the file fragmentation to the client module of the subordinate node by using the FTP protocol by the server module. .

In this implementation, the protocol for performing media signaling interaction between the node control module and the content management module CMS may be RTSP, and the transmission of the fragment file may be performed by using an FTP mode. In the embodiment, different media interaction protocols and file transmission modes may be adopted. . In this embodiment, the content is divided into several mpg file fragments according to the content size. In actual applications, the file fragmentation may be split by other methods, and other encoding formats, such as mp4, MPEG-4, etc., may be used.

Embodiment 3

The embodiment provides a multimedia file control system. As shown in FIG. 3, the management server 300 and the multimedia server 400 are configured to divide the multimedia file into a plurality of file fragments, and send the file fragments to the next. The multimedia server 400 is configured to receive the file fragments currently sent by the management server 300, and the previously received file fragments are sent to the multimedia server 400 corresponding to the next level.

The management server 300 can also be configured to divide the multimedia file into a number of file fragments according to the size of the bandwidth.

The multimedia server 400 can also be configured to store the file fragments after receiving the file fragments currently sent by the management server 300, and provide the terminal with the playback service of all the stored file fragments after the file fragment is stored.

The multimedia server 400 can also be configured to deliver the last received file fragment to the corresponding multimedia server 400 of the next level.

The management server 300 may be further configured to divide the multimedia file into a plurality of file fragments, set an index number for each file fragment, and send the file fragment and the corresponding index number to the multimedia server 400 corresponding to the next level; or The server 300 is further configured to divide the multimedia file into a plurality of file fragments, determine the timing of each file fragmentation, and sequentially deliver the corresponding file fragment to the corresponding multimedia server 400 according to the sequence of the file fragmentation.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program that instructs the associated hardware, such as a read-only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware or in the form of a software function module. Embodiments of the invention are not limited to any specific form of combination of hardware and software.

The above embodiments are only intended to illustrate the technical solutions of the present invention and are not to be construed as limiting the invention. A person skilled in the art should understand that the technical solutions of the embodiments of the present invention may be modified or equivalent, and the technical solutions of the embodiments of the present invention should be included in the scope of the claims of the present invention.

Industrial applicability

The present application provides a multimedia file control method and system for use in the field of communications. The management server divides the multimedia file into a plurality of file fragments, and sends the file fragments to the corresponding multimedia server. The multimedia server receives the file fragments currently sent by the management server, and sends the previously received file fragments to the next. The first level corresponds to the multimedia server. Compared with related technologies, the multimedia file is divided into several file fragments instead of the entire complete multimedia file, which can reduce the consumption of broadband resources and improve the speed of receiving content by the multimedia server. At the same time, the file fragment is sent to the next-level multimedia server, which can quickly make multimedia files to the multimedia servers, and can quickly realize the distribution of multimedia files without changing the existing networking structure, thereby effectively improving the network. The effectiveness and serviceability of the user experience.

Claims

A multimedia file control method includes:

The management server divides the multimedia file into several file fragments;

The management server sends the file fragment to the corresponding multimedia server;

The multimedia server receives the file fragment currently sent by the management server, and sends the previously received file fragment to the corresponding multimedia server of the next level.
The method of claim 1, wherein the managing server divides the multimedia file into a plurality of file fragments comprises: the management server dividing the multimedia file into a plurality of file fragments according to a preset size.
The method of claim 1, wherein when the multimedia server receives the file fragment currently sent by the management server, the method further comprises: the multimedia server providing playback to the terminal according to the file fragment that has been previously received. service.
The method of any of claims 1-3, wherein the previously received file fragmentation comprises: a file fragment received last time.
A method according to any one of claims 1 to 3, wherein

The management server divides the multimedia file into a plurality of file fragments, including: the management server divides the multimedia file into a plurality of file fragments, and establishes an index number for each file fragment; the management server sends the file fragment to the next level. The corresponding multimedia server includes: the management server sends the file fragment and the corresponding index number to the multimedia server corresponding to the next level;

or

The management server divides the multimedia file into a plurality of file fragments, and determines a sequence of the fragmentation of each file; the management server sends the file fragment to the corresponding multimedia server of the next level, and the management server divides the file according to the file. The sequence of the files is sent to the next level correspondingly. Media server.
A multimedia file control system including a management server and a multimedia server:

The management server is configured to divide the multimedia file into a plurality of file fragments, and send the file fragments to the corresponding multimedia server;

The multimedia server is configured to receive the file fragment currently sent by the management server, and simultaneously deliver the previously received file fragment to the corresponding multimedia server of the next level.
The system of claim 6 wherein said management server is further configured to divide said multimedia file into a plurality of file fragments based on a size of the bandwidth.
The system of claim 6, wherein upon receiving the file fragment currently sent by the management server, the multimedia server is further configured to provide a playback service for the terminal according to the file fragment that has been previously received.
The system of any of claims 6-8, wherein the previously received file fragmentation comprises: a file fragment received last time.
A system according to any of claims 6-8, wherein

The management server is further configured to divide the multimedia file into a plurality of file fragments, and set an index number for each file fragment, and send the file fragment and the corresponding index number to the corresponding multimedia server of the next level;

or

The multimedia file is divided into a plurality of file fragments, and the timing of each file fragmentation is determined, and the corresponding file fragment is sequentially sent to the corresponding multimedia server according to the timing of the file fragmentation.