WO2012083620A1

WO2012083620A1 - Method, means and system for downloading streaming media files

Info

Publication number: WO2012083620A1
Application number: PCT/CN2011/072521
Authority: WO
Inventors: 刘建敏
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-12-21
Filing date: 2011-04-08
Publication date: 2012-06-28
Also published as: CN102025784A

Abstract

A method, means and system for downloading streaming media file are provided. The invention serves to download streaming media files more conveniently, avoids that users download the streaming media files from a streaming media on demand server directly, and enhances security of the streaming media on demand server. The method for downloading streaming media files includes that: a downloading terminal determines source information of a streaming media file, and sends a downloading request including the source information of the streaming media file to a subscribing management server; the downloading terminal acquires a downloading address of the streaming media file which is generated by the subscribing management server based on the source information, and acquires the streaming media file from the subscribing management server according to the downloading address of the streaming media file.

Description

Method, device and system for downloading streaming media file

The present invention relates to the field of communications technologies, and in particular, to a method, device, and system for downloading streaming media files. BACKGROUND The streaming media service belongs to one of the value-added services of the third generation mobile communication technology (3G, 3rd-Generation), and the technology is widely applied to mobile video and online on-demand/live broadcasting services, and these services are registered by using a preset installation client. The server directly accesses the streaming media on-demand server, and then plays the streaming media file through the preset streaming media player.

In the process of business deployment, although some streaming media source providers provide streaming links, they also provide download links. There are also source descriptions on the web pages. However, there are three problems: The introduction of the contents of the streaming media file is generally too simple, so that the user cannot know the specific content of the streaming media file before the download is completed. If the downloaded streaming media file is not what you like, then the traffic fee is wasted;

Second, if the streaming media file is completed on demand, after the browser is closed, the user wants to download the streaming media file again, the browser must be opened again to find and access the corresponding webpage, thus wasting time and traffic charges, and if the last time is not saved, Web page, you may not find the page when you search again;

Third, directly provide download links on the download page of the streaming media file, and also generate security problems for the streaming media on-demand server. The user can download other file information that should not be obtained by the user by downloading the link directory structure, so the security is poor. Summary of the invention

The embodiment of the invention provides a method, a device and a system for downloading a streaming media file, which are used to facilitate the downloading of the streaming media file, and prevent the user from directly downloading the streaming media file from the streaming media on-demand server, thereby improving the streaming media on-demand server. safety.

A method for downloading a streaming media file provided by an embodiment of the present invention includes:

The downloading terminal determines the source information of the streaming media file, and sends a download request to the subscription management server, where the download request carries the source information of the streaming media file;

The download terminal acquires a download address of the streaming media file generated by the subscription management server according to the piece source information, and obtains a streaming media file from the subscription management server according to the download address of the streaming media file.

The download terminal determines the source information of the streaming media file, including:

The downloading terminal acquires the source information of the currently-on-demand streaming media file, including the identifier of the streaming media file, and the file of the streaming media file saved on the streaming media on-demand server, in the process of the streaming media on-demand. Directory information.

The downloading terminal acquires a download address of the streaming media file generated by the subscription management server according to the piece source information, and includes:

The subscription management server directly transmits the downloaded address of the generated streaming media file to the download terminal.

The subscription management server sends a download address of the generated streaming media file to the push server;

The push server forwards the download address to the download terminal.

A device for downloading a streaming media file according to an embodiment of the present invention includes:

a sending request unit, configured to determine source information of the streaming media file, and to the subscription management service And sending a download request, where the download request carries the source information of the streaming media file; and the obtaining the address unit, configured to acquire a download address of the streaming media file generated by the subscription management server according to the piece source information;

a download unit, configured to obtain a streaming media file from a subscription management server according to a download address of the streaming media file.

The sending request unit acquires, in the process of streaming the media, the source information of the current streaming media file, including the identifier of the streaming media file, and the stream saved on the streaming media on-demand server, from the streaming media on-demand server. File directory information for media files.

The download address of the streaming media file obtained by the obtaining address unit is directly sent to the device by the subscription management server.

The acquiring address unit receives a push message sent by the push server, where the download address of the streaming media file is carried;

The download address of the streaming media file carried in the push message is sent by the subscription management server to the push server.

A system for downloading a streaming media file according to an embodiment of the present invention includes:

The terminal is configured to: obtain, in the process of streaming the media on-demand, the source information of the currently-on-demand streaming media file from the streaming media on-demand server, and send a download request to the subscription management server, where the download request carries the source of the streaming media file Obtaining a download address of the streaming media file generated by the subscription management server according to the piece source information, and acquiring a streaming media file from the subscription management server according to the download address of the streaming media file;

a subscription management server, configured to receive a download request sent by the terminal, obtain a piece source information of the streaming media file, obtain a streaming media file from the streaming media on-demand server according to the piece source information, and generate a download address of the streaming media file, and then The download address is sent to the terminal; and, the streaming file is provided to the terminal;

a streaming media on-demand server, configured to provide the source information of the streaming media file to the terminal, and The streaming media file is sent to the subscription management server.

The system also includes:

The push server is configured to forward the download address sent by the subscription management server to the terminal by using a push message.

In the embodiment of the present invention, the download terminal determines the source information of the streaming media file, and sends a download request to the subscription management server, where the source information of the streaming media file is carried; and the download terminal acquires the streaming media generated by the subscription management server according to the source information. The download address of the file, according to the download address of the streaming media file, obtains the streaming media file from the subscription management server, so that the terminal downloads the streaming media file at any time according to the obtained download address, so that the download of the streaming media file is more convenient, and through the subscription management The server downloads the streaming media file to prevent the user from directly downloading the streaming media file from the streaming media on-demand server, thereby improving the security of the streaming media on-demand server. DRAWINGS

FIG. 1 is a schematic flowchart of a method for downloading a streaming media file according to an embodiment of the present invention; FIG. 2 is a schematic flowchart of a method for downloading a streaming media file according to an embodiment of the present invention; A schematic diagram of a structure of a streaming media file downloading system; FIG. 4 is a schematic structural diagram of a streaming media file downloading device according to an embodiment of the present invention. detailed description

The technical solutions provided by the embodiments of the present invention are described below with reference to the accompanying drawings.

Referring to FIG. 1, a method for downloading a streaming media file according to an embodiment of the present invention includes the following steps:

5101. The download terminal determines the source information of the streaming media file.

5102. The download terminal sends a download request to the subscription management server, where the streaming media file is carried. Source information of the piece.

5103. The download terminal acquires a download address of the streaming media file generated by the subscription management server according to the source information.

5104. The download terminal acquires the streaming media file from the subscription management server according to the download address of the streaming media file.

The above operations are performed by the terminal side, and the download terminal may be a mobile terminal, such as a mobile terminal, or a fixed terminal such as a computer.

Preferably, the downloading terminal determines the source information of the streaming media file, including:

The downloading terminal obtains the source information of the currently-on-demand streaming media file, including the identifier of the streaming media file, such as the name of the streaming media file, and the saved on the streaming media on-demand server, in the process of streaming the on-demand media. File directory information for streaming media files.

Preferably, the download address of the streaming media file is generated after the subscription management server obtains the streaming media file from the streaming media on-demand server according to the source information of the streaming media file carried in the subscription management server after receiving the download request. The download address of the streaming media file.

Preferably, the downloading terminal acquires a download address of the streaming media file generated by the subscription management server according to the source information, and includes:

The download address of the generated streaming media file is directly sent by the subscription management server to the download terminal ^ or ,

The download address of the generated streaming media file is sent by the subscription management server to the push server, and then forwarded to the download terminal by the push server.

That is, the order management server receives the download request sent by the terminal, obtains the source information of the streaming media file, obtains the streaming media file from the streaming media on-demand server according to the piece source information, and saves the file in the preset temporary file directory, and The download address of the streaming media file is generated, and then the download address is sent to the terminal, and may be directly sent to the terminal, or may be forwarded to the terminal through other servers; and subsequently, the streaming media file is provided to the terminal according to the terminal request. Preferably, the terminal obtains the download address of the streaming media file, including:

Receiving a Push message sent by a Push server, where the download address of the streaming media file is carried;

The download address of the streaming media file carried in the push message is sent by the subscription management server to the push server. That is, the download address of the streaming media file is forwarded by the push server to the terminal.

Preferably, the download address of the streaming media file includes:

The IP address of the order management server, the directory information of the temporary file on the order management server where the streaming media file is saved, and the identifier of the streaming file.

In the embodiment of the present invention, a subscription option is added in the streaming media player menu on the terminal side. During the process of streaming media on the user, the download request is sent by selecting this option. If not in the on-demand state, the subscription option is grayed out, that is, not available. selected.

The operator establishes and provides a subscription management server for the streaming media file, receives the download request sent by the terminal, parses the request, obtains the source information of the streaming media file, and obtains the streaming media from the streaming media on-demand server according to the source information. The file source information includes: a name of the streaming media file and file directory information of the streaming media file stored on the streaming media on-demand server.

a streaming media on-demand server receives the source information from the subscription management server, and finds a corresponding streaming media file according to the source information, and sends the streaming media file to the subscription management server, and the subscription management server saves the file to a preset In the temporary file directory, the download address of the streaming media file is then generated. The download address includes a local IP address of the subscription management server and directory information of the temporary file and a name of the streaming media file.

The streaming media on-demand server sends the download address to the terminal by means of a Push message.

In addition, the temporary file directory may have a storage time limit, that is, the expired files may be automatically cleaned at regular intervals to prevent occupying excessive server space. The subscription management server in the embodiment of the present invention is a server independent of the streaming media on-demand server.

Referring to FIG. 2, a method for downloading a streaming media according to an embodiment of the present invention includes the following steps:

5201. The mobile terminal initiates streaming media on demand, and initiates a subscription through a subscription option in the menu during the source playback, that is, sends a download request of the streaming media file.

The mobile terminal user logs in to the streaming media on-demand server provided by the operator to initiate streaming media on-demand; in the process of streaming the on-demand media, the mobile terminal sends a download request to the subscription management server according to the streaming media file selected by the user.

The download request is sent from the terminal's program background by means of a short message, and the message body contains the name of the currently playing multimedia file and the file directory information of the streaming media file saved on the streaming media on-demand server, so that the order manager server can quickly find the ordered order. Source.

The source information of the streaming media file may be obtained by the terminal by extracting a Session Description Protocol (SDP) message when the protocol is interacted with the streaming media on-demand server during the streaming media on demand process.

After receiving the download request, the order management server searches for the corresponding source on the streaming server according to the source information of the streaming media file, and copies the corresponding source to the temporary file directory of the subscription management server;

The temporary file directory can also be set in the streaming media on-demand server, that is, the subscription management server can also be located in the streaming media on-demand server, but in order to reduce the load of the streaming media on-demand server, the subscription management server needs to be used as the independent streaming media on-demand server. Outside the download server.

The ordering manager server can generate a corresponding temporary file directory for each streaming file, or use the same temporary file directory for all streaming files.

In order to increase the turnover rate of the subscription manager server space, the streaming media files in the temporary file directory in the order manager server, or the entire temporary file directory, can be set. The retention period is equivalent to setting the download validity period for the streaming media file. By periodically deleting the task, when the validity period arrives, one or more streaming media files saved in the temporary file directory or the temporary file directory are deleted.

5203. The order management server generates a download address of the streaming media file, that is, a Universal Resource Locator (URL), and sends the message to the Push server.

5204. The Push server sends the download address to the mobile terminal.

For the copyright of the media file, the download address encrypted by Digital Right Manage (DRM) can also be sent to the terminal through the Push message. The specific encryption process can be done in the subscription management server. After obtaining the encrypted download address, the terminal decrypts and obtains the download address of the streaming media file.

After the above steps are completed, the mobile terminal can initiate the download of the streaming media file through the Push message at any time according to the need, which facilitates the user to download the streaming media file; and, because the subscription manager server and its temporary file directory exist in the network architecture, Reduce the harm of various cracking methods to streaming media on-demand servers.

The method for downloading a streaming media file provided in the embodiment of the present invention can be implemented in any wireless terminal with a built-in streaming media module and its protocol.

As shown in FIG. 3, it is a schematic diagram of a downloading system of a streaming media file according to an embodiment of the present invention. The system includes: a mobile phone terminal supporting streaming media playback, a streaming media on demand server, a subscription management server, and an Push server.

a mobile terminal, configured to obtain, from a streaming media on-demand server, source information of a currently streamed streaming media file, and send a download request to the subscription management server, where the source information of the streaming media file is carried; The streaming media file is obtained from the subscription management server according to the download address of the streaming media file by the subscription management server according to the download address of the streaming media file generated by the subscription source server. That is to say, the terminal supporting the streaming media play initiates the subscription request in the process of streaming media on-demand; after receiving the successful application, the receiving address including the source download address is received. Push message; When the download is needed, the source can be downloaded through the Push message.

In addition, the mobile terminal should also support the transmission function of short messages, the function of receiving Push messages and the ability to initiate connections, and the function of file downloading.

a subscription management server, configured to receive a download request sent by the terminal, obtain a piece source information of the streaming media file, obtain a streaming media file from the streaming media on-demand server according to the piece source information, and generate a download address of the streaming media file, and then The download address is sent to the terminal; and, the streaming file is provided to the terminal.

The streaming media on demand server, that is, the server used by the streaming media on demand, is configured to provide the source information of the streaming media file to the terminal, and send the streaming media file to the subscription management server.

In the embodiment of the present invention, the order management server and the Push server may be combined in one server.

Referring to FIG. 4, a device for downloading a streaming media file according to an embodiment of the present invention includes: a sending request unit 101, configured to determine source information of a streaming media file, and send a download request to the subscription management server, where the streaming media is carried. Source information of the file;

The obtaining address unit 102 is configured to obtain a download address of the streaming media file generated by the subscription management server according to the source information of the streaming media file;

The download unit 103 is configured to obtain a streaming media file from the subscription management server according to the download address of the streaming media file.

Preferably, the sending requesting unit 101 acquires the source information of the currently-on-demand streaming media file from the streaming media on-demand server, including the identifier of the streaming media file, and saves the stream on the streaming media on-demand server during the process of streaming the media. File directory information for media files.

Preferably, the download address of the streaming media file acquired by the address unit 102 is obtained by the subscription management server according to the source information of the streaming media file carried in the subscription management server after receiving the download request. The download address of the generated streaming media file after the streaming media file is obtained from the streaming media on demand server. Preferably, the download address of the streaming media file acquired by the address unit 102 is directly sent by the subscription management server to the device;

Alternatively, the obtaining address unit 102 receives the push message sent by the push server, where the download address of the streaming media file is carried; wherein the download address of the streaming media file carried in the push message is sent by the subscription management server to the push server.

Preferably, the download address of the streaming media file acquired by the address unit 102 is obtained, including: an IP address of the subscription management server, directory information of the temporary file storing the streaming media file on the subscription management server, and an identifier of the streaming media file.

Preferably, the device for downloading a streaming media file provided by the embodiment of the present invention may be a mobile terminal.

In summary, the embodiments of the present invention provide a more convenient and more integrated solution for the problem of inconvenient downloading of streaming media sources and the security of streaming media on-demand servers, so that the terminal can be in the process of on-demand broadcasting. The order download request is sent, and the download can be initiated after the event as needed, so that the download of the streaming media file is more convenient, and the user operation is greatly facilitated. At the same time, the subscription management server is added on the network side, and the streaming media file is downloaded from the subscription management server to prevent the user from directly downloading the streaming media file from the streaming media on-demand server, thereby enhancing the protection of the streaming media on-demand server itself and increasing the security.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Thus, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It should be understood that the flow can be implemented by computer program instructions Each of the processes and/or blocks in the flowcharts and/or block diagrams, and combinations of the flows and/or blocks in the flowcharts and/or block diagrams. These computer program instructions may be provided to a general purpose computer, a special machine, such that instructions executed by a processor of a computer or other programmable data processing device are used to implement a block or a block and/or block diagram of a flowchart or A device that has multiple functions specified in the box.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Claims

Claim

A method for downloading a streaming media file, the method comprising:

The method according to claim 1, wherein the downloading terminal determines the source information of the streaming media file, including:

The method according to claim 2, wherein the downloading terminal acquires a download address of the streaming media file generated by the subscription management server according to the piece source information, and the method includes: the subscription management server directly sending The download address of the generated streaming media file is sent to the download terminal.

The method according to claim 2, wherein the downloading terminal acquires a download address of the streaming media file generated by the subscription management server according to the piece source information, and the method includes: the subscription management server sends the generated The download address of the streaming media file to the push server;

The push server forwards the download address to the download terminal.

5. A streaming device downloading device, the device comprising:

a sending request unit, configured to determine a source information of the streaming media file, and send a download request to the subscription management server, where the download request carries the source information of the streaming media file;

Obtaining an address unit, configured to obtain, by the subscription management server, according to the source information The download address of the streamed media file;

The device according to claim 5, wherein the sending request unit acquires source information of the current on-demand streaming media file, including streaming media, from the streaming media on-demand server in the process of streaming the media on demand. The identifier of the file, and the file directory information of the streaming media file saved on the streaming media on-demand server.

The device according to claim 6, wherein the download address of the streaming media file acquired by the obtaining address unit is directly sent to the device by the subscription management server.

The device according to claim 6, wherein the acquiring address unit receives a push message sent by the push server, where the download address of the streaming media file is carried;

A system for downloading a streaming media file, the system comprising: a terminal, configured to acquire, from a streaming media on-demand server, source information of a currently streamed streaming media file in a process of streaming media on demand, and The order management server sends a download request, where the download request carries the slice source information of the streaming media file; and acquires a download address of the streaming media file generated by the subscription management server according to the slice source information, according to the download address of the streaming media file , obtaining streaming media files from the subscription management server;

The streaming media on-demand server is configured to provide the source information of the streaming media file to the terminal, and send the streaming media file to the subscription management server.

The system according to claim 9, wherein the system further comprises: a push server, configured to forward the download address sent by the subscription management server to the terminal by using a push message.