TWI410156B - Digital media controller and methof for sharing media content between networks using the digital media controller - Google Patents

Abstract

The invention provides a digital media controller (DMC) and a method for sharing media content between networks using the digital media controller. The method includes: setting a enter account and password; when receiving the input enter account and password from a DMC in a second DLNA determining the enter of the DMC of the second DLNA is legal; when the DMC of the second DLNA enters legally, searching share media in the DMS of the first DLNA and storing in a share document; informing the DMC of the second DLNA to obtain the list of the media content in the share document; when receiving a request of accessing a sharing media content sent by DMC of the second DLNA; sending the media content to the second DLNA to share. Using the invention can make media content shared by different networks.

Description

Digital media controller and method for utilizing the same to share media content between networks

The present invention relates to a digital media controller and method for utilizing the same to share media content between networks.

Digital Living Network Alliance (DLNA) is a wireless network that is set up by Sony, Intel, Microsoft, etc. to solve personal PCs (Personal Computers), consumer electronics, mobile devices and The interconnection of wired networks makes unrestricted sharing and growth of digital media and content services possible.

Currently, a handheld device can access media content on a DLNA network through a VPN (Virtual Private Network), but can only display media content to the connected handheld device, but cannot implement a DLNA. The network's DMP can access and use media content that can be shared on another DLNA network.

In view of the above, it is necessary to provide a method for sharing media content between networks, which is applied to an architecture constructed by a first digital living network alliance DLNA and a second DLNA, the first DLNA through a virtual private network VPN and a second A DLNA communication connection, the first DLNA includes a first digital media controller DMC, the first DMC including a shared folder. The method includes the steps of: setting a login account and a login password by using the first DMC to determine whether another DMC logged in to the first DLNA is a legitimate login; and receiving a login account entered by the user sent by the DMC in the second DLNA through the VPN and When the password is logged in, it is determined whether the DMC in the second DLNA is a legal login according to the set login account and the login password; when the DMC in the second DLNA is a legitimate login, the digital media server DMS in the first DLNA Finding the media content that can be shared, and storing the found media content that can be shared in the shared folder; when completing the storage of the found media content that can be shared, notifying the DMC in the second DLNA to the Obtaining a list of media content in the shared folder; when the first DLNA receives the request of the media content in the access list sent by the DMC in the second DLNA through the VPN, the media content in the list is in the form of a stream packet Send to the second DLNA for sharing.

In addition, it is also necessary to provide a digital media controller including a shared folder and located in the first digital living network alliance DLNA, the first DLNA is connected to the second DLNA through the virtual private network VPN. . The digital media controller includes: a setting module, configured to set a login account and a login password to determine whether other digital media controllers that log in to access the first DLNA are legally logged in; and the determining module is configured to receive the second When the digital media controller DMC in the DLNA sends the login account and the login password sent by the user through the VPN, it is determined whether the DMC in the second DLNA is a legal login according to the set login account and the login password; When the DMC in the second DLNA is a legal login, the media content that can be shared is searched from the digital media server DMS in the first DLNA, and the found media content that can be shared is stored in the shared folder; a module, configured to notify the DMC in the second DLNA to obtain a list of media content in the shared folder when the storage of the searchable media content is completed; the processing module is further configured to be used when When receiving the request of the media content in the access list sent by the DMC in the second DLNA through the VPN, the first DLNA sends the media content in the list to the stream packet. Two DLNA sharing.

Compared with the prior art, the network content sharing system and method between the networks of the present invention utilizes a shared folder to enable the digital media controller DMC in other DLNA networks other than a DLNA network to pass the legal Log in to get content that can be shared on the DLNA network. That is, the digital media controller DMC in a DLNA network obtains a list of media content that can be shared by a digital media server (DMS) in another DLNA network through a VPN, and provides the list of media content that is shared by the digital media server (DMS) in the DLNA network. The digital media player DMP performs access on demand.

FIG. 1 is a diagram showing an application architecture of a preferred embodiment of the digital media controller of the present invention. The architecture includes a DLNA (Digital Living Network Alliance) 1 and a DLNA2, and the DLNA1 and the DLNA2 are connected through a VPN 4 (Virtual Private Network). Through the VPN4, DLNA1 and DLNA2 can access each other. The Digital Media Controller (DMC) 12 is located in the DLNA1. The DLNA1 also includes a DMS 11 (Digital Media Server, Digital Media Server). The DLNA 2 includes a DMS 21, a DMC 22, a DMP (Digital Media Player, digital media player) 23, and a gateway (Gateway) 24. The DMS 11 and the DMS 21 may be other suitable digital media servers such as one or more PCs (Personal Computers) that provide media content. The DMC 12 can be a PC, or other suitable digital media controller such as a VPN server. The DMC 22 can be a PC, or other suitable digital media controller such as a VPN client. The DMP 23 may be other suitable digital media players such as one or more AV devices. The gateway 24 is configured to receive requests (requests) and responses (responses) between networks, and perform corresponding transmissions. In the preferred embodiment of the present invention, the gateway 24 is configured to forward the media content to the DMP 23 in the DLNA 2 that wants to access the media content when the DLNA1 sends the media content (Media Content) to the DLNA 2.

The DMC 12 includes a shared folder 120, and the shared folder 120 has an open permission for use by other digital media controllers that are legally logged in, that is, the files stored in the shared folder 120 can be used for other legal logins. Users share and access them. It should be noted that one or more DMPs may also be included in the DLNA1, but are not shown in the figure.

In the preferred embodiment of the present invention, the DMS 11 and the DMS 21 store media content that can be shared. The DMP 23 is used to send a request to search for media content to the DMC 22. The DMP 23 is also used to select media content that you want to access, such as selecting media content that you want to play.

The DMC 22 is configured to search for the media content that can be shared from the DMS 21 when the DMP 23 sends a request for searching for media content that can be shared, and sends the content to the DMP 23.

The DMC 22 is further configured to send a login account and a login password through the VPN 4 to connect to the DMC 12 of the DLNA 1.

The DMC 22 is further configured to obtain a list of media content in the shared folder 120 from the DMC 12 and send it to the DMP 23.

After the DMP 23 selects the media content that it wants to access, the DMC 22 determines whether the selected media content is located in the DLNA 2 in which it is located. In the preferred embodiment, when the selected media content is not located in the DLNA2 where it is located, it means that the media content is located in the DLNA1. In other embodiments, the media content may also be located in other DLNAs. The DMC 22 sends a request to access the media content via the VPN 4 to the DLNA 1 where the media content is located.

The DMC 12 also includes a sharing unit 3. 2 is a functional block diagram of a preferred embodiment of the digital media controller of the present invention. The sharing unit 3 includes a setting module 300, a determining module 302, a searching module 304, and a processing module 306.

The setting module 300 is configured to set a login account and a login password for the DMC 12 to determine whether other DMCs that log in to access the DMC 12 are legally logged in.

The determining module 302 is configured to determine, according to the set login account and the login password, whether the DMC 22 is a legitimate login when receiving the login account and the login password input by the user sent by the DMC 22 . When the entered login account and login password are consistent with the set login account and login password, the determining module 302 determines that the DMC 22 is a legitimate login; when the entered login account and login password and the set login account and login password are set In case of inconsistency, the determining module 302 determines that the DMC 22 is illegally registered.

The searching module 304 is configured to search for media content that can be shared from the DMS 11 when the DMC 22 is legally logged in.

The processing module 306 is configured to store the found media content that can be shared in the shared folder 120, and notify the DMC 22 to obtain a list of media content that can be shared in the shared folder 120. The shared folder 120 described at this time can store a plurality of media contents that can be shared.

At this time, the DMC 22 acquires the list of media content in the shared folder 120 to the DMP 23 that sends the media content request that can be shared by the search, and the DMP 23 selects the media content that is desired to be accessed. The DMC 22 determines whether the selected media content is located in the DLNA2 where the selected media content is located. When the selected media content is not located in the DLNA2 where the selected media content is located, the DMC 22 sends a request for accessing the media content through the VPN4. To the DLNA1 where the media content is located.

The processing module 306 is further configured to: when receiving the request for accessing the media content sent by the DMC 22 through the VPN 4, send the selected media content to the DLNA 2 in the form of a stream packet. At this time, the gateway 24 forwards the stream packet to the DMP 23 for access, and realizes sharing the inter-network media content between the DLNA1 and the DLNA2.

3 is a flow diagram of a preferred embodiment of the method of the present invention for utilizing a digital media controller to share media content between networks.

In step S100, the setting module 300 is configured to set a login account and a login password for the DMC 12 to determine whether other DMCs that log in to access the DMC 12 are legal logins.

In step S101, when the DMP 23 sends a request for searching for the media content that can be shared to the DMC 22, the DMC 22 searches the DMS 21 for the media content that can be shared, and sends the content to the DMP 23.

Step S102, the DMC 22 sends the login account and the login password sent by the user sent by the VPN 4 to the DMC 12 in the DLNA1.

In step S103, based on the set login account and login password, the determining module 302 determines whether the DMC 22 is a legitimate login. When the DMC 22 is a legitimate login, the process proceeds to step S105; when the DMC is illegally registered, the process proceeds to step S104.

In step S104, the processing module 306 prompts an input error, continues to receive the input of the DMC 22, and returns to step S102.

In step S105, the search module 304 searches for the media content that can be shared from the DMS 11, and the processing module 306 stores the found media content that can be shared in the shared folder 120. The shared folder 120 can store a plurality of media content that can be shared.

In step S106, the processing module 306 notifies the DMC 22 to obtain a list of media content that can be shared in the shared folder 120, and the DMC 22 sends the list of media content that can be shared to the DMP 23.

In step S107, the DMP 23 selects the media content that it wants to access.

In step S108, the DMC 22 determines whether the selected media content is located in the DLNA 2 where the DMC 22 is located. When the selected media content is located in the DLNA 2, the process proceeds to step S109; when the selected media content is not located in the DLNA 2, the process proceeds to step S110.

In step S109, the DMP 23 directly accesses the selected media content, and the process ends.

In step S110, the DMC 22 sends a request for accessing the media content to the DLNA1 where the media content is located through the VPN 4.

Step S111, the processing module 306 sends the selected media content to the DLNA2 in a stream packet form.

In step S112, the gateway 24 forwards the received stream packet to the DMP 23 for access.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

1,2‧‧‧DLNA

3‧‧‧Shared unit

4‧‧‧VPN

11,21‧‧DMS

12,22‧‧‧DMC

23‧‧‧DMP

24‧‧‧ Gateway

300‧‧‧Setup module

302‧‧‧Judgement module

304‧‧‧Search Module

306‧‧‧Processing module

120‧‧‧Shared folder

S100‧‧‧The first DMC sets the login account and login password to determine whether it is legal login

S101‧‧‧DMP sends the search media content to the second DMC, and the second DMC searches for the shared media content from the DMS in the second DLNA and transmits the content to the DMP

S102‧‧‧ The second DMC enters the login account and login password of the connected first DMC through the VPN connection.

S103‧‧‧The first DMC determines whether the second DMC is a legal login

S104‧‧‧ prompt input error, continue to receive input from the second DMC

S105‧‧‧ The first DMC finds the media content that can be shared from the DMS in the first DLNA and stores it in the shared folder in the first DMC

S106‧‧‧ The second DMC obtains a list of media content that can be shared from the shared folder and sends it to the DMP

S107‧‧‧The DMP selects the media content to be accessed

S108‧‧‧Determine whether the selected media content is located in the second DLNA

S109‧‧‧The DMP directly accesses the media content

S110‧‧‧ The second DMC sends the request information to access the selected media content to the first DLNA via the VPN

S111‧‧‧ The first DLNA sends the selected media content to the second DLNA in the form of a stream packet

S112‧‧‧The gateway of the second DLNA forwards the stream packet sent by the first DLNA to the DMP for access

1 is an application architecture diagram of a preferred embodiment of a digital media controller of the present invention.

2 is a functional block diagram of a preferred embodiment of a digital media controller of the present invention.

3 is a flow chart of a preferred embodiment of a method for sharing media content between networks using a digital media controller in accordance with the present invention.

S100‧‧‧The first DMC sets the login account and login password to determine whether it is legal login

S101‧‧‧DMP sends information for searching media content to the second DMC, and the second DMC searches for the media content that can be shared from the DMS in the second DLNA and transmits the content to the DMP

S102‧‧‧ The second DMC enters the login account and login password of the connected first DMC through the VPN connection.

S103‧‧‧The first DMC determines whether the second DMC is a legal login

S104‧‧‧ prompt input error, continue to receive input from the second DMC

S105‧‧‧ The first DMC finds the media content that can be shared from the DMS in the first DLNA and stores it in the shared folder in the first DMC

S106‧‧‧ The second DMC obtains a list of media content that can be shared from the shared folder and sends it to the DMP

S107‧‧‧The DMP selects the media content to be accessed

S108‧‧‧Determine whether the selected media content is located in the second DLNA

S109‧‧‧The DMP directly accesses the media content

S110‧‧‧ The second DMC sends the request information to access the selected media content to the first DLNA via the VPN

S111‧‧‧ The first DLNA sends the selected media content to the second DLNA in the form of a stream packet

S112‧‧‧The gateway of the second DLNA forwards the stream packet sent by the first DLNA to the DMP for access

Claims (10)

A method for sharing media content between networks is applied to an architecture constructed by a first digital living network alliance DLNA and a second DLNA, where the first DLNA is connected to a second DLNA through a virtual private network VPN, the first The DLNA includes a first digital media controller DMC, the first DMC includes a shared folder, and the method includes the steps of:
a. Setting a login account and a login password by using the first DMC to determine whether other DMCs that log in to the first DLNA are legal logins;
b. When receiving the login account and the login password of the user sent by the DMC in the second DLNA through the VPN, determining whether the DMC in the second DLNA is a legal login according to the set login account and the login password;
c. When the DMC in the second DLNA is a legal login, searching for the media content that can be shared from the digital media server DMS in the first DLNA, and storing the found media content that can be shared in the shared folder;
d. When the storage of the found media content that can be shared is completed, notifying the DMC in the second DLNA to obtain a list of the media content in the shared folder;
e. When the first DLNA receives the request of the media content in the access list sent by the DMC in the second DLNA through the VPN, the media content in the list is sent to the second DLNA for sharing in the form of a stream packet. For example, the method for sharing media content between networks described in claim 1 of the patent scope further includes:
The gateway in the second DLNA forwards the received stream packet to the digital media player DMP in the second DLNA for access. For example, in the method for sharing media content between networks described in claim 2, step b further includes:
When the DMP in the second DLNA sends a request to search for the media content that can be shared to the DMC in the second DLNA, the DMC in the second DLNA searches for the media content that can be shared from the DMS in the second DLNA, and Send to the DMP in the second DLNA. For example, in the method for sharing the media content between the networks described in claim 3, the step d and the step e further include:
The DMC in the second DLNA obtains a list of media content that can be shared from the shared folder, and transmits a list of the media content that can be shared to the DMP in the second DLNA; and the DMC in the second DLNA determines the second DLNA Whether the media content selected by the DMP is to be accessed is located in the second DLNA where the DMP is located;
When the selected media content is located in the second DLNA where the DMP is located, directly accessing the media content;
When the selected media content is not located in the second DLNA where the DMP is located, the DMC in the second DLNA sends a request to access the selected media content in the list to the first DLNA where the media content is located through the VPN. For example, the method for sharing media content between networks described in claim 1 of the patent scope further includes:
When the DMC in the second DLNA is illegally logged in, it prompts an input error and continues to receive the input of the DMC in the second DLNA. A digital media controller includes a shared folder, the digital media controller DMC is located in a first digital living network alliance DLNA, and the first DLNA is connected to a second DLNA through a virtual private network VPN, and the digital media control The device includes:
The setting module is configured to set a login account and a login password to determine whether another DMC that logs in to access the first DLNA is a legal login;
The determining module is configured to determine, according to the set login account and the login password, whether the DMC in the second DLNA is legal when receiving the login account and the login password of the user sent by the DMC in the second DLNA through the VPN. log in;
a search module, configured to search for media content that can be shared from the digital media server DMS in the first DLNA when the DMC in the second DLNA is a legitimate login, and store the found media content that can be shared in the sharing In the folder;
a processing module, configured to notify the DMC in the second DLNA to obtain a list of media content in the shared folder when the storage of the searchable media content is completed;
The processing module is further configured to: when the first DLNA receives the request of the media content in the access list sent by the DMC in the second DLNA through the VPN, send the media content in the list as a stream packet Share the second DLNA. The digital media controller of claim 6, wherein the second DLNA further comprises a gateway, and the gateway is configured to forward the received stream packet to a digital media player DMP of the second DLNA for storage. take. The digital media controller of claim 7, wherein when the DMP in the second DLNA sends a request to search for the media content that can be shared to the DMC in the second DLNA, the DMC in the second DLNA is The DMS in the second DLNA finds the media content that can be shared and sends it to the DMP in the second DLNA. For example, in the digital media controller described in claim 8, when the processing module notifies the DMC in the second DLNA to obtain a list of media content in the shared folder, the DMC in the second DLNA is from the shared folder. Obtaining a list of media content that can be shared, and giving the list of media content that can be shared to the DMP in the second DLNA;
The DMC in the second DLNA is further configured to determine whether the media content that the DMP selects to access is located in the second DLNA where the DMP is located;
When the selected media content is located in the second DLNA where the DMP is located, the DMP directly accesses the media content;
When the selected media content is not located in the second DLNA where the DMP is located, the DMC in the second DLNA sends a request to access the selected media content in the list to the first DLNA where the media content is located through the VPN. The digital media controller of claim 6, wherein the processing module is further configured to prompt an input error when the DMC in the second DLNA is illegally logged in, and continue to receive the DMC in the second DLNA. input of.