CN104394125B - A kind of mobile device shares the method and mobile device of multimedia file - Google Patents

Abstract

The embodiments of the present invention relate to the technical field of mobile terminals, and in particular to a method for sharing multimedia files by a mobile device and the mobile device. The method includes: a data user interface unit in the mobile device acquires a multimedia file in the mobile device, and generates and displays a file list according to the acquired multimedia file, wherein the file list includes a unique identification code corresponding to the multimedia file; The data user interface unit obtains the identification code corresponding to the multimedia file selected by the user in the file list; the data user interface unit sends the identification code corresponding to the selected multimedia file to the digital media control DMC unit in the mobile device, The DMC unit controls the digital media rendering DMR device to play the multimedia file corresponding to the identification code. The method reduces the frequency of network communication, that is, reduces the dependence on the network, and improves the speed of sharing multimedia files.

Description

Method and mobile device for sharing multimedia files by mobile device

technical field

The embodiments of the present invention relate to the technical field of mobile terminals, and in particular to a method for sharing multimedia files by a mobile device and the mobile device.

Background technique

Smart mobile devices, such as smart phones and tablet computers, have become more and more popular in recent years, and sharing multimedia files through smart mobile devices combined with the Internet has gradually become a new trend. Multimedia network sharing technologies including Digital Living Network Alliance (Digital Living Network Alliance, DLNA) and Feile (AirPlay, AP) are also being used more and more widely.

The types of DLNA devices mainly include Digital Media Player (Digital Media Player, DMP), Digital Media Renderer (Digital Media Renderer, DMR), Digital Media Server (Digital Media Server, DMS) and Digital Media Control (Digital Media Controller, DMC) . Among them, the DMS device can share media files through a Hyper Text Transfer Protocol (HTTP) server, and the DMC device includes a DLNA control point (Control Point), which can browse the media content shared in the DMS, and control Push multimedia to DMP device or DMR device for playback.

When traditional DMS equipment and DMC equipment are combined to share media files, each module is relatively independent and performs its own duties. The DMS device is mainly responsible for searching for media files, and parsing the media files, obtaining the detailed information of the media files, and then classifying them, and generating an accessible Uniform Resource Locator (Uniform Resource Locator, URL) path for Other devices browse and play; the DMC device mainly accesses the media content shared by the DMS device, and selects media files to push to the designated DMR device.

Therefore, at present, it is necessary to communicate through the network between the DMC device and the DMS device to perform operations such as searching, parsing, classifying, and browsing and accessing media files, so that the DLNA device is more dependent on the network, thereby improving the response speed of each device lower.

Contents of the invention

The purpose of the present invention is to provide a method for mobile equipment to share multimedia files and the mobile equipment, so as to reduce the dependence on the network and improve the response speed of each equipment.

On the one hand, an embodiment of the present invention provides a method for a mobile device to share a multimedia file, including:

The data user interface unit in the mobile device obtains the multimedia file in the mobile device, and generates and displays a file list according to the obtained multimedia file, wherein the file list includes a unique identification code corresponding to the multimedia file;

The data user interface unit acquires the identification code corresponding to the multimedia file selected by the user in the file list;

The data user interface unit sends the identification code corresponding to the selected multimedia file to the digital media control DMC unit in the mobile device, so that the DMC unit controls the digital media rendering DMR device to play the multimedia file corresponding to the identification code.

On the other hand, an embodiment of the present invention provides a mobile device including a data user interface unit and a digital media control DMC unit, wherein the data user interface unit specifically includes a list generation unit, an identification code acquisition unit and a file playback unit, wherein ,

The list generating unit is configured to acquire multimedia files in the mobile device, and generate and display a file list according to the acquired multimedia files, wherein the file list includes a unique identification code corresponding to the multimedia file;

The identification code obtaining unit is used to obtain the identification code corresponding to the multimedia file selected by the user in the file list;

The file playing unit is configured to send the identification code corresponding to the selected multimedia file to the digital media control DMC unit in the mobile device, so that the DMC unit controls the digital media rendering DMR device to play the multimedia file corresponding to the identification code.

The mobile device sharing multimedia file method and the mobile device provided in the embodiment of the present invention can reduce the dependence on the network and improve the response rate of each device. In the method for sharing multimedia files on a mobile device provided in an embodiment of the present invention, the data user interface unit in the mobile device obtains the multimedia files in the mobile device, generates and displays a file list of the multimedia files, and obtains the multimedia files selected by the user in the file list. file, and obtain the identification code corresponding to the multimedia file, and send the identification code corresponding to the multimedia file to the DMC unit in the mobile device, so that the DMC unit controls the DMR device to play the multimedia file. Since both the data user interface unit and the DMC unit belong to the mobile device, the method reduces the frequency of network communication, that is, reduces the dependence on the network, and improves the speed of sharing multimedia files.

Description of drawings

The drawings described here are used to provide further understanding of the embodiments of the present invention, constitute a part of the embodiments of the present invention, and do not limit the embodiments of the present invention. In the attached picture:

Fig. 1 is the implementation flowchart of the method for sharing multimedia files provided by mobile devices in the first embodiment of the present invention;

Fig. 2 is the implementation flowchart of the method for sharing multimedia files provided by mobile devices in the second embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a mobile device provided in a third embodiment of the present invention.

detailed description

The embodiments of the present invention will be described in more detail and complete below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present invention, rather than to limit the embodiments of the present invention. In addition, it should be noted that, for the convenience of description, only the part related to the embodiment of the present invention is shown in the drawings but not the whole content.

First embodiment:

Fig. 1 is a flow chart of the implementation of the method for sharing multimedia files provided by the mobile device in the first embodiment of the present invention, and the method can be executed by the mobile device. As shown in Figure 1, the implementation process includes:

Step 11. The data user interface unit in the mobile device obtains the multimedia files in the mobile device, and generates and displays a file list according to the obtained multimedia files, wherein the file list includes unique identification codes corresponding to the multimedia files.

A data user interface (User Interface, UI) unit in a mobile device is an interactive interface between a user and the mobile device. After the UI unit starts, use the operating system resource in the mobile device to search and obtain the multimedia file in the mobile device, and can also read the attribute information of the multimedia file, such as, when the multimedia file is a song, the multimedia file's Attribute information may include song local path, song name, artist name and album information, etc.

After the UI unit acquires the multimedia files in the mobile device, it generates a file list according to the acquired multimedia files, and displays the generated file list, wherein the file list includes unique identification codes corresponding to the multimedia files. Wherein, each multimedia file has a unique mapping relationship with the identification code uniquely corresponding to the multimedia file.

In this embodiment, the UI unit acquires the multimedia files in the mobile device, generates and displays the playlist, compared to the existing DLNA protocol, the DMC unit searches and acquires the multimedia files in the DMS unit, and the DMC unit generates and displays the multimedia files according to the obtained multimedia files. Displaying the playlist improves the efficiency of acquiring multimedia files, and in this embodiment, the DMC unit and the DMS unit do not need the functions of searching and parsing multimedia files, which simplifies the functions of the DMC unit and the DMS unit.

It should be noted that after the UI unit acquires the multimedia files, it can also classify the multimedia files according to preset settings, and generate and display the classified file list.

Step 12. The data user interface unit acquires the identification code corresponding to the multimedia file selected by the user in the file list.

When the user selects a multimedia file in the file list displayed by the UI unit, the UI unit acquires an identification code corresponding to the multimedia file selected by the user.

Step 13, the data user interface unit sends the identification code corresponding to the selected multimedia file to the digital media control DMC unit in the mobile device, so that the DMC unit controls the digital media rendering DMR device to play the multimedia file corresponding to the identification code .

The UI unit sends the identification code of the selected multimedia file to the DMC unit in the mobile device, wherein the DMC unit communicates with the UI unit through a network protocol. After receiving the identification code, the DMC unit sends the identification code to the DMR device, and the DMR device plays the multimedia file corresponding to the received identification code. Wherein, the DMC unit in the mobile device is connected to the DMR device through a wireless network, for example, the mobile device is in a wireless fidelity (Wireless Fidelity, WiFi) network environment, and the DMR device is also in the WiFi network environment.

Wherein, the data user interface unit sends the identification code corresponding to the selected multimedia file to the digital media control DMC unit in the mobile device, so that the DMC unit controls the digital media rendering DMR device to play the multimedia file corresponding to the identification code, It may include: the data user interface unit sends an identification code corresponding to the selected multimedia file to the DMC unit, so that the DMC unit receives the identification code and sends a request to the DMS unit to obtain the multimedia data corresponding to the identification code Make the DMS unit send the multimedia data corresponding to the identification code to the DMC unit according to the received request, and make the DMC unit send the received multimedia data to the DMR device, and make the DMR device play the received multimedia data multimedia data.

Wherein, after the DMC unit receives the identification code, it also sends a request to the DMS unit in the mobile device to obtain the multimedia data corresponding to the identification code, and the DMS unit responds to the received request and sends the multimedia data corresponding to the identification code to the DMC unit. data, the DMC unit sends the received multimedia data to the DMR device, so that the DMR device plays the received multimedia data.

Specifically, when the DMC unit executes the setAVTransportURI (set transmission path) action, it sends a request to the DMS unit in the mobile device to obtain the multimedia data corresponding to the identification code, and when it sends the Play (play) action to the DMR device, the DMR plays the received multimedia data.

It should be noted that, in the embodiment of the present invention, after the DMS unit receives the request sent by the DMC unit to obtain the multimedia data corresponding to the identification code, it can also respond to the received request and directly send the multimedia data corresponding to the identification code to the DMR device, so that The DMR device plays the received multimedia data.

In the method for sharing multimedia files with a mobile device provided in the first embodiment of the present invention, the UI unit in the mobile device has functions such as searching, parsing, classifying, browsing and accessing multimedia files, and the UI unit belongs to the application program of the operating system in the mobile device (Application, App) layer, while the DMS unit and DMC unit in the mobile device only retain the sharing and pushing functions of multimedia files. This method reduces the network communication between the DMS unit and the DMC unit, reduces the network communication frequency, and improves The speed of searching and parsing multimedia files improves the response speed of sharing multimedia files, so that when users use mobile devices to share multimedia files, they hardly notice the impact of the network on communication.

Second embodiment:

Fig. 2 is an implementation flow chart of a method for a mobile device to share a multimedia file provided in the second embodiment of the present invention, and the method can be executed by the mobile device. As shown in Figure 2, the implementation process includes:

Step 21. The data user interface unit acquires multimedia files in the mobile device, and generates and displays a file list according to the acquired multimedia files.

After the UI unit is started, it uses operating system resources in the mobile device to search for and obtain multimedia files in the mobile device, and can also read attribute information of the multimedia files, and generate and display a file list according to the obtained multimedia files.

Step 22. The data user interface unit generates a unique identification code for each multimedia file in the file list, and updates the file list according to the generated identification code, wherein the updated file list includes the identification code corresponding to the multimedia file.

The UI unit generates a unique identification code for each multimedia file in the file list, and adds the identification code to the file list to obtain an updated file list.

Wherein, the data user interface unit generating a unique identification code for each multimedia file in the file list may include: the data user interface unit generating the identification code of the multimedia file according to the name string of the multimedia file.

For example, the UI unit may set the name string of the multimedia file as the identification code corresponding to the multimedia file. It should be noted that the UI unit can also generate a unique identification code for each multimedia file in the file list in other ways, as long as there is a unique mapping relationship between the multimedia file and the identification code. For example, each multimedia file is numbered sequentially, and for any multimedia file in the file list, the number of the multimedia file is determined as the identification code of the multimedia file.

Wherein, after the data user interface unit updates the file list according to the generated identification code, it may also include: the data user interface unit sends the updated file list to the digital media service DMS unit in the mobile device, so that the DMS unit executes The operation is as follows: receive the updated file list, generate a URL path of the multimedia file according to the local path of the multimedia file and the identification code corresponding to the multimedia file, and generate multimedia data corresponding to each media file.

After the UI unit updates the file list according to the generated identification code, it sends the updated file list to the DMS unit, triggering the DMS unit to perform the following operations: the DMS unit receives the updated file list, and according to the local path of the multimedia file (that is, the multimedia file is moving) path information in the device) and the identification code corresponding to the multimedia file, generate a URL path of the multimedia file, and generate multimedia data corresponding to each media file. Wherein, for any multimedia file, the identification code corresponding to the multimedia file may be added to the local path information of the multimedia file to form a Uniform Resource Locator (Uniform Resource Locator, URL) path of the multimedia file. Since the multimedia file has a unique mapping relationship with the identification code corresponding to the multimedia file, the URL path of the multimedia file also has a unique mapping relationship with the multimedia file.

Step 23. The data user interface unit acquires the identification code corresponding to the multimedia file selected by the user in the file list.

When the user selects a multimedia file in the file list displayed by the UI unit, the UI unit acquires an identification code corresponding to the multimedia file selected by the user.

Step 24, the data user interface unit sends the identification code corresponding to the selected multimedia file to the digital media control DMC unit in the mobile device, so that the DMC unit controls the digital media rendering DMR device to play the multimedia file corresponding to the identification code .

The UI unit sends the identification code of the selected multimedia file to the DMC unit in the mobile device, wherein the DMC unit communicates with the UI unit through a network protocol. After receiving the identification code, the DMC unit sends the identification code to the DMR device, and the DMR device plays the multimedia file corresponding to the received identification code. Wherein, the DMC unit in the mobile device is connected to the DMR device through a wireless network, such as through Bluetooth or a Wi-Fi network.

In the method for sharing multimedia files with mobile devices provided in the second embodiment of the present invention, both the DMS unit and the DMC unit are set inside the same terminal of the mobile device, and the advantages of the mobile device are fully utilized to search, analyze, and search multimedia files. Classification, browsing and access functions are all moved up to the system layer of the mobile device for processing, while DMS and DMC only retain the file sharing and pushing functions, and the behavior is more specific. This method reduces the compatibility of the DLNA protocol. The mobile device also has a DMS unit, which can share and push local multimedia files; use the resources of the mobile device operating system to analyze multimedia files, so that the DMS unit does not need to analyze multimedia files, and can quickly establish sharing links; no need to configure mobile devices, easy to operate and use , suitable for home wireless sharing systems; users can directly access the file list without going through the DMS unit, which reduces the network communication between the DMS unit and the DMC unit, reduces the network communication frequency, improves the speed of searching and parsing multimedia files, and enables users When sharing multimedia files using mobile devices, the impact of the network on communication is barely noticeable.

The third embodiment of the present invention is a mobile device embodiment. The method embodiment of the present invention and the mobile device embodiment belong to the same concept. For details not described in detail in the mobile device embodiment, refer to the above method embodiment.

Third embodiment:

Fig. 3 is a schematic structural diagram of a mobile device provided in a third embodiment of the present invention. As shown in Figure 3, the mobile device may include a data user interface unit 31 and a digital media control DMC unit 32, wherein the data user interface unit 31 specifically includes a list generation unit 311, an identification code acquisition unit 312 and a file playback unit 313 .

Wherein, the list generating unit 311 may be configured to obtain multimedia files in the mobile device, and generate and display a file list according to the obtained multimedia files, wherein the file list includes a unique identification code corresponding to the multimedia file; The identification code obtaining unit 312 can be used to obtain the identification code corresponding to the multimedia file selected by the user in the file list; the file playing unit 313 can be used to send the digital media control DMC unit to the mobile device. The identification code corresponding to the selected multimedia file enables the DMC unit to control the digital media rendering DMR device to play the multimedia file corresponding to the identification code.

Wherein, the list generating unit 311 may specifically include: a list generating subunit, configured to acquire multimedia files in the mobile device, and generate and display a file list according to the acquired multimedia files; an identification code generating subunit, configured to provide Each multimedia file in the file list generates a unique identification code; the list update subunit is used to update the file list according to the identification code generated by the identification code generation subunit, wherein the updated file list includes the multimedia file corresponding identification code.

The mobile device may also include a digital media service DMS unit, wherein the data user interface unit 31 may also include a list sending unit, wherein the list sending unit is configured to send updated information to the DMS unit in the mobile device. File list; the DMS unit can be used to: receive the updated file list, and generate the uniform resource locator path of the multimedia file according to the local path of the multimedia file and the identification code corresponding to the multimedia file, and generate the corresponding multimedia file of each media file data.

Wherein, the identification code generating subunit may be specifically configured to: generate an identification code of the multimedia file according to a name string of the multimedia file.

Wherein, the file playback unit can be specifically configured to: send the identification code corresponding to the selected multimedia file to the DMC unit, so that the DMC unit receives the identification code and sends the multimedia file corresponding to the identification code to the DMS unit. The request for data makes the DMS unit send the multimedia data corresponding to the identification code to the DMC unit according to the received request, and makes the DMC unit send the received multimedia data to the DMR device, and makes the DMR device Play the received multimedia data.

The mobile device provided in the third embodiment of the present invention is based on DLNA digital media sharing technology, and a DMS unit and a DMC unit are established in the mobile device, and the multimedia files stored inside the mobile device are shared and pushed to the DMR device in the network through the form of URL Playing reduces the network communication between the DMS unit and the DMC unit, reduces the network communication frequency, improves the speed of searching and parsing multimedia files, thereby improving the response speed of sharing multimedia files, making users use mobile devices to share multimedia files. , the impact of the network on communication is almost imperceptible.

It should be noted that an embodiment of the present invention also provides a system for a mobile device to share multimedia files, including the mobile device and the digital media rendering DMR device provided in any embodiment of the present invention, wherein the mobile device includes a data user interface unit and a digital media control DMC unit, and the digital media control DMC unit is connected to the DMR device through a wireless network, the DMC unit can push the multimedia data of the multimedia file to be played to the DMR device, and the DMR device plays the received multimedia data.

The above descriptions are only preferred embodiments of the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various modifications and changes may be made to the embodiments of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention shall be included within the protection scope of the embodiments of the present invention.

Claims (4)

1. a kind of mobile device shares the method for multimedia file, it is characterised in that including：

Data user interface unit in mobile device obtains the multimedia file in mobile device, and according to the multimedia of acquisition File generated simultaneously shows listed files；Wherein, the listed files includes multimedia file uniquely corresponding identification code；

The data user interface unit is that each multimedia file generates unique identification code, and foundation in the listed files The identification code renewal listed files of generation, wherein, the listed files after renewal includes identification code corresponding to multimedia file；

Digital media service DMS unit of the data user interface unit into the mobile device sends the file row of renewal Table, the DMS units are made to perform following operation：Receive the listed files of renewal, and according to the local path of multimedia file and The uniform resource locator path of identification code generation multimedia file corresponding to multimedia file, and generate each media file pair The multi-medium data answered；The data user interface unit obtains the multimedia file pair that user selects in the listed files The identification code answered；

The data user interface unit controls DMC units to send by Digital Media of the procotol into the mobile device Identification code corresponding to the multimedia file of selection；

The DMC units, which receive the identification code and sent to the DMS units, obtains multi-medium data corresponding to the identification code Request；

The DMS units identification code sent to the DMC units according to the request of reception corresponding to multi-medium data, and make institute State DMC units and the multi-medium data received is sent to the DMR equipment, and the multimedia number for receiving the DMR device plays According to；

Wherein, the user interface elements belong to the application layer of operating system in mobile device, the user interface elements After startup, searched for using the operating-system resources in mobile device and obtain the multimedia file in mobile device；Mobile device In DMC units connected with the DMR equipment by wireless network.

2. according to the method for claim 1, it is characterised in that the data user interface unit is in the listed files Each multimedia file generates unique identification code, including：

The data user interface unit concatenates into the identification code of multimedia file according to the name character of multimedia file.

A kind of 3. mobile device, it is characterised in that including data user interface unit and Digital Media control DMC units, wherein, The data user interface unit specifically includes list generation unit, identification code acquiring unit and file broadcast unit, wherein,

The list generation unit, for obtaining the multimedia file in the mobile device, and according to the multimedia text of acquisition Part generates and shows listed files, wherein, the listed files includes multimedia file uniquely corresponding identification code；

The identification code acquiring unit, mark corresponding to the multimedia file selected for obtaining user in the listed files Code；

The file broadcast unit, more matchmakers of selection are sent for the Digital Media control DMC units into the mobile device Identification code corresponding to body file, DMC units control Digital Media is set to render more matchmakers corresponding to the DMR device plays identification codes Body file；

The list generation unit specifically includes：

List generates subelement, for obtaining the multimedia file in the mobile device, and according to the multimedia file of acquisition Generate and show listed files；

Identification code generates subelement, for generating unique identification code for each multimedia file in the listed files；

List update subelement, for updating listed files according to the identification code of identification code generation subelement generation, wherein, Listed files after renewal includes identification code corresponding to multimedia file；

Also include digital media service DMS units, wherein, the data user interface unit also includes list transmitting element,

The list transmitting element, the listed files of renewal is sent for the DMS units into the mobile device；

The DMS units are used for：The listed files of renewal is received, and according to the local path and multimedia file of multimedia file The uniform resource locator path of corresponding identification code generation multimedia file, and generate multimedia corresponding to each media file Data；

Wherein, the user interface elements belong to the application layer of operating system in mobile device, the user interface elements After startup, searched for using the operating-system resources in mobile device and obtain the multimedia file in mobile device；

The file broadcast unit, is specifically used for：

Identification code corresponding to the multimedia file of selection is sent to the DMC units, the DMC units is received the identification code simultaneously The request for obtaining multi-medium data corresponding to the identification code is sent to the DMS units, makes the DMS units asking according to reception Ask to the DMC units and send multi-medium data corresponding to the identification code, and the DMC units is sent to the DMR equipment The multi-medium data of reception, and the multi-medium data for receiving the DMR device plays.

4. mobile device according to claim 3, it is characterised in that the identification code generation subelement is specifically used for：

Concatenate into the identification code of multimedia file according to the name character of multimedia file.