TW201237638A - Method for playing multimedia file and file sharing system - Google Patents

Abstract

A method for playing a multimedia file and a file sharing system are provided. In the present invention, the file sharing system comprises a server apparatus and a playing apparatus. The playing apparatus connects to the server apparatus for selecting a multimedia file, and a text file is searched according to the name of the multimedia file. Next, the text file is loaded, and the multimedia file and the text file are played simultaneously.

Description

201237638 'PNAI-AC-0101 -T WXX 37082twf.doc/I VI. Description of the Invention: [Technical Field] The present invention relates to a file sharing mechanism, and in particular to a method and file for playing a multimedia file Sharing system. [Previous Technology] The Digital Living Network Alliance (DLNA) is a consortium of consumer electronics, mobile phones, and computer manufacturers that has developed a unified transmission specification that is designed to allow a variety of vendors. Products can communicate with each other. Accordingly, as long as it is an audio-visual device conforming to the DLNA protocol, it is possible to directly connect, synchronize, and even transmit data. Products in the DLNA environment can be roughly divided into four categories, digital media server (DMS), digital media player (DMP), digital media controller (Digitai Media Controller, DMC) and Digital Media Renderer's (Digital Media Renderer'DMR). Among them, the DMS is a device that provides acquisition, recording, storage, and source of multimedia files. DMp can find and play or output any device provided by DMS. The DMC is used as a remote control device to search for multimedia files on the DMS, and can specify whether to play DMR for playback or control the upload of the town media slot. DMS device. The DMR can receive and play multimedia files that are pushed from the DMC. In the home network, all computers and mobile phones that comply with the DLNA agreement, 201237638

PNAI-AC-0101-TWXX 37082twf.doc/I Servers and players can share and play multimedia content (including movies, music, photos, etc.) with each other via the Internet. In addition to the content source, users can also choose to play multimedia files to any playback-capable machine. For example, the user can use the control computer of the kitchen to select the movie in the study computer and play it on the TV screen of the living room. In this way, it is possible to achieve convenient and fast video and audio enjoyment for digital homes. [Invention] The present invention provides a method for playing a multimedia file, which can simultaneously play a multimedia file and a corresponding text file. The invention provides a slot sharing system, which can share a multimedia slot file and a text file. > The present invention provides a method of playing a multimedia file, which is suitable for a playback device. Here, it is connected to the server device to select more and search for the text file according to the name of the multimedia file. Then, ;^ text, the case, while playing multimedia standards and text files. , the invention of the invention - the implementation of the above, after the step of connecting to the feeding device to select the media task, when receiving the multimedia file selected by the playing life to obtain the multimedia website, where the location of the multimedia view is recorded and recorded The name of the multimedia county is in the embodiment of the present invention, the above-mentioned server provides a content directory service (Content Directory Service, ΓΓΚ, plus 6 J only table group, VJL j meaning - data structure to share multiple miscellaneous jobs ^ this ^Material structure including multiple sides 4 201237638

PNAI-AC-0101-TWXX 37082twf.doc/I ” 'Each-category node has multiple points including audio-visual nodes and text nodes. In the search for texts, the wheeler does not ==== the property of the project' in the text byte The second genus 3 === When looking for a text that matches the name of the multimedia privilege, you can compare the name of the text file to the multimedia file or analyze the text _ the name of the second multimedia file. /, There is a payment in the above-mentioned play-end device and the feeding service end-loading file;; 2 == According to the name of the multimedia slot file, the Chinese right of the text-distribution device is searched. If there is a text on the broadcast, you can: ^文子榣In the case of searching for a star file in the server device, whether or not there is a corresponding text in the service device, the invention provides a file sharing season and a playback device. The system is equipped with a "server" to store multimedia. The file has a multimedia database, and the above-mentioned building sharing system further includes storing the text file in the present invention. A server device, the camera device is connected to the media file, Obtain Multimedia 2: When broadcasting:::, according to the selected multiple,,, Chinese media media record multimedia 201237638

FNAX-AC-0101-TWXX 37082twf.doc/I The location of the file and record the name of the multimedia file. In an embodiment of the invention, the first feeding end device comprises a directory service. The Content Directory Service is used to define a data structure for the eight-year-old media archives. This data structure includes a plurality of category nodes each having a plurality of attribute nodes including audio and video nodes and text & points. In the implementation of the present invention, the above-mentioned player plays the attribute of the media storage, and the corresponding attribute under the text node is used to find a text file that matches the name of the multimedia file. The invention provides a computer program product and a method for placing a multimedia file. This computer program produces ^ g = , which is composed of fragments (for example, creating an organization code = code > section, setting a code segment, and deploying a program ^ ^), and these programs are in the player's playback device. And the steps of the method of executing the τ=object slot case and the above-mentioned building based on the above, the present invention can be used in the context of a digital home and the text of the file and its functions, and the multimedia file and the text slot case. Accordingly, the limitations and limitations of the original digital home can be more clearly understood, and the embodiments are described in detail with reference to the accompanying drawings. The following [Embodiment] 6 201237638

PNAI-AC-0101-TWXX 37082twf.doc/I Generally speaking, in the Digital Living Network Alliance (DLNA) environment, devices cannot share text files. Therefore, it is customary to watch video files. Subtitles or users who listen to music to view lyrics are quite inconvenient. Accordingly, the present invention proposes a method of playing a multimedia file and a file sharing system for sharing a multimedia file and its corresponding text file in a DLNA environment. In order to make the contents of the present invention more comprehensible, the following specific examples are illustrative of the embodiments of the present invention. 1 is a block diagram of a file sharing system in accordance with an embodiment of the present invention. Referring to FIG. 1, the file sharing system 100 includes a server device 110 and a player device 12A. In this embodiment, the file sharing system 1 符合 conforms to the Digital Living Network Alliance (DLNA) agreement. In the DLNA environment, the server device is, for example, a digital media server (DMS), and the player device 120 is, for example, a digital media player (DMP), a digital media controller (Digital Media Controller). , DMC) or a digital media renderer with a screen (Digital Media

Renderer, DMR) The word server device 110 has a multimedia library for storing multimedia files in a multimedia library. The playback device 120 can play the multimedia file in the server device 110. Further, the playback device 120 is configured to connect to the server device 110 to select one of the multimedia files, and search for the corresponding text file in the file sharing system 100 according to the name of the selected multimedia file (for example, a subtitle file or Is the lyrics file),

201237638 PNAI-AC-0101-TWXX 37082twf.doc/I and download the text file to play multimedia files and text files at the same time. The following is a detailed description of the steps of the method for playing a multimedia file in conjunction with the above file sharing system 100. 2 is a flow chart of a method for playing a multimedia file according to an embodiment of the invention. Referring to FIG. 1 and FIG. 2 simultaneously, in step S205, the playback device 120 is connected to the server device to select a multimedia file. When the playback device 120 receives the play command, it obtains a multimedia web address based on the selected multimedia file. Here, the multimedia web address records the location of the multimedia file and records the name of the multimedia file. The multimedia website is, for example, "http://10.36.141.70:8200/Medialtems/Video.avi", where "Video.avi" is the file name of the multimedia file, and "http://10.36.141.70:8200/MediaItems/ Then, the location of the multimedia file is located. Then, in step S210, the playback device 120 searches for the corresponding text file in the file sharing system 1 according to the name of the multimedia file. For example, the playback device 120 can be used. Search for a matching text slot. If the text file is not found in the playback device 120, then the server device 110 that provides the multimedia file searches for a corresponding text slot. If not, the file sharing system 1) Another server device (not shown) is used to search for text files. ^ Generally speaking, in the case of a video file, the name of the subtitle file usually matches the video file, or the content of the subtitle file is At the beginning, it usually has a string that matches the name of the slot. Therefore, when searching for the corresponding text slot, the playback device 120 can compare the name of the multimedia file. Search 8201237638

PNAI-AC-0101-TWXX 37082twf.doc/I Is the name of the text file the same, or whether the content of the text file has a string that matches the name of the multimedia file. After finding the text file, in step S215, the playback device 120 downloads the text file thereto. Since the text file does not occupy too much storage space, the searched text file is directly downloaded to the playback device 120 for storage. Then, in step S220, the playback device 120 can simultaneously play the multimedia file and the text file. Here, the playback device 120 can utilize the streaming technology to play the multimedia files in the server device 110. In order to allow the server device 11 to share the text file and enable the player device 120 to search for the text file, the structure of the server device 110 and the player device 120 can be modified to make a text file such as a subtitle file or a lyric file. It can be shared by the server device 11 and can be displayed in the player device 120. FIG. 3 is a schematic diagram of a network protocol stack according to an embodiment of the invention. This embodiment is illustrated by a Universal Plug and Play (UPnP) architecture. Referring to FIG. 3, in the embodiment, the network protocol stack includes five layers, and the bottom is explained from bottom to top. The first layer is a network connection layer, such as a wireless communication system of an entity such as Wi-Fi or Ethernet. The first layer is the network stacking layer, for example, Transinission Control Protocol (TCP) and Internet Protocol (Internet Protoco), which is responsible for the device's π> address, which is provided by TCP/IP. A basic set of protocols that implements UPnP 6 and network connectivity. The third layer is the transport protocol

201237638 PN AI-AC-0101 -T WXX 37082twf.doc/I layer, for example Hypertext Transmission Protoco (HTTP). The fourth layer is the UPnP Device Control Protocol (DCP) layer, which enables each device in the file sharing system to distinguish between each other and to communicate with each other. This layer must be used by any UPnP device. In addition, a media streaming module is included on top of the HTTP layer to enable multimedia files to be streamed and shared. The fifth layer is the media management layer, where the UPnP AV (Audio and Video) protocol is specified to provide rules for various media to be effectively identified, managed and distributed. The UPnP AV Coordinator provides a Media Server to locate available media resources to provide a variety of entertainment to other devices on the network. The Media Feeder provides a Content Directory Service and a Connection Management Service (c〇nnecti〇n Manager Service). The content directory service provides a data structure and access commands to enable the playback device 120 to play the shared content of the server device. For example, the server device 110 employs the UPnP AV protocol and provides a content directory service configuration in the media server to cause the player device 120 to discover the media server. The content directory service is used to define the data structure of the media repository and access commands. Here, the data structure includes a plurality of multimedia category nodes and a text category node, and a plurality of attribute categories are defined in the text category node. The following is an example to illustrate. FIG. 4 is a schematic diagram of a data structure of a content directory service according to an embodiment of the invention. In this embodiment, a text node is added to the data structure of the content directory service, so that the server device 110 can share 201237638.

PNAI-AC-0101-TWXX 37082twf.d〇c/I text file. Referring to FIG. 4, in the content directory service, a multi-faceted help point has a plurality of sub-package class nodes including audio and video nodes (music, video, and picture: (two subtitles and lyrics). Node - According to this, the touch m2G miscellaneous word 檑 tree byte point to search. Transfer movie (four) U text, the name of the case, according to the content directory service fixed = and multi-construction, and go to search for the word If there is any item in the device 110, download the subtitle slot, and check the file _ put the curtain file. If not, go to other media classifications to find the type of the multimedia drama according to the type of the video file (h To improve the search for the corresponding "type" of the classification of the device to find the device ==: to more than; the file is stored in the same,. For example, Figure 5A and Figure; B:: = server, example The display of the green display project sharing system 3 == 2 real = in Figure 5A, the 'slot sharing system package 2 service 2 and the playback device 52G. The service 510 server 510, for example, set 520, for example For the screen, there is a multi-media 5==;r service device 5i" deposit 11 201237638

PNAI-AC-0101-TWXX 37082twf.doc/I In addition, the file sharing system 500 may further include two or more server devices, as shown in FIG. 2B, the slot sharing system further includes a word month terminal device. 530. Here, it is assumed that the servo end device 51 has a multimedia slot ^ 5 =, and there is a compliant case in the feeding end device 53 ,. When the playback device 52 wants to play the media (4) 511 of the ship device training, it searches for the text in the feeding device, and then downloads the text right 531 to the playing device 52. 'To play in the stream, multi-ship 511 _ _ put the text slot slaughter 531. In this way, the files and materials in the DLNA environment can be obtained. The present invention can share multimedia and its corresponding textual view in the environment of a digital home, and can also play a text file while streaming playback on the playback device. In this way, users will have a better family life than the limitations of the original digital home. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any of the technical fields of the art (4) may be changed in the spirit and scope of the present invention. This is subject to the definition of Patent Application No. 11 attached. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a file sharing system in accordance with an embodiment of the present invention. 2 is a flow chart of a method for playing a multimedia file 12 201237638 PNAI-AC-0101-TWXX 37082 twf.doc/I according to an embodiment of the invention. FIG. 3 is a schematic diagram of a network communication protocol stacking according to an embodiment of the invention. 4 is a schematic diagram of a lean structure of a content directory service according to an embodiment of the invention. 5A and 5B are schematic diagrams of a file sharing system according to an embodiment of the invention. [Main component symbol description] 100, 500: file sharing system 110, 510, 530: server device 120, 520: player device 511: multimedia file 513, 531: text file S205 to S220: method for playing multimedia file according to the present invention Step 13

Claims (1)

201237638 PNAI-AC-0101-TWXX 37082twf.doc/I VII. Patent application scope: 1. A method for playing a multimedia file, which is applicable to a playback device, and the method comprises: connecting to a server device to select a multimedia device File; search for a text file according to the name of the multimedia file; download the text file; and play the multimedia file and the text file at the same time. 2. The method for playing a multimedia file according to claim 1, wherein after the step of connecting to the server device to select the multimedia file, the method further comprises: receiving a play command; and selecting the multimedia according to the selected The file obtains a multimedia website, wherein the multimedia website records the location of the multimedia file, and records the name of the multimedia file. 3_ The method for playing a multimedia file as described in claim 1, wherein the server device provides a content directory service, by which a material structure is shared, and the material structure & A plurality of classes=nodes, each of the class nodes having a plurality of attribute nodes, the category nodes including a video node and a text node. The name of the play multimedia file is as follows: Step 4 of the search for the text file. According to the third method of patent application, according to the multimedia file, the method further includes: the genus of the 201237638 PNAI-AC-0101-TWXX 37082twf.doc /I word file. 5. The method for playing a multimedia file according to claim 1, wherein the step of searching for the text file according to the name of the multimedia file comprises: comparing whether the name of the text file matches the name of the multimedia file. 6. The method for playing a multimedia file according to claim 1, wherein the step of searching for the text file according to the name of the multimedia file comprises: analyzing whether the content of the text file has a string conforming to the name of the multimedia file . 7. The method for playing a multimedia file according to claim 1, wherein the player device and the server device are located in a file sharing system, and the step of searching for the text file according to the name of the multimedia file comprises: Searching for the text file in the playback device; if the text file is not found in the playback device, searching for the text file in the server device; and if the text is not found in the server device The file searches for another corresponding file file in the other server device of the file sharing system. 8. A file sharing system, comprising: a first server device having a multimedia database for storing a multimedia file; and 15 201237638 ^NAl-AC-OlOl-TWXX 37082twf.doc/I - a playback device, connected To the service, select the multimedia file, and search for the text file according to the name of the multimedia file to download the multimedia file to simultaneously play the multimedia slot and include: 9. The slot case as described in claim 8 The shared SI further includes a second server device for storing the text file. 10. The mute device of the π patent 8 item is connected to the first ^, : system, and the name of the multimedia file is recorded. In the location where the multimedia is filed, the == encompasses the rights sharing system described in item 8, which is a content directory service that defines a case, and the data structure includes a plurality of classes =, , . To share the multimedia file, there are multiple attribute nodes, that is, points, each of which has a node. ~, the point includes a 1-tone node and - text 12. As in the scope of the patent application, the player device further includes, according to the slot sharing system, the corresponding attribute under the text node is: media = case-attribute' A text file in the name of the body file. Feng Wei knife order, looking for compliance with the multimedia 13. If the application of the patent in the scope of the patent application, the slot sharing system, the device search for the server device is ^ to the text standard The play end $ has the text; if the text file is not found in the 201237638 ^NAl-AC-0101-TWXX 37082twf.doc/I server device, then the other server of the file sharing system Search for the text file in the device. 14. A computer program product, the program is loaded via a playback device to perform the following steps: connecting to a server device to select a multimedia file; searching for a text file according to the file name of the multimedia file; downloading the text file; The multimedia file and the text file are played simultaneously. 17