CN1297874C - Device of playing back media and implementing method of playing media - Google Patents

Device of playing back media and implementing method of playing media Download PDF

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Publication number
CN1297874C
CN1297874C CNB2004100057896A CN200410005789A CN1297874C CN 1297874 C CN1297874 C CN 1297874C CN B2004100057896 A CNB2004100057896 A CN B2004100057896A CN 200410005789 A CN200410005789 A CN 200410005789A CN 1297874 C CN1297874 C CN 1297874C
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media
file
playing
audio
user
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CN1661694A (en
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任艳频
贾朝晖
赵兵
徐波
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

The present invention discloses a medium playing device. The present invention comprises a central processing module and a human-computer interaction module, a sound video conversion interface module, a DVD optical disc loader, a memory and a memorizer which are connected with the central processing module. The present invention further comprises a communication interface module used for being communicated with a computer device and a digital sound video decoder arranged in the central processing module. Meanwhile, the present invention also discloses a medium playing realizing method for the medium playing device. The method comprises two media playing modes, a local playing mode and an online playing mode. If the medium playing device receives an input local playing operating instruction, the medium playing device enters to the local playing mode and can support the playing of optical discs with a DVD standard format of the next generation. If the medium playing device receives an online playing operating instruction, the medium playing device enters the online playing mode, and medium files in the computer device can be played in a wire mode or a wireless mode. Thereby, the medium playing device can support the playing of DVD standard optical discs of the next generation and can realize the playing of various digital media contents in the computer device.

Description

The implementation method of a kind of apparatus for media playing and media play thereof
Technical field
The present invention relates to the realization technology of digital entertainment equipment, be meant the implementation method of a kind of multi-functional apparatus for media playing and media play thereof especially.
Background technology
In recent years, digital video player (DVD Player, Digital Video Disc Player) has become the home media playback equipment of main flow.It can support the broadcast of local video high dense CD (VCD), super video high density compact disc (SVCD) and digital video disk disc contents such as (DVD).The user can appreciate all kinds of video frequency programs in parlor at home easily by DVD Player is connected with audio-video terminal equipment such as TV, sound equipments.
The structure of common DVD Player, referring to shown in Figure 1, comprise: a central processing unit (CPU) 101, and the CD-ROM device carrier (DVD Loader) 104 of the human-computer interaction module 102 that is attached thereto, audio frequency and video translation interface module 103, DVD and be used for the storer 105 of storage system firmware (Firmware) and as the internal memory 106 of file processing buffer zone.CPU 101 is calculating and media centers of DVD Player.When the user need appreciate multimedia programming, the DVD/VCD/SVCD CD is put into DVD Loader, CPU 101 is kept at system software in the storer 105 to the processing such as decode of the content in the CD by transfer, and decoded data are sent into audio frequency and video translation interface module 103, be converted to audio frequency and video output and send into equipment such as televisor.Simultaneously, the user can control DVD Player by front panel button or telepilot that human-computer interaction module 102 provides, and human-computer interaction module 102 is sent user instruction into CPU 101, and CPU 101 carries out corresponding operating according to user instruction.
Along with the continuous development of display technique, the TV of new generation that plasm TV (PDP TV, Plasma Display PanelTV), LCD TV support high-resolutions such as (LCD TV, Liquid Crystal Display TV) show progresses into average family.The subject matter that follow-on DVD product is faced is how to integrate with the high definition digital television standard, because according to existing DVD specification, if record the digital TV contents of high definition with it, the recording time of a DVD can't hold a complete film less than 1 hour.
At present, the scheme that addresses this problem mainly contains two kinds: the one, increase the capacity of individual DVD; The 2nd, adopt the higher encryption algorithm of compression efficiency.The former pairing dvd standard of future generation is blue-ray DVD (Blue Ray Disc), but this technology exists and existing DVD compatibling problem, and promptly existing DVD can't play on blue light player.For the latter, pairing dvd standard of future generation is advanced CD (AOD, Advanced Optical Disc).The AOD standard still adopts red laser, and the physical format of CD remains unchanged, and just the encoding compression scheme adopts the 4th generation dynamic image agreement (MPEG4) that decompresses of low transfer rate, so AOD standard and existing DVD player compatibility are more or less freely.MPEG4 wherein is a kind of digital compression technology of international standard digital video, this technology can high definition video content compression to a single-surface single-layer DVD with 9GB in.
In addition, along with digital equipments such as digital camera, Digital Video, MP3 are progressively popularized, and broadband access technology moves to maturity gradually, the network media is downloaded possessing of condition, and people are to the management of digital media contents such as the picture of personalization, Voice ﹠ Video file and appreciate the increasing demand that proposes.
But, the apparatus for media playing solution that a kind of perfect multiple amusement demand with DVD development trend of future generation and domestic consumer combines is not proposed now as yet.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of apparatus for media playing, can support on the one hand broadcast, also provide on the other hand and play form more flexibly, satisfy the demand that the user appreciates multiple different digital media content high capacity DVD CD of future generation.
Another fundamental purpose of the present invention provides a kind of media play implementation method based on apparatus for media playing of the present invention, realizes the switching between the multiple broadcast form, and to the broadcast of high capacity DVD CD of future generation and other multiple digital media content.
According to previous goal of the invention a kind of apparatus for media playing provided by the invention, comprising: central processing module, and the human-computer interaction module that is connected with central processing module, audio frequency and video translation interface module, CD-ROM device carrier, internal memory and storer;
And further include the MPEG4 demoder in the described central processing module, be used for the file data of MPEG4 form is decoded;
Further comprise communication interface module in the described apparatus for media playing, be used for communicating with computer equipment, and the media resource information in the receiving computer equipment;
Described communication interface module is connected with central processing module;
Described central processing module receives media resource information from computer equipment by communication interface module, and is that audio-video signal outputs to audio-video terminal equipment with the media resource information that receives by audio frequency and video translation interface module converts.
Further include MPEG1 demoder or MPEG2 demoder or the two combination in the described central processing module of this apparatus for media playing.
The described communication interface module of this apparatus for media playing comprises: wireless lan interfaces module or ethernet interface module or USB interface or pcmcia interface or above combination in any.
According to the media play implementation method of another goal of the invention a kind of apparatus for media playing provided by the invention, in apparatus for media playing, be provided with and be used for digital audio/video demoder and communication interface module that the file data of MPEG4 form is decoded; In the media play process, include local the broadcast and two kinds of media playback mode of online broadcast;
If apparatus for media playing receives the local play operation instruction of user's input, then enter local play mode, comprising:
A) put into CD after, judge whether the media file in the current optical disc is the MPEG4 form, if, then enter step b), otherwise, enter step c);
B) call MPEG4 demoder and related resource, convert the MPEG4 formatted file content in the CD to corresponding audio-video signal and export audio-video terminal equipment to;
C) determine media file format in the current optical disc, call related resource, convert the contents of media files in the CD to corresponding audio-video signal and export audio-video terminal equipment to;
If apparatus for media playing receives the user and imports online play operation instruction, then enter online play mode, comprising:
A ') apparatus for media playing sends the solicited message that online broadcast starts by communication interface module to computer equipment;
B ') after computer equipment is received solicited message, start the corresponding program of online mode, the user who transmits according to apparatus for media playing further instructs, and corresponding media file is sent to apparatus for media playing;
C ') apparatus for media playing calls contents of media files that related resource will receive and converts corresponding audio-video signal to and export audio-video terminal equipment to from computer equipment.
The described step a) of this method takes a step forward and comprises: a1) judge the current CD that whether inserted, if then enter step a), otherwise the prompting user inserts CD or changes online play mode over to.
It is the default mode of operation of apparatus for media playing that local play mode is set in this method, and this method further comprises: apparatus for media playing enters local play mode after starting automatically; If described apparatus for media playing receives the local play operation instruction of user's input, then entering local play mode is: if under online play mode, apparatus for media playing receives the local play operation instruction of user's input, then enters local play mode.
This method is provided with the identification marking of MPEG4 format disc under the CD root directory of described MPEG4 form, then step a) is described judges that whether the media file in the current optical disc is specially for the MPEG4 form: judge by checking the identification marking under the CD root directory whether the media file in the current optical disc is the MPEG4 form.
This method includes the media content explanation interface file of media file storage catalogue, picture directory, interactive interface homepage file and each media file in the root directory of the optical file of MPEG4 form, store at least one media file under the described media file storage catalogue, comprise the interactive interface homepage picture that contains all contents of media files prompting pictures in the CD, the media content explanation picture of each media file and the media file preview animation of each media file under the described picture directory, then described step b) specifically comprises:
B1) access interactive interface homepage file under the MPEG4 CD root directory, the interactive interface homepage file interactive interface homepage picture under the picture directory by reference generates the homepage interactive interface that the MPEG4 format media is play;
B2) focus on the information of a media file prompting picture if receive the user, interactive interface homepage file accesses the media file preview animation under the picture directory of this media file correspondence, choose the information of a media file prompting picture if receive the user, then enter step b3);
B3) access the media content explanation interface file of the medium picture correspondence of being chosen, the media content explanation interface file contents of media files explanation picture that picture directory is corresponding down by reference generates the media content explanation interface of this media file correspondence;
B4) if receive user's play instruction, access the media file of current media description of contents interface file correspondence, and call the related resource of apparatus for media playing, by the MPEG4 demoder file content is decoded, convert the current media file content to corresponding audio-video signal and export audio-video terminal equipment to.
The described step b1 of this method) further comprises: a contents of media files prompting picture is set is chosen, and in the homepage interactive interface that the MPEG4 format media that generates is play, include the description of contents of this contents of media files being pointed out the pairing media file of picture by default;
If receive the play instruction of user's input, then directly access by the default pairing media file of choosing of contents of media files prompting picture, and call the related resource of apparatus for media playing, by the MPEG4 demoder file content is decoded, convert the current media file content to corresponding audio-video signal and export audio-video terminal equipment to.
This method step c) process of the media file format in described definite current optical disc specifically comprises: judge c1) whether the file in the current optical disc is the DVD form, if, then call related software, play the DVD file content in the CD, otherwise, enter step c2);
Step c2) judges whether the file in the current optical disc is the media data file that can play, if, then the tabulation of the media data file in this CD is shown to the user by audio-video terminal equipment, further instruction according to user's input converts the related media data file to corresponding audio-video signal and exports audio-video terminal equipment to; Otherwise prompting user current optical disc content can't be play.
Include the interface navigation software in the described computer equipment of this method, step b ') further comprise: b ' 1) after computer equipment receives solicited message, start interface navigation software generation and include the mutual main interface of online mode that can supply the media file root directory of broadcast in the computing machine, be sent to apparatus for media playing, convert corresponding audio-video signal to by apparatus for media playing and export audio-video terminal equipment to;
B ' 2) if apparatus for media playing is received the selection information of user under the media file root directory, then should selection information be forwarded to computer equipment by communication interface module, computer equipment generates the corresponding sub-function module interactive interface that includes media file tabular according to user's selection, be sent to apparatus for media playing, convert corresponding audio-video signal to by apparatus for media playing and export audio-video terminal equipment to;
B ' 3) if apparatus for media playing receives that the user selects to play the command information of one of them media file under the sub-function module interactive interface, then this command information is forwarded to computer equipment by communication interface module, computer equipment accesses corresponding media file, the content of selected media file is sent to apparatus for media playing, enters step c ').
This method further comprises the system software upgrading process: if apparatus for media playing is the system software upgrading CD according to the label detection in the CD to the current CD of putting into, then replace corresponding software in the storer be kept at apparatus for media playing with the system software in the current optical disc.
This method further comprises the system software upgrading process: under online mode, if apparatus for media playing detects under the corresponding upgrading catalogue of equipment of computing machine and preserves system upgrade software, then replace corresponding software in the storer that is kept at apparatus for media playing with the system software under the corresponding upgrading catalogue of the equipment of current computer.
From above as can be seen, apparatus for media playing provided by the invention is by being provided with MPEG4 demoder and communication interface module in apparatus for media playing, not only can satisfy the broadcast of the MPEG4 form DVD CD of AOD standard to the next generation, but also can be connected with home computer equipment by communication interface module, realize broadcast to multiple digital media content in the computer equipment.And, by the media play implementation method of apparatus for media playing provided by the invention, the user can be switched easily between local and online two kinds of media play forms, and the broadcast of MPEG4 and other digital media content.The user both can appreciate the program in the local CD of apparatus for media playing on TV, also can pass through mode switch, appreciated the media contents such as picture, music and video in the personal computer, brought abundanter leisure to experience to the user.
Description of drawings
Fig. 1 is the structured flowchart of existing digital video player;
Fig. 2 is an apparatus for media playing structured flowchart of the present invention;
Fig. 3 is the hardware configuration synoptic diagram of apparatus for media playing specific implementation of the present invention;
Fig. 4 is the process flow diagram of apparatus for media playing media play implementation method of the present invention;
Fig. 5 is a MPEG4 optical disc storage file memory format synoptic diagram provided by the invention.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
The structured flowchart of apparatus for media playing of the present invention, referring to shown in Figure 2, comprising: central processing module 201 and the communication interface module 202 that is attached thereto, human-computer interaction module 102, audio frequency and video translation interface module 103, DVD Loader 104, storer 105 and internal memory 106.Different with existing DVD player is: also further include MPEG1, MPEG2 and MPEG4 demoder in the central processing module 201, can decode to MPEG1, MPEG2 and MPEG4 form multimedia file content by the MPEG1/2/4 demoder; And this apparatus for media playing also provides communication interface module 202, on communication interface module 202, provide communication interfaces such as Ethernet (Ethernet) interface, USB (universal serial bus) (USB) interface, wireless network card, can be connected by wired or wireless mode with computer equipment.With computer equipment that apparatus for media playing is connected in be provided with corresponding server end service module, communication request that can the receiving media playback equipment, realize communicating by letter between apparatus for media playing and the computing machine, this technology provides in other two pieces of patented claims " a kind of wireless multimedia transmission system and its implementation " of the applicant and " a kind of radio multimedium recording playback technology and its implementation ".
Referring to shown in Figure 3, Fig. 3 is the hardware configuration of the apparatus for media playing specific implementation of the embodiment of the invention.The integrated digital processing module has adopted the EM8551 digital media processor chip of Sigma Design, in this chip except that the demoder that is integrated with the CPU that is used for media and MPEG1/2/4, also provide the audio frequency output module that belongs to audio frequency and video translation interface module 103 (Audio OUT), digital audio interface (SPDIF) audio output and video D/A converter module (Video DACs), Audio OUT is connected with D/A converter module 301.Audio frequency and video translation interface module 103 provides multiple audio-video interface, can be connected to audio-video terminal equipment such as corresponding TV and stereo set.Communication interface module comprises: ethernet interface module 302, the USB interface that PCMCIA (personal computer memory card international association) (PCMCIA) interface card, Ethernet card and RJ45 interface are formed and be used for WLAN transmission wireless network card.Internal memory adopts 3 64MB synchronous DRAMs (SDRAM).Storer adopts 4MB flash memory (Flash), also preserves in storer and supports the broadcast of MPEG1/2/4 form and carry out related system software mutual under the online mode with computer equipment.DVD Loader is connected to EM8551 digital media processor chip by integrated device electronics connector (IDE Connector).Human-computer interaction module is front panel (FI Panel), and the user can be sent to central processing module with operation instruction information by F.L Panel by the panel on telepilot or the FI Panel.
This apparatus for media playing carries out the flow process of media play, referring to shown in Figure 4.Wherein, apparatus for media playing of the present invention is provided with two kinds of mode of operations: DVD pattern, the i.e. local play mode of apparatus for media playing; And the Link pattern, promptly apparatus for media playing is play the online play mode of the media file in the computer equipment.Apparatus for media playing can switch between two kinds of patterns, promptly plays the DVD pattern of local CD content and plays the Link pattern of content of multimedia in the computer equipment by LAN (Local Area Network).
When opening power or after waking the system of apparatus for media playing up, apparatus for media playing enters default DVD pattern, and the implementation procedure during execution media play under this pattern comprises:
Step 401, whether the system of apparatus for media playing inserts by checking to have to coil in the DVD Loader judgement, if, then enter step 403, otherwise, step 402 entered.
Step 402, system exports information to TV by audio frequency and video translation interface module, the prompting user does not have dish, and allow the user select to insert dish or by " computer " key, if the user has pressed " computer " key on the telepilot, then system receives this instruction back execution in step 411 by human-computer interaction module, enters the Link pattern; Insert CD if detect the user, then enter step 403.
Step 403 judges whether the CD among the current DVD Loader is the MPEG4 form, if, then enter step 404, otherwise, step 405 entered.
Wherein, go out the CD of MPEG4 form for the ease of system identification, can add identification marking under the file root directory of MPEG4 CD, after CD inserted apparatus for media playing, whether system had this to identify whether the CD of judging current insertion is the MPEG4 form by checking under the CD root directory.
Step 404, system access corresponding software in the storer and play MPEG4 formatted file in the CD.
Step 405 judges whether the optical file among the current DVD Loader is the DVD form, if, then enter step 406, otherwise, step 407 entered.
Step 406, system are transferred the DVD formatted file in the respective resources broadcast CD.
Step 407, judge whether the optical file among the current DVD Loader is the media data file such as MPEG1, MPEG2 that can play, if then enter step 408, otherwise the information that can't play by audio frequency and video translation interface module output current optical disc is to TV.
Step 408, system shows data file list in the CD on TV by audio frequency and video translation interface module, after receiving the command information of user, according to the respective media files in the instruction calls related resource playlist of user's input by man-machine Switching Module input.
Under suitable network configuration, it is real-time online that apparatus for media playing is connected with wire/radio network between the computing machine.When the user needs to enter Link pattern following time in non-Link pattern,, enter the Link pattern by pressing " computer " key on the telepilot.System enters the Link pattern after receiving the message of user by " computer " key by man-machine Switching Module, and the implementation procedure during execution media play under this pattern comprises:
Step 411, system send the startup request message of Link pattern to computing machine by communication interface module.
Step 412, after computer equipment is received solicited message, start the interface navigation software and generate the mutual main interface of Link pattern, including in the computing machine all in the mutual main interface can be for the media file root directory of playing, as music, photograph album, video display etc., and show the information of each function, and the mutual main interface that will generate is sent to apparatus for media playing, convert corresponding audio-video signal to by apparatus for media playing and export audio-video terminal equipment to, be shown to the user.
Step 413, when the user presses " music " on the telepilot according to the picture information, behind " photograph album " or " video display " key, by human-computer interaction module with the corresponding instruction information input system, after user's selection information is received by system, should selection information be forwarded to computer equipment by communication interface module, computer equipment generates the interactive interface of corresponding sub-function module according to user's selection, in this interface, include the respective media files tabulation, be sent to apparatus for media playing, convert corresponding audio-video signal to by apparatus for media playing and export audio-video terminal equipment to.
Step 414, behind the media file that the user selects to play by telepilot, by human-computer interaction module with the corresponding instruction information input system, system is according to the selection information of user under the sub-function module interactive interface of receiving, then should selection information be forwarded to computer equipment by communication interface module, computer equipment accesses corresponding media file, the content of media file is sent to apparatus for media playing, and apparatus for media playing calls contents of media files that related resource will receive and converts corresponding audio-video signal to and export audio-video terminal equipment to from computer equipment.
When the user needs to enter the DVD pattern in the Link pattern,, can enter the DVD pattern by pressing " DVD " key on the telepilot.System enters the DVD pattern after receiving the message of user by " DVD " key by man-machine Switching Module.
When making MPEG4 DVD dvd playback, have more hommization, the invention provides MPEG4DVD optical disc data storage format, the CD-disc catalogs structure of this data memory format is referring to shown in Figure 5.Under the CD root directory, include media file storage catalogue, picture directory, interactive interface homepage file and with media content explanation interface file 1~N, wherein, N is the media file number of being stored in the CD.Store the media file 1~N in the CD under the media file storage catalogue; Comprise three class pictures under the picture directory: interactive interface homepage picture, in the interactive interface homepage, quote; The description of contents picture of media file 1~N is quoted in media content explanation interface file; The preview animation of media file 1~N is quoted in the interactive interface homepage, dynamically some contents of displayable media program; Interactive interface homepage file is the navigate file of whole CD content.This storage format can by designing specific making software, extract corresponding information easily from different media program source files when disc making, generate above-mentioned catalogue and file automatically.
According to this data memory format, the playing process of MPEG4 CD specifically comprises in the above-mentioned steps 404:
A. when beginning to play MPEG4 DVD CD, system at first accesses interactive interface homepage file under the CD root directory, the interactive interface homepage file interactive interface homepage picture under the picture directory by reference describes the content of storing in the CD, thereby generates the homepage interactive interface.And preferable, a media file also can be set in the homepage interactive interface be chosen by default, in the homepage interactive interface that interactive interface homepage file generates, provide the content introduction of this media file.
B. the homepage interactive interface can be accepted user's interactive operation, if the user directly imports play command, and the default media file of choosing of system plays then; When if the user transfers to focus by telepilot operation on the homepage picture of other media file, then interactive interface homepage file accesses the media file preview animation under the picture directory of this media file correspondence, and the user sees will be that picture on the original TV screen has become flash demo.If the user imports the instruction of selection when the media file of prefocusing, then enter step C.
C. when receiving the user after selecting the instruction of certain media program on the homepage interactive interface, access the media content explanation interface file of this media program correspondence, media content explanation interface file picture directory contents of media files explanation picture down by reference is introduced the main contents of each media file, thereby the media content that generates this media program correspondence illustrates the interface.
D. user's interactive operation can be accepted in media content explanation interface, behind the play instruction that receives the user, access the media file of this media content explanation interface file correspondence, utilize the MPEG4 demoder that file content is decoded, as buffer zone, export corresponding audio-video signal to equipment such as televisors with internal memory by audio frequency and video translation interface module.
In addition, the system software that is stored among the present invention in the apparatus for media playing storer also can be upgraded, and the mode that is adopted can comprise two kinds:
A kind of is to upgrade in apparatus for media playing this locality, after specific apparatus for media playing software upgrading CD put into local DVD Loader, system identifies to behind the system software upgrading CD by the sign in the CD, automatically start the software upgrading flow process, replace the corresponding software in the storer that is kept at apparatus for media playing with the system software in the current optical disc.
Another kind is to carry out online upgrading under the Link pattern, the user can be with the software upgrading content stores under the corresponding upgrading catalogue of computer equipment, if apparatus for media playing detects under the corresponding upgrading catalogue of equipment of computing machine and preserves system upgrade software, then replace corresponding software in the storer that is kept at apparatus for media playing with the system software under the corresponding upgrading catalogue of the equipment of current computer.
The content of system software upgrading comprises the renewal of system program, adaptive etc. to the MPEG4 new standard.Thereby can realize support by system software upgrading, easily functions of the equipments be safeguarded and upgraded the MPEG4 new standard.
The implementation method of apparatus for media playing of the present invention and media play also can realize other is satisfied the broadcast of the high capacity DVD CD of dvd standard form of future generation by adopting other dvd standard format digital audio/video decoder of future generation.
Owing to can store the multi-section film in MPEG4 DVD CD or many current collections are looked serial, the user can enjoy high-quality video frequency program easily by friendly interactive interface.And the user can also be stored in the media program of the types such as picture, music and video on the personal computer by wired or wireless mode program request.Thereby realized sharing of digital media program to greatest extent, satisfied user's different demands.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (13)

1, a kind of apparatus for media playing comprises: central processing module, and the human-computer interaction module that is connected with central processing module, audio frequency and video translation interface module, CD-ROM device carrier, internal memory and storer, it is characterized in that,
Further include the 4th generation dynamic image decompression agreement MPEG4 demoder in the described central processing module, be used for the file data of MPEG4 form is decoded;
Further comprise communication interface module in the described apparatus for media playing, be used for communicating with computer equipment, and the media resource information in the receiving computer equipment;
Described communication interface module is connected with central processing module;
Described central processing module receives media resource information from computer equipment by communication interface module, and is that audio-video signal outputs to audio-video terminal equipment with the media resource information that receives by audio frequency and video translation interface module converts.
2, equipment according to claim 1 is characterized in that, further includes MPEG1 demoder or MPEG2 demoder or the two combination in the described central processing module.
3, equipment according to claim 1 is characterized in that, described communication interface module comprises: wireless lan interfaces module or ethernet interface module or USB interface or pcmcia interface or above combination in any.
4, a kind of media play implementation method of apparatus for media playing is characterized in that, is provided with to be used for digital audio/video demoder and communication interface module that the file data of MPEG4 form is decoded in apparatus for media playing; In the media play process, include local the broadcast and two kinds of media playback mode of online broadcast;
If apparatus for media playing receives the local play operation instruction of user's input, then enter local play mode, comprising:
A) put into CD after, judge whether the media file in the current optical disc is the MPEG4 form, if, then enter step b), otherwise, enter step c);
B) call MPEG4 demoder and related resource, convert the MPEG4 formatted file content in the CD to corresponding audio-video signal and export audio-video terminal equipment to;
C) determine media file format in the current optical disc, call related resource, convert the contents of media files in the CD to corresponding audio-video signal and export audio-video terminal equipment to;
If apparatus for media playing receives the user and imports online play operation instruction, then enter online play mode, comprising:
A ') apparatus for media playing sends the solicited message that online broadcast starts by communication interface module to computer equipment;
B ') after computer equipment is received solicited message, start the corresponding program of online mode, the user who transmits according to apparatus for media playing further instructs, and corresponding media file is sent to apparatus for media playing;
C ') apparatus for media playing calls contents of media files that related resource will receive and converts corresponding audio-video signal to and export audio-video terminal equipment to from computer equipment.
5, method according to claim 4 is characterized in that, described step a) takes a step forward and comprises: a1) judge the current CD that whether inserted, if then enter step a), otherwise the prompting user inserts CD or changes online play mode over to.
6, method according to claim 4 is characterized in that, it is the default mode of operation of apparatus for media playing that local play mode is set in this method, and this method further comprises: apparatus for media playing enters local play mode after starting automatically;
If described apparatus for media playing receives the local play operation instruction of user's input, then entering local play mode is: if under online play mode, apparatus for media playing receives the local play operation instruction of user's input, then enters local play mode.
7, method according to claim 4, it is characterized in that, the identification marking of MPEG4 format disc is set under the CD root directory of described MPEG4 form, and then step a) is described judges that whether the media file in the current optical disc is specially for the MPEG4 form: judge by checking the identification marking under the CD root directory whether the media file in the current optical disc is the MPEG4 form.
8, method according to claim 4, it is characterized in that, in the root directory of the optical file of MPEG4 form, include the media file storage catalogue, picture directory, the media content explanation interface file of interactive interface homepage file and each media file, store at least one media file under the described media file storage catalogue, comprise the interactive interface homepage picture that contains all contents of media files prompting pictures in the CD under the described picture directory, the media content explanation picture of each media file and the media file preview animation of each media file, then described step b) specifically comprises:
B1) access interactive interface homepage file under the MPEG4 CD root directory, the interactive interface homepage file interactive interface homepage picture under the picture directory by reference generates the homepage interactive interface that the MPEG4 format media is play;
B2) focus on the information of a media file prompting picture if receive the user, interactive interface homepage file accesses the media file preview animation under the picture directory of this media file correspondence, choose the information of a media file prompting picture if receive the user, then enter step b3);
B3) access the media content explanation interface file of the medium picture correspondence of being chosen, the media content explanation interface file contents of media files explanation picture that picture directory is corresponding down by reference generates the media content explanation interface of this media file correspondence;
B4) if receive user's play instruction, access the media file of current media description of contents interface file correspondence, and call the related resource of apparatus for media playing, by the MPEG4 demoder file content is decoded, convert the current media file content to corresponding audio-video signal and export audio-video terminal equipment to.
9, method according to claim 8, it is characterized in that, described step b1) further comprises: a contents of media files prompting picture is set is chosen, and in the homepage interactive interface that the MPEG4 format media that generates is play, include the description of contents of this contents of media files being pointed out the pairing media file of picture by default;
If receive the play instruction of user's input, then directly access by the default pairing media file of choosing of contents of media files prompting picture, and call the related resource of apparatus for media playing, by the MPEG4 demoder file content is decoded, convert the current media file content to corresponding audio-video signal and export audio-video terminal equipment to.
10, method according to claim 4, it is characterized in that, the process of the media file format in the described definite current optical disc of step c) specifically comprises: judge c1) whether the file in the current optical disc is the DVD form, if, then call related software, play the DVD file content in the CD, otherwise, enter step c2);
Step c2) judges whether the file in the current optical disc is the media data file that can play, if, then the tabulation of the media data file in this CD is shown to the user by audio-video terminal equipment, further instruction according to user's input converts the related media data file to corresponding audio-video signal and exports audio-video terminal equipment to; Otherwise prompting user current optical disc content can't be play.
11, method according to claim 4, it is characterized in that, include the interface navigation software in the described computer equipment, step b ') further comprise: b ' 1) after computer equipment receives solicited message, start interface navigation software generation and include the mutual main interface of online mode that can supply the media file root directory of broadcast in the computing machine, be sent to apparatus for media playing, convert corresponding audio-video signal to by apparatus for media playing and export audio-video terminal equipment to;
B ' 2) if apparatus for media playing is received the selection information of user under the media file root directory, then should selection information be forwarded to computer equipment by communication interface module, computer equipment generates the corresponding sub-function module interactive interface that includes media file tabular according to user's selection, be sent to apparatus for media playing, convert corresponding audio-video signal to by apparatus for media playing and export audio-video terminal equipment to;
B ' 3) if apparatus for media playing receives that the user selects to play the command information of one of them media file under the sub-function module interactive interface, then this command information is forwarded to computer equipment by communication interface module, computer equipment accesses corresponding media file, the content of selected media file is sent to apparatus for media playing, enters step c ').
12, method according to claim 4, it is characterized in that, this method further comprises the system software upgrading process: if apparatus for media playing is the system software upgrading CD according to the label detection in the CD to the current CD of putting into, then replace corresponding software in the storer be kept at apparatus for media playing with the system software in the current optical disc.
13, method according to claim 4, it is characterized in that, this method further comprises the system software upgrading process: under online mode, if apparatus for media playing detects under the corresponding upgrading catalogue of equipment of computing machine and preserves system upgrade software, then replace corresponding software in the storer that is kept at apparatus for media playing with the system software under the corresponding upgrading catalogue of the equipment of current computer.
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CN108555896A (en) * 2018-04-23 2018-09-21 河南工程学院 Can human-computer interaction digital media player device
CN110719491A (en) * 2018-07-11 2020-01-21 上海网仕科技有限公司 Live broadcast backpack and live broadcast implementation method
CN114020236A (en) * 2021-09-29 2022-02-08 深圳市新田科技有限公司 Personal terminal and media signal processing method

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