CN1893356A - Method and system for accessing computer resource through mobile terminal - Google Patents
Method and system for accessing computer resource through mobile terminal Download PDFInfo
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- CN1893356A CN1893356A CN 200510012081 CN200510012081A CN1893356A CN 1893356 A CN1893356 A CN 1893356A CN 200510012081 CN200510012081 CN 200510012081 CN 200510012081 A CN200510012081 A CN 200510012081A CN 1893356 A CN1893356 A CN 1893356A
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Abstract
The invention is related to method and system for accessing commuter resources through mobile terminal. The system includes mobile terminals connected through Internet, and computer with resource server and code conversion unit. The method includes steps: through network, connecting to resource server on a computer, mobile terminal browses resources opened by the server, and reports information of own capability set to the server; based on information of capability set of mobile terminal, the server converts codes of the selected resources to format suitable to mobile terminal as well as transmits selected resources in suitable format to mobile terminal; the mobile terminal receives and/or displays content of resource with codes being converted. Using mobile terminal such as mobile phone through wireless network, the invention makes user possible to access contents of resources on computer as well as down loads, displays and plays codes converted contents on mobile terminal.
Description
Technical field
The present invention relates to communication technique field, relate in particular to a kind of method and system by the mobile terminal accessing computer resource.
Background technology
Mobile phone has become the indispensable daily necessities of people gradually, short message (SMS), and multimedia messages (MMS), and WAP have become the important application on the mobile phone.There are a lot of service providers that services such as subscription are provided to the user by the website, server by the website is to user send SMS message (SMS), multimedia messages (MMS), perhaps the user can land WAP site with mobile phone and browse the content information that the service provider provides.The user is not content with the content that the passive service provider of acceptance provides gradually, and they wish can be by the content on the own PC of mobile phone connected reference easily.Yet though smart mobile phone has had more and more faster processing speed, increasing memory space, but can't compare with the disposal ability of PC is difficult to directly to handle and represents various resources, especially multimedia resource on the PC.
Summary of the invention
Problem to be solved by this invention is to provide a kind of method and system by the mobile terminal accessing computer resource, make the user can pass through portable terminal, as mobile phone, by the various content resources on the wireless network access computer, through on portable terminal, downloading behind the transcoding, show or playing.
To achieve these goals, the invention provides a kind of method by the mobile terminal accessing computer resource, its characteristics are, comprise the steps:
Portable terminal is connected to the Resource Server that is installed on the computer by network, browses the open resource of described Resource Server, and reports its capability set information to described Resource Server;
Described Resource Server carries out transcoding according to the capability set information of portable terminal to selected resource, transfers to and is fit to the form that portable terminal is handled and represented, and transmit to portable terminal;
Described portable terminal receives and/or represents resource content behind the transcoding.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, described portable terminal is to connect directly visit computer resource by network, is downloading on the portable terminal or is representing resource on the described Resource Server via transcoding then, and it comprises the steps:
Mobile terminal to send message is given Resource Server, asks open the Resources list, carries the authentication information and the capability set information of portable terminal in this message;
Resource Server carries out authentication to portable terminal, and the success back sends response message to portable terminal, wherein carries open the Resources list;
The user selects in this Resources list after certain resource, and mobile terminal to send message is given Resource Server, asks this selected resource;
Resource Server carries out transcoding according to the capability set information of portable terminal to this selected resource, transfers to and is fit to the form that portable terminal is handled and represented, and downloads or transmit as a stream portable terminal then;
Portable terminal is with the content stores received or represent to the user;
End of transmission, conversation end is closed network and is connected.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, described portable terminal is through visiting again computer resource after LIST SERVER authentication or the dynamic IP addressing inquiry, then via transcoding in the resource that represents on the portable terminal on the computer, comprise the steps:
Mobile terminal to send message is given LIST SERVER, comprises the authentication information of portable terminal in the message;
LIST SERVER authenticates portable terminal, gives portable terminal by the back return messages, comprises the Resource Server address of this terminal could access;
Mobile terminal to send message is given Resource Server, asks open the Resources list, carries the authentication information and the capability set information of portable terminal in this message;
Resource Server carries out authentication to portable terminal, and the success back sends response message to portable terminal, wherein carries open the Resources list;
The user selects in this Resources list after certain resource, and mobile terminal to send message is given Resource Server, asks this selected resource;
Resource Server carries out transcoding according to the capability set information of portable terminal to this selected resource, transfers to and is fit to the form that portable terminal is handled and represented, and downloads or transmit as a stream portable terminal then;
Portable terminal is with the content stores received or represent to the user;
End of transmission, conversation end is closed network and is connected.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, portable terminal is through LIST SERVER authentication or dynamic IP addressing inquiry back visit computer resource, then via transcoding in the resource that represents on the portable terminal on the computer, wherein portable terminal and computer all are positioned at after the network address translater NAT, and it comprises the steps:
Mobile terminal to send message is given LIST SERVER, inquires about the accessed resources server list of having the right, and carries the authentication information of portable terminal in this message;
LIST SERVER authenticates portable terminal, by after have the right accessed resources server list and address thereof of this user returned to portable terminal;
The user selects certain Resource Server, and portable terminal is transmitted message via LIST SERVER and given this Resource Server, asks open the Resources list, carries the authentication information and the capability set information of terminal in this message;
Resource Server carries out authentication to portable terminal, and the success back sends response message to LIST SERVER, wherein carries open the Resources list, and LIST SERVER is transmitted to portable terminal with this response message then;
The user selects in this Resources list after certain resource, and portable terminal is transmitted message via LIST SERVER and given Resource Server, asks this selected resource, and carries the udp port information that is used for Data Receiving;
Resource Server is searched selected resource and is carried out initialization, and initialization success is after give portable terminal by LIST SERVER transmitted response message, and carries and be used for the udp port information that data send;
Portable terminal sends a message to the UDP transmit port of Resource Server on the udp port of Data Receiving, burrow on the network address translater NAT of mobile terminal side;
Resource Server sends a message to the UDP receiving port of portable terminal on the udp port that data send, burrow on the network address translater NAT of Resource Server side;
Resource Server is packed resource content according to certain form, send to portable terminal by reliable UDP host-host protocol or common udp protocol;
Portable terminal is with the content stores received or represent to the user;
Resource downloading or finish conversation end, connection closed.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, described capability set information comprises audio sample rate and channel number, one of them information of video frame rate, video resolution and maximum data transfer rate of support or the combination of a plurality of information of the audio decoder of production firm, model, screen resolution and color accuracy, support of mobile phone and Video Decoder, support.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics be, described resource comprises and is set at open file or the equipment of giving portable terminal on the described computer.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are that described file comprises text, data file, picture, video, audio frequency, audio-video document; Described equipment comprises TV signal input, broadcast singal input, camera, microphone, screen collection, Digital Video, the scanner that is connected with computer.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics be, in the process of described transcoding transmission, selecting direct downloaded files for text or data file or user is to transmit by direct-passing mode.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics be, in the process of described transcoding transmission, for the download of webpage, also comprises step: with webpage format conversion for being fit to the webpage format of handset displays.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, in the process of described transcoding transmission, download for picture, also comprise step: the scaled of picture extremely is fit to the size that mobile phone screen represents, color accuracy is adjusted into the color accuracy that is fit to the mobile phone screen demonstration, coded format is adjusted into the form that mobile phone can be supported.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, in the process of described transcoding transmission, download or streaming for audio file are play, also comprise step: the channel number of audio file is adjusted into the channel number that mobile phone can be supported, the sample rate of audio file is adjusted into the sample rate that mobile phone can be supported, the coded format of audio file is adjusted into the form that mobile phone can be decoded.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics be, the situation for the streaming of audio file is play also comprises step: the data that the code rate of audio stream are adjusted into mobile phone connect the speed that bandwidth can be born.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, in the process of described transcoding transmission, download or streaming for video file are play, also comprise step: the image resolution ratio of video file is adjusted into the resolution that mobile phone screen can represent, transfer the coded format of video file to form that mobile phone can be decoded, the frame per second of video file is adjusted into the frame per second that mobile phone can be handled.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics be, the situation for the streaming of video file is play also comprises step: the data that the code rate of video flowing are adjusted into mobile phone connect the speed that bandwidth can be born.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, in the process of described transcoding transmission, for audio-video document, also comprise the steps:
Audio stream and video flowing are split out;
Audio stream and video flowing are carried out transcoding respectively;
Audio stream behind the transcoding and video flowing are synthesized a file transmit, perhaps audio stream behind the transcoding and video flowing are transmitted respectively, and in this process, keep the synchronized relation between the audio ﹠ video.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics be, the situation for the streaming of audio-video document is play also comprises step: the data that total code rate of audio stream and video flowing are adjusted into mobile phone are connected the speed that bandwidth can be born.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are that for the situation that the streaming of audio frequency, video or audio-video document is play, also comprise step: the content that portable terminal can be selected to be represented is recorded at the mobile phone end.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, situation about playing for the streaming of audio frequency, video or audio-video document, also comprise step: the content that portable terminal can be selected to be represented is recorded in computer end, can record to be higher than the quality that the mobile phone end represented.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, in described computer end recording process, also comprise step: the user can specify time span of recording or the concluding time of recording.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, situation about playing for the streaming of audio frequency, video or audio-video document, also comprise step: if platform is transferred in the input equipment support, and the user has the authority of transferring platform, the user can send the instruction of transferring platform by portable terminal, and Resource Server is transferred platform to input equipment in view of the above.
The above-mentioned method of passing through the mobile terminal accessing computer resource, its characteristics are, camera equipment for supporting The Cloud Terrace also comprises step: the user can send the instruction of regulating The Cloud Terrace by portable terminal, and Resource Server is regulated the camera The Cloud Terrace in view of the above.
To achieve these goals, the present invention also provides a kind of system by the mobile terminal accessing computer resource, and its characteristics are, comprising:
Portable terminal inserts the Internet by wireless mode, has a resource and handles display unit, is used for browsing of resource and selects to download, handle or represent;
Computer, itself and Internet connection, and a Resource Server is installed, be used for managing to being set at open the comprise file and/or the device resource of portable terminal given on the computer; And a transcoding units, be used for the resource transcoding for the form that is fit to portable terminal and receives, handle and represent and be transferred to portable terminal.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are, also comprise:
One LIST SERVER is used for portable terminal is carried out unified certification, and upgrades the dynamic IP addressing of Resource Server, is notified to portable terminal.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are, described LIST SERVER also comprises a message transmitting module, be used under the situation after portable terminal and Resource Server all are positioned at network address translater NAT, the request of portable terminal that will be by authentication is transmitted to Resource Server.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described portable terminal comprises:
The interacting message module is responsible for the interacting message with other network elements;
File storage module is responsible for the file that receives is stored;
WAP page display module is responsible for calling the WAP browser and is shown the WAP page that receives;
The picture display module is responsible for the picture that receives is presented on the terminal screen;
Audio processing modules is responsible for the voice data of receiving is decoded and play;
Video processing module is responsible for the video data of receiving is decoded and play;
The audio-visual synchronization module is responsible for the synchronized relation between assurance voice playing and the video playback.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described Resource Server also comprises:
One authentication module is used for the identity of portable terminal is authenticated.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described Resource Server also comprises:
One supports the file download service module of breakpoint transmission, is used for the file download is transferred to portable terminal.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described Resource Server also comprises:
One supports the streaming media service module of stream transmission, is used for transmitting audio stream, video flowing or audio/video flow as a stream portable terminal.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described transcoding units comprises:
Webpage transcoding module is used for the webpage transcoding for being fit to the WAP page formatting that portable terminal represents;
Picture transcoding module is used for the image data transcoding for being fit to the form that portable terminal receives, handles and represent;
Audio frequency transcoding module is used for the voice data transcoding for being fit to the form that portable terminal receives, handles and represent;
The video code conversion module is used for the video data transcoding for being fit to the form that portable terminal receives, handles and represent;
Audio frequency and video transcoding module is used for the audio, video data transcoding for being fit to the form that portable terminal receives, handles and represent.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described portable terminal also comprises:
One records module, is used for can starting when audio stream, video flowing or audio/video flow are play recording, and audio stream, video flowing or audio/video flow are stored in the memory of terminal according to certain form.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described Resource Server also comprises:
One records module, be used for when audio stream, video flowing or audio/video flow are transmitted as a stream, can respond the remote recording request of portable terminal, audio stream, video flowing or audio/video flow before the transcoding are stored in the memory of Resource Server according to certain form.
The above-mentioned system that passes through the mobile terminal accessing computer resource, its characteristics are that described portable terminal also comprises:
One remote control module is used for the equipment on the computer is carried out Long-distance Control;
And described Resource Server also comprises:
One control module is used for the equipment input of supporting controlled function is controlled, and can responds the Long-distance Control request of portable terminal.
According to an aspect of the present invention, the user can pass through portable terminal, as mobile phone, by the various content resources on the wireless network access computer, through on portable terminal, downloading behind the transcoding, show or playing, thereby make full use of the facility of portable terminal and the high speed processing ability of computer, realized sharing of resource.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is that suitable environment of the present invention and system constitute;
Fig. 2 is the basic interaction flow schematic diagram between portable terminal and the Resource Server in the preferred embodiment of the present invention;
The interaction flow schematic diagram of the system when Fig. 3 gets involved for LIST SERVER is arranged in another preferred embodiment of the present invention;
The interaction flow schematic diagram of the system when Fig. 4 is positioned at after the NAT for portable terminal in the another preferred embodiment of the present invention and Resource Server.
Fig. 5 is the schematic flow sheet of audio-video document transcoding in the another preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Fig. 1 is that suitable environment of the present invention and system constitute.System of the present invention mainly comprises: by the portable terminal 200 and the computer 300 of the Internet 100 communications, wherein portable terminal 200 is by radio network gateway 102 and the Internet 100 wireless connections, computer 300 is connected with the Internet 100 by IAD 103, and on the computer 300 Resource Server is installed, is used for managing being set at open the comprise file and/or the device resource of portable terminal given on the computer; And a transcoding units, be used for the resource transcoding for the form that is fit to portable terminal and receives, handle and represent and be transferred to portable terminal.Preferable, also can comprise a LIST SERVER 400 that is connected with the Internet 100 in the system, be used for portable terminal 200 is carried out unified certification, and upgrade the dynamic IP addressing of Resource Server, be notified to portable terminal 200.
Wherein, mobile network's part (part that radio network gateway is following) is a mobile telephone network, includes but not limited to GSM, CDMA, CDMA-2000, WCDMA, TDS-CDMA, LASCDMA, PHS network.Portable terminal can have the resource access ability that the present invention describes through the technological transformation preceding or the back employing method disclosed by the invention of dispatching from the factory of dispatching from the factory.
Resource Server can be individual's a household PC, the perhaps server that sets up by the service provider, perhaps the server that sets up of the user of enterprise group adopts method disclosed by the invention to undergo technological transformation, and can have the ability that resource service is provided to portable terminal.Resource Server is the broadband access the Internet in some way, and concrete access way includes but not limited to DDN, optical fiber, ADSL, power line, coaxial cable, and perhaps Ethernet inserts.
And, can be divided into following a few class for the resource of mobile terminal accessing on the Resource Server:
(1) download class file, comprise text and data file, as the txt document, word document, PowerPoint document, Excel form etc.
(2) web page files comprises HTML, DHTML, XHTML, WML etc.
(3) picture file comprises BMP, JPG, GIF, PNG, TIFF, PGM, PS, WMF, RAW etc.
(4) audio file, comprise MIDI, PCM, MP3, OGG, AAC, AC3, AMR-NB, AMR-WB, G.723.1, G.729, G.711, G.722, G.726, QCelp, EVRC, iLBC, iSAC, WMA, Real Audio etc.
(5) video file, comprise H.264, H.263, H.261, MPEG-1, MPEG-2, MPEG-4, AVS, MJPEG, Real Video, WMV, VP60, VP70, DV etc.
(6) audio-video document comprises the various combinations of top audio format and video format.
(7) audio collecting device comprises microphone, broadcast singal input, CD input etc.
(8) video capture device comprises camera, screen collection etc.
(9) audio-video collection equipment comprises that TV collection input, DV gather input, to look the audio frequency shooting first-class.
Fig. 2 is portable terminal of a preferred embodiment of the present invention and the basic interactive step between the Resource Server.Here suppose that both sides can set up direct TCP and connect, so Resource Server must have the public network unique ip address, be not in after the network address translater NAT, and portable terminal may be positioned at after the NAT, also may not be positioned at after the NAT.Initiated by portable terminal, both sides can set up a TCP and connect, and all message of both sides are all carried out on this TCP connects.
As can be seen from Figure, this browsing process mainly comprises the steps:
“/0001/TV/AV/:/0002/Mic/A/:/0003/show.avi/AV/:/0004/Beijing.jpg/P/:/0005/demo.ppt/D/:/0006/manual.htm/W/”。
Here have 6 accessible resource:
1) ID be 0001 be TV (TV), type is audio frequency and video (AV);
2) ID be 0002 be microphone (Mic), type is audio frequency (A);
3) ID be 0003 be an audio/video file show.avi, type is audio frequency and video (AV);
4) ID be 0004 be a picture Beijing.jpg, type is picture (P);
5) ID be 0005 be a PowerPoint file demo.ppt, type is data (D).
6) ID be 0006 be a webpage manual.htm, type is webpage (W).
A) video: the QCIF form, 8 frame/seconds, H.264BP encode code rate 50kbps
B) audio frequency: sample rate 16KHz, monophony, AMR-WB coding, code rate 6.6kbps
On being connected, TCP sends portable terminal to after then audio stream behind the transcoding and video flowing all being packed.
Fig. 3 is for there being the system interaction step under the LIST SERVER participation situation in another preferred embodiment of the present invention.LIST SERVER is a server with public network IP address.Need the participation of LIST SERVER under two kinds of situations.The one, need carry out unified access and authentication management to mobile phone users, portable terminal must at first then could the access resources server by the authentication of LIST SERVER.The 2nd, if the address of Resource Server is dynamic, portable terminal can't obtain the current address of Resource Server at any time, therefore needs the current address of LIST SERVER maintenance resources server.
As can be seen from Figure, this browsing process mainly comprises the steps:
Step 303～step 308 is identical with aforesaid step 201～206, does not repeat them here.
System interaction step when Fig. 4 is positioned at after the NAT for portable terminal in the another preferred embodiment of the present invention and Resource Server.Under the situation after portable terminal and Resource Server all are positioned at NAT, can't directly set up TCP between the two and connect, can only set up TCP with LIST SERVER respectively and be connected, and carry out the message transfer by LIST SERVER.Yet, adopt the NAT udp hole punching, can directly carry out UDP communication between the two.In native system, signaling message adopts the TCP transfer transmission alternately, and data flow adopts UDP directly to transmit.Here the NAT that supposes both sides meets the standard (STUN) that defines among the standard RFC3489 of IETF formulation.
As can be seen from Figure, this browsing process mainly comprises the steps:
Step 401, mobile terminal to send message is given LIST SERVER, comprises the authentication information of portable terminal in the message.For example: "/phone number/IMEI/password/".
Step 402, LIST SERVER authenticates portable terminal, gives portable terminal by the back return messages, comprises the Resource Server address of this terminal could access.For example: "/Home PC/123.123.123.123/ ".
Step 403, portable terminal is transmitted message via LIST SERVER and is given Resource Server, the Resources list that request is open, optional authentication information and the capability set information that comprises portable terminal in the message.For example: " video frame rate/video resolution of the audio sample rate of the audio decoder of/phone number/IMEI/password/production firm/model/screen resolution/color accuracy/support and Video Decoder/support and channel number/support/maximum data transfer rate/".
Step 404, Resource Server authenticates portable terminal, by after the Resources list that this machine is open be transmitted to portable terminal via LIST SERVER.For example: "/0001/TV/AV/ :/0002/Mic/A/ :/0003/show.avi/AV/ :/0004/Beijing.jpg/P/ :/0005/demo.ppt/D/ ".
Step 405, the user selectes certain resource, and portable terminal is transmitted message via LIST SERVER and is asked this resource to Resource Server, carries the udp port that is used for Data Receiving in the message.For example: "/0001/10.0.1.125/3880/ ", wherein 0001 is resource ID, 10.0.1.125:3880 is mapping address and the port of portable terminal UDP receiving port on the NAT gateway.
Step 406, Resource Server carries out transcoding according to the capability set information of portable terminal to this resource, transfer to and be fit to the form that portable terminal is handled and represented, initialization is used for the udp port that data send then, and port information is transmitted to portable terminal via LIST SERVER.For example "/0001/220.74.100.8/5220/ ", wherein 0001 is resource ID, 220.74.100.8:5220 is mapping address and the port of Resource Server UDP transmit port on the NAT gateway.
Step 407, portable terminal sends the data transmission udp port of message to Resource Server from the udp port of Data Receiving, is used to get through the NAT of mobile terminal side.For example, send message " hi " from local UDP receiving port to 220.74.100.8:5220, the NAT of mobile terminal side will give local UDP receiving port the data forwarding of sending from 220.74.100.8:5220 like this.
Step 408, the udp port that Resource Server sends from data sends the reception udp port of message to portable terminal, is used to get through the NAT of Resource Server side.For example, send message " hi " from local UDP transmit port to 10.0.1.125:3880, the NAT of Resource Server side will give local UDP transmit port the data forwarding of sending from 10.0.1.125:3880 like this.
Step 409, Resource Server carries out transcoding according to the capability set information of portable terminal to this resource, transfers to being fit to the form that portable terminal is handled and represented, and adopts reliable UDP or common UDP to be transferred to portable terminal then.For example, to the audio/video file show.avi that the user selectes, transcoding is:
A) video: be initially the D1 form, 25 frame/seconds, MPEG-4 coding, code rate 384kbps; Transcoding is the QCIF form, 8 frame/seconds, H.264 encodes code rate 50kbps
B) audio frequency: be initially the 44.1KHz sampling, dual track, AAC coding, code rate 96kbps; Transcoding is sample rate 16KHz, monophony, MP3 coding, code rate 16kbps
Adopt the DirectShow technology to carry out transcoding on windows platform, its concrete mode as shown in Figure 5.At first, because source file show.avi is the file of AVI form, its is inserted one " AVI Splitter " assembly." AVI Splitter " can parse audio stream among the show.avi and video flowing respectively.Among Fig. 5 " Stream 00 " video flowing that parses of expression, " Stream 01 " audio stream that parses of expression.
Video flowing is the MPEG-4 coding, therefore being admitted to " ffdshow MPEG-4 Video Decoder " decodes, decoded video flowing is admitted to the resolution frame per second adjustment that " Video Adiust " assembly carries out video, is adjusted into QCIF resolution and 8 frame/seconds.Video flowing after adjusting is admitted to " O2 WirelessCodec (1.0) " and H.264 encodes code rate 50kbps.At last, H.264 Bian Ma video flowing is admitted to " Frame Sink Renderer ", and data flow is delivered other resume module.
Audio stream is the MP3 coding, carries out decoding processing with the MP3 decoding assembly earlier here, then decoded audio stream is sent into " Audio Adiust " assembly and is carried out the sample rate of audio frequency, the adjustment of channel number, is adjusted into the 16KHz sampling, monophony.Audio stream after adjusting is admitted to the MP3 encoding pack and encodes code rate 16kbps again.At last, the audio stream of MP3 coding is admitted to " Frame Sink Renderer ", and data flow is delivered other resume module.
After the transcoding, audio stream and video flowing packing back are transferred to portable terminal by UDP.The UDP transmission here can be the reliable UDP transmission, promptly in conjunction with the error detection retransmission mechanism, also can be common UDP transmission, does not promptly do any error detection and retransmits.
Step 410, portable terminal is with the content stores received or represent to the user.For example, give O2Player with it and carry out synchronous playing for the audio, video data behind the show.avi transcoding that receives.
Step 411, end of transmission, conversation end, network connection closed.Two kinds of situations are arranged here, the one, Resource Server disconnects and connecting behind the end of transmission, and portable terminal detects the release Session Resources of having no progeny in the connection; Another kind is that user key-press selects to disconnect connection, and after portable terminal disconnected, Resource Server detected the release Session Resources of having no progeny in the connection.
The file resource of the Resource Server that obtains for portable terminal, portable terminal can be selected not carry out transcoding and directly be obtained, and this also can be regarded as the direct mode operation in the transcoding.
Portable terminal also provides the function of recording, and audio frequency, video or the audio frequency and video can convection type play are recorded.For example, the user is after pressing certain key on the portable terminal, and portable terminal just begins in progress audio frequency, video are write file storage on the memory of portable terminal simultaneously according to certain storage format.Concrete storage format can be 3GPP, 3GPP2, AVI, WMV, OTV etc.The user records end after pressing recording key once more.
Simultaneously, portable terminal also provides the function of remote recording, can ask audio frequency, video or audio frequency and video that streaming is play are recorded on Resource Server.The optional time of carrying the time span of recording or recording end in the request message of remote recording.Recording on the Resource Server can be recorded at high quality audio, video or audio frequency and video before the transcoding not, also audio frequency, video or audio frequency and video can be recorded with default higher transmission code stream.Concrete storage format can be 3GPP, 3GPP2, AVI, WMV, OTV etc.Record the carrying out that does not influence the transcoding work that offers portable terminal.
Portable terminal for the resource of particular type, also provides certain controlled function except that providing the storage of resource content behind the transcoding and representing.
For example, for adjustable TV collecting device input or the input of broadcasting collecting device, the user can transfer platform to equipment by portable terminal, thereby changes the content channel of current broadcast.Specific practice is user's inputting channel number, perhaps presses UP, DOWN key, and portable terminal sends instruction to Resource Server, requires to switch to specified channel, and perhaps current channel number adds one or subtract one.Resource Server receives that the instruction back sends instruction and transfers platform to collecting device.
For example, for the controlled camera input of The Cloud Terrace, the user can control The Cloud Terrace by portable terminal, thereby adjusts the angle of camera, convergent-divergent etc.Specific practice is that user key-press is represented the direction adjusted, and portable terminal sends corresponding instruction to Resource Server, and Resource Server sends instruction to The Cloud Terrace by the interface of The Cloud Terrace again, adjusts its angle or convergent-divergent.For example the user changes by LEFT key requirement lens left, and Resource Server sends instruction "/LEFT/ " give Resource Server, Resource Server sends corresponding The Cloud Terrace commands for controlling lens left to be changeed.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (32)
1, a kind of method by the mobile terminal accessing computer resource is characterized in that, comprises the steps:
Portable terminal is connected to the Resource Server that is installed on the computer by network, browses the open resource of described Resource Server, and reports its capability set information to described Resource Server;
Described Resource Server carries out transcoding according to the capability set information of portable terminal to selected resource, transfers to and is fit to the form that portable terminal is handled and represented, and transmit to portable terminal;
Described portable terminal receives and/or represents resource content behind the transcoding.
2, the method by the mobile terminal accessing computer resource according to claim 1, it is characterized in that, described portable terminal is to connect directly visit computer resource by network, downloading on the portable terminal or representing resource on the described Resource Server via transcoding then, it comprises the steps:
Mobile terminal to send message is given Resource Server, asks open the Resources list, carries the authentication information and the capability set information of portable terminal in this message;
Resource Server carries out authentication to portable terminal, and the success back sends response message to portable terminal, wherein carries open the Resources list;
The user selects in this Resources list after certain resource, and mobile terminal to send message is given Resource Server, asks this selected resource;
Resource Server carries out transcoding according to the capability set information of portable terminal to this selected resource, transfers to and is fit to the form that portable terminal is handled and represented, and downloads or transmit as a stream portable terminal then;
Portable terminal is with the content stores received or represent to the user;
End of transmission, conversation end is closed network and is connected.
3, the method by the mobile terminal accessing computer resource according to claim 1, it is characterized in that, described portable terminal is through visiting again computer resource after LIST SERVER authentication or the dynamic IP addressing inquiry, then via transcoding in the resource that represents on the portable terminal on the computer, comprise the steps:
Mobile terminal to send message is given LIST SERVER, comprises the authentication information of portable terminal in the message;
LIST SERVER authenticates portable terminal, gives portable terminal by the back return messages, comprises the Resource Server address of this terminal could access;
Mobile terminal to send message is given Resource Server, asks open the Resources list, carries the authentication information and the capability set information of portable terminal in this message;
Resource Server carries out authentication to portable terminal, and the success back sends response message to portable terminal, wherein carries open the Resources list;
The user selects in this Resources list after certain resource, and mobile terminal to send message is given Resource Server, asks this selected resource;
Resource Server carries out transcoding according to the capability set information of portable terminal to this selected resource, transfers to and is fit to the form that portable terminal is handled and represented, and downloads or transmit as a stream portable terminal then;
Portable terminal is with the content stores received or represent to the user;
End of transmission, conversation end is closed network and is connected.
4, the method by the mobile terminal accessing computer resource according to claim 1, it is characterized in that, portable terminal is through LIST SERVER authentication or dynamic IP addressing inquiry back visit computer resource, then via transcoding in the resource that represents on the portable terminal on the computer, wherein portable terminal and computer all are positioned at after the network address translater NAT, and it comprises the steps:
Mobile terminal to send message is given LIST SERVER, inquires about the accessed resources server list of having the right, and carries the authentication information of portable terminal in this message;
LIST SERVER authenticates portable terminal, by after have the right accessed resources server list and address thereof of this user returned to portable terminal;
The user selects certain Resource Server, and portable terminal is transmitted message via LIST SERVER and given this Resource Server, asks open the Resources list, carries the authentication information and the capability set information of terminal in this message;
Resource Server carries out authentication to portable terminal, and the success back sends response message to LIST SERVER, wherein carries open the Resources list, and LIST SERVER is transmitted to portable terminal with this response message then;
The user selects in this Resources list after certain resource, and portable terminal is transmitted message via LIST SERVER and given Resource Server, asks this selected resource, and carries the udp port information that is used for Data Receiving;
Resource Server is searched selected resource and is carried out initialization, and initialization success is after give portable terminal by LIST SERVER transmitted response message, and carries and be used for the udp port information that data send;
Portable terminal sends a message to the UDP transmit port of Resource Server on the udp port of Data Receiving, burrow on the network address translater NAT of mobile terminal side;
Resource Server sends a message to the UDP receiving port of portable terminal on the udp port that data send, burrow on the network address translater NAT of Resource Server side;
Resource Server is packed resource content according to certain form, send to portable terminal by reliable UDP host-host protocol or common udp protocol;
Portable terminal is with the content stores received or represent to the user;
Resource downloading or finish conversation end, connection closed.
5, according to the method for passing through the mobile terminal accessing computer resource described in claim 1 or 2 or 3 or 4, it is characterized in that described capability set information comprises audio sample rate and channel number, one of them information of video frame rate, video resolution and maximum data transfer rate of support or the combination of a plurality of information of the audio decoder of production firm, model, screen resolution and color accuracy, support of mobile phone and Video Decoder, support.
According to the method for passing through the mobile terminal accessing computer resource described in the claim 5, it is characterized in that 6, described resource comprises and is set at open file or the equipment of giving portable terminal on the described computer.
According to the method for passing through the mobile terminal accessing computer resource described in the claim 6, it is characterized in that 7, described file comprises text, data file, webpage, picture, video, audio frequency, audio-video document; Described equipment comprises TV signal input, broadcast singal input, camera, microphone, screen collection, Digital Video, the scanner that is connected with computer.
According to the method for passing through the mobile terminal accessing computer resource described in the claim 7, it is characterized in that 8, in the process of described transcoding transmission, selecting direct downloaded files for text or data file or user is to transmit by direct-passing mode.
9, according to the method for passing through the mobile terminal accessing computer resource described in the claim 7, it is characterized in that, in the process of described transcoding transmission, for the download of webpage be with webpage format conversion for being fit to the webpage format of handset displays.
10, according to the method for passing through the mobile terminal accessing computer resource described in the claim 7, it is characterized in that, in the process of described transcoding transmission, download for picture, also comprise step: the scaled of picture extremely is fit to the size that mobile phone screen represents, color accuracy is adjusted into the color accuracy that is fit to the mobile phone screen demonstration, coded format is adjusted into the form that mobile phone can be supported.
11, according to the method for passing through the mobile terminal accessing computer resource described in the claim 7, it is characterized in that, in the process of described transcoding transmission, download or streaming for audio file are play, also comprise step: the channel number of audio file is adjusted into the channel number that mobile phone can be supported, the sample rate of audio file is adjusted into the sample rate that mobile phone can be supported, the coded format of audio file is adjusted into the form that mobile phone can be decoded.
12, according to the method for passing through the mobile terminal accessing computer resource described in the claim 11, it is characterized in that, situation for the streaming of audio file is play also comprises step: the data that the code rate of audio stream are adjusted into mobile phone connect the speed that bandwidth can be born.
13, according to the method for passing through the mobile terminal accessing computer resource described in the claim 7, it is characterized in that, in the process of described transcoding transmission, download or streaming for video file are play, also comprise step: the image resolution ratio of video file is adjusted into the resolution that mobile phone screen can represent, transfer the coded format of video file to form that mobile phone can be decoded, the frame per second of video file is adjusted into the frame per second that mobile phone can be handled.
14, according to the method for passing through the mobile terminal accessing computer resource described in the claim 13, it is characterized in that, situation for the streaming of video file is play also comprises step: the data that the code rate of video flowing are adjusted into mobile phone connect the speed that bandwidth can be born.
15, according to the method for passing through the mobile terminal accessing computer resource described in the claim 7, it is characterized in that, in the process of described transcoding transmission,, also comprise the steps: for audio-video document
Audio stream and video flowing are split out;
Audio stream and video flowing are carried out transcoding respectively;
Audio stream behind the transcoding and video flowing are synthesized a file transmit, perhaps audio stream behind the transcoding and video flowing are transmitted respectively, and in this process, keep the synchronized relation between the audio ﹠ video.
16, according to the method for passing through the mobile terminal accessing computer resource described in the claim 15, it is characterized in that, situation for the streaming of audio-video document is play also comprises step: the data that total code rate of audio stream and video flowing are adjusted into mobile phone are connected the speed that bandwidth can be born.
17, according to claim 12 or 14 or 16 described methods by the mobile terminal accessing computer resource, it is characterized in that, for the situation that the streaming of audio frequency, video or audio-video document is play, also comprise step: the content that portable terminal can be selected to be represented is recorded at the mobile phone end.
18, according to claim 12 or 14 or 16 described methods by the mobile terminal accessing computer resource, it is characterized in that, situation about playing for the streaming of audio frequency, video or audio-video document, also comprise step: the content that portable terminal can be selected to be represented is recorded in computer end, can record to be higher than the quality that the mobile phone end represented.
19, the method by the mobile terminal accessing computer resource according to claim 18 is characterized in that in described computer end recording process, also comprise step: the user can specify time span of recording or the concluding time of recording.
20, according to claim 12 or 14 or 16 described methods by the mobile terminal accessing computer resource, it is characterized in that, situation about playing for the streaming of audio frequency, video or audio-video document, also comprise step: if platform is transferred in the input equipment support, and the user has the authority of transferring platform, the user can send the instruction of transferring platform by portable terminal, and Resource Server is transferred platform to input equipment in view of the above.
21, the method by the mobile terminal accessing computer resource according to claim 7, it is characterized in that, camera equipment for supporting The Cloud Terrace also comprises step: the user can send the instruction of regulating The Cloud Terrace by portable terminal, and Resource Server is regulated the camera The Cloud Terrace in view of the above.
22, a kind of system by the mobile terminal accessing computer resource is characterized in that, comprising:
Portable terminal inserts the Internet by wireless mode, has a resource and handles display unit, is used for browsing of resource and selects to download, handle or represent;
Computer, itself and Internet connection, and a Resource Server is installed, be used for managing to being set at open the comprise file and/or the device resource of portable terminal given on the computer; And a transcoding units, be used for the resource transcoding for the form that is fit to portable terminal and receives, handle and represent and be transferred to portable terminal.
23, the system by the mobile terminal accessing computer resource according to claim 22 is characterized in that, also comprises:
One LIST SERVER is used for portable terminal is carried out unified certification, and upgrades the dynamic IP addressing of Resource Server, is notified to portable terminal.
24, the system by the mobile terminal accessing computer resource according to claim 23, it is characterized in that, described LIST SERVER also comprises a message transmitting module, be used under the situation after portable terminal and Resource Server all are positioned at network address translater NAT, the request of portable terminal that will be by authentication is transmitted to Resource Server.
25, according to claim 22 or 23 or 24 described systems, it is characterized in that described portable terminal comprises by the mobile terminal accessing computer resource:
The interacting message module is responsible for the interacting message with other network elements;
File storage module is responsible for the file that receives is stored;
The picture display module is responsible for the picture that receives is presented on the terminal screen;
Audio processing modules is responsible for the voice data of receiving is decoded and play;
Video processing module is responsible for the video data of receiving is decoded and play;
The audio-visual synchronization module is responsible for the synchronized relation between assurance voice playing and the video playback.
26, the system by the mobile terminal accessing computer resource according to claim 25 is characterized in that described Resource Server also comprises:
One authentication module is used for the identity of portable terminal is authenticated.
27, the system by the mobile terminal accessing computer resource according to claim 26 is characterized in that described Resource Server also comprises:
One supports the file download service module of breakpoint transmission, is used for the file download is transferred to portable terminal.
28, the system by the mobile terminal accessing computer resource according to claim 27 is characterized in that described Resource Server also comprises:
One supports the streaming media service module of stream transmission, is used for transmitting audio stream, video flowing or audio/video flow as a stream portable terminal.
29, according to claim 22 or 23 or 24 described systems, it is characterized in that described transcoding units comprises by the mobile terminal accessing computer resource:
Webpage transcoding module is used for and will be fit to the webpage transcoding of computer for being fit to the webpage format that portable terminal receives, handles and represent;
Picture transcoding module is used for the image data transcoding for being fit to the form that portable terminal receives, handles and represent;
Audio frequency transcoding module is used for the voice data transcoding for being fit to the form that portable terminal receives, handles and represent;
The video code conversion module is used for the video data transcoding for being fit to the form that portable terminal receives, handles and represent;
Audio frequency and video transcoding module is used for the audio, video data transcoding for being fit to the form that portable terminal receives, handles and represent.
30, the system by the mobile terminal accessing computer resource according to claim 25 is characterized in that described portable terminal also comprises:
One records module, is used for can starting when audio stream, video flowing or audio/video flow are play recording, and audio stream, video flowing or audio/video flow are stored in the memory of terminal according to certain form.
31, according to claim 22 or 23 or 24 described systems, it is characterized in that described Resource Server also comprises by the mobile terminal accessing computer resource:
One records module, be used for when audio stream, video flowing or audio/video flow are transmitted as a stream, can respond the remote recording request of portable terminal, audio stream, video flowing or audio/video flow before the transcoding are stored in the memory of Resource Server according to certain form.
32, according to claim 22 or 23 or 24 described systems, it is characterized in that described portable terminal also comprises by the mobile terminal accessing computer resource:
One remote control module is used for the equipment on the computer is carried out Long-distance Control;
And described Resource Server also comprises:
One control module is used for the equipment input of supporting controlled function is controlled, and can responds the Long-distance Control request of portable terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100120818A CN100471114C (en) | 2005-07-01 | 2005-07-01 | Method and system for accessing computer resource through mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100120818A CN100471114C (en) | 2005-07-01 | 2005-07-01 | Method and system for accessing computer resource through mobile terminal |
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| CN1893356A true CN1893356A (en) | 2007-01-10 |
| CN100471114C CN100471114C (en) | 2009-03-18 |
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| CNB2005100120818A Expired - Fee Related CN100471114C (en) | 2005-07-01 | 2005-07-01 | Method and system for accessing computer resource through mobile terminal |
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