CN101064713B - Control method for realizing remote tabletop using television set platform - Google Patents
Control method for realizing remote tabletop using television set platform Download PDFInfo
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- CN101064713B CN101064713B CN2006100604914A CN200610060491A CN101064713B CN 101064713 B CN101064713 B CN 101064713B CN 2006100604914 A CN2006100604914 A CN 2006100604914A CN 200610060491 A CN200610060491 A CN 200610060491A CN 101064713 B CN101064713 B CN 101064713B
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Abstract
The invention is a control method of realizing long-distance desktop by TV set platform, the method creates connection with long-distance computer via network, and parses protocol data sent by the long-distance computer, transferring native pattern system to process and display the content of desktop parsed by pattern system, receive the input of user keyboard and mouse, feedback the input of user to the long-distance computer. The method can make user share resource of computer via network when user sits at front of bighearted screen of TV set, it includes enjoying movie, enjoying music, scanning net page, editing file, more important is user can telecommute on front of TV set. The content of 3C TV set can be improved, application lightspot is provided for spread of 3C TV set.
Description
[technical field]
The present invention relates to the application of TV, a kind of implementation method of saying so exactly by television set control remote computer.This method makes it have the more wide scope of application function expansionization of TV.
[background technology]
Last century Mo, television industries circle proposed the notion that 3C merges, and As time goes on the development of technology, 3C has developed from several years ago notion now becomes product.3C (Computer, Communication, Consumer electronics) TV is the development along with the information age, and home entertainment enters after the multimedia era, a kind of TV with multiple audiovisual and auxiliary function that is occurred.It had both appreciated TV programme according to household electrical appliance information-based demand, can utilize Internet service again.Incessantly can folk prescription to the ground broadcast program that receives and teleview, and become the two-way multimedia means of communication that can receive and send information.The 3C television set integrates Digital Television, network, communication etc., because this product has merged the multinomial technology of communication, computer and consumer electronics, these technology has been arranged, and just can finish various colourful application on the platform of 3C TV.
But this application at present also is limited to the basic application of network, promptly by these 3C Products, only can receiving network data, as a kind of instrument that surfs the web, or temporary online game provides method, the effect that can not bring operational convenience and use for the user.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of control method that realizes remote desktop by TV set platform, this method can be under the control of TV, realization is to exchanges data, the computing of remote computer, be convenient to the user and realize information interchange with remote computer in time, also provide a kind of new application mode simultaneously for TV.
The present invention utilizes the treatment system of existing TV hardware enough powerful, can handle on the basis of mass data apace, pass through systems organization, setting section hardware is finished the process of carrying out communication with remote computer, remote desktop provide a kind of by the television set operating remote computer convenience and effective method, the realization of real meaning television set and computer interconnected, make the 3C TV in the competition in market, demonstrate the glamour of uniqueness.
Based on this, the present invention is achieved in that
At first, the remote desktop service routine that computer provides is housed in the television set, on the basis of this program, a kind of control method by TV set platform realization remote desktop that the present invention realized is characterized in that this method includes following steps:
A, be to create and being connected of remote computer respectively by the network address, set up the client-side program of remote desktop in the terminal of TV set platform, utilize IP address and serve port, pass through ICP/IP protocol, through shaking hands of both sides, foundation is connected with the TCP of remote computer;
The protocol data that b, parsing remote computer are come; The protocol data that the parsing remote computer is come comprises following several:
(1) data bitmap bag, the data bitmap bag has comprised the content of the bitmap that was compressed, and we come out the data decompression of bitmap, and bitmap are shown according to the agreement of remote desktop.In the agreement of remote desktop, the most image information of service end desktop all is split into some data bitmaps and sends; (2) palette data bag, palette are the bases of drawing, and graphics system is drawn according to palette; (3) mouse data bag, the mouse data bag has comprised the information about all of mouse, and (4) character font data bag, character font data bag have provided the font of all fonts of service end desktop, and size also has the content of literal; (5) voice data bag, voice data bag have comprised form and the content of sound and the sample rate of sound of sound.We have obtained utilizing the hardware platform of ATI again after the data of sound, and sound is played back.
C, call local graphics system and the desktop contents that parses is handled and shown,
The input of d, reception TV user keyboard and mouse,
E, by the input of network to the remote computer feedback user, the control information of TV coding packing, send to remote computer.
Wherein in the process of step a, the terminal of 3C TV set platform is set up the client-side program of remote desktop.Be to utilize the MINIGUI graphics system, set up the interface of accepting user's input, allow the user import the IP address or the domain name of remote computer, utilize IP address and serve port afterwards, by ICP/IP protocol, through shaking hands of both sides, foundation is connected with the TCP of remote computer.
Concrete processing mode is: mixed-media network modules mixed-media is sent to the dissection process module of system with data, and this dissection process module comprises a decompression processing device, and one resolves a buffer and a desktop restoring device; The decompression processing device is responsible for the packet of receiving is carried out decompression, and send the parsing buffer graph data (packets such as above-mentioned bitmap, toning, mouse, font), send the acoustic processing module voice data (tut packet), resolve buffer and receive all graph datas, and complete data packet group sent to the desktop restoring device, the desktop restoring device is drawn out the desktop picture according to bitmap/palette/information such as mouse/font, and send pattern process module picture.
The implementation method of remote desktop on the described TV set platform, the graphics system of its step c adopt MINIGUI to show support.
The hardware structure of existing television set has all comprised input equipment keyboard or remote controller, and the terminal input by at keyboard or remote controller utilizes infrared driving to receive afterwards; After having received corresponding key, we deliver to key the processing procedure of MINGUI graphics system again, event loop process by graphics system has obtained corresponding keypad information and mouse message at last, these information are passed to long-range computer, computer remote is controlled with realization.
Its step e first step at first will be translated into the corresponding protocol code value to key and mouse event, again the protocol encapsulation one-tenth corresponding network packet of agreement code value according to remote desktop, at last network packet is sent to remote computer server afterwards.
Generally speaking, for large-scale production and the design that does not influence television set, the hardware controls part mainly is integrated in the set-top box.Above-mentioned hardware also can be integrated in the inside of television set under the situation of needs.
The implementation method of remote desktop on the described TV set platform, its step 5 first step at first will be translated into the corresponding protocol code value to key and mouse event, again the protocol encapsulation one-tenth corresponding network packet of agreement code value, at last network packet is sent to remote computer server afterwards according to remote desktop.
Above-mentioned concrete way is: the key of user's input is transferred into the encoding process module of system, and this encoding process module comprises a code value transducer, a coding buffer, a compression processor.The code value transducer is translated into user's input key code information corresponding code value and is sent the coding buffer according to RDP agreement code value standard, the coding buffer receives conversion back code value, and compression processor is sent in grouping, compression processor compresses processing to the code value group of receiving, and the SCN Space Cable Network module is carried out the network packet encapsulation.
3C TV platform and remote computer are among the network of an intercommunication, and after 3C TV platform and remote computer had connected, platform just can communicate with one another.At first, server can send network packet to the terminal of television set, and these packets have comprised the content of remote computer desktop this moment.The 3C TV set platform receives these packets, and it is parsed, and calls local graphics system MINIGUI at last these desktop contents are shown.Like this, on screen of TV set, will demonstrate the desktop of remote computer now, just can utilize desktop that long-range computer is controlled.
Purpose of the present invention has mainly provided a kind of method by television set control remote computer, before the realization of this method makes the user can be sitting in the clear roomy screen of television set, pass through network, resource above the shared computer, comprise the appreciation film, enjoy music, browsing page, Edit Document or the like more importantly is to be sitting in television set next door telecommuting.This is with regard to the perfect content of 3C TV, for the popularization of 3C TV provides one well to use bright spot.
[description of drawings]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is an overall construction drawing of the present invention,
Fig. 2 is the flow chart that the present invention and remote computer connect,
Fig. 3 is that the present invention resolves the network packet of being come by server and reaches the flow chart that desktop contents is shown,
Fig. 4 is the system block diagram of Fig. 3 process of analysis,
Fig. 5 is that the present invention receives user's input and reaches the flow chart that input is sent to remote computer,
Fig. 6 is the system block diagram with Fig. 5 reception and transmission flow,
Fig. 7 is a flow chart of the invention process.
[embodiment]
The present invention is a client-side program of realizing remote desktop on the 3C TV set platform, and a kind of method by television set control remote computer is provided.Because the 3C television set is based upon Digital Television, network, communication etc. on the basis of one, its Software Development Platform generally is an embedded OS independently, on the platform of Embedded operating system, realized network subsystem again, graphics subsystems etc., these just provide the support of feasibility for the realization of remote desktop.The Embedded LINUX operating system of software platform that the present invention uses, the graphics system of MINIGUI, the hardware platform of use is the hardware platform of ATI 226B.
See also Fig. 1, the remote desktop service routine that the present invention has utilized computer to provide has been realized the client-side program of remote desktop at television set one end.This client-side program core just of the present invention has comprised the important content of following five parts, be respectively to create and being connected of remote computer by the network address, resolve the protocol data that remote computer is come, calling local graphics system handles the desktop contents that parses and shows, receive the input of TV user keyboard and mouse, by the input of network to the remote computer feedback user.Detailed elaboration is done to the content of this five part respectively by following elder generation:
1. create and being connected of remote computer by the network address:
As everyone knows, the service routine of remote desktop all is provided in the operating system of WINDOWS 2000 SERVER or WINDOWS XP, the port that changes service routine is 3389, still need set up the client-side program of remote desktop in the terminal of 3C TV set platform.See also Fig. 2, at first, we utilize the MINIGUI graphics system, the interface of user's input is accepted in foundation, allow the user import the IP address or the domain name of remote computer, utilize IP address and serve port afterwards, pass through ICP/IP protocol, through shaking hands of both sides, foundation is connected with the TCP of remote computer.
2. resolve the protocol data that remote computer is come:
See also Fig. 3, this is the part of outbalance of the present invention.T.128, the program of this part is with reference to setting up with standard T.125, specifically please refer to T.128 and T.125 relevant document.
By with server set up be connected after, server will be sent to data of data of its desktop contents and sound etc. the terminal of our 3C TV platform by network.These data are that the form with a common data bag sends, and in each packet head, have comprised the data of the concrete meaning that is used for representing this packet.We obtain the data of this packet head according to the agreement of remote desktop, just can know the concrete meaning of this packet.According to agreement, data are surrounded by a variety of, and still most important is exactly following several: (1) data bitmap bag.The data bitmap bag has comprised the content of the bitmap that was compressed, and we come out the data decompression of bitmap according to the agreement of remote desktop, just obtained bitmap specifically such as data such as color, size, byte orders, afterwards bitmap is shown.Bitmap has constituted the very important part of desktop contents, and in the agreement of remote desktop, the most image information of service end desktop all is split into some data bitmaps and sends; (2) palette data bag.Palette is the basis of drawing, and graphics system is drawn according to palette; (3) mouse data bag.The mouse data bag has comprised the information about all of mouse, such as the shape of mouse, size, position or the like; (4) character font data bag.The character font data bag has provided the font of all fonts of service end desktop, and size also has content of literal or the like; (5) voice data bag.The voice data bag has comprised form and the content of sound and the sample rate of sound etc. of sound.We have obtained utilizing the hardware platform of ATI again after the data of sound, and sound is played back.
Concrete processing as shown in Figure 4, mixed-media network modules mixed-media 10 is sent to the dissection process module 20 of system with data, this dissection process module 20 comprises that a decompression processing device 21, resolves buffer 23 and desktop restoring devices 25.Decompression processing device 21 is responsible for the packet of receiving is carried out decompression, and send parsing buffer 23 graph data (packets such as above-mentioned bitmap, toning, mouse, font), send acoustic processing module 30 voice data (tut packet).Resolve buffer 23 and receive all graph datas, and complete data packet group is sent to desktop restoring device 25.Desktop restoring device 25 is drawn out the desktop picture according to bitmap/palette/information such as mouse/font, and send pattern process module 40 picture.
As mentioned above, we have obtained these packets, just lay a good foundation for our desktop demonstration.
3. calling local graphics system handles the desktop contents that parses and shows:
Please continue to consult Fig. 3, here, the graphics system that we use is MINIGUI.From the packet that network is come, passed through second step parsing after, just need be corresponding desktop picture information to being shown, the main information that shows comprises bitmap, mouse, font etc., on my platform, the information that shows everything all is the support that relies on MINIGUI.Such as bitmap, through after having resolved, we have obtained the size of bitmap, color, the byte number of every pixel, the bitmap characteristic of byte order etc. and the internal storage data that is used for representing bitmap, like this, under the support of graphics system, we just can be this bitmap to drawing.Again such as mouse, the characteristic of a mouse has the size of mouse, position etc., and the most important data of mouse are exactly the data bitmap of mouse, after having obtained these data by network packet, just can draw the interface of mouse by graphics system, corresponding mouse is come out to drafting.
4. receive the input of TV user keyboard and mouse
Our hardware structure comprises two kinds, and a kind of is remote keypad or remote controller-set-top box-television set or other display equipment; Also having a kind of is the model of all-in-one: remote keypad or remote controller-television set.No matter which kind of framework has all comprised input equipment keyboard or remote controller, and the terminal input by at keyboard or remote controller utilizes infrared driving to receive afterwards.After having received corresponding key, we deliver to key the processing procedure of MINGUI graphics system again, tell us to receive which keypad information and mouse message by the event loop process of graphics system at last.Obtained corresponding keypad information and mouse message, just can pass to long-range computer to these information, computer remote has been controlled with realization.
5. by the input of network to the remote computer feedback user
See also Fig. 5, the purpose of this step is that the input with 3C TV platform terminal feeds back to remote computer, realizes the control to remote computer.By receiving the input of user's keyboard and mouse, just can obtain the corresponding key and the mouse event of user's input.But, can not directly send to remote computer to key and mouse event, because in the agreement of remote desktop, these keys and the corresponding unique agreement code value of mouse event meeting, so the first step at first will be translated into the corresponding protocol code value to key and mouse event, again the protocol encapsulation one-tenth corresponding network packet of agreement code value, at last network packet is sent to remote computer server afterwards according to remote desktop.
Its concrete processing as shown in Figure 6, the key of user input is transferred into the encoding process module 50 of system, this encoding process module 50 comprises a code value transducer 51, one coding buffers 53, one compression processors 55.Code value transducer 51 is translated into corresponding code value to user's input key code information according to RDP agreement code value standard, and send coding buffer 53.Coding buffer 53 receives conversion back code value, and compression processor 55 is sent in grouping.The code value group that 55 pairs of compression processors are received is compressed processing, and SCN Space Cable Network module 10 is carried out the network packet encapsulation.
Please consult Fig. 1 once more, 3C TV platform and remote computer are among the network of an intercommunication, and after 3C TV platform and remote computer had connected, platform just can communicate with one another.At first, server can send network packet to the terminal of television set, and these packets have comprised the content of remote computer desktop this moment.The 3C TV set platform receives these packets, and it is parsed, and calls local graphics system MINIGUI at last these desktop contents are shown.Like this, on screen of TV set, will demonstrate the desktop of remote computer now, just can utilize desktop that long-range computer is controlled.
See also Fig. 7, how the son explanation is controlled the remote machine computer for example below.Such as, on screen of TV set, the mouse that provides with the ATI hardware platform is to an operation that file is double-clicked on the screen, at this time, the operation meeting of double-clicking is delivered to software platform LINUX operating system by the infrared driving of ATI platform, is delivered to our graphics system MINIGUI afterwards again by LINUX operating system.MINIGUI in the operation that receives double-click after, can be dealt into the incident of double-clicking in the message queue of oneself.Like this, just can know in the event loop mechanism of MINGUI that the user has carried out the operation of double-clicking at this moment, also can obtain the position that the user double-clicks simultaneously.The operation of double-clicking with and the position according to the corresponding network packet of protocol encapsulation one-tenth of remote desktop, again these packets are sent to remote computer.After remote computer has been received this packet, packet is carried out the decompress(ion) analysis, just known that the user has carried out the operation of double-clicking this moment on file, just will open this document.So should demonstrate the file that is opened this moment on the table, just the content of desktop need change.At this time, remote computer will be packaged into corresponding bitmap to altered desktop contents, and the packet of font or the like is dealt into the terminal of 3C television set.After the 3C television set has been received these data, will be shown the graphics system MINIGUI of these data utilization this locality.So, file just has been opened in the terminal of television set.
As mentioned above, the process of such circulation has been finished in the control of 3C TV set platform to remote computer.
Claims (7)
1. realize the control method of remote desktop it is characterized in that this method includes following steps by TV set platform for one kind:
A, be to create and being connected of remote computer respectively by the network address, set up the client-side program of remote desktop in the terminal of TV set platform, utilize IP address and serve port, pass through ICP/IP protocol, through shaking hands of both sides, foundation is connected with the TCP of remote computer;
The protocol data that b, parsing remote computer are come; Data comprise following several:
(1) data bitmap bag, the data bitmap bag has comprised the content of the bitmap that was compressed, and we come out the data decompression of bitmap, and bitmap are shown according to the agreement of remote desktop.In the agreement of remote desktop, the most image information of service end desktop all is split into some data bitmaps and sends; (2) palette data bag, palette are the bases of drawing, and graphics system is drawn according to palette; (3) mouse data bag, the mouse data bag has comprised the information about all of mouse, and (4) character font data bag, character font data bag have provided the font of all fonts of service end desktop, and size also has the content of literal; (5) voice data bag, voice data bag have comprised form and the content of sound and the sample rate of sound of sound
C, call local graphics system and the desktop contents that parses is handled and shown,
The input of d, reception TV user keyboard and mouse,
E, by the input of network to the remote computer feedback user, the control information of TV coding packing, send to remote computer.
2. the control method that realizes remote desktop by TV set platform as claimed in claim 1, it is characterized in that wherein in the process of step a, the client-side program that the terminal of 3C TV set platform is set up remote desktop is to utilize the MINIGUI graphics system, the interface of user's input is accepted in foundation, allow the user import the IP address or the domain name of remote computer, utilize IP address and serve port afterwards, pass through ICP/IP protocol, through shaking hands of both sides, foundation is connected with the TCP of remote computer.
3. the control method that realizes remote desktop by TV set platform as claimed in claim 1, it is characterized in that concrete processing mode is: mixed-media network modules mixed-media is sent to data the dissection process module of system, this dissection process module comprises a decompression processing device, and one resolves a buffer and a desktop restoring device; The decompression processing device is responsible for the packet of receiving is carried out decompression, and send the parsing buffer graph data, send the acoustic processing module voice data, resolve buffer and receive all graph datas, and complete data packet group sent to the desktop restoring device, the desktop restoring device is drawn out the desktop picture according to bitmap/palette/information such as mouse/font, and send pattern process module picture.
4. the control method by TV set platform realization remote desktop as claimed in claim 1 is characterized in that the graphics system of its step c adopts MINIGUI to show support.
5. the control method by TV set platform realization remote desktop as claimed in claim 1 is characterized in that utilizing infrared driving to receive afterwards by the terminal input at keyboard or remote controller; After having received corresponding key, we deliver to key the processing procedure of MINGUI graphics system again, event loop process by graphics system has obtained corresponding keypad information and mouse message at last, these information are passed to long-range computer, computer remote is controlled with realization.
6. the control method that realizes remote desktop by TV set platform as claimed in claim 1, it is characterized in that its step e first step at first will translate into the corresponding protocol code value to key and mouse event, again the protocol encapsulation one-tenth corresponding network packet of agreement code value, at last network packet is sent to remote computer server afterwards according to remote desktop.
7. the control method that realizes remote desktop by TV set platform as claimed in claim 6, it is characterized in that concrete way is: the key of user's input is transferred into the encoding process module of system, this encoding process module comprises a code value transducer, a coding buffer, a compression processor.The code value transducer is translated into user's input key code information corresponding code value and is sent the coding buffer according to RDP agreement code value standard, the coding buffer receives conversion back code value, and compression processor is sent in grouping, compression processor compresses processing to the code value group of receiving, and the SCN Space Cable Network module is carried out the network packet encapsulation.
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