CN106302366B - A kind of data transmission method, device and intelligent television system - Google Patents

A kind of data transmission method, device and intelligent television system Download PDF

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Publication number
CN106302366B
CN106302366B CN201510319957.7A CN201510319957A CN106302366B CN 106302366 B CN106302366 B CN 106302366B CN 201510319957 A CN201510319957 A CN 201510319957A CN 106302366 B CN106302366 B CN 106302366B
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China
Prior art keywords
input signal
client
service providing
providing device
input
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CN201510319957.7A
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CN106302366A (en
Inventor
米杨
罗金华
徐虹杰
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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Priority to CN201510319957.7A priority Critical patent/CN106302366B/en
Priority to PCT/CN2016/084599 priority patent/WO2016197862A1/en
Publication of CN106302366A publication Critical patent/CN106302366A/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof

Abstract

The embodiment of the present application provides a kind of data transmission method, device and intelligent television system, to realize that the cloud to user's control responds.The method includes: that service providing device generates virtual input device after establishing connection with client；The input signal that the client is sent is received, the virtual input device is written into input signal, incoming event is corresponded to the input signal by the virtual input device and is distributed to respond the input signal；The response message that will be responsive to the input signal feeds back to the client.Scalability is higher, and treatment process is fairly simple, realizes and quickly responds to the cloud of user's control.

Description

A kind of data transmission method, device and intelligent television system
Technical field
This application involves Internet technical fields, more particularly to a kind of input transmission method, a kind of data transmission device With a kind of intelligent television system.
Background technique
With more more and more universalization of intelligent operating system, webtv box has also gradually come into huge numbers of families, game, sound Happy, video, the new content and technology such as equipment interconnection brings the parlor recreation experience become better and better to user.Web TV Box is also smart television box, is the equipment of connection a television set and internet.Television set is connected by webtv box and is interconnected Net watches network TV program.Therefore, " webtv box " can regard one as and obtain video program by internet " set-top box ".
Webtv box is when providing data service for user, it is sometimes desirable to cooperate with the server in cloud, but service Device will carry out a series of processing operation to the input signal of webtv box and be transferred to hardware feeding back, and treatment process compares Cumbersome, scalability is relatively low.
Summary of the invention
The technical problem to be solved in the embodiments of the present application is that a kind of data transmission method is provided, to realize to user's control Cloud response.
Correspondingly, the embodiment of the present application also provides a kind of data transmission devices and a kind of intelligent television system, to protect Demonstrate,prove the realization and application of the above method.
To solve the above-mentioned problems, this application discloses a kind of data transmission methods, comprising: service providing device with visitor Family end generates virtual input device after establishing connection；Receive the input signal that the client is sent；Institute is written into input signal Virtual input device is stated, incoming event is corresponded to the input signal as the virtual input device and is distributed described in response Input signal；The response message that will be responsive to the input signal feeds back to the client.
Optionally, further includes: the service providing device after actuation monitors port；It receives and believes from the port Number long connection is established with the client；Then the service providing device generates virtual input after establishing connection with client and sets It is standby, comprising: after the long connection is successfully established, virtual input device is generated in user's space.
Optionally, described that virtual input device is generated in user's space, comprising: starting input equipment；It is set by driving It is standby to add event type to the input equipment, the essential information of the virtual input device is written；According to the input equipment Virtual input device is generated in the user's space.
Optionally, incoming event is corresponded to the input signal as the virtual input device to be distributed described in response Input signal, comprising: the virtual input device determines the corresponding incoming event of the input signal；By the incoming event point It issues upper layer application or operating system carries out response processing, generate corresponding response message.
Optionally, after the input signal for receiving the client transmission, further includes: solved to the input signal It is close；The input signal of the decryption is mapped to corresponding key value information according to presetting rule；The virtual input device determines The corresponding incoming event of the input signal, comprising: the virtual input device searches the corresponding input thing of the key value information Part.
Optionally, the input signal is decrypted, comprising: the input signal of the encryption is symmetrically decrypted or Asymmetric decryption obtains the binary input signal of decryption or the key value information of decryption.
Optionally, the incoming event is distributed to upper layer application or operating system carries out response processing, generated corresponding Response message, comprising: the incoming event is distributed to upper layer application or operating system；The upper layer application or operating system obtain Take the user interface caching in response to the incoming event；Using the user interface cache coding generate corresponding transmitting stream as Response message, to show the user interface in response to input signal in the client.
Optionally, the data transmission method is applied to intelligent television system；Wherein, the intelligent television system includes: At least one server, at least one client, at least one service providing device；Wherein, the server is used for described Client distributes service providing device；The client is arranged in smart television, and the service providing device is arranged in network Side, the client for establishing connection by network provide Internet service.
Optionally, the intelligent television system further includes at least one user data information storage equipment；Described at least one A user data information storage equipment includes: at least one user partition；Wherein, at least one described user partition is respectively used to Store the corresponding user data of different clients.
Optionally, the service providing device includes: network machine top box；The Internet service, including in following extremely It is one few: live telecast, audio-video service, web service, game services.
The embodiment of the present application also discloses a kind of data transmission method, comprising: client provides with service set after actuation It is standby to establish connection；Original signal is received, determines input signal according to the original signal；Input signal is sent to the service Equipment is provided, so that service providing device responds the input information；Receive the sound of the service providing device feedback Information is answered, and display processing is carried out to the response message.
Optionally, described to determine input signal according to the original signal, comprising: according to presetting rule to the original letter Number mapping processing is carried out, obtain corresponding input signal, wherein the mapping processing includes any one of following: when detecting When stating original signal and being not belonging to the standard input signal of appointing system, the standard that the original signal is mapped to appointing system is defeated Enter signal；It determines that the original signal corresponds to key value information, the key value information is mapped to digital information as input signal.
Optionally, further includes: the standard input signal of the appointing system is subjected to binarization processing, obtains binary system Input signal；Binary input signal is subjected to symmetric cryptography or asymmetric encryption, the input signal encrypted.
Optionally, the determination original signal corresponds to key value information, comprising: detects to operating system；Surely belong to When the first operating system, the corresponding key assignments of the original signal is determined, it is corresponding to obtain the key assignments according to key value mapping table Key value information；When belonging to the second operating system, the key response of the original input signal is obtained by monitoring, according to described in Key response obtains corresponding key value information；The method further include: the digital information is subjected to symmetric cryptography or non-right Claim encryption, the input signal encrypted.
Optionally, the response message includes the transmission generated to the user interface data coding in response to input signal Stream, it is described that display processing is carried out to the response message, comprising: the transmitting stream is parsed, is shown in response to described defeated Enter the user interface of signal.
Optionally, further includes: the client maintains encryption connection according to heartbeat mode with the service providing device, It detects and executes reconnection step automatically after connection disconnects.
Optionally, the data transmission method is applied to intelligent television system；Wherein, the intelligent television system includes: At least one server, at least one client, at least one service providing device；Wherein, the server is used for described Client distributes service providing device；The client is arranged in smart television, and the service providing device is arranged in network Side, the client for establishing connection by network provide Internet service.
Optionally, the intelligent television system further includes at least one user data information storage equipment；Described at least one A user data information storage equipment includes: at least one user partition；Wherein, at least one described user partition is respectively used to Store the corresponding user data of different clients.
Optionally, the service providing device includes: network machine top box；The Internet service, including in following extremely It is one few: live telecast, audio-video service, web service, game services.
The embodiment of the present application also discloses a kind of data transmission device, comprising: input equipment virtual module, for visitor Family end generates virtual input device after establishing connection；First communication module, the input signal sent for receiving the client； And it will be responsive to the response message of the input signal and feed back to the client；Virtual responsive module, for letter will to be inputted Number write-in virtual input device, by the virtual input device to the input signal correspond to incoming event be distributed with Respond the input signal.
Optionally, the first communication module is also used to after actuation monitor port；It receives and believes from the port Number long connection is established with the client；The input equipment virtual module, for after the long connection is successfully established, with Virtual input device is generated in the space of family.
Optionally, the input equipment virtual module, for starting input equipment；It is set by driving equipment to the input Standby addition event type, is written the essential information of the virtual input device；According to the input equipment in the user's space Interior generation virtual input device.
Optionally, virtual responsive module, comprising: event determines submodule, for determining institute by the virtual input device State the corresponding incoming event of input signal；Distribute and respond submodule, for by the incoming event be distributed to upper layer application or Operating system carries out response processing, generates corresponding response message.
Optionally, the first communication module is also used to that the input signal is decrypted；The virtual responsive mould Block, further includes: mapping submodule is believed for the input signal of the decryption to be mapped to corresponding key assignments according to presetting rule Breath；The event determines submodule, searches the corresponding incoming event of the key value information for the virtual input device.
Optionally, first communication module obtains solution for symmetrically being decrypted to the input signal or asymmetric decryption The key value information of close binary input signal or decryption.
Optionally, distribute and respond submodule, for the incoming event to be distributed to upper layer application or operating system；Institute It states upper layer application or operating system acquisition is cached in response to the user interface of the incoming event；The user interface is cached and is compiled Code generates corresponding transmitting stream information in response, to show the user interface in response to input signal in the client.
The embodiment of the present application also discloses a kind of data transmission device, comprising: second communication module, for after actuation with Service providing device establishes connection；Input signal is sent to the service providing device, so that service providing device is to described Input information is responded；And receive the response message of the service providing device feedback；Receiving module is inputted, for receiving Original signal；Signal processing module, for determining input signal according to original signal；Display module, for believing the response Breath carries out display processing.
Optionally, further includes: the signal processing module, for mapping according to presetting rule the original signal Processing, obtains corresponding input signal, wherein mapping processing includes following any one: when detecting the original signal When being not belonging to the standard input signal of appointing system, the original signal is mapped to the standard input signal of appointing system；Really The fixed original signal corresponds to key value information, and the key value information is mapped to digital information as input signal.
Optionally, the signal processing module is also used to the standard input signal of the appointing system carrying out binary system Change processing, obtains binary input signal；Binary input signal is subjected to symmetric cryptography or asymmetric encryption, is obtained To the input signal of encryption.
Optionally, the signal processing module, for being detected to operating system；When belonging to the first operating system, It determines the corresponding key assignments of the original signal, obtains the corresponding key value information of the key assignments according to key value mapping table；When belonging to When two operating system, the key response of the original input signal is obtained by monitoring, and is obtained and is corresponded to according to the key response Key value information；The key value information is subjected to symmetric cryptography or asymmetric encryption, the input signal encrypted.
Optionally, the response message includes the transmission generated to the user interface data coding in response to input signal Stream, the display module show the user interface in response to the input signal for parsing to the transmitting stream.
Optionally, the second communication module is also used to maintain to encrypt according to heartbeat mode with the service providing device Connection executes reconnection step after detecting that connection disconnects automatically.
The embodiment of the present application also discloses a kind of intelligent television system, comprising: at least one server, at least one client End, at least one service providing device；Wherein, the server is used to distribute service providing device to the client；It is described Client is arranged in smart television, and the service providing device is arranged in network side, for being to establish connection by network Client provides Internet service；The service providing device includes a kind of data transmission device described in the embodiment of the present application, The client includes another data transmission device described in the embodiment of the present application.
Optionally, further includes: a few user data information stores equipment；At least one user data information storage Equipment includes: at least one user partition；Wherein, it is corresponding to be respectively used to storage different clients at least one described user partition User data.
Optionally, the service providing device includes: network machine top box；The Internet service, including in following extremely It is one few: live telecast, audio-video service, web service, game services.
Compared with prior art, the embodiment of the present application includes the following advantages:
In the embodiment of the present application, service providing device is establishing encryption connection with client to guarantee the peace of data transmission Full property carries out data transmission, and generates virtual input device then to simulate the input signal of various hardware, and scalability is higher, this Service providing device is decrypted the input signal of the encryption in the input signal for receiving the encryption that client is sent afterwards, Then the virtual input device is written into the input signal of decryption, it is corresponding to the input signal by the virtual input device Incoming event is distributed to respond the input signal and response message is fed back to client, and scalability is higher, processing Process is fairly simple, realizes and quickly responds to the cloud of user's control.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of data transmission method embodiment of the application；
Fig. 2 is the step flow chart of another data transmission method embodiment of the application；
Fig. 3 is a kind of step flow chart of the data transmission method embodiment of service providing device side of the application；
Fig. 4 is a kind of step flow chart of the data transmission method embodiment of client-side of the application；
Fig. 5 is the step flow chart of the data transmission method embodiment of another client-side of the application；
Fig. 6 is that a kind of client of the application and service provide equipment room data transmission schematic diagram；
Fig. 7 is that another client of the application and service provide equipment room data transmission schematic diagram；
Fig. 8 is a kind of structural schematic diagram of intelligent television system of the application；
Fig. 9 is a kind of structural block diagram of data transmission device embodiment of the application；
Figure 10 is a kind of structural block diagram of data transmission device preferred embodiment of the application；
Figure 11 is the structural block diagram of the application another kind data transmission device embodiment.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real Applying mode, the present application will be further described in detail.
The data transmission method of the embodiment of the present application can be applied to include client and service providing device system In, wherein service providing device can provide all kinds of services to client.For example, intelligent television system；Wherein, the intelligence Television system includes: at least one server, at least one client, at least one service providing device；Wherein, the service Device is used to distribute service providing device to the client；The client is arranged in smart television, and the service offer is set Standby to be arranged in network side, the client for establishing connection by network provides Internet service.
The intelligent television system further includes at least one user data information storage equipment；At least one described user Data information memory equipment includes: at least one user partition；Wherein, at least one described user partition is respectively used to storage not The corresponding user data with client.
The service providing device includes: network machine top box；The Internet service, including at least one of following: Live telecast, audio-video service, web service, game services.
One of the core concepts of the embodiments of the present application is that providing a kind of input transmission method, device and smart television system System, to realize that the cloud to user's control responds.Wherein, service providing device is establishing connection with client to carry out data biography It is defeated, generate virtual input device then to simulate the input signal of various hardware, scalability is higher, hereafter service providing device In the input signal for receiving client transmission, the virtual input device is written into the input signal of decryption, by described virtual defeated Enter equipment and correspond to incoming event to the input signal to be distributed to respond the input signal and feed back to response message Client, scalability is higher, and treatment process is fairly simple, realizes and quickly responds to the cloud of user's control.
Embodiment one
Referring to Fig.1, a kind of step flow chart of data transmission method embodiment of the application is shown, can specifically include Following steps:
Step 102, service providing device generates virtual input device after establishing connection with client.
The present embodiment uses service providing device and client to provide network data services for Intelligent television terminal, wherein Service providing device is also referred to as cloud terminal, is the hardware terminal that network side is arranged in, and provides network by service providing device and services institute Need various data, a kind of appearance form of client can be mounted to the APP of Intelligent television terminal (application program, Application), the data that client provides network are decoded and show.Wherein, each service providing device and client End can not have unique corresponding relationship, but be visitor when client request provides network server by service providing device A service providing device is temporarily distributed at family end, after service providing device and client establish connection after dispensing, in the connection phase Between service providing device be the clients providing data service.Wherein, client and service providing device can establish encryption and connect Both it connects, such as encryption connection is established by SSL (Secure Sockets Layer, Secure Socket Layer) mode, thus pass through Between encrypted tunnel transmit data, guarantee data transmission safety.
In the present embodiment, the data cached of user interface (User Interface, UI) is stored in service providing device side, The corresponding interface UI is provided for the client to show.Service providing device is obtained from framebuffer device (Frame Buffer) UI caching, then caches UI and encodes according to preset coded format, the UI caching after being encoded, such as using h.264 Coding.Again using the UI caching after the coding by real time streaming transport protocol (Real Time Streaming Protocol, RTSP TS stream) is generated using streaming mode, TS stream is pushed to client to show corresponding user interface in the client.
In the embodiment of the present application, user interface shown by client-side be can for the various network services of user, such as It on a user interface may include the service functions such as each menu option or icon, for example, HD video, super clear TV, Software download, game, service for life (such as pay the fees, do shopping) etc., to can freely be seen on TV by the client user It sees high-definition movie TV, play somatic sensation television game, hot topic large size 3D game, shopping at network, payment water power coal expense etc. function.With After family selects the icon or menu of a certain function, the corresponding interface UI can be gone successively to and execute operation, such as play high definition view It can choose local or Internet resources etc. when frequency.
For the interface UI shown by client, user can be controlled by the external device of remote controler, such as be selected Some function, into next stage interface etc., and since the interface UI is the transmitting stream parsing display based on service providing device, because This is also executed the control response at the interface UI by service providing device.Service providing device is established with client in the present embodiment After connection, in advance in the virtual input equipment of user's space, by the virtual input device analog hardware input signal, in system The input signal of injection user corresponds to incoming event and is distributed, to realize service providing device to the sound of user's control It answers.
Step 104, the input signal that the client is sent is received.
Service providing device receives the input signal that client is sent, which includes user to service providing device The corresponding signal of UI Interface Control of display.
Step 106, the virtual input device is written into input signal, the input is believed by the virtual input device Number corresponding incoming event is distributed to respond the input signal.
The virtual input device is written into input signal and determines corresponding incoming event, then passes through virtual input device Incoming event is corresponded to input signal to be distributed, such as incoming event is distributed to system or application etc. and is handled, thus Input signal is responded, corresponding UI caching coding generation TS stream is such as obtained and feeds back to client, realize to user's control Cloud response.
Step 108, the response message that will be responsive to the input signal feeds back to the client.
Response is carried out to input signal and generates corresponding response message, response message is then fed back into client, so that Client carries out corresponding processing to response message and such as shows.
In conclusion service providing device is establishing encryption connection with client to carry out data transmission, then generate empty Intend input equipment to simulate the input signal of various hardware, scalability is higher, and hereafter service providing device is receiving client The virtual input device is written in input signal by the input signal of transmission, is believed by the virtual input device the input Number corresponding incoming event is distributed to respond the input signal and response message is fed back to client, scalability compared with Height, treatment process is fairly simple, realizes and quickly responds to the cloud of user's control.
It is above-mentioned to discuss response processing of the service providing device to user's control in data transmission procedure, client is discussed below The transmission rate-determining steps of the input signal of end side.
Referring to Fig. 2, the step flow chart of another data transmission method embodiment of the application is shown, specifically can wrap Include following steps:
Step 202, client establishes connection with service providing device after actuation.
Client can distribute service providing device to system request after actuation, in the service providing device for determining distribution After can establish connection with service providing device.
Data are provided to show phase in client-side by service providing device after client is connect with service providing device The interface UI answered, therefore user interface can be cached after being encoded and generate transmitting stream (Transport by service providing device Stream, TS) it is sent to client, client can parse the transmitting stream after receiving transmitting stream and then be generated accordingly Parsing data, display is carried out to showing corresponding user interface to parsing data.Wherein, it is stored in service providing device UI caching includes the various contents shown on the client, such as the main interface UI, shown various APP and APP in the interface UI Corresponding interface UI etc. after unlatching, i.e. client are locally displayed but do not store the main interface UI, also do not store in APP of installation etc. Hold.
Step 204, original signal is received, determines input signal according to original signal.
For the interface UI shown by client, user can be controlled by the external device of remote controler, such as be selected Some function, into next stage interface etc., and since the interface UI is the transmitting stream parsing display based on service providing device, because This is also executed the control response at the interface UI by service providing device.
Therefore client can receive the original signal that user is sent by external device, such as include for controlling the interface UI The signal of variation for another example includes for controlling the control signal etc. for playing switching.Client is determined according to the original signal and is corresponded to Input signal.
Step 206, input signal is sent to the service providing device, so that service providing device believes the input Breath is responded.
The input signal is sent to service providing device, so that service providing device responds the input signal, Corresponding response message is generated, such as generation corresponds to TS stream in response to the UI of the input signal and feeds back to client.
Step 208, the response message of the service providing device feedback is received, and the response message is carried out at display Reason.
The response message for receiving service providing device feedback, then carries out display processing to the response message, such as the response Information is TS stream, then shows the corresponding interface UI.
In conclusion service providing device is establishing connection with client to carry out data transmission, client is to received Original signal, which is handled to obtain input signal, is sent to service providing device, carries out service providing device to the input information Response carries out display processing to response message to client, realizes and quickly responds to the cloud of user's control.
Embodiment two
On the basis of the above embodiments, the present embodiment continues to discuss the biography of the data between service providing device and client Transmission method.
Referring to Fig. 3, the step of showing a kind of data transmission method embodiment of service providing device side of the application stream Cheng Tu can specifically include following steps:
Step 302, service providing device after actuation monitors port.
Step 304, signal is received from the port and the client establishes long connection.
Step 306, after the long connection is successfully established, virtual input device is generated in user's space.
Service providing device will start SSL Socket Server after actuation and monitor designated port, receive from the port Connection signal and the client establish long connection.After long connection is successfully established, service providing device generates in user's space Virtual input device.For example, using the virtual input equipment/dev/input/Ali-vinput of Uinput.
Wherein, SSL Socket Server is the server application that service providing device is used to receive encryption input signal. Uinput is the kernel interface that linux is used to realize user's space input equipment, can virtually be inputted in user's space using it Equipment injects incoming event into system.
It is described that virtual input device is generated in user's space in one alternative embodiment of the application, comprising: starting input Equipment；Event type is added to the input equipment by driving equipment, the essential information of the virtual input device is written；According to Virtual input device is generated in the user's space according to the input equipment.
Start input equipment Uinput first, event type is added to Uinput by driving equipment, such as KeyEvent, mouse Mark event etc. and acceptable event value etc., then the essential information of the virtual input device, such as device name is written, Then virtual input device is generated in the user's space according to the input equipment.
For example, virtual input device can create with the following method: by taking android system as an example, using open ("/ Dev/uinput ", O_WRONLY | O_NONBLOCK) opening/dev/uinput equipment acquisition fd；Reuse ioctl (fd, UI_ SET_EVBIT, EV_XXX) addition event type, including synchronous event, KeyEvent, mouse event, touch event etc.；Registration The value of acceptable event, the x and y coordinates etc. of key assignments, mouse and touch event including keyboard；Initialize uinput_user_ The variable uidev of dev type saves the essential information to virtual equipment, including implementor name and bus type etc. in the variable； It will be to virtual facility information write-in/dev/uinput equipment using write (fd, &uidev, sizeof (uidev))；It uses Ioctl (fd, UI_DEV_CREATE) generates virtual unit.
Wherein, fd refers to filec descriptor, and the filec descriptor for obtaining equipment could operate equipment, and fd refers in the present embodiment To/dev/uinput equipment.Ioctl is the function being managed in device driver to the I/O channel of equipment, ginseng Number is command name, and sizeof (uidev) is parameter needed for ordering, and can be arranged in actual treatment with sizeof (uidev) The parameter can also be not provided with the parameter, execute UI_SET_EVBIT life to equipment pointed by fd by the ioctl function It enables, EV_XXX is the parameter of order, adds event type with this.Write function is used to that number is written to equipment pointed by fd According to uidev is the first address of data, and sizeof (uidev) is size of data.
Step 308, the input signal for receiving the encryption that the client is sent, solves the input signal of the encryption It is close.
Step 310, the virtual input device is written into the input signal of decryption.
Step 312, the virtual input device determines the corresponding incoming event of the input signal of the decryption；
Step 314, the incoming event is distributed to upper layer application or operating system carries out response processing, generated corresponding Response message.
The input signal for receiving the encryption that the client is sent, is decrypted the input signal of the encryption, then Virtual input device is written into the input signal of decryption.Determine that the input signal of the decryption is corresponding by the virtual input device Incoming event, and incoming event is distributed, can be with information such as the type of incoming event, application scenarios by incoming event point It issues upper layer application or operating system carries out response processing, generate corresponding response message.
In one alternative embodiment of the application, the input signal of the encryption is decrypted, comprising: to the encryption Input signal is symmetrically decrypted or asymmetric decryption, obtains the binary input signal of decryption or the key value information of decryption.
The input signal for receiving the encryption that the client is sent, is decrypted the input signal of the encryption, wherein According to preset encryption and decryption mode, the input signal of the encryption can symmetrically be decrypted or asymmetric decryption, obtain decryption Binary input signal or the key value information of decryption.
In the present embodiment, there may be multiple types for the input signal obtained after service providing device decryption, for example specified The standard input signal of system is for another example the key value information etc. after mapping, can set according to specific requirements, or according to demand Input signal after decryption is converted, required input information is obtained.
In another alternative embodiment of the application, after the input signal of the encryption is decrypted, further includes: according to The input signal of the decryption is mapped to corresponding key value information by presetting rule；The virtual input device determines the decryption The corresponding incoming event of input signal, comprising: the virtual input device searches the corresponding incoming event of the key value information.
It can also be digital information for the input signal of decryption in the present embodiment, can preset the digital information at this time Mapping table map it onto corresponding key value information, such as according to preset agreement by the anti-Map of digital information at key value information.When defeated When entering signal and showing as the form of key value information, virtual input device can search the corresponding incoming event of the key value information, Then incoming event is distributed.
One of virtual input device is as follows to the treatment process of input signal: by taking android as an example, can be divided into following Several steps:
1, the EventHub of hardware abstraction layer (Hardware Abstraction Layer, HAL) is supervised by epoll mechanism Listen/dev/input/ catalogue under all devices filec descriptor variation, once have incoming event write device, EventHub The event can be read；
2, it is flat to be converted into android after reading in original input event from EventHub by Framework layers of InputReader The incoming event of platform, then incoming event is passed into InputDispatcher；
3, case distribution to upper layer application or is by InputDispatcher according to the difference of incoming event and scene System, such as Home key and Power key can transfer to system processing rather than upper layer application, and directionkeys etc. can be transferred to using processing.
Incoming event to be inputted by virtual input device analog hardware is distributed to generate to incoming event Corresponding response message.
In the present embodiment, since the interface UI that client is shown is the TS stream parsing display sent according to service providing device , thus control of the user to the interface UI such as selects a certain function, or installs the controls such as APP operation wherein, seem be What client-side executed, be actually that will input information to be sent to service providing device, is executed by service providing device corresponding Control and feedback response TS stream.
In one alternative embodiment of the application, the incoming event is distributed to upper layer application or operating system responds Processing, generates corresponding response message, comprising: the incoming event is distributed to upper layer application or operating system；The upper layer Using or operating system obtain in response to the incoming event UI cache；The UI is cached into coding and generates corresponding TS stream work For response message, to show the interface UI in response to input signal in the client.
Incoming event is corresponded to for input signal, which can be distributed to corresponding upper layer and answered by virtual input device With or operating system, then upper layer application or operating system obtain the UI in response to the incoming event and cache, such as input thing Part is to select a certain function, then UI caching can be the caching of the corresponding interface content of the function, and for another example incoming event is installation One APP then installs the APP in service providing device side, and UI caching is that the APP is installed corresponding UI caching.
Step 316, response message is fed back to client by service providing device.
Then coding is carried out to UI caching and fluidization treatment generation TS flows information in response and feeds back to client.From And service providing device is transferred to by input signal, service providing device respond simultaneously anti-the input signal It feeds client, the cloud of user's control is responded to realize.
The above-mentioned service providing device side that discusses continues to discuss to client the response of step of user's control by embodiment The data transmission method of end side.
In one alternative embodiment of the application, after the reception original signal, comprising: according to presetting rule to the original Beginning signal carries out mapping processing, obtains corresponding input signal.Original signal i.e. received for client can pass through mapping Processing obtains the input signal that can be identified by service providing device, wherein the type of the input signal mapped can have It is a variety of, such as the standard input signal of appointing system, for another example digital information etc..
By taking the standard input signal of client transmissions appointing system is to service providing device as an example, following step is specifically included It is rapid:
Referring to Fig. 4, a kind of step flow chart of the data transmission method embodiment of client-side of the application is shown.
Step 402, client establishes encryption connection with service providing device after actuation.
Meeting request server is that it distributes service providing device after client terminal start-up, and then client can be with the service of distribution Equipment is provided and establishes connection, is i.e. starting SSL Socket Client, is built with the SSL Socket Server of service providing device Vertical TCP long connection.Wherein, SSL Socket Client is that client is used to transmit encryption input signal to service providing device Client application.
In one alternative embodiment of the application, client maintains encryption to connect with the service providing device according to heartbeat mode It connects, executes reconnection step automatically after detecting that connection disconnects.
Client and service providing device can be used heartbeat and maintain connection, and client detects disconnected with service providing device Lian Houhui Auto-reconnect, wherein data transmission use SSL encryption.
Step 404, original signal is received.
Step 406, the standard input signal whether original signal belongs to appointing system is detected.
After client analysis service provides the TS stream display interface UI of equipment transmission, it can receive user and pass through external device The original signal of sending, then detect the standard input signal whether original signal belongs to appointing system.
Wherein, which is operating system used by service providing device, then the standard of appointing system inputs letter It number is the input signal that can identify of operating system of service providing device, for example Linux standard input signal etc..
If so, being the standard input signal that the original signal belongs to appointing system, step 410 is executed.
If it is not, being the standard input signal that the original signal is not belonging to appointing system, step 408 is executed.
Step 408, the original signal is mapped to the standard input signal of appointing system.
When the original signal is not belonging to the standard input signal of appointing system, according to presetting rule to the original signal into The original signal, is mapped to the standard input signal of appointing system by row mapping processing.
Step 410, the standard input signal of the appointing system is subjected to binarization processing, obtains binary input Signal.
Step 412, binary input signal is subjected to symmetric cryptography or asymmetric encryption, the input encrypted Signal.
Step 414, the input signal of encryption is sent to the service providing device.
The standard input signal of the appointing system is subjected to binarization processing, i.e., is converted into the standard input signal Binary message obtains binary input signal.Binary input signal is encrypted again, wherein according to SSL The cipher mode determined when encryption connection is established carries out symmetric cryptography or asymmetric encryption, thus the input signal encrypted. Then the input signal of the encryption is sent to service providing device, so that service providing device is responded thereto feedback corresponding Response message such as corresponds to TS stream in response to the interface UI of control.As client uses SSL Socket Client by input signal It is encrypted after carrying out binarization, passes to the SSL Socket Server of service providing device.
Step 416, the response message of the service providing device feedback is received.
Client receives the response message of service providing device feedback, wherein the response message includes in response to defeated Enter the transmitting stream that the user interface caching coding of signal generates.
Step 418, the transmitting stream is parsed, shows the user interface in response to the input signal.
Client is parsed by the transmitting stream that player feeds back service providing device, is shown in response to the input The user interface of signal, the function of such as entering selection correspond to the interface UI, for another example show installation successful interface UI APP etc..
Existing input signal Signal Transparent Transmission Technology is usually to be realized by upper layer application, is had the following problems: first is that removable Plant property is poor, second is that supporting virtual unit type few, third is that safety is poor, fourth is that transmission efficiency is low.
And in the embodiment of the present application, first to various system platforms used by client, input signal can be mapped It is transferred to service providing device for the input signal of Linux, it is portable preferable.Secondly service providing device uses virtual Input equipment technology, directly by input signal write device, analog hardware input signal can simulate known all inputs Equipment, such as touch screen, keyboard, remote controler, mouse support virtual unit type more, and scalability is preferable.Again, client Equipment room is provided with service to encrypt transmission data using SSL, guarantees the reliability of data transmission, solves input signal The problems such as easy quilt is maliciously kidnapped, and user password is revealed, safety is higher.Again, when using character string transmission signal, with For " 128 ", 3 bytes are needed using character string, and the application needs 1 byte using binary transmissions signal, mentions significantly High-transmission efficiency can work normally in the case of poor network conditions.
Using client transmissions key value information be mapped to digital information as input signal to service providing device for, specifically Include the following steps:
Referring to Fig. 5, the step flow chart of the data transmission method embodiment of another client-side of the application is shown.
Step 502, client establishes encryption connection with service providing device after actuation.
Meeting request server is that it distributes service providing device after client terminal start-up, and then client can be with the service of distribution Equipment is provided and establishes connection, is i.e. starting SSL Socket Client, is built with the SSL Socket Server of service providing device Vertical TCP long connection.Wherein, SSL Socket Client is that client is used to transmit encryption input signal to service providing device Client application.Client and service providing device can be used heartbeat and maintain connection, and client is detected to be provided with service Meeting Auto-reconnect after equipment disconnection, wherein data transmission use SSL encryption.
Step 504, original signal is received.
Step 506, operating system is detected.
After client analysis service provides the TS stream display interface UI of equipment transmission, it can receive user and pass through external device The original signal of sending, and the operating system of client (Operating System, OS) is detected, when client is the When one operating system, step 408 is executed；When client is the second operating system, step 410 is executed.
For example, user issues infrared key signals by IR remote controller, client obtains infrared signal and judges itself OS type, it is assumed that the first operating system is linux, and the second operating system is android.Certain operating system can also be IOS Deng the embodiment of the present application is not construed as limiting this.
Step 508, it determines the corresponding key assignments of the original signal, obtains the corresponding key of the key assignments according to key value mapping table Value information.
When belonging to the first operating system, the corresponding key assignments of the original signal is determined, obtain institute according to key value mapping table The corresponding key value information of key assignments is stated, is such as compared infrared key assignments with map table, the meaning that infrared key assignments represents is determined, i.e., will Infrared key assignments Map is at corresponding event.Wherein, key can be mapped to the object of value by Map.
Step 510, the key response that the original input signal is obtained by monitoring, according to key response acquisition pair The key value information answered.
When belonging to the second operating system, the key response of the original input signal is obtained by monitoring, according to described in Key response obtains corresponding key value information, monitors key response such as start button and obtains key-press event, then obtains the key The corresponding key value information of event.
Step 512, the key value information is mapped to digital information as input signal.
Step 514, the key value information is subjected to symmetric cryptography or asymmetric encryption, the input signal encrypted.
Step 516, the input signal of encryption is sent to the service providing device.
Above-mentioned key value information is mapped to digital information as input signal, then to key value information carry out symmetric cryptography or Asymmetric encryption, the input signal encrypted.For example, then will by key value information according to preset protocol Map at digital information Digital information is encrypted to ciphertext according to Encryption Algorithm, such as by data encryption standards (Data Encryption Standard, DES) mode is encrypted, the input signal encrypted.Then the input signal of encryption is sent to the service and provided and set It is standby.Such as, the input signal of encryption is sent to service providing device using SSL Socket Client by IP network.
Step 518, the response message of the service providing device feedback is received.
Client receives the response message of service providing device feedback, wherein the response message includes in response to defeated Enter the transmitting stream that the user interface caching coding of signal generates.
Step 520, the transmitting stream is parsed, shows the user interface in response to the input signal.
Client is parsed by the transmitting stream that player feeds back service providing device, is shown in response to the input The user interface of signal, the function of such as entering selection correspond to the interface UI, for another example show installation successful interface UI APP etc..
The interface UI of active client and to the control of interface content transported in the operating system of client local Row is pressed key control without realizing the cloud response control to operating system, and for UI, is generally also adopted locally With a kind of implementation of terminal device of a remote control control.
For the present embodiment using powerful background server by operating system cloud, which refers to visitor UI respective operations system shown by the end of family is located in the service providing device in cloud, therefore for the control at the interface UI such as APP Installation be realized in service providing device side, and client parsing, display.Due to being that service providing device realizes behaviour The remote key-press operation etc. making system and corresponding control, therefore being related between various types client and service providing device Input control.The present embodiment can be compatible on the key between a variety of existing different types of clients and service providing device Report etc. input signals transmission, and by custom protocol by after key map (key to be mapped to the object of value) to greatest extent Reduction transmission bandwidth, and dual safety guarantee is authenticated using key assignments algorithm for encryption and SSL certificate.
To sum up, input signal client received is transferred to service providing device after being mapped, service provides Equipment, can be virtual using virtual input device without the driving of other input equipments is installed without connecting other input equipments Input in client is no different with inputting directly in service providing device, and signal transmission uses SSL encryption, it is ensured that transmission Safety.
Embodiment three
On the basis of the above embodiments, the interaction citing of the present embodiment combination service providing device and client, which is discussed, is somebody's turn to do Data transmission method.
1, to the transmission of the standard input signal of specified operating system.
Referring to Fig. 6, a kind of client and service for showing the application provide equipment room data transmission schematic diagram.
6.02, client establishes encryption connection with service providing device after actuation.
6.04, service providing device generates virtual input device.
6.06, client receives original signal.
6.08, client maps to obtain the standard input signal of appointing system.
6.10, the standard input signal of the appointing system is carried out binarization processing by client, is obtained binary Input signal.
6.12, binary input signal is encrypted client, the input signal encrypted.
6.14, the input signal of encryption is sent to the service providing device by client.
6.16, the input signal of the encryption is decrypted in service providing device, obtains the binary system letter of decryption Number.
6.18, the virtual input device is written in the input signal of decryption by service providing device.
6.20, the virtual input device of service providing device determines the corresponding incoming event of the input signal of the decryption.
6.22, the incoming event is distributed to upper layer application or operating system by the virtual input device of service providing device Response processing is carried out, corresponding response message is generated, the TS stream including response.
6.24, the TS stream of response is fed back to client by service providing device.
6.26, client parses the TS stream of response, shows the interface UI in response to the input signal.
In the present embodiment, a kind of form of expression of client is APP, then in order to make to configure the hardware such as more poor set-top box Equipment is able to use good service (including system UI, movie and television play, game, the various moneys such as education of service providing device offer Source), it will thus provide the service providing device of data server is put into cloud, constitutes intelligent television system with server, client etc.. To client push vision signal (display information) by way of TS flows, client parses TS stream and shows UI, and sends control Signal (input signal) processed realizes interaction to service providing device, and control signal (input signal) is transparent to clothes to realize Business provides equipment and carries out cloud response.
2, transmission of the key value information as input signal
Referring to Fig. 7, another client and service for showing the application provide equipment room data transmission schematic diagram.
7.02, client establishes encryption connection with service providing device after actuation.
7.04, service providing device generates virtual input device.
7.06, client receives original signal.
7.08, client determines the corresponding key value information of the original signal.
7.10, the key value information is mapped to digital information as input signal by client.
7.12, the key value information is encrypted client, the input signal encrypted.
7.14, the input signal of encryption is sent to the service providing device by client.
7.16, the input signal of the encryption is decrypted in service providing device, obtains the digital information of decryption.
7.18, the digital information of decryption is mapped to key value information by service providing device.
7.20, the virtual input device is written in key value information by service providing device.
7.22, the virtual input device of service providing device determines the corresponding incoming event of the key value information.
7.24, the incoming event is distributed to upper layer application or operating system by the virtual input device of service providing device Response processing is carried out, corresponding response message is generated, the TS stream including response.
7.26, the TS stream of response is fed back to client by service providing device.
7.28, client parses the TS stream of response, shows the interface UI in response to the input signal.
In the present embodiment, the UI caching stored in service providing device includes the various contents shown on the client, such as The main interface UI, corresponding interface UI etc. after shown various APP and APP are opened in the interface UI, i.e., client is locally only shown Show and do not store the main interface UI, does not also store the contents such as the APP of installation.
By taking user installs APP in the client as an example, user issues the interface UI shown to client by external device In a certain APP installation instruction after, client can obtain the installation instruction correspond to original signal by mapping, encryption etc. generate The input signal of encryption is sent to service providing device, after service providing device handles input signal interface, mapping etc., response It is installed in the data that the input signal obtains the APP at service providing device end and records corresponding APP information, and will installed It journey and installs the TS stream at the corresponding interface UI information feeds back to client and shown in response.To appear in client Being installed on the process nature of APP in end is to complete in service providing device, and client only shows service providing device The interface UI of the streaming mode of push.
After for another example user opens mounted a certain game APP by external device selection, the input of corresponding encryption is believed After number being sent to service providing device, service providing device can be obtained in response to the input signal launches into the corresponding UI of APP Caching generates TS stream, and information is sent to client and show in response, and the subsequent various control data sent for client take Business provides the corresponding TS stream of UI caching that equipment can also send response control data, and client shows UI circle in response to user's control Face.
Thus, service providing device can pre-purchase the payment such as game, video resource and use for client each in system, To which user locally can freely select above-mentioned resource to install, watch with client.
To which by service providing device, using the TS stream push interface UI, client is only parsed and shown, logical for user The control data for crossing external device will also be transmitted to service providing device, respond the control adjustment interface UI by service providing device Feed back TS stream.
Client and service providing device discussed in the various embodiments described above etc. can use following smart television system System.The intelligent television system may include: client, dispatch server and service providing device.Wherein, client is that one kind can Terminal with the APP application program for using service providing device to provide, e.g., set-top box, intelligent mobile terminal, PAD (Portable Android Device tablet computer), the smart television with decoding function etc..The service providing device can be it is multiple, Beyond the clouds as server-side setting, service remotely is provided for the client.Dispatch server is receiving client application clothes After business provides the request of equipment, a clothes can be selected from multiple service providing devices in cloud according to setting allocation strategy Business provides equipment and distributes to the client.
What needs to be explained here is that service providing device can be used as hardware device setting and exist in the scheme of the application Cloud, software (application program) may be mounted in service providing device, and service providing device can be beyond the clouds by types of applications The user interface (User Interface, UI) of program carries out compressed encoding, and client has basic decoding capability can be to user Show the user interface of application program, realizes the operation to types of applications program.In other words, with traditional intelligent television system The difference is that software (application program) is no longer mounted in set-top box, and is mounted in service and is mentioned in the scheme of the application For providing service by service providing device for user in equipment.Due to no longer needing by software installation in set-top box, therefore can Set-top box is no longer separately provided.For example, if the client is intelligent mobile terminal or the smart television with decoding function When, then directly intelligent mobile terminal (or smart television with decoding function) can be connected with the service providing device It connects, user does not need independent purchase/setting set-top box, has saved user cost；Meanwhile intelligent mobile terminal (or there is decoding The smart television of function) it is directly interacted with the service providing device, interactive efficiency is improved, is reduced to set-top box It safeguards step, reduces the occupancy to resource.Certainly, to the scheme of existing set-top box the application with basic decoding capability It stands good.Further, the dispatch server can refer to a server, may also mean that and be equal to the scheduling clothes The server farm of the multiple servers composition for device function of being engaged in.
In the application, a kind of framework of preferred intelligent television system shows the application's as shown in figure 8, referring to Fig. 8 A kind of architecture diagram of intelligent television system.In the present embodiment, the intelligent television system can specifically include: at least one sets Standby server (device server 801 as shown in Figure 8), at least one dispatch server (dispatch server as shown in Figure 8 And at least one client (client 803 as shown in Figure 1) 802).It wherein, include at least one in each device server Service providing device (service providing device 804 in device server 801 as shown in Figure 8).
Moreover it is preferred that the intelligent television system can also include: that at least one management server is (as shown in Figure 8 Management server 805) and at least one user data information storage equipment (user data information storage equipment as shown in Figure 8 806).It should be noted that the user data information storage equipment is used for storing user data information, a user can be right A dedicated user data information storage equipment is answered, multiple users can also share the same user data information storage and set It is standby, the present embodiment to this with no restriction.Wherein, the user data information storage equipment can be physical equipment, be also possible to Logical device can also be the equipment that physics and logic combine.For example, can wrap in the user data information storage equipment Include at least one user partition (user partition 807 as shown in Figure 8), the user of each user partition one user of corresponding storage Data information.
In the present embodiment, client 803 can be hardware device as described above, and e.g., set-top box, intelligent mobile are whole End, PAD, smart television with decoding function etc..Preferably, the client 803 is also possible to be located at Intelligent television terminal Side can be rendered as the form of APP (application program, Application) loaded in Intelligent television terminal, intelligence here Television terminal can specifically include: set-top box, mobile terminal, intelligent TV set etc..On the one hand, client 803 can be used for playing The user interface that is parsed of transmitting stream (Transport Stream, TS) that service providing device 804 is sent, and play from The multi-medium data (such as vision signal, audio signal) obtained in other network servers；On the other hand, client 803 can For the input message that monitoring users are generated by the input units such as remote controler, and the input message is sent to service provides and set Standby 804 or dispatch server 802.To which user interface shown by client 803 is pushed by service providing device 804, visitor Family end 803 only parses and shows, and client 803 received user to user Interface Control input message, can also forward To service providing device 804 so that it adjusts user interface accordingly.
Service providing device 804 is located at network side, wherein each service providing device can specifically include: hardware board The software module carried with hardware board.It should be noted that in the present embodiment, types of applications program can be mounted directly In service providing device, user can be provided service by the corresponding user interface of application program that client 803 shows Application program in equipment 804 carries out operations, it is no longer necessary to which the separately installed application program in client 803 is convenient for skill Art personnel carry out unified maintenance to the intelligent television system, reduce workload, improve maintenance efficiency.
User partition 807 is located at network side, and generally, each user is corresponding with a user partition, the use of each user User data information is saved under corresponding user partition.Further, each user partition has only one address information, The address information can indicate the specific address of corresponding user partition, can quickly find use by the address information Family subregion completes the calling of user data information.In other words, dispatch server 802 (or, management server 805) can be only Address information (data volume is smaller) is safeguarded, and does not have to safeguard entire user data information (data volume is larger), The data volume for reducing maintenance, reduces resource occupation, improves system operational speed, and, data information is convenient for lookup.
Dispatch server 802 is located at network side, is mainly used for the input message sent according to client 803, distributes one Idle, in good condition service providing device 804 is docked with client 803；Meanwhile it can be by the corresponding user point of User ID Area is mounted in distributed service providing device 804, that is, each user partition can be corresponding with unique User ID, Such as user partition A corresponds to user A, in this way, user A client 803 with upper sub-distribution, number be 001 service After offer equipment disconnects, even if connection next time is to number the service providing device for being 002, user A still be can be used User partition A, and the data such as historical record before can be used；
Management server 805 is located at network side, can be used for being managed all service providing devices, the management tool Body may include: state reporting, heartbeat management, sets a property, obtain attribute, Wake on LAN, soft reboot, restart firmly；As it can be seen that Management server 805 can be used as remote server, is realized using the technical solution of the application in wide area network and is set to service offer Standby Wake on LAN.
In the embodiment of the present application, service providing device is referred to as cloud box or OTT set-top box, has quality services energy Power can provide various functions such as HD video, free game etc. for user, wherein OTT, that is, Over The Top refers to logical It crosses internet and provides a user various application services.Service providing device with OTT function is integrated into device server, is led to Video streaming technology is crossed, the function of service providing device is passed through in network transmission to the equipment such as common set-top box, smart television, Allow to use the high-touch feature of OTT in the case where not upgrading hardware.
Various functions in service providing device with good service ability can be transferred to peace by streaming mode Loaded in the client in common low-end set top boxes or smart television, client shows that TS flows the corresponding interface UI, wherein service The function of providing equipment includes but is not limited to: game, application, film, TV play, education, Video chat, K song etc..
Wherein, the system requirements of the common set-top box for installation client or smart television is lower, such as, it is desirable that it is common Set-top box has the ability for playing RTSP 720P video flowing, for another example, it is desirable that common set-top box needs to have the energy of access IP network Power is controlled to can upload key assignments etc. after being mounted with client.
In the present embodiment, in device server per a piece of service providing device, have stronger service ability, these clothes Business ability includes but is not limited to: stronger processing capacity, stronger graphics calculations ability, big memory, low-power consumption.Mesh can be run Preceding big game and application on the market plays the film etc. of 1080P and 2K.
And common set-top box is often more outmoded, it is not intelligent OTT set-top box first, and secondly its performance also compares It is weaker, it is not enough to run big game and application, the set-top box that client generally requires to upgrade or replace update is just able to satisfy this Partial entertainment requirements.Therefore, service providing device is able to solve the above problem.Large-scale game and application all setting beyond the clouds It is run in standby server, then is transferred to the client installed in common set-top box by RTSP video flowing and plays out, reached The purpose that high-end amusement is carried out using low-end set top boxes, can enhance the service ability of common set-top box.
Client described in the various embodiments described above can be applied to based in intelligent television system shown in fig. 8.But this Field technical staff can refer to the embodiment of the present application it should be understood that the system or server for arbitrarily needing similar resource to distribute Realize the Resource Allocation Formula of the application, the application scenarios being not limited solely under above-mentioned framework.For example, the Resource Allocation Formula It can also be applied to the tele-control system (e.g., teleeducation system) etc. to terminal.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, the embodiment of the present application is not limited by the described action sequence, because according to According to the embodiment of the present application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and related movement not necessarily the application is implemented Necessary to example.
Example IV
On the basis of the above embodiments, the present embodiment additionally provides a kind of data transmission device, the service of the present embodiment There is provided equipment includes data transmission device.
Referring to Fig. 9, a kind of structural block diagram of data transmission device embodiment of the application is shown, can specifically include as follows Module:
Input equipment virtual module 904, for generating virtual input device after establishing connection with client.
Service providing device communication module 902, the input signal sent for receiving the client, will be responsive to described The response message of input signal feeds back to the client.
Virtual responsive module 906, for the virtual input device to be written in input signal, by the virtual input device Incoming event is corresponded to the input signal to be distributed to respond the input signal.
In conclusion service providing device is establishing connection with client to carry out data transmission, then generate virtual defeated Enter equipment to simulate the input signal of various hardware, scalability is higher, and hereafter service providing device is receiving client transmission Input signal, the virtual input device is written into input signal, by the virtual input device to the input signal pair Incoming event is answered to be distributed to respond the input signal and response message is fed back to client, scalability is higher, place Reason process is fairly simple, realizes and quickly responds to the cloud of user's control.
Referring to Fig.1 0, a kind of structural block diagram of data transmission device preferred embodiment of the application is shown, specifically can wrap Include following module:
Input equipment virtual module 1004, for generating virtual input device after establishing connection with client.
First communication module 1002, the input signal sent for receiving the client will be responsive to the input letter Number response message feed back to the client.
Virtual responsive module 1006 is set for the virtual input device to be written in input signal by the virtual input It is distributed for incoming event is corresponded to the input signal to respond the input signal.
In one alternative embodiment of the application, the first communication module 1002 is also used to after actuation carry out port It monitors；Signal is received from the port and the client establishes long connection；The input equipment virtual module 1004 is used for After the long connection is successfully established, virtual input device is generated in user's space.
The input equipment virtual module 1006, for starting input equipment；By driving equipment to the input equipment Event type is added, the essential information of the virtual input device is written；According to the input equipment in the user's space Generate virtual input device.
In another alternative embodiment of the application, virtual responsive module 1006, comprising: event determines submodule 10062, uses In determining the corresponding incoming event of the input signal by the virtual input device；Distribute and respond submodule 10064, is used for The incoming event is distributed to upper layer application or operating system carries out response processing, generates corresponding response message.
In another alternative embodiment of the application, the first communication module 1004, be also used to the input signal into Row decryption；Virtual responsive module 1006, further includes: mapping submodule 10066, for according to presetting rule by the defeated of the decryption Enter signal and is mapped to corresponding key value information；The event determines submodule 10062, searches the key for virtual input device The corresponding incoming event of value information.
In another alternative embodiment of the application, first communication module 1002 is symmetrical for carrying out to the input signal Decryption or asymmetric decryption, obtain the binary input signal of decryption or the key value information of decryption.
Distribute and respond submodule 10064, for the incoming event to be distributed to upper layer application or operating system；It is described Upper layer application or operating system obtain the user interface caching in response to the incoming event；The user interface is cached and is encoded Corresponding transmitting stream information in response is generated, to show the user interface in response to input signal in the client.
Embodiment five
On the basis of the above embodiments, the present embodiment additionally provides another data transmission device, in the present embodiment on The client for stating intelligent television system may include the another kind data transmission device.
Referring to Fig.1 1, the structural block diagram of the application another kind data transmission device embodiment is shown, can specifically include Following module:
Second communication module 1102, for establishing connection with service providing device after actuation；Input signal is sent to The service providing device, so that service providing device responds the input information；And it receives the service and provides The response message of equipment feedback.
Receiving module 1104 is inputted, for receiving original signal.
Signal processing module 1106, for determining input signal according to the original signal.
Display module 1108, for carrying out display processing to the response message.
In conclusion service providing device is establishing connection with client to carry out data transmission, client is to received Original signal, which is handled to obtain input signal, is sent to service providing device, carries out service providing device to the input information Response carries out display processing to response message to client, realizes and quickly responds to the cloud of user's control.
In one alternative embodiment of the application, signal processing module 1206 is used for according to presetting rule to the original letter Number mapping processing is carried out, obtain corresponding input signal, wherein the mapping processing includes any one of following: when detecting When stating original signal and being not belonging to the standard input signal of appointing system, the standard that the original signal is mapped to appointing system is defeated Enter signal；It determines that the original signal corresponds to key value information, the key value information is mapped to digital information as input signal.
In one alternative embodiment of the application, the signal processing module 1206 is also used to the mark of the appointing system Quasi- input signal carries out binarization processing, obtains binary input signal；Binary input signal is carried out pair Claim encryption or asymmetric encryption, the input signal encrypted.
In another alternative embodiment of the application, the signal processing module 1206, for being detected to operating system； When belonging to the first operating system, the corresponding key assignments of the original signal is determined, obtain the key-value pair according to key value mapping table The key value information answered；When belonging to the second operating system, the key response of the original input signal, foundation are obtained by monitoring The key response obtains corresponding key value information；The key value information is subjected to symmetric cryptography or asymmetric encryption, is added Close input signal.
In another alternative embodiment of the application, the response message includes slow to the user interface in response to input signal The transmitting stream that coding generates is deposited, the display module 1208 is shown for parsing to the transmitting stream in response to described defeated Enter the user interface of signal.
In another alternative embodiment of the application, the client communication module 1202 is also used to provide with the service Equipment maintains encryption connection according to heartbeat mode, executes reconnection step automatically after detecting that connection disconnects.
Embodiment six
The embodiment of the present application also discloses a kind of intelligent television system, comprising: at least one server, at least one client End, at least one service providing device；Wherein, the server is used to distribute service providing device to the client；It is described Client is arranged in smart television, and the service providing device is arranged in network side, for being to establish connection by network Client provides Internet service；
The client includes data transmission device described in above-described embodiment five, and the service providing device includes above-mentioned Data transmission device described in example IV.
The system further include: a few user data information stores equipment；At least one described user data information Storing equipment includes: at least one user partition；Wherein, at least one described user partition is respectively used to storage different clients Corresponding user data.
The service providing device includes: network machine top box；The Internet service, including at least one of following: Live telecast, audio-video service, web service, game services.
Wherein, the intelligent television system and system described in above-mentioned Fig. 7 are almost the same, therefore repeat no more.
In the embodiment of the present application, first to various system platforms used by client, input signal can be mapped as The input signal of Linux is transferred to service providing device, portable preferable.Secondly service providing device uses virtual defeated Enter equipment and technology, directly by input signal write device, analog hardware input signal can simulate known all inputs and set It is standby, such as touch screen, keyboard, remote controler, mouse, support virtual unit type more, scalability is preferable.Again, client and Transmission data are encrypted using SSL between service providing device, guarantees the reliability of data transmission, solves input signal appearance The problems such as easily maliciously being kidnapped, revealing user password, safety is higher.Again, when using character string transmission signal, with For " 128 ", 3 bytes are needed using character string, and the application needs 1 byte using binary transmissions signal, mentions significantly High-transmission efficiency can work normally in the case of poor network conditions.
For the present embodiment using background server by operating system cloud, which refers to client institute The UI respective operations system of display is located in the service providing device in cloud, therefore the installation for the control at the interface UI such as APP It is to be realized in service providing device side, and client is parsed, shown.Due to being that service providing device realizes operation system System and corresponding control, therefore the input such as remote key-press operation being related between various types client and service providing device Control.The key that the present embodiment can be compatible between a variety of existing different types of clients and service providing device reports The transmission of input signal, and subtracted key map to greatest extent afterwards by custom protocol (key is mapped to the object of value) Few transmission bandwidth, and dual safety guarantee is authenticated using key assignments algorithm for encryption and SSL certificate.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiments of the present application may be provided as method, apparatus or calculating Machine program product.Therefore, the embodiment of the present application can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present application can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
In a typical configuration, the computer equipment includes one or more processors (CPU), input/output Interface, network interface and memory.Memory may include the non-volatile memory in computer-readable medium, random access memory The forms such as device (RAM) and/or Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is to calculate The example of machine readable medium.Computer-readable medium includes that permanent and non-permanent, removable and non-removable media can be with Realize that information is stored by any method or technique.Information can be computer readable instructions, data structure, the module of program or Other data.The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory techniques, CD-ROM are read-only Memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or Other magnetic storage devices or any other non-transmission medium, can be used for storage can be accessed by a computing device information.According to Herein defines, and computer-readable medium does not include non-persistent computer readable media (transitory media), such as The data-signal and carrier wave of modulation.
The embodiment of the present application is referring to according to the method for the embodiment of the present application, client device (system) and computer journey The flowchart and/or the block diagram of sequence product describes.It should be understood that flow chart and/or box can be realized by computer program instructions The combination of the process and/or box in each flow and/or block and flowchart and/or the block diagram in figure.It can provide this A little computer program instructions handle client to general purpose computer, special purpose computer, Embedded Processor or other programmable datas The processor of end equipment is to generate a machine, so that handling the place of client device by computer or other programmable datas The instruction that device executes is managed to generate for realizing in one box of one or more flows of the flowchart and/or block diagram or multiple The device for the function of being specified in box.
These computer program instructions may also be stored in be able to guide computer or other programmable datas processing client set In standby computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates Manufacture including command device, the command device are realized in one or more flows of the flowchart and/or one, block diagram The function of being specified in box or multiple boxes.
These computer program instructions can also be loaded on computer or other programmable datas processing client device, be made Execute series of operation steps on computer or other programmable client devices to generate computer implemented processing, from And the instruction executed on computer or other programmable client devices is provided for realizing in one process of flow chart or more The step of function of being specified in a process and/or one or more blocks of the block diagram.
Although preferred embodiments of the embodiments of the present application have been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and all change and modification within the scope of the embodiments of the present application.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or client device including a series of elements are not only It including those elements, but also including other elements that are not explicitly listed, or further include for this process, method, object Product or the intrinsic element of client device.In the absence of more restrictions, being limited by sentence "including a ..." Element, it is not excluded that including that there is also other identical in the process, method of the element, article or client device Element.
Above to a kind of input transmission method provided herein, a kind of input transmitting device and a kind of smart television system System, is described in detail, specific examples are used herein to illustrate the principle and implementation manner of the present application, above The explanation of embodiment is merely used to help understand the present processes and its core concept；Meanwhile for the general skill of this field Art personnel, according to the thought of the application, there will be changes in the specific implementation manner and application range, in conclusion this Description should not be construed as the limitation to the application.

Claims (35)

1. a kind of data transmission method characterized by comprising
Service providing device generates virtual input device after establishing connection with client, wherein the service providing device is The client provides the transmitting stream of user interface；
The input signal that the client is sent is received, the input signal includes the control signal of the user interface；
The virtual input device is written into the input signal, the input signal is corresponded to by the virtual input device defeated Incoming event is distributed to respond the input signal；
The response message that will be responsive to the input signal feeds back to the client.
2. the method according to claim 1, wherein further include:
The service providing device after actuation monitors port；
Signal is received from the port and the client establishes long connection；
Then the service providing device generates virtual input device after establishing connection with client, comprising: in the long connection After being successfully established, virtual input device is generated in user's space.
3. according to the method described in claim 2, it is characterized in that, described generate virtual input device, packet in user's space It includes:
Start input equipment；
Event type is added to the input equipment by driving equipment, the essential information of the virtual input device is written；
Virtual input device is generated in the user's space according to the input equipment.
4. the method according to claim 1, wherein corresponding to the input signal by the virtual input device Incoming event is distributed to respond the input signal, comprising:
The virtual input device determines the corresponding incoming event of the input signal；
The incoming event is distributed to upper layer application or operating system carries out response processing, generates corresponding response message.
5. according to the method described in claim 4, it is characterized in that, being gone back after receiving the input signal that the client is sent Include:
The input signal is decrypted；
The input signal of the decryption is mapped to corresponding key value information according to presetting rule；
The virtual input device determines the corresponding incoming event of the input signal, comprising: the virtual input device is searched The corresponding incoming event of the key value information.
6. according to the method described in claim 5, it is characterized in that, the input signal is decrypted, comprising:
The input signal of the encryption is symmetrically decrypted or asymmetric decryption, obtains the binary input signal or solution of decryption Close key value information.
7. according to the method described in claim 4, it is characterized in that, the incoming event is distributed to upper layer application or operation system System carries out response processing, generates corresponding response message, comprising:
The incoming event is distributed to upper layer application or operating system；
The upper layer application or operating system obtain the user interface caching in response to the incoming event；
The user interface is cached into coding and generates corresponding transmitting stream information in response, is responded with being shown in the client In the user interface of input signal.
8. method described in -7 any claims according to claim 1, which is characterized in that the data transmission method is applied to Intelligent television system；Wherein, the intelligent television system include: at least one server, at least one client, at least one Service providing device；Wherein, the server is used to distribute service providing device to the client；The client setting exists In smart television, the service providing device is arranged in network side, and the client for establishing connection by network provides mutually The Internet services.
9. according to the method described in claim 8, it is characterized in that, the intelligent television system, further includes at least one user Data information memory equipment；At least one user data information storage equipment includes: at least one user partition；Wherein, At least one described user partition is respectively used to the corresponding user data of storage different clients.
10. according to the method described in claim 8, it is characterized in that, the service providing device includes: network machine top box；Institute Internet service is stated, including at least one of following:
Live telecast, audio-video service, web service, game services.
11. a kind of data transmission method characterized by comprising
Client establishes connection with service providing device after actuation, wherein the service providing device is that the client mentions For the transmitting stream of user interface；
Original signal is received, determines that input signal, the input signal include the user interface according to the original signal Control signal；
The input signal is sent to the service providing device, so that service providing device rings the input information It answers；
The response message of the service providing device feedback is received, and display processing is carried out to the response message.
12. according to the method for claim 11, which is characterized in that it is described to determine input signal according to the original signal, Include:
Mapping processing is carried out to the original signal according to presetting rule, obtains corresponding input signal, wherein at the mapping Reason includes any one of following:
When detecting that the original signal is not belonging to the standard input signal of appointing system, the original signal is mapped to finger Determine the standard input signal of system；
It determines that the original signal corresponds to key value information, the key value information is mapped to digital information as input signal.
13. according to the method for claim 12, which is characterized in that further include:
The standard input signal of the appointing system is subjected to binarization processing, obtains binary input signal；
Binary input signal is subjected to symmetric cryptography or asymmetric encryption, the input signal encrypted.
14. according to the method for claim 12, which is characterized in that the determination original signal corresponds to key value information, Include:
Operating system is detected；
When belonging to the first operating system, the corresponding key assignments of the original signal is determined, obtain the key according to key value mapping table It is worth corresponding key value information；
When belonging to the second operating system, the key response of the original input signal is obtained by monitoring, according to the key Response obtains corresponding key value information；
The method further include: the digital information is subjected to symmetric cryptography or asymmetric encryption, the input letter encrypted Number.
15. according to the method for claim 11, which is characterized in that the response message includes in response to input signal The transmitting stream that user interface data coding generates, it is described that display processing is carried out to the response message, comprising:
The transmitting stream is parsed, shows the user interface in response to the input signal.
16. according to the method for claim 11, which is characterized in that further include:
The client maintains encryption connection according to heartbeat mode with the service providing device, after detecting that connection disconnects certainly It is dynamic to execute reconnection step.
17. method described in 1-16 any claim according to claim 1, which is characterized in that the data transmission method is answered For intelligent television system；Wherein, the intelligent television system includes: at least one server, at least one client, at least One service providing device；Wherein, the server is used to distribute service providing device to the client；The client is set It sets in smart television, service providing device setting is in network side, for being to establish the client of connection to mention by network For Internet service.
18. according to the method for claim 17, which is characterized in that the intelligent television system further includes at least one use User data information storing device；At least one user data information storage equipment includes: at least one user partition；Its In, at least one described user partition is respectively used to the corresponding user data of storage different clients.
19. according to the method for claim 17, which is characterized in that the service providing device includes: network machine top box；Institute Internet service is stated, including at least one of following:
Live telecast, audio-video service, web service, game services.
20. a kind of data transmission device characterized by comprising
Input equipment virtual module, for generating virtual input device wherein after establishing connection with client, the service is mentioned The transmitting stream of user interface is provided for equipment for the client；
First communication module, the input signal sent for receiving the client；And it will be responsive to the input signal Response message feeds back to the client, and the input signal includes the control signal of the user interface；
Virtual responsive module, for the virtual input device to be written in input signal, by the virtual input device to described Input signal corresponds to incoming event and is distributed to respond the input signal.
21. device according to claim 20, which is characterized in that
The first communication module is also used to after actuation monitor port；Signal and the visitor are received from the port Long connection is established at family end；
The input equipment virtual module, for generating virtual input in user's space after the long connection is successfully established Equipment.
22. device according to claim 21, which is characterized in that
The input equipment virtual module, for starting input equipment；Event is added to the input equipment by driving equipment The essential information of the virtual input device is written in type；It is generated in the user's space according to the input equipment virtual Input equipment.
23. device according to claim 20, which is characterized in that virtual responsive module, comprising:
Event determines submodule, for determining the corresponding incoming event of the input signal by the virtual input device；
Distribute and respond submodule, for the incoming event being distributed to upper layer application or operating system carries out response processing, Generate corresponding response message.
24. device according to claim 23, which is characterized in that
The first communication module is also used to that the input signal is decrypted；
Virtual responsive module, further includes:
Mapping submodule, for the input signal of the decryption to be mapped to corresponding key value information according to presetting rule；
The event determines submodule, searches the corresponding incoming event of the key value information for the virtual input device.
25. device according to claim 24, which is characterized in that
The first communication module obtains the two of decryption for symmetrically being decrypted to the input signal or asymmetric decryption System input signal or the key value information of decryption.
26. device according to claim 23, which is characterized in that
Distribute and respond submodule, for the incoming event to be distributed to upper layer application or operating system；The upper layer application Or operating system obtains the user interface caching in response to the incoming event；The user interface is cached into coding and generates correspondence Transmitting stream information in response, to show the user interface in response to input signal in the client.
27. a kind of data transmission device characterized by comprising
Second communication module, for establishing connection with service providing device after actuation；Input signal is sent to the service Equipment is provided, so that service providing device responds the input information；And receive the service providing device feedback Response message, wherein the service providing device provides the transmitting stream of user interface for the client；
Receiving module is inputted, for receiving original signal；
Signal processing module, for determining that input signal, the input signal include user circle according to the original signal The control signal in face；
Display module, for carrying out display processing to the response message.
28. device according to claim 27, which is characterized in that
The signal processing module obtains corresponding defeated for carrying out mapping processing to the original signal according to presetting rule Enter signal, wherein mapping processing includes any one of following: when detecting that the original signal is not belonging to the mark of appointing system When quasi- input signal, the original signal is mapped to the standard input signal of appointing system；Determine that the original signal is corresponding The key value information is mapped to digital information as input signal by key value information.
29. device according to claim 28, which is characterized in that
The signal processing module is also used to the standard input signal of the appointing system carrying out binarization processing, obtain Binary input signal；Binary input signal is subjected to symmetric cryptography or asymmetric encryption, what is encrypted is defeated Enter signal.
30. device end according to claim 28, which is characterized in that
The signal processing module, for being detected to operating system；When belonging to the first operating system, determine described original The corresponding key assignments of signal obtains the corresponding key value information of the key assignments according to key value mapping table；When belonging to the second operating system, The key response that the original input signal is obtained by monitoring obtains corresponding key value information according to the key response；It will The key value information carries out symmetric cryptography or asymmetric encryption, the input signal encrypted.
31. device according to claim 27, which is characterized in that the response message includes in response to input signal The transmitting stream that user interface data coding generates,
The display module shows the user interface in response to the input signal for parsing to the transmitting stream.
32. device according to claim 27, which is characterized in that
The second communication module is also used to maintain encryption connection according to heartbeat mode with the service providing device, detect Reconnection step is executed automatically after disconnecting to connection.
33. a kind of intelligent television system characterized by comprising at least one server, at least one client, at least one A service providing device；Wherein, the server is used to distribute service providing device to the client；The client setting In smart television, the service providing device is arranged in network side, and the client for establishing connection by network provides Internet service；
The client includes any data transmission device of the claims 20-26, the service providing device packet Include any data transmission device of the claims 27-32.
34. system according to claim 33, which is characterized in that further include: at least one user data information storage is set It is standby；At least one user data information storage equipment includes: at least one user partition；Wherein, at least one described use Family subregion is respectively used to the corresponding user data of storage different clients.
35. system according to claim 33, which is characterized in that the service providing device includes: network machine top box；Institute Internet service is stated, including at least one of following: live telecast, audio-video service, web service, game services.
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