CN102802048B - A kind of Multi-screen interaction system and method - Google Patents
A kind of Multi-screen interaction system and method Download PDFInfo
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- CN102802048B CN102802048B CN201210303365.2A CN201210303365A CN102802048B CN 102802048 B CN102802048 B CN 102802048B CN 201210303365 A CN201210303365 A CN 201210303365A CN 102802048 B CN102802048 B CN 102802048B
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Abstract
The invention provides a kind of Multi-screen interaction system and method, when screens switch, the video switch information that first terminal pushes to the second terminal, the second terminal carries out protocol analysis according to this video switch information, obtains video resource value according to the protocol data after resolving; Then, the broadcast address of the video code rate of second this terminal of terminal to server request video optimum, and open the video content of this address of player plays.The present invention can realize the video frequency co-screen display between multi-screen, more can be different according to each terminal configuration, the broadcasting code check that video is different, achieve mutual real-time, undertaken direct-connected by local Intranet, decrease congested, the network delay and network jitter etc. of network environment, interactive information is transmitted timely, and Consumer's Experience is more excellent.
Description
Technical field
The present invention relates to a kind of multi-screen interactive technology, comprise Set Top Box, the terminals such as pc, TV, more specifically, relate to and use terminal equipment to carry out exchanges data, shared and control, belong to family multi-media technical field.
Background technology
Along with the development of Internet technology, internet television emerges rapidly, each end product has well been fused in internet television, along with the development of this trend, realizes terminal and shares with interaction with the content of information extremely urgent for internet video.Arise at the historic moment according to this present situation multi-screen interactive technology, multi-screen interactive referred to, based on DLNA agreement or IGRS protocol, connected by WIFI network, in different multimedia terminal, as common based on Ios, Android, different intelligent terminal equipment on the different operating systems such as Symbian as mobile phone, between PAD, TV etc., multimedia (audio frequency can be carried out, video, picture) transmission of content, resolve, show, the sequence of operations such as control, can share simultaneously show content, enrich the multimedia life of user in different platform terminal.And the three screen interactions be most widely used are TV screen, between Mobile phone screen and computer screen, realized by the procotol that three screens are interactive that video pushes mutually, mobile phone analog telecommand device controls, mobile phone analog mouse controls, the data sharing of three screen terminals.
Existing three screen interaction techniques, can only realize the interaction of two screens, i.e. Mobile phone screen and TV screen, achieve remote-controller function and picture and share.On the other hand, people are more and more stronger for the interaction demand of internet television, cannot stand for traditional pattern that receives only, and common single terminal equipment cannot meet the interaction demand of user, concrete shows several aspect below: first. be subject to the restriction of traditional infrared TV remote controller Distance geometry angle, to the operability inconvenience that user brings, far distance controlled cannot be accomplished.Secondly the video resource of video terminal cannot be shared simultaneously, and the broadcasting record for record cannot realize sharing alternately between multi-user, and cannot realize the adaptation of the video code rate of television terminal.Again be subject to the impact of the network bandwidth, what multiple terminals cannot be real-time carries out interaction and exchanges, and causes user to be responded accordingly in time.
Summary of the invention
In view of above reason, the present invention is intended to the deficiency solving the existence of current internet television, realizes maximized user interaction and data sharing experience by three screen interactions.Particularly, the present invention will address the problem: first solve the restriction for the Distance geometry angle of traditional remote controller in internet television, secondly the adaptation with video code rate of sharing for video resource in internet television is solved, again solve the mutual real time problems of internet television terminal, use user better to be experienced.For this reason, technical scheme provided by the invention is as follows:
A kind of Multi-screen interaction system, comprise a server and multiple terminal, described network in charge have recorded media resource, and described multiple terminal comprises: at least one computer with display screen, at least one mobile communication terminal with display screen and at least one TV with display screen; It is characterized in that: between described multiple terminal, adopt direct connected mode; Described server carries out Classification Management to each terminal, all provide a terminal tabulation to each Terminal Type, synchronization, each terminal is all only in a tabulation, server is according to the IP address of each terminal, or physical space mark is classified to terminal.
Further, after terminal landing success, server issues the terminal list of the terminal classification residing for this terminal to respectively logging in successful terminal, described terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status; After terminal obtains this terminal list, the other-end in terminal list is presented on the display screen of this terminal, and carries out local direct-connected test with the terminal in list, and record the direct-connected state of each terminal; Described direct connection status comprises and connects normal and connection failure; When direct-connected normal time, this terminal and other-end are by udp protocol communication; And when direct-connected failed time, this terminal and other-end by tcp and server communication, and forward communication protocol by server.
Further, terminal sends heartbeat report every certain time interval to server, and the described time interval is 10-30 minute.
In one preferred embodiment, when screens switch, the video switch information that first terminal pushes to the second terminal, the second terminal carries out protocol analysis according to this video switch information, obtains video resource value according to the protocol data after resolving; Then,
The broadcast address of the video code rate of second this terminal of terminal to server request video optimum, and open the video content of this address of player plays; Or,
Server selects best video code check that video resource is sent to the second terminal according to the network condition between itself and the second terminal.
In an optional execution mode, for the video of terminal viewing, when not finishing watching, this broadcast address of terminal active request record, play position, terminal iidentification, the communication protocol data of record bookmark is sent request to server, after server record analyzes this bookmark agreement, this bookmark data is recorded in server database, when other-end is to this bookmark storehouse of server request, server issues the bookmark database data of all terminals in terminal list residing for this terminal, terminal parses bookmark database data, according to the bookmark data of resolving, shown on all terminal screens, user can use any terminal in terminal list to continue the video of viewing record as required, server conditions optimal code rates.
The present invention also provides a kind of multi-screen interactive implementation method, comprises the following steps:
Step 1: terminal logon server;
Step 2: after terminal landing success, server initiatively issues to respectively logging in successful terminal the terminal list that terminal residing for this terminal classifies, and described terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status;
Step 3: terminal obtains above-mentioned terminal list, carries out local direct-connected test with the terminal in list, and records the direct-connected state of each terminal, and described direct connection status comprises and connects normal and connection failure;
Step 4: terminal communicates with other-end according to direct-connected state.
Further,
Described step 4 comprises further:
Step 4-1: when direct-connected normal time, terminal and other-end by udp protocol communication, when direct-connected failed time, perform step 4-2:
Step 4-2: terminal and other-end by tcp and server communication, and forward communication protocol by server.
In one embodiment, the communication described in step 4 is screens switch communication; Described screens switch communication comprises further:
Step 1) first terminal sends the message of screen content switching to the second terminal;
Step 2): the second terminal stops the content of its screen to show, and carries out protocol analysis according to the message that screen content switches, according to the video resource value that the protocol data acquisition first terminal after resolving sends;
Step 3): the second terminal provides the broadcast address of the video code rate of this terminal of server request video optimum to matchmaker, and opens the video content of this address of player plays.
Further, in described step 1), the method that first terminal sends to the second terminal the message that screen content switches is:
First terminal sends the request of screen content switching to the second terminal, and the content of request comprises: the mark of first terminal, video resource value;
Or: the method that first terminal sends to the second terminal the message that screen content switches is: its screen content is directly pushed to the second terminal by first terminal.
In another embodiment, the communication described in step 4 is bookmark communication; Described bookmark communication comprises further:
Steps A: for the video of terminal viewing, when not finishing watching, this broadcast address of terminal active request record, play position, terminal iidentification, send request the communication protocol data of record bookmark to server;
Step B: this bookmark data is recorded in server database after analyzing this bookmark agreement by server record, when other-end is to this bookmark storehouse of server request, server issues the bookmark database data of all terminals in terminal list residing for this terminal;
Step C: terminal parses bookmark database data, according to the bookmark data of resolving, is shown on all terminal screens, and according to different demand bit rates to Media Resource Server situation optimal code rates.
The present invention can realize the video frequency co-screen display between multi-screen, more can be different according to each terminal configuration, the broadcasting code check that video is different; This locality that can also realize Online Video is downloaded, and plays when using after local download, more smooth; Also achieve traditional remote controller can not and function, can Long-distance Control and teleengineering support video resource; Also achieve the writing function of video-see, terminals continuation viewing can be shielded by other multi-screens or three, reach better interaction effect; Be the more important thing is by this invention and achieve mutual real-time, undertaken direct-connected by local Intranet, decrease congested, the network delay and network jitter etc. of network environment, interactive information is transmitted timely, and Consumer's Experience is more excellent.
Accompanying drawing explanation
Fig. 1 is the annexation figure of Multi-screen interaction system of the present invention;
Fig. 2 is terminal landing server of the present invention and sets up the direct-connected schematic diagram of communication;
Fig. 3 is the schematic diagram that multi-screen of the present invention switches.
Embodiment
Below will describe preferred embodiment of the present invention, those skilled in the art should know these execution modes and nonrestrictive.In order to solve the problem, specific implementation provided by the invention is as follows.
Shown in accompanying drawing 1, the invention provides a kind of Multi-screen interaction system, comprise a server 1 and multiple terminal, described multiple terminal at least comprises: at least one computer 2-1 to 2-n with display screen, at least one mobile communication terminal 3-1 to 3-n with display screen and at least one TV 4-1 to 4-n with display screen.Preferably direct connected mode is adopted between each terminal of Multi-screen interaction system and between server.Preferably, described server record media resource.
In reciprocal process, first, above-mentioned terminal logon server.Preferably, server carries out Classification Management to each terminal, a terminal tabulation is all provided to each Terminal Type, synchronization, each terminal is all only in a tabulation, such as, in average family, mobile phone, computer, TV geographically can be in (terminal equipment in dotted line frame as shown in Figure 1) in same room, and the tabulation of the terminal classification that server provides each terminal to go out, such as, be in the terminal list in this room, terminal place.Described mode classification can according to the IP address of each terminal, or physical space mark is distinguished.
Log in successfully, server initiatively issues the terminal list of the terminal classification residing for this terminal to respectively logging in successful terminal.Terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status.After terminal obtains this terminal list, other-end in terminal list is presented on the display screen of this terminal, and carry out local direct-connected test with the terminal in list, and record the direct-connected state of each terminal, described direct connection status comprises and connects normal and connection failure.When this terminal communicates with other-end, select communication mode according to connection status.In a preferred real-time mode, when direct-connected normal time, this terminal and other-end, by udp protocol communication, can make mutual more real-time; And when direct-connected failed time, this terminal and other-end by tcp and server communication, and forward communication protocol by server.
See accompanying drawing 2, in another optional execution mode, terminal is after connection server, the message of the terminal list obtained residing for this terminal is sent to server, server after receiving that message, searches the terminal list residing for this terminal, in order to ensure the availability of this terminal list, server will operate below also performing after finding this terminal list: send local directly connecting test packet to the terminal equipment in this list, send mode can be broadcast mode or multicast mode.Server to the feedback conditions of test packet according to terminal equipment each in list, records the direct connection status of each terminal, and upgrades the content of terminal list.And the terminal list after renewal is sent to the terminal of request.The terminal of request, when communicating with other-end, selects communication mode according to connection status, when direct-connected normal time, this terminal and other-end, by udp protocol communication, can make more real-time alternately; And when direct-connected failed time, this terminal and other-end by tcp and server communication, and forward communication protocol by server.
When mutual, terminal performs different process operations according to the control command of multi-screen interactive.Each terminal is when carrying out mutual, and select the network environment wanted most to carry out data interaction, strategy is: first use direct-connected mode to carry out alternately, just forwards interactive information by server when direct-connected mode is failed.
Below by description the present invention execution mode specifically.In this embodiment, terminal sends heartbeat report every certain time interval to server, to safeguard the normal connection that multi-screen is served, applicant's experiment shows: in order to not take bandwidth traffic more, heartbeat report is sent every 10-30 minute, both can judge the connection state of terminal, not affect interaction effect again.When using TCP to be connected between terminal with server, send out with send, and when using UDP to connect, send out with sendto, after server receives, just know the state that active client is also in " living ", otherwise, if do not receive such bag every certain hour, then server thinks that client disconnects, and carries out corresponding client and disconnects logical process.Preferably, connect more than twice, server initiatively disconnected end connects, and removes from terminal list.
Below with reference to accompanying drawing 3, method when to carry out screens switch between terminal is described.As shown in Figure 3, A terminal sends the request of screen content switching to B terminal, and the content of request comprises: the mark of A terminal, video resource value; Or directly screen content is pushed to B terminal, preferably, described screen content is video content.
B terminal stops the content of B screen to show after receiving the handover request of A terminal transmission, or after it receives the video switch information of A terminal propelling movement, protocol analysis is carried out according to this information, the video resource value of A terminal request or propelling movement is obtained according to the protocol data after parsing, then, B terminal provides the broadcast address of the video code rate of this terminal of server request video optimum to matchmaker, and opens the video content of this address of player plays; Or server selects best video code check that video resource is sent to terminal B according to the network condition between itself and terminal B.Thus reach optimum result of broadcast.Best video code check and network condition, terminal processing capacity, video format are relevant.The broadcasting code check different according to network condition, each terminal configuration is different and/or different choice that is video format is different.
The present invention also provides bookmark function, to ensure fluency and the continuity of multi-screen interactive.For the video of multi-screen terminal viewing, when not finishing watching, terminal can this broadcast address of active request record, play position, Terminal Equipment Identifier, the communication protocol data of record bookmark is sent request to server, after server record analyzes this bookmark agreement, this bookmark data is recorded in server database, when other-end is to this bookmark storehouse of server request, server issues the bookmark database data of all terminals in terminal list residing for this terminal, terminal parses bookmark database data, according to the bookmark data of resolving, shown on all terminal screens, user can use terminal to continue the video of viewing record as required, terminal can according to different demand bit rates to Media Resource Server situation optimal code rates, TV screen can be used to watch the video of high-quality code check more, terminal increases bookmark management function, the list of refreshing bookmark is carried out for the bookmark added, play, delete, removing bookmark operates, backstage is triggered player and is run corresponding operating.
In the present invention, television terminal can realize download function.Other-end issues downloaded resources interactive information to television terminal, the interactive command that television terminal receives other-end transmission is resolved, parse downloading data, TV is downloaded according to downloading data, and TV download function module provides control interface for mobile terminal, Download Info can be synchronized to mobile terminal, control download function by mobile terminal, realize adding, delete, suspend, start function.Realize mobile terminal and download propelling movement to the video of television terminal.
In multi-screen interactive, remote pilot interaction can be realized.At mobile terminal remote terminal, select control object terminal, by multi-screen control protocol, transmit control message, major control message has and includes but not limited to: the 1) basal keystroke of remote controller; 2) Broadcast Control button during video playback; 3) volume during video playback and seek progress button.Multi-screen terminal real-time reception message, and carry out respective handling according to different control commands.
In multi-screen interactive, input character interaction can also be realized.Described mobile phone terminal apparatus remote input character, sends to other-end by character data by multi-screen agreement, the protocol analysis of input character that other terminal will receive, and is input in input frame by the character of parsing, and is presented in input frame.
On the basis of said system, the present invention also provides a kind of multi-screen interactive implementation method, comprises the following steps:
Step 1: terminal logon server;
Step 2: after terminal landing success, server initiatively issues to respectively logging in successful terminal the terminal list that terminal residing for this terminal classifies, and described terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status;
Step 3: terminal obtains above-mentioned terminal list, carries out local direct-connected test with the terminal in list, and records the direct-connected state of each terminal, and described direct connection status comprises and connects normal and connection failure;
Step 4: terminal communicates with other-end according to direct-connected state.
Further,
Described step 4 comprises further:
Step 4-1: when direct-connected normal time, terminal and other-end by udp protocol communication, when direct-connected failed time, perform step 4-2:
Step 4-2: terminal and other-end by tcp and server communication, and forward communication protocol by server.
In one embodiment, the communication described in step 4 is screens switch communication; Described screens switch communication comprises further:
Step 1) first terminal sends the message of screen content switching to the second terminal;
Step 2): the second terminal stops the content of its screen to show, and carries out protocol analysis according to the message that screen content switches, according to the video resource value that the protocol data acquisition first terminal after resolving sends;
Step 3): the second terminal provides the broadcast address of the video code rate of this terminal of server request video optimum to matchmaker, and opens the video content of this address of player plays.
Further, in described step 1), the method that first terminal sends to the second terminal the message that screen content switches is:
First terminal sends the request of screen content switching to the second terminal, and the content of request comprises: the mark of first terminal, video resource value;
Or: the method that first terminal sends to the second terminal the message that screen content switches is: its screen content is directly pushed to the second terminal by first terminal.
In another embodiment, the communication described in step 4 is bookmark communication; Described bookmark communication comprises further:
Steps A: for the video of terminal viewing, when not finishing watching, this broadcast address of terminal active request record, play position, terminal iidentification, send request the communication protocol data of record bookmark to server;
Step B: this bookmark data is recorded in server database after analyzing this bookmark agreement by server record, when other-end is to this bookmark storehouse of server request, server issues the bookmark database data of all terminals in terminal list residing for this terminal;
Step C: terminal parses bookmark database data, according to the bookmark data of resolving, is shown on all terminal screens, and according to different demand bit rates to Media Resource Server situation optimal code rates.
The present invention is shared by the video communication between multi-screen, and video code rate is selected, and bookmark record is shared; And mobile terminal controls for the remote controller of television terminal and pc terminal; And the interactive mode between corresponding multi-screen, following useful technique effect can be played: the video frequency co-screen display between multi-screen can be realized, more can be different according to each terminal configuration, the broadcasting code check that video is different; This locality that can also realize Online Video is downloaded, and plays when using after local download, more smooth; Also achieve traditional remote controller can not and function, can Long-distance Control and teleengineering support video resource; Also achieve the writing function of video-see, other three screens terminals can continue viewing, reach better interaction effect; Be the more important thing is by this invention and achieve mutual real-time, undertaken direct-connected by local Intranet, decrease congested, the network delay and network jitter etc. of network environment, interactive information is transmitted timely, and Consumer's Experience is more excellent.
Claims (8)
1. a Multi-screen interaction system, comprise a server and multiple terminal, described network in charge recording medium resource, described multiple terminal comprises: at least one computer with display screen, at least one mobile communication terminal with display screen and at least one TV with display screen; It is characterized in that:
Direct connected mode is adopted between described multiple terminal;
Described server carries out Classification Management to each terminal, all provide a terminal tabulation to each Terminal Type, synchronization, each terminal is all only in a tabulation, server is according to the IP address of each terminal, or physical space mark is classified to terminal;
Terminal in terminal and list carries out local direct-connected test, and records the direct-connected state of each terminal, and described direct-connected state comprises and connects normal and connection failure;
Wherein, when terminal according to direct-connected state and other-end carry out bookmark communicate time,
For the video of terminal viewing, when not finishing watching, terminal active request recording played address, play position, terminal iidentification, the communication protocol data of record bookmark is sent request to server, after server record analyzes this bookmark agreement, this bookmark data is recorded in server database, when other-end is to this bookmark storehouse of server request, server issues the bookmark database data of all terminals in terminal list residing for this terminal, terminal parses bookmark database data, according to the bookmark data of resolving, be presented on all terminal screens, user can use any terminal in terminal list to continue the video of viewing record as required.
2. Multi-screen interaction system as claimed in claim 1, it is characterized in that: after terminal landing success, server issues the terminal list of the terminal classification residing for this terminal to respectively logging in successful terminal, described terminal list at least comprises terminal iidentification, end packet, and terminal connection state information; After terminal obtains this terminal list, the other-end in terminal list is presented on the display screen of this terminal, and carries out local direct-connected test with the terminal in list, and record the direct-connected state of each terminal; When direct-connected normal time, this terminal and other-end are by udp protocol communication; And when direct-connected failed time, this terminal and other-end by tcp and server communication, and forward communication protocol by server.
3. Multi-screen interaction system as claimed in claim 2, is characterized in that: terminal sends heartbeat report every certain time interval to server, and the described time interval is 10-30 minute.
4. Multi-screen interaction system as claimed in claim 3, it is characterized in that: also comprise, when terminal according to direct-connected state and other-end carry out screens switch communicate time, when screens switch, first terminal is to the second terminal pushing video handover information, second terminal carries out protocol analysis according to this video switch information, obtains video resource value according to the protocol data after resolving; Then,
The broadcast address of the video code rate of second this video terminal of terminal to server request optimum, and open the video content of this address of player plays; Or,
Server selects best video code check that video resource is sent to the second terminal according to the network condition between itself and the second terminal.
5. a multi-screen interactive implementation method, comprises the following steps:
Step 1: terminal logon server;
Step 2: after terminal landing success, server initiatively issues the terminal list of the terminal classification residing for this terminal to respectively logging in successful terminal, described terminal list at least comprises terminal iidentification, end packet, and terminal connection state information;
Step 3: terminal obtains above-mentioned terminal list, carries out local direct-connected test with the terminal in list, and records the direct-connected state of each terminal, and described direct-connected state comprises and connects normal and connection failure;
Step 4: terminal communicates with other-end according to direct-connected state, when described communication is bookmark communication; Described bookmark communication comprises further:
Steps A: for the video of terminal viewing, when not finishing watching, terminal active request recording played address, play position, terminal iidentification, send request the communication protocol data of record bookmark to server;
Step B: this bookmark data is recorded in server database after analyzing this bookmark agreement by server record, when other-end is to this bookmark storehouse of server request, server issues the bookmark database data of all terminals in terminal list residing for this terminal;
Step C: terminal parses bookmark database data, according to the bookmark data of resolving, is presented on all terminal screens.
6. multi-screen interactive implementation method as claimed in claim 5,
Described step 4 comprises further:
Step 4-1: when direct-connected normal time, terminal and other-end by udp protocol communication, when direct-connected failed time, perform step 4-2:
Step 4-2: terminal and other-end by tcp and server communication, and forward communication protocol by server.
7. multi-screen interactive implementation method as claimed in claim 6, is characterized in that:
When the communication described in step 4 is screens switch communication; Described screens switch communication comprises further:
Step 1): first terminal sends the message of screen content switching to the second terminal;
Step 2): the second terminal stops the content of its screen to show, and carries out protocol analysis according to the message that screen content switches, according to the video resource value that the protocol data acquisition first terminal after resolving sends;
Step 3): the second terminal provides the broadcast address of the video code rate of this video terminal of server request optimum to matchmaker, and opens the video content of this address of player plays.
8. multi-screen interactive implementation method as claimed in claim 7, is characterized in that: in described step 1), and the method that first terminal sends to the second terminal the message that screen content switches is:
First terminal sends the request of screen content switching to the second terminal, and the content of request comprises: the mark of first terminal, video resource value;
Or: the method that first terminal sends to the second terminal the message that screen content switches is: its screen content is directly pushed to the second terminal by first terminal.
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