CN103517153B - It is a kind of to realize the method and system that multi-screen plays video with screen - Google Patents
It is a kind of to realize the method and system that multi-screen plays video with screen Download PDFInfo
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- CN103517153B CN103517153B CN201210499354.6A CN201210499354A CN103517153B CN 103517153 B CN103517153 B CN 103517153B CN 201210499354 A CN201210499354 A CN 201210499354A CN 103517153 B CN103517153 B CN 103517153B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
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Abstract
The method and system that multi-screen plays video with screen are realized the invention discloses a kind of.Shown method includes：Treat to set up communication connection with by the server of screen playback equipment together with screen playback equipment；Treat to be asked with screen playing video data to by the server transmission of screen playback equipment together with screen playback equipment；By together screen playback equipment server according to it is described with screen playing video data request, it is determined that need with screen play video data current play position, and by the video data after the current play position be sent to it is described treat with screen playback equipment；It is described to treat to decode the video data after the play position that receives with screen playback equipment, and the video data after broadcast decoder.The influence for effectively overcoming code efficiency of the invention, not only realizes that two-way multi-screen is same and shields broadcasting, but also realize multi-screen controllable function.
Description
Technical field
The present invention relates to Display on the same screen field, more particularly to it is a kind of realize multi-screen with screen play video method and
System.
Background technology
It is more and more deep with the research of screen play-back technology to multi-screen with the development of technology, with the realization side that screen is played
Method is also varied.
Existing broadcasting with screen mainly has two kinds of typical schemes, and a kind of is that the screen of TV or Pad is passed to mobile phone screen
On, in TV or Pad ends control screen, mobile phone is display；Also a kind of is that the screen of PC is passed on Pad screens, PC and
Pad can simultaneously control screen.
In both schemes, in addition to the interaction that second scheme adds control, two schemes are being played with screen
Essence be the same, be all that the content of whole screen is sent out, detailed process is as shown in Figure 1：
1）In transmitting terminal, the video that capture screen shows；
2）Video to capturing is encoded；
3）Audio on capture screen；
4）Audio to capturing is encoded；
5）The audio of video and the 4th step coding to the 2nd step coding is mixed, and is mixed into bit stream data；
6）Bit stream data by server transport to receiving terminal；
7）The data that reception is sended over；
8）The data for receiving are issued player；
9）Player is decoded；
10）Decoding data output to receiving terminal screen display.
As long as by previous step as can be seen that transmission is guaranteed, it is possible to which the content of the screen display of transmitting terminal is real-time
Receiving terminal is sent to, the same screen playing function on both sides is realized.
However, in the existing scheme played with screen, either the screen of TV or Pad is passed on mobile phone screen, also
It is that the screen of PC is passed on Pad screens, is all one-way transmission due to being limited by code efficiency.Mobile phone screen is passed to
On TV, with regard to very little, the picture matter passed on TV is not high, is displayed without too big meaning for resolution ratio；And resolution ratio is big, coding is again
Do not realize.And transmitted in both directions must also make two equipment will support to grab screen function.
So, in the existing play-back technology with screen, the two-way effect with screen is bad, and requirement to system is also compared
It is high；Mostly be it is man-to-man, it is less efficient；In control aspect, only a few devices can accomplish double-direction control, and can't
Realize control more than multi-screen.
Therefore, prior art has yet to be improved and developed.
The content of the invention
For the drawbacks described above of prior art, the present invention provides a kind of method for realizing the same screen broadcasting video of multi-screen and is
System, overcomes the influence of code efficiency, not only realizes that two-way multi-screen is same and shields broadcasting, but also realizes multi-screen controllable function.
The technical proposal for solving the technical problem of the invention is as follows：
It is a kind of to realize the method that multi-screen plays video with screen, wherein, comprise the following steps：
A, the server foundation communication connection for treating with screen playback equipment and being shielded together playback equipment；
B, treat with screen playback equipment to by together screen playback equipment server send with screen playing video data ask；
C, by together screen playback equipment server according to it is described with screen playing video data request, it is determined that need with screen play
The current play position of video data, and the video data after the current play position is sent to described treating with screen broadcasting
Equipment；
D, it is described treat to decode the video data after the play position that receives with screen playback equipment, and broadcast
Put decoded video data.
It is described to realize the method that multi-screen plays video with screen, wherein, it is described treat with screen playback equipment be one or
It is multiple.
Described realizes the method that multi-screen plays video with screen, wherein, it is sent to by the server of screen playback equipment together
Treat that with the video data of screen playback equipment be the video data that does not decode in video file.
Described realizes the method that multi-screen plays video with screen, wherein, the step C also includes：When multiple is treated with screen
Playback equipment is carried out during with shielding broadcasting with by screen playback equipment together, and predefined size is often sent by the server of screen playback equipment together
Video data, just treats and is circulated judgement with the reception condition of screen playback equipment, suspends and lean on to having received video data position
Afterwards treat with screen playback equipment send video data, continue to received video data position it is forward treat with screen playback equipment send out
Send video data, until need with screen playback equipment the video data position having been received by it is identical, then, by with screen play
Equipment from same position, start to need with screen playback equipment send video data.
Described realizes the method that multi-screen plays video with screen, wherein, the step C also includes：
Data request type is judged by the server of screen playback equipment together, when the request type is transmission file
When, directly the video data is sent to by the server of screen playback equipment is together treated with screen playback equipment；When the request class
When type is played file, then carry out with screen playing process.
Described realizes the method that multi-screen plays video with screen, wherein, also include after the step D：Broadcast with screen
When during putting, when by together screen playback equipment or treat with screen playback equipment receive user to screen play control instruction
When, the control instruction respectively treat with screen playback equipment by being forwarded to by the server of screen playback equipment together, make control command synchronization.
It is a kind of to realize the system that multi-screen plays video with screen, wherein, the system includes：
Communication connection module, treats with screen playback equipment and by the communication link between the server of screen playback equipment together for setting up
Connect；
With screen playing request module, for from treating to be sent with screen to by the server of screen playback equipment together with screen playback equipment
Playing video data is asked；
Request processing module, for being asked with screen playing video data according to described by by the server of screen playback equipment together
Ask, it is determined that the current play position of video data played with screen is needed, and by the video data after the current play position
It is sent to described treating with screen playback equipment；
With screen playing module, for will treat to enter with the video data shielded after the play position that playback equipment is received
Row decoding, and the video data after broadcast decoder.
Described realizes the system that multi-screen plays video with screen, wherein, the system also includes：
Control command synchronization module, for screen playing process in, when wherein by together screen playback equipment or treat with screen
When playback equipment receives user to the control instruction of video data, by the control instruction by being shielded the server of playback equipment together
It is forwarded to and respectively treat with screen playback equipment, makes control command synchronization.
It is provided by the present invention to realize the method and system that multi-screen plays video with screen, effectively overcome code efficiency
Influence, not only realizes that two-way multi-screen is same and shields broadcasting, but also realize multi-screen controllable function.
Brief description of the drawings
Fig. 1 is flow chart in the prior art with screen play-back technology.
Fig. 2 is the method flow diagram for realizing the same screen broadcasting video of multi-screen that the present invention is provided.
Fig. 3 is the flow chart of a preferred embodiment of the method for realizing the same screen broadcasting video of multi-screen that the present invention is provided.
Fig. 4 is the structural representation of the system for realizing the same screen broadcasting video of multi-screen that the present invention is provided.
Fig. 5 is the structural representation of a preferred embodiment of the system for realizing the same screen broadcasting video of multi-screen that the present invention is provided
Figure.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and without
It is of the invention in limiting.
In order to same screen broadcasting video is influenceed by code efficiency in overcoming existing same screen technology, the present invention is regarding for being played
There is no the data is activation of decoding in frequency source file out, decoded by receiving terminal, and directly display, thus avoided the limit of coding
System.
Fig. 2 is referred to, Fig. 2 is the method flow diagram for realizing the same screen broadcasting video of multi-screen that the present invention is provided, including with
Lower step：
Step S100, the server foundation communication connection for treating with screen playback equipment and being shielded together playback equipment；
Step S200, treat with screen playback equipment to by together screen playback equipment server send with screen playing video data please
Ask；
Step S300, by the server of screen playback equipment together according to described with screen playing video data request, it is determined that needing same
Shield the current play position of the video data played, and the video data after the current play position is sent to described treating
With screen playback equipment；
Step S400, described treat to solve the video data after the play position that receives with screen playback equipment
Code, and the video data after broadcast decoder.
Treat to be asked with screen playing video data to by screen playback equipment transmission together by player with screen playback equipment, it is same
The server of the documentary information itself that screen playback equipment will need to be played with screen by player, is shielded together the service of playback equipment
Device takes out file data from corresponding file address, and issue treat with screen playback equipment.Due to treating with screen playback equipment simultaneously
Be not limited to one, therefore, the present invention be not merely it is simple it is man-to-man played with screen, can also be many-to-one multiple screens
Played with screen.
In the present embodiment, three functions are mainly realized by the server of screen playback equipment together, is respectively to send file letter
Breath, transmission are treated with screen playing video data and forwarding control command.Wherein, fileinfo include file broadcast address and
Server ip address etc. information, these information are treated to be set up with by the server of screen playback equipment together with screen playback equipment at each
Treated with screen playback equipment by being sent to each by the server of screen playback equipment together during communication connection.Shielded the clothes of playback equipment together
The video data that business device sends not is whole video file, but the effective data not decoded in video file, and
The video data of transmission is the video data after current play position, for the video data played, is played with screen
The server of equipment does not send, and to save transmission bandwidth, improves data transmission efficiency.And when carrying out with screen control, if
The control instruction that user sends is received by screen playback equipment together, then it is transmitted to coupled treating with screen through the server of itself
Playback equipment, by treating that carrying out corresponding broadcasting according to the control command with screen playback equipment controls；And if treating to be set with screen broadcasting
It is standby to receive the control instruction that user sends, then treat to send to the clothes for being shielded playback equipment together the control instruction with screen playback equipment
Business device, is forwarded to other and respectively treats to be controlled accordingly with screen playback equipment by the server, realizes multiple with screen playback equipment
Between Synchronization Control.
One is treated below be described with by the process that screen playback equipment played with screen together with screen playback equipment, treated
Communication connection is set up with by the server of screen playback equipment together with screen playback equipment, afterwards, treating can be to same with screen playback equipment
Shield playback equipment server send with screen playing video data request, by together screen playback equipment server to this ask into
Row parsing, obtains the information of the video data for needing same screen to play in request, will need with the broadcast address for shielding the video data played
Treated with screen playback equipment with being sent to by the IP address of the server of screen playback equipment together.Meanwhile, the clothes of playback equipment are shielded together
The play position of the video data that business device can played according to it, the video data after the play position is sent to and treats same
Screen playback equipment.After the video data sent by the server of screen playback equipment together is received with screen playback equipment, this is regarded
Frequency evidence is decoded, and the video data after broadcast decoder.So it is achieved that the same screen between two playback equipments is played.
In the present invention, each video data for treating to be played with screen has specific broadcast address, treats with regarding that screen is played
Frequency is according to the video data that can be offer on the local video data or internet treated on same screen playback equipment.
In playing process, can be according to user to playing the operation for carrying out with screen, by the operation by screen playback equipment together
Control instruction is sent to by its server to be treated with screen playback equipment, by treating to carry out phase according to the control instruction with screen playback equipment
The same screen answered is controlled.For example, when the operation of user's increase volume is received by screen playback equipment together, will be increased by screen playback equipment together
The control instruction of summation tone amount is sent to be treated with screen playback equipment, by treating that same screen playback equipment controls the increase of itself broadcast sound volume,
And then realize the Synchronization Control of volume.And the control instruction of Synchronization Control is not limited to be sent by by screen playback equipment together, also may be used
With by treating that the same playback equipment that shields sends, if treating there is user to operate with screen playback equipment, treat that the same playback equipment that shields can be somebody's turn to do
The control instruction of operation is sent to is shielded together playback equipment, and corresponding Synchronization Control is carried out by by screen playback equipment together.The synchronization
Control can also be the operations such as playing progress rate regulation.Therefore, the Synchronization Control is not limited to a certain broadcasting control, if with screen
One in two equipment played has user to operate, then the playback equipment can be all sent to another the control instruction that user operates
One playback equipment, realizes two Synchronization Controls of equipment.
The present invention can not only realize that the same screen between two playback equipments is played, and can also realize that multiple is treated to be played with screen
Equipment and by together screen playback equipment between same screen play, below just multiple is treated with screen playback equipment and by together shielded playback equipment between
Same screen playing process be described.When more than two multi-screens are carried out with screen broadcasting, multiple is treated first with screen playback equipment
Communication connection first is set up with by the server of screen playback equipment together, after connection is set up, multiple is treated with screen playback equipment respectively to quilt
Sent with screen playing request with the server of screen playback equipment, above-mentioned request is distinguished by the server of screen playback equipment together
Parsing, obtain request in need with screen play video data information, will need with screen play video data broadcast address and
It is sent to by the IP address of the server of screen playback equipment together and is treated with screen playback equipment.Meanwhile, by screen playback equipment can basis together
The play position of its video data played, is sent to the video data after the play position multiple and treats to be played with screen
Equipment.Multiple after with screen playback equipment receive by together screen playback equipment server send video data after, to the video
Data are decoded, and the video data after broadcast decoder.So it is achieved that multiple is treated to be broadcast with by same screen with screen playback equipment
The same screen put between equipment is played.
And treat to be played with screen playback equipment and by the same screen between screen playback equipment together for multiple, broadcast with screen to strengthen
The server for putting equipment sends the synchronism of video data, and the present embodiment also needs to carry out data syn-chronization to above-mentioned same screen process.
It is different with the same screen cut-in timing point of screen playback equipment due to respectively treating in data synchronization process, and network transmission speed is with the time
May be different, therefore respectively treat different in the video data volume received by backstage with screen playback equipment, thus result in and broadcast with screen
The equipment of putting need to from different Data Positions to respectively treat with screen playback equipment send data so that by together screen playback equipment need repeatedly
Skipping carries out data is activation, and then data is activation may be caused unstable.Therefore, often sent by the server of screen playback equipment together
The video data of predefined size, just treats and is circulated judgement with the video data reception condition of screen playback equipment.For having connect
Receive video data position rearward treat that, with screen playback equipment, pause sends video data.It is forward to having received video data position
Treat with screen playback equipment, continue send video data, until need with shield playback equipment the video data having been received by
Position is identical, now, by together screen playback equipment from same video data position, start to need with screen playback equipment send regard
Frequency evidence.By data synchronization process, can make to be broadcast from same video data position to same screen is needed by screen playback equipment together
Put equipment and send video data, it is to avoid cause same screen process unstable by screen playback equipment skipping repeatedly when data are sent together
It is fixed.
In multiple is treated with screen playback equipment and by the same screen playing process between screen playback equipment together, in order to realize multi-screen
Controllable, if wherein one treats that same screen playback equipment receives the control instruction of user, this is treated should with screen playback equipment meeting basis
Control instruction carries out corresponding control operation.Meanwhile, this is treated the control instruction can be sent to by same screen with screen playback equipment and is broadcast
The server of equipment is put, respectively treats, with screen playback equipment, respectively to be treated by other by being forwarded to other by the server of screen playback equipment together
Corresponding control operation is carried out according to control instruction with screen playback equipment.And if being received the control of user by screen playback equipment together
System instruction, then directly forward the control instruction to respectively treating with screen playback equipment, by respectively treating to be set with screen broadcasting by its own server
It is standby that corresponding control operation is carried out according to control instruction.The Synchronization Control played with screen is thus realized well.
Therefore, either one treat with screen playback equipment and by together screen playback equipment between same screen or multiple treat with shield broadcast
Equipment is put and by the same screen between screen playback equipment together, when each playback equipment played with screen, as long as wherein having one
Individual playback equipment receives user to the control instruction with screen broadcasting, and the control instruction all can be by by the service of screen playback equipment together
Device is forwarded to and respectively treat with screen playback equipment, makes control command synchronization, realizes the Synchronization Control played with screen.
Due to as it was previously stated, the present invention not only supports that the multi-screen of local video data, with broadcasting is shielded, also supports network video
The multi-screen of frequency file is same to shield broadcasting.And the multi-screen of network video file is being carried out with broadcasting is shielded, present invention also adds one
Individual buffer device, the data of automatic network are carried out for buffering, and to improve with screen broadcasting speed, reduce the influence that network blockage is caused.
With shielding play-back technology, do not rely on chip grabs screen function to the multi-screen that the present invention is provided, therefore, not by supplier
Limitation, can flexibly be applied to each platform.
Further, process of the present invention can be applied not only to be played with screen, file transmission be can be also used for, if this hair
Bright process is applied to file transmission, then the present invention need to be judged the request type with screen request when sending with screen request,
Multi-screen during below with a specific embodiment to needing file to transmit is illustrated with the specific implementation step of screen, such as Fig. 3 institutes
Show, comprise the following steps：
Step S101, treat with screen playback equipment by itself player to by together screen playback equipment server send data
Request；
Step S102, by together screen playback equipment server parse the request of data, and therefrom find out send request broadcast
Put the broadcast address of device；
Step S103, by together screen playback equipment server request type is judged；
If step S104, request type are transmission files, the video that will be asked by the server of screen playback equipment together
Data is activation is given and is treated with screen playback equipment；
If step S105, request type are played files, regarding for request is determined by the server of screen playback equipment together
The current play position of frequency evidence；
Step S106, the video data after current play position is sent to by the server of screen playback equipment together treats same
Screen playback equipment；
Step S107, treat to decode the video data with screen playback equipment, and the video data after broadcast decoder.
The method that multi-screen plays video with screen is realized based on above-mentioned, realizes multi-screen with screen present invention also offers one kind
The system for playing video, as shown in figure 4, the system includes：
Communication connection module 10, treats with screen playback equipment and by the communication between the server of screen playback equipment together for setting up
Connection；
With screen playing request module 20, for from treating to send same to by the server of screen playback equipment together with screen playback equipment
Screen playing video data request；
Request processing module 30, for being asked with screen playing video data according to described by by the server of screen playback equipment together
Ask, it is determined that the current play position of video data played with screen is needed, and by the video data after the current play position
It is sent to and is treated with screen playback equipment with described；
With screen playing module 40, for will treat with the video data shielded after the play position that playback equipment is received
Decoded, and the video data after broadcast decoder.
Further, as shown in figure 5, the system also includes control command synchronization module 50, for being played with screen
Cheng Zhong, when wherein by together screen playback equipment or whne with screen playback equipment receive user to screen play control instruction when,
The control instruction respectively treat with screen playback equipment by being forwarded to by the server of screen playback equipment together, makes control command synchronization.
In sum, the existing multi-screen that the present invention is provided plays the method and system of video with screen, for existing with screen skill
Art is mainly influenceed by code efficiency, and when played with screen, the video grace that will directly play does not have the number of decoding in seeing
According to sending out, display is directly decoded by receiving terminal, implementation method is simple, and effect is obvious.Multi-screen of the invention is same simultaneously
Screen play be independent of chip offer grab screen function, do not limited by supplier, can be more flexible be applied to each platform.
It should be appreciated that application of the invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or converted, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Shield scope.
Claims (6)
1. it is a kind of to realize the method that multi-screen plays video with screen, it is characterised in that to comprise the following steps：
A, the server foundation communication connection for treating with screen playback equipment and being shielded together playback equipment；
B, treat with screen playback equipment to by together screen playback equipment server send with screen playing video data ask；
C, by together screen playback equipment server according to it is described with screen playing video data request, obtain with screen playing video data
Needed in request with the information for shielding the video data played, will need to be set with the video data broadcast address of screen broadcasting and by screen broadcasting together
The IP address of standby server is sent to be treated with screen playback equipment, while determination needs the currently playing of the video data played with screen
Position, and the video data after the current play position is sent to described treating with screen playback equipment；
D, it is described treat to decode the video data after the play position that receives with screen playback equipment, and play solution
Video data after code；
Include after the step D：
With screen playing process in, when by together screen playback equipment receive user to screen play control instruction when, this is controlled
System instruction respectively treat with screen playback equipment by being forwarded to by the server of screen playback equipment together；
When whne with screen playback equipment receive user to screen play control instruction when, treat with screen playback equipment the control is referred to
Order sends extremely is shielded together playback equipment；
Multiple treat with screen playback equipment and by together screen playback equipment between same screen playing process in, when wherein one treat with screen play
When equipment receives the control instruction of user, this treats to send to by screen playback equipment together the control instruction with screen playback equipment
Server, is respectively treated with screen playback equipment by being forwarded to other by the server of screen playback equipment together；
The step C also includes：
When multiple is when with playback equipment is shielded with being carried out with screen broadcasting by screen playback equipment together, the server of playback equipment is shielded together
The video data of predefined size is often sent, is just treated and is circulated judgement with the reception condition of screen playback equipment, suspended to having connect
Receive video data position treating rearward and send video data with screen playback equipment, continue forward to video data position has been received
Treat to send video data with screen playback equipment, until needing the video data position phase having been received by with screen playback equipment
Together, hereafter, by together screen playback equipment from same video data position, start to need with screen playback equipment send video counts
According to.
2. it is according to claim 1 to realize the method that multi-screen plays video with screen, it is characterised in that described to treat to be broadcast with screen
Equipment is put for one or more.
3. it is according to claim 1 to realize the method that multi-screen plays video with screen, it is characterised in that to be set by screen broadcasting together
Standby server is sent to treats that with the video data of screen playback equipment be the video data that does not decode in video file.
4. it is according to claim 1 to realize the method that multi-screen plays video with screen, it is characterised in that the step C is also
Including：
Data request type is judged by the server of screen playback equipment together, when the request type is for transmission file,
Directly the video data is sent to by the server of screen playback equipment is together treated with screen playback equipment；When the request type is
During played file, then carry out with screen playing process.
5. it is according to claim 1 to realize the method that multi-screen plays video with screen, it is characterised in that to treat to be set with screen broadcasting
It is standby to shield broadcasting together with local video data or network video file are carried out by screen playback equipment together multi-screen.
6. it is a kind of to realize the system that multi-screen plays video with screen, it is characterised in that the system includes：
Communication connection module, treats with screen playback equipment and by the communication connection between the server of screen playback equipment together for setting up；
With playing request module is shielded, for from treating that sending same screen to the server for being shielded playback equipment together with screen playback equipment plays
Video data is asked；
Request processing module, for being asked with screen playing video data according to described by by the server of screen playback equipment together, obtains
The information with the video data for needing to be played with screen in screen playing video data request is taken, the video data played with screen will be needed to play
The IP address of address and the server for being shielded playback equipment together is sent to be treated with screen playback equipment, while determining to need what same screen was played
The current play position of video data, and the video data after the current play position is sent to described treating with screen broadcasting
Equipment；
With screen playing module, for will treat to be solved with the video data shielded after the play position that playback equipment is received
Code, and the video data after broadcast decoder；
Control command synchronization module, in screen playing process, being broadcast to same screen when user is received by screen playback equipment together
During the control instruction put, the control instruction respectively treat with screen playback equipment by being forwarded to by the server of screen playback equipment together；
When same screen playback equipment receives user to the control instruction played is shielded, the control instruction is sent to by same screen and is played
Equipment；Multiple treat with screen playback equipment and by together screen playback equipment between same screen playing process in, when wherein one treat with screen broadcast
When the equipment of putting receives the control instruction of user, this treats to send to being shielded playback equipment together the control instruction with screen playback equipment
Server, by by together screen playback equipment server be forwarded to other respectively treat with screen playback equipment；
The request processing module is additionally operable to when multiple is when with playback equipment is shielded with being carried out with screen broadcasting by screen playback equipment together,
The video data of predefined size is often sent by the server of screen playback equipment together, is just treated and is entered with the reception condition of screen playback equipment
Row cycle criterion, suspend to received video data position rearward treat with screen playback equipment send video data, continue to
Receive video data position it is forward treats send video data with screen playback equipment, until needing with shielding having connect for playback equipment
The video data position for receiving is identical, hereafter, by together screen playback equipment from same video data position, start to need with screen
Playback equipment sends video data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499354.6A CN103517153B (en) | 2012-11-30 | 2012-11-30 | It is a kind of to realize the method and system that multi-screen plays video with screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499354.6A CN103517153B (en) | 2012-11-30 | 2012-11-30 | It is a kind of to realize the method and system that multi-screen plays video with screen |
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| Publication Number | Publication Date |
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| CN103517153A CN103517153A (en) | 2014-01-15 |
| CN103517153B true CN103517153B (en) | 2017-07-11 |
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| CN103945253B (en) | 2014-04-04 | 2018-02-02 | 北京智谷睿拓技术服务有限公司 | Method for controlling volume and equipment, control method for playing multimedia and equipment |
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| CN104918104A (en) * | 2015-05-29 | 2015-09-16 | 四川长虹电器股份有限公司 | Household internet equipment screen transmission system |
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