CN103517153A - Method and system for achieving one-screen video playing in multi-screen mode - Google Patents
Method and system for achieving one-screen video playing in multi-screen mode Download PDFInfo
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Abstract
The invention discloses a method and system for achieving one-screen video playing in a multi-screen mode. The method comprises the steps that communication connection is built between equipment achieving one-screen playing and a server of equipment receiving one-screen playing; the equipment achieving one-screen playing sends a one-screen playing video data request to the server of the equipment receiving one-screen playing; the server of the equipment receiving one-screen playing determines the current playing position of video data needing one-screen playing according to the one-screen playing video data request, and sends the video data behind the current playing position to the equipment achieving one-screen playing; the equipment receiving one-screen playing decodes the received video data behind the playing position, and plays the decoded video data. The method and system effectively avoids influence on coding efficiency, and not only achieves double-direction one-screen playing in the multi-screen mode, but also achieves a multi-screen controllable function.
Description
Technical field
The present invention relates to Display on the same screen field, in particular a kind of multi-screen of realizing is with the method and system of screen displaying video.
Background technology
Along with the development of technology, more and more deep with the research of screen play-back technology to multi-screen, the implementation method of playing with screen is also varied.
Existing same screen is play and is mainly contained two kinds of typical schemes, and a kind of is that the screen of TV or Pad is passed on mobile phone screen, at TV or Pad end, controls screen, and mobile phone is to show; Also having a kind of is that the screen of PC is passed on Pad screen, and PC and Pad can control screen simultaneously.
In this two schemes, except first scheme has added control mutual, two schemes is the same in the essence of playing with screen, is all the content of whole screen is sent out, detailed process as shown in Figure 1:
1) at transmitting terminal, the video that capture screen shows;
2) video capturing is encoded;
3) audio frequency on capture screen;
4) audio frequency capturing is encoded;
5) audio frequency of the video of the 2nd step coding and the 4th step coding is carried out to mixing, be mixed into bit stream data;
6) bit stream data is transferred to receiving terminal by server;
7) receive the data that send over;
8) data that receive are issued to player;
9) player decoding;
10) decoded data is outputed to receiving terminal screen display.
By step above, can be found out, as long as transmission is guaranteed, just the content of the screen display of transmitting terminal can be sent to receiving terminal in real time, realize the same screen playing function on both sides.
Yet, in the existing scheme of playing with screen, no matter be that the screen of TV or Pad is passed on mobile phone screen, or the screen of PC is passed on Pad screen, owing to being subject to the restriction of code efficiency, be all one-way transmission.Mobile phone screen is passed on TV, and resolution is just very little, and the picture element passing on TV is not high, shows not too large meaning; And resolution is large, coding is not realized again.And transmitted in both directions also must make two equipment all will support to grab screen function.
So with shielding in play-back technology, the two-way effect with screen is bad, and also higher to the requirement of system existing; Be mostly man-to-man, efficiency is lower; Aspect control, only have a few devices can accomplish two-way control, and it is multi-control to realize multi-screen.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
For the above-mentioned defect of prior art, the invention provides a kind of multi-screen of realizing with the method and system of screen displaying video, overcome the impact of code efficiency, not only realize two-way multi-screen and play with screen, but also realize multi-screen controllable function.
The technical scheme that technical solution problem of the present invention adopts is as follows:
Realize multi-screen with a method for screen displaying video, wherein, comprise the following steps:
A, treat to establish a communications link with screen playback equipment and the server that is shielded together playback equipment;
B, treat to send with the request of screen playing video data to the server that is shielded together playback equipment with screen playback equipment;
C, shielded together playback equipment server according to described with the request of screen playing video data, determine the current play position that needs the video data play with screen, and treat with screen playback equipment described in the video data transmitting after described current play position is given;
D, described in treat with screen playback equipment, the video data after the described play position receiving to be decoded, and the video data after broadcast decoder.
The described multi-screen of realizing is with the method for screen displaying video, wherein, described in treat that with screen playback equipment be one or more.
Described realizes multi-screen with the method for screen displaying video, and wherein, it is the video data of not decoding in video file that the server that is shielded together playback equipment sends to the video data for the treatment of with screen playback equipment.
Described realizes multi-screen with the method for screen displaying video, wherein, described step C also comprises: when a plurality of until with screen playback equipment when being shielded together playback equipment and carry out playing with screen, the video data that is shielded together the pre-sizing of the every transmission of server of playback equipment, with regard to treating with the reception condition of screen playback equipment, carry out cycle criterion, treating after time-out leans on to receiving video data position sends video data with screen playback equipment, continuation is to forward the treating with screen playback equipment transmission video data in receiving video data position, until needing is identical with the video data position having received of screen playback equipment, then, shielded together playback equipment from same position, beginning sends video data to need with screen playback equipment.
Described realizes multi-screen with the method for screen displaying video, and wherein, described step C also comprises:
The server that is shielded together playback equipment judges data request type, and when described request type is transfer files, the server that is shielded together playback equipment is directly given described video data transmitting and treated with screen playback equipment; When described request type is played file, carry out with screen playing process.
Described realizes multi-screen with the method for screen displaying video, wherein, after described step D, also comprise: in the time of in screen playing process, when by shielded together playback equipment or until with screen playback equipment, receive user to screen, play control command time, this control command is forwarded to and is respectively treated, with screen playback equipment, to make control command synchronous by the server that is shielded together playback equipment.
Realize multi-screen with a system for screen displaying video, wherein, described system comprises:
Communication connection module, for setting up the communication connection between the server for the treatment of same screen playback equipment and being shielded together playback equipment;
With screen playing request module, for sending with the request of screen playing video data to the server that is shielded together playback equipment with screen playback equipment by treating;
Request processing module, be used for by the server that is shielded together playback equipment according to the request of described same screen playing video data, determine the current play position needing with the video data of screen broadcasting, and treat with screen playback equipment described in the video data transmitting after described current play position is given;
With screen playing module, for the video data after the described play position for the treatment of to receive with screen playback equipment is decoded, and the video data after broadcast decoder.
Described realizes multi-screen with the system of screen displaying video, and wherein, described system also comprises:
Control command synchronization module, be used at same screen playing process, when wherein being shielded together playback equipment or when receiving user to the control command of video data with screen playback equipment, this control command is forwarded to and is respectively treated, with screen playback equipment, to make control command synchronous by the server that is shielded together playback equipment.
The multi-screen of realizing provided by the present invention, with the method and system of screen displaying video, has effectively overcome the impact of code efficiency, not only realizes two-way multi-screen and plays with screen, but also realize multi-screen controllable function.
Accompanying drawing explanation
Fig. 1 is with the flow chart that shields play-back technology in prior art.
Fig. 2 is that the multi-screen of realizing provided by the invention is with the method flow diagram of screen displaying video.
Fig. 3 is that the multi-screen of realizing provided by the invention is with the flow chart of a preferred embodiment of the method for screen displaying video.
Fig. 4 is that the multi-screen of realizing provided by the invention is with the structural representation of the system of screen displaying video.
Fig. 5 is that the multi-screen of realizing provided by the invention is with the structural representation of a preferred embodiment of the system of screen displaying video.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In order to overcome the impact that is subject to code efficiency in existing same screen technology with screen displaying video, the present invention, not having the data of decoding to send out in the video source file that will play, is decoded by receiving terminal, and directly shows, has so just avoided the restriction of coding.
Refer to Fig. 2, Fig. 2 is the method flow diagram of realizing the same screen of multi-screen displaying video provided by the invention, comprises the following steps:
Step S100, treat to establish a communications link with screen playback equipment and the server that is shielded together playback equipment;
Step S200, treat to send with the request of screen playing video data to the server that is shielded together playback equipment with screen playback equipment;
Step S300, shielded together playback equipment server according to described with the request of screen playing video data, determine the current play position needing with the video data of screen broadcasting, and treat with screen playback equipment described in the video data transmitting after described current play position is given;
Step S400, described in treat with screen playback equipment, the video data after the described play position receiving to be decoded, and the video data after broadcast decoder.
Treat to being shielded together playback equipment, to send with the request of screen playing video data by player with screen playback equipment, shielded together playback equipment, by player, needs are shielded together to the server of the documentary information self of playing, the server that is shielded together playback equipment takes out file data from corresponding file address, and issues and treat with screen playback equipment.Owing to treating to be not limited to one with screen playback equipment, therefore, the present invention is not merely that simple man-to-man same screen is play, and can also be that many-to-one a plurality of screen is with screen broadcasting.
In the present embodiment, the server that is shielded together playback equipment is mainly realized three functions, is respectively Transmit message information, sends and treat with screen playing video data and forward control command.Wherein, fileinfo includes file broadcast address and server ip address etc. information, and these information send to each to treat with screen playback equipment by the server that is shielded together playback equipment at each when establishing a communications link with the server that is shielded together playback equipment with screen playback equipment.The video data that is shielded together the server transmission of playback equipment is not whole video file, but effectively data of decoding not in video file, and the video data sending is the video data after current play position, for the video data of having play, the server that is shielded together playback equipment does not send, to save transmission bandwidth, improve data transmission efficiency.And when carrying out controlling with screen, if shielded together playback equipment, receive the control command that user sends, its server through self is transmitted to coupled treating with screen playback equipment, by treating to carry out corresponding Play Control with screen playback equipment according to this control command; If receive and treat to shield together playback equipment the control command that user sends, treat this control command to be sent to the server that is shielded together playback equipment with screen playback equipment, by this server, be forwarded to other and respectively treat to control accordingly with screen playback equipment, realize a plurality of with the Synchronization Control between screen playback equipment.
Below one is treated with screen playback equipment and is shielded together playback equipment to carry out being described with shielding the process of playing, treat to establish a communications link with screen playback equipment and the server that is shielded together playback equipment, afterwards, treat can send the request with screen playing video data to the server that is shielded together playback equipment with screen playback equipment, the server that is shielded together playback equipment is resolved this request, obtain in request and need with the information of shielding the video data of playing, the broadcast address of the video data that need are play with screen and the IP address of being shielded together the server of playback equipment send to treats with screen playback equipment.Meanwhile, the server that is shielded together playback equipment can, according to the play position of its in progress video data, be given the video data transmitting after this play position to treat with screen playback equipment.Until receiving after the video data of the server transmission of being shielded together playback equipment with screen playback equipment, this video data is decoded, and the video data after broadcast decoder.The same screen of so just having realized between two playback equipments is play.
In the present invention, each treats that the video data of playing with screen has specific broadcast address, treats that the video data of playing with screen can be that the video data providing with on the video data on screen playback equipment or the Internet is provided in this locality.
In playing process, being shielded together playback equipment can send to the control command of this operation to treat same screen playback equipment by its server according to user to play the operation of carrying out with screen, by treating that carrying out corresponding same screen with screen playback equipment according to this control command controls.For example, when being shielded together playback equipment and receive user and increase the operation of volume, shielded together playback equipment the control command of increase volume is sent to and treated with screen playback equipment, by treating with the increase of shielding playback equipment control self broadcast sound volume, and then realized the Synchronization Control of volume.And the control command of Synchronization Control is not limited to be sent by shielding together playback equipment, also can be by treating that same screen playback equipment sends, if treated with having user to operate on screen playback equipment, treat the control command of this operation to be sent to and shielded together playback equipment with screen playback equipment, by being shielded together playback equipment, carry out corresponding Synchronization Control.This Synchronization Control can be also the operations such as playing progress rate adjusting.Therefore, this Synchronization Control is not limited to a certain Play Control, if one in two equipment playing with screen has user to operate, this playback equipment all can be sent to another playback equipment by the control command of user's operation, realizes the Synchronization Control of two equipment.
The same screen that the present invention not only can realize between two playback equipments is play, can also realize a plurality for the treatment of and play with the same screen that shielded together between playback equipment with screen playback equipment, below just to a plurality of, treat that screen playback equipment together and the same screen playing process being shielded together between playback equipment are described.When carrying out plural multi-screen with screen broadcasting, first a plurality for the treatment of establish a communications link with the server that is shielded together playback equipment with screen playback equipment, connect after foundation, a plurality for the treatment of sends with screen playing request to the server that is shielded together playback equipment respectively with screen playback equipment, the server that is shielded together playback equipment is resolved respectively above-mentioned request, obtain the information that needs the video data play with screen in request, the broadcast address of the video data that need are play with screen and the IP address of being shielded together the server of playback equipment send to treats with screen playback equipment.Meanwhile, shielded together playback equipment and can, according to the play position of its in progress video data, by the video data transmitting after this play position, be given a plurality for the treatment of with screen playback equipment.After a plurality of video datas that receive the server transmission of being shielded together playback equipment until same screen playback equipment, this video data is decoded, and the video data after broadcast decoder.So just having realized a plurality for the treatment of plays with the same screen that shields playback equipment and shielded together between playback equipment.
And play with the same screen that shielded together between playback equipment with screen playback equipment for a plurality for the treatment of, in order to strengthen the synchronism of the server transmission video data that is shielded together playback equipment, it is synchronous that the present embodiment also needs that above-mentioned same screen process is carried out to data.In data synchronization process, owing to respectively treating that the same screen cut-in timing point with screen playback equipment is different, and network transmission speed in time may be different, therefore respectively treat with screen playback equipment the video data volume received on backstage different, thereby cause being shielded together playback equipment need be from different Data Positions to respectively treating to send data with screen playback equipment, make to be shielded together playback equipment and need to repeatedly skip and carry out data transmission, and then it is unstable to cause that data send.Therefore, shielded together the video data of the pre-sizing of the every transmission of server of playback equipment, just treat with the video data reception condition of screen playback equipment and carry out cycle criterion.Treating after leaning on for receiving video data position, with screen playback equipment, suspended and sent video data.To forward the treating with screen playback equipment in receiving video data position, continue to send video data, until needing is identical with the video data position having received of screen playback equipment, now, shielded together playback equipment from same video data position, start with screen playback equipment, to send video data to need.Through data synchronization process, can make to be shielded together playback equipment and with screen playback equipment, send video data from same video data position to need, avoid being shielded together playback equipment repeatedly skipping when sending data and cause same screen process unstable.
A plurality of, treat with screen playback equipment and shielded together in the same screen playing process between playback equipment, controlled in order to realize multi-screen, if had wherein, one treat that same screen playback equipment receives user's control command, this treats can carry out corresponding control operation according to this control command with screen playback equipment.Simultaneously, this treats this control command to be sent to the server that is shielded together playback equipment with screen playback equipment, by the server that is shielded together playback equipment, be forwarded to other and respectively treat with screen playback equipment, by other, respectively treated according to control command, to carry out corresponding control operation with screen playback equipment.And if shielded together playback equipment and received user's control command, by himself server, directly forward this control command to respectively treating with screen playback equipment, by respectively treating to carry out corresponding control operation with screen playback equipment according to control command.So just well realized the Synchronization Control of playing with screen.
Therefore, no matter being one treats with screen playback equipment and is shielded together same screen or a plurality of the treating with shielding playback equipment and being shielded together the same screen between playback equipment between playback equipment, when each playback equipment has carried out playing with screen, as long as wherein there is a playback equipment to receive user to the control command of playing with screen, this control command all can be forwarded to and respectively be treated with screen playback equipment by the server that is shielded together playback equipment, make control command synchronous, realize the Synchronization Control of playing with screen.
Due to as previously mentioned, the present invention not only supports the multi-screen of local video data to play with screen, and also the multi-screen of network enabled video file is play with screen.And play with screen at the multi-screen that carries out network video file, the present invention has also increased a buffer device, for cushioning the data of automatic network, to improve with screen broadcasting speed, reduces the impact that network blockage causes.
Multi-screen provided by the invention is with screen play-back technology, and what do not rely on chip grabs screen function, so ，Bu Shou supplier's restriction, can be applied to flexibly each platform.
Further, process of the present invention not only can be applied to play with screen, can also be for file transfer, if process of the present invention is applied to file transfer, the present invention need judge the request type with screen request when sending with screen request, with a specific embodiment, the multi-screen when needing file transfer describes with the concrete implementation step of screen below, as shown in Figure 3, comprises the following steps:
Step S101, treat by self player, to the server that is shielded together playback equipment, to send request of data with screen playback equipment;
Step S102, shielded together this request of data of server parses of playback equipment, and therefrom found out the broadcast address of the player sending request;
Step S103, the server that is shielded together playback equipment judge request type;
If step S104 request type is transfer files, the server that is shielded together playback equipment is given the video data transmitting of request to treat with screen playback equipment;
If step S105 request type is played file, the server that is shielded together playback equipment is determined the current play position of the video data of request;
Step S106, the server that is shielded together playback equipment are given the video data transmitting after current play position to treat with screen playback equipment;
Step S107, treat with screen playback equipment, described video data to be decoded, and the video data after broadcast decoder.
Based on the above-mentioned multi-screen of realizing, with the method for screen displaying video, the present invention also provides a kind of multi-screen of realizing with the system of screen displaying video, and as shown in Figure 4, described system comprises:
With screen playing request module 20, for sending with the request of screen playing video data to the server that is shielded together playback equipment with screen playback equipment by treating;
With screen playing module 40, for the video data after the described play position for the treatment of to receive with screen playback equipment is decoded, and the video data after broadcast decoder.
Further, as shown in Figure 5, described system also comprises control command synchronization module 50, be used at same screen playing process, when wherein by shielded together playback equipment or until with screen playback equipment, receive user to screen, play control command time, this control command is forwarded to and is respectively treated, with screen playback equipment, to make control command synchronous by the server that is shielded together playback equipment.
In sum, existing multi-screen provided by the invention is with the method and system of screen displaying video, for existing same screen technology, be mainly subject to the impact of code efficiency, when carrying out playing with screen, the video grace that directly will play does not have the data of decoding to send out in seeing, by receiving terminal, directly decode demonstration, implementation method is simple, and successful.Multi-screen of the present invention is play and is not relied on the restriction of grabbing screen function ，Bu Shou supplier that chip provides with screen simultaneously, can be applied to more flexibly each platform.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (9)
1. realize multi-screen with a method for screen displaying video, it is characterized in that, comprise the following steps:
A, treat to establish a communications link with screen playback equipment and the server that is shielded together playback equipment;
B, treat to send with the request of screen playing video data to the server that is shielded together playback equipment with screen playback equipment;
C, shielded together playback equipment server according to described with the request of screen playing video data, determine the current play position that needs the video data play with screen, and treat with screen playback equipment described in the video data transmitting after described current play position is given;
D, described in treat with screen playback equipment, the video data after the described play position receiving to be decoded, and the video data after broadcast decoder.
According to claim 1 realize multi-screen with screen displaying video method, it is characterized in that, described in treat with screen playback equipment for one or more.
3. the multi-screen of realizing according to claim 1, with the method for screen displaying video, is characterized in that, it is the video data of not decoding in video file that the server that is shielded together playback equipment sends to the video data for the treatment of with screen playback equipment.
4. the multi-screen of realizing according to claim 1, with the method for screen displaying video, is characterized in that, described step C also comprises:
When a plurality of until with screen playback equipment when being shielded together playback equipment and carry out playing with screen, the video data that is shielded together the pre-sizing of the every transmission of server of playback equipment, with regard to treating with the reception condition of screen playback equipment, carry out cycle criterion, treating after time-out leans on to receiving video data position sends video data with screen playback equipment, continuation is to forward the treating with screen playback equipment transmission video data in receiving video data position, until needing is identical with the video data position having received of screen playback equipment, after this, shielded together playback equipment from same video data position, beginning sends video data to need with screen playback equipment.
5. the multi-screen of realizing according to claim 1, with the method for screen displaying video, is characterized in that, described step C also comprises:
The server that is shielded together playback equipment judges data request type, and when described request type is transfer files, the server that is shielded together playback equipment is directly given described video data transmitting and treated with screen playback equipment; When described request type is played file, carry out with screen playing process.
6. the multi-screen of realizing according to claim 1 is with the method for screen displaying video, it is characterized in that, after described step D, also comprise: in the time of in screen playing process, when by shielded together playback equipment or until with screen playback equipment, receive user to screen, play control command time, this control command is forwarded to and is respectively treated, with screen playback equipment, to make control command synchronous by the server that is shielded together playback equipment.
7. the method that realizes the same screen of multi-screen displaying video according to claim 1, is characterized in that, treats same screen playback equipment and shielded together playback equipment to carry out the same screen broadcasting of multi-screen of local video data or network video file.
8. realize multi-screen with a system for screen displaying video, it is characterized in that, described system comprises:
Communication connection module, for setting up the communication connection between the server for the treatment of same screen playback equipment and being shielded together playback equipment;
With screen playing request module, for sending with the request of screen playing video data to the server that is shielded together playback equipment with screen playback equipment by treating;
Request processing module, be used for by the server that is shielded together playback equipment according to the request of described same screen playing video data, determine the current play position needing with the video data of screen broadcasting, and treat with screen playback equipment described in the video data transmitting after described current play position is given;
With screen playing module, for the video data after the described play position for the treatment of to receive with screen playback equipment is decoded, and the video data after broadcast decoder.
9. the multi-screen of realizing according to claim 8, with the system of screen displaying video, is characterized in that, described system also comprises:
Control command synchronization module, be used at same screen playing process, when wherein by shielded together playback equipment or until with screen playback equipment, receive user to screen, play control command time, this control command is forwarded to and is respectively treated, with screen playback equipment, to make control command synchronous by the server that is shielded together playback equipment.
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| 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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| 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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