CN101969460A - Multi-screen synchronized video playing method and system - Google Patents

Multi-screen synchronized video playing method and system Download PDF

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Publication number
CN101969460A
CN101969460A CN2010102955998A CN201010295599A CN101969460A CN 101969460 A CN101969460 A CN 101969460A CN 2010102955998 A CN2010102955998 A CN 2010102955998A CN 201010295599 A CN201010295599 A CN 201010295599A CN 101969460 A CN101969460 A CN 101969460A
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Prior art keywords
video file
playback
webserver
video
playing
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CN101969460B (en
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戴福昊
牛大军
丁剑
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Jia Tong Hui (Beijing) information technology Limited by Share Ltd
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BJB (BEIJING) INFORMATION TECHNOLOGY Co Ltd
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Abstract

The invention provides a multi-screen synchronized video playing method and system. The method of the invention comprises the following steps: a network server sends video files to each playing terminal; when the network server plays the video files, the network server sends the current play information to each playing terminal; and each playing terminal synchronously plays the video files on a local screen through positioning and calibration according to the received video files and current play information. The invention can reduce the cost of system resources and realize better video synchronizing effect.

Description

The method and system that a kind of multi-screen audio video synchronization is play
Technical field
The present invention relates to the video technique field, particularly relate to the method and system that a kind of multi-screen audio video synchronization is play.
Background technology
The development of scientific and technological information has promoted the progress of video technique, and the screen display of video is applied in every field such as outdoor advertising, public transport, promotional display widely.Some occasion needs a plurality of display screens to carry out the video demonstration of same picture simultaneously, for example, and the video playback of a plurality of display terminals of different azimuth angle in the show room.Multi-screen shows that a most important technology is exactly that needs keep the audio video synchronization of a plurality of pictures to play.
The usual way of audio video synchronization is to utilize distributor or split screen device to realize the audio video synchronization broadcast of a plurality of display terminals.Video distributor or split screen device are a kind ofly a video signal source average mark to be made into the equipment of multi-channel video signal, corresponding total monitor of one tunnel vision signal or player.Because parallel video signal decay is bigger, to give behind a plurality of outlet terminals owing to reasons such as impedance do not match, image can serious distortion, and circuit is also unstable.Video distributor is except impedance matching, also has video gain, makes vision signal can give a plurality of output equipments simultaneously and unaffected.By using distributor or split screen device,, make the cost of system increase owing to increased ancillary hardware.In addition, adopt distributor or split screen device to be subject to the restriction of distance, about about 50 meters, when distance increased, transmission signals was of low quality greatly for its effective propagation path, and the flakes noise can appear in the broadcasting pictures on the terminal.
In addition, also having a kind of method is will be that video file is issued to each playback terminal by the Web broadcast mode, and each playback terminal carries out video playback after receiving the broadcast singal of network terminal.Because playback terminal is according to priority sequencing receiving broadcast signal, when terminal quantity more for a long time, bigger delay can appear in received signal, therefore, the synchronous effect of this method is also bad.
In a word, need the urgent technical problem that solves of those skilled in the art to be exactly: the technical scheme that how can provide a kind of multi-screen audio video synchronization to play reduces the cost of system resource, and realizes audio video synchronization effect preferably.
Summary of the invention
Technical problem to be solved by this invention provides the method and system that a kind of multiple terminals audio video synchronization is play, and can reduce the cost of system resource, and realize audio video synchronization effect preferably.
In order to address the above problem, the invention discloses the method that a kind of multi-screen audio video synchronization is play, comprising:
The webserver is sent to each playback terminal with video file;
When webserver playing video file, playing progress rate information is sent to each playback terminal;
Each playback terminal is aligned in the synchronous playing of carrying out video file on the local screen according to the video file and the playing progress rate information that receive by the location.
Further, described playing progress rate information comprises: begin to play sign, playback rate and positioning time; Wherein, be the current reproduction time of the webserver described positioning time.
Preferably, described method also comprises: receive the synchronization of time intenals that the user is provided with; Then when webserver playing video file, current playing progress rate information is sent to playback terminal every described synchronization of time intenals.
Preferably, describedly be aligned in the synchronous playing of carrying out video file on the local screen, specifically comprise by the location:
When playback terminal receives when beginning to play sign, on local screen, begin to carry out the broadcast of video file;
When judging that local playback rate and the playback rate that receives are inconsistent, the playback rate of this locality is adjusted into the playback rate that receives; And, when judging that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time; Wherein, the correction value of described positioning time is: fixing time adds that the webserver is sent to playing progress rate information the time sum of corresponding playback terminal.
Preferably, described method also comprises: according to the selection of user to video file, add at least one video file of appointment on the webserver to playlist; Wherein, corresponding file identification of each video file; According to the selection of user, a plurality of playback terminals of appointment are added in the terminal list playback terminal;
The webserver a plurality of playback terminals that the video file and the file identification thereof of playlist appointment is sent to the terminal list appointment then.
Preferably, described method also comprises: receive the setting of user to the playlist attribute, described playlist attribute comprises: monofile loop play and listing file loop play;
Then the playlist attribute that is provided with according to the user of the webserver carries out the loop play of current single video file, the perhaps loop play of a plurality of video files in the playlist.
Preferably, described playing progress rate information also comprises: with the video file corresponding file sign of current broadcast; Then playback terminal selects corresponding video file to carry out synchronous playing according to the file identification that receives.
In addition, the invention also discloses a kind of multiple terminals audio video synchronization playing system, comprising: the webserver and a plurality of playback terminal; Wherein,
The described webserver comprises:
First communication module is used for video file is sent to each playback terminal, and when playing described video file, playing progress rate information is sent to each playback terminal;
The video playback module is used for playing video file;
Described playback terminal comprises:
Second communication module is used to receive video file and the playing progress rate information that the webserver sends;
The synchronous playing module is used for carrying out on local screen according to the video file that receives the synchronous playing of video file;
The location calibration module is used for according to the playing progress rate information that receives the synchronous playing of video file being positioned calibration.
Further, described playing progress rate information comprises: begin to play sign, playback rate and positioning time; Wherein, be the current reproduction time of the webserver described positioning time.
Preferably, the described webserver also comprises:
Module is set lock in time, is used to receive the synchronization of time intenals that the user is provided with;
Then during the video playback module playing video file of the webserver, first communication module is sent to playback terminal every described synchronization of time intenals with current playing progress rate information.
Preferably, second communication module of described playback terminal receives when beginning to play sign, begins to carry out the broadcast of video file on the local screen of triggering synchronous playing module;
When the location calibration module is judged the playback rate receive with local playback rate when inconsistent, the playback rate of this locality is adjusted into the playback rate that receives; And, when the location calibration module judges that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time;
Wherein, the correction value of described positioning time is: fixing time adds that the webserver is sent to playing progress rate information the time sum of corresponding playback terminal.
Preferably, the described webserver also comprises:
The multifile adding device is used to receive the selection of user to video file, and adds at least one video file of appointment on the webserver to playlist; Wherein, corresponding file identification of each video file;
The multiple terminals selected cell is used to receive the selection of user to playback terminal, and a plurality of playback terminals of appointment are added in the terminal list;
First communication module of the webserver a plurality of playback terminals that the video file and the file identification thereof of playlist appointment is sent to the terminal list appointment then.
Preferably, the described webserver also comprises:
Play attribute the unit is set, be used to receive the setting of user to the playlist attribute, described playlist attribute comprises: monofile loop play and listing file loop play;
Then the playlist attribute that is provided with according to the user of the video playback module of the webserver carries out the loop play of current single video file, the perhaps loop play of a plurality of video files in the playlist.
Preferably, described playing progress rate information also comprises: with the video file corresponding file sign of current broadcast; Then the file identification that receives according to second communication module of the synchronous playing module of playback terminal selects corresponding video file to play.
Compared with prior art, the present invention has the following advantages:
The present invention is sent to each playback terminal with playing progress rate information when webserver playing video file; Each playback terminal is aligned in the synchronous playing of carrying out video file on the local screen according to the video file and the playing progress rate information that receive by the location.Because each playback terminal all is consistent with the playing progress rate of the webserver, then guaranteed the also strict synchronism of playing progress rate between each playback terminal.In addition,, need not to adopt distributor or split screen device like that, saved cost to prior art because it is mutual only need to carry out the transmission of the network information.
In addition, the user can be put terminal and many video files at multicast and be selected configuration flexibly, and, by to each video file configuration file sign, each playback terminal carries out video playback according to the file identification that receives, can be consistent with the video file that the webserver is play.Further,, can adjust synchronous precision flexibly, improve user's Experience Degree by the setting of user to synchronization of time intenals.
Description of drawings
Fig. 1 is the flow chart of the method embodiment one of a kind of multiple terminals of the present invention audio video synchronization broadcast;
Fig. 2 is the flow chart of the method embodiment two of a kind of multiple terminals of the present invention audio video synchronization broadcast;
Fig. 3 is the schematic diagram at the synchronous configuration operation of a kind of webserver of the present invention interface;
Fig. 4 is the structure chart of a kind of multiple terminals of the present invention audio video synchronization playing system embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, show the flow chart of the method embodiment one of a kind of multiple terminals of the present invention audio video synchronization broadcast, comprising:
Step 101, the webserver is sent to each playback terminal with video file;
In order to guarantee that a plurality of playback terminals can show same video pictures, at first, the video file that needs synchronous playing of network server end storage need be sent to each playback terminal.The webserver need not to be connected by distributor or split screen device with playback terminal, but carries out transmission of video signals by the Internet.
Step 102 when webserver playing video file, is sent to each playback terminal with playing progress rate information;
Described playing progress rate information is used for each playback terminal is carried out the location calibration that audio video synchronization is play.Concrete, described playing progress rate information comprises: begin to play sign, playback rate and positioning time; Wherein, be the current reproduction time of the webserver described positioning time.In addition, described degree of putting into information can also comprise other information, for example total length of described video file etc.Further, transmitting time that can be pre-configured then is sent to each playback terminal every certain preset time playing progress rate information that the webserver is current.
Step 103, each playback terminal is aligned in the synchronous playing of carrying out video file on the local screen according to the video file and the playing progress rate information that receive by the location.
Further, describedly be aligned in the synchronous playing of carrying out video file on the local screen, specifically comprise by the location:
Substep 1021 when playback terminal receives when beginning to play sign, begins to carry out the broadcast of video file on local screen;
When the webserver begins to play described video file, begin to play sign by transmission and notify each playback terminal to carry out the synchronous playing of video file.After then each playback terminal received and begins to play sign, the broadcast of video file was carried out in unification, had guaranteed to play the synchronous of start-up course.
Substep 1022 when judging that local playback rate and the playback rate that receives are inconsistent, is adjusted into the playback rate that receives with the playback rate of this locality; And, when judging that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time;
Wherein, the correction value of described positioning time is: fixing time adds that the webserver is sent to playing progress rate information the time sum of corresponding playback terminal.
That is to say, in the process of webserver playing video file, the broadcast of video file is positioned calibration by sending playback rate and positioning time, realize each playback terminal in the video file playing process synchronously.Further, because playback rate influence fast slow progress in the video playback,, can keep the playback rate of a plurality of different playback terminals consistent with each other then by the playback rate of the playback rate of this locality and the webserver that receives is calibrated renewal.In addition, the current reproduction time of playback terminal this locality is carried out calibration correction positioning time according to the webserver that receives, when local broadcasting pictures is leading, with current reproduction time postposition, when local broadcasting pictures lags behind, current reproduction time is preposition, can guarantee that the current broadcasting pictures of a plurality of different playback terminals is consistent with each other.
In embodiments of the present invention, each playback terminal carries out the location calibration that audio video synchronization is play according to the current playing progress rate information of the webserver playing video file that receives, because each playback terminal all is consistent with the playing progress rate of the webserver, then guaranteed the also strict synchronism of playing progress rate between each playback terminal.In addition,, need not to adopt distributor or split screen device like that, saved cost to prior art because it is mutual only need to carry out the transmission of the network information.
With reference to Fig. 2, show the flow chart of the method embodiment two of a kind of multiple terminals of the present invention audio video synchronization broadcast, comprising:
Step 201 according to the selection of user to video file, is added at least one video file of appointment on the webserver to playlist; Wherein, corresponding file identification of each video file;
In some cases, each playback terminal is not only play one section video, and needs to play the multistage video file, therefore all will carry out synchronously the video playback of each section.The user can be from webserver selection some or certain several video file wherein.
As shown in Figure 3, be the schematic diagram at the synchronous configuration operation of a kind of webserver of embodiment of the invention interface.In this example, the user has selected four video files to add in the playlist, to treat synchronous playing.At each video file of choosing, dispose corresponding file identification, for example, can be designated 00,01,10,11 according to the order in playlist configuration file successively.In embodiments of the present invention, which video file described file identification has just been represented corresponding to, and the form of expression of this sign is not done qualification, for example, can filename as sign, can also give corresponding digital according to ascending order.
Step 202 according to the selection of user to playback terminal, is added a plurality of playback terminals of appointment in the terminal list to;
In embodiments of the present invention, record the IP address of each playback terminal on the webserver, the user can select certain a part of playback terminal is provided with synchronously targetedly.
Step 203, a plurality of playback terminals that the webserver is sent to the terminal list appointment with the video file and the file identification thereof of playlist appointment;
After the user selected configuration to video file and playback terminal, the webserver was sent to corresponding playback terminal with one or more user-selected video file.Because playback terminal may receive a plurality of video files,, also need the corresponding file sign is sent to playback terminal in order to discern different video files.
Step 204 receives the synchronization of time intenals that the user is provided with;
Step 205 when the webserver is play described video file, is sent to playback terminal every described synchronization of time intenals with current playing progress rate information;
In embodiments of the present invention, the user can be provided with different synchronization of time intenals.Common, the described time interval is several seconds.When synchronization of time intenals was longer, then each playback terminal need wait for that the long period carries out the calibration of synchronized positioning, has saved the delivery flow rate of Internet resources; When synchronization of time intenals more in short-term, then each playback terminal can carry out the calibration of synchronized positioning soon, video pictures comparatively accurate synchronously.As shown in Figure 3, in functional areas, described alignment intervals of video promptly is equivalent to the described synchronization of time intenals of the embodiment of the invention, this time is set to 2 seconds, also be, the webserver sends a playing progress rate information every two seconds to each playback terminal, and is corresponding, and playback terminal carries out the synchronized positioning calibration that a time local video is play every two seconds.
In embodiments of the present invention, because the user selects a plurality of video files are carried out synchronous playing, then the playing progress rate information that sends to playback terminal is play sign, playback rate and positioning time etc. except beginning, and also comprises: with the video file corresponding file sign of current broadcast.
Step 206, each playback terminal are selected corresponding video file according to the file identification that receives; Carry out the broadcast of video file when identifying when receiving to begin to play;
Playback terminal has been known the mapping relations of different video and file identification when receiving video file, then the file identification of the video file of the current broadcast that sends according to the webserver selects corresponding video to play.Be understandable that, when the webserver begins to play one section new video file, need to send file identification and begin to play sign, to notify each playback terminal to need displaying video and to play that section video, and afterwards in the calibration of the synchronized positioning in the video display process, only need to send playback rate and positioning time.
Step 207, playback rate that foundation receives and positioning time, playback rate and the current reproduction time to the local video file positioned calibration.
Wherein, when judging that local playback rate and the playback rate that receives are inconsistent, the playback rate of this locality is updated to the playback rate that receives; When judging that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time.
In a preferred embodiment of the invention, described method also comprises:
Receive the setting of user to the playlist attribute, described playlist attribute comprises: monofile loop play and listing file loop play; Then the playlist attribute that is provided with according to the user of the webserver carries out the loop play of current single video file, the perhaps loop play of a plurality of video files in the playlist.
As shown in Figure 3, two options of monofile loop play and listing file loop play in functional areas, have been provided.By the setting of user, can control the loop play of the single or multifile of video file at the webserver one end to these two playlist attributes.Then, the video file and the webserver of each playback terminal broadcast are consistent by to the video file corresponding file sign of playback terminal transmission with current broadcast.
Need to prove that the webserver is provided with multinomially selects the function choosing-item that disposes for the user.Selection to video file as mentioned above, to the selection of playback terminal, to the setting of synchronization of time intenals, playlist attribute etc.In the specific implementation, each execution in step can not operated according to the above-mentioned given order of the embodiment of the invention.For example, the selection of each function, configuration can before and after transposing, as with step 204 as for before the step 201, the present invention carries out the priority of each step and does not do concrete qualification.
The embodiment of the invention, the user can be put terminal and many video files at multicast and be selected configuration flexibly, and, by each video file configuration file is identified, each playback terminal carries out video playback according to the file identification that receives, can be consistent with the video file that the webserver is play.In addition, by the setting of user, can adjust synchronous precision flexibly to synchronization of time intenals.Improved user's Experience Degree by the embodiment of the invention.
Accordingly, with reference to Fig. 4, show the structure chart of a kind of multiple terminals of the present invention audio video synchronization playing system embodiment, described system comprises: the webserver 41 and a plurality of playback terminal 42, as shown in Figure 4, comprise playback terminal 42A, playback terminal 42A, playback terminal 42A...... wherein
The described webserver 41 comprises:
First communication module 411 is used for video file is sent to each playback terminal, and when playing described video file, playing progress rate information is sent to each playback terminal;
Video playback module 412 is used for playing video file;
Described each playback terminal comprises:
Second communication module 421 is used to receive video file and the playing progress rate information that the webserver sends;
Synchronous playing module 422 is used for carrying out on local screen according to the video file that receives the synchronous playing of video file;
Location calibration module 423 is used for according to the playing progress rate information that receives the synchronous playing of video file being positioned calibration.
Further, described playing progress rate information comprises: begin to play sign, playback rate and positioning time; Wherein, be the current reproduction time of the webserver described positioning time.
Concrete, second communication module of described playback terminal receives when beginning to play sign, begins to carry out the broadcast of video file on the local screen of triggering synchronous playing module; When the location calibration module is judged the playback rate receive with local playback rate when inconsistent, the playback rate of this locality is adjusted into the playback rate that receives; And, when the location calibration module judges that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time; Wherein, the correction value of described positioning time is: fixing time adds that the webserver is sent to playing progress rate information the time sum of corresponding playback terminal.
In a preferred embodiment of the invention, the described webserver also comprises:
Module is set lock in time, is used to receive the synchronization of time intenals that the user is provided with;
Then during the video playback module playing video file of the webserver, first communication module is sent to playback terminal every described synchronization of time intenals with current playing progress rate information.
In another preferred embodiment of the present invention, the described webserver also comprises:
The multifile adding device is used to receive the selection of user to video file, and adds at least one video file of appointment on the webserver to playlist; Wherein, corresponding file identification of each video file;
The multiple terminals selected cell is used to receive the selection of user to playback terminal, and a plurality of playback terminals of appointment are added in the terminal list;
First communication module of the webserver a plurality of playback terminals that the video file and the file identification thereof of playlist appointment is sent to the terminal list appointment then.
Further, in another preferred embodiment of the present invention, the described webserver also comprises:
Play attribute the unit is set, be used to receive the setting of user to the playlist attribute, described playlist attribute comprises: monofile loop play and listing file loop play;
Then the playlist attribute that is provided with according to the user of the video playback module of the webserver carries out the loop play of current single video file, the perhaps loop play of a plurality of video files in the playlist.
Further, described playing progress rate information also comprises: with the video file corresponding file sign of current broadcast; Then the file identification that receives according to second communication module of the synchronous playing module of playback terminal selects corresponding video file to play.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For system embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than method and system that a kind of multi-screen audio video synchronization provided by the present invention is play, be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (14)

1. the method that the multi-screen audio video synchronization is play is characterized in that, comprising:
The webserver is sent to each playback terminal with video file;
When webserver playing video file, playing progress rate information is sent to each playback terminal;
Each playback terminal is aligned in the synchronous playing of carrying out video file on the local screen according to the video file and the playing progress rate information that receive by the location.
2. the method for claim 1 is characterized in that,
Described playing progress rate information comprises: begin to play sign, playback rate and positioning time;
Wherein, be the current reproduction time of the webserver described positioning time.
3. method as claimed in claim 2 is characterized in that, described method also comprises:
Receive the synchronization of time intenals that the user is provided with;
Then when webserver playing video file, current playing progress rate information is sent to playback terminal every described synchronization of time intenals.
4. method as claimed in claim 2 is characterized in that, describedly is aligned in the synchronous playing of carrying out video file on the local screen by the location, specifically comprises:
When playback terminal receives when beginning to play sign, on local screen, begin to carry out the broadcast of video file;
When judging that local playback rate and the playback rate that receives are inconsistent, the playback rate of this locality is adjusted into the playback rate that receives; And,
When judging that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time;
Wherein, the correction value of described positioning time is: fixing time adds that the webserver is sent to playing progress rate information the time sum of corresponding playback terminal.
5. method as claimed in claim 2 is characterized in that, described method also comprises:
According to the selection of user, add at least one video file of appointment on the webserver to playlist to video file; Wherein, corresponding file identification of each video file;
According to the selection of user, a plurality of playback terminals of appointment are added in the terminal list playback terminal;
The webserver a plurality of playback terminals that the video file and the file identification thereof of playlist appointment is sent to the terminal list appointment then.
6. method as claimed in claim 5 is characterized in that, described method also comprises:
Receive the setting of user to the playlist attribute, described playlist attribute comprises: monofile loop play and listing file loop play;
Then the playlist attribute that is provided with according to the user of the webserver carries out the loop play of current single video file, the perhaps loop play of a plurality of video files in the playlist.
7. method as claimed in claim 6 is characterized in that,
Described playing progress rate information also comprises: with the video file corresponding file sign of current broadcast;
Then playback terminal selects corresponding video file to carry out synchronous playing according to the file identification that receives.
8. a multiple terminals audio video synchronization playing system is characterized in that, comprising: the webserver and a plurality of playback terminal; Wherein,
The described webserver comprises:
First communication module is used for video file is sent to each playback terminal, and when playing described video file, playing progress rate information is sent to each playback terminal;
The video playback module is used for playing video file;
Described playback terminal comprises:
Second communication module is used to receive video file and the playing progress rate information that the webserver sends;
The synchronous playing module is used for carrying out on local screen according to the video file that receives the synchronous playing of video file;
The location calibration module is used for according to the playing progress rate information that receives the synchronous playing of video file being positioned calibration.
9. system as claimed in claim 8 is characterized in that,
Described playing progress rate information comprises: begin to play sign, playback rate and positioning time;
Wherein, be the current reproduction time of the webserver described positioning time.
10. system as claimed in claim 9 is characterized in that, the described webserver also comprises:
Module is set lock in time, is used to receive the synchronization of time intenals that the user is provided with;
Then during the video playback module playing video file of the webserver, first communication module is sent to playback terminal every described synchronization of time intenals with current playing progress rate information.
11. system as claimed in claim 9 is characterized in that,
Second communication module of described playback terminal receives when beginning to play sign, begins to carry out the broadcast of video file on the local screen of triggering synchronous playing module;
When the location calibration module is judged the playback rate receive with local playback rate when inconsistent, the playback rate of this locality is adjusted into the playback rate that receives; And, when the location calibration module judges that local current reproduction time and the correction value of the positioning time that receives are inconsistent, the current reproduction time of this locality is adjusted into the correction value of positioning time;
Wherein, the correction value of described positioning time is: fixing time adds that the webserver is sent to playing progress rate information the time sum of corresponding playback terminal.
12. system as claimed in claim 9 is characterized in that,
The described webserver also comprises:
The multifile adding device is used to receive the selection of user to video file, and adds at least one video file of appointment on the webserver to playlist; Wherein, corresponding file identification of each video file;
The multiple terminals selected cell is used to receive the selection of user to playback terminal, and a plurality of playback terminals of appointment are added in the terminal list;
First communication module of the webserver a plurality of playback terminals that the video file and the file identification thereof of playlist appointment is sent to the terminal list appointment then.
13. system as claimed in claim 12 is characterized in that, the described webserver also comprises:
Play attribute the unit is set, be used to receive the setting of user to the playlist attribute, described playlist attribute comprises: monofile loop play and listing file loop play;
Then the playlist attribute that is provided with according to the user of the video playback module of the webserver carries out the loop play of current single video file, the perhaps loop play of a plurality of video files in the playlist.
14. system as claimed in claim 13 is characterized in that,
Described playing progress rate information also comprises: with the video file corresponding file sign of current broadcast;
Then the file identification that receives according to second communication module of the synchronous playing module of playback terminal selects corresponding video file to play.
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CN102752642A (en) * 2012-06-18 2012-10-24 李洋 Method and system for synchronously broadcasting multi-terminal video based on IP (internet protocol) network
CN103036922A (en) * 2011-09-30 2013-04-10 青岛海信电器股份有限公司 Method for browsing media files continuously in different electronic terminals and electronic terminal
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CN104992717A (en) * 2015-07-29 2015-10-21 张阳 Cyclic song playing method and system
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