CN1609784A - Light weight method for co-broadcasting filmslide file under network environment - Google Patents
Light weight method for co-broadcasting filmslide file under network environment Download PDFInfo
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- CN1609784A CN1609784A CN 200310100573 CN200310100573A CN1609784A CN 1609784 A CN1609784 A CN 1609784A CN 200310100573 CN200310100573 CN 200310100573 CN 200310100573 A CN200310100573 A CN 200310100573A CN 1609784 A CN1609784 A CN 1609784A
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- 230000002195 synergetic effect Effects 0.000 abstract 6
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Abstract
The present invention realizes synergetic lantern slide playing based on command by means of the PowerPoint lantern slide playing tool software. The method includes the following steps. The participators obtain the PowerPoint lantern slide files via email or other mode and establish TCP connection with one server in advance. During synergetic playing, the server transmits the synergistic command via network to the participators, and the participators call the automatic interface in the corresponding PowerPoint lantern slide playing tool software to realize synergetic playing. The present invention has less synergistic data transmitted in network, saving in bandwidth, less transmission time delay, good synergistic effect, safety protection to the participators' computers and convenient and flexible man-machine interaction, and may be integrated into other system easily.
Description
Technical field
The present invention relates to a kind of light weight method of playing the PowerPoint slide file of in network environment, working in coordination with, exactly, relate to a kind of lightweight implementation method of playing same PowerPoint slide file of in Internet or Intranet, working in coordination with, the CSCW applications technical field that belongs to computer application software
Background technology
At present, realize that by network the collaborative scheme of playing of PowerPoint slide file generally is to utilize general computer desktop technology of sharing (such as agreement T.120) or utilize stream media technology to realize (such as Microsoft Media Service). Its principle is to transmit change information or the video/audio stream information of screen between the each side of sharing. These technical schemes exist following problem and shortcoming: the synchronizing information data volume that transmit (1) is large, if share with RGB/high-resolution, then effect is poor in the Internet environment. (2) T.120 the realization of agreement generally is the application of P2P, has the problem need passing fire wall firewall, if both sides under strict fire wall firewall protection, then can't realize; And stream media technology generally needs the higher media server of cost, and its load/network traffics are very large, also is unwell on Internet in many ways collaborative. (3) man-machine interaction underaction participates in each side by synchronously strict, and some local operations are difficult to carry out, such as not browsing the PowerPoint lantern slide in nonsynchronous mode.
Owing to utilizing many occasions such as the meeting of network realization multimedia remote, remote teaching and tele-medicine, the broadcast of PowerPoint slide file has special purposes, thus in the industry many personages to how to utilize network environment is simpler and easy, convenient, the collaborative PowerPoint of broadcast file is explored and studied neatly.
Summary of the invention
The purpose of this invention is to provide a kind of in network environment the implementation method of the collaborative PowerPoint of broadcast file, in order to can solve at present the above-mentioned various actual application problem that the cooperative mode take T.120 agreement and stream media technology as representative exists.
The object of the present invention is achieved like this: a kind of implementation method of playing the PowerPoint file of working in coordination with in network environment, it is characterized in that: utilize the PowerPoint lantern slide to play the automation interface that tool software provides, realize playing based on the lantern slide of order is collaborative.
Described method at first needs to carry out following initialization operation: participate in the PowerPoint slide file that the collaborative each side that plays obtains to play with email or other modes in advance, and set up TCP with a server and be connected.
Described method further comprises following operation: when collaborative the broadcast, server will be worked in coordination with order by network and will be forwarded to the each side that participates in collaborative broadcast, the collaborative each side that plays of described participation is after receiving described collaborative order, call the automation interface in the corresponding PowerPoint lantern slide broadcast tool software, realize the collaborative of broadcast.
Described collaborative order in transmission over networks is that the data of automation interface are packed and coding, needs the data volume of transmission very little, is a kind of implementation method of lightweight.
It is the MS PowerPoint software of Microsoft that described PowerPoint lantern slide is play tool software, and its automation interface is com interface.
The slide file broadcast type that the method is set in the MS of described Microsoft PowerPoint software is 3, and the information of all lantern slides in the slide file taken out be listed in the drop-down list, realize forwarding to by title the function of the lantern slide of appointment. So that the user can't directly control the broadcast of slide file on MS PowerPoint, but can finish all play operation by the user interface that the inventive method provides.
Described network is Internet, or intranet, or other LAN.
Described initialization operation further comprises the following steps:
A, the collaborative each side that plays install the PowerPoint lantern slide at computer separately and play tool software, and obtain to work in coordination with in advance the PowerPoint slide file of broadcast by email or other modes, and this PowerPoint slide file is left on the computer of oneself;
B, the collaborative each side that plays set up TCP with server and are connected, and login successfully.
Described method further comprises the following steps:
The PowerPoint slide file that C, the collaborative side user who plays of initiation select to play at the computer of oneself is opened with broadcast mode, sends the collaborative playing request that comprises this slide file name again, is sent to server;
D, server are transmitted to other each side to this collaborative playing request, recipient's system equipment inquires after receiving this collaborative playing request whether its user accepts this request, if the user accepts, then its system equipment requires the user to locate slide file at its local computer, after locating successfully, open with broadcast mode, and return corresponding response, transmit this requesting party by server.
One of E, collaborative following co-operating order of synchronous initiator's user selection of playing: open slide file, lower one page lantern slide, page up lantern slide, forward specific lantern slide to, finish to play, and call the automation command operation success of PowerPoint lantern slide broadcast tool software in this locality after, these command codes are sent to server;
F, server are transmitted to all the other each side to the order that receives, recipient's system equipment is after receiving this order, namely this order is made an explanation, then call the automation order that corresponding PowerPoint lantern slide is play tool software, it is synchronous to realize that lantern slide is play.
After G, recipient user's operation are finished, operating result is returned to collaborative initiator user by server.
The relative prior art of the inventive method, the following advantage and the effect that have:
1, in the cooperative information of the transmission over networks coded data packet for collaborative command set, rather than the change information of screen or video/audio stream information, cooperative information is given collaborative each side by transit server, and recipient's rear explanation that receives orders is carried out and reached synchronous. It is collaborative to utilize the communication mechanism of lightweight to realize at network like this, need the cooperative information data volume of transmission very little, with respect to existing technical scheme difference on the order of magnitude is arranged, greatly save the network bandwidth, reduce propagation delay time, realize working in coordination with at Internet than being easier to, and the more collaborative user's number of easier support, and color/resolution ratio that synergy and demonstration are shared is irrelevant, can reach in many ways high-quality display effect like this when Internet is collaborative.
2, use transit server mode transfer communication data; collaborative participating parties is not directly set up network connection; can reach 100% firewall penetrates; can allow the user from different enterprise networks work in coordination with by Internet, and provide better safeguard protection to the user's that participates in working in coordination with computer. The communication data amount is little to be exactly the basic condition that reaches this target.
3, MS PowerPoint slide file broadcast type being set is 3, make the user can't directly control the broadcast of slide file at MS PowerPoint, and must be by user interface provided by the invention, thereby the event that needn't use MS PowerPoint to provide catches mechanism, and can reach completely control; The taking-up of the information of all lantern slides in the slide file is listed in the drop-down list, realizes forwarding to by title the lantern slide of appointment.
4, the present invention has flexibly man-machine interaction and the method for synchronization, participate in collaborative each can flexible choice real-time synchronization whether, comprise that zoom in/out work in coordination with broadcast window, independently move other operations (comprising work compound) at same screen.
5, the inventive method to equipment require lowly, construction cost is low, and can be integrated into easily in the other system, and better work compound effect is provided jointly.
Description of drawings
Fig. 1 is the cellular logic structural representation of the inventive method applied environment.
Fig. 2 is that the inventive method is worked in coordination with the operating process schematic diagram when playing.
The specific embodiment
The present invention a kind ofly (comprises Internet in network environment, or intranet, or other LAN) the collaborative implementation method of playing the PowerPoint file in, it is to utilize the PowerPoint lantern slide to play the automation interface that tool software provides, and realizes playing based on the lantern slide of order is collaborative. Wherein PowerPoint lantern slide broadcast tool software is the MS PowerPoint software of Microsoft, and its automation interface is com interface.
The inventive method at first needs to carry out lower row initialization beamhouse operation: participate in the collaborative each side that plays and at computer separately PowerPoint lantern slide broadcast tool software is installed, and obtain to work in coordination with in advance the PowerPoint slide file of broadcast by email or other modes, and this PowerPoint slide file left on the computer of oneself, and the computer that participates in the collaborative user of each side who plays will be set up TCP with a server and be connected (referring to Fig. 1), and logins successfully.
Below in conjunction with embodiment and accompanying drawing, with main process description operation principle of the present invention and operating procedure:
Operating process schematic diagram when working in coordination with broadcast referring to the inventive method shown in Figure 2.
1, initiate a collaborative side who plays (be among Fig. 1 user 1, user 2 ..., one of user N) the PowerPoint slide file selecting to play at the computer of oneself opens with broadcast mode, send again the collaborative playing request that comprises this slide file name, be sent to server;
2, server is transmitted to other each side to this collaborative playing request, and recipient's system equipment inquires after receiving this collaborative playing request whether its user accepts this request.
If 3 users accept this request, then its system equipment requires the user to locate slide file at its local computer, opens with broadcast mode after locating successfully, and returns corresponding response to server.
4, by server this response is forwarded back to the requesting party, i.e. collaborative initiator.
5, the collaborative synchronous initiator who plays can select one of following co-operating: lower one page lantern slide, page up lantern slide, forward specific lantern slide to, after the automation command operation success of MS PowerPoint is called in this locality, these synch command codings are sent to server.
6, server is transmitted to all the other each side to synch command, and recipient's system equipment namely makes an explanation to this synch command after receiving this synch command, then calls the automation order of corresponding MS PowerPoint, and it is synchronous to realize that lantern slide is play.
7, after recipient's operation is finished, operating result is issued server.
8, by server this operating result is forwarded back to the requesting party, i.e. collaborative initiator.
The COM programming object of the MS PowerPoint software of the Microsoft of utilization of the present invention mainly contains PowerPoint.Application, PowerPoint.Presentation, PowerPoint.SlideShowWindow. The main method and the attribute specification that wherein relate to are as shown in the table:
| Method or attribute | Purposes and explanation |
| Open | Open a PowerPoint slide file |
| ShowType | Value 3 arranges the mode that suitable PowerPoint lantern slide is play, and the user cannot be operated at MS PowerPoint playing program, and the user interface that must use this programme to provide can obtain to control fully like this |
| Run | Begin to play |
| SlideShowWindow | Obtain the window of broadcast and quote, in order to carry out the control of window, such as movement, amplify, dwindle, and lantern slide is wherein play view control |
| Next | Lower one page |
| Previous | Page up |
| GotoSlide | Forward the page or leaf of appointment to |
| Slides | Obtain all the lantern slide information in the PowerPoint slide file, comprise title, this programme is listed in the title of all lantern slides in the slide file in the drop-down list, and the user can therefrom choose to determine to forward that one page lantern slide to. |
The main collaborative order that the communication that the present invention uses transmits is as shown in the table:
| Order ID | Parameter | Explanation |
| START_SHOW | The slide file name of playing | The collaborative broadcast by the slide file of parameter appointment is carried out in request |
| NEXT_SLIDE | Play lower one page lantern slide | |
| PRE_SLIDE | Play the page up lantern slide | |
| GOTO_SLIDE | The ID of the lantern slide that turns to | Broadcast is by the lantern slide of ID appointment |
| END_SHOW | Finish collaborative the broadcast |
This shows that command set is very little, parameter is also very short and small, and encoded byte can be very short and small, can optionally encode flexibly during realization, belongs to the transmission realizing method of lightweight.
The inventive method has also been set up following major functions: disconnect synchronously/recover: add the collaborative arbitrary user who plays, can select whether to carry out real-time synchronization with collaborative the broadcast, if select noly, can be own lantern slide be carried out this locality and browse and do not affect other people. The free zoom in/out of lantern slide broadcast window: adding the collaborative arbitrary user who plays can carry out free zoom in/out to the lantern slide broadcast window on the local computer, be convenient to user selection shows other operations of operation at same screen window, such as video, audio session, electronic whiteboard etc.
The inventive method is succeeded in developing, and has carried out implementing test, namely provides the work compound service with other function devices such as video/audio communication for the user. In collaborative playing lantern slides file, can also look voice communication and realize more effective real-time the interchange with text chat, reach better synergy. In a word, test is successfully, has realized goal of the invention.
Claims (9)
1, a kind of light weight method of playing the PowerPoint slide file of working in coordination with in network environment is characterized in that: utilize the PowerPoint lantern slide to play the automation interface that tool software provides, realization is worked in coordination with based on the lantern slide of order and is play.
2, method according to claim 1, it is characterized in that: described method at first needs to carry out following initialization operation: participate in the PowerPoint slide file that the collaborative each side that plays obtains to play with email or other modes in advance, and set up TCP with a server and be connected.
3, method according to claim 1 and 2, it is characterized in that: described method further comprises following operation: when collaborative the broadcast, server will be worked in coordination with order by network and will be forwarded to the each side that participates in collaborative broadcast, the collaborative each side that plays of described participation is after receiving described collaborative order, call the automation interface in the corresponding PowerPoint lantern slide broadcast tool software, realize the collaborative of broadcast.
4, method according to claim 3 is characterized in that: the described collaborative order in transmission over networks is that the data of automation interface are packed and coding, needs the data volume of transmission very little, is a kind of implementation method of lightweight.
5, method according to claim 1 is characterized in that: it is the MS PowerPoint software of Microsoft that described PowerPoint lantern slide is play tool software, and its automation interface is com interface.
6, method according to claim 5, it is characterized in that: the slide file broadcast type that the method is set in the MS of described Microsoft PowerPoint software is 3, and the information of all lantern slides in the slide file taken out be listed in the drop-down list, realize forwarding to by title the function of the lantern slide of appointment.
7, method according to claim 1 is characterized in that: described network is Internet, or intranet, or other LAN.
8, method according to claim 2 is characterized in that: described initialization operation further comprises the following steps:
A, the collaborative each side that plays install the PowerPoint lantern slide at computer separately and play tool software, and obtain to work in coordination with in advance the PowerPoint slide file of broadcast by email or other modes, and this PowerPoint slide file is left on the computer of oneself;
B, the collaborative each side that plays set up TCP with server and are connected, and login successfully.
9, method according to claim 3 is characterized in that: described method further comprises the following steps:
The PowerPoint slide file that C, the collaborative side user who plays of initiation select to play at the computer of oneself is opened with broadcast mode, sends the collaborative playing request that comprises this slide file name again, is sent to server;
D, server are transmitted to other each side to this collaborative playing request, recipient's system equipment inquires after receiving this collaborative playing request whether its user accepts this request, if the user accepts, then its system equipment requires the user to locate slide file at its local computer, after locating successfully, open with broadcast mode, and return corresponding response, transmit this requesting party by server.
One of E, collaborative following co-operating order of synchronous initiator's user selection of playing: open slide file, lower one page lantern slide, page up lantern slide, forward specific lantern slide to, finish to play, and call the automation command operation success of PowerPoint lantern slide broadcast tool software in this locality after, these command codes are sent to server;
F, server are transmitted to all the other each side to the order that receives, recipient's system equipment is after receiving this order, namely this order is made an explanation, then call the automation order that corresponding PowerPoint lantern slide is play tool software, it is synchronous to realize that lantern slide is play.
After G, recipient user's operation are finished, operating result is returned to collaborative initiator user by server.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100573 CN1284076C (en) | 2003-10-20 | 2003-10-20 | Light weight method for co-broadcasting filmslide file under network environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200310100573 CN1284076C (en) | 2003-10-20 | 2003-10-20 | Light weight method for co-broadcasting filmslide file under network environment |
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| CN1609784A true CN1609784A (en) | 2005-04-27 |
| CN1284076C CN1284076C (en) | 2006-11-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682639A (en) * | 2012-05-17 | 2012-09-19 | 江苏中科梦兰电子科技有限公司 | Method for improving synchronous display efficiency of electronic classroom resources |
| WO2014005559A3 (en) * | 2012-07-05 | 2014-02-27 | 珠海金山办公软件有限公司 | Shared presentation method and system thereof |
| CN104199911A (en) * | 2014-08-28 | 2014-12-10 | 天脉聚源（北京）教育科技有限公司 | Storage method and device for PPT |
| WO2015096576A1 (en) * | 2013-12-25 | 2015-07-02 | 北京金山办公软件有限公司 | Document shared browsing method and system |
| WO2018032695A1 (en) * | 2016-08-19 | 2018-02-22 | 广州视睿电子科技有限公司 | Method and system for ppt state notification |
| CN110175461A (en) * | 2019-05-08 | 2019-08-27 | 矩阵元技术（深圳）有限公司 | Implementation method, device, computer equipment and the storage medium of multi-party computations |
-
2003
- 2003-10-20 CN CN 200310100573 patent/CN1284076C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682639A (en) * | 2012-05-17 | 2012-09-19 | 江苏中科梦兰电子科技有限公司 | Method for improving synchronous display efficiency of electronic classroom resources |
| WO2014005559A3 (en) * | 2012-07-05 | 2014-02-27 | 珠海金山办公软件有限公司 | Shared presentation method and system thereof |
| WO2015096576A1 (en) * | 2013-12-25 | 2015-07-02 | 北京金山办公软件有限公司 | Document shared browsing method and system |
| CN104199911A (en) * | 2014-08-28 | 2014-12-10 | 天脉聚源（北京）教育科技有限公司 | Storage method and device for PPT |
| WO2018032695A1 (en) * | 2016-08-19 | 2018-02-22 | 广州视睿电子科技有限公司 | Method and system for ppt state notification |
| CN110175461A (en) * | 2019-05-08 | 2019-08-27 | 矩阵元技术（深圳）有限公司 | Implementation method, device, computer equipment and the storage medium of multi-party computations |
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| Publication number | Publication date |
|---|---|
| CN1284076C (en) | 2006-11-08 |
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