CN101820535A - Network computer multimedia video playing method and system - Google Patents
Network computer multimedia video playing method and system Download PDFInfo
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- CN101820535A CN101820535A CN200910165290A CN200910165290A CN101820535A CN 101820535 A CN101820535 A CN 101820535A CN 200910165290 A CN200910165290 A CN 200910165290A CN 200910165290 A CN200910165290 A CN 200910165290A CN 101820535 A CN101820535 A CN 101820535A
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Abstract
The invention discloses a network computer multimedia video playing method and a network computer multimedia video playing system. The network computer multimedia video playing method comprises that: when a server monitors a video file starting signal, the server calls a default media player; the connection is established between the server and a network computer, and the server transmits a starting command to the network computer and transmits a video file in a subblock mode; the network computer decodes and plays the video file according to the starting command; the server monitors an operating signal aiming at the media player, and the server transmits the monitored operating signal to the network computer so as to execute corresponding operation according to the operating signal; and when the video file is completely played or the network computer transmits an exit signal, the video playing is finished. By seamlessly embedding the local decoding function of the network computer into the media player of the server, the seamless transfer of interactive operation is realized. Therefore, the server load is reduced, the network traffic is lightened, and pictures locally decoded by the network computer are seamlessly embedded into the media player of the server.
Description
Technical field
The present invention relates to network computer and multimedia technology field, particularly relate to a kind of network computer multimedia video playing method and system.
Background technology
Network computer (being called for short NC, Network Computer) system is by server, and the network computer and the network equipment constitute.Network computer itself does not generally have External memory equipment such as hard disk, CD-ROM drive, floppy drive etc. except the necessary input-output equipment of man-machine interaction.Its general characteristics are based on embedded OS, be connected to server by the network equipment, the required software of operation on server, network computer is delivered to server process with the input of its mouse, keyboard, server returns to network computer with the result in the mode of graphical interfaces again, and evaluation work that it is main and storage work all realize on server by network.
Because network computer has characteristics such as safety, reliable, manageability and total cost are low, more and more is subjected to people's welcome.Meanwhile, people also constantly increase the demand of the multimedia application of network computer, as the multimedia education in the electronic classroom, the VOD of hotel video request program, Remote Video Conference or the like.Yet the computing capability of server and the restriction of the network bandwidth have restricted the tenability of network computer to multimedia application widely.
At first, if carry out video decode at server end, and with the original RGB data of per second 24 frames by Network Transmission to network computer, present network environment can't reach such bandwidth far away.The MaxStation that MaxSpeed company once released is exactly that dedicated Internet access support by 64Mbps shows and refreshes.It only supports following 8 looks of 1024 * 768 resolution to show.In fact, for the display mode of 24 look 1280 * 1024 resolution of a standard, 76Hz refresh rate, approximately need the bandwidth of 2.32Gbps to be used for showing and refresh.Secondly, if at server end in real time to the video data recompile, then need to calculate in a large number, even if today high-end server CPU, this neither gravy jobs.Once more, because the extensibility of network computer has a plurality of videos and plays simultaneously, server and network bandwidth load are with growth in direct ratio.Even if therefore can guarantee a normal multimedia application of network computer, can't guarantee that also a plurality of network computers use multimedia simultaneously.
By above analysis as can be known, the network computer system multimedia video is play, and brings very high computational load in server end decoding meeting to server, also can network traffics be increased greatly owing to producing a large amount of screen updates data simultaneously.For addressing this problem, general method is the network calculations machine local to be transferred in the decoding work of multi-medium data carry out, and the data of transmission over networks only are the data before the decoding like this, and server does not need to bear the decoding work that expends CPU yet.Thereby content displayed on network computer can be divided into two parts: a part is the content of remote display protocol, and this is the image that produces by after the data of long-range connection network computer program reception from server end; Another part is a video image, and this is the video image by decoding of network computer local decoder and broadcast.
In order to improve user experience, the video image and the remote desktop of network computer local decode need be carried out seamless integration.This has brought a key issue: the seamless transfer of interactive operation.The seamless transfer of interactive operation be meant the user video file opened, closed, during operation such as time-out, F.F., rewind down, the operation during with non-local broadcast of its use is without any difference.
In addition, also exist a problem to be, the seamless embedding of display interface.The seamless embedding of display interface is meant that local video image displayed should combine closely with player interface, as dragged when player window, by menu bar or other windows cover, minimize, maximize, when being displayed in full screen, video image should correspondingly move, covering, variation such as full frame.At present common implementation method adopts played in full screen during for displaying video, and promptly video is monopolized whole screen, but can make the user can't carry out other operation like this when watching video.
Summary of the invention
The object of the present invention is to provide a kind of network computer multimedia audio/video player system and method.Be used for not changing under the prerequisite of any existing assembly on the server OS, network computer local decode function is embedded in the multimedia player that server OS carries, particularly make interactive operation realize seamless transfer, thereby bring the experience of user's indifference.
Another object of the present invention is to realize the seamless embedding of display interface.
The invention discloses a kind of network computer multimedia video playing method, be applied in the network computer multimedia audio/video player system, this network computer multimedia audio/video player system comprises at least one network computer, at least one server, and this method may further comprise the steps:
Also comprise before the described step 2:
Step 20, described media player calls the filter that is registered in the described server, and described filter is set up streaming media server according to a filtering rule.
Described step 20 further comprises:
Described media player calls the filter that is registered in the described server, and the video file information of video file enabling signal correspondence is sent to described filter;
Described filter judges according to described video file information whether file format is complementary with default video file format, if, set up streaming media server, determine the listening port of a session port of server as streaming media server, if not, finish.
Described default video file format comprises: MPEG and MPEG2.
Described step 2 further comprises:
Step 21, the streaming media server of described server and described network computer connect;
Step 22, described network computer send the display parameters file of network computer to described server;
Step 23, described filter are determined the display window parameter of described media player according to described display parameters file;
Step 24, described filter send described starting command to described network computer.
Described step 23 further comprises: fill key color in display window.
Described step 4 further comprises:
Step 41, described media player is passed to described filter with the operation signal that receives;
Step 42, described filter is provided with oneself state and described operation signal is sent to described network computer according to described operation signal;
Step 43, described network computer is carried out corresponding operation according to described operation signal.
The invention also discloses a kind of network computer multimedia audio/video player system, comprise at least one server and at least one network computer, described system further comprises:
Described server is provided with the server end module, be used for when listening to the video file enabling signal, the media player of invoking server acquiescence, and connect with described network computer, send starting command subsequently and send video file to described network computer to described network computer and with minute block mode, in video display process, described server end module is monitored and is sent to described network computer at the operation signal of described media player and with the operation signal that listens to;
Described network computer is provided with client modules, is used for according to described starting command, and from the server receiver, video file and the broadcast of decoding, in video display process, client modules is carried out corresponding operation according to the operation signal that receives.
Described server end module further comprises: a described media player and a filter;
Described filter comprises operation monitoring forwarding module and streaming media server module;
Described operation is monitored forwarding module and is used to monitor operation signal at media player, according to described operation signal the state of streaming media server module is set, and operation signal is forwarded to described network computer;
Described streaming media server module is used for connecting with described network computer, and will obtain video file from described server and be forwarded to described network computer.
Described filter further comprises: filtering module and setting module;
Described filtering module is used to judge whether the form of the video file of video file enabling signal correspondence is complementary with default video file format, if coupling is called described streaming media server module, otherwise finishes;
The display parameters file that described setting module is used for providing according to described network computer is determined the display window parameter of media player, and fills key color in display window.
Described client modules comprises that order accepts module and video decode playing module;
Described order is accepted module and is used to accept described operation signal, and controls described video decode playing module and make corresponding operation;
Described video decode playing module is used to receive the video file that described server sends over, and accepts control that described order accepts module to the broadcast of decoding of described video file.
The present invention realized under the prerequisite that does not change the existing assembly of any operating system, is embedded in the media player that server OS carries network computer local decode function is seamless, thereby brings the experience of user's indifference.By the present invention, realize network computer at local displaying video, thereby reduce the load of server and alleviated network traffics; And the media player of network computer local decode and server default installation is integrated, and the multiplexing operation interface of default installation media player makes the user not need to adapt to new media player interface; User interactive is transferred to the network computer end, realizes the operating function that media player is all fully; In the seamless media player that is embedded into server of the picture of network computer local decode, the user is imperceptible to have any difference with using the PC displaying video.
Description of drawings
Fig. 1 is the structural representation of network computer multimedia audio/video player system of the present invention;
Fig. 2 is the flow chart of network computer multimedia video playing method of the present invention;
Fig. 3 is the flow chart of network computer multimedia video playing method of the present invention;
Fig. 4 is the flow chart of network computer multimedia video playing method of the present invention.
Embodiment
Network computer multimedia video playing method of the present invention and system can open video file for the user in the remote desktop environment, server sends to network computer with the video file data, carry out the local decode of network computer and play.In playing process, the interactive operation of server end monitoring users, as close, operations such as time-out, F.F., rewind down, maximization, and it is passed to network computer, network computer is made respective feedback, realizes the seamless transfer of interactive operation.
As shown in Figure 1, be the structural representation of network computer multimedia audio/video player system of the present invention.Wherein the improvements of making for the present invention are described in detail, and do not do special description for part commonly known in the art.
Network computer multimedia audio/video player system 100 comprises at least one server and at least one network computer.Server end module 1 is installed in server.Server end module 1 is used for when listening to the video file enabling signal, the media player of invoking server acquiescence, and connect with described network computer, send starting command subsequently and send video file to described network computer to described network computer and with minute block mode, in video display process, described server end module is monitored and is sent to described network computer at the operation signal of described media player and with the operation signal that listens to.
In server end module 1, media player 3 is installed, the media player 3 of Windows MediaPlayer as acquiescence particularly can be installed.Media player 3 is play for multimedia video broadcast interface is provided.In addition, in server end module 1, registration also is installed filter 4 is arranged, filter 4 is used for setting up streaming media server according to a filtering rule, that is, call streaming media server module 6, and connect with network computer, simultaneously video file is forwarded to the network computer end with a minute block mode, and sends starting command.
Operation is monitored forwarding module 5 and is used to monitor the network computer user's operating command, according to described operation signal the state of streaming media server module 6 is set, and operation signal is transmitted to network computer carries out corresponding operating.
Streaming media server module 6 is used for connecting with described network computer, and will obtain video file from server, and piecemeal is forwarded to the network computer broadcast of decoding.
In another embodiment, filter 4 also comprises filtering module 9 and setting module 10.
Described filtering module 9 is used to judge whether the form of the video file of video file enabling signal correspondence is complementary with default video file format, if coupling is called described streaming media server module, otherwise finishes;
The display parameters file that described setting module 10 is used for providing according to described network computer is determined the display window parameter of media player, and fills key color in display window.
Be provided with a client modules 2 at the network computer end, this client modules 2 comprises that order accepts module 7 and video decode module 8.
Order is accepted module 7 and is set up control connection with the operation monitoring forwarding module 5 of server end, and the operation signal and the control of video decoding playing module 8 that are used to receive from server are carried out corresponding operation, as operations such as time-out, F.F., maximizations.
Video decode playing module 8 is used to receive the video file from streaming media server module 6, and fill order is accepted the control of module 7, the decoding playing video file.
The present invention makes full use of key color (color key) function of video card, realizes the seamless embedding of broadcast interface.The present invention uses the DirectShow standard to realize filter, and it is registered in the media player 3 of server end module 1.
As shown in Figure 2, be the flow chart of network computer multimedia video playing method of the present invention.
The user, only needs to open the file that will play with the default player click and can watch broadcast when wanting playing video file by the network computer telnet server, and result of broadcast is as broad as long with play multimedia files on common PC.After the user opened video file, server and network computer were carried out following playing flow:
Step 101, when described server listens to the video file enabling signal, server end module invokes media player.
After the user double-clicked video file, server end module 1 was caught user's operation, called acquiescence media player 3.
Step 102, described server and described network computer connect, and described server sends starting command and sends video file to described network computer to network computer and with minute block mode;
Step 103, described network computer be according to described starting command, to the video file broadcast of decoding;
Step 104, described server is monitored the operation signal at described media player, and server is sent to described network computer with the operation signal that listens to, and described network computer is carried out corresponding operation according to described operation signal;
Step 105, video file finish or network computer sends when withdrawing from signal, and described server and described network computer finish video playback, close described media player.
Below introduce the implementation procedure of above-mentioned steps in detail.
In step 101, the user utilizes the network computer telnet server.This server for example is equipped with Windows Server 2003 operating systems.The user clicks video file, the media player Windows Media Player that this moment, server calls Windows gave tacit consent to.This video file for example is the video file of MPEG or MPEG2 coded format.
After step 101, comprise a step 20, described media player 3 calls the filter 4 that is registered in the described server, and described filter 4 is used for setting up streaming media server according to a filtering rule.
That is, after media player 3 was called, media player 3 detected the filter 4 that is registered in the media player, and the fileinfo of the video file of startup that the user clicks is sent to filter 4.This document information comprises the file format of video file.
Store the default video file format that to play in the filter 4.Should comprise MPEG or MPEG2 by default video file format.
The filtering module 9 of filter 4 is according to described fileinfo, whether the file format of judging video file is complementary with default video file format, if not, end is also withdrawed from broadcast, the information that shows " not supporting this document form " in client, if, determine to play this video file, call streaming media server module 6, determine that according to session information a communication port of server is as the session port, on this connectivity port, set up streaming media server, to monitor the connection request of network computer.
Described step 102 is following steps further:
Step 21, the streaming media server of described server and described network computer connect;
Step 22, described network computer send the display parameters file of network computer to described server;
Step 23, described filter are determined the display window parameter of described media player according to described display parameters file;
Step 24, described filter send described starting command to described network computer.
Wherein, in the step 21, the streaming media server module 6 of filter 4 is accepted module 7 with the order that the half-session slogan of streaming media server sends to network computer, determines worker's P address of network computer, and sets up control connection by above half-session slogan and the network computer of appointing.
In the step 22, network computer and streaming media server connect, and the display parameters file of module 7 with network computer self accepted in the order of network computer, comprises size, and contents such as form are returned the filter 4 of server, close connection simultaneously.
In the step 23, after filter 4 receives the display parameters file, utilize setting module 10,, set the display window size of the media player of played file, and in display window, fill key color (Color Key) according to the data in the display parameters file.
In the step 24, media player 3 is after setting successfully, and " beginning " order that transmission is used to start the video file broadcast is to filter 4, and filter 4 is transmitted to network computer with " beginning " order.
Wherein, the present invention has utilized key color (Color Key) function of video card, and in the last mixing of video card, local video image only shows in the key color zone.In playing process, the menu of other window, this window or other view etc. might cover media player 3 video playback windows, then the key color of video playback window correspondence is covered by view elements in the player, only at the zone that is not capped, display video image.
In the step 103, the order of network computer is accepted module 7 and is received " beginning " order, calls video decode playing module 8, makes video decode playing module 8 connect streaming media server module 6, to begin the playing video file of decoding.
In the step 104, further comprise:
Step 41, described media player is passed to described filter with the operation signal that receives;
Step 42, described filter is provided with oneself state and described operation signal is sent to described network computer according to described operation signal;
Step 43, described network computer is carried out corresponding operation according to described operation signal.
In one embodiment, in the video file playing process, the user clicks the button in the media player 3, for example pause button.
The operation signal that receives other is realized control in the same way.
The present invention realized under the prerequisite that does not change the existing assembly of any operating system, is embedded in the media player that server OS carries network computer local decode function is seamless, thereby brings the experience of user's indifference.By the present invention, realize network computer at local displaying video, thereby reduce the load of server and alleviated network traffics; And the media player of network computer local decode and server default installation is integrated, and the multiplexing operation interface of default installation media player makes the user not need to adapt to new media player interface; User interactive is transferred to the network computer end, realizes the operating function that media player is all fully; In the seamless media player that is embedded into server of the picture of network computer local decode, the user is imperceptible to have any difference with using the PC displaying video.
For those skilled in the art; after having understood content of the present invention and principle; can be under the situation that does not deviate from the principle and scope of the present invention; the method according to this invention is carried out various corrections and the change on form and the details, but these are based on correction of the present invention with change still within claim protection range of the present invention.
Claims (10)
1. network computer multimedia video playing method, be applied in the network computer multimedia audio/video player system, this network computer multimedia audio/video player system comprises at least one network computer, at least one server, it is characterized in that, this method may further comprise the steps:
Step 1, when described server listens to the video file enabling signal, the media player of described server calls acquiescence;
Step 2, described server and described network computer connect, and described server sends starting command and sends video file to described network computer to network computer and with minute block mode;
Step 3, described network computer be according to described starting command, to the broadcast of decoding of described video file;
Step 4, described server is monitored the operation signal at described media player, and server is sent to described network computer with the operation signal that listens to, and described network computer is carried out corresponding operation according to described operation signal;
Step 5, video file finish or network computer sends when withdrawing from signal, and described server and described network computer finish video playback, close described media player.
2. the method for claim 1 is characterized in that, also comprises before the described step 2:
Step 20, described media player calls the filter that is registered in the described server, and described filter is set up streaming media server according to a filtering rule.
3. method as claimed in claim 2 is characterized in that, described step 20 further comprises:
Described media player calls the filter that is registered in the described server, and the video file information of video file enabling signal correspondence is sent to described filter;
Described filter judges according to described video file information whether file format is complementary with default video file format, if, set up streaming media server, determine the listening port of a session port of server as streaming media server, if not, finish.
4. method as claimed in claim 3 is characterized in that, described default video file format comprises: MPEG and MPEG2.
5. as claim 2 or 3 or 4 described methods, it is characterized in that described step 2 further comprises:
Step 21, the streaming media server of described server and described network computer connect;
Step 22, described network computer send the display parameters file of network computer to described server;
Step 23, described filter are determined the display window parameter of described media player according to described display parameters file;
Step 24, described filter send described starting command to described network computer.
6. method as claimed in claim 5 is characterized in that, described step 23 further comprises:
In display window, fill key color.
7. method as claimed in claim 2 is characterized in that, described step 4 further comprises:
Step 41, described media player is passed to described filter with the operation signal that receives;
Step 42, described filter is provided with oneself state and described operation signal is sent to described network computer according to described operation signal;
Step 43, described network computer is carried out corresponding operation according to described operation signal.
8. a network computer multimedia audio/video player system comprises at least one server and at least one network computer, it is characterized in that described system further comprises:
Described server is provided with the server end module, be used for when listening to the video file enabling signal, the media player of invoking server acquiescence, and connect with described network computer, send starting command subsequently and send video file to described network computer to described network computer and with minute block mode, in video display process, described server end module is monitored and is sent to described network computer at the operation signal of described media player and with the operation signal that listens to;
Described network computer is provided with client modules, is used for according to described starting command, and from the server receiver, video file and the broadcast of decoding, in video display process, client modules is carried out corresponding operation according to the operation signal that receives.
9. system as claimed in claim 8 is characterized in that, described server end module further comprises: a described media player and a filter;
Described filter comprises operation monitoring forwarding module and streaming media server module;
Described operation monitoring forwarding module is used to monitor the operation signal at media player, sends out the state of putting the streaming media server module according to described operation signal, and operation signal is forwarded to described network computer;
Described streaming media server module is used for connecting with described network computer, and will obtain video file from described server and be forwarded to described network computer.
10. system as claimed in claim 9 is characterized in that, described filter further comprises: filtering module and setting module;
Described filtering module is used to judge whether the form of the video file of video file enabling signal correspondence is complementary with default video file format, if coupling is called described streaming media server module, otherwise finishes;
The display parameters file that described setting module is used for providing according to described network computer is determined the display window parameter of media player, and fills key color in display window.
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| CN200910165290A CN101820535A (en) | 2008-08-15 | 2009-08-14 | Network computer multimedia video playing method and system |
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| CN200810118507.1 | 2008-08-15 | ||
| CN200910165290A CN101820535A (en) | 2008-08-15 | 2009-08-14 | Network computer multimedia video playing method and system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158553A (en) * | 2011-03-31 | 2011-08-17 | 华为技术有限公司 | Method and device for playing multi-media files for remote desktop |
| CN102520897A (en) * | 2011-11-14 | 2012-06-27 | 中兴通讯股份有限公司 | Mobile terminal and method for increasing drawing speed of screen interface |
| CN103139634A (en) * | 2011-11-30 | 2013-06-05 | 国云科技股份有限公司 | Cloud terminal virtual desktop video playing method |
| CN103929446A (en) * | 2013-01-11 | 2014-07-16 | 北大方正集团有限公司 | Method, system and device for operating multimedia files |
| CN104137553A (en) * | 2011-09-15 | 2014-11-05 | 谷歌公司 | Video management system |
| CN104871146A (en) * | 2012-06-20 | 2015-08-26 | 谷歌公司 | Status aware media play |
| CN105812922A (en) * | 2014-12-30 | 2016-07-27 | 中兴通讯股份有限公司 | Multimedia file data processing method, system, player and client |
| US9621665B2 (en) | 2012-12-07 | 2017-04-11 | Huawei Technologies Co., Ltd. | Multimedia redirection method, multimedia server, and computer system |
| CN107579982A (en) * | 2017-09-09 | 2018-01-12 | 安徽省未来博学信息技术有限公司 | A kind of anti-tampering network computer multimedia play system |
| CN107682290A (en) * | 2017-10-31 | 2018-02-09 | 广州成达信息科技有限公司 | A kind of anti-tampering network computer multimedia play system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102158553A (en) * | 2011-03-31 | 2011-08-17 | 华为技术有限公司 | Method and device for playing multi-media files for remote desktop |
| CN102158553B (en) * | 2011-03-31 | 2017-04-12 | 华为技术有限公司 | Method and device for playing multi-media files for remote desktop |
| CN104137553A (en) * | 2011-09-15 | 2014-11-05 | 谷歌公司 | Video management system |
| CN104137553B (en) * | 2011-09-15 | 2017-09-26 | 谷歌公司 | System for managing video |
| CN102520897A (en) * | 2011-11-14 | 2012-06-27 | 中兴通讯股份有限公司 | Mobile terminal and method for increasing drawing speed of screen interface |
| CN102520897B (en) * | 2011-11-14 | 2015-01-28 | 中兴通讯股份有限公司 | Mobile terminal and method for increasing drawing speed of screen interface |
| CN103139634B (en) * | 2011-11-30 | 2017-03-15 | 国云科技股份有限公司 | Cloud terminal virtual desktop video broadcasting method |
| CN103139634A (en) * | 2011-11-30 | 2013-06-05 | 国云科技股份有限公司 | Cloud terminal virtual desktop video playing method |
| CN104871146A (en) * | 2012-06-20 | 2015-08-26 | 谷歌公司 | Status aware media play |
| US9621665B2 (en) | 2012-12-07 | 2017-04-11 | Huawei Technologies Co., Ltd. | Multimedia redirection method, multimedia server, and computer system |
| CN104040995B (en) * | 2012-12-07 | 2017-04-12 | 华为技术有限公司 | Multimedia redirection method, multimedia server, and computer system |
| CN103929446B (en) * | 2013-01-11 | 2017-02-22 | 北大方正集团有限公司 | Method, system and device for operating multimedia files |
| CN103929446A (en) * | 2013-01-11 | 2014-07-16 | 北大方正集团有限公司 | Method, system and device for operating multimedia files |
| CN105812922A (en) * | 2014-12-30 | 2016-07-27 | 中兴通讯股份有限公司 | Multimedia file data processing method, system, player and client |
| CN107579982A (en) * | 2017-09-09 | 2018-01-12 | 安徽省未来博学信息技术有限公司 | A kind of anti-tampering network computer multimedia play system |
| CN107682290A (en) * | 2017-10-31 | 2018-02-09 | 广州成达信息科技有限公司 | A kind of anti-tampering network computer multimedia play system |
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