CN102761603B - Webpage flash video redirection method in VDI environment - Google Patents
Webpage flash video redirection method in VDI environment Download PDFInfo
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Abstract
A webpage flash video redirection method in a VDI (Virtual Desktop Infrastructure) environment comprises the following steps: analyzing webpage text data and acquiring both a file of a Flash video player on a present webpage and parameters used during video play; intercepting a webpage HTTP (Hyper Text Transport Protocol) request and acquiring a video request of the present webpage; analyzing a request data packet and reversely positioning to a Flash control issuing the requests through the group of requests; sending the Flash video player embedded into the webpage to a client side and dynamically building a Flash video play environment the same as the present webpage on the client side according to the structure of the present webpage; generating a network request by the operating Flash video player on the client side; and sending corresponding video streaming to the client side for play by a VDI server which receives the video request from the client side. By adopting the webpage flash video redirection method provided by the invention, the burdens of both the VDI server and the client side are greatly reduced and the quality of watched videos is improved.
Description
[technical field]
The present invention relates to computer phoneme video technique field, relate in particular to a kind of redirected method of webpage flash video under VDI environment.
[background technology]
VDI, English full name Virtual Desktop Infrastructure, i.e. virtual desktop architecture.It is not to each user, to configure the desktop PC of an operation Windows XP or Vista, but by the server operation Windows XP in data center, your desktop is carried out virtual; User calculates agreement by the client from client device (client computer or home PC) and is connected with virtual desktop, and the desktop that user accesses them similarly is that desktop is installed in the traditional this locality of access.
Along with the popularization of cloud computing technology, VDI agreement is more and more used.Under VDI environment, video playback is an insoluble problem always.Video playback under VDI environment, is subject to the restriction of VDI agreement on the one hand, is subject on the other hand the restriction of the network bandwidth, causes VDI agreement in use cannot well meet the needs of video-see.Particularly the broadcasting for webpage Flash video never has good processing method.
At present best processing mode, for tackling by being drawn in Flash video playback region and by the consecutive image compression algorithm of optimizing, this area image being carried out to special compression and process, reaches and reduces the object that bandwidth is accelerated image transmitting.
Although use said method to solve to a certain extent the slack problem of webpage Flash video playback, it also produces a lot of negative effects.
1, server, after completing original video data decoding, need to be encoded to decoded video data again, now takies great server resource;
2, when client is carried out played in full screen, server wants coded data to increase along with the increase of current display resolution, and when client is used larger resolution to connect, the cpu resource of server cannot be born the demand of compressed image;
3,, when client is carried out played in full screen, the data that need to decode due to client, along with the increase of current use resolution increases, cause client also will consume great cpu resource, finally cause client cannot bear solution code requirement;
4, due to the processing of image through compression algorithm, use said method when remote watching video, the relative original video quality of video quality will have larger reduction.
[summary of the invention]
Technical problem to be solved by this invention is to provide the webpage flash video under a kind of VDI environment redirected method, greatly reduces VDI server and client side's burden, and has improved the quality of the video of watching.
The present invention solves the problems of the technologies described above by the following technical solutions:
The redirected method of webpage flash video under VDI environment, comprises the steps:
Step 1: analyzing web page text data, obtain Flash video player file on current web page, and the parameter of using during displaying video;
Specific practice is: exploitation IE browser BHO(WebBrowser Help Object) plug-in unit, this BHO plug-in unit is for opening the Flash plug-in unit on webpage post analysis webpage at IE browser, therefrom isolate the Flash control that this webpage need to load, and the swf file of Flash video player preserved in record;
Step 2: HTTP asks by interception webpage, therefrom obtains the video request of current web page;
Step 3: analysis request packet, the response message of record request content and this request, and arrive the Flash control of the request of initiation by this group request inverted orientation;
Step 4: the Flash video player embedding on webpage is sent to client, according to the structure of current web page at the client dynamic construction Flash video playback environment the same with current web page;
Step 5: the Flash video player of client produces network request when operation, for obtaining the video data that needs broadcasting;
Step 6: if client device can directly have access to the primitive network address of video data by network, client is directly obtained video data in the video server of Flash video website, and play-overs in client; If client, because network limits cannot be accessed the video server of Flash video website, is asked by interception HTTP, the mode that forwards HTTP request is obtained video data to VDI server;
Step 7: when VDI server is received after the video request from client, send to client to play corresponding video flowing by the Flash video source address of recording before contrast with the corresponding relation of swf file.
Further, described step 2 specifically comprises: the HTML Control series A PI providing by calling Microsoft, and the HTTP that creates current page asks monitor, monitors all HTTP requests on current page; In HTTP request monitor, filter by all HTTP request of data of sending on current web page, therefrom isolate the video data request that Flash video player sends.
Further, described step 4 specifically comprises: the swf file of the Flash player in the Flash control of transmission HTTP video data request and corresponding parameter are sent to VDI client; VDI client, after receiving the swf file and parameter thereof that server sends, builds simple Flash video player and relevant parameter is set in this locality, build the Flash playing environment identical with tackling website.
The invention has the advantages that: while 1, watching Flash video under VDI environment, VDI server is only responsible for forwarding Flash video player file swf file and video initial data flows to client, on VDI server, do not carry out decoding and the compression of video data, greatly reduce the burden of VDI server.2, client is at local decode video data, and video data can not incur loss because of middle repeating process, and user can well watch video in VDI client.3, client need to not consume along with the increase of local resolution more cpu resource for video decode when decoded data, reduces the burden of VDI client.
[accompanying drawing explanation]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the inventive method schematic flow sheet.
[embodiment]
Refer to shown in Fig. 1, the redirected method of webpage flash video under VDI environment of the present invention, comprises the steps:
Step 1: analyzing web page text data, obtain Flash video player file on current web page, and the parameter of using during displaying video;
Specific practice is: exploitation IE browser BHO(WebBrowser Help Object) plug-in unit, this BHO plug-in unit is for opening the Flash plug-in unit on webpage post analysis webpage at IE browser, therefrom isolate the Flash control that this webpage need to load, and the swf file of Flash video player preserved in record.
Step 2: HTTP asks by interception webpage, therefrom obtains the video request of current web page;
Specifically comprise: the HTML Control series A PI providing by calling Microsoft, the HTTP that creates current page asks monitor, monitors all HTTP requests on current page; In HTTP request monitor, filter by all HTTP request of data of sending on current web page, therefrom isolate the video data request that Flash video player sends.
Step 3: analysis request packet, the response message of record request content and this request, and arrive the Flash control of the request of initiation by this group request inverted orientation.
Specific practice is:
Flash control is loaded as an ActiceX control in IE browser, ActiveX control is as a com component, can derive a series of interface, the interface function that Flash video player swf file is wherein set is put_Movie, in the Mine_put_Movie function of writing to oneself by redirected this interface function of COM HOOK technology, the position of therefrom recording Flash video player swf file; By realizing the IHttpNegotiate interface of the WEB of Microsoft browser, therefrom obtain the packet of each HTTP request, thereby therefrom find the real network information of the video file that Flash player will play.
Step 4: the Flash video player embedding on webpage is sent to client, according to the structure of current web page at the client dynamic construction Flash video playback environment the same with current web page;
Specifically comprise: the swf file of the Flash player in the Flash control of transmission HTTP video data request and corresponding parameter are sent to VDI client; VDI client, after receiving the swf file and parameter thereof that server sends, builds simple Flash video player and relevant parameter is set in this locality, build the Flash playing environment identical with tackling website.
Step 5: the Flash video player of client produces network request when operation, for obtaining the video data that needs broadcasting.
Step 6: if client device can directly have access to the primitive network address of video data by network, client is directly obtained video data in the video server of Flash video website, and play-overs in client; If client, because network limits cannot be accessed the video server of Flash video website, is asked by interception HTTP, the mode that forwards HTTP request is obtained video data to VDI server.
Step 7: when VDI server is received after the video request from client, send to client to play corresponding video flowing by the Flash video source address of recording before contrast with the corresponding relation of swf file.
Beneficial effect of the present invention is: while 1, watching Flash video under VDI environment, VDI server is only responsible for forwarding Flash video player file swf file and video initial data flows to client, on VDI server, do not carry out decoding and the compression of video data, greatly reduce the burden of VDI server.2, client is at local decode video data, and video data can not incur loss because of middle repeating process, and user can well watch video in VDI client.3, client need to not consume along with the increase of local resolution more cpu resource for video decode when decoded data, reduces the burden of VDI client.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. the redirected method of webpage flash video under VDI environment, is characterized in that: comprise the steps:
Step 1: analyzing web page text data, obtain Flash video player file on current web page, and the parameter of using during displaying video;
Specific practice is: browser auxiliary object BHO plug-in unit in exploitation IE browser, this browser auxiliary object BHO plug-in unit is for opening the Flash plug-in unit on webpage post analysis webpage at IE browser, therefrom isolate the Flash control that this webpage need to load, and the swf file of Flash video player preserved in record;
Step 2: HTTP asks by interception webpage, therefrom obtains the video request of current web page;
Step 3: analysis request packet, the response message of record request content and this request, and arrive the Flash control of the request of initiation by this group request inverted orientation;
Step 4: the Flash video player embedding on webpage is sent to client, according to the structure of current web page at the client dynamic construction Flash video playback environment the same with current web page;
Step 5: the Flash video player of client produces network request when operation, for obtaining the video data that needs broadcasting;
Step 6: if client device can directly have access to the primitive network address of video data by network, client is directly obtained video data in the video server of Flash video website, and play-overs in client; If client, because network limits cannot be accessed the video server of Flash video website, is asked by interception HTTP, the mode that forwards HTTP request is obtained video data to virtual desktop architecture VDI server;
Step 7: when virtual desktop architecture VDI server is received after the video request from client, send to client to play corresponding video flowing by the Flash video source address of recording before contrast with the corresponding relation of swf file.
2. the redirected method of webpage flash video under a kind of VDI environment as claimed in claim 1, it is characterized in that: described step 2 specifically comprises: the HTML Control series A PI providing by calling Microsoft, create the HTTP request monitor of current page, monitor all HTTP requests on current page; In HTTP request monitor, filter by all HTTP request of data of sending on current web page, therefrom isolate the video data request that Flash video player sends.
3. the redirected method of webpage flash video under a kind of VDI environment as claimed in claim 1, is characterized in that: described step 4 specifically comprises: the swf file of the Flash player in the Flash control of transmission HTTP video data request and corresponding parameter are sent to virtual desktop architecture VDI client; Virtual desktop architecture VDI client, after receiving the swf file and parameter thereof that server sends, builds simple Flash video player and relevant parameter is set in this locality, build the Flash playing environment identical with tackling website.
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| CN201210187694.5A CN102761603B (en) | 2012-06-07 | 2012-06-07 | Webpage flash video redirection method in VDI environment |
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| CN102761603B true CN102761603B (en) | 2014-10-22 |
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| CN103905927B (en) * | 2012-12-26 | 2016-08-10 | 华为技术有限公司 | Method, desktop server and the system that under virtual desktop scene, video redirects |
| CN104067627B (en) * | 2013-02-07 | 2017-08-04 | 华为技术有限公司 | Method, device, system and computer-readable medium that a kind of video is redirected |
| CN104247364B (en) * | 2013-03-19 | 2017-05-10 | 华为技术有限公司 | Video transmission method, device, and system applied to remote desktop |
| CN104581401B (en) * | 2013-10-10 | 2019-02-01 | 腾讯科技（深圳）有限公司 | The method and device of data playback |
| CN103544067B (en) * | 2013-10-12 | 2016-08-24 | 福建升腾资讯有限公司 | The method that the flash plug-in unit of client is mutual with the page script of service end IE browser |
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| CN104038778B (en) * | 2014-05-23 | 2017-11-24 | 深信服科技股份有限公司 | Multimedia redirects the control method and device played |
| CN105208406A (en) * | 2014-06-11 | 2015-12-30 | 中兴通讯股份有限公司 | Video data providing method and apparatus, video playing method and apparatuses, and video playing system |
| CN105407407A (en) * | 2014-06-26 | 2016-03-16 | 广州市动景计算机科技有限公司 | Video playing method and device |
| CN104796785A (en) * | 2015-03-31 | 2015-07-22 | 北京奇虎科技有限公司 | Video playing method and device in application program |
| CN105163140A (en) * | 2015-07-22 | 2015-12-16 | 深圳市京华科讯科技有限公司 | Method and system for playing online videos by using virtual machine |
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| CN106657206A (en) * | 2016-06-27 | 2017-05-10 | 南京理工大学 | Virtual desktop infrastructure web video redirection method |
| CN107707966B (en) * | 2016-08-08 | 2021-01-22 | 大唐软件技术股份有限公司 | Multimedia data playing method and device |
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