CN100433831C - Video monitoring method and system based on WAP browser - Google Patents
Video monitoring method and system based on WAP browser Download PDFInfo
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- CN100433831C CN100433831C CNB2005100865746A CN200510086574A CN100433831C CN 100433831 C CN100433831 C CN 100433831C CN B2005100865746 A CNB2005100865746 A CN B2005100865746A CN 200510086574 A CN200510086574 A CN 200510086574A CN 100433831 C CN100433831 C CN 100433831C
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Abstract
The present invention discloses a WAP browser based video monitoring method and a monitoring system. The monitoring method comprises a video stream decoding and picture saving step and a picture browsing step of a mobile terminal; in the video stream decoding and picture saving step, a frame picture converting unit reads video data on a steaming media server, and obtained pictures are saved in the circulation manner after the decoding operation; in the picture browsing step of a mobile terminal, the mobile terminal selects the contents of steaming media, and then a WAP browser displays the pictures in sequence. When the WAP browser based video monitoring system and the monitoring method of the present invention are used for the establishment in a portal subsystem, no extra cost is increased, users of a common WAP mobile phone can browse the contents of streaming media in the form of browsing dynamic pictures through converting streaming media into pictures, and meanwhile, the normal application of the existing systems is not influenced.
Description
Technical field
The present invention relates to use the WAP browser to carry out the method for video monitoring, specifically is a kind of method that streaming video conversion back is shown in the WAP browser.
Background technology
WAP is the english abbreviation of " Wireless Application Protocol " (WAP (wireless application protocol)), is called as " the Internet in the pocket ", is acknowledged as the technology application examples that mobile communication combines with the Internet.Provide the global unified open protocol standard of internet content and advanced value-added service as a kind of to portable terminal, WAP brings internet content and data, services into mobile telephone terminal.As long as the user carries the mobile terminal device of supporting wap protocol each WAP site of just can roaming.Become popular popular consumer goods owing to possess the mobile phone of WAP function, increasing user begins to obtain various information by surfing Internet with cell phone.
Because the fast development of wireless communication technique, 2.5G commercialization is used comprehensively, 3G is also with very fast enforcement, " bottleneck " problem that restriction WAP uses, be the transmission speed problem of big flow file (as multimedia files such as image, music, video flowings), had suitable mature technique solution.This will greatly expand the WAP service content that comprises web page browsing, videoconference, ecommerce etc., have broad application prospects thereby WAP is gathered around as the medium that flow easily.
Along with networks development, watch streaming video video content etc. general gradually by the Internet network, at present relevant international standard communication protocol (comprising real-time stream media protocol RTSP:RealTime Streaming Protocol) has been arranged and followed the DST PLAYER of these standards and relevant device such as streaming media server.Also formally commercial by mobile phone access streaming video content now, but all require mobile phone that the player that carries will be arranged, or have the ability to install player software.
Fig. 1 is existing Streaming Media monitoring solution, comprising:
Wire user is connected into Internet by wired access device, can be by watching streaming medium content after the door navigation; Mobile phone (possessing Streaming Media ability mobile phone) with DST PLAYER can be watched streaming medium content by wireless network, packet data serving node (PDSN, Package Data Service Node) after being connected into Internet.
Provide the cell phone system of DST PLAYER that very strong disposal ability will be arranged, comprise that internal memory, CPU will satisfy the requirement of software, otherwise just can not carry out the broadcast of streaming video.This technology can not be moved on the mobile phone that has the WAP function of low side, and main cause is:
Common WAP cell-phone function is more single, can only browse literal and picture, does not browse the ability of Streaming Media;
The disposal ability of this kind mobile phone, CPU etc. do not have ability operation streaming video player, or do not have to supply the interface or the platform of exploitation;
WAP browser browsing pictures can only be a static images;
Streaming media server and low side WAP mobile phone do not have attachable agreement.
Summary of the invention
The object of the present invention is to provide a kind of video frequency monitoring method and supervisory control system, need not increase extra cost, do not influence under the situation of normal use of existing system, solve the problem that common WAP mobile phone can't be browsed Streaming Media based on the WAP browser.
To achieve these goals, the invention provides a kind of video frequency monitoring method based on the WAP browser, be applicable to the video monitoring system based on the WAP browser, described system comprises portal server cluster, streaming media server and monitoring client, it is characterized in that this method comprises:
Decoding video stream and picture are preserved step, and frame picture converting unit reads the video data on the described streaming media server, and the picture that obtains is preserved in the circulation of decoding back;
The step of portable terminal browsing pictures, described portable terminal are selected to show described picture successively by the WAP browser behind the described streaming medium content.
Above-mentioned video frequency monitoring method based on the WAP browser, wherein, described decoding video stream and picture are preserved step and specifically be may further comprise the steps:
Step 11, described frame picture converting unit starts, and reads configuration file;
Step 12, described frame picture converting unit connects described streaming media server and obtains described video data;
Step 13, frame picture converting unit is carried out framing, decoding and demonstration with the video data that obtains;
Step 14, frame picture converting unit intercepts the picture that shows, and picture is preserved;
Step 15, described frame picture converting unit is waited for the scheduled time;
Step 16, described frame picture converting unit are judged whether shut down procedure of user, if process ends then, otherwise forward described step 14 to.
The above-mentioned video frequency monitoring method based on the WAP browser, wherein, in the described step 14, described frame picture converting unit utilizes at least a picture format and photo resolution that described picture is preserved.
The above-mentioned video frequency monitoring method based on the WAP browser, wherein, in the described step 14, described frame picture converting unit adopts circulation to cover or increases file regularly preserves described picture with the mode that the file of a period of time is deleted.
The above-mentioned video frequency monitoring method based on the WAP browser, wherein, in the described step 14, when described frame picture converting unit was arranged at described portal server cluster, described step 14 was directly put into buffer memory with the picture file that produces, and is transferred to described portable terminal.
Above-mentioned video frequency monitoring method based on the WAP browser, wherein, the step of described portable terminal browsing pictures specifically may further comprise the steps:
Step 21, described portable terminal are used WAP browser access WAP door, and click corresponding program;
Step 22, the WAP browser of described portable terminal at first show the described picture of preserving in up-to-date described decoding video stream and the picture preservation step;
Step 23, the WAP browser of described portable terminal is waited for the scheduled time;
Step 24, the WAP browser of described portable terminal are judged whether the user clicks and are stopped or other pages, do not stop to change over to described step 22 if click, otherwise described WAP browser stop picture or forwards other pages to.
Above-mentioned video frequency monitoring method based on the WAP browser, wherein, described portable terminal uses WAP1.2 and WAP2.0 to realize in conjunction with the JavaScript dual mode, use the OnTimer incident in the WAP Markup Language when using the timer of WAP1.2, then use the cycle timer among the JavaScript when using WAP2.0 in conjunction with the JavaScript mode.
The above-mentioned video frequency monitoring method based on the WAP browser, wherein, the picture format that portal server can be watched according to described portable terminal, resolution sizes parameter are shown to described portable terminal corresponding picture file.
The above-mentioned video frequency monitoring method based on the WAP browser, wherein, in the described step 23, described WAP browser carries out buffer memory with second width of cloth picture when showing first width of cloth picture.
In order better to realize above-mentioned purpose, the present invention also provides a kind of video monitoring system based on the WAP browser, comprises portal server cluster, streaming media server and monitoring client, wherein, also comprises:
One frame picture converting unit is used for the video data decoding on the described streaming media server, and the picture that decoding obtains is preserved in circulation;
Described portal server cluster also is used for when portable terminal is selected described streaming medium content described picture being shown to described user successively by the WAP browser.
Above-mentioned video monitoring system based on the WAP browser, wherein, described frame picture converting unit is arranged in the described portal server cluster, and the described picture that described frame picture converting unit will produce is directly put into buffer memory, and is transferred to described portable terminal.
Video monitoring system and method for supervising based on the WAP browser of the present invention is based upon in the portal sub-system, need not increase extra cost, and, can make common WAP cellphone subscriber browse the content of Streaming Media by the form of browsing dynamic picture by converting Streaming Media to picture; Compare with existing streaming media video supervisory control system and method, do not rely on special networks equipment, do not introduce new key point to system, so can not cause the performance bottleneck of system because of loading problem, do not influence the normal use of existing system, by generating a plurality of files of different file sizes, file type, can guarantee optimal display result simultaneously.
Description of drawings
Fig. 1 is the structural representation of existing video monitoring system based on the WAP browser;
Fig. 2 is the structural representation of the video monitoring system based on the WAP browser of the present invention;
Fig. 3 is the flow chart that decoding video stream of the present invention and picture are preserved step;
Fig. 4 is the flow chart of the step of portable terminal browsing pictures of the present invention.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 2 is the structural representation of the video monitoring system based on the WAP browser of the present invention, video monitoring system based on the WAP browser of the present invention has as seen from the figure increased by a Streaming Media and has changeed picture servers 4 on the basis of existing video monitoring system based on the WAP browser, comprising:
Streaming Media changes picture servers 4, comprises a frame picture converting unit, is used for streaming medium content is converted to the static images that can supply WAP to browse.
In the present embodiment, streaming media server 2 adopts the streaming media server QTSS (QuickTime Streaming Server) of APPLE company, portal server cluster 1 with APACHE in conjunction with TOMCAT cluster and J2EE development technique system, the data flow of video monitoring has been forwarded on the streaming media server 2, and common WAP mobile phone also can connect Internet access stream media system by PDSN.
In conjunction with shown in Figure 2, the video frequency monitoring method based on the WAP browser of the present invention comprises the steps:
Decoding video stream and picture are preserved step, stream medium data on the frame picture converting unit reading flow media server 2, and the picture that obtains is preserved in the circulation of decoding back;
The step of portable terminal browsing pictures, portable terminal are selected to show up-to-date picture by the circulation of WAP browser behind the streaming medium content.
Fig. 3 is the flow chart that decoding video stream of the present invention and picture are preserved step, and it runs on Streaming Media changes in the picture servers, certainly, also can be integrated in other servers and realize, specifically may further comprise the steps:
Step 301, frame picture converting unit starts, read configuration file, this configuration file is preserved the address link of a plurality of monitor source and is preserved the path of picture, intercepting picture stand-by period parameters such as (this time are the blanking time when video monitoring being carried out the intercepting of frame picture);
Step 302, frame picture converting unit use the RTSP agreement to connect streaming media server, by transmission RTP/RTCP packet, obtain video data;
Step 303, frame picture converting unit is carried out framing, decoding and demonstration with the video data that obtains;
Step 304, the picture that the intercepting of frame picture converting unit shows, and picture preserved, in this step,, can preserve plurality of picture form and photo resolution in order to adapt to the mobile phone terminal of various models, as picture being saved as JPG and PNG form, photo resolution saves as 176*144,128*96, three kinds of sizes of 96*80, preserves six files altogether, is kept in the respective directories that configuration file sets;
Simultaneously,, cause picture file bigger, generally can its resolution can be reduced, for example adopt the 16bit look to be converted to the size that 8bit look mode can obviously reduce file than the big several times of JPG file because the image color of PNG picture is more;
Step 305, frame picture converting unit is waited for the scheduled time (generally according to system requirements, the network bandwidth etc., as 5 seconds);
Step 306, frame picture converting unit are judged whether shut down procedure of user, if process ends then, otherwise forward step 304 to.
For the picture that makes preservation is unlikely to too many, the method that the store method of picture file can adopt circulation to cover, as only producing 60 picture files, newly-generated file covers a oldest file, also can use the increase file, regularly the file before a period of time be deleted then;
When video flowing is analog signal, analog signal need be utilized equipment such as digital to analog converter with IMAQ, utilize encoding software that video is converted to continuous picture then, in mobile phone, show being used for, simultaneously also can when being encoded to stream medium data, carry out the conversion of picture, directly save as the picture that on WAP, to watch;
Certainly, this frame picture converting unit also can be integrated in other servers and realize, if frame picture converting unit is arranged at the portal server cluster, the file that produces can not preserved, and directly puts into buffer memory, and directly is transferred to portable terminal.
Fig. 4 is the flow chart of the step of portable terminal browsing pictures of the present invention.Portal server adopts trunking mode, adopt the mode of APACHE in conjunction with TOMCAT, any station server fault does not influence cluster provides WEB service to the WAP browser, even can accomplish that any station server does not influence the session that terminal has been set up with server when machine.Portal server access stream medium change picture employing NFS NFS (the Network File System) agreement that picture servers is changed out, and this agreement can be mapped to the catalogue that produces picture under the door catalogue of any station server in the portal server cluster.
Do not use NFS to provide the method that reads picture as portal server if Streaming Media changes picture servers, the mode that also can use alternative document to share perhaps directly directly copies file in all machines of portal server cluster.
As shown in Figure 4, portable terminal browsing pictures of the present invention comprises the steps:
Picture format, the resolution sizes that generally all mobile phone can will be watched during the mobile phone access door are transferred to portal server, therefore, parameter such as the picture format that also can watch according to mobile phone of portal server, resolution sizes is shown to cellphone subscriber's corresponding picture file;
If the timer of use WAP1.2 need use the OnTimer incident among the WML (WirelessMarkup Language, WAP Markup Language) in the WAP browser;
If in the WAP browser, use WAP2.0 in conjunction with the JavaScript mode, then use the cycle timer among the JavaScript, i.e. the setInterval method;
Simultaneously, if the method that adopts the picture file circulation to cover is carried out file cache of the same name for avoiding mobile phone to picture, can take behind filename, to increase the method for random number.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (11)
1, a kind of video frequency monitoring method based on the WAP browser is applicable to the video monitoring system based on the WAP browser, and described system comprises portal server cluster, streaming media server and monitoring client, it is characterized in that, this method comprises:
Decoding video stream and picture are preserved step, and frame picture converting unit reads the video data on the described streaming media server, and the picture that obtains is preserved in the circulation of decoding back;
The step of portable terminal browsing pictures, described portable terminal are selected to show described picture successively by the WAP browser behind the described streaming medium content.
2, the video frequency monitoring method based on the WAP browser according to claim 1 is characterized in that, described decoding video stream and picture are preserved step and specifically be may further comprise the steps:
Step 11, described frame picture converting unit starts, and reads configuration file;
Step 12, described frame picture converting unit connects described streaming media server and obtains described video data;
Step 13, described frame picture converting unit is carried out framing, decoding and demonstration with the video data that obtains;
Step 14, described frame picture converting unit intercepts the picture that shows, and picture is preserved;
Step 15, described frame picture converting unit is waited for the scheduled time;
Step 16, described frame picture converting unit are judged whether shut down procedure of user, if process ends then, otherwise forward described step 14 to.
3, the video frequency monitoring method based on the WAP browser according to claim 2 is characterized in that, in the described step 14, described frame picture converting unit utilizes at least a picture format and photo resolution that described picture is preserved.
4, the video frequency monitoring method based on the WAP browser according to claim 2 is characterized in that, in the described step 14, described frame picture converting unit adopts circulation to cover or increases file regularly preserves described picture with the mode that the file of a period of time is deleted.
5, the video frequency monitoring method based on the WAP browser according to claim 2, it is characterized in that, in the described step 14, when described frame picture converting unit is arranged at described portal server cluster, described step 14 is directly put into buffer memory with the picture file that produces, and is transferred to described portable terminal.
6, the video frequency monitoring method based on the WAP browser according to claim 1 and 2 is characterized in that, the step of described portable terminal browsing pictures specifically may further comprise the steps:
Step 21, described portable terminal are used WAP browser access WAP door, and click corresponding program;
Step 22, described portable terminal enters the picture display interface, and the WAP browser at first shows the described picture of the described program correspondence of preserving in up-to-date described decoding video stream and the picture preservation step;
Step 23, the WAP browser of described portable terminal is waited for the scheduled time;
Step 24, the WAP browser of described portable terminal are judged whether the user clicks and are stopped or other pages, do not stop to change over to described step 22 if click, otherwise described WAP browser stop picture or forwards other pages to.
7, the video frequency monitoring method based on the WAP browser according to claim 6, it is characterized in that, described portable terminal uses WAP1.2 and WAP2.0 to realize in conjunction with the JavaScript dual mode, use the OnTimer incident in the WAP Markup Language when using the timer of WAP1.2, then use the cycle timer among the JavaScript when using WAP2.0 in conjunction with the JavaScript mode.
8, the video frequency monitoring method based on the WAP browser according to claim 6 is characterized in that, the picture format that described portal server can be watched according to described portable terminal, resolution sizes parameter are shown to described portable terminal corresponding picture file.
9, the video frequency monitoring method based on the WAP browser according to claim 6 is characterized in that, in the described step 23, described WAP browser carries out buffer memory with second width of cloth picture when showing first width of cloth picture.
10, a kind of video monitoring system based on the WAP browser comprises portal server cluster, streaming media server and monitoring client, it is characterized in that, described video monitoring system also comprises:
One frame picture converting unit is used for the video data decoding on the described streaming media server, and the picture that decoding obtains is preserved in circulation;
Described portal server cluster also is used for when portable terminal is selected described streaming medium content described picture being shown to described user successively by the WAP browser.
11, the video monitoring system based on the WAP browser according to claim 10, it is characterized in that, described frame picture converting unit is arranged in the described portal server cluster, and the described picture that described frame picture converting unit will produce is directly put into buffer memory, and is transferred to described portable terminal.
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Families Citing this family (9)
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CN101309393B (en) * | 2007-05-17 | 2010-06-23 | 中兴通讯股份有限公司 | Method and system for inter-cut video monitoring in interactive network television |
CN101959061B (en) * | 2010-11-03 | 2012-05-02 | 重庆瑞斯凯特科技有限责任公司 | Video monitoring system and method for traffic road conditions |
CN102025980A (en) * | 2010-12-15 | 2011-04-20 | 上海敏拓计算机科技有限公司 | Mobile terminal video monitoring system |
CN102547239B (en) * | 2011-12-29 | 2014-01-29 | 浙江工业大学 | Android mobile terminal-based video monitoring system |
CN104144322A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | Method and system for achieving video monitoring on mobile terminal and video processing server |
WO2017187607A1 (en) * | 2016-04-28 | 2017-11-02 | 三井不動産株式会社 | Video monitoring method, server and video monitoring system |
CN108462825A (en) * | 2017-02-21 | 2018-08-28 | 阿里巴巴集团控股有限公司 | Method for processing video frequency and device |
CN107124637A (en) * | 2017-05-18 | 2017-09-01 | 北京视博云科技有限公司 | Method and device, computer-readable storage medium in the enterprising row information notice of light terminal |
CN112637560A (en) * | 2020-12-10 | 2021-04-09 | 浪潮电子信息产业股份有限公司 | Method and system for checking real-time picture of camera at Web end of micro-module computer room |
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