746 results about "HTML5" patented technology

The present invention provides a system and method for real-time communication signaling between HTML5 endpoints and the IMS Core of a telecommunication network. The system includes a WebRTC Session Controller (WSC) that terminates Web communications with the client-side, parses, and normalizes the Web communications into an internal protocol suitable for communication with telecommunications network systems. The client-side controller provides a JavaScript API which encapsulates the signaling aspect of a communication session of the HTML5 application, including gathering media description, establishing signaling channels, and exchanging media descriptions with the WSC, populating the relevant WebRTC objects, managing the call after it has been established. The JavaScript API, which is more flexible than widgets that provide rigid capabilities, thereby simplifies development and implementation of real-time communication Web applications, enabling the developers to concentrate on the business logic implementation and innovate on user interface designs.

The invention provides a method and a device for graphic rendering on a mobile device. The method includes acquiring a JavaScript code of a graphic application program; executing the JavaScript code in an analysis engine; calling a rendering function acquired by the analysis to perform graphic rendering on a rendering target. The JavaScript code includes an API (application program interface) corresponding to an OPENGL (open graphics library)-based rendering function, and the pattern of the API follows the HTML5 (hypertext markup language 5) Canvas standard. The execution process of the JavaScript code includes using the analysis engine to analyze the API as the corresponding OPENGL-based rendering function when the API in the JavaScript code is executed. By the method and the device, speed of graphic rendering on the mobile device can be increased.

The invention discloses a cross-platform mobile data management system and method. The system comprises a client, a server side and a data side, wherein the client is used for providing a mobile operating entry, namely, an interface intersection window, for the mobile data management system, and the form of the client is based on HTML5 local mobile application; the server side is used for providing data service for the client of the mobile data management system, and the form of the data service mainly comprises Web service and FTP (file transfer protocol) service; and the data side is used for providing a data source for the mobile data management system, and the form of the data source comprises a database resource, a sensor Restful resource, a Web service resource and a file resource. With the adoption of the cross-platform mobile data management system and method, a system can use various smart mobile terminal platforms in a compatible manner, so that the effect that the business logic of a mobile application is compiled once and can operate on the various smart mobile terminal platforms is realized.

The invention discloses a three-dimensional point cloud visualization method and device based on a network. The method comprises the steps that point cloud data in different formats from a scanning device is acquired and processed, and the processed point cloud data is stored in a database; network data exchanging is carried out on the point cloud data in the database based on the Ajax technology and the Webservice technology, and the exchanged point cloud data is transmitted to a browser; by combining the WebGL technology and the HTML5 technology, a three-dimensional scene is established for the point cloud data transmitted to the browser, and visualization is carried out. By means of the method and device, smooth interaction three-dimensional visualization experience in the browser can be provided for online users, and database integration is carried out for the multiple point cloud data formats. In addition, it is not required to download any plugin when network visualization is carried out, and the three-dimensional displaying speed is guaranteed.

The invention discloses a multi terminal interconnection method, device and system, and relates to the technical field of internet. The problems of poor terminal compatibility and insufficient application scalability of a multi terminal interconnection scheme of an Apple's operating system are solved. The method provided by the invention comprises the steps that after a user logs in a social application account through a main control terminal, a social application client generates an operation interface according to a pre-loaded HTML5 page; an operation instruction triggered by the user in the operation interface is received; native function parameters corresponding to the control instruction are retrieved through a Javascript interface; and through the HTML5 page, the native function parameters corresponding to the operation instruction are sent to a client server, so that the client server sends the control instruction to a controlled terminal according to the native function parameters. The multi terminal interconnection method, device and system, which are provided by the invention, are mainly applied to the process of a control operation carried out by the main control terminal on the controlled terminal.

The invention discloses a WebView webpage loading performance and user behavior-based stream data collection method. The method comprises the following steps of injecting a JS code for obtaining data, mainly a link of a JS file, into html5, jsp and php webpage codes of a current loaded link after a WebView loads a webpage selected by a user, wherein the pointed JS file contains a pre-written detailed code for obtaining performance data; and then performing interaction through a native code and the JS code, transmitting the data to an APP layer for subsequent arrangement, transmitting the data to a Server end, and finally obtaining the performance data loaded by the webpage. The method is used for monitoring loading time, executive time, executive frequency, JS errors, Ajax performance data and the like of the html5 page, supports collection of user click stream data, and can be applied to multiple platforms of IOS, Android and the like.

The invention discloses a virtual file system based on cloud computing. The virtual file system based on cloud computing comprises a serving terminal and a client terminal, wherein the serving terminal is composed of a file virtualizer, a file processing center, a file system interface, a file transmitter, a user interface, a database, a thumbnail managing module, a file format converting module and a rubbish cleaning device and the client terminal is composed of a receiving and transmitting module, a terminal simulation virtual file system and a file interaction module. The serving terminal interacts with one or more client terminals, so that the functions of carrying out asynchronous operation and asynchronous reading and writing on cloud terminal server files are provided for the system and applications based on the web. An effective solution is provided for the application of HTML5 to support a file system and an API is opened for the application of the third party. The auxiliary technology supporting file format conversion provides a substitute scheme when files which are not compatible with the HTML5 are browsed or edited. A file storage scheme of a cloud terminal is adopted so that a user can manage, browse and edit files without domain limitation, terminal limitation and platform limitation under network connection.

The invention discloses a virtual desktop remote method and system applicable to a mobile terminal or a Web side and belongs to the technical field of network. A VDI (virtual device interface) remotescreen is encapsulated into a coded streaming supported by a browser, the coded streaming is encapsulated into a video streaming capable of being recognized by the browser through a video streaming extension protocol of MSE (media source extensions), and the video streaming is displayed by the aid of an HTML5 video tag. Transmission flow can be lowered by adopting a more efficient frame-related video coding algorithm, use of computing sources can be reduced by making full use of the decoding function of hardware of the browser, and interactive experience is improved.

The invention discloses a non plugin live video method of a browser. The method comprises the following steps: S01: a server obtains a video encoding stream; S02: the server transmits the video encoding stream to a Web browser by using Websocket, and the Web browser receives the video encoding stream by using the Websocket; S03: the Web browser decodes the video encoding stream by using JavaScript; and S04: the browser performs real-time video image display by using canvas+WebGL, namely, video playing. By adoption of the non plugin live video method disclosed by the invention, no plugin needs to be installed in the Web browser, live video can be realized in the browser by using the html5 standard, the delay is short, and the secondary development of the live video is performed conveniently.

The invention discloses a method for converting PPT document to HTML page, and the method comprises the steps of analyzing PPT data; recording all pages in the PPT document and various parameters of all elements in the pages one by one according to a recursion sequence; converting various resource files used in the various parameters and the whole PPT document into a file format that is supported by HTML5; setting a coordinate of an object in a DIV+Css3 pattern based on a resource coordinate analyzed from the PPT document; and generating an HTML page. The method is used to convert a PPT document to an HTML page, and the HTML page can be opened by a browser, therefore, the content and animation can be checked anytime and anywhere without installing any third party plug-in; office work can be done effectively; and work efficiency can be greatly improved.

The invention provides a cloud-computing-based HTML5 application packaging, installation, unloading and operation method and system. The system comprises a server and a plurality of clients, wherein interaction can be conducted between the clients and the server. Each client comprises a transceiver, a procedure file uploading module, an application configuration module, an application calling module, a procedure file loading module, a control creation module, an API interface module and an API and operation space set module. The server comprises a communication interface, a data center, a client code storage module, an application package analysis module, an application package creation module and a user identification module. The system has the functions of creating application packages, installing applications to a remote server, uploading the applications on the remote server, loading and applying the applications on the clients and closing the applications running on the clients. By means of the cloud-computing-based HTML5 application packaging, installation, unloading and operation method and system, users can install the applications to the remote server, the applications can be loaded to the local server to be run when in use, the local space is saved, and the applications are available at any place after being installed once.

The invention provides a game engine which comprises a game frame module, a second engine module and a first engine module which is located between the game frame module and the second engine module. The game frame module is used for storing game program scripts; the first engine module is used for loading, analyzing and executing the game program scripts in the game frame module, and a definition object and an API provided by the second engine module are called in the process of executing; the second engine module is used for providing an expanded definition object and an expanded API for the first engine module, and a HTML5 operating environment is provided for the game program scripts in the game frame module. The second engine module is interacted with a browser of a mobile terminal through an NPAPI. According to the scheme, the fundamental characteristics of existing HTML5 can be supported, platform difference is shielded, a game developer can develop games on a cell phone platform conveniently, and game performance and experience are improved.

The invention discloses a real-time video plugin-free previewing method based on a RTSP and a real-time video plugin-free previewing system based on the RTSP, the method comprises the following steps:acquiring a real-time code stream from a front-end device; transmitting the real time code stream of the front-end device to a streaming media server through the RTSP; receiving and decoding the real-time code stream in a H.264 format into an original code stream by the streaming media server; by the streaming media server, coding the original code stream into the code stream in a VP8 format, andforwarding the code stream in the VP8 format to each client side browser; and by the client side browser, decoding the code stream in the VP8 format through a Web API based on a WebRTC technology, and directly playing the decoded code stream through HTML5. The system comprises the front-end device, the streaming media server and the client side browsers. The method and the system provided by theinvention have no need of installing plugins or extensions, support crossing browsers, also have no need of performing related setting operations of the browsers, and can preview no-delay or low-delaymonitoring videos in real time.

The invention discloses an audio and video live broadcast processing method for solving the problem of relatively high delay of the existing mobile terminal browser during audio and video live broadcast. The method provided by the invention comprises the following steps: obtaining a playing address of a websocket protocol from the service background according to an input live broadcast instruction by a mobile terminal; establishing a data transmission link based on the websocket protocol with a streaming media server according to the playing address; sending a target connection request to the streaming media server; obtaining a first data packet from the streaming media server via the data transmission link; depackaging the first data packet to obtain streaming media data according to a connection object, wherein the streaming media data comprise audio data and / or video data; and performing decoding playing on the streaming media through a browser based on html5. The invention further discloses a storage medium and a mobile terminal.

The invention provides an SNMP (Simple Network Management Protocol) and HTML5 (Hypertext Markup Language 5)-based method for realizing web network topology. The method comprises the steps of: S1, selecting user-defined topology or self-discovered topology; S2, when selecting the self-discovered topology, detecting all resources by utilizing the SNMP, and writing the detected self-discovered network topology resources into a database; S3, according to the self-discovered network topology resources, analyzing to obtain a self-discovered network topological relationship; S4, according to the attributes of the topology resources, displaying the topology resources in a network topology editing page canvas, calculating coordinates of each topology resource in a network topology editing page, and drawing topology management connecting lines by utilizing the drawing function of the canvas of the HTML5 according to the self-discovered network topological relationship; and S5, conducting network usability detection to the topology resources according to the IP (Internet Protocol) of the topology resources, and writing the detected problems into an alarm subsystem for alarming and prompting. Through the method, the network topology presentation of the B / S (Browser / Server) structure can be done through the HTML5, and a user can select user-defined topology or self-discovered topology.

The invention aims at providing an off-line access method and an off-line access system for an advanced enterprise mobile application platform. Under a condition that a mobile network is unstable or mobile equipment of a user cannot be connected to a network server, the off-line access method and the off-line access system can realize that the user can still normally access data in the advanced enterprise mobile application platform and execute operation. The off-line access method comprises the steps of detecting a network state in real time through on-line detection service of an HTML5 (hypertext markup language), and when the network is abnormal, synchronizing data of a remote Web application server to a local server according to a local off-line file and a storage mode of a database of the mobile equipment, and storing the data; when the user supplies a Request, calling an interface to automatically access a local database of a mobile terminal or to call the local off-line file; packaging various operations of the user and all new added data to the local database of the mobile equipment through structuring processing; when the network state is detected to be normal, synchronizing the data stored in the local server to a database of the Web application server.

The invention discloses a method for releasing an intelligent terminal webpage video to a television for broadcasting and an intelligent terminal. The method comprises the steps that: the intelligent terminal browses and loads a video webpage of the HTML5 format on a video website server; an intelligent terminal system obtains a video webpage address loaded by the intelligent terminal browser by means of an intelligent terminal browser core; the intelligent terminal system releases the video webpage address to the television; and the television receives the video webpage address to carry out video broadcasting. The step of obtaining the video webpage address is performed on a Java layer, so that the invention overcomes the shortcoming in the prior art that in order to obtain the video webpage address, root authority is needed to capture messages on a system bottom layer; the method of capturing the video webpage address on the Java layer can be applied to machines with any configuration; and the method provided by the invention aims at the video website of the HTML5 format, is applicable to all the video websites of the HTML5 format, and is high in universality.

A system for real-time interactive presentation, the system communicatively coupled to a network for access by a plurality of user devices comprising a database to store information relating to a plurality of presentations, at least one processor executing instructions stored in non-transitory memory that cause the processor to: receive a presentation in a first format from a presenter user device, convert the presentation to an HTML5 format, embed at least one HMTL5 interactive object into the converted presentation, store the converted presentation including the at least one HTML5 interactive embedded object in the database, upon a request received from a first user device for the converted presentation, transmit the converted presentation including the at least one HTML5 interactive embedded object to the first user device, wherein the presentation including the at least one HTML5 interactive embedded object is rendered for viewing on a display of the first user device, and receive and store first user input data from the first user device in the database when a first user has interacted with the at least one HTML5 interactive embedded object.

The invention discloses a method and system for quickly converting an enterprise information system into a mobile application. The method includes the steps that a client application sends a request to server Java middleware, wherein the client application is a combination of a html5 file and a native container; the Java middleware conducts kernel processing after receiving the request, a database or an interface or a page of the corresponding enterprise information system are requested through a unified data bus; the unified data bus collects data from the enterprise information system through database drive or interface drive or page drive, and the data are converted into data of a JSON format and sent to the client application, wherein keys in the data of the JSON format are custom tags; the client application receives and analyzes the data of the JSON format, and a user interface is generated, wherein the custom tags are adopted in html5 dynamic data in the user interface. By the adoption of the scheme, the development difficulty can be lowered, the cross-platform development time and the cross-platform development cost are saved, the enterprise information system can be quickly converted into the mobile application, and developers do not need to provide too many or permanent technical supports.

The invention relates to a video anchor method and system based on an HTML5 browser, a live video method and system, and a terminal, and belongs to the technical field of the Internet. In the invention, the browser obtains video and audio data of an anchor terminal and transmits the video and audio data to a gateway server of a live broadcast website based on the WebRTC protocol; the gateway server packages the video and audio data into streaming media data, and then transmits the video and audio data to a content distribution network based on the RTMP protocol; and then an audience terminal obtains the streaming media data from the content distribution network and plays the streaming media data. Therefore, no live broadcast software needs to be installed in the anchor terminal, and the audience can conveniently view the video and audio data by using the client software or the browser just by using the live broadcast method of the browser. In this way, a more convenient and quick network live broadcast platform is built, which is easy for users to use and enhances the experience of live broadcast. The application mode of the video anchor method and system is simple, the applicationcost is low, and the application range is also very wide.

The invention discloses a mixed mobile application development method based on Html5. The method comprises the steps that a WebView serves as a main body, the place where a stuck screen or a white screen occurs possibly when Html5 webpage loading is used is subjected to native development, and the place where the number of interaction with a user is more than or equal to 15 times per month is subjected to native development; the place where the number of interaction with the user is smaller than 15 times per month is developed by loading a Html5 webpage through the WebView. The method is used for conducting development of a mixed mobile application, the problems that at present, for the mixed mobile application, video loading is slow, stuck pictures occur, and page jump is slow can be solved, and the user experience is promoted.

The invention discloses a system and a method for achieving intelligent video live broadcast on a front end, which are applied to a browser based on HTML5 to achieve intelligent video live broadcast, and relates to the field of network technologies. The system comprises a video player establishment module, used for establishing a video player based on a HTML5 video tag; an individual menu establishment module, used for establishing an individual menu in a video toolbar, wherein the individual menu is used for controlling the playing, suspending, volume, and display size a video stream and sending and displaying the popup messages input by a user; and a web server, used for sending the video player establishment module and the individual menu establishment module to a user, and providing a video stream address for video live broadcast. According to the system, by the function of establishing the individual video menu, and the function of being capable of sending and displaying popup messages input by the user, the intelligent video live broadcast in the browser based on HTML5 is achieved, and the problem about menu customization of the video player on the browser of a mobile device is solved.

The invention discloses a Web network management system second level cache pushing method based on HTML5, and relates to the technical field of communication and software structures. The Web network management system second level cache pushing method based on the HTML5 comprises a first step that a Web server side receives alarm reporting messages pushed by a network management server and stores the alarm reporting messages in a cache of the Web server side, a second step that the Web server side reads the alarm reporting messages from the cache and pushes the alarm reporting messages to a client side through a WebSocket channel, a third step that the Web client side stores the received alarm reporting messages in a cache of the Web client side and a fourth step that the Web client side reads the alarm reporting messages from the cache in a batch mode and displays the alarm reporting messages on an interface. The Web network management system second level cache pushing method based on the HTML5 effectively improves the ability of Web network management to handle alarm storms, and ensures completeness, a time sequence and accuracy of data.

The invention discloses a multiscreen real-time interaction system based on the Web technology. The multiscreen real-time interaction system comprises at least one client side, a static resource WEB server, a real-time communication server, a data interface API server, an authentication server and a large-screen controller. The client sides support Html5 webpage browsing. The static resource WEB server provides webpage codes, pictures, style definitions and / or script programs to the client sides. The real-time communication server provides a real-time communication service, pushes monitoring data to the client sides in real time and shares operation data between the client sides and transmits a control instruction to the large-screen controller according to a preset scheme. The data interface API server provides service data to the real-time communication server and pushes the services data to the client sides so that the client sides are enabled to acquire the data through an Ajax request. The authentication server provides client side access authentication. The large-screen controller is connected with large screen hardware, receives a soket instruction and performs switching of a large screen application mode.

The invention discloses a cross-platform question bank resource structuring method and belongs to the technical field of question bank resource sharing technologies. The cross-platform question bank resource structuring method includes the steps that 1, test questions are typed in and edited; 2, question stems, options and analysis information of the test questions are packaged through an HTML5 technology; 3, the resources packaged in the HTML5 mode are stored in a database, and the relation between tables is represented through relational data; 4, a test question display terminal is judged; 5, if the display terminal is a PC terminal, a B / S structure is adopted, the relational database is read, and the test question structures and test question content are restored; 6, if the display terminal is a mobile phone or tablet computer intelligent terminal, the test question structures and test question content are written into an xml file and packed into a package to be used by application programs of the terminal. The cross-platform display and use can be achieved for different terminals and users, various test question resources are well provided for various platforms, and teaching demands are met.

The invention provides a popup screen rendering method and apparatus. The method comprises the steps of S1, obtaining original data of a popup screen; S2, generating a corresponding popup object according to a corresponding preset popup screen style by each piece of the original data of the popup screen; and S3, when an idle trajectory exists in a rendering canvas, inserting the popup screen object into the idle trajectory, and rendering all popup screen objects in all trajectories. By utilizing a Canvas function of HTML5, the popup screen no longer depends on Flash, so that the popup screen drawing efficiency is improved, popup screen animations can be displayed on a browser more fluently, and the user experience is improved.

The invention relates to an SCORM courseware generating method and device. The SCORM courseware generating method comprises the steps that a PPT file uploaded by a courseware maker is received and is converted into a material of a HTML5 format so as to ensure the material obtained through conversion consistent to the PPT file in character and animation; the operating information of the courseware maker in the lecturing process is recorded, and the operating information and the material of the HTML5 format are synchronized on the same time line, wherein the operating information includes at least one of page turning, animation, clicking, mouse tracks, voice, exercise distribution, sheet scattering and questionnaire survey. At least one page of information is selected from the synchronized material of the HTML5 format, wherein each page of information is bound with the respective operating formation; according to SCORM standard, the selected material and its operating information are encapsulated as SCORM courseware. By adopting the SCORM courseware generating method and device, the lecturing process of a PPT lecturer can be generated, and the standard SCORM courseware can be generated.

The invention provides an HTML5 page debugging method and device in an APP. The method comprises firstly, simulating an APP operation environment on a local computer and storing an HTML5 page, secondly, loading the HTML5 page in the simulated APP operation environment and displaying the loaded HTML5 page, and, finally, debugging the HTML5 page according the displayed HTML5 page. An effect of the HTML5 page during mobile phone operation can be presented on the local computer, a browser can be adopted in the local computer to debug the HTML5 page, a common debugging method can be implemented, and debugging efficiency of the HTML5 page is improved.

In various aspects, a framework is provided for building rich, responsive, and mobile-enabled HTML 5 web applications. In one embodiment, the framework is based on a thin server architecture (TSA) that uses REST, SSE, and WebSocket to communicate with the server side. This framework, sometimes referred to herein as ‘Avatar’ is a modular, end-to-end web development framework for building enterprise mobile and desktop applications using JavaScript, HTML5 and a thin-server architecture.

The invention provides a method for offline running of an HTML5 (hypertext markup language 5) application program in a mobile terminal, which comprises the steps of: starting the HTML5 application program on the mobile terminal, judging whether a file for normal running of the HTML5 application program exists in a cache region of the mobile terminal or not; if the file exists in the cache region, calling the file by the HTML5 application program for normal running of the HTML5 application program; and if the file does not exist in the cache region, downloading a file from a server into the cache region, and calling the file from the cache region by the HTML5 application program for normal running of the HTML5 application program. Correspondingly, the invention also provides the server and a client side. By implementing the method and the device provided by the invention, the frequency of repeated downloading of the file can be reduced, traffic losses can be reduced for the mobile terminal, the startup of offline application of the HTML5 program can be quickened, the waiting time of a user can be decreased, and the running efficiency of the HTML5 program can be increased.