623results about How to "Smooth playback" patented technology

The method is provided for downloading video content to a user/client's device. The video content includes episode content and ads content. Each content includes metadata. The ads content is inserted in the episode content for viewing during a playback. The ads content is inserted automatically or at a certain designated time based on certain criteria.

A digital video management system which provides live digital video signals from a number of cameras to a number of client terminals, via a computer communications network, in real time. The system stores live video signals in response to a video recording trigger which may be either a schedule, an event, or an operator action. The invention is particularly suitable for use in integrated security and process control environments.

A system and method are herein disclosed for parallel streaming of stored media from multiple sources. The architecture utilizes the notion of indirect streaming and provides a local proxy streaming server which is responsible for interacting with the multiple servers and scheduling downloads of media blocks and for dealing with possible rate fluctuations and server failures.

The invention provides a multi-screen interaction system and method. When the screen is switched, a first terminal pushes video switching information to a second terminal, the second terminal conducts protocol analysis according to the video switching information, and a video resource value is obtained according to the analyzed protocol data; and then the second terminal requests a server for the optimal video bitrate playing address of the video terminal and a player is opened to play the video content of the address. The multi-screen interaction system and method can realize same-screen display of multi-screen videos, and can realize interaction realtime performance according to different terminal configurations and different video playing code rates, and local intranet is used for direct connection so as to reduce network environment congestion, network delay, network jitter and the like and lead the interaction information to be transmitted in time and the user experience to be better.

The invention provides a lesson content video recoding and replaying method and system. Operation instructions are separated from audio and video stream data through a script mode, the bandwidth requirement is effectively lowered, and the smoothness and the screen suitability of playing are improved. The method comprises a video recoding process and a replaying process. The video recoding process comprises the steps of obtaining configuration data of a server side, and initializing client sides; obtaining the starting time of a lesson, and starting video recording; obtaining display data of the teacher client side; starting or stopping obtaining of audio or video data according to the request of the teacher client side of the authorized student client side; recording the operation data of the teacher client side and the operation data of the authorized student client side; recording all chat record data in the lesson; obtaining the ending time of the lesson, and stopping video recording; transmitting all the data of the lesson to a data storage end, adding a lesson ID to the data, and then saving the data. The replaying process comprises the steps that the client sides extract the data of the lesson from the data storage end according to the ID of the lesson; the client sides analyze the data of the lesson and replay the data through a playing module.

The invention provides a high-efficiency streaming media playing method and a high-efficiency streaming media playing device. The method comprises the steps: establishing connection with a streaming media server; reading preset data from the steaming media server; analyzing the preset data according to a communication protocol of the steaming media server to acquire related parameter information; calculating the size of a buffer zone practically distributed according to the related parameter information, and then applying a memory with size equal to that of the buffer zone as a playing buffer zone; reading data stream from the steaming media server; storing the data stream to the playing buffer zone; and decoding and playing the data stream in the playing buffer zone according to the type of the steaming media. According to the scheme, steaming media at different code rates and in different network environments can be dynamically buffered by adopting a dynamic buffering management mode through analyzing the related parameters of the steaming media data to determine the size of the buffer zone, and an effect playing high-code steaming data fast can be fulfilled with lower component configuration.

The invention belongs to the field of mobile terminals and discloses a method, a device and a system for video displaying. The method comprises the steps of obtaining video information matched with current processing capacity of a mobile terminal, enabling the matched video information to comprise resolution ratio and frame rate; obtaining the video needs displaying, correspondingly converting the video needing displaying according to the matched video information; and displaying the converted video needing playing. The device comprises a first acquisition module, a second acquisition module, a converting module and a playing module. The system comprises a website server, a mobile terminal and a transit server, and the mobile terminal comprises the device. By means of the technical scheme of the method, the device and the system for video displaying, the mobile terminal can smoothly display the video.

The invention provides a universal audio/video redirection method for cloud access devices under the VDI environment, which includes the following steps: (1) a communication module, a virtual player and a GStreamer plug-in module are established in a client side; (2) a user carries out video-playing operation after remotely logging in a virtual desktop under the VDI environment on the client side, and a server side transmits control commands and multi-media stream data to the communication module by means of a communication protocol; (3) the communication module forwards the control commands and the multi-media stream data to the virtual player; (4) the virtual player loads the GStreamer plug-in module; (5) after the GStreamer plug-in module is loaded, the received data are forwarded to the GStreamer of the client side, and the GStreamer automatically creates a media-processing module to start playing audio and video. The invention realizes the smooth playing of audio and video when cloud access devices remotely access the virtual desktop under the VDI environment.

The invention belongs to the technical field of network remote video monitoring, and relates to a method for remotely monitoring videos and controlling a cloud platform through an Android phone. The method solves the problems that in the prior art, the portability is poor, monitored images are not smooth, and the remote video monitoring cannot be widely applied. The method comprises the following steps that firstly, the Android phone is initialized, embedded software A is installed at the client side Android phone, and an access account number and a password of a corresponding monitoring terminal web camera are input into the a welcome page of the embedded software A; secondly, the embedded software A receives, analyzes and plays data of a video shot by the monitoring terminal web camera; thirdly, the web camera cloud platform is remotely controlled by touching a web camera cloud platform motion control button in a home page of the embedded software A to enable the web camera cloud platform to move; fourthly, the alarm function of the monitoring terminal web camera is set and started through the embedded software A, alarm information is monitored, and a mailbox is automatically logged into and the alarm information is displayed after the alarm information is received.

The present invention provides method and system for sharing video among mobile terminals. The method comprises: a calling terminal uploads a video file to a media server; a called terminal establishes a video link with the media server through a mobile network; the media server sends a video stream to the called terminal through the video link; the called terminal receives the video stream from the media server and plays the video file. The method and system provided by the present invention enable simultaneous sharing of the same video among multiple called terminals and enable a called terminal to watch the same shared video multiple times, therefore not only time and labour are saved, but also user experience is enhanced. By playing shared video through a mobile network, stream media is played directly and more smoothly, and problems of video buffering and video stagnating in video sharing are solved.

The invention discloses a mobile phone video playing control system and a method thereof. The system comprises a sliding sensing module used for sensing sliding on a mobile phone screen to acquire a sliding parameter, an intention judging module connected with the sliding sensing module and used for judging the operation intention of a mobile phone user according to the sliding parameter, and a playing control module connected with the intention judging module and used for performing playing control on a video currently played by a mobile phone player according to the operation intention. According to the invention, when a video is played on a mobile phone, sliding and other operations can be performed through touch on the mobile phone screen in a specified direction to control related functions of the currently-played video such as volume, brightness and playing progress.

The invention discloses a video coding and network transmission method and a video forwarding server. The video coding and network transmission method comprises the steps of A, carrying out coding on each frame of image, generating standard code stream according to preset display standards, the lowest bandwidth capable of playing the standard code stream smoothly is defined as a standard bandwidth; B, judging real-time bandwidths, dissociating at least one frame image from the frame images displayed by the standard code stream each second by adopting the mode of dropping frames initiatively if the real-time bandwidths are lower than the standard bandwidth, generating sending code stream transmitted outwards, adding at least one frame of image data from the dissociated frame data by adopting an initiative frame adding mode if real-time bandwidth is increased after the frames are dissociated, and transmitting the standard code stream outwards if the real-time bandwidths are larger than or equal to the standard bandwidth. According to the video coding and network transmission method and the video forwarding server, the image quality of each frame is not lowered, the smooth displaying of videos can be guaranteed, therefore, the video quality of different bandwidth situations can be improved, and extra communication cost cannot be increased.

The invention discloses a method and device for accelerating network video downloading. The method comprises the steps that fragmenting is carried out on the file code stream of a network video to be downloaded, and fragmentations are placed in a downloading queue according to a playing order from the front to the back, wherein the front fragmentations in the downloading queue are small, and the rear fragmentations are large; at least one fragmentation in the downloading queue is downloaded according to the mode of a preset strategy dispatching dot pair sever and a point-to-point mode. According to the technical scheme, the downloading of an on-line video can be accelerated, enough video data are cached, and smooth playing is ensured.

The invention discloses an online VOD (video on demand) acceleration system and an online VOD playing method. The online VOD acceleration system mainly comprises a source server and a user host. The source server is an original video server or a server storing video files for video sites. The user host comprises a browser and client software runing in the user host to accelerate video. The client software is used for connecting the source server and is used for accelerated downloading and cache updating for video files by intelligent file segmenting and dynamic speed regulation, and continuously returning the video files to the browser for playing. The online VOD acceleration system further comprises a transit server used for receiving a download request from the user host, downloading the required video file from the source server and returning video data to the user host. A complete system scheme is achieved through strategies such as automatic routing, multilevel caching, intelligent segmental downloading, dynamic speed regulation and the like, so that accelerated downloading and smooth playing of online VOD are achieved.

The invention discloses a video playing method, system and server. The video playing method comprises the following steps: after a server receives a request for a video from a mobile terminal, the server determines the quality parameters of a corresponding video source based on the combination of network transmission parameters and/or the hardware performance parameters of the mobile terminal and a preset first correspondence relation, wherein the first correspondence relation is the correspondence relation between the combination of the network transmission parameters and/or the hardware performance parameters and the quality parameters of the video source; and the server selects and returns the video source in accordance with the determined quality parameters to the mobile terminal in the video sources which can provide the video requested by the mobile terminal. By the invention, different video sources can be dynamically matched by the server directing at the mobile terminal properties and network environments.

The invention relates to a method and a system for segmenting streaming media. The method comprises the following steps of: parsing a streaming media ES (Elementary Stream); calculating the optimal sequence value of a streaming media ES segment time stamp according to a time stamp sequence of a obtained random access point and the given expected segment duration, by using a minimum maximum numerical value optimization method, and by taking the minimum maximum value in a difference sequence of each segment duration and the given expected segment duration as an optimization target; and segmenting the streaming media according to the optimal sequence value. According to the method and the system provided by the invention, segment files meeting an HLS (HTTP Live Streaming) protocol can be generated, namely, the different segment durations belonging to a same multimedia stream can be approached as far as possible, thereby lowering the requirement on a buffering mechanism of a terminal player; and simultaneously, the stability of the system operation is ensured, the segment files can be played smoothly, and the quality of viewing experience of users is improved.

The invention discloses a multithread download method and a download device in network streaming media play, and download equipment. According to the method, when a client clicks a link to be played, a source uniform resource locator (URL) of the link sends a connecting request to a server; after the request is approved and a response header field is received, download information of a document to be downloaded is obtained from the response header field; whether the breakpoint transmission in the document download is supported can be judged according to the download information; if the breakpoint transmission is not supported, single thread download data are directly set up; if the breakpoint transmission is supported, the document can be divided into fragments with the same size according to the length of the document; and at the same time, multi threads are set up for downloading the fragments of the document. A bandwidth is effectively utilized, the download speed is increased, and the fluency of streaming media play is improved.

The invention discloses a mobile terminal play mode switching method and device. The method comprises the following steps: at first, creating a full-screen blank view, creating a full-screen play view, and covering the full-screen blank view with the full-screen play view; then, loading the video content to be played in the full-screen play view; and after receiving a rotation angle of a mobile terminal, loading the rotation angle to the video content of the full-screen play view, and playing the rotated video content in the full-screen play view. The mobile terminal play mode switching method is used for rotating the video content to switch the mobile terminal play mode, and switching a non-full-screen mode in a vertical screen form into a full-screen mode in a horizontal screen form, and in a switching process, the video content displayed on a network view does not need to be re-composed, thereby reducing the consumption of CPU and other hardware resources, and then the switching process is accelerated to ensure smooth play of a video.

The invention discloses a distributed multi-transmission channel network live video parallel distribution method and a system. Through accurately splitting a live stream, the real-time live stream becomes a plurality of sub streams; respective transmission is then carried out through a CDN and virtual transmission channels; and recombination is finally carried out at a player end. Through carrying out splitting of finer granularity on the original live stream, the bandwidth needed by each sub stream becomes a fraction of the original value, and thus better scheduling and management can be realized in the virtual distribution network described in the invention. The method of the invention can solve the conflict between the rising video quality requirements by a user and the insufficient or instable bandwidth of an uplink node in the existing network bandwidth virtualization solution scheme. Through reducing the granularity for RD equipment bandwidth distribution, a physical equipment RD can be better dispatched, burst bandwidth fluctuation can be resisted, video playing at a client is smoother, and user experience is enhanced.

The invention provides an internet online education method and system, wherein the method comprises: acquiring information of online students which includes students' class information, information of a subject under learning and learning progress; acquiring students' learning plans according to the students' class information, the information of the subject under learning, and the learning progress, wherein the learning rules include daily operation arrangement, operation review and examination paper analysis; acquiring knowledge points in a database, and providing examination papers for students according the knowledge points so as to obtain examination results; adjusting the learning plans according to the examination results so as to obtain a new learning plan. The internet online education method and system provide target learning plans according to different conditions of different students, the learning plan is updated in real time according to the students' examination results, and students can be assisted in increasing the scores.