159results about How to "Solve Caton" patented technology

The invention provides a method and device for realizing software bypass in a firewall. The method comprises a step of judging whether a current network traffic flow is larger than or equal to a preset flow threshold, a step of calling a pre-packaged software bypass operation interface in a message receiving end function or an important safety service processing function if the current network traffic flow is larger than or equal to a preset flow threshold such that the software bypass operation interface obtains a current CPU use rate and a current network port receiving rate through calling a pre-packaged calculation interface and the software bypass is carried out between preset paired software bypass network ports according to a preset rule when the current CPU use rate and the current network port receiving rate are larger than a current hardware equipment platform safety service processing packet loss threshold value. According to the method and the device, the problem of network jam or disconnection caused by equipment packet loss when current network flow is large or the sudden traffic of a peak time appears and the current network flow reaches the maximum performance upper limit of the safety service processing of a firewall in the prior art is solved.

The invention discloses an Android set-top box system-based VR image dither solving system and method, and relates to an Android system set-top box of VR. The system comprises a prediction module, a middle frame generation module, a rendering module, a frame caching module, a middle frame caching module, a display module and a vertical synchronous module; when no image frame exists in the frame caching module, the prediction module predicts head pose information of a next frame according to current head pose information; the middle frame generation module generates a middle image frame throughimage distortion operation according to a normally displayed previous image frame in combination with the predicted head pose information of the next frame; and the rendering module renders the middle image frame and caches the middle image frame in the middle frame caching module; and the display module reads the middle image frame in the middle frame caching module and performs display. The problem of VR image frame dither or image jamming is solved, so that the dizziness of a user is avoided.

The invention discloses a video playing unsmoothness switching method and system. The method comprises, when playing unsmoothness of a video file occurs on a terminal, obtaining the downloading code stream value of the video file, wherein the downloading code stream value is the code stream value of the video file during the downloading process from a server; instructing the server side to adjust the downloading code stream value of the video file step by step to be smaller than the obtained downloading code stream value of the video file; downloading the video file according to the adjusted downloading code stream value and meanwhile determining whether the playing unsmoothness of the video file on the terminal is eliminated; if so, instructing the server side to stop the step-by-step adjustment and downloading the video file according to the downloading code stream value corresponding the elimination of the playing unsmoothness. The video playing unsmoothness switching method and system can achieve downloading code stream switching when the playing unsmoothness occurs, thereby solving the problem of playing unsmoothness of videos due to code streams of the videos.

The invention discloses a method for improving the RTP video streaming treatment efficiency in the low-speed network. A video collecting end is responsible for obtaining video data in real time, a video coding and packaging module compresses and encodes the video data at first to form videos of a standard format H.264, then RTP packaging is carried out on the compressed videos, and the packaged data are sent to a network cache region; a network sending end obtains the shared RTP package data in the network cache region to generate the RTP frame data, and a plurality of TCP socket pairs are uploaded to the network sending end through the foundation network; a network receiving end as a video server transmits the RTP data by setting up TCP sockets with the network sending end. According to the method, the sockets transmit real-time RTP streaming together, a plurality of small RTP packages are reasonably combined and transmitted at a time, the bandwidth utilization rate is increased, the network transmission efficiency is improved, and the problems of frame loss, frame hysteresis and screen blurring caused by real-time transmission of video streaming can be effectively solved.

The invention provides a bullet screen message processing method and device. The method comprises the following steps: S1, creating a temporary URL link on a client by using static resources for processing bullet screen on a server, and using the temporary URL link to create a bullet screen message processing sub-thread; S2, retrieving a pre-created bullet screen message processing task queue in the bullet screen message processing sub-thread after each preset time length, and storing the bullet screen messages corresponding to the retrieval result in a pre-created stack; S3, if unprocessed bullet screen messages exist in the stack, converting the unprocessed bullet screen messages into HTML templates; and S4, sending the HTML templates to a main thread of the bullet screen message processing sub-thread, so that the main thread renders the unprocessed bullet screen messages. By adoption of the bullet screen message processing method and device, the cross-domain problem is solved on onehand; and on the other hand, the batch processing of the bullet screen is achieved, the bullet screen processing efficiency is improved, the client blockage problem is solved, and the user experienceis improved.

The application discloses a rendering method and device used for a user interface (UI). The method includes: establishing an ADNode tree, which corresponds to an added or changed visible control, through an ADNodeThread when the UI adds and/or changes the visible control; generating a View tree through a UI thread, and mounting an AsyncView of the ADNode tree at a node where the visual control corresponding to the view tree is located; generating an asynchronous rendering result through the ADNodeThread according to the ADNode tree; and completing a drawing process of the AsyncView in the viewtree by the UI thread according to the asynchronous rendering result, and generating a UI. Therefore, problems that UI thread resources are occupied in a rendering process and UI running is not smooth are solved.

The embodiment of the invention discloses a multi-video-card video data processing method and device, and aims to solve the technical problems of lag, tearing, excessively-low frame rate and the like under a multi-screen and multi-video-card situation due to playing of local video files with a common player in a work station in current large-screen display applications of monitoring rooms and meeting rooms. In the embodiment of the invention, the multi-video-card video data processing method comprises the following steps: determining widths and heights of output screen resolutions of video cards; creating corresponding D3D equipment and buffering areas according to the widths and the heights of single logical screens formed by the video cards; and copying decoded video data into the buffering areas through the D3D equipment in order to uniformly display the decoded video data.

The invention relates to the technical field of network broadcast and particularly relates to a method and apparatus for playing live streams in a live broadcast room, a computer storage medium, and a device. The method comprises the following steps: decoding cached and undecoded live stream data in a live stream data cache queue by use of a decoding thread; storing decoded data in a live data output list and playing the data; during the decoding process of the decoding thread, judging whether a first time length of the cached and undecoded live stream data in the live stream data cache queue is greater than a first time length threshold; if the first time length is smaller than or equal to the first time length threshold, pulling, by a pulling thread, new live stream data and caching the new live stream data into the live stream data cache queue; and if the first time length is greater than the first time length threshold, stopping, by the pulling thread, pulling the new live stream data until the first time length is smaller than or equal to the first time length threshold. According to the invention, the problem of stagnation in a live broadcast process is solved, and the live broadcast process becomes smooth.

The invention provides an information display method and an information display device. The method comprises the following steps: obtaining the information type of each part of to-be-displayed information in a plurality of parts of to-be-displayed information; judging whether the information type contains a target information type or not; if the target information type is included, obtaining a first refresh frequency of target to-be-displayed information corresponding to the target information type, and determining a first display frequency according to the first refresh frequency; and displaying the plurality of parts of to-be-displayed information according to the first display frequency. Therefore, when a plurality of parts of to-be-displayed information are included, smooth and complete display of the to-be-displayed information of a specific information type is preferentially ensured. The power consumption during information display is balanced. The technical problems of information display lag, repeated display or frame loss in the prior art are solved.

The invention provides a coal mine monitoring system and method and a computer storage medium, and the system comprises intelligent sensing equipment which is disposed in a well and can collect coal mine safety monitoring data in real time; edge computing gateway equipment which is connected with the intelligent sensing equipment, can acquire the coal mine safety monitoring data, carry out local analysis and processing to generate decision information, gives an alarm instruction according to the decision information and sends a control instruction to associated equipment; a plurality of coal mine safety monitors which monitors the environmental information in the coal mine; and a group-layer safety monitor which acquires safety monitoring information of each coal mine. According to the system provided by the embodiment of the invention, the pressure of a ground data processing center is reduced, the timeliness of data analysis is improved by changing a mode where the data is transmitted to a ground central station to be processed into a mode of processing the data underground, and the service response capability is enhanced.

The invention relates to the field of remote teaching and especially relates to a remote learning system. The remote learning system comprises a collecting device, a cloud terminal, a content dispatching network system and a terminal, wherein the collecting device comprises a video collecting device and an audio collecting device; the video collecting device is used for collecting the video information of the teacher having a lesson and sending to the cloud terminal; the audio collecting device is used for collecting the video information of the teacher having a lesson and sending to the cloud terminal; the content dispatching network system is arranged between the cloud terminal and the terminal; the content dispatching network system comprises a plurality of service nodes; the content dispatching network system is used for dispatching the video information and audio information received by the cloud terminal to the service nodes; the terminal is connected with the optimal service node according to the distances away from the service nodes and the loading conditions of the service nodes. The remote learning system is capable of solving the problems of network jam, delaying, blocking or offline of the present remote learning system when a large amount of users are online.

Embodiments of the invention disclose an application program starting method and device, a storage medium and a terminal. The method comprises the following steps of determining a to-be-preloaded application program when an application pre-loading event is detected to be triggered; preloading the to-be-preloaded application program; when a starting instruction of a target application program, which is contained in the to-be-preloaded application program, is received, judging whether preloaded first configuration information corresponding to the target application program is the same as secondconfiguration information of a current display interface; and if not, prohibiting an update operation on the first configuration information, and starting the target application program based on the first configuration information. Through the adoption of the technical scheme, the problems that the preloaded target application program is slow in starting speed and has a lag due to the fact that the first configuration information corresponding to the preloaded target application program and the second configuration information of the current display interface are different can be effectively solved, and the starting speed of the to-be-preloaded application program can be effectively improved.

The invention relates to a Hough transform-based circle recognition method. The circle recognition method comprises the steps of S1, calling an OpenCV vision library, and enabling multiple threads to perform frame skip processing on an original image; S2, performing gray processing, zooming and smoothing processing on the original image subjected to the frame skip processing in sequence to obtain an optimized image; S3, calling a cvHoughCircles function in the OpenCV vision library to perform circle detection on the optimized image to obtain a detection result, wherein the detection result comprises circle center coordinates and a circle radius; and S4, performing accumulation analysis and screening processing on detection results returned every a predetermined frame number to obtain an optimal detection result. The method has the beneficial effects that the technical scheme is high in matching speed, good in anti-jamming capability and high in detection precision.

The invention discloses a data processing method and device and belongs to the technical field of data. The method comprises the steps of obtaining practical transmission efficiency of streaming mediadata, wherein the practical transmission efficiency is determined according to a ratio between second streaming media data quantity received by a second device and first streaming media data quantitysent by a first device; inputting the practical transmission efficiency and preset target transmission efficiency into a proportion-integration-differentiation (PID) controller, thereby obtaining anadjustment coefficient; and adjusting a transmission bit rate of the streaming media data by a coder according to the adjustment coefficient. According to the method and the device, the problem that the streaming media data transmission is delayed due to the fact that a network bandwidth predicted by the first device is asynchronous with an adjustment bit rate is solved. The first device does notneed to predict the network bandwidth, so the adjustment coefficient which is not suddenly changed within short time can be obtained through utilization of the PID controller. The transmission efficiency of the streaming media data is improved.

The embodiment of the invention provides a network video playing method and an apparatus thereof. The method is applied to an internet of scenes and comprises the steps of reading video frames from avideo buffered queue; collecting a frame interval between the video frames in real time and analyzing to obtain a dormancy time for playing the video frames; extracting the number of the video framesin the video buffered queue, and performing comparative analysis on the number of the video frames; if the number of the video frames is smaller than a minimum threshold value, increasing the dormancytime according to a predetermined rule; if the number of the video frames is greater than a maximum threshold value, reducing the dormancy time according to the predetermined rule; and based on the current dormancy time, playing the video frames. The method can analyze in real time to obtain the frame interval between the video frames currently read from the video buffered queue, and analyzes according to the number of the video frames in the buffered queue to obtain the dormancy time required to play a video, so the problem that a video picture is stuck and is jittered due to an insufficiently accurate timestamp of the video is solved.