55results about How to "Does not affect playback" patented technology

This invention relates to a dynamic random disturbance and cipher-decipher method of the video information characterizing in extracting several key data blocks for disturbance from the video information needing to be ciphered then to recover the disturbed data blocks to the extract position to be mixed with those nonkey data as the ciphered video stream to be output. The de-cipher process is similar to that. The matrix used in disturbance is dynamically generated by pseudo-random sequence, the disturbance matrixes are different to all video frames, security reaches the applied level. This invention can realize standard compressive video information cipher and decipher with hierarchy security.

A motor vehicle running status multi-picture audio-video signal recording instrument can combine all camera head recorded image displaying in same displaying interface, and forming record file with sound signal, said record file capable of representation above-mentioned scene and vehicle parking surrounding safety monitoring scene, and with safety warning function, said information including motor vehicle certificate number, running relative braking, steering, dipped headlight, high beam, warning lamp, foglight operation etc.

The invention discloses a transport processing method of MPEG transport stream TS in a request service, which is applicable to a stream server. The method comprises that: A. analyzing and inquiring whether key frame data is included in a coded TS packet or not; B. combining the TS packets into loading data of a real-time transport protocol RTP packet which is packed through filling with RTP headers comprising an extension header with indication information which is used to indicate that whether the key frame data is included in the RTP packet; C. storing the RTP packet; D. searching a RTP packet required by a random access after receiving a random access command, and determining whether to send the packet or not according to the indication of the extension head. The invention can avoid using a complicated search algorithm to determine whether a media packet is a random access point or not during each random access, thereby reducing consumption for system resources, improving the efficiency of the random access, and reducing the cost.

The invention discloses a video recording method, a computer readable storage medium and a recording-playing system. The video recording method comprises the steps of receiving video operation information sent by an application operation scheduling device, wherein the video operation information includes operation actions, operation time and operation video information; according to the operationvideo information, acquiring a corresponding target video stream from a preset data source; and sequentially analyzing the operation actions according to the operation time, forming node information files according to analytical results, and storing a node information file of each operation action and a corresponding target video stream to a corresponding video recording file package. According tothe video recording method, the computer readable storage medium and the recording-playing system, by recording operations on a video in a video recording process, the recording process can be restored authentically and perfectly; and moreover, an original definition can be perfectly restored, and a playback effect is guaranteed.

The invention discloses a random access processing method of a media flow, which is applicable to stream server, comprising that: A. whether every coded media packet is a random access point or not is judged, and every media packet is added with an extension header used for indicating whether the media packet is the random access point, then the media packet carrying the extension header is storied; B. the media packet requested by the random access is searched after the random access instruction is received, and the packet delivering is controlled according to the instruction of the extension header. Using the invention can avoid judging whether the media packet is the random access point or not by adopting complicated seeking algorithm at each time of random access, thus reducing the consumption to the system resource, improving the efficiency of random access, and reducing cost.

The invention discloses a notification message display method and a mobile communication terminal. The notification message display method comprises the steps of: receiving a notification message by the mobile communication terminal at first; then, judging whether the display interface of the mobile communication terminal operates a pre-set event in the full-screen mode or not; and if so, forbidding to display the notification message on the full-screen mode interface of the mobile communication terminal. Thereby, the mobile communication terminal cannot be interfered by insertion of the notification message while operating the pre-set event in the full-screen mode; usage of users cannot be influenced; in addition, wearable equipment corresponding to the mobile communication terminal also can be controlled to prompt the notification message; therefore, the notification message can be prompted to users in time; when the mobile communication terminal is in the full-screen mode, the fact that playing in the full-screen mode cannot be influenced by the notification message can be ensured; and furthermore, the notification message can be provided for the users in time.

The invention discloses a viewpoint switching method of a multi-viewpoint video, which comprises the following steps that: a viewpoint switching request sent by a terminal is received, the viewpoint switching request comprises requested new viewpoint information, and the requested new viewpoint information is calculated by the terminal according to the camera information of the multi-viewpoint video and the viewpoint switching action of a user; and sending the video of the requested new viewpoint to the terminal according to the information of the requested new viewpoint. According to the invention, interaction of multi-viewpoint video viewpoint switching between the terminal and the server can be realized, and smooth transition of viewpoint switching is realized; multi-view switching is realized based on a widely applied HLS or RTMP streaming media protocol, the change is small, and the application range is wide; multiple terminals can be supported to perform viewpoint switching at the same time, the terminals are independent, and respective viewpoint switching videos are played; the method is realized by extending the existing HLS or RTMP streaming media protocol, and the playingof the existing single-viewpoint HLS or RTMP streaming media protocol is not influenced. The invention further provides a corresponding viewpoint switching server and system for the multi-viewpoint video.

The invention discloses a streaming media transmission control method. The streaming media transmission control method comprises the following steps: a streaming media server receives a streaming media file playing request sent by a client, transmits a streaming media data block with a content size of m+k to the client at the maximum available rate V of the network, and separately transmits a streaming media data block with a content size of k to the client at the maximum available rate V of the network starting from the starting moment of each period by from t0+t moment with t as a transmission period, until the streaming media file is completely transmitted or a playing stop request sent by the client is received. According to the streaming media transmission control method, the video playing effect of the client is not affected, the network damage tolerance is high, the video playing effect of the client in a real-time stream transmission mode is improved, better streaming media quality and viewing experience are brought for the users, and the resource waste of the network and the server in the sequential stream transmission mode is reduced.

The invention relates to processing of video stream, and especially relates to a TS (Transport Stream) processing method friendly to an artificial intelligence algorithm and an application thereof. The TS processing method comprises the steps of: (1) receiving a TS; (2) judging whether there is a need to add a data packet of structural data and/or business rules; if it is judged that there is no need, continuing receiving the TS; and if it is judged that there is a need to add the data packet of the structural data and/or business rules, performing operation of a step (3); and (3) segmenting the data packet of structural data and/or business rules into at least one data packet in the form of Null Packets, and continuously inserting the data packet to a position prior to the current TS. TheTS processing method of the invention has the beneficial effects that: the TS with packaged data completely meets a standard, a third-party player or browser has to discard the data packet in the form of Null Packets according to requirements of a TS standard, therefore, a playing effect of the player can not be influenced by adding of the data packet in the form of Null Packets, at the same time, in the TS standard, through adoption of the Null Packets, data of random lengths can be packaged, therefore, application of the TS processing method can not be limited by specific project requirements, and the data of random lengths can be packaged in the data packet in the form of Null Packets, so as to be provided for use of the artificial intelligence algorithm.

The invention discloses a teletext processing method and system, and a television. The method comprises the following steps: when it is detected that a teletext button of a remote controller is pressed during program playing on the television, judging whether teletext exists on the television or not; and if the teletext is detected on the television, controlling the display of a teletext interface on the right side of a television screen, wherein the teletext interface receives a user command to display a popup teletext configuration interface, the teletext configuration interface receives a user command to configure the teletext interface, the configured teletext interface is displayed in an area of the television screen, and a program currently played on the television is displayed in a preset small window in another area of the television screen. The method and system and the television provided by the invention have the advantages that when the user watches the program on the television, the teletext interface can be simultaneously displayed on the screen for configuration, and the television program playing is not affected, so that the user can view and configure the teletext conveniently.

The present invention relates to a device and a method which are used to detect the switching of television programs. The device includes a demodulator, a demultiplexer, a caption decoder, a user interface, a controller and a comparator, wherein, the demodulator receives television program signals, the demultiplexer separates caption signals from audio and video signals, the caption decoder decodes the caption signals and extract stable caption attribute information, the user interface is used for a user to specify a target program, the controller stores the stable caption attributes of the specified target program and activates the comparator to operate, and the comparator analyzes and compares the change of the stable caption attributes and exports prompt signals when the switching of programs is detected. The device of detecting the switching of television programs of the present invention can judge the change of programs by detecting the change of the stable caption attributes, so the device can detect not only the situation that one of two continuous programs has caption attributes, but also the situation that all of the two continuous programs have caption attributes.

The invention discloses a multimedia playing adjusting method and a system therefor, and is applicable to electronic devices which access multimedia files and are provided with output devices, and the multimedia playing adjusting method at least comprises the steps as follows: (a) the multimedia files are analyzed, thus obtaining a first resolution related to the multimedia files; (b) the first resolution of the multimedia files is compared with a preset second resolution of the output device, thus obtaining a third resolution that is suitable for outputting the multimedia files in the output device; (c) the second resolution of a display device is adjusted; and (d) the multimedia files are output from the output device.

The method for processing audio, video signals includes steps: first, separating audio and video signals; then, converting video signal to BMP file format to be played directly; operating audio signal by CPU, the method converts it to format needed for playing, sets up synchronous signals, and plays audio, video signals. BMP file format can played directly without need of CPU operation. Features are: not occupy and use of CPU resources, fast and smooth playing video signal, capable of processing 8-20 frames in audio, video files.

The invention relates to a video defogging method based on an FPGA. With the FPGA as a processing body, through detecting the maximum value and the minimum value of R, G and B values of each pixel in a current video image frame, a maximum value matrix and a minimum value matrix are obtained, the average value of all the minimum values in the minimum value matrix is calculated, and average filtering is performed on the minimum value matrix; according to an obtained average filtering matrix and the obtained average value, an atmospheric transmission ratio matrix is calculated; according to the maximum value matrix, the average filtering matrix and the current video image frame, the light component of atmosphere is calculated; when a next video image frame is received, RGB data of the current video image frame are read and converted into YUV spatial data; according to the atmospheric transmission ratio matrix, the light component of the atmosphere and a Y value in the YUV spatial data, a Y value in the defogged YUV spatial data is calculated, wherein the Y value and a U value and a V value in the YUV spatial data are combined to form the defogged YUV spatial data; the defogged YUV spatial data are converted into RGB data, and the RGB data after defogging the current video image frame are obtained.

The invention discloses an advertisement putting management method for paying a user, which comprises the following steps of: setting one side for putting advertisements as a service party, setting one side for watching the advertisements as a user party, performing identity recognition after the user party logs in, and displaying advertisement information put by the service party in an advertisement area in a rolling manner after the user party passes the recognition; according to the advertisement playing time, paying corresponding fees to the user side; and meanwhile, irregularly generatingan interaction area in the advertisement area, and enabling the user party to obtain corresponding additional fees through the interaction area. The invention further discloses an advertisement putting management system for paying the user. The advertisement putting management system comprises an advertisement storage module, an information collection module, an identity recognition module, an area display module, a cost supply module and an area generation module. According to the invention, through direct butt joint between the service party and the user party, payment is carried out to theuser party, the user is promoted to consume products, a benign circulation system is formed, the pertinence and the return ratio of advertisement putting are improved, and meanwhile, the intention ofthe user to watch advertisements is greatly improved.

The invention discloses a method for processing downstream media asset platform injection feedback. The method comprises a content provider (CP) which is used for providing media asset metadata; an IPTV broadcast control management system which is used for receiving and processing the media asset metadata and distributing the media asset metadata to each business party; and an SP media asset content management system which is used for receiving the media asset metadata distributed by the IPTV broadcast control management system, processing the media asset metadata according to a business process and carrying out feedback. According to the method, information can be fed back correctly and accurately, so an abnormity does not occur in the media asset data directly on different business association platforms, and the normal program playing provided to a terminal is not influenced; and through utilization of callback information, a specific cause to the abnormity can be provided, so related personnel can check a problem conveniently.

The invention proposes a multimedia playing method, a multimedia processing method and a device, wherein the multimedia playing method comprises: obtaining a targeted multimedia file, wherein the targeted multimedia file comprises a plurality of video frame sequences; repeatedly playing the first video frame sequence of the targeted multi-media file, wherein the first video frame sequence is any video frame sequence among the plurality of the video frame sequences; and when the switching of the currently played video frame sequence is determined, switching for the second video frame sequence for the repeated playing, wherein the second video frame sequence is a video frame sequence next to the first video frame sequence among the plurality of video frame sequences. With the multi-media playing method and compared with the storage of video frames corresponding every second in a multi-media playing interval in the prior art, the number of stored video frames in a multi-media file with the same playing duration can be reduced greatly under the condition of not compromising the multi-media playing effect.

The invention provides a channel recording method and device. The method comprises the following steps of: receiving TS stream data sent by a transcoding sub-system by each server; marking a system timestamp on the received TS stream data, and recording the current system time of the server, where the TS stream data is; analyzing the received TS stream data to obtain the PTS of a key frame; according to the recording length of a pre-set file section, determining the ending system time of a recorded target file section in the server; according to the current system time, the ending system time and the PTS of the key frame, calculating the ending PTS of the recorded target file section; and, according to the PTS of the key frame and the ending PTS of the recorded target file section, judging whether the recorded target file section is complete or not, and, when the recorded target file section is complete, ending recording of the target file section. By means of the method and the device, simultaneous recording of multiple servers can be realized; recorded contents can be consistent; a transit server is unnecessary; and thus, the hardware cost and the maintenance cost are reduced.