41results about How to "Guaranteed smooth playback" patented technology

The embodiment of the invention provides a playing control method and device, and relates to the technical field of media playing. The playing control method comprises the following steps: when a player is adopted to play media data of a network source, obtaining an updating condition of a working state of the player; and dynamically adjusting the playing starting threshold of the player accordingto the updating condition of the working state of the player. By means of the playing control method and device, the playing starting threshold value of the player can be adaptively and dynamically adjusted, and the playing experience is improved.

The present invention is applicable to the field of picture playback, and provides a picture preloading method and device. When a picture player or an audio and video player plays pictures, it triggers the acquisition of pictures that need to be preloaded; it is judged whether the resolution of the pictures exceeds the preset resolution threshold; if the resolution of the picture exceeds the resolution threshold, the compression factor is calculated according to the picture compression algorithm; the picture is compressed according to the compression factor, and the compressed picture is preloaded; thereby effectively preventing OOM is eliminated, which ensures the smooth playback of pictures and is more user-friendly.

The invention discloses a method and a system for live broadcast of peer-to-peer (P2P) streaming media. The method comprises the following steps that: the state of a data buffer zone of a live streaming media is monitored; when a data safe zone is not fully filled by the data of the data buffer zone, a client node preferably requests the corresponding live broadcast streaming media data to a compensation server; and when the data safe zone is fully filled by the data of the data buffer zone, the client node requests the corresponding live broadcast streaming media data to an upper node according to a mark of the upper node. In the method and the system, the user node selects the nodes with good network transmission attribute according to a node marking strategy to form a node queue so as to meet a data transmission requirement under a high-definition code stream condition; and through a compensation strategy of the safe zone, safety precaution of data buffering capacity is realized, data intelligent functionalized compensation is actualized and P2P high-definition streaming media live broadcast smooth play is realized.

Embodiments of the present invention provide a method and device for controlling video service transmission, which can improve user experience. The method includes: the network side device determines the terminal state information of the video service played by the user equipment, and the terminal state information includes at least the following information One: the playback status of the video service, the cache status of the video service, and the playback reporting event that the video service satisfies; according to the terminal status information, control the transmission of the video service and determine through the network side equipment that the video service accessed by the user equipment has The terminal status information of the transmitted video service in the user equipment, and according to the terminal status information, the user equipment is controlled to transmit the video service that needs to be transmitted in the video service, which can make full use of the characteristics of the video service and dynamically adjust in real time. A policy for the user equipment to access the video service. In this way, the smooth playback of the video service is ensured to the greatest extent, and the user experience of the video service is improved.

This application provides a VR image transmission method, the steps are: after the VR computer sends the first plane image of the movie to the VR helmet, the VR computer obtains the first visible area that the wearer of the VR helmet can see on the first plane image ; Set the second visible area including the first visible area, record the second position of the second visible area on the first plane image, and set the area outside the second visible area in the first plane image as Background area; set the edge of the second visible area as the first edge, and the edge of the high-definition area as the second edge, then the image is set to be gradually blurred from the second edge to the first edge; the first plane image is placed in its image Compression is performed under the condition that the size remains unchanged to obtain a first compressed image; the image in the second visible area is overlaid on the first compressed image at a second position, and combined to form a second composite image. This application makes the picture of the film more optimized, and improves the viewing experience of the user.

Embodiments of the present invention provide a download control method, device, multimedia terminal, and computer storage medium. During the process of downloading a slice source of the current code rate, a real-time download rate is obtained; the download rate is from the slice source. The average download rate during the period of downloading to the current moment; compare the download rate with the download rate limit threshold corresponding to the current code rate, the download rate limit threshold is greater than the smooth playback rate of the fragment source, and the smooth playback rate is The minimum download rate for smoothly playing the fragment source; when the comparison result is greater than the download rate limit threshold, the download is suspended until the download rate is less than or equal to the download rate limit threshold and the download is restarted; through the set download rate limit Speed ​​threshold, which can well limit the download rate of the terminal to download the fragment source. The download rate is not too high, but is close to or equal to the download rate threshold, so as to solve the problem of excessive occupation of broadband resources.

The invention provides a vast-scale buffering policy-based audio / video code stream control method. On the basis of vast-scale buffering data capacity of Internet audio / video transmission and application and other links, stream control parameters are artificially set; a coding system automatically and dynamically regulates code parameters to ensure that an audio / video code stream does not exceed a buffering upper limit of a given and specific transmission bandwidth at any time range, so that smooth and high-quality audio / video files can be displayed under a condition of finite transmission bandwidth. According to the characteristics of the transmission and displaying of an Internet audio / video stream, the method can prevent immanent problems of CBR and VBR stream control, can overcome a defect of ABR stream control that control mechanism is unmatched with the buffering policy, and can eliminate factors affecting code quality in VBV and HRD modes, i.e. undersize stream control particle size, strict overflow control and the like.

The invention is for uses to realize playing back individualized audio / video files stored. The method includes following steps: (1) using an access server of network hard disk to receive information for requesting playing audio / video files from client end; (2) using the access server of network hard disk to obtain the user information corresponding to the client end from a user data server; based on the user information, copying the audio / video files requested to play from a storage server of network hard disk to a HTTP server; and a file of play list including URL addresses is created on the HTTP server; (3) transferring the file of play list to client end, and calling media player at client end to play audio / video files listed in the list. The invention also discloses network system for implementing online playing audio / video files.

The invention relates to the field of computer process interaction, and discloses a cross-process interaction method and related terminal equipment. Wherein, the method includes: the first process creates a cross-process interactive connection with the second process; the first process receives the data object and encapsulates the data object as a data operation object; the second process sends the acquired data object to the first process The request for the data operation object; and the first process generates a corresponding data operation object set according to the above request and sends the data object set to the second process. The implementation of the present invention can realize cross-process interaction between network data and information graphics, so that the computer system can smoothly and quickly draw and process user operations when faced with a large amount of data changing operations.