The invention discloses a screen sharing apparatus and method. The apparatus comprises: a specifying module used for specifying a target receiving terminal for at least one application when at least two applications are operating in a sending terminal; and a sending module used for sending an operation interface of the application to the target receiving terminal of the application. Therefore, the sending terminal can send the operation interface of the application to the specified target receiving terminal to realize the directional sharing of screen images, and the application without the specified target receiving terminal does not participate in the screen sharing, thereby realizing the selective sharing of the screen images, and greatly improving the screen sharing flexibility. By adoption of the screen sharing method provided by the embodiment of the invention, on one hand, a user of the sending terminal can share different screen images with different receiving terminals at the same time, and on the other hand, the user of the sending terminal can select one or at least two applications that do not participate in the screen sharing, so that the user can perform other operations on the applications that do not participate in the screen sharing in a screen sharing process.

Screen sharing apparatus and method

The invention discloses an automatic adjustment method for a large-screen multi-path plug flow code rate. Synchronization of a screenshot and a plug flow of each plug flow sub-thread is controlled ina main thread; the condition that the terminal receives a same data frame when receiving the multiple plug flows is ensured; firstly, before the plug flow, a large screen initializes the threads of the multiple plug flows, and each thread manages a one-path plug flow interface; each plug flow thread is responsible for acquiring an image frame of the corresponding area of the large screen, and judges the differences between the image frame and the previous picture frame; if the change is relatively large, coding with a high code rate is performed and pushed to the terminal; if no change occurs,discarding the plug flow frame; if the change is relatively small, coding with a low code rate is performed and pushed to the terminal. According to the method provided by the invention, the large screen is cut into multiple areas to perform multi-video plug flow; the plug flow in high code rate and high frame rate manners is performed on the area with frequent activities; the frame rate and thecode rate of the plug flow in the area that acts unusually are reduced; therefore, the plug flow of the whole large screen achieves a clear and smooth effect.

Automatic adjustment method for large-screen multi-path plug flow code rate

The invention discloses a multi-screen content transmission and control system. The transmission and control system comprises a window content synthesis subsystem, a layout synthesis subsystem, a window scheduling subsystem and a window interaction control subsystem, the layout synthesis subsystem receives a certain amount of to-be-displayed windows sent by the window content synthesis subsystem,and limits a window scaling range according to the number of displayable screens, each screen size parameter, each to-be-displayed window size parameter and the minimum allowable resolution corresponding to the window image; adjusting is performed to obtain a final window layout by taking the non-overlapping effect value of the window, the complete display of the window in the screen and the maximum utilization rate of the screen as constraint conditions; and the window interaction control subsystem is used for performing interaction control on windows displayed on different screens by operating the main screen. The window layout can be scheduled and managed based on the content of the window, and synthesis can be performed based on the original size of the content of the window, so that better picture quality is obtained.

Multi-screen content transmission and control system

The invention provides a screen sharing method and a screen sharing device, which relate to the field of multimedia communication, and solve the problems of high requirement on processors and low utilization rate of bandwidth of the existing screen sharing method. The screen sharing method comprises the steps that: sender equipment divides a screen into a plurality of regions; and the sender equipment respectively codes display data of the regions obtained through division. The screen sharing method and the screen sharing device provided by the invention are suitable for screen sharing data processing, and achieve efficient screen sharing.

Screen sharing method and device

A screen sharing method and apparatus, which relate to the field of multimedia communications. The method comprises: dividing, by a sender device, a screen into multiple areas; and respectively encoding, by the sender device, display data of the areas obtained through division.

Screen sharing method and apparatus

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Screen sharing method and device

Screen sharing method and apparatus