After finishing Multimedia player function, I bring forward the scheme in control of video signal switch through GPIO pins in EP9315.

基本实现了多媒体模块的视频播放功能，在此基础上提出了通过EP9315上的GPIO口控制混合电路模块的视频信号切换功能方案。

youdao

A KVM (keyboard, video, mouse) switch is a hardware device that allows a user to control multiple compute from a single keyboard, video display monitor and mouse.

KVM(键盘、视频、鼠标)开关是一个硬件设备，允许用户控制多个计算从一个键盘，视频显示屏和鼠标。

youdao

Keyboard, video, mouse switch. it is a hardware device that enables a single keyboard, video monitor and mouse to control more than one computer one at a time.

键盘、视频、鼠标转换器。允许单个键盘，视频监视器和鼠标同时控制多台电脑的硬体设备。

youdao