录屏与截屏

vokoscreen-NG(Vokoscreen New Generation)上手简单，功能丰富。代码在这里github vokoscreen。

debian安装：

[yanyg@t440{192.168.1.110} ~/bin ] <2020-11-14 13:18:51>
$ sudo apt-get install vokoscreen-ng

vokoscreen快捷键是硬编码在代码中的 code QvkGlobalShortCut.cpp :

flameshot截屏很方便，支持打马赛克，写入文字等。

~$ sudo apt-get install flameshot

Debian buster 默认使用Wayland。Vokoscreen不支持Wayland, 需要切回Xorg，修改 /etc/gdm3/daemon.conf 设置 WaylandEnable=false。

# GDM configuration storage
#
# See /usr/share/gdm/gdm.schemas for a list of available options.

[daemon]
# Uncomment the line below to force the login screen to use Xorg
WaylandEnable=false

Wayland is a communication protocol that specifies the communication between a display server and its clients. A display server using the Wayland protocol is called a Wayland compositor, because it additionally performs the task of a compositing window manager.

现在屏幕分辨率都比较高，生成视频占用空间大，可以用 ffmpeg 进行任意调整。

例如，将 1600x900 录屏文件调整为 640x480:

~$ ffmpeg -i vokoscreen.orig.mp4 -vf scale=640:360 -hide_banner vokoscreen.mp4