I am now introducing a simple way to download video from Youtube by conkeror and an extra terminal program name cclive. This program take role to catch the link of youtube video and download it to assigned directory. In addition, you can choose type of video to download, of course, it also depends on the source.However, I am not going to further to that point.
What you need is: cclive, conkeror-spawn-helper
Firstly, you need to install cclive. if you are using Fedora, you can install it by this simple command on the terminal.
Then, you open your conkeror file init.js, and append it with the following lines
You can active these functions by M-x download-video-2-download, M-x download-video-2-music or assign these function to hot keys, for example: