Added sound support for gnome shell screen recordings

You can use the following command to enable gnome-shell to support audio recording: www.2cto.com gsettings set org. GNOME. Shell. recorder pipeline 'webmmux name = mux videorate! Vp8enc quality = 10 speed = 2 threads = % T! Queue! Mux. video_0 pulsesrc! Audioconvert! Audiorate! Vorbisenc! Queue! Mux. audio_0 'is used to modify the parameters of GNOME-Shell when using GStreamer for video recording, let the recorded video record audio and mix it into the media file at the same time, if the sound you intend to record is from the microphone, it is true. However, if you want to record the sound card output, you need to find another method. First install: pavucontrol and then start it with pavucontrol on the terminal. Open the Recording tab and you can see all the programs that are Recording. At this time, enable the screen Recording of GNOME-Shell, and you can see a newly added program on the Recording tab (you must enable the video www.2cto.com function before you can see it). The name is GNOME Shell, there is a button on the right of it. The default value is Internal Audio. Click it and a menu will appear. Select Monitor of Internal Audio. This setting takes effect until GNOME-Shell exits (such as restarting.