Streaming Video quality resolution and "only audio " mode

[trimechee]

Hello, in settings, i see an empty box in "website settings quality choice", sometimes our internet connection becomes weak and it is important to be able to choose standard streaming video quality instead of high quality for a smooth playback without jerks, also it will be great to add an "audio only" mode if we just whish to listen to the audio of the youtube video which has a lot of dash audio streams, so we can save data and battery and so and your computer's fan is no longer noisy and the computer screen turns off when we go to sleep and we just wanting to listen to the audio of the tv shows !

Thank you so much !

EDIT : i can play video from ok.ru when i change engine from lux to yt-dlp, so it will be amazing if Moonplayer can change automatically the engine from lux to yt-dlp or other engines whener the player can't play the streaming video, from exemple a pop-up window appears informing the user that there is a change of engine or a pop-up asking the user if he wants to change the engine :)