QmPlay2 is a nice video player for Linux. It comes with many nice features. As a video player, qmplay2 also can be used to download YouTube videos, play internet radio and off course play your favorite video files. Qmplay2 supports most popular video formats such as flv, mpg, avi, wmv etc. It has a simple user interface.
Additionally, Qmplay2 also equipped with equalizer which you can play with to get better sound quality and sound effects.
As a YouTube video player
YouTube video download directly from Qmplay2
Unfortunately, we cannot pause the YouTube video downloading process. I hope this feature will be enabled on the next version. But overall, Qmplay2 is a highly recommended video player for Linux.