Posting youtube videos on facebook is copyright infringement?

At a seminar on the current status and solutions to protect
digital content copyright held by the Department of Broadcasting
and Electronic Information (Ministry of Information and
Communications), content providers in Vietnam affirmed that the
network Social media, such as YouTube, Facebook, is the
environment with the most piracy. For example, Facebook is
exploited to livestream football, or share links to pirated movie
websites; YouTube uploads pirated content or illegally
livestreams TV shows. So Posting youtube videos on facebook
is copyright infringement? The following article of ACC
hopes to bring more detailed and specific information to readers.