For all you YouTube users out there who are known to record direct footage from video game consoles, that Share button on the DualShock 4 controller will be utterly useless to you.
A “reliable source” informed Machinima that the Share button on the DualShock 4 cannot be used for uploads to YouTube. This conflicts with lead system architect Mark Cerny’s comments on Late Night with Jimmy Fallon, where he stated that the Share button could be used for uploads to YouTube
For potential PS4 owners who upload gameplay footage to YouTube, this could be a huge bummer. We have reached out to Sony for official comment, though this rumor definitely aligns with the rumor that you can’t capture direct audio and video footage through the PS4′s HDMI port.