The Philippine Star (PhilStar) has let its readers watch the PBA Season 36 Governors' Cup on July 29, 2011 via online live stream. The video feeds are actually coming from Studio 23 and when it's time for a commercial break, Philstar shows the schedule of their live stream instead.
Yes, the Alaska vs Barangay Ginebra game later will also be broadcast via the Philstar livestream and as well as the rest of the games in the 36th Season (Governors' Cup).
Check out the said PBA live stream here: http://www.philstar.com/pbalive.aspx.