Be sure to review the Speed Demos Archive forum for "How to bypass HDCP for use with Blackmagic Intensity (PS3 owners, read here!)". Best to read backward from the latest page (15). Their reports echo Amazon's on apparent production changes.

Coincidentally, someone there just bought a splitter, for use with his PS3, from an eBay seller and it works ... except on one 3rd-party software:
https://forum.speeddemosarchive.com/post/how_to_bypass_hdcp_for_use_with_blackmagic_intensity_ps3_owners_read_here_352.html

It's cost is low and might be worth a test. (Let us know how you fare.)