This package was found to have dev-libs/boost in RDEPEND, but doesn't install either any binary that links against boost libs nor any files that include boost headers. That means it uses boost header-only libraries at compile time only. The tracker bug contains the emerge --info of the test system.
Fixed vdr-live-0.2.0 and vdr-burn-0.1.0_pre22_p1. Thanks for reporting.