[rbp] Initial hacking aimed at getting hw accelerated resampling working

Not complete!
Revert "[rbp] Initial hacking aimed at getting hw accelerated resampling working"

This reverts commit 7e48ce51dc338b967a38504eb24815f1843efb5f.
squash to fast channel change
Revert "squash to fast channel change"

This reverts commit 539a35957b7d51868c9df4517a04ef35a9eb7e86.
[omxplayer] squash cache reporting