This extends the denoiser to work for temporally scalable coding. I believe this also fixes a very rare but really bad bug in the original implementation. Change-Id: I8b3593a8c54b86eb76f785af1970935f7d56262a
Faster version of denoiser, cut cost by 1.7x for C path, by 3.3x for SSE2 path. Change-Id: I154786308550763bc0e3497e5fa5bfd1ce651beb
Some refactoring in rdopt.c and pickinter.c. Change-Id: I4f50020eb3313c37f4d441d708fedcaf219d3038