]> granicus.if.org Git - libvpx/commit
Replace DST1 in ext_tx experiment with DST2
authorDebargha Mukherjee <debargha@google.com>
Tue, 15 Dec 2015 05:42:23 +0000 (21:42 -0800)
committerDebargha Mukherjee <debargha@google.com>
Tue, 15 Dec 2015 19:30:48 +0000 (11:30 -0800)
commit49d9730f6099a5c857e9a6dd918b8185d42ae920
tree72ac3c08664094b86b93a8e06726fe81d1715e7f
parent30ee689da32210dffed027828d8f6fe2a73cbb35
Replace DST1 in ext_tx experiment with DST2

The DST2 is implemented by input alternate sign-flip, followed
by DCT, followed by output reversal.
Results are roughly the same, but it should be easier to optimize
the DST2.
[Interestingly a mtrix multuiply implementation is about 0.1%
better].

Change-Id: If9ae5fdba87767fb0e6c163a62b77ee66a8d3afc
vp10/common/enums.h
vp10/common/idct.c
vp10/encoder/dct.c