| commit | d4cdb683a48fc25bd3d32f53964023828f13cdbf | [log] [tgz] |
|---|---|---|
| author | Jim Bankoski <jimbankoski@google.com> | Mon Mar 28 16:39:05 2011 -0700 |
| committer | Yaowu Xu <yaowu@google.com> | Thu Apr 07 14:25:25 2011 -0700 |
| tree | c1478eaf050bb4c3cfaf6a72de6a64aacdabc4c7 | |
| parent | 4be062bbc3466cfd542a7485f5a2a8eadac4f24e [diff] |
fixed an overflow in ssim calculation This commit fixed an overflow in ssim calculation, added register save and restore to make sure assembly code working for x64 platform. It also changed the sampling points to every 4x4 instead of 8x8 and adjusted the constants in SSIM calculation to match the scale of previous VPXSSIM. Change-Id: Ia4dbb8c69eac55812f4662c88ab4653b6720537b