Commits
Yaowu Xu committed b22cc559b6f
Changed to use integer 8x8 dct The commit added an integer version of 8x8 forward DCT, based on the orginal forward DCT from VP6. The constants, roundings, and shifts were adjusted to improve the accuracy. The latest patch has a very similar accuracy in term of round trip error against the floating point version. It should be noted here that the purpose of the patch is to help encoding speed and facilitate all other experiments. There will be futher review in combination with inverse DCT before finalization. configure with "--enable--int_8x8fdct" to use the integer version Change-Id: I5a4f80507429f0e07cf02a13768ec81cbfddc5bc