• Yunqing Wang's avatar
    Optimize 8x8 idct function · 6344c84c
    Yunqing Wang authored
    Wrote sse2 functions of vp9_short_idct8x8 and vp9_short_idct10_8x8.
    Compared to c version, the sse2 version is 2X faster. The decoder
    test didn't show noticeable gain since 8x8 idct doesn't take much
    of decoding time (less than 1% in my test).
    Change-Id: I56313e18cd481700b3b52c4eda5ca204ca6365f3