Yunqing Wang f88315cb29 Add 32x32 idct function for eob<=34 case
When only upper-left 8x8 area has non-zero dct coefficients, we
could skip 1D IDCT for 9th to 32th rows to save operations. This
function is called when eob <= 34.

Change-Id: I9684b75947bdde346cfe3720f08a953aa7a13fb5
2013-10-24 16:13:21 -07:00
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