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(parent: 2ae93a7) | patch
All zero coeff skip in IDCT 32x32
authorJingning Han <jingning@google.com>
Tue, 8 Oct 2013 16:06:08 +0000 (09:06 -0700)
committerJingning Han <jingning@google.com>
Tue, 8 Oct 2013 18:47:29 +0000 (11:47 -0700)
commit6594ca8897ea0293d44b825f7c7fe81a7eb540a4
treeec6564f3a2e437c55476a2ccd6ca0212900e9025tree | snapshot
parent2ae93a776b4b5ba864363a7de36f3e4b6aa99eabcommit | diff
All zero coeff skip in IDCT 32x32

When all coefficients are zeros, skip the corresponding 1-D inverse
transform. This practice has been used in the SSE2 implementation of
inverse 32x32 DCT. This commit imports this algorithm into the C code.

Change-Id: I0f58bfcb183a569fab85d524d5d9cf8ae8653f86
vp9/common/vp9_idct.c diff | blob | history
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