Evaluate four partial sums of absolute differences, 16x16 block
SSE2
| FwStatus | fwiSAD16x16Blocks8x8_8u16u | ( | const Fw8u * pSrc, Fw32s srcStep, Fw8u * pRef, Fw32s refStep, Fw16u * pDstSAD, Fw32s mcType ); |
| mcType | Specifies the type of prediction used for motion compensation. | |
| pDstSAD | Pointer to a destination array of size 4 that stores SAD values. | |
| pRef | Pointer to a prefetch buffer which contains previously decoded bits. | |
| pSrc | Pointer to a block of DCT coefficients. | |
| refStep | Reference block step size (width of the block in bytes). | |
| srcStep | Source buffer step size (width of the buffer in bytes). |
This function evaluates four partial sums of absolute differences between a 16X16 source block divided into four 8X8 blocks of elements and a 16X16 reference block divided into four corresponding 8X8 blocks of elements. The four results are written to a four-element array pointed to by pDstSAD.