NOTE::: p_RS should NOT be modified and it will lead to mismatch with JSVM. so should allocate kA array to store the temporary value (idct).

Init members

Init members

the return value of this function is not suitable, it need report failure info to upper layer.

the return value of this function is not suitable, it need report failure info to upper layer.

! * \brief initialize source picture body * \param pSrc SSourcePicture* * \param csp internal csp format * \param iWidth

Merge from Heifei's Wonder. Lock process to a single core

////////////////luma MC//////////////////////////

vertical filter to gain half sample, that is (0, 2) location in quarter sample