10c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 20c1bc742181ded4930842b46e9507372f0b1b963James Dong * 30c1bc742181ded4930842b46e9507372f0b1b963James Dong * File Name: omxVCM4P10_InterpolateChroma.c 40c1bc742181ded4930842b46e9507372f0b1b963James Dong * OpenMAX DL: v1.0.2 50c1bc742181ded4930842b46e9507372f0b1b963James Dong * Revision: 9641 60c1bc742181ded4930842b46e9507372f0b1b963James Dong * Date: Thursday, February 7, 2008 70c1bc742181ded4930842b46e9507372f0b1b963James Dong * 80c1bc742181ded4930842b46e9507372f0b1b963James Dong * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 90c1bc742181ded4930842b46e9507372f0b1b963James Dong * 100c1bc742181ded4930842b46e9507372f0b1b963James Dong * 110c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 120c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function will calculate 1/8 Pixel interpolation for Chroma Block 130c1bc742181ded4930842b46e9507372f0b1b963James Dong * 140c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 150c1bc742181ded4930842b46e9507372f0b1b963James Dong 160c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 170c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 180c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 190c1bc742181ded4930842b46e9507372f0b1b963James Dong 200c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armVC.h" 210c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 220c1bc742181ded4930842b46e9507372f0b1b963James Dong 230c1bc742181ded4930842b46e9507372f0b1b963James Dong 240c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 250c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P10_InterpolateChroma, 260c1bc742181ded4930842b46e9507372f0b1b963James Dong * 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * Performs 1/8-pixel interpolation for inter chroma MB. 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * 300c1bc742181ded4930842b46e9507372f0b1b963James Dong * Remarks: 310c1bc742181ded4930842b46e9507372f0b1b963James Dong * 320c1bc742181ded4930842b46e9507372f0b1b963James Dong * Parameters: 330c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] pSrc Pointer to the source reference frame buffer 340c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] srcStep Reference frame step in byte 350c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] dstStep Destination frame step in byte. Must be multiple of roi.width. 360c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] dx Fractional part of horizontal motion vector component 370c1bc742181ded4930842b46e9507372f0b1b963James Dong * in 1/8 pixel unit;valid in the range [0,7] 380c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] dy Fractional part of vertical motion vector component 390c1bc742181ded4930842b46e9507372f0b1b963James Dong * in 1/8 pixel unit;valid in the range [0,7] 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] roi Dimension of the interpolation region;the parameters roi.width and roi.height must 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * be equal to either 2, 4, or 8. 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * [out] pDst Pointer to the destination frame buffer. 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * if roi.width==2, 2-byte alignment required 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * if roi.width==4, 4-byte alignment required 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * if roi.width==8, 8-byte alignment required 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * If the function runs without error, it returns OMX_Sts_NoErr. 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * If one of the following cases occurs, the function returns OMX_Sts_BadArgErr: 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrc or pDst is NULL. 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcStep or dstStep < 8. 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * dx or dy is out of range [0-7]. 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width or roi.height is out of range {2,4,8}. 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width is equal to 2, but pDst is not 2-byte aligned. 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width is equal to 4, but pDst is not 4-byte aligned. 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width is equal to 8, but pDst is not 8 byte aligned. 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcStep or dstStep is not a multiple of 8. 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * 590c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 600c1bc742181ded4930842b46e9507372f0b1b963James Dong 610c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_InterpolateChroma ( 620c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrc, 630c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 srcStep, 640c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U8* pDst, 650c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 dstStep, 660c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 dx, 670c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 dy, 680c1bc742181ded4930842b46e9507372f0b1b963James Dong OMXSize roi 690c1bc742181ded4930842b46e9507372f0b1b963James Dong ) 700c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 710c1bc742181ded4930842b46e9507372f0b1b963James Dong return armVCM4P10_Interpolate_Chroma 720c1bc742181ded4930842b46e9507372f0b1b963James Dong ((OMX_U8*)pSrc, srcStep, pDst, dstStep, roi.width, roi.height, dx, dy); 730c1bc742181ded4930842b46e9507372f0b1b963James Dong} 740c1bc742181ded4930842b46e9507372f0b1b963James Dong 750c1bc742181ded4930842b46e9507372f0b1b963James Dong 760c1bc742181ded4930842b46e9507372f0b1b963James Dong/***************************************************************************** 770c1bc742181ded4930842b46e9507372f0b1b963James Dong * END OF FILE 780c1bc742181ded4930842b46e9507372f0b1b963James Dong *****************************************************************************/ 790c1bc742181ded4930842b46e9507372f0b1b963James Dong 80