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/*
* Copyright (C) 2007-2008 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/**
*
* File Name: omxVCM4P10_InterpolateChroma.c
* OpenMAX DL: v1.0.2
* Revision: 9641
* Date: Thursday, February 7, 2008
*
*
*
* Description:
* This function will calculate 1/8 Pixel interpolation for Chroma Block
*
*/
#include "omxtypes.h"
#include "armOMX.h"
#include "omxVC.h"
#include "armVC.h"
#include "armCOMM.h"
/**
* Function: omxVCM4P10_InterpolateChroma,
*
* Description:
* Performs 1/8-pixel interpolation for inter chroma MB.
*
* Remarks:
*
* Parameters:
* [in] pSrc Pointer to the source reference frame buffer
* [in] srcStep Reference frame step in byte
* [in] dstStep Destination frame step in byte. Must be multiple of roi.width.
* [in] dx Fractional part of horizontal motion vector component
* in 1/8 pixel unit;valid in the range [0,7]
* [in] dy Fractional part of vertical motion vector component
* in 1/8 pixel unit;valid in the range [0,7]
* [in] roi Dimension of the interpolation region;the parameters roi.width and roi.height must
* be equal to either 2, 4, or 8.
* [out] pDst Pointer to the destination frame buffer.
* if roi.width==2, 2-byte alignment required
* if roi.width==4, 4-byte alignment required
* if roi.width==8, 8-byte alignment required
*
* Return Value:
* If the function runs without error, it returns OMX_Sts_NoErr.
* If one of the following cases occurs, the function returns OMX_Sts_BadArgErr:
* pSrc or pDst is NULL.
* srcStep or dstStep < 8.
* dx or dy is out of range [0-7].
* roi.width or roi.height is out of range {2,4,8}.
* roi.width is equal to 2, but pDst is not 2-byte aligned.
* roi.width is equal to 4, but pDst is not 4-byte aligned.
* roi.width is equal to 8, but pDst is not 8 byte aligned.
* srcStep or dstStep is not a multiple of 8.
*
*/
OMXResult omxVCM4P10_InterpolateChroma (
const OMX_U8* pSrc,
OMX_S32 srcStep,
OMX_U8* pDst,
OMX_S32 dstStep,
OMX_S32 dx,
OMX_S32 dy,
OMXSize roi
)
{
return armVCM4P10_Interpolate_Chroma
((OMX_U8*)pSrc, srcStep, pDst, dstStep, roi.width, roi.height, dx, dy);
}
/*****************************************************************************
* END OF FILE
*****************************************************************************/
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