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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/m4p10/src/omxVCM4P10_InterpolateChroma.c')
-rw-r--r-- | media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/m4p10/src/omxVCM4P10_InterpolateChroma.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/m4p10/src/omxVCM4P10_InterpolateChroma.c b/media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/m4p10/src/omxVCM4P10_InterpolateChroma.c new file mode 100644 index 0000000..de835bd --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/omxdl/arm11/vc/m4p10/src/omxVCM4P10_InterpolateChroma.c @@ -0,0 +1,79 @@ +/** + * + * File Name: omxVCM4P10_InterpolateChroma.c + * OpenMAX DL: v1.0.2 + * Revision: 9641 + * Date: Thursday, February 7, 2008 + * + * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. + * + * + * 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 + *****************************************************************************/ + |