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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/m4p10/src/armVCM4P10_SADQuar.c')
-rw-r--r-- | media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/m4p10/src/armVCM4P10_SADQuar.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/m4p10/src/armVCM4P10_SADQuar.c b/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/m4p10/src/armVCM4P10_SADQuar.c new file mode 100644 index 0000000..a41e04b --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/m4p10/src/armVCM4P10_SADQuar.c @@ -0,0 +1,84 @@ +/** + * + * File Name: armVCM4P10_SADQuar.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 SAD of pSrc with average of two Ref blocks + * + */ + +#include "omxtypes.h" +#include "armOMX.h" + +#include "armVC.h" +#include "armCOMM.h" + +/** + * Function: armVCM4P10_SADQuar + * + * Description: + * This function calculates the SAD between one block (pSrc) and the + * average of the other two (pSrcRef0 and pSrcRef1) + * + * Remarks: + * + * [in] pSrc Pointer to the original block + * [in] pSrcRef0 Pointer to reference block 0 + * [in] pSrcRef1 Pointer to reference block 1 + * [in] iSrcStep Step of the original block buffer + * [in] iRefStep0 Step of reference block 0 + * [in] iRefStep1 Step of reference block 1 + * [in] iHeight Height of the block + * [in] iWidth Width of the block + * [out] pDstSAD Pointer of result SAD + * + * Return Value: + * Standard OMXResult value. + * + */ +OMXResult armVCM4P10_SADQuar( + const OMX_U8* pSrc, + const OMX_U8* pSrcRef0, + const OMX_U8* pSrcRef1, + OMX_U32 iSrcStep, + OMX_U32 iRefStep0, + OMX_U32 iRefStep1, + OMX_U32* pDstSAD, + OMX_U32 iHeight, + OMX_U32 iWidth +) +{ + OMX_INT x, y; + OMX_S32 SAD = 0; + + /* check for argument error */ + armRetArgErrIf(pSrc == NULL, OMX_Sts_BadArgErr) + armRetArgErrIf(pSrcRef0 == NULL, OMX_Sts_BadArgErr) + armRetArgErrIf(pSrcRef1 == NULL, OMX_Sts_BadArgErr) + armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr) + + for (y = 0; y < iHeight; y++) + { + for (x = 0; x < iWidth; x++) + { + SAD += armAbs(pSrc [y * iSrcStep + x] - (( + pSrcRef0 [y * iRefStep0 + x] + + pSrcRef1 [y * iRefStep1 + x] + 1) >> 1)); + } + } + + *pDstSAD = SAD; + + return OMX_Sts_NoErr; +} + +/***************************************************************************** + * END OF FILE + *****************************************************************************/ + |