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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/omxVCCOMM_SAD_8x.c')
-rw-r--r-- | media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/omxVCCOMM_SAD_8x.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/omxVCCOMM_SAD_8x.c b/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/omxVCCOMM_SAD_8x.c new file mode 100644 index 0000000..1421d99 --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/omxVCCOMM_SAD_8x.c @@ -0,0 +1,80 @@ +/** + * + * File Name: omxVCCOMM_SAD_8x.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 for 8x16, 8x8, 8x4 blocks + * + */ + +#include "omxtypes.h" +#include "armOMX.h" +#include "omxVC.h" + +#include "armVC.h" +#include "armCOMM.h" + +/** + * Function: omxVCCOMM_SAD_8x (6.1.4.1.5) + * + * Description: + * This function calculates the SAD for 8x16, 8x8, 8x4 blocks. + * + * Input Arguments: + * + * pSrcOrg - Pointer to the original block; must be aligned on a 8-byte + * boundary. + * iStepOrg - Step of the original block buffer + * pSrcRef - Pointer to the reference block + * iStepRef - Step of the reference block buffer + * iHeight - Height of the block + * + * Output Arguments: + * + * pDstSAD -Pointer of result SAD + * + * Return Value: + * + * OMX_Sts_NoErr - no error + * OMX_Sts_BadArgErr - bad arguments. Returned if one or more of the + * following conditions is true: + * - at least one of the following pointers is NULL: + * pSrcOrg, pDstSAD, or pSrcRef + * - pSrcOrg is not 8-byte aligned. + * - iStepOrg <= 0 or iStepOrg is not a multiple of 8 + * - iStepRef <= 0 or iStepRef is not a multiple of 8 + * - iHeight is not 4, 8 or 16 + * + */ +OMXResult omxVCCOMM_SAD_8x( + const OMX_U8* pSrcOrg, + OMX_U32 iStepOrg, + const OMX_U8* pSrcRef, + OMX_U32 iStepRef, + OMX_S32* pDstSAD, + OMX_U32 iHeight +) +{ + /* check for argument error */ + armRetArgErrIf(pSrcOrg == NULL, OMX_Sts_BadArgErr) + armRetArgErrIf(pSrcRef == NULL, OMX_Sts_BadArgErr) + armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr) + armRetArgErrIf((iHeight != 16) && (iHeight != 8) && (iHeight != 4), OMX_Sts_BadArgErr) + armRetArgErrIf(armNot8ByteAligned(pSrcOrg), OMX_Sts_BadArgErr) + armRetArgErrIf((iStepOrg == 0) || (iStepOrg & 7), OMX_Sts_BadArgErr) + armRetArgErrIf((iStepRef == 0) || (iStepRef & 7), OMX_Sts_BadArgErr) + + return armVCCOMM_SAD + (pSrcOrg, iStepOrg, pSrcRef, iStepRef, pDstSAD, iHeight, 8); +} + +/***************************************************************************** + * END OF FILE + *****************************************************************************/ + |