1 files changed, 75 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/armVCCOMM_SAD.c b/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/armVCCOMM_SAD.c
new file mode 100644
index 0000000..d41ac9a
--- /dev/null
+++ b/media/libstagefright/codecs/on2/h264dec/omxdl/reference/vc/comm/src/armVCCOMM_SAD.c
@@ -0,0 +1,75 @@
+/**
+ * 
+ * File Name:  armVCCOMM_SAD.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 NxM blocks
+ * 
+ */
+
+#include "omxtypes.h"
+#include "armOMX.h"
+#include "omxVC.h"
+
+#include "armCOMM.h"
+
+/**
+ * Function: armVCCOMM_SAD
+ *
+ * Description:
+ * This function calculate the SAD for NxM blocks.
+ *
+ * Remarks:
+ *
+ * [in]		pSrcOrg		Pointer to the original block
+ * [in]		iStepOrg	Step of the original block buffer
+ * [in]		pSrcRef		Pointer to the reference block
+ * [in]		iStepRef	Step of the reference block buffer
+ * [in]		iHeight		Height of the block
+ * [in]		iWidth		Width of the block
+ * [out]	pDstSAD		Pointer of result SAD
+ *
+ * Return Value:
+ * Standard OMXResult value.
+ *
+ */
+OMXResult armVCCOMM_SAD(	
+	const OMX_U8* 	pSrcOrg,
+	OMX_U32 	iStepOrg,
+	const OMX_U8* 	pSrcRef,
+	OMX_U32 	iStepRef,
+	OMX_S32*	pDstSAD,
+	OMX_U32		iHeight,
+	OMX_U32		iWidth
+)
+{
+    OMX_INT     x, y;
+    
+    /* check for argument error */
+    armRetArgErrIf(pSrcOrg == NULL, OMX_Sts_BadArgErr)
+    armRetArgErrIf(pSrcRef == NULL, OMX_Sts_BadArgErr)
+    armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr)
+    
+    *pDstSAD = 0;
+    for (y = 0; y < iHeight; y++)
+    {
+        for (x = 0; x < iWidth; x++)
+        {
+            *pDstSAD += armAbs(pSrcOrg [(y * iStepOrg) + x] - 
+                       pSrcRef [(y * iStepRef) + x]);
+        }
+    }
+    
+    return OMX_Sts_NoErr;
+}
+
+/*****************************************************************************
+ *                              END OF FILE
+ *****************************************************************************/
+