[x265] [PATCH] TShortYuv : Performance Primitives for Luma and Chroma Subtracting

gopu at multicorewareinc.com gopu at multicorewareinc.com
Tue Jul 16 14:10:18 CEST 2013


# HG changeset patch
# User ggopu
# Date 1373976605 -19800
# Node ID be5257d512becc658a3c0f1d7a0a7defd0c911af
# Parent  c9bb72e8cb8effc0d1d0e99f0b9abc8d341c652a
TShortYuv : Performance Primitives for Luma and Chroma Subtracting

diff -r c9bb72e8cb8e -r be5257d512be source/common/TShortYUV.cpp
--- a/source/common/TShortYUV.cpp	Mon Jul 15 23:41:11 2013 -0500
+++ b/source/common/TShortYUV.cpp	Tue Jul 16 17:40:05 2013 +0530
@@ -30,6 +30,8 @@
 #include "TShortYUV.h"
 #include "TLibCommon/TComYuv.h"
 
+using namespace x265;
+
 TShortYUV::TShortYUV()
 {
     YBuf = NULL;
@@ -76,61 +78,37 @@
     subtractChroma(pcYuvSrc0, pcYuvSrc1,  uiTrUnitIdx, uiPartSize >> 1);
 }
 
-void TShortYUV::subtractLuma(TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, unsigned int uiTrUnitIdx, unsigned int uiPartSize)
+void TShortYUV::subtractLuma(TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, unsigned int trUnitIdx, unsigned int partSize)
 {
-    int x, y;
+    int x = partSize, y = partSize;
 
-    Pel* pSrc0 = pcYuvSrc0->getLumaAddr(uiTrUnitIdx, uiPartSize);
-    Pel* pSrc1 = pcYuvSrc1->getLumaAddr(uiTrUnitIdx, uiPartSize);
-    Short* pDst  = getLumaAddr(uiTrUnitIdx, uiPartSize);
+    Pel* src0 = pcYuvSrc0->getLumaAddr(trUnitIdx, partSize);
+    Pel* src1 = pcYuvSrc1->getLumaAddr(trUnitIdx, partSize);
+    Short* dst  = getLumaAddr(trUnitIdx, partSize);
 
-    int  iSrc0Stride = pcYuvSrc0->getStride();
-    int  iSrc1Stride = pcYuvSrc1->getStride();
-    int  iDstStride  = width;
+    int  src0Stride = pcYuvSrc0->getStride();
+    int  src1Stride = pcYuvSrc1->getStride();
+    int  dstStride  = width;
 
-    for (y = uiPartSize - 1; y >= 0; y--)
-    {
-        for (x = uiPartSize - 1; x >= 0; x--)
-        {
-            pDst[x] = static_cast<short>(pSrc0[x]) - static_cast<short>(pSrc1[x]);
-        }
-
-        pSrc0 += iSrc0Stride;
-        pSrc1 += iSrc1Stride;
-        pDst  += iDstStride;
-    }
+    primitives.LumaSubstract_sp(x, y, dst, dstStride, src0, src1, src0Stride, src1Stride);
 }
 
-void TShortYUV::subtractChroma(TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, unsigned int uiTrUnitIdx, unsigned int uiPartSize)
+void TShortYUV::subtractChroma(TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, unsigned int trUnitIdx, unsigned int partSize)
 {
-    int x, y;
+    int x = partSize, y = partSize;
 
-    Pel* pSrcU0 = pcYuvSrc0->getCbAddr(uiTrUnitIdx, uiPartSize);
-    Pel* pSrcU1 = pcYuvSrc1->getCbAddr(uiTrUnitIdx, uiPartSize);
-    Pel* pSrcV0 = pcYuvSrc0->getCrAddr(uiTrUnitIdx, uiPartSize);
-    Pel* pSrcV1 = pcYuvSrc1->getCrAddr(uiTrUnitIdx, uiPartSize);
-    Short* pDstU  = getCbAddr(uiTrUnitIdx, uiPartSize);
-    Short* pDstV  = getCrAddr(uiTrUnitIdx, uiPartSize);
+    Pel* srcU0 = pcYuvSrc0->getCbAddr(trUnitIdx, partSize);
+    Pel* srcU1 = pcYuvSrc1->getCbAddr(trUnitIdx, partSize);
+    Pel* srcV0 = pcYuvSrc0->getCrAddr(trUnitIdx, partSize);
+    Pel* srcV1 = pcYuvSrc1->getCrAddr(trUnitIdx, partSize);
+    Short* dstU  = getCbAddr(trUnitIdx, partSize);
+    Short* dstV  = getCrAddr(trUnitIdx, partSize);
 
-    int  iSrc0Stride = pcYuvSrc0->getCStride();
-    int  iSrc1Stride = pcYuvSrc1->getCStride();
-    int  iDstStride  = Cwidth;
+    int  src0Stride = pcYuvSrc0->getCStride();
+    int  src1Stride = pcYuvSrc1->getCStride();
+    int  dstStride  = Cwidth;
 
-    for (y = uiPartSize - 1; y >= 0; y--)
-    {
-        for (x = uiPartSize - 1; x >= 0; x--)
-        {
-            pDstU[x] = static_cast<short>(pSrcU0[x]) - static_cast<short>(pSrcU1[x]);
-            pDstV[x] = static_cast<short>(pSrcV0[x]) - static_cast<short>(pSrcV1[x]);
-        }
-
-        pSrcU0 += iSrc0Stride;
-        pSrcU1 += iSrc1Stride;
-        pSrcV0 += iSrc0Stride;
-        pSrcV1 += iSrc1Stride;
-        pDstU  += iDstStride;
-        pDstV  += iDstStride;
-    }
+    primitives.ChromaSubstract_sp(x, y, dstU, dstStride, dstV, dstStride, srcU0, srcU1, src0Stride, src1Stride, srcV0, srcV1, src0Stride, src1Stride);
 }
 
 void TShortYUV::addClip(TShortYUV* pcYuvSrc0, TShortYUV* pcYuvSrc1, unsigned int uiTrUnitIdx, unsigned int uiPartSize)
diff -r c9bb72e8cb8e -r be5257d512be source/common/pixel.cpp
--- a/source/common/pixel.cpp	Mon Jul 15 23:41:11 2013 -0500
+++ b/source/common/pixel.cpp	Tue Jul 16 17:40:05 2013 +0530
@@ -30,7 +30,6 @@
 #include "TLibCommon/CommonDef.h"
 #include "TLibCommon/TComPrediction.h"
 
-
 #define SET_FUNC_PRIMITIVE_TABLE_C_SUBSET(WIDTH, FUNC_PREFIX, FUNC_PREFIX_DEF, FUNC_TYPE_CAST, DATA_TYPE1, DATA_TYPE2) \
     p.FUNC_PREFIX[PARTITION_ ## WIDTH ## x4]   = (FUNC_TYPE_CAST)FUNC_PREFIX_DEF<WIDTH, 4,  DATA_TYPE1, DATA_TYPE2>;  \
     p.FUNC_PREFIX[PARTITION_ ## WIDTH ## x8]   = (FUNC_TYPE_CAST)FUNC_PREFIX_DEF<WIDTH, 8,  DATA_TYPE1, DATA_TYPE2>;  \
@@ -388,6 +387,41 @@
     }
 }
 
+void Lumasubstract_s_p(int bx, int by, short *a, intptr_t dstride, pixel *b0, pixel *b1, intptr_t sstride0, intptr_t sstride1)
+{
+    for (int y = 0; y < by; y++)
+    {
+        for (int x = 0; x < bx; x++)
+        {
+            a[x] = (short)(b0[x] - b1[x]);
+        }
+
+        b0 += sstride0;
+        b1 += sstride1;
+        a += dstride;
+    }
+}
+
+void Chromasubstract_s_p(int bx, int by, short *dstu, intptr_t dstsrideu, short *dstv, intptr_t dstsridev, pixel *u0, pixel *u1, intptr_t sstrideu0, intptr_t sstrideu1,
+                         pixel *v0, pixel *v1, intptr_t sstridev0, intptr_t sstridev1)
+{
+    for (int y = 0; y < by; y++)
+    {
+        for (int x = 0; x < bx; x++)
+        {
+            dstu[x] = (short)(u0[x] - u1[x]);
+            dstv[x] = (short)(v0[x] - v1[x]);
+        }
+
+        u0 += sstrideu0;
+        u1 += sstrideu1;
+        v0 += sstridev0;
+        v1 += sstridev1;
+        dstu += dstsrideu;
+        dstv += dstsridev;
+    }
+}
+
 void blockcopy_p_s(int bx, int by, pixel *a, intptr_t stridea, short *b, intptr_t strideb)
 {
     for (int y = 0; y < by; y++)
@@ -504,14 +538,15 @@
 void weightUnidir(short *src, pixel *dst, int srcStride, int dstStride, int width, int height, int w0, int round, int shift, int offset, int bitDepth)
 {
     int x, y;
+
     for (y = height - 1; y >= 0; y--)
     {
         for (x = width - 1; x >= 0; )
         {
             // note: luma min width is 4
-            dst[x] = (pixel) Clip3(0, ((1 << bitDepth) - 1), ((w0 * (src[x] + IF_INTERNAL_OFFS) + round) >> shift) + offset);
+            dst[x] = (pixel)Clip3(0, ((1 << bitDepth) - 1), ((w0 * (src[x] + IF_INTERNAL_OFFS) + round) >> shift) + offset);
             x--;
-            dst[x] = (pixel) Clip3(0, ((1 << bitDepth) - 1), ((w0 * (src[x] + IF_INTERNAL_OFFS) + round) >> shift) + offset);
+            dst[x] = (pixel)Clip3(0, ((1 << bitDepth) - 1), ((w0 * (src[x] + IF_INTERNAL_OFFS) + round) >> shift) + offset);
             x--;
         }
 
@@ -519,7 +554,6 @@
         dst  += dstStride;
     }
 }
-
 }  // end anonymous namespace
 
 namespace x265 {
@@ -619,6 +653,8 @@
     p.blockcpy_ps = blockcopy_p_s;
     p.blockcpy_sp = blockcopy_s_p;
     p.blockcpy_sc = blockcopy_s_c;
+    p.LumaSubstract_sp = Lumasubstract_s_p;
+    p.ChromaSubstract_sp = Chromasubstract_s_p;
 
     p.cvt16to32     = convert16to32;
     p.cvt16to32_shl = convert16to32_shl;
diff -r c9bb72e8cb8e -r be5257d512be source/common/primitives.h
--- a/source/common/primitives.h	Mon Jul 15 23:41:11 2013 -0500
+++ b/source/common/primitives.h	Tue Jul 16 17:40:05 2013 +0530
@@ -192,6 +192,9 @@
 typedef void (*ipfilter_s2p_t)(int bitDepth, short *src, int srcStride, pixel *dst, int dstStride, int width, int height);
 typedef void (*blockcpy_pp_t)(int bx, int by, pixel *dst, intptr_t dstride, pixel *src, intptr_t sstride); // dst is aligned
 typedef void (*blockcpy_sp_t)(int bx, int by, short *dst, intptr_t dstride, pixel *src, intptr_t sstride); // dst is aligned
+typedef void (*LumaSubstract_sp_t)(int bx, int by, short *dst, intptr_t dstride, pixel *src0, pixel *src1, intptr_t sstride0, intptr_t sstride1); // dst is aligned
+typedef void (*ChromaSubstract_sp_t)(int bx, int by, short *dstu, intptr_t dstsrideu, short *dstv, intptr_t dstsridev, pixel *u0, pixel *u1, intptr_t sstrideu0, intptr_t sstrideu1,
+                                     pixel *v0, pixel *v1, intptr_t sstridev0, intptr_t sstridev1);
 typedef void (*blockcpy_ps_t)(int bx, int by, pixel *dst, intptr_t dstride, short *src, intptr_t sstride); // dst is aligned
 typedef void (*blockcpy_sc_t)(int bx, int by, short *dst, intptr_t dstride, uint8_t *src, intptr_t sstride); // dst is aligned
 typedef void (*intra_dc_t)(pixel* src, intptr_t srcStride, pixel* dst, intptr_t dstStride, int width, int bFilter);
@@ -236,6 +239,10 @@
     blockcpy_ps_t   blockcpy_ps;                // block copy pixel from short
     blockcpy_sp_t   blockcpy_sp;                // block copy short from pixel
     blockcpy_sc_t   blockcpy_sc;                // block copy short from unsigned char
+
+    LumaSubstract_sp_t LumaSubstract_sp;
+    ChromaSubstract_sp_t ChromaSubstract_sp;
+
     cvt16to32_t     cvt16to32;
     cvt16to32_shl_t cvt16to32_shl;
     cvt16to16_shl_t cvt16to16_shl;
diff -r c9bb72e8cb8e -r be5257d512be source/common/vec/blockcopy.inc
--- a/source/common/vec/blockcopy.inc	Mon Jul 15 23:41:11 2013 -0500
+++ b/source/common/vec/blockcopy.inc	Tue Jul 16 17:40:05 2013 +0530
@@ -79,7 +79,7 @@
         }
     }
     else
-#endif
+#endif /* if INSTRSET >= 8 */
     if (!(aligncheck & 15))
     {
         // fast path, multiples of 16 pixel wide blocks
@@ -131,7 +131,7 @@
         }
     }
     else
-#endif
+#endif /* if INSTRSET >= 8 && 0 */
     if (!(aligncheck & 15))
     {
         // fast path, multiples of 16 pixel wide blocks
@@ -170,6 +170,7 @@
 void blockcopy_s_p(int bx, int by, short *dst, intptr_t dstride, uint8_t *src, intptr_t sstride)
 {
     size_t aligncheck = (size_t)dst | (size_t)src | bx | sstride | dstride;
+
 #if INSTRSET >= 8 && 0
     if (!(aligncheck & 31))
     {
@@ -189,7 +190,7 @@
         }
     }
     else
-#endif
+#endif /* if INSTRSET >= 8 && 0 */
     if (!(aligncheck & 15))
     {
         // fast path, multiples of 16 pixel wide blocks
@@ -223,6 +224,173 @@
     }
 }
 
+void Lumasubstract_s_p(int bx, int by, short *dst, intptr_t dstride, uint8_t *src0, uint8_t *src1, intptr_t sstride0, intptr_t sstride1)
+{
+    size_t aligncheck = (size_t)dst | (size_t)src0 | bx | sstride0 | dstride;
+
+#if INSTRSET >= 8 && 0
+    if (!(aligncheck & 31))
+    {
+        // fast path, multiples of 32 pixel wide blocks
+        // fast path, multiples of 16 pixel wide blocks
+        for (int y = 0; y < by; y++)
+        {
+            for (int x = 0; x < bx; x += 32)
+            {
+                Vec32uc word0, word1;
+                Vec16s  word3, word4;
+                word0.load_a(src0 + x);
+                word1.load_a(src1 + x);
+                word3 = extend_low(word0) - extend_low(word1);
+                word4 = extend_high(word0) - extend_high(word1);
+                word3.store_a(dst + x);
+                word4.store_a(dst + x + 16);
+            }
+
+            src0 += sstride0;
+            src1 += sstride1;
+            dst += dstride;
+        }
+    }
+    else
+#endif /* if INSTRSET >= 8 && 0 */
+    if (!(aligncheck & 15))
+    {
+        // fast path, multiples of 16 pixel wide blocks
+        for (int y = 0; y < by; y++)
+        {
+            for (int x = 0; x < bx; x += 16)
+            {
+                Vec16uc word0, word1;
+                Vec8s word3, word4;
+                word0.load_a(src0 + x);
+                word1.load_a(src1 + x);
+                word3 = extend_low(word0) - extend_low(word1);
+                word4 = extend_high(word0) - extend_high(word1);
+                word3.store_a(dst + x);
+                word4.store_a(dst + x + 8);
+            }
+
+            src0 += sstride0;
+            src1 += sstride1;
+            dst += dstride;
+        }
+    }
+    else
+    {
+        // slow path, irregular memory alignments or sizes
+        for (int y = 0; y < by; y++)
+        {
+            for (int x = 0; x < bx; x++)
+            {
+                dst[x] = (short)(src0[x] - src1[x]);
+            }
+
+            src0 += sstride0;
+            src1 += sstride1;
+            dst += dstride;
+        }
+    }
+}
+
+void Chromasubstract_s_p(int bx, int by, short *dstu, intptr_t dstsrideu, short *dstv, intptr_t dstsridev, pixel *u0, pixel *u1, intptr_t sstrideu0, intptr_t sstrideu1,
+                         pixel *v0, pixel *v1, intptr_t sstridev0, intptr_t sstridev1)
+{
+    size_t aligncheck = (size_t)dstu | (size_t)u0 | bx | sstrideu1 | dstsrideu;
+
+#if INSTRSET >= 8 && 0
+    if (!(aligncheck & 31))
+    {
+        // fast path, multiples of 32 pixel wide blocks
+        // fast path, multiples of 16 pixel wide blocks
+        for (int y = 0; y < by; y++)
+        {
+            for (int x = 0; x < bx; x += 32)
+            {
+                Vec32uc uword0, uword1;
+                Vec16s  uword3, uword4;
+                uword0.load_a(u0 + x);
+                uword1.load_a(u1 + x);
+                uword3 = extend_low(uword0) - extend_low(uword1);
+                uword4 = extend_high(uword0) - extend_high(uword1);
+                uword3.store_a(dstu + x);
+                uword4.store_a(dstu + x + 16);
+
+                Vec32uc vword0, vword1;
+                Vec16s  vword3, vword4;
+                vword0.load_a(v0 + x);
+                vword1.load_a(v1 + x);
+                vword3 = extend_low(vword0) - extend_low(vword1);
+                vword4 = extend_high(vword0) - extend_high(vword1);
+                vword3.store_a(dstv + x);
+                vword4.store_a(dstv + x + 16);
+            }
+
+            u0 += sstrideu0;
+            u1 += sstrideu1;
+            v0 += sstridev0;
+            v1 += sstridev1;
+            dstu += dstsrideu;
+            dstv += dstsridev;
+        }
+    }
+    else
+#endif /* if INSTRSET >= 8 && 0 */
+    if (!(aligncheck & 15))
+    {
+        // fast path, multiples of 16 pixel wide blocks
+        for (int y = 0; y < by; y++)
+        {
+            for (int x = 0; x < bx; x += 16)
+            {
+                Vec16uc uword0, uword1;
+                Vec8s uword3, uword4;
+                uword0.load_a(u0 + x);
+                uword1.load_a(u1 + x);
+                uword3 = extend_low(uword0) - extend_low(uword1);
+                uword4 = extend_high(uword0) - extend_high(uword1);
+                uword3.store_a(dstu + x);
+                uword4.store_a(dstu + x + 8);
+
+                Vec16uc vword0, vword1;
+                Vec8s vword3, vword4;
+                vword0.load_a(v0 + x);
+                vword1.load_a(v1 + x);
+                vword3 = extend_low(vword0) - extend_low(vword1);
+                vword4 = extend_high(vword0) - extend_high(vword1);
+                vword3.store_a(dstv + x);
+                vword4.store_a(dstv + x + 8);
+            }
+
+            u0 += sstrideu0;
+            u1 += sstrideu1;
+            v0 += sstridev0;
+            v1 += sstridev1;
+            dstu += dstsrideu;
+            dstv += dstsridev;
+        }
+    }
+    else
+    {
+        // slow path, irregular memory alignments or sizes
+        for (int y = 0; y < by; y++)
+        {
+            for (int x = 0; x < bx; x++)
+            {
+                dstu[x] = (short)(u0[x] - u1[x]);
+                dstv[x] = (short)(v0[x] - v1[x]);
+            }
+
+            u0 += sstrideu0;
+            u1 += sstrideu1;
+            v0 += sstridev0;
+            v1 += sstridev1;
+            dstu += dstsrideu;
+            dstv += dstsridev;
+        }
+    }
+}
+
 void Setup_Vec_BlockCopyPrimitives(EncoderPrimitives &p)
 {
 #if HIGH_BIT_DEPTH
@@ -231,10 +399,13 @@
     p.blockcpy_ps = (x265::blockcpy_ps_t)blockcopy_p_p;
     p.blockcpy_sp = (x265::blockcpy_sp_t)blockcopy_p_p;
     p.blockcpy_sc = (x265::blockcpy_sc_t)blockcopy_s_p;
+    p.blockcpyyuv_sp = (x265::blockcpy_sc_t)blockcopyYuv_s_p;
 #else
     p.blockcpy_pp = blockcopy_p_p;
     p.blockcpy_ps = blockcopy_p_s;
     p.blockcpy_sp = blockcopy_s_p;
     p.blockcpy_sc = blockcopy_s_p;
-#endif
+    p.LumaSubstract_sp = Lumasubstract_s_p;
+    p.ChromaSubstract_sp = Chromasubstract_s_p;
+#endif /* if HIGH_BIT_DEPTH */
 }
diff -r c9bb72e8cb8e -r be5257d512be source/test/pixelharness.cpp
--- a/source/test/pixelharness.cpp	Mon Jul 15 23:41:11 2013 -0500
+++ b/source/test/pixelharness.cpp	Tue Jul 16 17:40:05 2013 +0530
@@ -56,10 +56,13 @@
     pbuf1 = (pixel*)TestHarness::alignedMalloc(sizeof(pixel), 64 * 64 * 32, 32);
     pbuf2 = (pixel*)TestHarness::alignedMalloc(sizeof(pixel), 64 * 64 * 32, 32);
 
+    pbuf3 = (pixel*)TestHarness::alignedMalloc(sizeof(pixel), 64 * 64 * 32, 32);
+    pbuf4 = (pixel*)TestHarness::alignedMalloc(sizeof(pixel), 64 * 64 * 32, 32);
+
     sbuf1 = (short*)TestHarness::alignedMalloc(sizeof(short), 64 * 64 * 32, 32);
     sbuf2 = (short*)TestHarness::alignedMalloc(sizeof(short), 64 * 64 * 32, 32);
 
-    if (!pbuf1 || !pbuf2)
+    if (!pbuf1 || !pbuf2 | !pbuf3 | !pbuf4)
     {
         fprintf(stderr, "malloc failed, unable to initiate tests!\n");
         exit(1);
@@ -71,6 +74,9 @@
         pbuf1[i] = rand() & PIXEL_MAX;
         pbuf2[i] = rand() & PIXEL_MAX;
 
+        pbuf3[i] = rand() & PIXEL_MAX;
+        pbuf4[i] = rand() & PIXEL_MAX;
+
         sbuf1[i] = rand() & PIXEL_MAX;
         sbuf2[i] = rand() & PIXEL_MAX;
     }
@@ -222,6 +228,59 @@
     return true;
 }
 
+bool PixelHarness::check_LumaSubstract_s_p(x265::LumaSubstract_sp_t ref, x265::LumaSubstract_sp_t opt)
+{
+    ALIGN_VAR_16(short, ref_dest[64 * 64]);
+    ALIGN_VAR_16(short, opt_dest[64 * 64]);
+    int bx = 64;
+    int by = 64;
+    int j = 0;
+    for (int i = 0; i <= 100; i++)
+    {
+        opt(bx, by, opt_dest, 64, pbuf2 + j, pbuf1 + j, 128, 128);
+        ref(bx, by, ref_dest, 64, pbuf2 + j, pbuf1 + j, 128, 128);
+
+        if (memcmp(ref_dest, opt_dest, 64 * 64 * sizeof(short)))
+            return false;
+
+        j += 4;
+        bx = 4 * ((rand() & 15) + 1);
+        by = 4 * ((rand() & 15) + 1);
+    }
+
+    return true;
+}
+
+bool PixelHarness::check_ChromaSubstract_s_p(x265::ChromaSubstract_sp_t ref, x265::ChromaSubstract_sp_t opt)
+{
+    ALIGN_VAR_16(short, ref_destu[64 * 64]);
+    ALIGN_VAR_16(short, opt_destu[64 * 64]);
+
+    ALIGN_VAR_16(short, ref_destv[64 * 64]);
+    ALIGN_VAR_16(short, opt_destv[64 * 64]);
+
+    int bx = 64;
+    int by = 64;
+    int j = 0;
+    for (int i = 0; i <= 100; i++)
+    {
+        opt(bx, by, opt_destu, 64, opt_destv, 64, pbuf2 + j, pbuf1 + j, 128, 128, pbuf3 + j, pbuf4 + j, 128, 128);
+        ref(bx, by, ref_destu, 64, ref_destv, 64, pbuf2 + j, pbuf1 + j, 128, 128, pbuf3 + j, pbuf4 + j, 128, 128);
+
+        if (memcmp(ref_destu, opt_destu, 64 * 64 * sizeof(short)))
+            return false;
+
+        if (memcmp(ref_destv, opt_destv, 64 * 64 * sizeof(short)))
+            return false;
+
+        j += 4;
+        bx = 4 * ((rand() & 15) + 1);
+        by = 4 * ((rand() & 15) + 1);
+    }
+
+    return true;
+}
+
 bool PixelHarness::check_block_copy_s_c(x265::blockcpy_sc_t ref, x265::blockcpy_sc_t opt)
 {
     ALIGN_VAR_16(short, ref_dest[64 * 64]);
@@ -341,14 +400,15 @@
     int offset = (rand() % 256) - 128;
     for (int i = 0; i <= 100; i++)
     {
-        opt(sbuf1+j, opt_dest, 64, 64, width, height, w0, round, shift, offset, BIT_DEPTH);
-        ref(sbuf1+j, ref_dest, 64, 64, width, height, w0, round, shift, offset, BIT_DEPTH);
+        opt(sbuf1 + j, opt_dest, 64, 64, width, height, w0, round, shift, offset, BIT_DEPTH);
+        ref(sbuf1 + j, ref_dest, 64, 64, width, height, w0, round, shift, offset, BIT_DEPTH);
 
         if (memcmp(ref_dest, opt_dest, 64 * 64 * sizeof(pixel)))
             return false;
 
         j += 4;
     }
+
     return true;
 }
 
@@ -484,6 +544,24 @@
         }
     }
 
+    if (opt.LumaSubstract_sp)
+    {
+        if (!check_LumaSubstract_s_p(ref.LumaSubstract_sp, opt.LumaSubstract_sp))
+        {
+            printf("Luma Substract failed!\n");
+            return false;
+        }
+    }
+
+    if (opt.ChromaSubstract_sp)
+    {
+        if (!check_ChromaSubstract_s_p(ref.ChromaSubstract_sp, opt.ChromaSubstract_sp))
+        {
+            printf("Chroma Substract failed!\n");
+            return false;
+        }
+    }
+
     if (opt.blockcpy_sc)
     {
         if (!check_block_copy_s_c(ref.blockcpy_sc, opt.blockcpy_sc))
@@ -492,7 +570,7 @@
             return false;
         }
     }
-    
+
     if (opt.weightpUni)
     {
         if (!check_weightpUni(ref.weightpUni, opt.weightpUni))
@@ -502,7 +580,6 @@
         }
     }
 
-
     return true;
 }
 
@@ -600,6 +677,18 @@
         REPORT_SPEEDUP(opt.blockcpy_sp, ref.blockcpy_sp, 64, 64, (short*)pbuf1, FENC_STRIDE, pbuf2, STRIDE);
     }
 
+    if (opt.LumaSubstract_sp)
+    {
+        printf("Luma Sub");
+        REPORT_SPEEDUP(opt.LumaSubstract_sp, ref.LumaSubstract_sp, 64, 64, (short*)pbuf1, FENC_STRIDE, pbuf2, pbuf1, STRIDE, STRIDE);
+    }
+
+    if (opt.ChromaSubstract_sp)
+    {
+        printf("Chroma Sub");
+        REPORT_SPEEDUP(opt.ChromaSubstract_sp, ref.ChromaSubstract_sp, 64, 64, (short*)pbuf1, FENC_STRIDE, (short*)pbuf2, FENC_STRIDE,  pbuf3, pbuf3, STRIDE, STRIDE, pbuf4, pbuf4, STRIDE, STRIDE);
+    }
+
     if (opt.blockcpy_sc)
     {
         printf("s_c   cpy");
@@ -609,6 +698,6 @@
     if (opt.weightpUni)
     {
         printf("WeightpUni");
-        REPORT_SPEEDUP(opt.weightpUni, ref.weightpUni, sbuf1, pbuf1, 64, 64, 32, 32, 128, 1<<9, 10, 100, BIT_DEPTH);
+        REPORT_SPEEDUP(opt.weightpUni, ref.weightpUni, sbuf1, pbuf1, 64, 64, 32, 32, 128, 1 << 9, 10, 100, BIT_DEPTH);
     }
 }
diff -r c9bb72e8cb8e -r be5257d512be source/test/pixelharness.h
--- a/source/test/pixelharness.h	Mon Jul 15 23:41:11 2013 -0500
+++ b/source/test/pixelharness.h	Tue Jul 16 17:40:05 2013 +0530
@@ -31,7 +31,7 @@
 {
 protected:
 
-    pixel *pbuf1, *pbuf2;
+    pixel *pbuf1, *pbuf2, *pbuf3, *pbuf4;
 
     short *sbuf1, *sbuf2;
 
@@ -42,6 +42,8 @@
     bool check_pixelcmp_x4(x265::pixelcmp_x4_t ref, x265::pixelcmp_x4_t opt);
     bool check_block_copy(x265::blockcpy_pp_t ref, x265::blockcpy_pp_t opt);
     bool check_block_copy_s_p(x265::blockcpy_sp_t ref, x265::blockcpy_sp_t opt);
+	bool check_LumaSubstract_s_p(x265::LumaSubstract_sp_t ref, x265::LumaSubstract_sp_t opt);
+	bool check_ChromaSubstract_s_p(x265::ChromaSubstract_sp_t ref, x265::ChromaSubstract_sp_t opt);
     bool check_block_copy_p_s(x265::blockcpy_ps_t ref, x265::blockcpy_ps_t opt);
     bool check_block_copy_s_c(x265::blockcpy_sc_t ref, x265::blockcpy_sc_t opt);
     bool check_calresidual(x265::calcresidual_t ref, x265::calcresidual_t opt);


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