shithub: openh264

Download patch

ref: ba2329a9c0cf10a27adda91e21b628377249bca2
parent: f449033ea88a19b29277912a0a3b82bb5e227213
parent: 14e5d740cd3c3b8477c17591221e80a6e7b06753
author: sijchen <[email protected]>
date: Fri May 30 13:25:11 EDT 2014

Merge pull request #904 from ruil2/expand_pic_1

    clean up expand picture.

--- a/codec/build/win32/dec/WelsDecCore.vcproj
+++ b/codec/build/win32/dec/WelsDecCore.vcproj
@@ -730,14 +730,10 @@
 					>
 				</File>
 				<File
-					RelativePath="..\..\..\decoder\core\inc\expand_pic.h"
+					RelativePath="..\..\..\common\inc\expand_pic.h"
 					>
 				</File>
 				<File
-					RelativePath="..\..\..\common\inc\expand_picture_common.h"
-					>
-				</File>
-				<File
 					RelativePath="..\..\..\decoder\core\inc\fmo.h"
 					>
 				</File>
@@ -895,7 +891,7 @@
 					>
 				</File>
 				<File
-					RelativePath="..\..\..\decoder\core\src\expand_pic.cpp"
+					RelativePath="..\..\..\common\src\expand_pic.cpp"
 					>
 				</File>
 				<File
--- a/codec/build/win32/enc/WelsEncCore.vcproj
+++ b/codec/build/win32/enc/WelsEncCore.vcproj
@@ -388,7 +388,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\..\encoder\core\src\expand_pic.cpp"
+				RelativePath="..\..\..\common\src\expand_pic.cpp"
 				>
 			</File>
 			<File
@@ -545,11 +545,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\..\..\encoder\core\inc\expand_pic.h"
-				>
-			</File>
-			<File
-				RelativePath="..\..\..\common\inc\expand_picture_common.h"
+				RelativePath="..\..\..\common\inc\expand_pic.h"
 				>
 			</File>
 			<File
--- /dev/null
+++ b/codec/common/inc/expand_pic.h
@@ -1,0 +1,93 @@
+/*!
+ * \copy
+ *     Copyright (c)  2009-2013, Cisco Systems
+ *     All rights reserved.
+ *
+ *     Redistribution and use in source and binary forms, with or without
+ *     modification, are permitted provided that the following conditions
+ *     are met:
+ *
+ *        * Redistributions of source code must retain the above copyright
+ *          notice, this list of conditions and the following disclaimer.
+ *
+ *        * Redistributions in binary form must reproduce the above copyright
+ *          notice, this list of conditions and the following disclaimer in
+ *          the documentation and/or other materials provided with the
+ *          distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *     POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ * \file		expand_pic.h
+ *
+ * \brief		Interface for expanding reconstructed picture to be used for reference
+ *
+ * \date		06/08/2009
+ *************************************************************************************
+ */
+
+#ifndef EXPAND_PICTURE_H
+#define EXPAND_PICTURE_H
+
+#include "typedefs.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif//__cplusplus
+
+#define PADDING_LENGTH			32 // reference extension
+
+#if defined(X86_ASM)
+void ExpandPictureLuma_sse2 (uint8_t* pDst,
+                             const int32_t kiStride,
+                             const int32_t kiPicW,
+                             const int32_t kiPicH);
+void ExpandPictureChromaAlign_sse2 (uint8_t* pDst,
+                                    const int32_t kiStride,
+                                    const int32_t kiPicW,
+                                    const int32_t kiPicH);
+void ExpandPictureChromaUnalign_sse2 (uint8_t* pDst,
+                                      const int32_t kiStride,
+                                      const int32_t kiPicW,
+                                      const int32_t kiPicH);
+#endif//X86_ASM
+
+#if defined(HAVE_NEON)
+void ExpandPictureLuma_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
+void ExpandPictureChroma_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
+#endif
+#if defined(HAVE_NEON_AARCH64)
+void ExpandPictureLuma_AArch64_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
+void ExpandPictureChroma_AArch64_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
+                                       const int32_t kiPicH);
+#endif
+
+typedef void (*PExpandPictureFunc) (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
+
+typedef struct TagExpandPicFunc {
+  PExpandPictureFunc pfExpandLumaPicture;
+  PExpandPictureFunc pfExpandChromaPicture[2];
+} SExpandPicFunc;
+
+
+void ExpandReferencingPicture (uint8_t* pData[3], int32_t iWidth, int32_t iHeight, int32_t iStride[3],
+                               PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]);
+
+void InitExpandPictureFunc (SExpandPicFunc* pExpandPicFunc, const uint32_t kuiCPUFlags);
+
+#if defined(__cplusplus)
+}
+#endif//__cplusplus
+
+#endif
--- a/codec/common/inc/expand_picture_common.h
+++ /dev/null
@@ -1,77 +1,0 @@
-/*!
- * \copy
- *     Copyright (c)  2009-2013, Cisco Systems
- *     All rights reserved.
- *
- *     Redistribution and use in source and binary forms, with or without
- *     modification, are permitted provided that the following conditions
- *     are met:
- *
- *        * Redistributions of source code must retain the above copyright
- *          notice, this list of conditions and the following disclaimer.
- *
- *        * Redistributions in binary form must reproduce the above copyright
- *          notice, this list of conditions and the following disclaimer in
- *          the documentation and/or other materials provided with the
- *          distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- *     POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * \file		expand_pic.h
- *
- * \brief		Interface for expanding reconstructed picture to be used for reference
- *
- * \date		06/08/2009
- *************************************************************************************
- */
-
-#ifndef EXPAND_PICTURE_COMMON_H
-#define EXPAND_PICTURE_COMMON_H
-
-#include "typedefs.h"
-
-#if defined(__cplusplus)
-extern "C" {
-#endif//__cplusplus
-
-#if defined(X86_ASM)
-void ExpandPictureLuma_sse2 (uint8_t* pDst,
-                             const int32_t kiStride,
-                             const int32_t kiPicW,
-                             const int32_t kiPicH);
-void ExpandPictureChromaAlign_sse2 (uint8_t* pDst,
-                                    const int32_t kiStride,
-                                    const int32_t kiPicW,
-                                    const int32_t kiPicH);
-void ExpandPictureChromaUnalign_sse2 (uint8_t* pDst,
-                                      const int32_t kiStride,
-                                      const int32_t kiPicW,
-                                      const int32_t kiPicH);
-#endif//X86_ASM
-
-#if defined(HAVE_NEON)
-void ExpandPictureLuma_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
-void ExpandPictureChroma_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
-#endif
-#if defined(HAVE_NEON_AARCH64)
-void ExpandPictureLuma_AArch64_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
-void ExpandPictureChroma_AArch64_neon (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
-                                       const int32_t kiPicH);
-#endif
-#if defined(__cplusplus)
-}
-#endif//__cplusplus
-
-#endif
--- /dev/null
+++ b/codec/common/src/expand_pic.cpp
@@ -1,0 +1,174 @@
+/*!
+ * \copy
+ *     Copyright (c)  2013, Cisco Systems
+ *     All rights reserved.
+ *
+ *     Redistribution and use in source and binary forms, with or without
+ *     modification, are permitted provided that the following conditions
+ *     are met:
+ *
+ *        * Redistributions of source code must retain the above copyright
+ *          notice, this list of conditions and the following disclaimer.
+ *
+ *        * Redistributions in binary form must reproduce the above copyright
+ *          notice, this list of conditions and the following disclaimer in
+ *          the documentation and/or other materials provided with the
+ *          distribution.
+ *
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *     POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include <string.h>
+#include "expand_pic.h"
+#include "cpu_core.h"
+
+// rewrite it (split into luma & chroma) that is helpful for mmx/sse2 optimization perform, 9/27/2009
+static inline void ExpandPictureLuma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
+                                        const int32_t kiPicH) {
+  uint8_t* pTmp				= pDst;
+  uint8_t* pDstLastLine		= pTmp + (kiPicH - 1) * kiStride;
+  const int32_t kiPaddingLen	= PADDING_LENGTH;
+  const uint8_t kuiTL			= pTmp[0];
+  const uint8_t kuiTR			= pTmp[kiPicW - 1];
+  const uint8_t kuiBL			= pDstLastLine[0];
+  const uint8_t kuiBR			= pDstLastLine[kiPicW - 1];
+  int32_t i					= 0;
+
+  do {
+    const int32_t kiStrides	= (1 + i) * kiStride;
+    uint8_t* pTop			= pTmp - kiStrides;
+    uint8_t* pBottom			= pDstLastLine + kiStrides;
+
+    // pad pTop and pBottom
+    memcpy (pTop, pTmp, kiPicW);				// confirmed_safe_unsafe_usage
+    memcpy (pBottom, pDstLastLine, kiPicW);	// confirmed_safe_unsafe_usage
+
+    // pad corners
+    memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
+    memset (pTop + kiPicW, kuiTR, kiPaddingLen); //pTop right
+    memset (pBottom - kiPaddingLen, kuiBL, kiPaddingLen); //pBottom left
+    memset (pBottom + kiPicW, kuiBR, kiPaddingLen); //pBottom right
+
+    ++ i;
+  } while (i < kiPaddingLen);
+
+  // pad left and right
+  i = 0;
+  do {
+    memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
+    memset (pTmp + kiPicW, pTmp[kiPicW - 1], kiPaddingLen);
+
+    pTmp += kiStride;
+    ++ i;
+  } while (i < kiPicH);
+}
+
+static inline void ExpandPictureChroma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
+    const int32_t kiPicH) {
+  uint8_t* pTmp				= pDst;
+  uint8_t* pDstLastLine		= pTmp + (kiPicH - 1) * kiStride;
+  const int32_t kiPaddingLen	= (PADDING_LENGTH >> 1);
+  const uint8_t kuiTL			= pTmp[0];
+  const uint8_t kuiTR			= pTmp[kiPicW - 1];
+  const uint8_t kuiBL			= pDstLastLine[0];
+  const uint8_t kuiBR			= pDstLastLine[kiPicW - 1];
+  int32_t i					= 0;
+
+  do {
+    const int32_t kiStrides	= (1 + i) * kiStride;
+    uint8_t* pTop			= pTmp - kiStrides;
+    uint8_t* pBottom			= pDstLastLine + kiStrides;
+
+    // pad pTop and pBottom
+    memcpy (pTop, pTmp, kiPicW);				// confirmed_safe_unsafe_usage
+    memcpy (pBottom, pDstLastLine, kiPicW);	// confirmed_safe_unsafe_usage
+
+    // pad corners
+    memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
+    memset (pTop + kiPicW, kuiTR, kiPaddingLen); //pTop right
+    memset (pBottom - kiPaddingLen, kuiBL, kiPaddingLen); //pBottom left
+    memset (pBottom + kiPicW, kuiBR, kiPaddingLen); //pBottom right
+
+    ++ i;
+  } while (i < kiPaddingLen);
+
+  // pad left and right
+  i = 0;
+  do {
+    memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
+    memset (pTmp + kiPicW, pTmp[kiPicW - 1], kiPaddingLen);
+
+    pTmp += kiStride;
+    ++ i;
+  } while (i < kiPicH);
+}
+
+void InitExpandPictureFunc (SExpandPicFunc* pExpandPicFunc, const uint32_t kuiCPUFlag) {
+  pExpandPicFunc->pfExpandLumaPicture		= ExpandPictureLuma_c;
+  pExpandPicFunc->pfExpandChromaPicture[0]	= ExpandPictureChroma_c;
+  pExpandPicFunc->pfExpandChromaPicture[1]	= ExpandPictureChroma_c;
+
+#if defined(X86_ASM)
+  if ((kuiCPUFlag & WELS_CPU_SSE2) == WELS_CPU_SSE2) {
+    pExpandPicFunc->pfExpandLumaPicture	= ExpandPictureLuma_sse2;
+    pExpandPicFunc->pfExpandChromaPicture[0] = ExpandPictureChromaUnalign_sse2;
+    pExpandPicFunc->pfExpandChromaPicture[1] = ExpandPictureChromaAlign_sse2;
+  }
+#endif//X86_ASM
+#if defined(HAVE_NEON)
+  if (kuiCPUFlag & WELS_CPU_NEON) {
+    pExpandPicFunc->pfExpandLumaPicture	= ExpandPictureLuma_neon;
+    pExpandPicFunc->pfExpandChromaPicture[0] = ExpandPictureChroma_neon;
+    pExpandPicFunc->pfExpandChromaPicture[1] = ExpandPictureChroma_neon;
+  }
+#endif//HAVE_NEON
+#if defined(HAVE_NEON_AARCH64)
+  if (kuiCPUFlag & WELS_CPU_NEON) {
+    pExpandPicFunc->pfExpandLumaPicture	= ExpandPictureLuma_AArch64_neon;
+    pExpandPicFunc->pfExpandChromaPicture[0] = ExpandPictureChroma_AArch64_neon;
+    pExpandPicFunc->pfExpandChromaPicture[1] = ExpandPictureChroma_AArch64_neon;
+  }
+#endif//HAVE_NEON_AARCH64
+}
+
+
+//void ExpandReferencingPicture (SPicture* pPic, PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]) {
+void ExpandReferencingPicture (uint8_t* pData[3], int32_t iWidth, int32_t iHeight, int32_t iStride[3],
+                               PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]) {
+  /*local variable*/
+  uint8_t* pPicY	= pData[0];
+  uint8_t* pPicCb = pData[1];
+  uint8_t* pPicCr = pData[2];
+  const int32_t kiWidthY	= iWidth;
+  const int32_t kiHeightY	= iHeight;
+  const int32_t kiWidthUV	= kiWidthY >> 1;
+  const int32_t kiHeightUV	= kiHeightY >> 1;
+
+
+
+  pExpLuma (pPicY, iStride[0], kiWidthY, kiHeightY);
+  if (kiWidthUV >= 16) {
+    // fix coding picture size as 16x16
+    const bool kbChrAligned = /*(iWidthUV >= 16) && */ ((kiWidthUV & 0x0F) == 0);	// chroma planes: (16+iWidthUV) & 15
+    pExpChrom[kbChrAligned] (pPicCb, iStride[1], kiWidthUV, kiHeightUV);
+    pExpChrom[kbChrAligned] (pPicCr, iStride[2], kiWidthUV, kiHeightUV);
+  } else {
+    // fix coding picture size as 16x16
+    ExpandPictureChroma_c (pPicCb, iStride[1], kiWidthUV, kiHeightUV);
+    ExpandPictureChroma_c (pPicCr, iStride[2], kiWidthUV, kiHeightUV);
+  }
+
+
+
+}
--- a/codec/common/targets.mk
+++ b/codec/common/targets.mk
@@ -4,6 +4,7 @@
 	$(COMMON_SRCDIR)/src/cpu.cpp\
 	$(COMMON_SRCDIR)/src/crt_util_safe_x.cpp\
 	$(COMMON_SRCDIR)/src/deblocking_common.cpp\
+	$(COMMON_SRCDIR)/src/expand_pic.cpp\
 	$(COMMON_SRCDIR)/src/logging.cpp\
 	$(COMMON_SRCDIR)/src/sad_common.cpp\
 	$(COMMON_SRCDIR)/src/WelsThreadLib.cpp\
--- a/codec/decoder/core/inc/decoder_context.h
+++ b/codec/decoder/core/inc/decoder_context.h
@@ -53,6 +53,7 @@
 #include "as264_common.h" // for LONG_TERM_REF macro,can be delete if not need this macro
 #include "crt_util_safe_x.h"
 #include "mb_cache.h"
+#include "expand_pic.h"
 
 namespace WelsDec {
 
@@ -150,11 +151,6 @@
 typedef int32_t (*PWelsParseIntra4x4ModeFunc) (PNeighAvail pNeighAvail, int8_t* pIntraPredMode, PBitStringAux pBs,
     PDqLayer pCurDqLayer);
 typedef int32_t (*PWelsParseIntra16x16ModeFunc) (PNeighAvail pNeighAvail, PBitStringAux pBs, PDqLayer pCurDqLayer);
-
-typedef struct TagExpandPicFunc {
-  PExpandPictureFunc pExpandLumaPicture;
-  PExpandPictureFunc pExpandChromaPicture[2];
-} SExpandPicFunc;
 
 enum {
   OVERWRITE_NONE = 0,
--- a/codec/decoder/core/inc/expand_pic.h
+++ /dev/null
@@ -1,57 +1,0 @@
-/*!
- * \copy
- *     Copyright (c)  2009-2013, Cisco Systems
- *     All rights reserved.
- *
- *     Redistribution and use in source and binary forms, with or without
- *     modification, are permitted provided that the following conditions
- *     are met:
- *
- *        * Redistributions of source code must retain the above copyright
- *          notice, this list of conditions and the following disclaimer.
- *
- *        * Redistributions in binary form must reproduce the above copyright
- *          notice, this list of conditions and the following disclaimer in
- *          the documentation and/or other materials provided with the
- *          distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- *     POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * \file		expand_pic.h
- *
- * \brief		Interface for expanding reconstructed picture to be used for reference
- *
- * \date		06/08/2009 Created
- *************************************************************************************
- */
-
-#ifndef WELS_EXPAND_PIC_H__
-#define WELS_EXPAND_PIC_H__
-
-#include "decoder_context.h"
-#include "picture.h"
-
-#include "expand_picture_common.h"
-
-namespace WelsDec {
-
-void ExpandReferencingPicture (PPicture pPic, PExpandPictureFunc pExpandPictureLuma,
-                               PExpandPictureFunc pExpandPictureChroma[2]);
-
-void InitExpandPictureFunc (SExpandPicFunc* pExpandPicFunc, const uint32_t kuiCpuFlags);
-
-} // namespace WelsDec
-
-#endif//WELS_EXPAND_PIC_H__
--- a/codec/decoder/core/inc/wels_const.h
+++ b/codec/decoder/core/inc/wels_const.h
@@ -81,7 +81,6 @@
 
 #define ALIGN_RBSP_LEN_FIX		4
 
-#define PADDING_LENGTH			32 // reference extension
 
 #define BASE_QUALITY_ID			0
 //#define BASE_DEPENDENCY_ID		0
--- a/codec/decoder/core/src/decoder_core.cpp
+++ b/codec/decoder/core/src/decoder_core.cpp
@@ -1919,8 +1919,9 @@
             return iRet;
           }
         }
-        ExpandReferencingPicture (pCtx->pDec, pCtx->sExpandPicFunc.pExpandLumaPicture,
-                                  pCtx->sExpandPicFunc.pExpandChromaPicture);
+        ExpandReferencingPicture (pCtx->pDec->pData, pCtx->pDec->iWidthInPixel, pCtx->pDec->iHeightInPixel,
+                                  pCtx->pDec->iLinesize,
+                                  pCtx->sExpandPicFunc.pfExpandLumaPicture, pCtx->sExpandPicFunc.pfExpandChromaPicture);
         pCtx->pDec = NULL;
       }
     }
--- a/codec/decoder/core/src/error_concealment.cpp
+++ b/codec/decoder/core/src/error_concealment.cpp
@@ -149,8 +149,9 @@
     pCtx->pDec = NULL;
     return iRet;
   }
-  ExpandReferencingPicture (pCtx->pDec, pCtx->sExpandPicFunc.pExpandLumaPicture,
-                            pCtx->sExpandPicFunc.pExpandChromaPicture);
+  ExpandReferencingPicture (pCtx->pDec->pData, pCtx->pDec->iWidthInPixel, pCtx->pDec->iHeightInPixel,
+                            pCtx->pDec->iLinesize,
+                            pCtx->sExpandPicFunc.pfExpandLumaPicture, pCtx->sExpandPicFunc.pfExpandChromaPicture);
   pCtx->pDec = NULL;
 
   return ERR_NONE;
--- a/codec/decoder/core/src/expand_pic.cpp
+++ /dev/null
@@ -1,171 +1,0 @@
-/*!
- * \copy
- *     Copyright (c)  2013, Cisco Systems
- *     All rights reserved.
- *
- *     Redistribution and use in source and binary forms, with or without
- *     modification, are permitted provided that the following conditions
- *     are met:
- *
- *        * Redistributions of source code must retain the above copyright
- *          notice, this list of conditions and the following disclaimer.
- *
- *        * Redistributions in binary form must reproduce the above copyright
- *          notice, this list of conditions and the following disclaimer in
- *          the documentation and/or other materials provided with the
- *          distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- *     POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-
-#include "expand_pic.h"
-#include "cpu_core.h"
-
-namespace WelsDec {
-
-// rewrite it (split into luma & chroma) that is helpful for mmx/sse2 optimization perform, 9/27/2009
-static inline void ExpandPictureLuma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicWidth,
-                                        const int32_t kiPicHeight) {
-  uint8_t* pTmp				= pDst;
-  uint8_t* pDstLastLine		= pTmp + (kiPicHeight - 1) * kiStride;
-  const int32_t kiPaddingLen	= PADDING_LENGTH;
-  const uint8_t kuiTopLeft	= pTmp[0];
-  const uint8_t kuiTopRight	= pTmp[kiPicWidth - 1];
-  const uint8_t kuiBottomLeft	= pDstLastLine[0];
-  const uint8_t kuiBottomRight = pDstLastLine[kiPicWidth - 1];
-  int32_t i					= 0;
-
-  do {
-    const int32_t kiStrides	= (1 + i) * kiStride;
-    uint8_t* pTop			= pTmp - kiStrides;
-    uint8_t* pBottom		= pDstLastLine + kiStrides;
-
-    // pad pTop and pBottom
-    memcpy (pTop, pTmp, kiPicWidth);
-    memcpy (pBottom, pDstLastLine, kiPicWidth);
-
-    // pad corners
-    memset (pTop - kiPaddingLen,    kuiTopLeft,     kiPaddingLen); //pTop left
-    memset (pTop + kiPicWidth,      kuiTopRight,    kiPaddingLen); //pTop right
-    memset (pBottom - kiPaddingLen, kuiBottomLeft,  kiPaddingLen); //pBottom left
-    memset (pBottom + kiPicWidth,   kuiBottomRight, kiPaddingLen); //pBottom right
-
-    ++ i;
-  } while (i < kiPaddingLen);
-
-  // pad left and right
-  i = 0;
-  do {
-    memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
-    memset (pTmp + kiPicWidth, pTmp[kiPicWidth - 1], kiPaddingLen);
-
-    pTmp += kiStride;
-    ++ i;
-  } while (i < kiPicHeight);
-}
-
-static inline void ExpandPictureChroma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicWidth,
-    const int32_t kiPicHeight) {
-  uint8_t* pTmp				= pDst;
-  uint8_t* pDstLastLine		= pTmp + (kiPicHeight - 1) * kiStride;
-  const int32_t kiPaddingLen	= (PADDING_LENGTH >> 1);
-  const uint8_t kuiTopLeft	= pTmp[0];
-  const uint8_t kuiTopRight	= pTmp[kiPicWidth - 1];
-  const uint8_t kuiBottomLeft	= pDstLastLine[0];
-  const uint8_t kuiBottomRight = pDstLastLine[kiPicWidth - 1];
-  int32_t i					= 0;
-
-  do {
-    const int32_t kiStrides	= (1 + i) * kiStride;
-    uint8_t* pTop			= pTmp - kiStrides;
-    uint8_t* pBottom		= pDstLastLine + kiStrides;
-
-    // pad pTop and pBottom
-    memcpy (pTop, pTmp, kiPicWidth);
-    memcpy (pBottom, pDstLastLine, kiPicWidth);
-
-    // pad corners
-    memset (pTop - kiPaddingLen,    kuiTopLeft,     kiPaddingLen); //pTop left
-    memset (pTop + kiPicWidth,      kuiTopRight,    kiPaddingLen); //pTop right
-    memset (pBottom - kiPaddingLen, kuiBottomLeft,  kiPaddingLen); //pBottom left
-    memset (pBottom + kiPicWidth,   kuiBottomRight, kiPaddingLen); //pBottom right
-
-    ++ i;
-  } while (i < kiPaddingLen);
-
-  // pad left and right
-  i = 0;
-  do {
-    memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
-    memset (pTmp + kiPicWidth, pTmp[kiPicWidth - 1], kiPaddingLen);
-
-    pTmp += kiStride;
-    ++ i;
-  } while (i < kiPicHeight);
-}
-
-void InitExpandPictureFunc (SExpandPicFunc* pExpandPicFunc, const uint32_t kuiCpuFlags) {
-  pExpandPicFunc->pExpandLumaPicture	= ExpandPictureLuma_c;
-  pExpandPicFunc->pExpandChromaPicture[0] = ExpandPictureChroma_c;
-  pExpandPicFunc->pExpandChromaPicture[1] = ExpandPictureChroma_c;
-
-#if defined(X86_ASM)
-  if ((kuiCpuFlags & WELS_CPU_SSE2) == WELS_CPU_SSE2) {
-    pExpandPicFunc->pExpandLumaPicture	   = ExpandPictureLuma_sse2;
-    pExpandPicFunc->pExpandChromaPicture[0] = ExpandPictureChromaUnalign_sse2;
-    pExpandPicFunc->pExpandChromaPicture[1] = ExpandPictureChromaAlign_sse2;
-  }
-#endif//X86_ASM
-#if defined(HAVE_NEON)
-  if ((kuiCpuFlags & WELS_CPU_NEON) == WELS_CPU_NEON) {
-    pExpandPicFunc->pExpandLumaPicture	   = ExpandPictureLuma_neon;
-    pExpandPicFunc->pExpandChromaPicture[0] = ExpandPictureChroma_neon;
-    pExpandPicFunc->pExpandChromaPicture[1] = ExpandPictureChroma_neon;
-  }
-#endif//HAVE_NEON
-#if defined(HAVE_NEON_AARCH64)
-  if ((kuiCpuFlags & WELS_CPU_NEON) == WELS_CPU_NEON) {
-    pExpandPicFunc->pExpandLumaPicture	   = ExpandPictureLuma_AArch64_neon;
-    pExpandPicFunc->pExpandChromaPicture[0] = ExpandPictureChroma_AArch64_neon;
-    pExpandPicFunc->pExpandChromaPicture[1] = ExpandPictureChroma_AArch64_neon;
-  }
-#endif//HAVE_NEON_AARCH64
-}
-
-void ExpandReferencingPicture (PPicture pPic, PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChroma[2]) {
-  /*local variable*/
-  uint8_t* pPicY = pPic->pData[0];
-  uint8_t* pPicCb = pPic->pData[1];
-  uint8_t* pPicCr = pPic->pData[2];
-  const int32_t kiWidthY	= pPic->iWidthInPixel;
-  const int32_t kiHeightY	= pPic->iHeightInPixel;
-  const int32_t kiWidthUV	= kiWidthY >> 1;
-  const int32_t kiHeightUV = kiHeightY >> 1;
-
-  pExpLuma (pPicY, pPic->iLinesize[0], kiWidthY, kiHeightY);
-  if (kiWidthUV >= 16) {
-    // fix coding picture size as 16x16 issues 7/27/2010
-    const bool kbChrAligned = /*(kiWidthUV >= 16) && */ ((kiWidthUV & 0x0F) == 0);	// chroma planes: (16+kiWidthUV) & 15
-    pExpChroma[kbChrAligned] (pPicCb, pPic->iLinesize[1], kiWidthUV, kiHeightUV);
-    pExpChroma[kbChrAligned] (pPicCr, pPic->iLinesize[2], kiWidthUV, kiHeightUV);
-  } else {
-    // fix coding picture size as 16x16 issues 7/27/2010
-    ExpandPictureChroma_c (pPicCb, pPic->iLinesize[1], kiWidthUV, kiHeightUV);
-    ExpandPictureChroma_c (pPicCr, pPic->iLinesize[2], kiWidthUV, kiHeightUV);
-  }
-}
-
-} // namespace WelsDec
--- a/codec/decoder/targets.mk
+++ b/codec/decoder/targets.mk
@@ -9,7 +9,6 @@
 	$(DECODER_SRCDIR)/core/src/decoder_core.cpp\
 	$(DECODER_SRCDIR)/core/src/decoder_data_tables.cpp\
 	$(DECODER_SRCDIR)/core/src/error_concealment.cpp\
-	$(DECODER_SRCDIR)/core/src/expand_pic.cpp\
 	$(DECODER_SRCDIR)/core/src/fmo.cpp\
 	$(DECODER_SRCDIR)/core/src/get_intra_predictor.cpp\
 	$(DECODER_SRCDIR)/core/src/manage_dec_ref.cpp\
--- a/codec/encoder/core/inc/expand_pic.h
+++ /dev/null
@@ -1,55 +1,0 @@
-/*!
- * \copy
- *     Copyright (c)  2009-2013, Cisco Systems
- *     All rights reserved.
- *
- *     Redistribution and use in source and binary forms, with or without
- *     modification, are permitted provided that the following conditions
- *     are met:
- *
- *        * Redistributions of source code must retain the above copyright
- *          notice, this list of conditions and the following disclaimer.
- *
- *        * Redistributions in binary form must reproduce the above copyright
- *          notice, this list of conditions and the following disclaimer in
- *          the documentation and/or other materials provided with the
- *          distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- *     POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * \file		expand_pic.h
- *
- * \brief		Interface for expanding reconstructed picture to be used for reference
- *
- * \date		06/08/2009
- *************************************************************************************
- */
-
-#ifndef EXPAND_PIC_H
-#define EXPAND_PIC_H
-
-#include "typedefs.h"
-#include "picture.h"
-
-#include "expand_picture_common.h"
-
-namespace WelsSVCEnc {
-typedef void (*PExpandPictureFunc) (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW, const int32_t kiPicH);
-
-void ExpandReferencingPicture (SPicture* pPic, PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]);
-
-void InitExpandPictureFunc (void* pL, const uint32_t kuiCPUFlags);
-}
-#endif
--- a/codec/encoder/core/inc/wels_const.h
+++ b/codec/encoder/core/inc/wels_const.h
@@ -103,7 +103,7 @@
 
 #define ALIGN_RBSP_LEN_FIX		4
 
-#define PADDING_LENGTH			32 // reference extension
+
 #define INTPEL_NEEDED_MARGIN	(3)  // for safe sub-pel MC
 
 #define I420_PLANES				3
--- a/codec/encoder/core/inc/wels_func_ptr_def.h
+++ b/codec/encoder/core/inc/wels_func_ptr_def.h
@@ -192,10 +192,7 @@
 typedef bool (*PUpdateRefListFunc) (void* pCtx);
 
 struct TagWelsFuncPointerList {
-  PExpandPictureFunc      pfExpandLumaPicture;
-  PExpandPictureFunc
-  pfExpandChromaPicture[2];// 0: for chroma unalignment && width_uv >= 16; 1: for chroma alignment && width_uv >= 16;
-
+  SExpandPicFunc sExpandPicFunc;
   PFillInterNeighborCacheFunc       pfFillInterNeighborCache;
 
   PGetVarianceFromIntraVaaFunc  pfGetVarianceFromIntraVaa;
--- a/codec/encoder/core/src/encoder.cpp
+++ b/codec/encoder/core/src/encoder.cpp
@@ -178,7 +178,7 @@
   }
 #endif
 
-  InitExpandPictureFunc (pFuncList, uiCpuFlag);
+  InitExpandPictureFunc (& (pFuncList->sExpandPicFunc), uiCpuFlag);
 
   /* Intra_Prediction_fn*/
   WelsInitFillingPredFuncs (uiCpuFlag);
--- a/codec/encoder/core/src/expand_pic.cpp
+++ /dev/null
@@ -1,175 +1,0 @@
-/*!
- * \copy
- *     Copyright (c)  2013, Cisco Systems
- *     All rights reserved.
- *
- *     Redistribution and use in source and binary forms, with or without
- *     modification, are permitted provided that the following conditions
- *     are met:
- *
- *        * Redistributions of source code must retain the above copyright
- *          notice, this list of conditions and the following disclaimer.
- *
- *        * Redistributions in binary form must reproduce the above copyright
- *          notice, this list of conditions and the following disclaimer in
- *          the documentation and/or other materials provided with the
- *          distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- *     POSSIBILITY OF SUCH DAMAGE.
- *
- */
-#include <string.h>
-#include "expand_pic.h"
-#include "cpu_core.h"
-#include "wels_func_ptr_def.h"
-
-namespace WelsSVCEnc {
-// rewrite it (split into luma & chroma) that is helpful for mmx/sse2 optimization perform, 9/27/2009
-static inline void ExpandPictureLuma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
-                                        const int32_t kiPicH) {
-  uint8_t* pTmp				= pDst;
-  uint8_t* pDstLastLine		= pTmp + (kiPicH - 1) * kiStride;
-  const int32_t kiPaddingLen	= PADDING_LENGTH;
-  const uint8_t kuiTL			= pTmp[0];
-  const uint8_t kuiTR			= pTmp[kiPicW - 1];
-  const uint8_t kuiBL			= pDstLastLine[0];
-  const uint8_t kuiBR			= pDstLastLine[kiPicW - 1];
-  int32_t i					= 0;
-
-  do {
-    const int32_t kiStrides	= (1 + i) * kiStride;
-    uint8_t* pTop			= pTmp - kiStrides;
-    uint8_t* pBottom			= pDstLastLine + kiStrides;
-
-    // pad pTop and pBottom
-    memcpy (pTop, pTmp, kiPicW);				// confirmed_safe_unsafe_usage
-    memcpy (pBottom, pDstLastLine, kiPicW);	// confirmed_safe_unsafe_usage
-
-    // pad corners
-    memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
-    memset (pTop + kiPicW, kuiTR, kiPaddingLen); //pTop right
-    memset (pBottom - kiPaddingLen, kuiBL, kiPaddingLen); //pBottom left
-    memset (pBottom + kiPicW, kuiBR, kiPaddingLen); //pBottom right
-
-    ++ i;
-  } while (i < kiPaddingLen);
-
-  // pad left and right
-  i = 0;
-  do {
-    memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
-    memset (pTmp + kiPicW, pTmp[kiPicW - 1], kiPaddingLen);
-
-    pTmp += kiStride;
-    ++ i;
-  } while (i < kiPicH);
-}
-
-static inline void ExpandPictureChroma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
-    const int32_t kiPicH) {
-  uint8_t* pTmp				= pDst;
-  uint8_t* pDstLastLine		= pTmp + (kiPicH - 1) * kiStride;
-  const int32_t kiPaddingLen	= (PADDING_LENGTH >> 1);
-  const uint8_t kuiTL			= pTmp[0];
-  const uint8_t kuiTR			= pTmp[kiPicW - 1];
-  const uint8_t kuiBL			= pDstLastLine[0];
-  const uint8_t kuiBR			= pDstLastLine[kiPicW - 1];
-  int32_t i					= 0;
-
-  do {
-    const int32_t kiStrides	= (1 + i) * kiStride;
-    uint8_t* pTop			= pTmp - kiStrides;
-    uint8_t* pBottom			= pDstLastLine + kiStrides;
-
-    // pad pTop and pBottom
-    memcpy (pTop, pTmp, kiPicW);				// confirmed_safe_unsafe_usage
-    memcpy (pBottom, pDstLastLine, kiPicW);	// confirmed_safe_unsafe_usage
-
-    // pad corners
-    memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
-    memset (pTop + kiPicW, kuiTR, kiPaddingLen); //pTop right
-    memset (pBottom - kiPaddingLen, kuiBL, kiPaddingLen); //pBottom left
-    memset (pBottom + kiPicW, kuiBR, kiPaddingLen); //pBottom right
-
-    ++ i;
-  } while (i < kiPaddingLen);
-
-  // pad left and right
-  i = 0;
-  do {
-    memset (pTmp - kiPaddingLen, pTmp[0], kiPaddingLen);
-    memset (pTmp + kiPicW, pTmp[kiPicW - 1], kiPaddingLen);
-
-    pTmp += kiStride;
-    ++ i;
-  } while (i < kiPicH);
-}
-
-void InitExpandPictureFunc (void* pL, const uint32_t kuiCPUFlag) {
-  SWelsFuncPtrList* pFuncList = (SWelsFuncPtrList*)pL;
-  pFuncList->pfExpandLumaPicture		= ExpandPictureLuma_c;
-  pFuncList->pfExpandChromaPicture[0]	= ExpandPictureChroma_c;
-  pFuncList->pfExpandChromaPicture[1]	= ExpandPictureChroma_c;
-
-#if defined(X86_ASM)
-  if ((kuiCPUFlag & WELS_CPU_SSE2) == WELS_CPU_SSE2) {
-    pFuncList->pfExpandLumaPicture	= ExpandPictureLuma_sse2;
-    pFuncList->pfExpandChromaPicture[0] = ExpandPictureChromaUnalign_sse2;
-    pFuncList->pfExpandChromaPicture[1] = ExpandPictureChromaAlign_sse2;
-  }
-#endif//X86_ASM
-#if defined(HAVE_NEON)
-  if (kuiCPUFlag & WELS_CPU_NEON) {
-    pFuncList->pfExpandLumaPicture	= ExpandPictureLuma_neon;
-    pFuncList->pfExpandChromaPicture[0] = ExpandPictureChroma_neon;
-    pFuncList->pfExpandChromaPicture[1] = ExpandPictureChroma_neon;
-  }
-#endif//HAVE_NEON
-#if defined(HAVE_NEON_AARCH64)
-  if (kuiCPUFlag & WELS_CPU_NEON) {
-    pFuncList->pfExpandLumaPicture	= ExpandPictureLuma_AArch64_neon;
-    pFuncList->pfExpandChromaPicture[0] = ExpandPictureChroma_AArch64_neon;
-    pFuncList->pfExpandChromaPicture[1] = ExpandPictureChroma_AArch64_neon;
-  }
-#endif//HAVE_NEON_AARCH64
-}
-
-
-void ExpandReferencingPicture (SPicture* pPic, PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]) {
-  /*local variable*/
-  uint8_t* pPicY	= pPic->pData[0];
-  uint8_t* pPicCb = pPic->pData[1];
-  uint8_t* pPicCr = pPic->pData[2];
-  const int32_t kiWidthY	= pPic->iWidthInPixel;
-  const int32_t kiHeightY	= pPic->iHeightInPixel;
-  const int32_t kiWidthUV	= kiWidthY >> 1;
-  const int32_t kiHeightUV	= kiHeightY >> 1;
-
-
-
-  pExpLuma (pPicY, pPic->iLineSize[0], kiWidthY, kiHeightY);
-  if (kiWidthUV >= 16) {
-    // fix coding picture size as 16x16
-    const bool kbChrAligned = /*(iWidthUV >= 16) && */ ((kiWidthUV & 0x0F) == 0);	// chroma planes: (16+iWidthUV) & 15
-    pExpChrom[kbChrAligned] (pPicCb, pPic->iLineSize[1], kiWidthUV, kiHeightUV);
-    pExpChrom[kbChrAligned] (pPicCr, pPic->iLineSize[2], kiWidthUV, kiHeightUV);
-  } else {
-    // fix coding picture size as 16x16
-    ExpandPictureChroma_c (pPicCb, pPic->iLineSize[1], kiWidthUV, kiHeightUV);
-    ExpandPictureChroma_c (pPicCr, pPic->iLineSize[2], kiWidthUV, kiHeightUV);
-  }
-
-}
-
-}
--- a/codec/encoder/core/src/ref_list_mgr_svc.cpp
+++ b/codec/encoder/core/src/ref_list_mgr_svc.cpp
@@ -378,7 +378,9 @@
     if ((pParamD->iHighestTemporalId == 0) || (kuiTid < pParamD->iHighestTemporalId))
 #endif// !ENABLE_FRAME_DUMP
       // Expanding picture for future reference
-      ExpandReferencingPicture (pCtx->pDecPic, pCtx->pFuncList->pfExpandLumaPicture, pCtx->pFuncList->pfExpandChromaPicture);
+      ExpandReferencingPicture (pCtx->pDecPic->pData, pCtx->pDecPic->iWidthInPixel, pCtx->pDecPic->iHeightInPixel,
+                                pCtx->pDecPic->iLineSize,
+                                pCtx->pFuncList->sExpandPicFunc.pfExpandLumaPicture, pCtx->pFuncList->sExpandPicFunc.pfExpandChromaPicture);
 
     // move picture in list
     pCtx->pDecPic->uiTemporalId = kuiTid;
@@ -720,7 +722,9 @@
     if ((pParamD->iHighestTemporalId == 0) || (kuiTid < pParamD->iHighestTemporalId))
 #endif// !ENABLE_FRAME_DUMP
       // Expanding picture for future reference
-      ExpandReferencingPicture (pCtx->pDecPic, pCtx->pFuncList->pfExpandLumaPicture, pCtx->pFuncList->pfExpandChromaPicture);
+      ExpandReferencingPicture (pCtx->pDecPic->pData, pCtx->pDecPic->iWidthInPixel, pCtx->pDecPic->iHeightInPixel,
+                                pCtx->pDecPic->iLineSize,
+                                pCtx->pFuncList->sExpandPicFunc.pfExpandLumaPicture, pCtx->pFuncList->sExpandPicFunc.pfExpandChromaPicture);
 
     // move picture in list
     pCtx->pDecPic->uiTemporalId =  pCtx->uiTemporalId;
--- a/codec/encoder/targets.mk
+++ b/codec/encoder/targets.mk
@@ -7,7 +7,6 @@
 	$(ENCODER_SRCDIR)/core/src/encoder.cpp\
 	$(ENCODER_SRCDIR)/core/src/encoder_data_tables.cpp\
 	$(ENCODER_SRCDIR)/core/src/encoder_ext.cpp\
-	$(ENCODER_SRCDIR)/core/src/expand_pic.cpp\
 	$(ENCODER_SRCDIR)/core/src/get_intra_predictor.cpp\
 	$(ENCODER_SRCDIR)/core/src/mc.cpp\
 	$(ENCODER_SRCDIR)/core/src/md.cpp\
--- a/test/decoder/DecUT_ExpandPicture.cpp
+++ b/test/decoder/DecUT_ExpandPicture.cpp
@@ -2,6 +2,7 @@
 #include "codec_def.h"
 #include "expand_pic.h"
 #include "mem_align.h"
+#include "decoder_context.h"
 using namespace WelsDec;
 #define EXPAND_PIC_TEST_NUM 10
 namespace WelsDec {
@@ -120,7 +121,7 @@
       }
     }
     H264ExpandPictureLumaAnchor_c (pAnchorDst, iStride, iPicWidth, iPicHeight);
-    sExpandPicFunc.pExpandLumaPicture (pTestDst, iStride, iPicWidth, iPicHeight);
+    sExpandPicFunc.pfExpandLumaPicture (pTestDst, iStride, iPicWidth, iPicHeight);
     EXPECT_EQ (CompareBuff (pAnchorDstBuff, pTestDstBuff, iStride, iPicWidth + H264_PADDING_LENGTH_LUMA * 2,
                             iPicHeight + H264_PADDING_LENGTH_LUMA * 2), true);
 
@@ -155,7 +156,7 @@
       }
     }
     H264ExpandPictureChromaAnchor_c (pAnchorDst, iStride, iPicWidth, iPicHeight);
-    sExpandPicFunc.pExpandChromaPicture[0] (pTestDst, iStride, iPicWidth, iPicHeight);
+    sExpandPicFunc.pfExpandChromaPicture[0] (pTestDst, iStride, iPicWidth, iPicHeight);
     EXPECT_EQ (CompareBuff (pAnchorDstBuff, pTestDstBuff, iStride, iPicWidth + H264_PADDING_LENGTH_CHROMA * 2,
                             iPicHeight + H264_PADDING_LENGTH_CHROMA * 2), true);
 
@@ -199,7 +200,8 @@
     H264ExpandPictureLumaAnchor_c (pPicAnchor->pData[0], iStride, iPicWidth, iPicHeight);
     H264ExpandPictureChromaAnchor_c (pPicAnchor->pData[1], iStrideC, iPicWidth / 2, iPicHeight / 2);
     H264ExpandPictureChromaAnchor_c (pPicAnchor->pData[2], iStrideC, iPicWidth / 2, iPicHeight / 2);
-    ExpandReferencingPicture (sCtx.pDec, sExpandPicFunc.pExpandLumaPicture, sExpandPicFunc.pExpandChromaPicture);
+    ExpandReferencingPicture (sCtx.pDec->pData, sCtx.pDec->iWidthInPixel, sCtx.pDec->iHeightInPixel, sCtx.pDec->iLinesize,
+                              sExpandPicFunc.pfExpandLumaPicture, sExpandPicFunc.pfExpandChromaPicture);
 
     EXPECT_EQ (CompareBuff (pPicAnchor->pBuffer[0], pPicTest->pBuffer[0], iStride, iPicWidth + PADDING_LENGTH * 2,
                             iPicHeight + PADDING_LENGTH * 2), true);
--- a/test/encoder/EncUT_ExpandPic.cpp
+++ b/test/encoder/EncUT_ExpandPic.cpp
@@ -6,36 +6,36 @@
 
 using namespace WelsSVCEnc;
 
-TEST(ExpandPicTest, TestExpandPictureLuma_c) {
+TEST (ExpandPicTest, TestExpandPictureLuma_c) {
   SWelsFuncPtrList sFuncList;
-  InitExpandPictureFunc( &sFuncList, 0 );
+  InitExpandPictureFunc (& (sFuncList.sExpandPicFunc), 0);
 
-  int32_t iPicW = rand()%256 + 1;
-	int32_t iPicH = rand()%256 + 1;
-  int32_t iStride = iPicW + rand()%16 + 1 + PADDING_LENGTH * 2;
+  int32_t iPicW = rand() % 256 + 1;
+  int32_t iPicH = rand() % 256 + 1;
+  int32_t iStride = iPicW + rand() % 16 + 1 + PADDING_LENGTH * 2;
 
   const int32_t kiPaddingLen = PADDING_LENGTH;
-  const int32_t kiMemSize = (iStride+kiPaddingLen*2) * (iPicH+kiPaddingLen*2);
+  const int32_t kiMemSize = (iStride + kiPaddingLen * 2) * (iPicH + kiPaddingLen * 2);
 
-  uint8_t *pRef = new uint8_t[kiMemSize];
+  uint8_t* pRef = new uint8_t[kiMemSize];
 
-  for(int i=0; i<kiMemSize; i++)
-    pRef[i] = rand()%256 + 1;
+  for (int i = 0; i < kiMemSize; i++)
+    pRef[i] = rand() % 256 + 1;
 
-  uint8_t *pDst = pRef + kiPaddingLen * iStride + kiPaddingLen;
+  uint8_t* pDst = pRef + kiPaddingLen * iStride + kiPaddingLen;
 
-  sFuncList.pfExpandLumaPicture(pDst, iStride, iPicW, iPicH);
+  sFuncList.sExpandPicFunc.pfExpandLumaPicture (pDst, iStride, iPicW, iPicH);
 
   int k = 0;
   //top and top corner
-  for (int i=0; i<kiPaddingLen; i++) {
-    for (int j=0; j<iPicW+2*kiPaddingLen; j++) {
+  for (int i = 0; i < kiPaddingLen; i++) {
+    for (int j = 0; j < iPicW + 2 * kiPaddingLen; j++) {
       if (j < kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[0]);
-      } else if (j >= iPicW+kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[iPicW-1]);
+        EXPECT_EQ (pRef[k + j], pDst[0]);
+      } else if (j >= iPicW + kiPaddingLen) {
+        EXPECT_EQ (pRef[k + j], pDst[iPicW - 1]);
       } else
-        EXPECT_EQ(pRef[k+j],pDst[j-kiPaddingLen]);
+        EXPECT_EQ (pRef[k + j], pDst[j - kiPaddingLen]);
     }
     k += iStride;
   }
@@ -42,14 +42,14 @@
 
   k = (iPicH + kiPaddingLen - 1) * iStride;
   //bottom and bottom corner
-  for (int i=iPicH+kiPaddingLen; i<iPicH+2*kiPaddingLen; i++) {
-    for (int j=0; j<iPicW+2*kiPaddingLen; j++) {
+  for (int i = iPicH + kiPaddingLen; i < iPicH + 2 * kiPaddingLen; i++) {
+    for (int j = 0; j < iPicW + 2 * kiPaddingLen; j++) {
       if (j < kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[(iPicH-1) * iStride]);
-      } else if (j >= iPicW+kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[(iPicH-1) * iStride+iPicW-1]);
+        EXPECT_EQ (pRef[k + j], pDst[ (iPicH - 1) * iStride]);
+      } else if (j >= iPicW + kiPaddingLen) {
+        EXPECT_EQ (pRef[k + j], pDst[ (iPicH - 1) * iStride + iPicW - 1]);
       } else
-        EXPECT_EQ(pRef[k+j],pDst[(iPicH-1) * iStride+j-kiPaddingLen]);
+        EXPECT_EQ (pRef[k + j], pDst[ (iPicH - 1) * iStride + j - kiPaddingLen]);
     }
     k += iStride;
   }
@@ -56,9 +56,9 @@
 
   k = kiPaddingLen * iStride;
   int l = 0;
-  for (int i=0; i<iPicH-1; i++)	{ //left
-    for (int j=0; j<kiPaddingLen; j++) {
-      EXPECT_EQ(pRef[k+j],pDst[l]);
+  for (int i = 0; i < iPicH - 1; i++)	{ //left
+    for (int j = 0; j < kiPaddingLen; j++) {
+      EXPECT_EQ (pRef[k + j], pDst[l]);
     }
     k += iStride;
     l += iStride;
@@ -66,9 +66,9 @@
 
   k = kiPaddingLen * iStride;
   l = 0;
-  for (int i=0; i<iPicH-1; i++) { //right
-    for (int j=iPicW+kiPaddingLen; j<iPicW+2*kiPaddingLen; j++) {
-      EXPECT_EQ(pRef[k+j],pDst[l+iPicW-1]);
+  for (int i = 0; i < iPicH - 1; i++) { //right
+    for (int j = iPicW + kiPaddingLen; j < iPicW + 2 * kiPaddingLen; j++) {
+      EXPECT_EQ (pRef[k + j], pDst[l + iPicW - 1]);
     }
     k += iStride;
     l += iStride;
@@ -77,37 +77,37 @@
   delete []pRef;
 }
 
-TEST(ExpandPicTest, TestExpandPictureChroma_c) {
+TEST (ExpandPicTest, TestExpandPictureChroma_c) {
   SWelsFuncPtrList sFuncList;
-  InitExpandPictureFunc( &sFuncList, 0 );
+  InitExpandPictureFunc (& (sFuncList.sExpandPicFunc), 0);
 
-  int32_t iPicW = rand()%256 + 1;
-  int32_t iPicH = rand()%256 + 1;
+  int32_t iPicW = rand() % 256 + 1;
+  int32_t iPicH = rand() % 256 + 1;
 
-  const int32_t kiPaddingLen = (PADDING_LENGTH>>1);
-  int32_t iStride = iPicW + rand()%16 + 1 + kiPaddingLen*2;
+  const int32_t kiPaddingLen = (PADDING_LENGTH >> 1);
+  int32_t iStride = iPicW + rand() % 16 + 1 + kiPaddingLen * 2;
 
-  const int32_t kiMemSize = (iStride+kiPaddingLen*2) * (iPicH+kiPaddingLen*2);
+  const int32_t kiMemSize = (iStride + kiPaddingLen * 2) * (iPicH + kiPaddingLen * 2);
 
-  uint8_t *pRef = new uint8_t[kiMemSize];
+  uint8_t* pRef = new uint8_t[kiMemSize];
 
-  for (int i=0; i<kiMemSize; i++)
-    pRef[i] = rand()%256 + 1;
+  for (int i = 0; i < kiMemSize; i++)
+    pRef[i] = rand() % 256 + 1;
 
-  uint8_t *pDst = pRef + kiPaddingLen * iStride + kiPaddingLen;
+  uint8_t* pDst = pRef + kiPaddingLen * iStride + kiPaddingLen;
 
-  sFuncList.pfExpandChromaPicture[0](pDst,iStride, iPicW, iPicH);
+  sFuncList.sExpandPicFunc.pfExpandChromaPicture[0] (pDst, iStride, iPicW, iPicH);
 
   int k = 0;
   //top and top corner
-  for (int i=0; i<kiPaddingLen; i++) {
-    for (int j=0; j<iPicW+2*kiPaddingLen; j++) {
+  for (int i = 0; i < kiPaddingLen; i++) {
+    for (int j = 0; j < iPicW + 2 * kiPaddingLen; j++) {
       if (j < kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[0]);
-      } else if (j >= iPicW+kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[iPicW-1]);
+        EXPECT_EQ (pRef[k + j], pDst[0]);
+      } else if (j >= iPicW + kiPaddingLen) {
+        EXPECT_EQ (pRef[k + j], pDst[iPicW - 1]);
       } else
-        EXPECT_EQ(pRef[k+j],pDst[j-kiPaddingLen]);
+        EXPECT_EQ (pRef[k + j], pDst[j - kiPaddingLen]);
     }
     k += iStride;
   }
@@ -114,23 +114,23 @@
 
   k = (iPicH + kiPaddingLen - 1) * iStride;
   //bottom and bottom corner
-  for (int i=iPicH+kiPaddingLen; i<iPicH+2*kiPaddingLen; i++) {
-    for (int j=0; j<iPicW+2*kiPaddingLen; j++) {
+  for (int i = iPicH + kiPaddingLen; i < iPicH + 2 * kiPaddingLen; i++) {
+    for (int j = 0; j < iPicW + 2 * kiPaddingLen; j++) {
       if (j < kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[(iPicH-1) * iStride]);
-      } else if (j >= iPicW+kiPaddingLen) {
-        EXPECT_EQ(pRef[k+j],pDst[(iPicH-1) * iStride + iPicW - 1]);
+        EXPECT_EQ (pRef[k + j], pDst[ (iPicH - 1) * iStride]);
+      } else if (j >= iPicW + kiPaddingLen) {
+        EXPECT_EQ (pRef[k + j], pDst[ (iPicH - 1) * iStride + iPicW - 1]);
       } else
-        EXPECT_EQ(pRef[k+j],pDst[(iPicH-1) * iStride + j - kiPaddingLen]);
+        EXPECT_EQ (pRef[k + j], pDst[ (iPicH - 1) * iStride + j - kiPaddingLen]);
     }
     k += iStride;
   }
 
   k = kiPaddingLen * iStride;
-  int l=0;
-  for (int i=0; i<iPicH-1; i++)	{ //left
-    for (int j=0; j<kiPaddingLen; j++) {
-      EXPECT_EQ(pRef[k+j],pDst[l]);
+  int l = 0;
+  for (int i = 0; i < iPicH - 1; i++)	{ //left
+    for (int j = 0; j < kiPaddingLen; j++) {
+      EXPECT_EQ (pRef[k + j], pDst[l]);
     }
     k += iStride;
     l += iStride;
@@ -138,9 +138,9 @@
 
   k = kiPaddingLen * iStride;
   l = 0;
-  for (int i=0; i<iPicH-1; i++)	{ //right
-    for (int j=iPicW+kiPaddingLen; j<iPicW+2*kiPaddingLen; j++) {
-      EXPECT_EQ(pRef[k+j],pDst[l+iPicW-1]);
+  for (int i = 0; i < iPicH - 1; i++)	{ //right
+    for (int j = iPicW + kiPaddingLen; j < iPicW + 2 * kiPaddingLen; j++) {
+      EXPECT_EQ (pRef[k + j], pDst[l + iPicW - 1]);
     }
     k += iStride;
     l += iStride;