shithub: openh264

Download patch

ref: 08f66e52a071bf66edc7a3a03b3e2e959c610c6f
parent: 1fa1d2f1c158f322855fb2ecdb7ba73a9f07947a
parent: 4af37a7d21d7e8013a39ab9af9ac8609aaed56a0
author: ruil2 <[email protected]>
date: Tue Jul 1 04:53:44 EDT 2014

Merge pull request #1046 from mstorsjo/share-tables

Share some tables and definitions between the encoder and decoder

--- a/codec/build/iOS/common/common.xcodeproj/project.pbxproj
+++ b/codec/build/iOS/common/common.xcodeproj/project.pbxproj
@@ -18,6 +18,7 @@
 		4CC61F0918FF6B4B00E56EAB /* copy_mb_neon.S in Sources */ = {isa = PBXBuildFile; fileRef = 4CC61F0818FF6B4B00E56EAB /* copy_mb_neon.S */; };
 		4CE443D918B722CD0017DF25 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4CE443D818B722CD0017DF25 /* Foundation.framework */; };
 		53C1C9BC193F0FB000404D8F /* expand_pic.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 53C1C9BB193F0FB000404D8F /* expand_pic.cpp */; };
+		5BA8F2C019603F5F00011CE4 /* common_tables.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5BA8F2BF19603F5F00011CE4 /* common_tables.cpp */; };
 		F0B204F918FD23BF005DA23F /* copy_mb.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F0B204F818FD23BF005DA23F /* copy_mb.cpp */; };
 		F556A8241906673900E156A8 /* arm_arch64_common_macro.S in Sources */ = {isa = PBXBuildFile; fileRef = F556A8221906673900E156A8 /* arm_arch64_common_macro.S */; };
 		F556A8251906673900E156A8 /* expand_picture_aarch64_neon.S in Sources */ = {isa = PBXBuildFile; fileRef = F556A8231906673900E156A8 /* expand_picture_aarch64_neon.S */; };
@@ -63,6 +64,8 @@
 		4CE443E918B722CD0017DF25 /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = Library/Frameworks/UIKit.framework; sourceTree = DEVELOPER_DIR; };
 		53C1C9BA193F0F9E00404D8F /* expand_pic.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = expand_pic.h; sourceTree = "<group>"; };
 		53C1C9BB193F0FB000404D8F /* expand_pic.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = expand_pic.cpp; sourceTree = "<group>"; };
+		5BA8F2BE19603F3500011CE4 /* wels_common_defs.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = wels_common_defs.h; sourceTree = "<group>"; };
+		5BA8F2BF19603F5F00011CE4 /* common_tables.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = common_tables.cpp; sourceTree = "<group>"; };
 		F0B204F718FD23B6005DA23F /* copy_mb.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = copy_mb.h; sourceTree = "<group>"; };
 		F0B204F818FD23BF005DA23F /* copy_mb.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = copy_mb.cpp; sourceTree = "<group>"; };
 		F556A8221906673900E156A8 /* arm_arch64_common_macro.S */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.asm; name = arm_arch64_common_macro.S; path = arm64/arm_arch64_common_macro.S; sourceTree = "<group>"; };
@@ -112,6 +115,7 @@
 				4C3406BF18D96EA600DFA14A /* mc_common.h */,
 				4C3406C018D96EA600DFA14A /* measure_time.h */,
 				4C3406C118D96EA600DFA14A /* typedefs.h */,
+				5BA8F2BE19603F3500011CE4 /* wels_common_defs.h */,
 				4C3406C218D96EA600DFA14A /* WelsThreadLib.h */,
 			);
 			path = inc;
@@ -120,6 +124,7 @@
 		4C3406C318D96EA600DFA14A /* src */ = {
 			isa = PBXGroup;
 			children = (
+				5BA8F2BF19603F5F00011CE4 /* common_tables.cpp */,
 				F0B204F818FD23BF005DA23F /* copy_mb.cpp */,
 				FAABAA1718E9354A00D4186F /* sad_common.cpp */,
 				4C3406C418D96EA600DFA14A /* cpu.cpp */,
@@ -237,6 +242,7 @@
 				F5AC94FF193EB7D800F58154 /* deblocking_aarch64_neon.S in Sources */,
 				4C3406CE18D96EA600DFA14A /* crt_util_safe_x.cpp in Sources */,
 				4C3406CF18D96EA600DFA14A /* deblocking_common.cpp in Sources */,
+				5BA8F2C019603F5F00011CE4 /* common_tables.cpp in Sources */,
 				4C3406D118D96EA600DFA14A /* WelsThreadLib.cpp in Sources */,
 				4C3406CC18D96EA600DFA14A /* mc_neon.S in Sources */,
 				4C3406CB18D96EA600DFA14A /* expand_picture_neon.S in Sources */,
--- a/codec/build/win32/dec/WelsDecCore.vcproj
+++ b/codec/build/win32/dec/WelsDecCore.vcproj
@@ -830,6 +830,10 @@
 					>
 				</File>
 				<File
+					RelativePath="..\..\..\common\inc\wels_common_defs.h"
+					>
+				</File>
+				<File
 					RelativePath="..\..\..\decoder\core\inc\wels_const.h"
 					>
 				</File>
@@ -844,6 +848,10 @@
 				</File>
 				<File
 					RelativePath="..\..\..\decoder\core\src\bit_stream.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\..\common\src\common_tables.cpp"
 					>
 				</File>
 				<File
--- a/codec/build/win32/enc/WelsEncCore.vcproj
+++ b/codec/build/win32/enc/WelsEncCore.vcproj
@@ -346,6 +346,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\..\..\common\src\common_tables.cpp"
+				>
+			</File>
+			<File
 				RelativePath="..\..\..\common\src\copy_mb.cpp"
 				>
 			</File>
@@ -708,6 +712,10 @@
 			</File>
 			<File
 				RelativePath="..\..\..\encoder\core\inc\wels_common_basis.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\..\encoder\core\inc\wels_common_defs.h"
 				>
 			</File>
 			<File
--- /dev/null
+++ b/codec/common/inc/wels_common_defs.h
@@ -1,0 +1,232 @@
+/*!
+ * \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.
+ *
+ */
+
+//wels_common_defs.h
+#ifndef WELS_COMMON_DEFS_H__
+#define WELS_COMMON_DEFS_H__
+
+#include "typedefs.h"
+#include "macros.h"
+
+
+
+namespace WelsCommon {
+/*common use table*/
+
+extern const uint8_t g_kuiMbCountScan4Idx[24];
+extern const uint8_t g_kuiCache30ScanIdx[16];
+extern const uint8_t g_kuiCache48CountScan4Idx[24];
+
+extern const  ALIGNED_DECLARE (uint16_t, g_kuiDequantCoeff[52][8], 16);
+extern const uint8_t g_kuiChromaQpTable[52];
+
+/*
+ *	NAL Unit Type (5 Bits)
+ */
+enum EWelsNalUnitType {
+NAL_UNIT_UNSPEC_0			= 0,
+NAL_UNIT_CODED_SLICE		= 1,
+NAL_UNIT_CODED_SLICE_DPA	= 2,
+NAL_UNIT_CODED_SLICE_DPB	= 3,
+NAL_UNIT_CODED_SLICE_DPC	= 4,
+NAL_UNIT_CODED_SLICE_IDR	= 5,
+NAL_UNIT_SEI				= 6,
+NAL_UNIT_SPS				= 7,
+NAL_UNIT_PPS				= 8,
+NAL_UNIT_AU_DELIMITER		= 9,
+NAL_UNIT_END_OF_SEQ			= 10,
+NAL_UNIT_END_OF_STR			= 11,
+NAL_UNIT_FILLER_DATA		= 12,
+NAL_UNIT_SPS_EXT			= 13,
+NAL_UNIT_PREFIX				= 14,
+NAL_UNIT_SUBSET_SPS			= 15,
+NAL_UNIT_RESV_16			= 16,
+NAL_UNIT_RESV_17			= 17,
+NAL_UNIT_RESV_18			= 18,
+NAL_UNIT_AUX_CODED_SLICE	= 19,
+NAL_UNIT_CODED_SLICE_EXT	= 20,
+NAL_UNIT_RESV_21			= 21,
+NAL_UNIT_RESV_22			= 22,
+NAL_UNIT_RESV_23			= 23,
+NAL_UNIT_UNSPEC_24			= 24,
+NAL_UNIT_UNSPEC_25			= 25,
+NAL_UNIT_UNSPEC_26			= 26,
+NAL_UNIT_UNSPEC_27			= 27,
+NAL_UNIT_UNSPEC_28			= 28,
+NAL_UNIT_UNSPEC_29			= 29,
+NAL_UNIT_UNSPEC_30			= 30,
+NAL_UNIT_UNSPEC_31			= 31
+};
+
+/*
+ *	NAL Reference IDC (2 Bits)
+ */
+
+enum EWelsNalRefIdc {
+NRI_PRI_LOWEST	= 0,
+NRI_PRI_LOW		= 1,
+NRI_PRI_HIGH	= 2,
+NRI_PRI_HIGHEST	= 3
+};
+
+/*
+ * VCL TYPE
+ */
+
+enum EVclType {
+NON_VCL			= 0,
+VCL				= 1,
+NOT_APP			= 2
+};
+
+/*
+ *	vcl type map for given NAL unit type and corresponding H264 type (0: AVC; 1: SVC).
+ */
+extern const EVclType g_keTypeMap[32][2];
+
+#define IS_VCL_NAL(t, ext_idx)			(g_keTypeMap[t][ext_idx] == VCL)
+#define IS_PARAM_SETS_NALS(t)			( (t) == NAL_UNIT_SPS || (t) == NAL_UNIT_PPS || (t) == NAL_UNIT_SUBSET_SPS )
+#define IS_SPS_NAL(t)					( (t) == NAL_UNIT_SPS )
+#define IS_SUBSET_SPS_NAL(t)			( (t) == NAL_UNIT_SUBSET_SPS )
+#define IS_PPS_NAL(t)					( (t) == NAL_UNIT_PPS )
+#define IS_SEI_NAL(t)					( (t) == NAL_UNIT_SEI )
+#define IS_PREFIX_NAL(t)				( (t) == NAL_UNIT_PREFIX )
+#define IS_SUBSET_SPS_USED(t)			( (t) == NAL_UNIT_SUBSET_SPS || (t) == NAL_UNIT_CODED_SLICE_EXT )
+#define IS_VCL_NAL_AVC_BASE(t)			( (t) == NAL_UNIT_CODED_SLICE || (t) == NAL_UNIT_CODED_SLICE_IDR )
+#define IS_NEW_INTRODUCED_SVC_NAL(t)	( (t) == NAL_UNIT_PREFIX || (t) == NAL_UNIT_CODED_SLICE_EXT )
+
+
+/* Base SSlice Types
+ * Invalid in case of eSliceType exceeds 9,
+ * Need trim when eSliceType > 4 as fixed SliceType(eSliceType-4),
+ * meaning mapped version after eSliceType minus 4.
+ */
+
+enum EWelsSliceType {
+P_SLICE	= 0,
+B_SLICE	= 1,
+I_SLICE	= 2,
+SP_SLICE = 3,
+SI_SLICE = 4,
+UNKNOWN_SLICE = 5
+};
+
+/* SSlice Types in scalable extension */		;
+enum ESliceTypeExt {
+EP_SLICE = 0,	// EP_SLICE: 0, 5
+EB_SLICE = 1,	// EB_SLICE: 1, 6
+EI_SLICE = 2	// EI_SLICE: 2, 7
+};
+
+/* List Index */
+enum EListIndex {
+LIST_0	= 0,
+LIST_1	= 1,
+LIST_A	= 2
+};
+
+
+
+/* Motion Vector components */
+enum EMvComp {
+MV_X	= 0,
+MV_Y	= 1,
+MV_A	= 2
+};
+
+/* Chroma Components */
+
+enum EChromaComp {
+CHROMA_CB	= 0,
+CHROMA_CR	= 1,
+CHROMA_A	= 2
+};
+
+
+
+/*
+ *	Memory Management Control Operation (MMCO) code
+ */
+enum EMmcoCode {
+MMCO_END			= 0,
+MMCO_SHORT2UNUSED	= 1,
+MMCO_LONG2UNUSED	= 2,
+MMCO_SHORT2LONG		= 3,
+MMCO_SET_MAX_LONG	= 4,
+MMCO_RESET			= 5,
+MMCO_LONG			= 6
+};
+
+/////////intra16x16  Luma
+#define I16_PRED_INVALID   -1
+#define I16_PRED_V       0
+#define I16_PRED_H       1
+#define I16_PRED_DC      2
+#define I16_PRED_P       3
+
+#define I16_PRED_DC_L    4
+#define I16_PRED_DC_T    5
+#define I16_PRED_DC_128  6
+#define I16_PRED_DC_A  7
+//////////intra4x4   Luma
+#define I4_PRED_INVALID    0
+#define I4_PRED_V        0
+#define I4_PRED_H        1
+#define I4_PRED_DC       2
+#define I4_PRED_DDL      3 //diagonal_down_left
+#define I4_PRED_DDR      4 //diagonal_down_right
+#define I4_PRED_VR       5 //vertical_right
+#define I4_PRED_HD       6 //horizon_down
+#define I4_PRED_VL       7 //vertical_left
+#define I4_PRED_HU       8 //horizon_up
+
+#define I4_PRED_DC_L     9
+#define I4_PRED_DC_T     10
+#define I4_PRED_DC_128   11
+
+#define I4_PRED_DDL_TOP  12 //right-top replacing by padding rightmost pixel of top
+#define I4_PRED_VL_TOP   13 //right-top replacing by padding rightmost pixel of top
+#define I4_PRED_A   14
+
+//////////intra Chroma
+#define C_PRED_INVALID   -1
+#define C_PRED_DC        0
+#define C_PRED_H         1
+#define C_PRED_V         2
+#define C_PRED_P         3
+
+#define C_PRED_DC_L      4
+#define C_PRED_DC_T      5
+#define C_PRED_DC_128    6
+#define C_PRED_A    7
+}
+#endif//WELS_COMMON_DEFS_H__
--- /dev/null
+++ b/codec/common/src/common_tables.cpp
@@ -1,0 +1,153 @@
+/*!
+ * \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 "wels_common_defs.h"
+
+namespace WelsCommon {
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+//////pNonZeroCount[16+8] mapping scan index
+const uint8_t g_kuiMbCountScan4Idx[24] = {
+  //  0   1 | 4  5      luma 8*8 block           pNonZeroCount[16+8]
+  0,  1,  4,  5,   //  2   3 | 6  7        0  |  1                  0   1   2   3
+  2,  3,  6,  7,   //---------------      ---------                 4   5   6   7
+  8,  9, 12, 13,   //  8   9 | 12 13       2  |  3                  8   9  10  11
+  10, 11, 14, 15,   // 10  11 | 14 15-----------------------------> 12  13  14  15
+  16, 17, 20, 21,   //----------------    chroma 8*8 block          16  17  18  19
+  18, 19, 22, 23   // 16  17 | 20 21        0    1                 20  21  22  23
+};
+
+const uint8_t g_kuiCache48CountScan4Idx[24] = {
+  /* Luma */
+  9, 10, 17, 18,	// 1+1*8, 2+1*8, 1+2*8, 2+2*8,
+  11, 12, 19, 20,	// 3+1*8, 4+1*8, 3+2*8, 4+2*8,
+  25, 26, 33, 34,	// 1+3*8, 2+3*8, 1+4*8, 2+4*8,
+  27, 28, 35, 36,	// 3+3*8, 4+3*8, 3+4*8, 4+4*8,
+  /* Cb */
+  14, 15,			// 6+1*8, 7+1*8,
+  22, 23,			// 6+2*8, 7+2*8,
+
+  /* Cr */
+  38, 39,			// 6+4*8, 7+4*8,
+  46, 47,			// 6+5*8, 7+5*8,
+};
+
+
+//cache element equal to 30
+const uint8_t g_kuiCache30ScanIdx[16] = { //mv or uiRefIndex cache scan index, 4*4 block as basic unit
+  7,  8, 13, 14,
+  9, 10, 15, 16,
+  19, 20, 25, 26,
+  21, 22, 27, 28
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// extern at wels_common_defs.h
+const uint8_t g_kuiChromaQpTable[52] = {
+  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
+  12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+  28, 29, 29, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 36, 37, 37,
+  37, 38, 38, 38, 39, 39, 39, 39
+};
+
+/*
+ *	vcl type map for given NAL unit type and corresponding H264 type (0: AVC; 1: SVC).
+ */
+const EVclType g_keTypeMap[32][2] = {
+  { NON_VCL,	NON_VCL },	// 0: NAL_UNIT_UNSPEC_0
+  { VCL,		VCL,	},	// 1: NAL_UNIT_CODED_SLICE
+  { VCL,		NOT_APP },	// 2: NAL_UNIT_CODED_SLICE_DPA
+  { VCL,		NOT_APP },	// 3: NAL_UNIT_CODED_SLICE_DPB
+  { VCL,		NOT_APP },	// 4: NAL_UNIT_CODED_SLICE_DPC
+  { VCL,		VCL		},	// 5: NAL_UNIT_CODED_SLICE_IDR
+  { NON_VCL,	NON_VCL },	// 6: NAL_UNIT_SEI
+  { NON_VCL,	NON_VCL },	// 7: NAL_UNIT_SPS
+  { NON_VCL,	NON_VCL },	// 8: NAL_UNIT_PPS
+  { NON_VCL,	NON_VCL },	// 9: NAL_UNIT_AU_DELIMITER
+  { NON_VCL,	NON_VCL },	// 10: NAL_UNIT_END_OF_SEQ
+  { NON_VCL,	NON_VCL },	// 11: NAL_UNIT_END_OF_STR
+  { NON_VCL,	NON_VCL	},	// 12: NAL_UNIT_FILLER_DATA
+  { NON_VCL,	NON_VCL },	// 13: NAL_UNIT_SPS_EXT
+  { NON_VCL,	NON_VCL },	// 14: NAL_UNIT_PREFIX, NEED associate succeeded NAL to make a VCL
+  { NON_VCL,	NON_VCL },	// 15: NAL_UNIT_SUBSET_SPS
+  { NON_VCL,	NON_VCL },	// 16: NAL_UNIT_RESV_16
+  { NON_VCL,	NON_VCL },	// 17: NAL_UNIT_RESV_17
+  { NON_VCL,	NON_VCL },	// 18: NAL_UNIT_RESV_18
+  { NON_VCL,	NON_VCL },	// 19: NAL_UNIT_AUX_CODED_SLICE
+  { NON_VCL,	VCL		},	// 20: NAL_UNIT_CODED_SLICE_EXT
+  { NON_VCL,	NON_VCL },	// 21: NAL_UNIT_RESV_21
+  { NON_VCL,	NON_VCL },	// 22: NAL_UNIT_RESV_22
+  { NON_VCL,	NON_VCL },	// 23: NAL_UNIT_RESV_23
+  { NON_VCL,	NON_VCL },	// 24: NAL_UNIT_UNSPEC_24
+  { NON_VCL,	NON_VCL },	// 25: NAL_UNIT_UNSPEC_25
+  { NON_VCL,	NON_VCL },	// 26: NAL_UNIT_UNSPEC_26
+  { NON_VCL,	NON_VCL	},	// 27: NAL_UNIT_UNSPEC_27
+  { NON_VCL,	NON_VCL },	// 28: NAL_UNIT_UNSPEC_28
+  { NON_VCL,	NON_VCL },	// 29: NAL_UNIT_UNSPEC_29
+  { NON_VCL,	NON_VCL },	// 30: NAL_UNIT_UNSPEC_30
+  { NON_VCL,	NON_VCL }	// 31: NAL_UNIT_UNSPEC_31
+};
+
+ALIGNED_DECLARE (const uint16_t, g_kuiDequantCoeff[52][8], 16) = {
+  /* 0*/{   10,   13,   10,   13,   13,   16,   13,   16 },	/* 1*/{   11,   14,   11,   14,   14,   18,   14,   18 },
+  /* 2*/{   13,   16,   13,   16,   16,   20,   16,   20 },	/* 3*/{   14,   18,   14,   18,   18,   23,   18,   23 },
+  /* 4*/{   16,   20,   16,   20,   20,   25,   20,   25 },	/* 5*/{   18,   23,   18,   23,   23,   29,   23,   29 },
+  /* 6*/{   20,   26,   20,   26,   26,   32,   26,   32 },	/* 7*/{   22,   28,   22,   28,   28,   36,   28,   36 },
+  /* 8*/{   26,   32,   26,   32,   32,   40,   32,   40 },	/* 9*/{   28,   36,   28,   36,   36,   46,   36,   46 },
+  /*10*/{   32,   40,   32,   40,   40,   50,   40,   50 },	/*11*/{   36,   46,   36,   46,   46,   58,   46,   58 },
+  /*12*/{   40,   52,   40,   52,   52,   64,   52,   64 },	/*13*/{   44,   56,   44,   56,   56,   72,   56,   72 },
+  /*14*/{   52,   64,   52,   64,   64,   80,   64,   80 },	/*15*/{   56,   72,   56,   72,   72,   92,   72,   92 },
+  /*16*/{   64,   80,   64,   80,   80,  100,   80,  100 },	/*17*/{   72,   92,   72,   92,   92,  116,   92,  116 },
+  /*18*/{   80,  104,   80,  104,  104,  128,  104,  128 },	/*19*/{   88,  112,   88,  112,  112,  144,  112,  144 },
+  /*20*/{  104,  128,  104,  128,  128,  160,  128,  160 },	/*21*/{  112,  144,  112,  144,  144,  184,  144,  184 },
+  /*22*/{  128,  160,  128,  160,  160,  200,  160,  200 },	/*23*/{  144,  184,  144,  184,  184,  232,  184,  232 },
+  /*24*/{  160,  208,  160,  208,  208,  256,  208,  256 },	/*25*/{  176,  224,  176,  224,  224,  288,  224,  288 },
+  /*26*/{  208,  256,  208,  256,  256,  320,  256,  320 },	/*27*/{  224,  288,  224,  288,  288,  368,  288,  368 },
+  /*28*/{  256,  320,  256,  320,  320,  400,  320,  400 },	/*29*/{  288,  368,  288,  368,  368,  464,  368,  464 },
+  /*30*/{  320,  416,  320,  416,  416,  512,  416,  512 },	/*31*/{  352,  448,  352,  448,  448,  576,  448,  576 },
+  /*32*/{  416,  512,  416,  512,  512,  640,  512,  640 },	/*33*/{  448,  576,  448,  576,  576,  736,  576,  736 },
+  /*34*/{  512,  640,  512,  640,  640,  800,  640,  800 },	/*35*/{  576,  736,  576,  736,  736,  928,  736,  928 },
+  /*36*/{  640,  832,  640,  832,  832, 1024,  832, 1024 },	/*37*/{  704,  896,  704,  896,  896, 1152,  896, 1152 },
+  /*38*/{  832, 1024,  832, 1024, 1024, 1280, 1024, 1280 },	/*39*/{  896, 1152,  896, 1152, 1152, 1472, 1152, 1472 },
+  /*40*/{ 1024, 1280, 1024, 1280, 1280, 1600, 1280, 1600 },	/*41*/{ 1152, 1472, 1152, 1472, 1472, 1856, 1472, 1856 },
+  /*42*/{ 1280, 1664, 1280, 1664, 1664, 2048, 1664, 2048 },	/*43*/{ 1408, 1792, 1408, 1792, 1792, 2304, 1792, 2304 },
+  /*44*/{ 1664, 2048, 1664, 2048, 2048, 2560, 2048, 2560 },	/*45*/{ 1792, 2304, 1792, 2304, 2304, 2944, 2304, 2944 },
+  /*46*/{ 2048, 2560, 2048, 2560, 2560, 3200, 2560, 3200 },	/*47*/{ 2304, 2944, 2304, 2944, 2944, 3712, 2944, 3712 },
+  /*48*/{ 2560, 3328, 2560, 3328, 3328, 4096, 3328, 4096 },	/*49*/{ 2816, 3584, 2816, 3584, 3584, 4608, 3584, 4608 },
+  /*50*/{ 3328, 4096, 3328, 4096, 4096, 5120, 4096, 5120 },	/*51*/{ 3584, 4608, 3584, 4608, 4608, 5888, 4608, 5888 },
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+}
--- a/codec/common/targets.mk
+++ b/codec/common/targets.mk
@@ -1,5 +1,6 @@
 COMMON_SRCDIR=codec/common
 COMMON_CPP_SRCS=\
+	$(COMMON_SRCDIR)/src/common_tables.cpp\
 	$(COMMON_SRCDIR)/src/copy_mb.cpp\
 	$(COMMON_SRCDIR)/src/cpu.cpp\
 	$(COMMON_SRCDIR)/src/crt_util_safe_x.cpp\
--- a/codec/decoder/core/inc/decoder_context.h
+++ b/codec/decoder/core/inc/decoder_context.h
@@ -111,7 +111,7 @@
 typedef struct tagDeblockingFilter {
 uint8_t*	pCsData[3];	// pointer to reconstructed picture data
 int32_t	iCsStride[2];	// Cs stride
-ESliceType  eSliceType;
+EWelsSliceType  eSliceType;
 int8_t	iSliceAlphaC0Offset;
 int8_t	iSliceBetaOffset;
 int8_t  iChromaQP;
@@ -184,7 +184,7 @@
 
 // Derived common elements
 SNalUnitHeader		sCurNalHead;
-ESliceType			eSliceType;			// Slice type
+EWelsSliceType			eSliceType;			// Slice type
 int32_t				iFrameNum;
 int32_t				iPrevFrameNum;		// frame number of previous frame well decoded for non-truncated mode yet
 bool              bLastHasMmco5;      //
--- a/codec/decoder/core/inc/mb_cache.h
+++ b/codec/decoder/core/inc/mb_cache.h
@@ -57,11 +57,6 @@
 
 ////////////////////////mapping scan index////////////////////////
 
-// for data sharing cross modules and try to reduce size of binary generated
-extern const uint8_t g_kuiMbNonZeroCountIdx[24];
-extern const uint8_t g_kuiCache30ScanIdx[16];
-extern const uint8_t g_kuiCacheNzcScanIdx[24];
-
 extern const uint8_t g_kuiScan4[16];
 
 typedef struct TagNeighborAvail {
--- a/codec/decoder/core/inc/nal_prefix.h
+++ b/codec/decoder/core/inc/nal_prefix.h
@@ -46,7 +46,7 @@
 typedef struct TagNalUnitHeader {
 uint8_t		    uiForbiddenZeroBit;
 uint8_t		    uiNalRefIdc;
-ENalUnitType    eNalUnitType;
+EWelsNalUnitType    eNalUnitType;
 uint8_t		    uiReservedOneByte;		// only padding usage
 } SNalUnitHeader, *PNalUnitHeader;
 
--- a/codec/decoder/core/inc/slice.h
+++ b/codec/decoder/core/inc/slice.h
@@ -130,7 +130,7 @@
 SRefPicMarking		sRefMarking;	// Decoded reference picture marking syntaxs
 
 uint16_t    uiIdrPicId;
-ESliceType	eSliceType;
+EWelsSliceType	eSliceType;
 bool		bNumRefIdxActiveOverrideFlag;
 bool		bFieldPicFlag;		//not supported in base profile
 bool		bBottomFiledFlag;		//not supported in base profile
--- a/codec/decoder/core/inc/wels_common_basis.h
+++ b/codec/decoder/core/inc/wels_common_basis.h
@@ -37,17 +37,16 @@
 #include "typedefs.h"
 #include "macros.h"
 
-namespace WelsDec {
+#include "wels_common_defs.h"
 
-// for data sharing cross modules and try to reduce size of binary generated
+using namespace WelsCommon;
 
-extern const uint8_t g_kuiChromaQp[52];
+namespace WelsDec {
 
 /*common use table*/
 extern const uint8_t g_kuiScan8[24];
 extern const uint8_t g_kuiLumaDcZigzagScan[16];
 extern const uint8_t g_kuiChromaDcScan[4];
-extern ALIGNED_DECLARE (const uint16_t, g_kuiDequantCoeff[52][8], 16);
 /* Profile IDC */
 typedef uint8_t		ProfileIdc;
 enum {
@@ -64,105 +63,6 @@
 PRO_SCALABLE_HIGH		= 86,
 };
 
-/*
- *	NAL Unit Type (5 Bits)
- */
-typedef enum TagNalUnitType {
-NAL_UNIT_UNSPEC_0			= 0,
-NAL_UNIT_CODED_SLICE		= 1,
-NAL_UNIT_CODED_SLICE_DPA	= 2,
-NAL_UNIT_CODED_SLICE_DPB	= 3,
-NAL_UNIT_CODED_SLICE_DPC	= 4,
-NAL_UNIT_CODED_SLICE_IDR	= 5,
-NAL_UNIT_SEI				= 6,
-NAL_UNIT_SPS				= 7,
-NAL_UNIT_PPS				= 8,
-NAL_UNIT_AU_DELIMITER		= 9,
-NAL_UNIT_END_OF_SEQ			= 10,
-NAL_UNIT_END_OF_STR			= 11,
-NAL_UNIT_FILLER_DATA		= 12,
-NAL_UNIT_SPS_EXT			= 13,
-NAL_UNIT_PREFIX				= 14,
-NAL_UNIT_SUBSET_SPS			= 15,
-NAL_UNIT_RESV_16			= 16,
-NAL_UNIT_RESV_17			= 17,
-NAL_UNIT_RESV_18			= 18,
-NAL_UNIT_AUX_CODED_SLICE	= 19,
-NAL_UNIT_CODED_SLICE_EXT	= 20,
-NAL_UNIT_RESV_21			= 21,
-NAL_UNIT_RESV_22			= 22,
-NAL_UNIT_RESV_23			= 23,
-NAL_UNIT_UNSPEC_24			= 24,
-NAL_UNIT_UNSPEC_25			= 25,
-NAL_UNIT_UNSPEC_26			= 26,
-NAL_UNIT_UNSPEC_27			= 27,
-NAL_UNIT_UNSPEC_28			= 28,
-NAL_UNIT_UNSPEC_29			= 29,
-NAL_UNIT_UNSPEC_30			= 30,
-NAL_UNIT_UNSPEC_31			= 31
-} ENalUnitType;
-
-static const uint8_t g_kuiEmulationPreventionThreeByte	= 0x03;
-
-/*
- *	NAL Reference IDC (2 Bits)
- */
-typedef uint8_t		NalRefIdc;
-enum {
-NRI_PRI_LOWEST	= 0,
-NRI_PRI_LOW		= 1,
-NRI_PRI_HIGH	= 2,
-NRI_PRI_HIGHEST	= 3
-};
-
-/*
- * VCL TYPE
- */
-typedef uint8_t		VclType;
-enum {
-NON_VCL			= 0,
-VCL				= 1,
-NOT_APP			= 2
-};
-
-/*
- *	vcl type map for given NAL unit type and corresponding H264 type
- */
-extern const VclType g_kuiVclTypeMap[32][2];
-
-#define IS_VCL_NAL(t, ext_idx)			(g_kuiVclTypeMap[t][ext_idx] == VCL)
-#define IS_PARAM_SETS_NALS(t)			( (t) == NAL_UNIT_SPS || (t) == NAL_UNIT_PPS || (t) == NAL_UNIT_SUBSET_SPS )
-#define IS_SPS_NAL(t)					( (t) == NAL_UNIT_SPS )
-#define IS_SUBSET_SPS_NAL(t)			( (t) == NAL_UNIT_SUBSET_SPS )
-#define IS_PPS_NAL(t)					( (t) == NAL_UNIT_PPS )
-#define IS_SEI_NAL(t)					( (t) == NAL_UNIT_SEI )
-#define IS_PREFIX_NAL(t)				( (t) == NAL_UNIT_PREFIX )
-#define IS_SUBSET_SPS_USED(t)			( (t) == NAL_UNIT_SUBSET_SPS || (t) == NAL_UNIT_CODED_SLICE_EXT )
-#define IS_VCL_NAL_AVC_BASE(t)			( (t) == NAL_UNIT_CODED_SLICE || (t) == NAL_UNIT_CODED_SLICE_IDR )
-#define IS_NEW_INTRODUCED_NAL(t)	( (t) == NAL_UNIT_PREFIX || (t) == NAL_UNIT_CODED_SLICE_EXT )
-
-/* Base Slice Types
- * Invalid in case of eSliceType exceeds 9,
- * Need trim when eSliceType > 4 as fixed SliceType(eSliceType-4),
- * meaning mapped version after eSliceType minus 4.
- */
-typedef enum TagSliceType {
-P_SLICE	= 0,
-B_SLICE	= 1,
-I_SLICE	= 2,
-SP_SLICE = 3,
-SI_SLICE = 4,
-UNKNOWN_SLICE = 5
-} ESliceType;
-
-/* List Index */
-typedef uint8_t		ListIndex;
-enum {
-LIST_0	= 0,
-LIST_1	= 1,
-LIST_A	= 2
-};
-
 /* Picture Size */
 typedef struct TagPictureSize {
 int32_t	iWidth;
@@ -169,22 +69,7 @@
 int32_t iHeight;
 } SPictureSize;
 
-/* Motion Vector components */
-typedef uint8_t		MvComp;
-enum {
-MV_X	= 0,
-MV_Y	= 1,
-MV_A	= 2
-};
 
-/* Chroma Components */
-typedef uint8_t		ChromaComp;
-enum {
-CHROMA_CB	= 0,
-CHROMA_CR	= 1,
-CHROMA_A	= 2
-};
-
 /* Position Offset structure */
 typedef struct TagPosOffset {
 int32_t	iLeftOffset;
@@ -233,55 +118,7 @@
 #define IS_I_BL(type) ( (type) == MB_TYPE_INTRA_BL )
 #define IS_SUB8x8(type) (MB_TYPE_8x8 == (type) || MB_TYPE_8x8_REF0 == (type))
 
-/*
- *	Memory Management Control Operation (MMCO) code
- */
-enum {
-MMCO_END			= 0,
-MMCO_SHORT2UNUSED	= 1,
-MMCO_LONG2UNUSED	= 2,
-MMCO_SHORT2LONG		= 3,
-MMCO_SET_MAX_LONG	= 4,
-MMCO_RESET			= 5,
-MMCO_LONG			= 6
-};
 
-/////////intra16x16  Luma
-#define I16_PRED_V       0
-#define I16_PRED_H       1
-#define I16_PRED_DC      2
-#define I16_PRED_P       3
-
-#define I16_PRED_DC_L    4
-#define I16_PRED_DC_T    5
-#define I16_PRED_DC_128  6
-//////////intra4x4   Luma
-#define I4_PRED_V        0
-#define I4_PRED_H        1
-#define I4_PRED_DC       2
-#define I4_PRED_DDL      3 //diagonal_down_left
-#define I4_PRED_DDR      4 //diagonal_down_right
-#define I4_PRED_VR       5 //vertical_right
-#define I4_PRED_HD       6 //horizon_down
-#define I4_PRED_VL       7 //vertical_left
-#define I4_PRED_HU       8 //horizon_up
-
-#define I4_PRED_DC_L     9
-#define I4_PRED_DC_T     10
-#define I4_PRED_DC_128   11
-
-#define I4_PRED_DDL_TOP  12 //right-top replacing by padding rightmost pixel of top
-#define I4_PRED_VL_TOP   13 //right-top replacing by padding rightmost pixel of top
-
-//////////intra Chroma
-#define C_PRED_DC        0
-#define C_PRED_H         1
-#define C_PRED_V         2
-#define C_PRED_P         3
-
-#define C_PRED_DC_L      4
-#define C_PRED_DC_T      5
-#define C_PRED_DC_128    6
 
 } // namespace WelsDec
 
--- a/codec/decoder/core/src/au_parser.cpp
+++ b/codec/decoder/core/src/au_parser.cpp
@@ -135,7 +135,7 @@
   }
 
   pNalUnitHeader->uiNalRefIdc		= (uint8_t) (pNal[0] >> 5);			// uiNalRefIdc
-  pNalUnitHeader->eNalUnitType		= (ENalUnitType) (pNal[0] & 0x1f);	// eNalUnitType
+  pNalUnitHeader->eNalUnitType		= (EWelsNalUnitType) (pNal[0] & 0x1f);	// eNalUnitType
 
   ++pNal;
   --iNalSize;
@@ -162,7 +162,7 @@
     return NULL;
   }
   if ((IS_VCL_NAL_AVC_BASE (pNalUnitHeader->eNalUnitType) && ! (pCtx->bSpsExistAheadFlag || pCtx->bPpsExistAheadFlag)) ||
-      (IS_NEW_INTRODUCED_NAL (pNalUnitHeader->eNalUnitType) && ! (pCtx->bSpsExistAheadFlag || pCtx->bSubspsExistAheadFlag
+      (IS_NEW_INTRODUCED_SVC_NAL (pNalUnitHeader->eNalUnitType) && ! (pCtx->bSpsExistAheadFlag || pCtx->bSubspsExistAheadFlag
           || pCtx->bPpsExistAheadFlag))) {
     WelsLog (pLogCtx, WELS_LOG_WARNING,
              "ParseNalHeader(), no exist Parameter Sets ahead of sequence when try to decode slice(type:%d).\n",
@@ -485,7 +485,7 @@
  */
 int32_t ParseNonVclNal (PWelsDecoderContext pCtx, uint8_t* pRbsp, const int32_t kiSrcLen) {
   PBitStringAux	pBs = NULL;
-  ENalUnitType eNalType	= NAL_UNIT_UNSPEC_0; // make initial value as unspecified
+  EWelsNalUnitType eNalType	= NAL_UNIT_UNSPEC_0; // make initial value as unspecified
   int32_t iPicWidth		= 0;
   int32_t iPicHeight		= 0;
   int32_t iBitSize		= 0;
--- a/codec/decoder/core/src/deblocking.cpp
+++ b/codec/decoder/core/src/deblocking.cpp
@@ -647,7 +647,7 @@
   pFilter.iCsStride[0] = pCtx->pDec->iLinesize[0];
   pFilter.iCsStride[1] = pCtx->pDec->iLinesize[1];
 
-  pFilter.eSliceType = (ESliceType) pCurDqLayer->sLayerInfo.sSliceInLayer.eSliceType;
+  pFilter.eSliceType = (EWelsSliceType) pCurDqLayer->sLayerInfo.sSliceInLayer.eSliceType;
 
   pFilter.iSliceAlphaC0Offset = pSliceHeaderExt->sSliceHeader.iSliceAlphaC0Offset;
   pFilter.iSliceBetaOffset     = pSliceHeaderExt->sSliceHeader.iSliceBetaOffset;
--- a/codec/decoder/core/src/decode_slice.cpp
+++ b/codec/decoder/core/src/decode_slice.cpp
@@ -149,7 +149,7 @@
   WelsChromaDcIdct (pCurLayer->pScaledTCoeff[iMbXy] + 320);	// 320 = 16*16 + 16*4
 
   for (i = 0; i < 16; i++) { //luma
-    iIndex = g_kuiMbNonZeroCountIdx[i];
+    iIndex = g_kuiMbCountScan4Idx[i];
     if (pCurLayer->pNzc[iMbXy][iIndex]) {
       iOffset = ((iIndex >> 2) << 2) * iStrideL + ((iIndex % 4) << 2);
       pCtx->pIdctResAddPredFunc (pDstY + iOffset, iStrideL, pCurLayer->pScaledTCoeff[iMbXy] + (i << 4));
@@ -157,13 +157,13 @@
   }
 
   for (i = 0; i < 4; i++) { //chroma
-    iIndex = g_kuiMbNonZeroCountIdx[i + 16]; //Cb
+    iIndex = g_kuiMbCountScan4Idx[i + 16]; //Cb
     if (pCurLayer->pNzc[iMbXy][iIndex] || * (pCurLayer->pScaledTCoeff[iMbXy] + ((i + 16) << 4))) {
       iOffset = (((iIndex - 16) >> 2) << 2) * iStrideC + (((iIndex - 16) % 4) << 2);
       pCtx->pIdctResAddPredFunc (pDstU + iOffset, iStrideC, pCurLayer->pScaledTCoeff[iMbXy] + ((i + 16) << 4));
     }
 
-    iIndex = g_kuiMbNonZeroCountIdx[i + 20]; //Cr
+    iIndex = g_kuiMbCountScan4Idx[i + 20]; //Cr
     if (pCurLayer->pNzc[iMbXy][iIndex] || * (pCurLayer->pScaledTCoeff[iMbXy] + ((i + 20) << 4))) {
       iOffset = (((iIndex - 18) >> 2) << 2) * iStrideC + (((iIndex - 18) % 4) << 2);
       pCtx->pIdctResAddPredFunc (pDstV + iOffset, iStrideC , pCurLayer->pScaledTCoeff[iMbXy] + ((i + 20) << 4));
@@ -553,7 +553,7 @@
 
   if (pCurLayer->pCbp[iMbXy] == 0 && IS_INTRA4x4 (pCurLayer->pMbType[iMbXy])) {
     pCurLayer->pLumaQp[iMbXy] = pSlice->iLastMbQp;
-    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQp[WELS_CLIP3 (pCurLayer->pLumaQp[iMbXy] +
+    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQpTable[WELS_CLIP3 (pCurLayer->pLumaQp[iMbXy] +
                                   pSliceHeader->pPps->iChromaQpIndexOffset, 0, 51)];
 
   }
@@ -582,7 +582,7 @@
       return ERR_INFO_INVALID_QP;
     }
     pSlice->iLastMbQp = pCurLayer->pLumaQp[iMbXy];
-    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQp[WELS_CLIP3 (pSlice->iLastMbQp + pSliceHeader->pPps->iChromaQpIndexOffset, 0,
+    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQpTable[WELS_CLIP3 (pSlice->iLastMbQp + pSliceHeader->pPps->iChromaQpIndexOffset, 0,
                                   51)];
 
 
@@ -622,8 +622,8 @@
             iIndex++;
           }
         } else {
-          ST16 (&pNonZeroCount[g_kuiCacheNzcScanIdx[ (iId8x8 << 2)]], 0);
-          ST16 (&pNonZeroCount[g_kuiCacheNzcScanIdx[ (iId8x8 << 2) + 2]], 0);
+          ST16 (&pNonZeroCount[g_kuiCache48CountScan4Idx[ (iId8x8 << 2)]], 0);
+          ST16 (&pNonZeroCount[g_kuiCache48CountScan4Idx[ (iId8x8 << 2) + 2]], 0);
         }
       }
       ST32A4 (&pNzc[0], LD32 (&pNonZeroCount[1 + 8 * 1]));
@@ -857,7 +857,7 @@
   ST32A4 (&pNzc[20], 0);
   if (pCurLayer->pCbp[iMbXy] == 0 && !IS_INTRA16x16 (pCurLayer->pMbType[iMbXy]) && !IS_I_BL (pCurLayer->pMbType[iMbXy])) {
     pCurLayer->pLumaQp[iMbXy] = pSlice->iLastMbQp;
-    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQp[WELS_CLIP3 (pCurLayer->pLumaQp[iMbXy] +
+    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQpTable[WELS_CLIP3 (pCurLayer->pLumaQp[iMbXy] +
                                   pSliceHeader->pPps->iChromaQpIndexOffset, 0, 51)];
   }
 
@@ -885,7 +885,7 @@
       return ERR_INFO_INVALID_QP;
     }
     pSlice->iLastMbQp = pCurLayer->pLumaQp[iMbXy];
-    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQp[WELS_CLIP3 (pSlice->iLastMbQp + pSliceHeader->pPps->iChromaQpIndexOffset, 0,
+    pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQpTable[WELS_CLIP3 (pSlice->iLastMbQp + pSliceHeader->pPps->iChromaQpIndexOffset, 0,
                                   51)];
 
     BsStartCavlc (pBs);
@@ -924,8 +924,8 @@
             iIndex++;
           }
         } else {
-          ST16 (&pNonZeroCount[g_kuiCacheNzcScanIdx[iId8x8 << 2]], 0);
-          ST16 (&pNonZeroCount[g_kuiCacheNzcScanIdx[ (iId8x8 << 2) + 2]], 0);
+          ST16 (&pNonZeroCount[g_kuiCache48CountScan4Idx[iId8x8 << 2]], 0);
+          ST16 (&pNonZeroCount[g_kuiCache48CountScan4Idx[ (iId8x8 << 2) + 2]], 0);
         }
       }
       ST32A4 (&pNzc[0], LD32 (&pNonZeroCount[1 + 8 * 1]));
@@ -1019,7 +1019,7 @@
     if (!pSlice->sSliceHeaderExt.bDefaultResidualPredFlag ||
         (pNalCur->sNalHeaderExt.uiQualityId == 0 && pNalCur->sNalHeaderExt.uiDependencyId == 0)) {
       pCurLayer->pLumaQp[iMbXy] = pSlice->iLastMbQp;
-      pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQp[WELS_CLIP3 (pCurLayer->pLumaQp[iMbXy] +
+      pCurLayer->pChromaQp[iMbXy] = g_kuiChromaQpTable[WELS_CLIP3 (pCurLayer->pLumaQp[iMbXy] +
                                     pSliceHeader->pPps->iChromaQpIndexOffset, 0, 51)];
     }
 
--- a/codec/decoder/core/src/decoder_core.cpp
+++ b/codec/decoder/core/src/decoder_core.cpp
@@ -161,7 +161,7 @@
  */
 int32_t ParseRefPicListReordering (PBitStringAux pBs, PSliceHeader pSh) {
   int32_t iList = 0;
-  const ESliceType keSt = pSh->eSliceType;
+  const EWelsSliceType keSt = pSh->eSliceType;
   PRefPicListReorderSyn pRefPicListReordering = &pSh->pRefPicListReordering;
   PSps pSps = pSh->pSps;
   uint32_t uiCode;
@@ -446,7 +446,7 @@
   PSubsetSps pSubsetSps				= NULL;
   PSps pSps							= NULL;
   PPps pPps							= NULL;
-  ENalUnitType eNalType				= static_cast<ENalUnitType> (0);
+  EWelsNalUnitType eNalType				= static_cast<EWelsNalUnitType> (0);
   int32_t iPpsId						= 0;
   int32_t iRet						= ERR_NONE;
   uint8_t uiSliceType				= 0;
@@ -508,7 +508,7 @@
     }
   }
 
-  pSliceHead->eSliceType	= static_cast <ESliceType> (uiSliceType);
+  pSliceHead->eSliceType	= static_cast <EWelsSliceType> (uiSliceType);
 
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //pic_parameter_set_id
   iPpsId = uiCode;
--- a/codec/decoder/core/src/decoder_data_tables.cpp
+++ b/codec/decoder/core/src/decoder_data_tables.cpp
@@ -40,41 +40,7 @@
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-//////non_zero_count[16+8] mapping scan index
-const uint8_t g_kuiMbNonZeroCountIdx[24] = {
-  //  0   1 | 4  5      luma 8*8 block           non_zero_count[16+8]
-  0,  1,  4,  5,   //  2   3 | 6  7        0  |  1                  0   1   2   3
-  2,  3,  6,  7,   //---------------      ---------                 4   5   6   7
-  8,  9, 12, 13,   //  8   9 | 12 13       2  |  3                  8   9  10  11
-  10, 11, 14, 15,   // 10  11 | 14 15-----------------------------> 12  13  14  15
-  16, 17, 20, 21,   //----------------    chroma 8*8 block          16  17  18  19
-  18, 19, 22, 23   // 16  17 | 20 21        0    1                 20  21  22  23
-};
-//cache element equal to 26
 
-const uint8_t g_kuiCacheNzcScanIdx[24] = {
-  /* Luma */
-  9, 10, 17, 18,	// 1+1*8, 2+1*8, 1+2*8, 2+2*8,
-  11, 12, 19, 20,	// 3+1*8, 4+1*8, 3+2*8, 4+2*8,
-  25, 26, 33, 34,	// 1+3*8, 2+3*8, 1+4*8, 2+4*8,
-  27, 28, 35, 36,	// 3+3*8, 4+3*8, 3+4*8, 4+4*8,
-  /* Cb */
-  14, 15,			// 6+1*8, 7+1*8,
-  22, 23,			// 6+2*8, 7+2*8,
-
-  /* Cr */
-  38, 39,			// 6+4*8, 7+4*8,
-  46, 47,			// 6+5*8, 7+5*8,
-};
-
-//cache element equal to 30
-const uint8_t g_kuiCache30ScanIdx[16] = { //mv or ref_index cache scan index, 4*4 block as basic unit
-  7,  8, 13, 14,
-  9, 10, 15, 16,
-  19, 20, 25, 26,
-  21, 22, 27, 28
-};
-
 const uint8_t g_kuiScan4[16] = { //for mb cache in sMb (only current element, without neighbor)
   // 4*4block scan    mb cache order
   0,  1,  4,  5,        // 0  1 | 4  5      0  1 | 2  3
@@ -87,51 +53,6 @@
 
 // extern at wels_common_basis.h
 
-const uint8_t g_kuiChromaQp[52] = {
-  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
-  12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
-  28, 29, 29, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 36, 37, 37,
-  37, 38, 38, 38, 39, 39, 39, 39
-};
-
-/*
- *	vcl type map for given NAL unit type and corresponding H264 type
- */
-const VclType g_kuiVclTypeMap[32][2] = {
-  { NON_VCL,	NON_VCL },	// 0: NAL_UNIT_UNSPEC_0
-  { VCL,		VCL,	},	// 1: NAL_UNIT_CODED_SLICE
-  { VCL,		NOT_APP },	// 2: NAL_UNIT_CODED_SLICE_DPA
-  { VCL,		NOT_APP },	// 3: NAL_UNIT_CODED_SLICE_DPB
-  { VCL,		NOT_APP },	// 4: NAL_UNIT_CODED_SLICE_DPC
-  { VCL,		VCL		},	// 5: NAL_UNIT_CODED_SLICE_IDR
-  { NON_VCL,	NON_VCL },	// 6: NAL_UNIT_SEI
-  { NON_VCL,	NON_VCL },	// 7: NAL_UNIT_SPS
-  { NON_VCL,	NON_VCL },	// 8: NAL_UNIT_PPS
-  { NON_VCL,	NON_VCL },	// 9: NAL_UNIT_AU_DELIMITER
-  { NON_VCL,	NON_VCL },	// 10: NAL_UNIT_END_OF_SEQ
-  { NON_VCL,	NON_VCL },	// 11: NAL_UNIT_END_OF_STR
-  { NON_VCL,	NON_VCL	},	// 12: NAL_UNIT_FILLER_DATA
-  { NON_VCL,	NON_VCL },	// 13: NAL_UNIT_SPS_EXT
-  { NON_VCL,	NON_VCL },	// 14: NAL_UNIT_PREFIX, NEED associate succeeded NAL to make a VCL
-  { NON_VCL,	NON_VCL },	// 15: NAL_UNIT_SUBSET_SPS
-  { NON_VCL,	NON_VCL },	// 16: NAL_UNIT_RESV_16
-  { NON_VCL,	NON_VCL },	// 17: NAL_UNIT_RESV_17
-  { NON_VCL,	NON_VCL },	// 18: NAL_UNIT_RESV_18
-  { NON_VCL,	NON_VCL },	// 19: NAL_UNIT_AUX_CODED_SLICE
-  { NON_VCL,	VCL		},	// 20: NAL_UNIT_CODED_SLICE_EXT
-  { NON_VCL,	NON_VCL },	// 21: NAL_UNIT_RESV_21
-  { NON_VCL,	NON_VCL },	// 22: NAL_UNIT_RESV_22
-  { NON_VCL,	NON_VCL },	// 23: NAL_UNIT_RESV_23
-  { NON_VCL,	NON_VCL },	// 24: NAL_UNIT_UNSPEC_24
-  { NON_VCL,	NON_VCL },	// 25: NAL_UNIT_UNSPEC_25
-  { NON_VCL,	NON_VCL },	// 26: NAL_UNIT_UNSPEC_26
-  { NON_VCL,	NON_VCL	},	// 27: NAL_UNIT_UNSPEC_27
-  { NON_VCL,	NON_VCL },	// 28: NAL_UNIT_UNSPEC_28
-  { NON_VCL,	NON_VCL },	// 29: NAL_UNIT_UNSPEC_29
-  { NON_VCL,	NON_VCL },	// 30: NAL_UNIT_UNSPEC_30
-  { NON_VCL,	NON_VCL }	// 31: NAL_UNIT_UNSPEC_31
-};
-
 /*common use table*/
 const uint8_t g_kuiScan8[24] = {	// [16 + 2*4]
   9, 10, 17, 18,	// 1+1*8, 2+1*8, 1+2*8, 2+2*8,
@@ -153,35 +74,6 @@
 
 const uint8_t g_kuiChromaDcScan[4] = {
   0, 16, 32, 48
-};
-
-ALIGNED_DECLARE (const uint16_t, g_kuiDequantCoeff[52][8], 16) = {
-  /* 0*/{   10,   13,   10,   13,   13,   16,   13,   16 },	/* 1*/{   11,   14,   11,   14,   14,   18,   14,   18 },
-  /* 2*/{   13,   16,   13,   16,   16,   20,   16,   20 },	/* 3*/{   14,   18,   14,   18,   18,   23,   18,   23 },
-  /* 4*/{   16,   20,   16,   20,   20,   25,   20,   25 },	/* 5*/{   18,   23,   18,   23,   23,   29,   23,   29 },
-  /* 6*/{   20,   26,   20,   26,   26,   32,   26,   32 },	/* 7*/{   22,   28,   22,   28,   28,   36,   28,   36 },
-  /* 8*/{   26,   32,   26,   32,   32,   40,   32,   40 },	/* 9*/{   28,   36,   28,   36,   36,   46,   36,   46 },
-  /*10*/{   32,   40,   32,   40,   40,   50,   40,   50 },	/*11*/{   36,   46,   36,   46,   46,   58,   46,   58 },
-  /*12*/{   40,   52,   40,   52,   52,   64,   52,   64 },	/*13*/{   44,   56,   44,   56,   56,   72,   56,   72 },
-  /*14*/{   52,   64,   52,   64,   64,   80,   64,   80 },	/*15*/{   56,   72,   56,   72,   72,   92,   72,   92 },
-  /*16*/{   64,   80,   64,   80,   80,  100,   80,  100 },	/*17*/{   72,   92,   72,   92,   92,  116,   92,  116 },
-  /*18*/{   80,  104,   80,  104,  104,  128,  104,  128 },	/*19*/{   88,  112,   88,  112,  112,  144,  112,  144 },
-  /*20*/{  104,  128,  104,  128,  128,  160,  128,  160 },	/*21*/{  112,  144,  112,  144,  144,  184,  144,  184 },
-  /*22*/{  128,  160,  128,  160,  160,  200,  160,  200 },	/*23*/{  144,  184,  144,  184,  184,  232,  184,  232 },
-  /*24*/{  160,  208,  160,  208,  208,  256,  208,  256 },	/*25*/{  176,  224,  176,  224,  224,  288,  224,  288 },
-  /*26*/{  208,  256,  208,  256,  256,  320,  256,  320 },	/*27*/{  224,  288,  224,  288,  288,  368,  288,  368 },
-  /*28*/{  256,  320,  256,  320,  320,  400,  320,  400 },	/*29*/{  288,  368,  288,  368,  368,  464,  368,  464 },
-  /*30*/{  320,  416,  320,  416,  416,  512,  416,  512 },	/*31*/{  352,  448,  352,  448,  448,  576,  448,  576 },
-  /*32*/{  416,  512,  416,  512,  512,  640,  512,  640 },	/*33*/{  448,  576,  448,  576,  576,  736,  576,  736 },
-  /*34*/{  512,  640,  512,  640,  640,  800,  640,  800 },	/*35*/{  576,  736,  576,  736,  736,  928,  736,  928 },
-  /*36*/{  640,  832,  640,  832,  832, 1024,  832, 1024 },	/*37*/{  704,  896,  704,  896,  896, 1152,  896, 1152 },
-  /*38*/{  832, 1024,  832, 1024, 1024, 1280, 1024, 1280 },	/*39*/{  896, 1152,  896, 1152, 1152, 1472, 1152, 1472 },
-  /*40*/{ 1024, 1280, 1024, 1280, 1280, 1600, 1280, 1600 },	/*41*/{ 1152, 1472, 1152, 1472, 1472, 1856, 1472, 1856 },
-  /*42*/{ 1280, 1664, 1280, 1664, 1664, 2048, 1664, 2048 },	/*43*/{ 1408, 1792, 1408, 1792, 1792, 2304, 1792, 2304 },
-  /*44*/{ 1664, 2048, 1664, 2048, 2048, 2560, 2048, 2560 },	/*45*/{ 1792, 2304, 1792, 2304, 2304, 2944, 2304, 2944 },
-  /*46*/{ 2048, 2560, 2048, 2560, 2560, 3200, 2560, 3200 },	/*47*/{ 2304, 2944, 2304, 2944, 2944, 3712, 2944, 3712 },
-  /*48*/{ 2560, 3328, 2560, 3328, 3328, 4096, 3328, 4096 },	/*49*/{ 2816, 3584, 2816, 3584, 3584, 4608, 3584, 4608 },
-  /*50*/{ 3328, 4096, 3328, 4096, 4096, 5120, 4096, 5120 },	/*51*/{ 3584, 4608, 3584, 4608, 4608, 5888, 4608, 5888 },
 };
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
--- a/codec/decoder/core/src/parse_mb_syn_cavlc.cpp
+++ b/codec/decoder/core/src/parse_mb_syn_cavlc.cpp
@@ -687,11 +687,11 @@
   //////////////////////////////////////////////////////////////////////////
 
   if (bChroma) {
-    iCurNonZeroCacheIdx = g_kuiCacheNzcScanIdx[iIndex];
+    iCurNonZeroCacheIdx = g_kuiCache48CountScan4Idx[iIndex];
     nA = pNonZeroCountCache[iCurNonZeroCacheIdx - 1];
     nB = pNonZeroCountCache[iCurNonZeroCacheIdx - 8];
   } else { //luma
-    iCurNonZeroCacheIdx = g_kuiCacheNzcScanIdx[iIndex];
+    iCurNonZeroCacheIdx = g_kuiCache48CountScan4Idx[iIndex];
     nA = pNonZeroCountCache[iCurNonZeroCacheIdx - 1];
     nB = pNonZeroCountCache[iCurNonZeroCacheIdx - 8];
   }
--- a/codec/decoder/core/src/rec_mb.cpp
+++ b/codec/decoder/core/src/rec_mb.cpp
@@ -93,7 +93,7 @@
 
     pGetI4x4LumaPredFunc[uiMode] (pPredI4x4, iLumaStride);
 
-    if (pDqLayer->pNzc[iMBXY][g_kuiMbNonZeroCountIdx[i]]) {
+    if (pDqLayer->pNzc[iMBXY][g_kuiMbCountScan4Idx[i]]) {
       int16_t* pRSI4x4 = &pRS[i << 4];
       pIdctResAddPredFunc (pPredI4x4, iLumaStride, pRSI4x4);
     }
@@ -149,7 +149,7 @@
     int16_t* pRSI4x4 = pRS + (i << 4);
     uint8_t* pPredI4x4 = pPred + pBlockOffset[i];
 
-    if (pDqLayer->pNzc[iMBXY][g_kuiMbNonZeroCountIdx[i]] || pRSI4x4[0]) {
+    if (pDqLayer->pNzc[iMBXY][g_kuiMbCountScan4Idx[i]] || pRSI4x4[0]) {
       pIdctResAddPredFunc (pPredI4x4, iYStride, pRSI4x4);
     }
   }
@@ -454,7 +454,7 @@
         int16_t* pRSI4x4 = &pRS[j << 4];
         uint8_t* pPredI4x4 = pPred + pBlockOffset[j];
 
-        if (pDqLayer->pNzc[iMBXY][g_kuiMbNonZeroCountIdx[16 + (i << 2) + j]] || pRSI4x4[0]) {
+        if (pDqLayer->pNzc[iMBXY][g_kuiMbCountScan4Idx[16 + (i << 2) + j]] || pRSI4x4[0]) {
           pIdctResAddPredFunc (pPredI4x4, iChromaStride, pRSI4x4);
         }
       }
--- a/codec/decoder/plus/src/welsDecoderExt.cpp
+++ b/codec/decoder/plus/src/welsDecoderExt.cpp
@@ -393,7 +393,7 @@
                 pDstInfo); //iErrorCode has been modified in this function
   m_pDecContext->bInstantDecFlag = false; //reset no-delay flag
   if (m_pDecContext->iErrorCode) {
-    ENalUnitType eNalType =
+    EWelsNalUnitType eNalType =
       NAL_UNIT_UNSPEC_0;	//for NBR, IDR frames are expected to decode as followed if error decoding an IDR currently
 
     eNalType	= m_pDecContext->sCurNalHead.eNalUnitType;
--- a/codec/encoder/core/inc/mb_cache.h
+++ b/codec/encoder/core/inc/mb_cache.h
@@ -58,10 +58,7 @@
 ////////////////////////mapping scan index////////////////////////
 
 extern const uint8_t g_kuiSmb4AddrIn256[16];
-extern const uint8_t g_kuiMbCountScan4Idx[24];
-extern const uint8_t g_kuiCache30ScanIdx[16];
 extern const uint8_t g_kuiCache12_8x8RefIdx[4];
-extern const uint8_t g_kuiCache48CountScan4Idx[24];
 
 typedef	struct TagDCTCoeff {
 //ALIGNED_DECLARE( int16_t, residual_ac[16], 16 ); //I_16x16
--- a/codec/encoder/core/inc/wels_common_basis.h
+++ b/codec/encoder/core/inc/wels_common_basis.h
@@ -39,119 +39,13 @@
 
 #include "wels_const.h"
 
+#include "wels_common_defs.h"
 
+using namespace WelsCommon;
+
 namespace WelsSVCEnc {
-/*common use table*/
 
-extern const  ALIGNED_DECLARE (uint16_t, g_kuiDequantCoeff[52][8], 16);
-extern const uint8_t g_kuiChromaQpTable[52];
 
-/*
- *	NAL Unit Type (5 Bits)
- */
-enum EWelsNalUnitType {
-NAL_UNIT_UNSPEC_0			= 0,
-NAL_UNIT_CODED_SLICE		= 1,
-NAL_UNIT_CODED_SLICE_DPA	= 2,
-NAL_UNIT_CODED_SLICE_DPB	= 3,
-NAL_UNIT_CODED_SLICE_DPC	= 4,
-NAL_UNIT_CODED_SLICE_IDR	= 5,
-NAL_UNIT_SEI				= 6,
-NAL_UNIT_SPS				= 7,
-NAL_UNIT_PPS				= 8,
-NAL_UNIT_AU_DELIMITER		= 9,
-NAL_UNIT_END_OF_SEQ			= 10,
-NAL_UNIT_END_OF_STR			= 11,
-NAL_UNIT_FILLER_DATA		= 12,
-NAL_UNIT_SPS_EXT			= 13,
-NAL_UNIT_PREFIX				= 14,
-NAL_UNIT_SUBSET_SPS			= 15,
-NAL_UNIT_RESV_16			= 16,
-NAL_UNIT_RESV_17			= 17,
-NAL_UNIT_RESV_18			= 18,
-NAL_UNIT_AUX_CODED_SLICE	= 19,
-NAL_UNIT_CODED_SLICE_EXT	= 20,
-NAL_UNIT_RESV_21			= 21,
-NAL_UNIT_RESV_22			= 22,
-NAL_UNIT_RESV_23			= 23,
-NAL_UNIT_UNSPEC_24			= 24,
-NAL_UNIT_UNSPEC_25			= 25,
-NAL_UNIT_UNSPEC_26			= 26,
-NAL_UNIT_UNSPEC_27			= 27,
-NAL_UNIT_UNSPEC_28			= 28,
-NAL_UNIT_UNSPEC_29			= 29,
-NAL_UNIT_UNSPEC_30			= 30,
-NAL_UNIT_UNSPEC_31			= 31
-};
-
-/*
- *	NAL Reference IDC (2 Bits)
- */
-
-enum EWelsNalRefIdc {
-NRI_PRI_LOWEST	= 0,
-NRI_PRI_LOW		= 1,
-NRI_PRI_HIGH	= 2,
-NRI_PRI_HIGHEST	= 3
-};
-
-/*
- * VCL TYPE
- */
-
-enum EVclType {
-NON_VCL			= 0,
-VCL				= 1,
-NOT_APP			= 2
-};
-
-/*
- *	vcl type map for given NAL unit type and corresponding H264 type (0: AVC; 1: SVC).
- */
-extern const EVclType g_keTypeMap[32][2];
-
-#define IS_VCL_NAL(t, ext_idx)			(g_keTypeMap[t][ext_idx] == VCL)
-#define IS_PARAM_SETS_NALS(t)			( (t) == NAL_UNIT_SPS || (t) == NAL_UNIT_PPS || (t) == NAL_UNIT_SUBSET_SPS )
-#define IS_SPS_NAL(t)					( (t) == NAL_UNIT_SPS )
-#define IS_SUBSET_SPS_NAL(t)			( (t) == NAL_UNIT_SUBSET_SPS )
-#define IS_PPS_NAL(t)					( (t) == NAL_UNIT_PPS )
-#define IS_SEI_NAL(t)					( (t) == NAL_UNIT_SEI )
-#define IS_PREFIX_NAL(t)				( (t) == NAL_UNIT_PREFIX )
-#define IS_SUBSET_SPS_USED(t)			( (t) == NAL_UNIT_SUBSET_SPS || (t) == NAL_UNIT_CODED_SLICE_EXT )
-#define IS_VCL_NAL_AVC_BASE(t)			( (t) == NAL_UNIT_CODED_SLICE || (t) == NAL_UNIT_CODED_SLICE_IDR )
-#define IS_NEW_INTRODUCED_SVC_NAL(t)	( (t) == NAL_UNIT_PREFIX || (t) == NAL_UNIT_CODED_SLICE_EXT )
-
-
-/* Base SSlice Types
- * Invalid in case of eSliceType exceeds 9,
- * Need trim when eSliceType > 4 as fixed SliceType(eSliceType-4),
- * meaning mapped version after eSliceType minus 4.
- */
-
-enum EWelsSliceType {
-P_SLICE	= 0,
-B_SLICE	= 1,
-I_SLICE	= 2,
-SP_SLICE = 3,
-SI_SLICE = 4,
-UNKNOWN_SLICE = 5
-};
-
-/* SSlice Types in scalable extension */		;
-enum ESliceTypeExt {
-EP_SLICE = 0,	// EP_SLICE: 0, 5
-EB_SLICE = 1,	// EB_SLICE: 1, 6
-EI_SLICE = 2	// EI_SLICE: 2, 7
-};
-
-/* List Index */
-enum EListIndex {
-LIST_0	= 0,
-LIST_1	= 1,
-LIST_A	= 2
-};
-
-
 struct SMVUnitXY {			// each 4 Bytes
 int16_t		iMvX;
 int16_t		iMvY;
@@ -192,21 +86,6 @@
 
 
 
-/* Motion Vector components */
-enum EMvComp {
-MV_X	= 0,
-MV_Y	= 1,
-MV_A	= 2
-};
-
-/* Chroma Components */
-
-enum EChromaComp {
-CHROMA_CB	= 0,
-CHROMA_CR	= 1,
-CHROMA_A	= 2
-};
-
 /* Position Offset structure */
 typedef struct TagCropOffset {
 int16_t	iCropLeft;
@@ -311,60 +190,5 @@
 };
 
 
-/*
- *	Memory Management Control Operation (MMCO) code
- */
-enum EMmcoCode {
-MMCO_END			= 0,
-MMCO_SHORT2UNUSED	= 1,
-MMCO_LONG2UNUSED	= 2,
-MMCO_SHORT2LONG		= 3,
-MMCO_SET_MAX_LONG	= 4,
-MMCO_RESET			= 5,
-MMCO_LONG			= 6
-};
-
-/////////intra16x16  Luma
-#define I16_PRED_INVALID   -1
-#define I16_PRED_V       0
-#define I16_PRED_H       1
-#define I16_PRED_DC      2
-#define I16_PRED_P       3
-
-#define I16_PRED_DC_L    4
-#define I16_PRED_DC_T    5
-#define I16_PRED_DC_128  6
-#define I16_PRED_DC_A  7
-//////////intra4x4   Luma
-#define I4_PRED_INVALID    0
-#define I4_PRED_V        0
-#define I4_PRED_H        1
-#define I4_PRED_DC       2
-#define I4_PRED_DDL      3 //diagonal_down_left
-#define I4_PRED_DDR      4 //diagonal_down_right
-#define I4_PRED_VR       5 //vertical_right
-#define I4_PRED_HD       6 //horizon_down
-#define I4_PRED_VL       7 //vertical_left
-#define I4_PRED_HU       8 //horizon_up
-
-#define I4_PRED_DC_L     9
-#define I4_PRED_DC_T     10
-#define I4_PRED_DC_128   11
-
-#define I4_PRED_DDL_TOP  12 //right-top replacing by padding rightmost pixel of top
-#define I4_PRED_VL_TOP   13 //right-top replacing by padding rightmost pixel of top
-#define I4_PRED_A   14
-
-//////////intra Chroma
-#define C_PRED_INVALID   -1
-#define C_PRED_DC        0
-#define C_PRED_H         1
-#define C_PRED_V         2
-#define C_PRED_P         3
-
-#define C_PRED_DC_L      4
-#define C_PRED_DC_T      5
-#define C_PRED_DC_128    6
-#define C_PRED_A    7
 }
 #endif//WELS_COMMON_BASIS_H__
--- a/codec/encoder/core/src/encoder_data_tables.cpp
+++ b/codec/encoder/core/src/encoder_data_tables.cpp
@@ -45,38 +45,7 @@
   16 * 8 + 8,  16 * 8 + 12,  16 * 12 + 8, 16 * 12 + 12
 };
 
-//////pNonZeroCount[16+8] mapping scan index
-const uint8_t g_kuiMbCountScan4Idx[24] = {
-  //  0   1 | 4  5      luma 8*8 block           pNonZeroCount[16+8]
-  0,  1,  4,  5,   //  2   3 | 6  7        0  |  1                  0   1   2   3
-  2,  3,  6,  7,   //---------------      ---------                 4   5   6   7
-  8,  9, 12, 13,   //  8   9 | 12 13       2  |  3                  8   9  10  11
-  10, 11, 14, 15,   // 10  11 | 14 15-----------------------------> 12  13  14  15
-  16, 17, 20, 21,   //----------------    chroma 8*8 block          16  17  18  19
-  18, 19, 22, 23   // 16  17 | 20 21        0    1                 20  21  22  23
-};
 
-const uint8_t g_kuiCache48CountScan4Idx[24] = {
-  // [16 + 2*4]
-  9, 10, 17, 18,
-  11, 12, 19, 20,
-  25, 26, 33, 34,
-  27, 28, 35, 36,
-  14, 15,
-  22, 23,
-  38, 39,
-  46, 47
-};
-
-
-//cache element equal to 30
-const uint8_t g_kuiCache30ScanIdx[16] = { //mv or uiRefIndex cache scan index, 4*4 block as basic unit
-  7,  8, 13, 14,
-  9, 10, 15, 16,
-  19, 20, 25, 26,
-  21, 22, 27, 28
-};
-
 const uint8_t g_kuiCache12_8x8RefIdx[4] = { //mv or uiRefIndex cache scan index, 4*4 block as basic unit
   5, 6,
   9, 10
@@ -83,83 +52,6 @@
 };
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-// extern at wels_common_basis.h
-const uint8_t g_kuiChromaQpTable[52] = {
-  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
-  12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
-  28, 29, 29, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 36, 37, 37,
-  37, 38, 38, 38, 39, 39, 39, 39
-};
-
-/*
- *	vcl type map for given NAL unit type and corresponding H264 type (0: AVC; 1: SVC).
- */
-const EVclType g_keTypeMap[32][2] = {
-  { NON_VCL,	NON_VCL },	// 0: NAL_UNIT_UNSPEC_0
-  { VCL,		VCL,	},	// 1: NAL_UNIT_CODED_SLICE
-  { VCL,		NOT_APP },	// 2: NAL_UNIT_CODED_SLICE_DPA
-  { VCL,		NOT_APP },	// 3: NAL_UNIT_CODED_SLICE_DPB
-  { VCL,		NOT_APP },	// 4: NAL_UNIT_CODED_SLICE_DPC
-  { VCL,		VCL		},	// 5: NAL_UNIT_CODED_SLICE_IDR
-  { NON_VCL,	NON_VCL },	// 6: NAL_UNIT_SEI
-  { NON_VCL,	NON_VCL },	// 7: NAL_UNIT_SPS
-  { NON_VCL,	NON_VCL },	// 8: NAL_UNIT_PPS
-  { NON_VCL,	NON_VCL },	// 9: NAL_UNIT_AU_DELIMITER
-  { NON_VCL,	NON_VCL },	// 10: NAL_UNIT_END_OF_SEQ
-  { NON_VCL,	NON_VCL },	// 11: NAL_UNIT_END_OF_STR
-  { NON_VCL,	NON_VCL	},	// 12: NAL_UNIT_FILLER_DATA
-  { NON_VCL,	NON_VCL },	// 13: NAL_UNIT_SPS_EXT
-  { NON_VCL,	NON_VCL },	// 14: NAL_UNIT_PREFIX, NEED associate succeeded NAL to make a VCL
-  { NON_VCL,	NON_VCL },	// 15: NAL_UNIT_SUBSET_SPS
-  { NON_VCL,	NON_VCL },	// 16: NAL_UNIT_RESV_16
-  { NON_VCL,	NON_VCL },	// 17: NAL_UNIT_RESV_17
-  { NON_VCL,	NON_VCL },	// 18: NAL_UNIT_RESV_18
-  { NON_VCL,	NON_VCL },	// 19: NAL_UNIT_AUX_CODED_SLICE
-  { NON_VCL,	VCL		},	// 20: NAL_UNIT_CODED_SLICE_EXT
-  { NON_VCL,	NON_VCL },	// 21: NAL_UNIT_RESV_21
-  { NON_VCL,	NON_VCL },	// 22: NAL_UNIT_RESV_22
-  { NON_VCL,	NON_VCL },	// 23: NAL_UNIT_RESV_23
-  { NON_VCL,	NON_VCL },	// 24: NAL_UNIT_UNSPEC_24
-  { NON_VCL,	NON_VCL },	// 25: NAL_UNIT_UNSPEC_25
-  { NON_VCL,	NON_VCL },	// 26: NAL_UNIT_UNSPEC_26
-  { NON_VCL,	NON_VCL	},	// 27: NAL_UNIT_UNSPEC_27
-  { NON_VCL,	NON_VCL },	// 28: NAL_UNIT_UNSPEC_28
-  { NON_VCL,	NON_VCL },	// 29: NAL_UNIT_UNSPEC_29
-  { NON_VCL,	NON_VCL },	// 30: NAL_UNIT_UNSPEC_30
-  { NON_VCL,	NON_VCL }	// 31: NAL_UNIT_UNSPEC_31
-};
-
-ALIGNED_DECLARE (const uint16_t, g_kuiDequantCoeff[52][8], 16) = {
-  /* 0*/{   10,   13,   10,   13,   13,   16,   13,   16 },	/* 1*/{   11,   14,   11,   14,   14,   18,   14,   18 },
-  /* 2*/{   13,   16,   13,   16,   16,   20,   16,   20 },	/* 3*/{   14,   18,   14,   18,   18,   23,   18,   23 },
-  /* 4*/{   16,   20,   16,   20,   20,   25,   20,   25 },	/* 5*/{   18,   23,   18,   23,   23,   29,   23,   29 },
-  /* 6*/{   20,   26,   20,   26,   26,   32,   26,   32 },	/* 7*/{   22,   28,   22,   28,   28,   36,   28,   36 },
-  /* 8*/{   26,   32,   26,   32,   32,   40,   32,   40 },	/* 9*/{   28,   36,   28,   36,   36,   46,   36,   46 },
-  /*10*/{   32,   40,   32,   40,   40,   50,   40,   50 },	/*11*/{   36,   46,   36,   46,   46,   58,   46,   58 },
-  /*12*/{   40,   52,   40,   52,   52,   64,   52,   64 },	/*13*/{   44,   56,   44,   56,   56,   72,   56,   72 },
-  /*14*/{   52,   64,   52,   64,   64,   80,   64,   80 },	/*15*/{   56,   72,   56,   72,   72,   92,   72,   92 },
-  /*16*/{   64,   80,   64,   80,   80,  100,   80,  100 },	/*17*/{   72,   92,   72,   92,   92,  116,   92,  116 },
-  /*18*/{   80,  104,   80,  104,  104,  128,  104,  128 },	/*19*/{   88,  112,   88,  112,  112,  144,  112,  144 },
-  /*20*/{  104,  128,  104,  128,  128,  160,  128,  160 },	/*21*/{  112,  144,  112,  144,  144,  184,  144,  184 },
-  /*22*/{  128,  160,  128,  160,  160,  200,  160,  200 },	/*23*/{  144,  184,  144,  184,  184,  232,  184,  232 },
-  /*24*/{  160,  208,  160,  208,  208,  256,  208,  256 },	/*25*/{  176,  224,  176,  224,  224,  288,  224,  288 },
-  /*26*/{  208,  256,  208,  256,  256,  320,  256,  320 },	/*27*/{  224,  288,  224,  288,  288,  368,  288,  368 },
-  /*28*/{  256,  320,  256,  320,  320,  400,  320,  400 },	/*29*/{  288,  368,  288,  368,  368,  464,  368,  464 },
-  /*30*/{  320,  416,  320,  416,  416,  512,  416,  512 },	/*31*/{  352,  448,  352,  448,  448,  576,  448,  576 },
-  /*32*/{  416,  512,  416,  512,  512,  640,  512,  640 },	/*33*/{  448,  576,  448,  576,  576,  736,  576,  736 },
-  /*34*/{  512,  640,  512,  640,  640,  800,  640,  800 },	/*35*/{  576,  736,  576,  736,  736,  928,  736,  928 },
-  /*36*/{  640,  832,  640,  832,  832, 1024,  832, 1024 },	/*37*/{  704,  896,  704,  896,  896, 1152,  896, 1152 },
-  /*38*/{  832, 1024,  832, 1024, 1024, 1280, 1024, 1280 },	/*39*/{  896, 1152,  896, 1152, 1152, 1472, 1152, 1472 },
-  /*40*/{ 1024, 1280, 1024, 1280, 1280, 1600, 1280, 1600 },	/*41*/{ 1152, 1472, 1152, 1472, 1472, 1856, 1472, 1856 },
-  /*42*/{ 1280, 1664, 1280, 1664, 1664, 2048, 1664, 2048 },	/*43*/{ 1408, 1792, 1408, 1792, 1792, 2304, 1792, 2304 },
-  /*44*/{ 1664, 2048, 1664, 2048, 2048, 2560, 2048, 2560 },	/*45*/{ 1792, 2304, 1792, 2304, 2304, 2944, 2304, 2944 },
-  /*46*/{ 2048, 2560, 2048, 2560, 2560, 3200, 2560, 3200 },	/*47*/{ 2304, 2944, 2304, 2944, 2944, 3712, 2944, 3712 },
-  /*48*/{ 2560, 3328, 2560, 3328, 3328, 4096, 3328, 4096 },	/*49*/{ 2816, 3584, 2816, 3584, 3584, 4608, 3584, 4608 },
-  /*50*/{ 3328, 4096, 3328, 4096, 4096, 5120, 4096, 5120 },	/*51*/{ 3584, 4608, 3584, 4608, 4608, 5888, 4608, 5888 },
-};
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////