--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/h263decoder/inc/Common.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,185 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - Initial contribution
+*
+* Contributors:
+* Ixonos Plc
+*
+* Description:  
+* Header file for definitions and common structures for 
+* compressed domain transcoding.
+*
+*/
+
+
+#ifndef INCLUDE_COMMON
+#define INCLUDE_COMMON
+
+/*
+ * Includes
+ */
+# include "epoclib.h"
+
+/*
+ * Defines
+ */
+
+/* General */
+#define E_SUCCESS            0
+#define E_FAILURE         (-1)
+#define NULL                 0
+
+/* Data */
+#define MB_SIZE 16
+#define BLOCK_SIZE 8
+#define LOG_BLOCK_WIDTH 3
+#define BLOCK_COEFF_SIZE 64
+ 
+/* Bit stream formating */
+#define MOTION_MARKER 0x1F001
+#define DC_MARKER     0x6B001
+#define DC_MARKER_LENGTH 19
+#define MOTION_MARKER_LENGTH 17 
+
+/* Codes */
+#define VISUAL_OBJECT_SEQUENCE_START_CODE 0x1B0
+#define VISUAL_OBJECT_SEQUENCE_END_CODE   0x1B1
+#define VIDEO_OBJECT_START_CODE           0x0100
+#define VIDEO_OBJECT_LAYER_START_CODE     0x120
+#define USER_DATA_START_CODE              0x1B2
+#define GROUP_OF_VOP_START_CODE           0x1B3
+#define VISUAL_OBJECT_START_CODE          0x1B5
+#define VOP_START_CODE                    0x1B6
+#define PROFILE_LEVEL                     0x3
+#define VISUAL_OBJECT                     0x1
+#define SIMPLE_OBJECT                     0x1
+#define ASPECT_RATIO_INFO                 0x1
+#define CHROMA_FORMAT                     0x1
+#define RECTANGULAR                       0x0
+#define MARKER_BIT                          1
+#define SHORT_VIDEO_START_MARKER          0x20
+#define SHORT_VIDEO_END_MARKER            0x3F
+#define GOB_RESYNC_MARKER                 0x01
+
+/* Quantization */
+#define	MAX_SAT_VAL_SVH		127
+#define	MIN_SAT_VAL_SVH		-127
+#define	FIXED_PT_BITS		16
+
+/* Variable length encoding */
+#define NOT_VALID 65535
+#define ESCAPE_CODE_VLC  0x03
+#define ESCAPE_CODE_LENGTH_VLC 7
+
+/* Constant multipliers */
+#define TAN_PI_BY_8     27145
+#define TAN_PI_BY_16    13036
+#define TAN_3PI_BY_16   43789
+#define COS_PI_BY_4     46340 
+#define COS_PI_BY_8     60546 
+#define COS_PI_BY_16    64276 
+#define COS_3PI_BY_16   54490
+
+/* Shift amount and corresponding rounding constants for DCT */
+#define DCT_PRECISION            16
+#define DCT_ROUND                0      /*32768*/   /* 2^(DCT_PRECISION - 1) */ 
+#define DCT_KEPT_PRECISION       1
+#define DCT_PRECISION_PLUS_KEPT  19      /* DCT_PRECISION + 2 + DCT_KEPT_PRECISION */
+#define DCT_ROUND_PLUS_KEPT       0 /*262144*/  /* 2^(DCT_PRECISION_PLUS_KEPT - 1) */ 
+
+
+/* Macros */
+#define ABS(x)   ((x) >= 0   ? (x) :-(x))
+
+/* 
+ * Enumerations 
+ */
+enum {
+	INTRA,
+	INTER
+};
+
+enum {
+	ONEMV, 
+	FOURMV
+};
+
+enum {
+	I_VOP,
+	P_VOP
+};
+
+enum {
+	H263,
+	MPEG4
+};
+
+enum {
+	OFF, 
+	ON
+};
+
+enum {
+	CODE_FOUND, 
+	CODE_NOT_FOUND
+};
+
+
+/*
+ * Structs and typedefs
+ */
+typedef unsigned char        tBool;
+/* Typedef for 8 bit pixel */
+typedef  u_int8   tPixel;
+
+/* Macroblock position in yuv frame data */
+typedef struct{
+	tPixel *yFrame;
+	u_int32 yFrameWidth;
+	tPixel *uFrame;
+	u_int32 uFrameWidth;
+	tPixel *vFrame;
+	u_int32 vFrameWidth;
+} tMBPosInYUVFrame;
+
+/* Motion vector information */
+typedef struct{
+    int16   mvx;
+    int16   mvy;
+    u_int32  SAD;
+} tMotionVector;
+
+/* Macroblock information */
+typedef struct
+{
+    int16   MV[4][2];
+    u_int32  SAD;
+    int16   QuantScale;
+    int16   CodedBlockPattern;
+	int16   dQuant;
+    int16   SkippedMB;
+} tMBInfo;
+
+/* Macroblock position */
+typedef struct{
+    u_int32  x;
+    u_int32  y;
+    int32   LeftBound;
+    int32   RightBound;
+    int32   TopBound;
+    int32   BottomBound;
+} tMBPosition;
+
+/* Macroblock data (16x16 Y, 8x8 UV) */
+typedef struct{
+    int16   Data[384];
+} tMacroblockData;
+
+#endif  /* INCLUDE_COMMON */