--- trunk/xvidcore/src/utils/mbfunctions.h	2002/03/08 02:46:11	3
+++ trunk/xvidcore/src/utils/mbfunctions.h	2002/03/26 11:16:08	69
@@ -2,6 +2,7 @@
  *
  *  Modifications:
  *
+ *  26.03.2002 interlacing support
  *  02.12.2001 motion estimation/compensation split
  *  16.11.2001 const/uint32_t changes to MBMotionEstComp()
  *  26.08.2001 added inter4v_mode parameter to MBMotionEstComp()
@@ -52,6 +53,7 @@
 
 
 void MBTransQuantIntra(const MBParam *pParam,	 
+			   MACROBLOCK * pMB,
 		       const uint32_t x_pos, 		 /* <-- The x position of the MB to be searched */ 
 		       const uint32_t y_pos, 		 /* <-- The y position of the MB to be searched */ 
 		       int16_t data[][64],	 /* <-> the data of the MB to be coded */ 
@@ -63,6 +65,7 @@
 
 uint8_t MBTransQuantInter(const MBParam *pParam, /* <-- the parameter for DCT transformation 
 						 						   and Quantization */ 
+			   MACROBLOCK * pMB,
 			   const uint32_t x_pos, 	 /* <-- The x position of the MB to be searched */ 
 			   const uint32_t y_pos,	 /* <-- The y position of the MB to be searched */
 			   int16_t data[][64], 	 /* <-> the data of the MB to be coded */ 
@@ -72,6 +75,16 @@
 );
 
 
+/** interlacing **/
+
+uint32_t MBDecideFieldDCT(int16_t data[][64]);	/* <- decide whether to use field-based DCT
+													for interlacing */
+
+void MBFrameToField(int16_t data[][64]);	/* de-interlace vertical Y blocks */
+
+void MBFieldToFrame(int16_t data[][64]);	/* re-interlace vertical Y blocks */
+
+
 /** MBCoding.c **/
 
 void MBCoding(const MBParam *pParam,	 	 /* <-- the parameter for coding of the bitstream */