--- mbfunctions.h	2002/08/09 19:58:42	1.9
+++ mbfunctions.h	2002/09/25 16:51:05	1.10.2.1
@@ -106,8 +106,6 @@
 uint8_t MBTransQuantInterBVOP(const MBParam * pParam,
 						  FRAMEINFO * frame,
 						  MACROBLOCK * pMB,
-						  const uint32_t x_pos,
-						  const uint32_t y_pos,	
 						  int16_t data[6 * 64],
 						  int16_t qcoeff[6 * 64]);
 
@@ -171,6 +169,16 @@
 uint32_t MBDecideFieldDCT(int16_t data[6 * 64]);	/* <- decide whether to use field-based DCT
 													   for interlacing */
 
+typedef uint32_t (MBFIELDTEST) (int16_t data[6 * 64]);	/* function pointer for field test */
+typedef MBFIELDTEST *MBFIELDTEST_PTR;
+
+/* global field test pointer for xvid.c */
+extern MBFIELDTEST_PTR MBFieldTest;
+
+/* field test implementations */
+MBFIELDTEST MBFieldTest_c;
+MBFIELDTEST MBFieldTest_mmx;
+
 void MBFrameToField(int16_t data[6 * 64]);	/* de-interlace vertical Y blocks */