--- mbcoding.c	2003/02/21 08:32:34	1.44
+++ mbcoding.c	2003/03/16 12:04:14	1.44.2.2
@@ -627,6 +627,13 @@
 
 #endif
 
+
+static int iDQtab[5] = {
+	1, 0, -1 /* no change */, 2, 3
+};
+#define DQ_VALUE2INDEX(value)  iDQtab[(value)+2]
+
+
 static __inline void
 CodeBlockIntra(const FRAMEINFO * const frame,
 			   const MACROBLOCK * pMB,
@@ -661,10 +668,10 @@
 
 	// write dquant
 	if (pMB->mode == MODE_INTRA_Q)
-		BitstreamPutBits(bs, pMB->dquant, 2);
+		BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2);
 
 	// write interlacing
-	if (frame->global_flags & XVID_INTERLACING) {
+	if (frame->vol_flags & XVID_INTERLACING) {
 		BitstreamPutBit(bs, pMB->field_dct);
 	}
 	// code block coeffs
@@ -678,7 +685,7 @@
 
 		if (pMB->cbp & (1 << (5 - i))) {
 			const uint16_t *scan_table =
-				frame->global_flags & XVID_ALTERNATESCAN ?
+				frame->vop_flags & XVID_ALTERNATESCAN ?
 				scan_tables[2] : scan_tables[pMB->acpred_directions[i]];
 
 			bits = BitstreamPos(bs);
@@ -723,10 +730,10 @@
 
 	// write dquant
 	if (pMB->mode == MODE_INTER_Q)
-		BitstreamPutBits(bs, pMB->dquant, 2);
+		BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2);
 
 	// interlacing
-	if (frame->global_flags & XVID_INTERLACING) {
+	if (frame->vol_flags & XVID_INTERLACING) {
 		if (pMB->cbp) {
 			BitstreamPutBit(bs, pMB->field_dct);
 			DPRINTF(DPRINTF_MB,"codep: field_dct: %i", pMB->field_dct);
@@ -758,7 +765,7 @@
 		if (pMB->cbp & (1 << (5 - i)))
 		{
 			const uint16_t *scan_table =
-				frame->global_flags & XVID_ALTERNATESCAN ?
+				frame->vop_flags & XVID_ALTERNATESCAN ?
 				scan_tables[2] : scan_tables[0];
 
 #ifdef BIGLUT