--- mbcoding.c	2007/04/28 16:30:20	1.54
+++ mbcoding.c	2008/11/26 01:04:34	1.57
@@ -19,7 +19,7 @@
  *  along with this program ; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
- * $Id: mbcoding.c,v 1.54 2007/04/28 16:30:20 syskin Exp $
+ * $Id: mbcoding.c,v 1.57 2008/11/26 01:04:34 Isibaar Exp $
  *
  ****************************************************************************/
 
@@ -1075,7 +1075,7 @@
 	return (level << 20) >> 20;
 
   error:
-	*run = VLC_ERROR;
+	*run = 64;
 	return 0;
 }
 
@@ -1087,22 +1087,15 @@
 {
 
 	const uint16_t *scan = scan_tables[direction];
-	int level, run, last;
+	int level, run, last = 0;
 
 	do {
 		level = get_coeff(bs, &run, &last, 1, 0);
-		if (run == -1) {
-			DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run");
-			break;
-		}
 		coeff += run;
-		
-#ifdef _DEBUG
-		if(coeff>=64) {
-		  DPRINTF(XVID_DEBUG_ERROR,"error: overflow in coefficient index\n");
-		  return;
+		if (coeff & ~63) {
+			DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run or index");
+			break;
 		}
-#endif
 
 		block[scan[coeff]] = level;
 
@@ -1134,23 +1127,16 @@
 	int p;
 	int level;
 	int run;
-	int last;
+	int last = 0;
 
 	p = 0;
 	do {
 		level = get_coeff(bs, &run, &last, 0, 0);
-		if (run == -1) {
-			DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run");
-			break;
-		}
 		p += run;
-
-#ifdef _DEBUG
-		if(p>=64)	{
-		  DPRINTF(XVID_DEBUG_ERROR,"error: overflow in coefficient index\n");
-		  return;
+		if (p & ~63) {
+			DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run or index");
+			break;
 		}
-#endif
 
 		if (level < 0) {
 			level = level*quant_m_2 - quant_add;
@@ -1176,23 +1162,16 @@
 	int p;
 	int level;
 	int run;
-	int last;
+	int last = 0;
 
 	p = 0;
 	do {
 		level = get_coeff(bs, &run, &last, 0, 0);
-		if (run == -1) {
-			DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run");
-			break;
-		}
 		p += run;
-
-#ifdef _DEBUG
-		if(p>=64)	{
-		  DPRINTF(XVID_DEBUG_ERROR,"error: overflow in coefficient index\n");
-		  return;
+		if (p & ~63) {
+			DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run or index");
+			break;
 		}
-#endif
 
 		if (level < 0) {
 			level = ((2 * -level + 1) * matrix[scan[p]] * quant) >> 4;