--- decoder.c	2004/04/11 09:41:27	1.54
+++ decoder.c	2004/07/03 08:33:16	1.60
@@ -20,7 +20,7 @@
  *  along with this program ; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
- * $Id: decoder.c,v 1.54 2004/04/11 09:41:27 syskin Exp $
+ * $Id: decoder.c,v 1.60 2004/07/03 08:33:16 syskin Exp $
  *
  ****************************************************************************/
 
@@ -222,6 +222,7 @@
 	dec->time = dec->time_base = dec->last_time_base = 0;
 	dec->low_delay = 0;
 	dec->packed_mode = 0;
+	dec->time_inc_resolution = 1; /* until VOL header says otherwise */
 
 	dec->fixed_dimensions = (dec->width > 0 && dec->height > 0);
 
@@ -338,7 +339,7 @@
 		stop_coding_timer();
 
 		start_timer();
-		add_acdc(pMB, i, &block[i * 64], iDcScaler, predictors);
+		add_acdc(pMB, i, &block[i * 64], iDcScaler, predictors, dec->bs_version);
 		stop_prediction_timer();
 
 		start_timer();
@@ -814,10 +815,13 @@
 		mb_height = (dec->height + 31) / 32;
 	}
 
-	start_timer();
-	image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height,
-					dec->width, dec->height, dec->bs_version);
-	stop_edges_timer();
+	if (!dec->is_edged[0]) {
+		start_timer();
+		image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height,
+						dec->width, dec->height, dec->bs_version);
+		dec->is_edged[0] = 1;
+		stop_edges_timer();	
+	}
 
 	if (gmc_warp) {
 		/* accuracy: 0==1/2, 1=1/4, 2=1/8, 3=1/16 */
@@ -1214,15 +1218,23 @@
 	uint32_t x, y;
 	VECTOR mv;
 	const VECTOR zeromv = {0,0};
-	const int64_t TRB = dec->time_pp - dec->time_bp, TRD = dec->time_pp;
 	int i;
 
-	start_timer();
-	image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height,
-					dec->width, dec->height, dec->bs_version);
-	image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height,
-					dec->width, dec->height, dec->bs_version);
-	stop_edges_timer();
+	if (!dec->is_edged[0]) {
+		start_timer();
+		image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height,
+						dec->width, dec->height, dec->bs_version);
+		dec->is_edged[0] = 1;
+		stop_edges_timer();
+	}
+
+	if (!dec->is_edged[1]) {
+		start_timer();
+		image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height,
+						dec->width, dec->height, dec->bs_version);
+		dec->is_edged[1] = 1;
+		stop_edges_timer();
+	}
 
 	for (y = 0; y < dec->mb_height; y++) {
 		/* Initialize Pred Motion Vector */
@@ -1309,14 +1321,15 @@
 
 			case MODE_DIRECT_NONE_MV:
 				for (i = 0; i < 4; i++) {
-					mb->mvs[i].x = (int32_t) ((TRB * last_mb->mvs[i].x) / TRD + mv.x);
-					mb->b_mvs[i].x = (int32_t) ((mv.x == 0)
-									? ((TRB - TRD) * last_mb->mvs[i].x) / TRD
-									: mb->mvs[i].x - last_mb->mvs[i].x);
-					mb->mvs[i].y = (int32_t) ((TRB * last_mb->mvs[i].y) / TRD + mv.y);
-					mb->b_mvs[i].y = (int32_t) ((mv.y == 0)
-									? ((TRB - TRD) * last_mb->mvs[i].y) / TRD
-									: mb->mvs[i].y - last_mb->mvs[i].y);
+					mb->mvs[i].x = last_mb->mvs[i].x*dec->time_bp/dec->time_pp + mv.x;
+					mb->mvs[i].y = last_mb->mvs[i].y*dec->time_bp/dec->time_pp + mv.y;
+					
+					mb->b_mvs[i].x = (mv.x)
+						?  mb->mvs[i].x - last_mb->mvs[i].x
+						: last_mb->mvs[i].x*(dec->time_bp - dec->time_pp)/dec->time_pp;
+					mb->b_mvs[i].y = (mv.y)
+						? mb->mvs[i].y - last_mb->mvs[i].y
+						: last_mb->mvs[i].y*(dec->time_bp - dec->time_pp)/dec->time_pp;
 				}
 
 				decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0],
@@ -1360,17 +1373,19 @@
 					xvid_dec_frame_t * frame, xvid_dec_stats_t * stats,
 					int coding_type, int quant)
 {
+	const int brightness = XVID_VERSION_MINOR(frame->version) >= 1 ? frame->brightness : 0;
+
 	if (dec->cartoon_mode)
 		frame->general &= ~XVID_FILMEFFECT;
 
-	if ((frame->general & (XVID_DEBLOCKY|XVID_DEBLOCKUV|XVID_FILMEFFECT) || frame->brightness!=0) 
+	if ((frame->general & (XVID_DEBLOCKY|XVID_DEBLOCKUV|XVID_FILMEFFECT) || brightness!=0) 
 		&& mbs != NULL)	/* post process */
 	{
 		/* note: image is stored to tmp */
 		image_copy(&dec->tmp, img, dec->edged_width, dec->height);
 		image_postproc(&dec->postproc, &dec->tmp, dec->edged_width, 
 					   mbs, dec->mb_width, dec->mb_height, dec->mb_width,
-					   frame->general, frame->brightness, dec->frames, (coding_type == B_VOP));
+					   frame->general, brightness, dec->frames, (coding_type == B_VOP));
 		img = &dec->tmp;
 	}
 
@@ -1490,6 +1505,11 @@
 		goto repeat;
 	}
 
+	if(dec->frames == 0 && coding_type != I_VOP) {
+		/* 1st frame is not an i-vop */
+		goto repeat;
+	}
+
 	dec->p_bmv.x = dec->p_bmv.y = dec->p_fmv.y = dec->p_fmv.y = 0;	/* init pred vector to 0 */
 
 	/* packed_mode: special-N_VOP treament */
@@ -1539,7 +1559,9 @@
 		}
 
 		image_swap(&dec->refn[0], &dec->refn[1]);
+		dec->is_edged[1] = dec->is_edged[0];
 		image_swap(&dec->cur, &dec->refn[0]);
+		dec->is_edged[0] = 0;
 		SWAP(MACROBLOCK *, dec->mbs, dec->last_mbs);
 		dec->last_reduced_resolution = reduced_resolution;
 		dec->last_coding_type = coding_type;
@@ -1551,7 +1573,7 @@
 
 		if (dec->low_delay) {
 			DPRINTF(XVID_DEBUG_ERROR, "warning: bvop found in low_delay==1 stream\n");
-			dec->low_delay = 1;
+			dec->low_delay = 0;
 		}
 
 		if (dec->frames < 2) {