- Bug fix on RTYPE (rounding type) not being honoured by H.263+ decoder.

Originally committed as revision 312 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h263.c

@@ -1447,7 +1447,10 @@ int h263_decode_picture_header(MpegEncContext *s)
         if (s->pict_type != I_TYPE &&
             s->pict_type != P_TYPE)
             return -1;
-        skip_bits(&s->gb, 7);
+        skip_bits(&s->gb, 2);
+        s->no_rounding = get_bits1(&s->gb);
+        //fprintf(stderr, "\nRTYPE: %d", s->no_rounding);
+        skip_bits(&s->gb, 4);
         
         /* Get the picture dimensions */
         if (ufep) {

libavcodec/i386/mpegvideo_mmx.c

@@ -95,17 +95,17 @@ static void dct_unquantize_h263_mmx(MpegEncContext *s,
             else
                 block[0] = block[0] * s->c_dc_scale;
         }
-	    for(i=1; i<8; i++) {
+        for(i=1; i<8; i++) {
-		    level = block[i];
+    	    level = block[i];
-		    if (level) {
+	        if (level) {
-			    if (level < 0) {
+		        if (level < 0) {
-				    level = level * qmul - qadd;
+			        level = level * qmul - qadd;
-			    } else {
+		        } else {
-				    level = level * qmul + qadd;
+			        level = level * qmul + qadd;
-			    }
+		        }
-			    block[i] = level;
+		        block[i] = level;
-		    }
+            }
-	    }
+        }
         nCoeffs=64;
     } else {
         i = 0;