1 files changed, 5 insertions, 3 deletions
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 3d60fc1d90..93d578415c 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -623,9 +623,10 @@ retry:
 
     //the second part of the wmv2 header contains the MB skip bits which are stored in current_picture->mb_type
     //which is not available before MPV_frame_start()
-    if (s->msmpeg4_version==5){
-        if(!ENABLE_WMV2_DECODER || ff_wmv2_decode_secondary_picture_header(s) < 0)
-            return -1;
+    if (ENABLE_WMV2_DECODER && s->msmpeg4_version==5){
+        ret = ff_wmv2_decode_secondary_picture_header(s);
+        if(ret<0) return ret;
+        if(ret==1) goto intrax8_decoded;
     }
 
     /* decode each macroblock */
@@ -682,6 +683,7 @@ retry:
         }
     }
 
+intrax8_decoded:
     ff_er_frame_end(s);
 
     MPV_frame_end(s);