vf_yadif: fix missing error handling for avfilter_poll_frame()
authorRobert Nagy <ronag89@gmail.com>
Sun, 15 Apr 2012 13:46:37 +0000 (15:46 +0200)
committerDiego Biurrun <diego@biurrun.de>
Mon, 7 May 2012 08:26:57 +0000 (10:26 +0200)
libavfilter/vf_yadif.c

index 12b3783..790dda5 100644 (file)
@@ -316,11 +316,15 @@ static int poll_frame(AVFilterLink *link)
         return 1;
 
     val = avfilter_poll_frame(link->src->inputs[0]);
+    if (val <= 0)
+        return val;
 
     if (val==1 && !yadif->next) { //FIXME change API to not requre this red tape
         if ((ret = avfilter_request_frame(link->src->inputs[0])) < 0)
             return ret;
         val = avfilter_poll_frame(link->src->inputs[0]);
+        if (val <= 0)
+            return val;
     }
     assert(yadif->next || !val);