libextractor

commit b58188b44af83495828a8f8791841c2d1eff16f5
parent 150ca6a82afd79aa427154710b37af3013f04dfc
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sun,  5 Aug 2012 23:30:39 +0000

-do not trust 0 picture answer

Diffstat:
M
src/plugins/mpeg_extractor.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/plugins/mpeg_extractor.c b/src/plugins/mpeg_extractor.c
@@ -62,6 +62,7 @@ EXTRACTOR_mpeg_extract_method (struct EXTRACTOR_ExtractContext *ec)
       mpeg2_close (handle);
       return;
     }
+  buf = NULL;
   have_gop = 0;
   while (1)
     {
@@ -104,7 +105,8 @@ EXTRACTOR_mpeg_extract_method (struct EXTRACTOR_ExtractContext *ec)
 	    ADD ("MPEG1", EXTRACTOR_METATYPE_FORMAT_VERSION);	  
 	  break;
 	case STATE_GOP:
-	  if (NULL != info->gop) 
+	  if ( (NULL != info->gop) &&
+	       (0 != info->gop->pictures) )
 	    {
 	      snprintf (gop_format, 
 			sizeof (gop_format),