Merged revisions 188582 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r188582 | mmichelson | 2009-04-15 15:04:20 -0500 (Wed, 15 Apr 2009) | 7 lines
  
  Update ast_readvideo_callback to match ast_readaudio_callback.
  
  This fixes potential refcount errors that may occur on ast_filestreams.
  
  AST-208
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@188585 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/file.c

@@ -778,12 +778,17 @@ static enum fsread_res ast_readvideo_callback(struct ast_filestream *s)
 			ast_set_flag(fr, AST_FRFLAG_FROM_FILESTREAM);
 			ao2_ref(s, +1);
 		}
-		if (!fr || ast_write(s->owner, fr)) { /* no stream or error, as above */
+		if (!fr /* stream complete */ || ast_write(s->owner, fr) /* error writing */) {
-			if (fr)
+			if (fr) {
 				ast_log(LOG_WARNING, "Failed to write frame\n");
+				ast_frfree(fr);
+			}
 			s->owner->vstreamid = -1;
 			return FSREAD_FAILURE;
 		}
+		if (fr) {
+			ast_frfree(fr);
+		}
 	}
 
 	if (whennext != s->lasttimeout) {