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-rw-r--r--libmpdemux/demux_vqf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libmpdemux/demux_vqf.c b/libmpdemux/demux_vqf.c
index 5b0d9842e2..2d273f2ea6 100644
--- a/libmpdemux/demux_vqf.c
+++ b/libmpdemux/demux_vqf.c
@@ -16,7 +16,8 @@ int demux_probe_vqf(demuxer_t* demuxer)
char buf[KEYWORD_BYTES];
stream_t *s;
s = demuxer->stream;
- stream_read(s,buf,KEYWORD_BYTES);
+ if(stream_read(s,buf,KEYWORD_BYTES)!=KEYWORD_BYTES)
+ return 0;
if(memcmp(buf,"TWIN",KEYWORD_BYTES)==0) return 1; /*version: 97012000*/
return 0;
}