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-rw-r--r--libavformat/vc1test.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/vc1test.c b/libavformat/vc1test.c
index e55772a171..11a4a6f4a7 100644
--- a/libavformat/vc1test.c
+++ b/libavformat/vc1test.c
@@ -73,6 +73,10 @@ static int vc1t_read_header(AVFormatContext *s,
if(fps == 0xFFFFFFFF)
av_set_pts_info(st, 32, 1, 1000);
else{
+ if (!fps) {
+ av_log(s, AV_LOG_ERROR, "Zero FPS specified, defaulting to 1 FPS\n");
+ fps = 1;
+ }
av_set_pts_info(st, 24, 1, fps);
st->duration = frames;
}