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-rw-r--r--libavformat/nutdec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index ac3ef7d909..f260a3e4fd 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -522,6 +522,8 @@ static int decode_info_header(NUTContext *nut)
if (stream_id_plus1 && !strcmp(name, "r_frame_rate")) {
sscanf(str_value, "%d/%d", &st->r_frame_rate.num, &st->r_frame_rate.den);
+ if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den)
+ st->r_frame_rate.num = st->r_frame_rate.den = 0;
continue;
}