A negative frame rate triggers an av_assert2 in av_rescale_rnd.
Signed-off-by: Andreas Cadhalpun <[email protected]>
---
libavformat/nutdec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 4f5037f..191b285 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -557,7 +557,8 @@ 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)
+ if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den ||
+ st->r_frame_rate.num < 0 || st->r_frame_rate.num < 0)
st->r_frame_rate.num = st->r_frame_rate.den = 0;
continue;
}
--
2.1.4
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