Fixes: Ticket7990
Fixes: CVE-2020-20448
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/ratecontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c
index 6b77ccd006..aa146730f4 100644
--- a/libavcodec/ratecontrol.c
+++ b/libavcodec/ratecontrol.c
@@ -241,7 +241,7 @@ static double get_qscale(MpegEncContext *s,
RateControlEntry *rce,
RateControlContext *rcc = &s->rc_context;
AVCodecContext *a = s->avctx;
const int pict_type = rce->new_pict_type;
- const double mb_num = s->mb_num;
+ const double mb_num = s->mb_num ? s->mb_num : 1;
double q, bits;
int i;
--
2.17.1
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