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-rw-r--r--libavutil/mathematics.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c
index 0485db7222..16c6e4db03 100644
--- a/libavutil/mathematics.c
+++ b/libavutil/mathematics.c
@@ -207,7 +207,7 @@ int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t i
int64_t old = av_rescale_q(ts, ts_tb, inc_tb);
int64_t old_ts = av_rescale_q(old, inc_tb, ts_tb);
- if (old == INT64_MAX)
+ if (old == INT64_MAX || old == AV_NOPTS_VALUE || old_ts == AV_NOPTS_VALUE)
return ts;
return av_rescale_q(old + 1, inc_tb, ts_tb) + (ts - old_ts);