Fixes: signed integer overflow: 0 - -9223372036854775808 cannot be represented
in type 'long'
Fixes: Ticket8149
Found-by: Suhwan
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/avidec.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index ae0c227bb9..412e4a8479 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1532,11 +1532,12 @@ resync:
if (!avi->non_interleaved && st->nb_index_entries>1 &&
avi->index_loaded>1) {
int64_t dts= av_rescale_q(pkt->dts, st->time_base, AV_TIME_BASE_Q);
- if (avi->dts_max - dts > 2*AV_TIME_BASE) {
+ if (avi->dts_max < dts) {
+ avi->dts_max = dts;
+ } else if (avi->dts_max - (uint64_t)dts > 2*AV_TIME_BASE) {
avi->non_interleaved= 1;
av_log(s, AV_LOG_INFO, "Switching to NI mode, due to poor
interleaving\n");
- }else if (avi->dts_max < dts)
- avi->dts_max = dts;
+ }
}
return 0;
--
2.17.1
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