From 2e96f5278095d44f090a4d89507e62d27cccf3b9 Mon Sep 17 00:00:00 2001 From: Mark Thompson Date: Sun, 21 Jan 2018 00:52:18 +0000 Subject: [PATCH] v4l2_m2m: Fix integer overflow in timestamp handling --- libavcodec/v4l2_buffers.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/v4l2_buffers.c b/libavcodec/v4l2_buffers.c index 8e4d4d1c9f..aef911f3bb 100644 --- a/libavcodec/v4l2_buffers.c +++ b/libavcodec/v4l2_buffers.c @@ -69,7 +69,8 @@ static inline uint64_t v4l2_get_pts(V4L2Buffer *avbuf) int64_t v4l2_pts; /* convert pts back to encoder timebase */ - v4l2_pts = avbuf->buf.timestamp.tv_sec * USEC_PER_SEC + avbuf->buf.timestamp.tv_usec; + v4l2_pts = (int64_t)avbuf->buf.timestamp.tv_sec * USEC_PER_SEC + + avbuf->buf.timestamp.tv_usec; return av_rescale_q(v4l2_pts, v4l2_timebase, s->avctx->time_base); }